Durable fresh-keeping fruit packaging bag

Abstract

The utility model discloses a durable fresh-keeping fruit packaging bag. The durable fresh-keeping fruit packaging bag comprises a body and a handle, the body is provided with an accommodating cavity which is provided with an upward opening and is used for accommodating fruits; the body comprises an anti-stretching layer, a buffering air cushion layer, a paper layer and an anti-puncture layer. The body is designed to comprise the stretch-resistant layer, the buffer air cushion layer, the paper layer and the anti-puncture layer, so that the product has good stretch-resistant, buffer and anti-puncture characteristics, can bear larger weight, can buffer fruits to prevent the fruits from being crushed, is not easily punctured by sharp articles such as branches, is more durable, and is longer in service life; meanwhile, the inner membrane is fixedly attached to the inner wall of the containing cavity in a matched mode, the containing cavity is formed between the inner membrane and the tensile layer, and the fruit preservative is arranged in the containing cavity in a matched mode, so that the fruit preservative and the product are combined into a whole and cannot be separated, and the fruit preservation function is achieved; and more convenience is provided for use.

Description

Technical Field

[0001] The utility model relates to the field of packaging bags, in particular to a durable fresh-keeping fruit packaging bag. Background Art

[0002] Plastic packaging bags are made of plastic and used to produce a variety of daily necessities. They are widely used in daily life and industrial production, but this temporary convenience brings long-term harm. Commonly used plastic packaging bags are mostly made of polyethylene film, which is non-toxic and can be used to hold food. Another type of film is made of polyvinyl chloride. PVC itself is also non-toxic, but the additives added to the film depending on its use are often harmful to the human body and have a certain degree of toxicity. Therefore, this type of film and the plastic bags made from it are not suitable for holding food. By the end of 2025, the use of non-degradable plastic packaging bags, plastic tape, disposable plastic woven bags, etc. will be banned in postal and express delivery outlets nationwide. Plastic packaging bags can be categorized by material, including OPP, CPP, PP, PE, PVA, EVA, composite bags, and co-extruded bags.

[0003] Fruit packaging bags are one of the most common types of plastic packaging bags, primarily used for packaging fruit. Current fruit packaging bags primarily consist of a main body and a handle. The main body has an upward-opening receiving cavity for holding the fruit, and the handle is located on the top of the main body. However, existing fruit packaging bags are constructed of a single-layer plastic material, which has relatively weak tensile strength, cushioning, and puncture resistance, making them easily pierced by sharp objects such as branches. These bags are not durable, have a short service life, and fail to provide adequate protection for the fruit. Furthermore, these fruit packaging bags lack a fruit freshness-preserving function, making them inconvenient to use. Therefore, improvements to current fruit packaging bags are necessary. Utility Model Content

[0004] In view of this, the present invention aims to address the deficiencies in the prior art, and its main purpose is to provide a durable fresh-keeping fruit packaging bag, which can effectively solve the problem that the existing fruit packaging bags have relatively weak tensile strength, cushioning and puncture resistance, and do not have the function of preserving fruit.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A durable fresh-keeping fruit packaging bag comprises a body and a handle; the body comprises a receiving cavity with an upward opening for receiving fruit, and the handle is arranged on the top of the body; the body comprises an anti-stretching layer, a buffering air cushion layer, a paper layer and a puncture-proof layer, the buffering air cushion layer is adhered and fixed to the outer surface of the anti-stretching layer, the paper layer is adhered and fixed to the outer surface of the buffering air cushion layer, and the puncture-proof layer is adhered and fixed to the outer surface of the paper layer; an inner film is adhered and fixed to the inner wall of the receiving cavity, a receiving cavity is formed between the inner film and the anti-stretching layer, a fruit preservative is arranged in the receiving cavity, and a plurality of micropores are opened on the inner film, and the plurality of micropores are connected to the receiving cavity.

[0007] As a preferred solution, the inner bottom wall and the inner side wall of the receiving cavity are both provided with inner membrane sheets, each inner membrane sheet and the anti-stretching layer form the aforementioned receiving cavity, and each receiving cavity is provided with the aforementioned fruit preservative to better preserve the fruit in the receiving cavity.

[0008] As a preferred embodiment, the anti-stretching layer, the buffer air cushion layer and the anti-puncture layer are all made of transparent plastic film materials. Windows are formed through the inner and outer sides of the paper layer, and the windows are filled with a transparent thermochromic film. The transparent thermochromic film is attached between the outer side of the buffer air cushion layer and the inner side of the anti-puncture layer, so that the user can see the preservation status of the fruit in the receiving cavity through the anti-stretching layer, the buffer air cushion layer, the transparent thermochromic film and the anti-puncture layer. At the same time, the transparent thermochromic film can change color due to light and heat, preventing the fruit in the receiving cavity from being exposed to light for a long time, thereby better preserving the fruit.

[0009] As a preferred solution, the window is located in the middle of the paper layer and is square in shape. Correspondingly, the transparent thermochromic film is also square and completely fills the window. The shape of the window is not limited.

[0010] As a preferred solution, the buffer air cushion layer is made of a plastic film material with a plurality of air cavities formed therein, which can provide a better buffering effect for the fruit and prevent the fruit from being squeezed and damaged.

[0011] As a preferred solution, the anti-stretching layers are all made of high-density polyethylene, polypropylene, linear low-density polyethylene, nylon or polyester, which have good anti-stretching properties, can bear greater weight and have a longer service life.

[0012] As a preferred solution, the paper layer is a composite paper material with a printed pattern on the outer side, which has a more beautiful appearance.

[0013] As a preferred solution, the puncture-proof layer is made of polyvinylidene chloride, co-extruded polyethylene or ethylene-vinyl alcohol copolymer, which has a good puncture-proof effect and better protects the fruit stored in the receiving cavity.

[0014] As a preferred solution, the opening of the receiving cavity is hot-melt connected to an easy-tear film, and the easy-tear film seals the opening of the receiving cavity, so as to facilitate judgment on whether the packaging bag has been opened.

[0015] As a preferred solution, the handle is made of high-density polyethylene, polypropylene, linear low-density polyethylene, nylon or polyester. The handle is welded and fixed to the top of the body, has a simple structure and is easy to manufacture.

[0016] Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that:

[0017] By designing the main body to include an anti-stretching layer, a buffering air cushion layer, a paper layer and an anti-puncture layer, this product has excellent anti-stretching, buffering and anti-puncture properties, can withstand greater weight, can cushion the fruit to prevent it from being crushed, and is not easily pierced by sharp objects such as branches. The product is more durable, has a longer service life, and can provide good protection for the fruit. At the same time, an inner membrane sheet is adhered and fixed to the inner wall of the receiving cavity, and an accommodating cavity is formed between the inner membrane sheet and the anti-stretching layer. A fruit preservative is arranged in the accommodating cavity, so that the fruit preservative is combined with this product to form an inseparable whole, has the function of fruit preservation, and provides more convenience for use.

[0018] In order to more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view of a preferred embodiment of the present utility model;

[0020] Figure 2 It is a cross-sectional view of the preferred embodiment of the present invention in the open state.

[0021] Description of the accompanying drawings:

[0022] 10. Main body 11. Anti-stretching layer

[0023] 12. Buffering air cushion layer 13. Paper layer

[0024] 14. Anti-puncture layer 15. Inner membrane

[0025] 16. Transparent thermochromic film 17. Easy-tear film

[0026] 101, receiving chamber 102, receiving chamber

[0027] 103, micropore 104, window

[0028] 105, air cavity 20, handle

[0029] 21. Handle hole 30. Fruit preservative

[0030] 40. First sealing strip 41. Dovetail groove

[0031] 50. Second sealing strip 51. Dovetail block. DETAILED DESCRIPTION

[0032] Please refer to Figure 1 and Figure 2 As shown, it shows the specific structure of a preferred embodiment of the present invention, including a body 10 and a handle 20.

[0033] The main body 10 has an upward-opening receiving cavity 101 for receiving fruit. The main body 10 includes an anti-stretching layer 11, a cushioning air cushion layer 12, a paper layer 13 and an anti-puncture layer 14. The cushioning air cushion layer 12 is adhered and fixed to the outer surface of the anti-stretching layer 11, the paper layer 13 is adhered and fixed to the outer surface of the cushioning air cushion layer 12, and the anti-puncture layer 14 is adhered and fixed to the outer surface of the paper layer 13; and an inner membrane sheet 15 is adhered and fixed to the inner wall of the receiving cavity 101, and an accommodating cavity 102 is formed between the inner membrane sheet 15 and the anti-stretching layer 11. A fruit preservative 30 is provided in the accommodating cavity 102, and a plurality of micropores 103 are opened on the inner membrane sheet 15, and the plurality of micropores 103 are connected between the accommodating cavity 101 and the accommodating cavity 102.

[0034] In this embodiment, the stretch-resistant layer 11, the cushioning air layer 12, and the puncture-resistant layer 14 are all made of transparent plastic film. Furthermore, the stretch-resistant layer 11, the cushioning air layer 12, and the puncture-resistant layer 14 are all made of easily degradable plastic materials, making them very environmentally friendly. A window 104 is formed through the inner and outer sides of the paper layer 13. The window 104 is filled with a transparent thermochromic film 16. The transparent thermochromic film 16 is attached between the outer side of the cushioning air layer 12 and the inner side of the puncture-resistant layer 14, allowing the user to see the preservation status of the fruit in the receiving cavity 101 through the stretch-resistant layer 11, the cushioning air layer 12, the transparent thermochromic film 16, and the puncture-resistant layer 14. Furthermore, the transparent thermochromic film 16 changes color due to light exposure, preventing prolonged exposure of the fruit in the receiving cavity 101 and thus better preserving the fruit. Furthermore, the window 104 is located in the middle of the paper layer 13 and is square in shape. Correspondingly, the transparent thermochromic film 16 is also square and completely fills the window 104 . The shape of the window 104 is not limited.

[0035] Furthermore, the anti-stretching layer 11 is made of high-density polyethylene, polypropylene, linear low-density polyethylene, nylon, or polyester, and has excellent anti-stretching properties, can bear greater weight, and has a longer service life. The buffering air cushion layer 12 is a plastic film material, which is formed with multiple air cavities 105, which can better cushion the fruit and prevent the fruit from being easily squeezed and damaged. The paper layer 13 is a composite paper material with a printed pattern on the outer side, which has a more beautiful appearance. The anti-puncture layer 14 is made of polyvinylidene chloride, co-extruded polyethylene, or ethylene-vinyl alcohol copolymer, which has a good anti-puncture effect and better protects the fruit stored in the receiving cavity 101.

[0036] In addition, the inner bottom wall and inner sidewalls of the receiving cavity 101 are both provided with inner membrane sheets 15. Each inner membrane sheet 15 and the anti-stretch layer 11 form the aforementioned receiving cavity 102. Each receiving cavity 102 is provided with the aforementioned fruit preservative 30 to better preserve the fruit in the receiving cavity 101. Furthermore, the inner membrane sheets 15 are fixed to the anti-stretch layer 11 by heat-melting, resulting in a simple structure and easy manufacture, preventing the fruit preservative 30 from easily escaping. The inner membrane sheets 15 are made of a biodegradable plastic material, which is very environmentally friendly.

[0037] In addition, the first sealing strip 40 is bonded and fixed to one side of the opening of the receiving chamber 101, and the second sealing strip 50 is bonded and fixed to the other side of the opening of the receiving chamber 101. The second sealing strip 50 and the first sealing strip 40 are detachably sealed and matched to seal the opening of the receiving chamber 101, so as to facilitate resealing after unsealing. The inner side of the first sealing strip 40 is concavely provided with a dovetail groove 41, and the inner side of the second sealing strip 50 is convexly provided with a dovetail block 51. The dovetail block 51 and the dovetail groove 41 are clamped and sealed. The structure is simple, easy to assemble and disassemble, and the connection is stable. In addition, the opening of the receiving chamber 101 is hot-melt connected to an easy-to-tear film 17, which seals the opening of the receiving chamber 101 and is located above the first sealing strip 40 and the second sealing strip 50, so as to facilitate judging whether the packaging bag has been opened. The easy-to-tear film 17 is made of easily degradable plastic material and is very environmentally friendly.

[0038] The handle 20 is mounted on the top of the body 10. In this embodiment, the handle 20 is made of a biodegradable plastic material, making it environmentally friendly. Specifically, the handle 20 is made of high-density polyethylene, polypropylene, linear low-density polyethylene, nylon, or polyester. The handle 20 is welded to the top of the body 10, resulting in a simple structure and easy manufacture. The handles 20 are symmetrically arranged, each with a handle hole 21 for easy carrying.

[0039] The method of using this embodiment is described in detail as follows:

[0040] When packaging the fruit, the second sealing strip 50 is separated from the first sealing strip 40, and the fruit is placed in the receiving cavity 101. Then, the second sealing strip 50 is sealed and connected to the first sealing strip 40, and the easy-tear film 17 is hot-melt fixed to the opening in the receiving cavity 101 to seal the receiving cavity 101. When in use, the easy-tear film 17 is torn open, and the second sealing strip 50 is separated from the first sealing strip 40. Then, the fruit can be taken out of the receiving cavity 101. After the fruit is taken out, the second sealing strip 50 is sealed and connected to the first sealing strip 40. Under the action of the fruit preservative 30, the fruit in the receiving cavity 101 can be kept fresh for a long time, effectively preventing the fruit from spoiling.

[0041] The design focus of the present utility model is that by designing the main body to include an anti-stretching layer, a buffering air cushion layer, a paper layer and an anti-puncture layer, the product has excellent anti-stretching, buffering and anti-puncture properties, can withstand greater weight, can buffer the fruit to prevent it from being crushed, and is not easily pierced by sharp objects such as branches. The product is more durable, has a longer service life, and can well protect the fruit. At the same time, an inner membrane is fixed to the inner wall of the receiving cavity, and an accommodating cavity is formed between the inner membrane and the anti-stretching layer. A fruit preservative is arranged in the accommodating cavity, so that the fruit preservative is combined with the product to form an inseparable whole, has the function of fruit preservation, and provides more convenience for use.

[0042] The above description is merely a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A durable fresh-keeping fruit packaging bag comprising a body and a handle; the body having an upwardly opening receiving cavity for receiving fruit, the handle being disposed on the top of the body; characterized in that: The main body includes an anti-stretching layer, a buffer air cushion layer, a paper layer and an anti-puncture layer. The buffer air cushion layer is adhered and fixed to the outer surface of the anti-stretching layer, the paper layer is adhered and fixed to the outer surface of the buffer air cushion layer, and the anti-puncture layer is adhered and fixed to the outer surface of the paper layer; and an inner membrane is adhered and fixed to the inner wall of the accommodating cavity, an accommodating cavity is formed between the inner membrane and the anti-stretching layer, a fruit preservative is arranged in the accommodating cavity, and a plurality of micropores are opened on the inner membrane, and the plurality of micropores are connected between the accommodating cavities.

2. The durable fresh-keeping fruit packaging bag according to claim 1, characterized in that: The inner bottom wall and the inner side wall of the receiving cavity are both provided with inner membrane sheets, each inner membrane sheet and the anti-stretching layer form the aforementioned receiving cavity, and the aforementioned fruit preservative is provided in each receiving cavity.

3. The durable fresh-keeping fruit packaging bag according to claim 1, characterized in that: The anti-stretching layer, the cushioning air cushion layer and the anti-puncture layer are all made of transparent plastic film. The inner and outer sides of the paper layer are penetrated to form a window, which is filled with a transparent thermochromic film. The transparent thermochromic film is attached between the outer side of the cushioning air cushion layer and the inner side of the anti-puncture layer.

4. The durable fresh-keeping fruit packaging bag according to claim 3, characterized in that: The window is located in the middle of the paper layer and is square in shape. Correspondingly, the transparent thermochromic film is also square in shape and completely fills the window.

5. The durable fresh-keeping fruit packaging bag according to claim 1, characterized in that: The buffer air cushion layer is made of a plastic film material and has a plurality of air cavities formed therein.

6. The durable fresh-keeping fruit packaging bag according to claim 1, characterized in that: The anti-stretching layers are all made of high-density polyethylene, polypropylene, linear low-density polyethylene, nylon or polyester.

7. The durable fresh-keeping fruit packaging bag according to claim 1, characterized in that: The paper layer is a composite paper material with a printed pattern on the outer side.

8. The durable fresh-keeping fruit packaging bag according to claim 1, characterized in that: The puncture-proof layer is polyvinylidene chloride, co-extruded polyethylene or ethylene-vinyl alcohol copolymer.

9. The durable fresh-keeping fruit packaging bag according to claim 1, characterized in that: The opening of the receiving cavity is connected with an easy-tear film by hot-melt connection, and the easy-tear film seals the opening of the receiving cavity.

10. The durable fresh-keeping fruit packaging bag according to claim 1, characterized in that: The handle is made of high-density polyethylene, polypropylene, linear low-density polyethylene, nylon or polyester, and is welded and fixed to the top of the body.

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