Inflatable packaging bag

Abstract

The utility model discloses an inflatable packaging bag which comprises a first bag body, a second bag body and an inflation valve assembly, the first bag body is made of flexible materials, the second bag body is made of flexible materials, the inner wall of the first bag body and the outer wall of the second bag body are bonded and matched together, and the inflation valve assembly is arranged on the first bag body. The second bag body is located in the first bag body, a closed air cavity is formed between the first bag body and the second bag body, the inflation valve assembly is arranged on the bag wall of the first bag body, the inflation valve assembly and the air cavity are in a communicated state, and a bag opening of the second bag body is in an open state. Compared with the prior art, the packaging bag has the following beneficial effects that when objects are packaged, the objects only need to be inflated or deflated through the inflation valve assembly, adhesive tape packaging is not needed, the objects can be flattened and stored after being deflated, and the occupied space is small during storage.

Description

TECHNICAL FIELD

[0001] The utility model relates to packing material field especially relates to an inflation packing bag. BACKGROUND

[0002] At present, many articles will adopt air bag to carry out package when carrying out express delivery, can effectively guarantee the safety of article after adopting air bag package article and then carrying out express delivery, there are two problems to adopt air bag to carry out article package, first, the air bag is big in volume, occupies large storage space when not using, second, the air bag does not have the structure of sealing itself, must be wrapped with adhesive tape after completing the encapsulation of article. UTILITY MODEL CONTENTS

[0003] The utility model discloses to the above -mentioned problem, propose a kind of inflation packing bag, only need to be inflated or deflated by inflation valve assembly when packing article, need not help adhesive tape encapsulation, can be flattened after deflation and stored, small space is occupied when storing.

[0004] The technical scheme adopted by the utility model is as follows:

[0005] An inflation packing bag, including first bag body, second bag body and inflation valve assembly, the first bag body is the first bag body of flexible material, the second bag body is the second bag body of flexible material, the inner wall of the first bag body and the outer wall of second bag body are bonded together, the second bag body is located in the first bag body, the first bag body and second bag body form the closed air cavity between, the inflation valve assembly is set up on the bag wall of first bag body, and the inflation valve assembly with the air cavity is in the state of intercommunication, the bag mouth of second bag body is in open state.

[0006] In the inflation packing bag, the second bag body is located in the first bag body, the first bag body and the second bag body form the closed air cavity between, and the inflation valve assembly is set on the bag wall of the first bag body, inflation equipment can be inflated into the air cavity by inflation valve assembly, and the gas in the air cavity can also be released by inflation valve assembly.

[0007] The method for using the inflatable packaging bag is as follows: first, the object to be packaged is put into the second bag through the bag opening of the second bag, and then the air cavity is inflated through the inflation valve assembly, the gas in the air cavity increases, the first bag expands, the volume of the whole packaging bag becomes larger, and the second bag collapses under the extrusion of the gas, the bag opening of the second bag is extruded and closed due to the action of the gas pressure, and a protective gas layer is formed around the second bag by the gas in the air cavity, when the object in the second bag is taken out, the gas in the air cavity is released through the inflation valve assembly, at this time, there is no high-pressure gas around the second bag, the bag opening of the second bag is opened, and the object in the second bag can be taken out, and after the object is taken out, the whole packaging bag can be laid flat for storage, and the inflation valve assembly is used again to inflate the air cavity.

[0008] In summary, the packaging bag only needs to be inflated or deflated through the inflation valve assembly when packaging the object, does not need to be packaged by means of adhesive tape, and can be laid flat for storage after deflation, thereby occupying small space during storage.

[0009] Optionally, the second bag and the bag opening of the first bag are adhesively connected together.

[0010] Specifically, the first bag and the second bag are adhesively connected together by means of heat adhesion.

[0011] Specifically, the first bag and the second bag are made of the same film, which can be made of a PE film, or a composite film composed of a PE film and a PET film, or a composite film composed of a PE film and a nylon film.

[0012] Optionally, the volume of the first bag is greater than the volume of the second bag.

[0013] The packaging bag only needs to be inflated or deflated through the inflation valve assembly when packaging the object, does not need to be packaged by means of adhesive tape, and can be laid flat for storage after deflation, thereby occupying small space during storage. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0015] Figure 1 is a structural schematic diagram of the inflatable packaging bag.

[0016] The reference signs in the drawings are as follows: 1, first bag; 2, second bag; 12, air cavity; 3, inflation valve assembly. DETAILED DESCRIPTION

[0017] In order to make the above objectives, characteristics and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0018] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without the specific details given herein, that the present application can be practiced with other than the described techniques, and that the present application can be practiced with different techniques, methods, and equipment than those described herein. Thus, the present application is not limited to the specific embodiments described herein, but only by the claims.

[0019] In the description of the present application, it should be noted that the terms used herein are only for the purpose of describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn in proportion to the actual proportions. Techniques, methods and equipment known to those skilled in the relevant art can not be discussed in detail, but in appropriate cases, the techniques, methods and equipment should be considered as part of the authorized description. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numbers and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0020] As shown in the accompanying drawings Figure 1 A kind of inflation packaging bag, including first bag body 1, second bag body 2 and inflation valve assembly 3, first bag body 1 is the first bag body 1 of flexible material, second bag body 2 is the second bag body 2 of flexible material, the inner wall of first bag body 1 and the outer wall of second bag body 2 are bonded together, second bag body 2 is located in first bag body 1, and the closed air cavity 12 is formed between first bag body 1 and second bag body 2, inflation valve assembly 3 is arranged on the bag wall of first bag body 1, and inflation valve assembly 3 is in the state of communication with air cavity 12, and the bag mouth of second bag body 2 is in open state.

[0021] In this kind of inflation packaging bag, second bag body 2 is located in first bag body 1, and the closed air cavity 12 is formed between first bag body 1 and second bag body 2, and inflation valve assembly 3 is arranged on the bag wall of first bag body 1, and inflation equipment can inflate air cavity 12 by inflation valve assembly 3, and the gas in air cavity 12 can also be released by inflation valve assembly 3.

[0022] The method for using the inflatable packaging bag is as follows: first, the object to be packaged is put into the second bag body 2 through the bag opening of the second bag body 2, and then the air cavity 12 is inflated through the inflation valve assembly 3, the gas in the air cavity 12 increases, the first bag body 1 expands, the volume of the entire packaging bag increases, and the second bag body 2 collapses under the extrusion of the gas, the bag opening of the second bag body 2 is extruded and closed due to the action of the gas pressure, and at the same time, a protective gas layer is formed around the second bag body 2. When the object in the second bag body 2 needs to be taken out, the gas in the air cavity 12 is released through the inflation valve assembly 3, at this time, there is no high-pressure gas around the second bag body 2, the bag opening of the second bag body 2 is opened, and the object in the second bag body 2 can be taken out. After the object is taken out, the entire packaging bag can be laid flat for storage, and the inflation valve assembly 3 is used to inflate the air cavity 12 again for use.

[0023] In summary, the packaging bag only needs to be inflated or deflated through the inflation valve assembly 3 when packaging objects, without the need for tape packaging. After deflation, it can be laid flat for storage, occupying less space during storage.

[0024] The inflation valve assembly in the packaging bag can be the inflation valve assembly 3 shown in the patent publication document CN205745482U.

[0025] As shown in the accompanying Figure 1 , the bag opening of the second bag body 2 is adhesively connected with the bag opening of the first bag body 1.

[0026] Specifically, the first bag body 1 and the second bag body 2 are adhesively connected by heat bonding.

[0027] Specifically, the first bag body 1 and the second bag body 2 are made of the same film, which can be made of PE film, or a composite film composed of PE film and PET film, or a composite film composed of PE film and nylon film.

[0028] As shown in the accompanying Figure 1 , the volume of the first bag body 1 is greater than the volume of the second bag body 2.

[0029] The above-described embodiments only express some embodiments of the present application, which are described in more detail and in more detail, but should not be construed as limiting the scope of the present application. It should be noted that for those skilled in the art, the technical solutions described in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An air-packing bag, characterized by, The air bag comprises a first bag body, a second bag body and an inflation valve assembly, the first bag body is made of flexible material, the second bag body is made of flexible material, the inner wall of the first bag body and the outer wall of the second bag body are bonded together, the second bag body is located in the first bag body, a closed air cavity is formed between the first bag body and the second bag body, the inflation valve assembly is arranged on the bag wall of the first bag body, and the inflation valve assembly is in communication with the air cavity, and the bag opening of the second bag body is in an open state.

2. An air-packing bag according to claim 1, wherein The bag opening of the second bag body and the bag opening of the first bag body are bonded together.

3. An air-packing bag according to claim 1, wherein The volume of the first bag body is greater than the volume of the second bag body.

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