CN221139289U - Degradable plastic packaging bag - Google Patents

Abstract

The application provides a degradable plastic packaging bag which comprises an open degradable bag main body, wherein the degradable bag main body comprises an outer layer bag body and an inner layer bag body, the outer layer bag body and the inner layer bag body are connected with each other and form a moisture-preserving chamber therebetween, a water-absorbing moisture-preserving layer is arranged in the moisture-preserving chamber, and a water-permeable hole communicated with the inside of the moisture-preserving chamber is formed in the inner layer. The water-absorbing moisture-preserving layer absorbs moisture on the surfaces of the vegetables and locks the vegetables in the moisture-preserving room, so that the vegetables are prevented from being spoiled due to excessive moisture, the humidity in the degradable plastic packaging bag is ensured, the vegetables are prevented from being stored in an excessively dry environment and dried, and the preservation duration of the vegetables and the fruits is prolonged.

Description

Degradable plastic packaging bag

Technical Field

The present application relates to containers for storage or transport of articles or materials, such as bags, drums, bottles, boxes, cans, cartons, crates, drums, tanks, troughs, silos, transport containers; accessories, seals or fittings used; a packaging element; the technical field of packaging parts, in particular to a degradable plastic packaging bag.

Background

The utility model patent with the application number 202121646827.1 discloses a fresh-keeping plastic bag which comprises a bag body, wherein at least one ventilation hole is formed in the bag body, a waterproof ventilation film is arranged on the inner wall of the bag body and positioned at the position of the ventilation hole, and a sealing assembly for sealing is connected to the open end of the bag body. This application has the advantage of reducing the likelihood of contamination of fresh clean vegetables.

However, the plastic bag is used for sealing and preserving the food by virtue of the coating of the plastic bag, so that the air can be isolated from contacting the food, and the oxidation speed of the food is reduced; meanwhile, air is isolated, and the growth of microorganisms is inhibited in a sealed environment, so that the freshness of the food is maintained, and the preservation time of the food is prolonged.

In the patent document of the utility model, the position of the air vent is provided with a waterproof and breathable film, so that the moisture in the bag body is not outwards lost, but when the moisture in the bag body is excessive, green leaf vegetables are more easy to rot and deteriorate and leave, and the freshness of the vegetables is affected; in order to enable vegetables to breathe in a ventilation mode, the freshness is improved, ventilation holes are formed in the bag body, the waterproof ventilation film enables the humidity in the bag body to be kept, and meanwhile the vegetables of the plastic packaging bag are in contact with air, so that the freshness keeping time of vegetables and fruits is affected.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a degradable plastic packaging bag which is beneficial to prolonging the fresh-keeping time of vegetables and fruits, and adopts the technical scheme that:

The utility model provides a degradable plastic packaging bag, includes open degradable bag main part, degradable bag main part includes outer bag body and inlayer bag body, outer bag body and inlayer bag body interconnect and form a moisture preservation room between the two, be equipped with the layer of moisturizing that absorbs water in the moisture preservation room, be equipped with on the inlayer with the hole of permeating water of the inside intercommunication of moisture preservation room.

The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the water-absorbing and moisturizing layer is made of moisturizing sponge or moisturizing cotton.

The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the water permeable holes are arranged in a plurality, and the water permeable holes are distributed on the inner layer bag body at intervals.

The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the open end of the degradable bag main body is also provided with a sealing structure.

The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the sealing structure is a sealing strip or a sliding rope.

The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the outer layer bag body is provided with a water injection hole communicated with the inside of the moisturizing chamber.

The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the water injection hole is provided with a sealing cover.

The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the water injection hole is arranged at the upper part of the outer layer bag body.

The utility model has the beneficial effects that:

When vegetables are stored in the degradable plastic packaging bag, water on the vegetables can be absorbed on the water absorbing and moisturizing layer through the water absorbing holes, so that the water on the surfaces of the vegetables is absorbed, and the vegetables are prevented from being rotten due to excessive water reserved on the surfaces of the vegetables; and the moisture is absorbed in the water-absorbing moisture-preserving layer, the water-absorbing moisture-preserving layer absorbs the moisture on the surfaces of the vegetables and is locked in the moisture-preserving chamber, so that the vegetables are prevented from being spoiled quickly due to excessive moisture, the humidity in the degradable plastic packaging bag is ensured, the vegetables are prevented from being dried due to storage in an excessively dry environment, and the preservation duration of the vegetables and the fruits is prolonged.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic structural view of a degradable plastic packaging bag according to an embodiment of the present application;

Fig. 2 is a cross-sectional view of a degradable plastic packaging bag according to an embodiment of the present application.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, plural means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and the above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless clearly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be connected directly or indirectly through an intermediary; the connecting device can be fixedly connected, detachably connected and integrally formed; may be a mechanical connection; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

Referring to fig. 1-2, an embodiment of the present application is provided, in which the degradable plastic packaging bag includes an open degradable bag main body made of a polylactic acid biodegradable composite material, the degradable bag main body includes an outer layer bag body 10 and an inner layer bag body 20, the outer layer bag body 10 and the inner layer bag body 20 are connected to each other and form a moisture-preserving chamber 30 therebetween, a water-absorbing moisture-preserving layer 40 is disposed in the moisture-preserving chamber 30, and a water-permeable hole 50 communicating with the inside of the moisture-preserving chamber 30 is disposed on the inner layer.

When vegetables are stored in the degradable plastic packaging bag, moisture on the vegetables can be adsorbed on the water absorbing and moisturizing layer 40 through the water permeable holes 50, so that moisture on the surfaces of the vegetables is absorbed, and the vegetables are prevented from rotting due to excessive moisture reserved on the surfaces of the vegetables; and the moisture is absorbed in the water-absorbing and moisture-preserving layer 40, and the water-absorbing and moisture-preserving layer 40 absorbs the moisture and is locked in the moisture-preserving chamber 30, so that the humidity in the degradable plastic packaging bag is ensured, the situation that vegetables are dried due to storage in an excessively dry environment is avoided, and the preservation duration of the vegetables and the fruits is prolonged.

The water-absorbing and moisturizing layer 40 is made of moisturizing sponge or moisturizing cotton, and the moisturizing sponge and the moisturizing cotton have strong adsorption capacity and can effectively adsorb water and play a good role in regulating humidity.

The open end of the degradable bag main body is also provided with a sealing structure 60, and when the sealing structure 60 is not arranged, the sealing of the degradable bag main body can be realized through binding; when the sealing structure 60 is arranged on the degradable bag main body, the sealing of the open end of the degradable bag main body can be realized through the sealing strip or the sliding rope, so that the degradable bag is more convenient to use.

The outer bag 10 is provided with a water injection hole 70 communicating with the inside of the moisturizing chamber 30, and when the moisture is less, but the vegetables or fruits in the storage environment are required to be moisturized, a certain amount of water can be injected into the moisturizing chamber 30, and after the water is absorbed by the water absorbing and moisturizing layer 40, the food materials such as the vegetables or fruits in the inner bag 20 can be stored in the environment with higher moisturization degree.

Preferably, a sealing plug may be further disposed on the water injection hole 70, and the sealing plug may seal the water injection hole 70, so as to further ensure sealing performance of the packaging bag. The sealing plug is a plastic sealing plug, which is the prior art, and the structure of the sealing plug is not described in detail in the application.

Preferably, the water permeable holes 50 are provided in plurality, and the water permeable holes 50 are distributed on the inner bag 20 at intervals, so as to ensure that the water absorbing and moisturizing layer 40 can be fully contacted with food materials such as vegetables and fruits.

In this embodiment, the water injection hole 70 is disposed at the upper portion of the outer bag 10, so as to facilitate water injection.

Of course, the present utility model is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications and substitutions without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are included in the scope of the present utility model as defined in the appended claims.

Claims (7)

1. The utility model provides a degradable plastic packaging bag, its characterized in that includes open degradable bag main part, degradable bag main part includes outer bag body (10) and inlayer bag body (20), outer bag body (10) and inlayer bag body (20) interconnect and form a moisture preservation room (30) between the two, be equipped with in moisture preservation room (30) and absorb water moisture preservation layer (40), be equipped with on the inlayer with moisture preservation room (30) inside intercommunication's hole of permeating water (50), be equipped with on outer bag body (10) with moisture preservation room (30) inside intercommunication's water injection hole (70).

2. The degradable plastic packaging bag according to claim 1, characterized in that the water-absorbing and moisturizing layer (40) is made of moisturizing sponge or moisturizing cotton.

3. The degradable plastic packaging bag according to claim 1, wherein a plurality of water permeable holes (50) are provided, and a plurality of water permeable holes (50) are distributed at intervals on the inner bag body (20).

4. The degradable plastic packaging bag according to claim 1, characterized in that the degradable bag body is further provided with a sealing structure (60) on the open end.

5. The degradable plastic packaging bag according to claim 4, characterized in that the sealing structure (60) is a sealing strip or a sliding cable.

6. The degradable plastic packaging bag according to claim 1, characterized in that the water injection hole (70) is provided with a sealing cover (80).

7. The degradable plastic packaging bag according to claim 1, characterized in that the water injection hole (70) is provided at the upper part of the outer bag body (10).