A gas column bag for cold chain

Abstract

The present application relates to the technical field of air column bags, in particular to an air column bag for cold chain, comprising: an air column bag body, an air inlet is formed in the upper part of the air column bag body, and an air inlet hole is formed in one end of the air inlet; the beneficial effect is that: the air column bag body is folded, one end of the mounting block at the upper end of the explosion-proof assembly is inserted into the fixing block and the limiting block on one side, then the air column bag body is restored, and the mounting block and the limiting block on the other side are installed and fixed, then air is supplied through the air inlet hole to make the air column body expand, and the explosion-proof ring on the outer side of the explosion-proof assembly is lifted up, the inflation is stopped, the fixed cloth belt is inserted into the mounting groove to complete the fixation when the air column bag body is connected, when not in use, the sealing disc is pressed to slide down to the exhaust groove, at this time, the gas in the interior is discharged through one end of the exhaust groove, then the air column bag body is rolled up for convenient storage for next use, and the over inflation during the inflation process is prevented.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of air column bags, in particular to an air column bag for cold chain. BACKGROUND

[0002] The air column bag, also known as a buffer air column bag, is a new type of packaging material filled with natural air in the 21st century. The comprehensive air column plays a buffering and protective role, and reduces the transportation loss rate of products to the minimum. The air column bag is widely used in various aspects of life, and its important position in fruit and vegetable cold chain transportation and logistics packaging is particularly prominent with the rapid development of e-commerce of fresh fruits and vegetables.

[0003] In the prior art, the air column bag is commonly used for transportation and packaging of fresh cold chain logistics, and has high heat preservation and impact resistance. However, the common air column bag on the market is prone to burst when inflated before use, and is not convenient to store after use, so it is often discarded after use, which is a waste of resources. Therefore, the present application provides an air column bag for cold chain to solve the above problems. SUMMARY

[0004] The purpose of the present application is to provide an air column bag for cold chain to solve the problem that the common air column bag on the market is prone to burst when inflated before use, and is not convenient to store after use, so it is often discarded after use, which is a waste of resources.

[0005] To achieve the above purpose, the present application provides the following technical scheme: an air column bag for cold chain, comprising:

[0006] The air column bag body is provided with an air inlet at the upper part, and an air inlet hole is formed at one end of the air inlet. An upper heat sealing strip is fixedly connected to the upper end of the air column bag body. A plurality of vertical heat sealing strips are arranged on the lower side of the air column bag body. A gas column body in communication with the air inlet is connected between each vertical heat sealing strip. A gas stop valve film is installed on the inner wall of each gas column body in communication with the air inlet. A gas outlet is formed at the lower end of the air column body. An air outlet hole is formed at one end of the air outlet. A lower heat sealing strip is fixedly connected to the lower end of the air outlet. Symmetrical fixed blocks are arranged on the outer walls of the two most lateral vertical heat sealing strips. Limiting blocks are arranged on the outer walls of the fixed blocks.

[0007] The exhaust assembly is installed on the outer wall of the exhaust hole, and the exhaust assembly comprises a gas pipe, an exhaust groove, a fixed ring, a spring, a sealing disc, a fixed rod, and a pressing block.

[0008] The anti-explosion assembly is installed through the two fixed blocks on the air column bag body, and the anti-explosion assembly comprises a mounting block, a fixed plate, a connecting cloth belt, an anti-explosion ring, a connecting block, and a fixed cloth belt.

[0009] Preferably, the air valve film prevents the internal gas from leaking after inflating the air column body.

[0010] Preferably, the air column bag body is an integral structure, and the air column bag body is sealed through the upper heat sealing strip, the vertical heat sealing strip and the lower heat sealing strip.

[0011] Preferably, the two side outer walls of the fixing block are fixedly connected with the vertical heat sealing strip and the side outer wall of the limiting block respectively, and the fixing block and the limiting block are plastic blocks.

[0012] Preferably, one end of the air pipe is fixedly connected with the outer wall of the exhaust hole, a plurality of exhaust grooves are circumferentially and equidistantly arranged in the inner wall of the lower end of the air pipe close to the exhaust hole, the exhaust grooves are circular arc type missing grooves, the outer wall of the fixing ring is fixedly connected with the upper inner wall of the air pipe close to the exhaust grooves, and the side outer wall of the fixing ring close to the exhaust grooves is fixedly connected with a sealing ring.

[0013] Preferably, the two end side walls of the spring are fixedly connected with the upper end inner wall of the exhaust groove and the side outer wall of the sealing disc respectively.

[0014] Preferably, the two ends of the fixing rod are fixedly connected with the sealing disc and the side outer wall of the pressing block respectively, the side outer wall of the sealing disc is abutted with the side outer wall of the sealing ring, and the outer wall of the fixing rod is slidingly connected with the upper end inner wall of the air pipe.

[0015] Preferably, the components of the exhaust assembly are plastic materials.

[0016] Preferably, the side outer wall of the mounting block is provided with a mounting groove, the two side inner walls of the mounting groove are fixedly connected with symmetric first insertion rods, the outer wall of the first insertion rod is rotatably connected with a fixed cloth tape, two mounting blocks are connected through the fixed cloth tape, one end of the fixed plate is fixedly connected with the side outer wall of the mounting block, the side outer wall of the fixed plate is fixedly connected with a second insertion rod, and the outer walls of the two second insertion rods are rotatably connected with the two end inner walls of the connecting cloth tape respectively.

[0017] Preferably, the inner wall of the explosion-proof ring is close to the air column body, the explosion-proof ring is made of silica gel material, the two ends of the explosion-proof ring are fixedly connected with symmetric two groups of connecting blocks, the outer walls between the connecting blocks in the same group are fixedly connected with fixed shafts, the outer walls of the fixed shafts are rotatably connected with one end inner wall of the connecting cloth tape, and a plurality of explosion-proof rings are connected through the connecting cloth tape.

[0018] Compared with the prior art, the present application has the following beneficial effects:

[0019] Fold the air column bag body, insert one end of the mounting block on both ends of the explosion-proof component into the fixing block and limiting block on one side, then restore the air column bag body to its original position, and simultaneously install and fix the mounting block and limiting block on the other side. Then, supply air through the air inlet to inflate the air column body, simultaneously lifting the explosion-proof ring on the outer explosion-proof component. At this point, stop inflation. When it is necessary to connect the air column bag body, insert the fixing tape into the mounting groove to complete the fixation. When not in use, press the pressing block to make the sealing plate slide down its outer wall to the exhaust groove. At this time, the internal gas is released through one end of the exhaust groove. Then, roll up the air column bag body for easy storage for the next use, while preventing the explosion during inflation. Attached Figure Description

[0020] Figure 1 This is a front view of the overall structure of the present invention;

[0021] Figure 2 This is a half-sectional view of the upper front part of the overall structure of the present invention;

[0022] Figure 3 This is a half-sectional view of the lower front part of the overall structure of the present invention;

[0023] Figure 4 This is a breakdown diagram of the overall structure of the present invention;

[0024] Figure 5 This is a schematic diagram of the explosion-proof component of the present invention;

[0025] Figure 6 This is a partial structural cross-sectional view of the explosion-proof component of the present invention;

[0026] Figure 7 This is a half-sectional view of the front of the explosion-proof component of the present invention;

[0027] Figure 8 For the present invention Figure 3 Enlarged view of the structure of region A in the middle;

[0028] Figure 9 For the present invention Figure 3 Enlarged view of the structure of region B in the middle.

[0029] In the diagram: Air column bag body 1, air inlet duct 11, air inlet hole 12, upper heat seal 13, vertical heat seal 14, air column body 15, air stop valve diaphragm 16, exhaust duct 17, exhaust hole 171, lower heat seal 18, fixing block 19, limit block 191, exhaust assembly 2, air pipe 21, exhaust groove 211, fixing ring 22, sealing ring 23, spring 24, sealing plate 25, fixing rod 26, pressing block 27, explosion-proof assembly 3, mounting block 31, mounting groove 311, first insertion rod 32, fixing plate 33, second insertion rod 34, connecting cloth tape 35, explosion-proof ring 36, connecting block 37, fixing shaft 38, fixing cloth tape 39. DETAILED DESCRIPTION

[0030] In order to make the objectives, technical solutions, and advantages of the present application clearer, the embodiments of the present application are further described in detail below with reference to the drawings. It should be understood that the specific embodiments described herein are part of the present application and not all embodiments. They are used to explain the embodiments of the present application and do not limit the embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0031] In the description of the present application, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by referring to examples. In the following description, many specific details are presented to provide a thorough understanding of the embodiments. However, it is obvious to those of ordinary skill in the art that the embodiments can not be limited to these specific details in practice. In some examples, well-known methods and structures are not described in detail to avoid unnecessarily complicating the embodiments. In addition, all embodiments can be used in combination with each other.

[0034] Please refer to Figures 1 to 9The application provides a technical scheme: a gas column bag for cold chain, which comprises a gas column bag body 1, an air inlet channel 11 is formed in the upper part of the gas column bag body 1, an air inlet hole 12 is formed in one end of the air inlet channel 11, and the air inlet hole 12 is used for entering the gas column body 15 after inflation, an upper heat sealing strip 13 is fixedly connected to the upper end of the gas column bag body 1, a plurality of vertical heat sealing strips 14 are arranged on the lower side of the gas column bag body 1, a gas column body 15 in communication with the air inlet channel 11 is connected between each two vertical heat sealing strips 14, a gas stop valve film 16 is arranged on the inner wall of each gas column body 15 in communication with the air inlet channel 11, so that air leakage in the gas column body 15 is prevented, an air outlet channel 17 is in communication with the lower part of the gas column body 15, an air outlet hole 171 is formed in one end of the air outlet channel 17, the air outlet hole 171 is used for discharging the gas in the gas column bag body 1, so that subsequent storage is facilitated, a lower heat sealing strip 18 is fixedly connected to the lower end of the air outlet channel 17, symmetrical fixing blocks 19 are arranged on the outer walls of the two most lateral vertical heat sealing strips 14, limit blocks 191 are arranged on the outer walls of the fixing blocks 19, the gas stop valve film 16 prevents air leakage in the gas column body 15 after inflation, the whole gas column bag body 1 is an integral structure, the gas column bag body 1 is sealed by the upper heat sealing strip 13, the vertical heat sealing strips 14 and the lower heat sealing strip 18, the outer walls of the two sides of the fixing block 19 are fixedly connected with the vertical heat sealing strips 14 and the outer wall of one side of the limit block 191 respectively, and the fixing block 19 and the limit block 191 are plastic blocks;

[0035] The exhaust assembly 2 is arranged on the outer wall of the air outlet hole 171, and comprises a gas pipe 21, a plurality of air outlet grooves 211, a fixing ring 22, a spring 24, a sealing disc 25, a fixing rod 26 and a pressing block 27. One end of the gas pipe 21 is fixedly connected with the outer wall of the air outlet hole 171, a plurality of air outlet grooves 211 are circumferentially and equidistantly formed in the inner wall of the lower end of the gas pipe 21 close to the air outlet hole 171, the air outlet grooves 211 are circular arc type slots, which facilitate the discharge of the internal gas, the outer wall of the fixing ring 22 is fixedly connected with the upper inner wall of the gas pipe 21 close to the air outlet grooves 211, so as to limit the position of the sealing disc 25, a sealing ring 23 is fixedly connected to the outer wall of one side of the fixing ring 22 close to the air outlet grooves 211, so as to improve the sealing strength and prevent the internal gas from leaking under normal circumstances, the two end side walls of the spring 24 are fixedly connected with the upper end inner wall of the air outlet groove 211 and the outer wall of one side of the sealing disc 25 respectively, the spring 24 forces the outer wall of one side of the sealing disc 25 to abut against the outer wall of the sealing ring 23 on the fixing ring 22, so as to improve the sealing strength, the two ends of the fixing rod 26 are fixedly connected with the sealing disc 25 and the outer wall of one side of the pressing block 27 respectively, the outer wall of one side of the sealing disc 25 abuts against the outer wall of one side of the sealing ring 23, the outer wall of the fixing rod 26 is slidingly connected with the upper end inner wall of the gas pipe 21, and the components of the exhaust assembly 2 are all made of plastic material.

[0036] The explosion-proof assembly 3 is installed through the two fixing blocks 19 on the air column bag body 1, and comprises installation blocks 31, a fixed plate 33, connecting cloth belts 35, explosion-proof rings 36, connecting blocks 37 and fixed cloth belts 39. An installation groove 311 is formed in one side outer wall of the installation block 31, and symmetrical first insertion rods 32 are fixedly connected to the inner walls on both sides of the installation groove 311. The outer wall of the first insertion rod 32 is rotatably connected with the fixed cloth belt 39. The two installation blocks 31 are connected through the fixed cloth belt 39. One end of the fixed plate 33 is fixedly connected with one side outer wall of the installation block 31. A second insertion rod 34 is fixedly connected with one side outer wall of the fixed plate 33. The outer walls of the two second insertion rods 34 are rotatably connected with the inner walls on both ends of the connecting cloth belt 35. The inner wall of the explosion-proof ring 36 is in close contact with the air column body 15. The explosion-proof ring 36 is made of silica gel material. Two groups of symmetrical connecting blocks 37 are fixedly connected with both ends of the explosion-proof ring 36. The outer walls of the connecting blocks 37 in the same group are fixedly connected with fixed shafts 38. The outer walls of the fixed shafts 38 are rotatably connected with one end inner wall of the connecting cloth belt 35. The plurality of explosion-proof rings 36 are connected through the connecting cloth belt 35.

[0037] When the device works, the air column bag body 1 is folded. One end of the installation block 31 on the explosion-proof assembly 3 is inserted into the fixing block 19 and the limiting block 191 on one side. Then the air column bag body 1 is restored, and the installation block 31 on the other side is installed and fixed with the limiting block 191. At this time, the installation of the explosion-proof assembly 3 is completed. Then air is supplied through the air inlet hole 12 to make the air column body 15 expand, and the explosion-proof ring 36 on the outer side of the explosion-proof assembly 3 is lifted. The air column bag body 1 extends outwardly so that the installation block 31 and the limiting block 191 abut. At this time, the inflation can be stopped. When the air column bag body 1 needs to be connected, the fixed cloth belt 39 is inserted into the installation groove 311 to complete the fixation. When not in use, the sealing disc 25 is lowered by pressing the pressing block 27, and the outer wall reaches the exhaust groove 211. At this time, the gas in the interior flows through one end of the exhaust groove 211, and the gas in the interior is slowly released. Then the air column bag body 1 is rolled up for storage for next use.

[0038] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A gas column bag for cold chain use, characterized by: Include: The air column bag body (1), the upper inside of the air column bag body (1) is provided with air inlet (11), one end of the air inlet (11) is provided with air inlet hole (12), the upper end of the air column bag body (1) is fixedly connected with upper heat sealing strip (13), the lower side of the air column bag body (1) is equipped with a plurality of vertical heat sealing strips (14), each the vertical heat sealing strip (14) is connected with the air column body (15) and the air inlet (11) communication, each the air column body (15) and the inner wall of air inlet (11) communication is installed with air stop valve film (16), the lower side of the air column body (15) is communicated with exhaust passage (17), one end of the exhaust passage (17) is provided with exhaust hole (171), the lower end of the exhaust passage (17) is fixedly connected with lower heat sealing strip (18), the outer wall of two most two sides the vertical heat sealing strip (14) is equipped with symmetrical fixed block (19), the outer wall of the fixed block (19) is equipped with limit block (191); Exhaust assembly (2), the exhaust assembly (2) is installed in the outer wall of exhaust hole (171), the exhaust assembly (2) includes air pipe (21), exhaust groove (211), fixed ring (22), spring (24), sealing disc (25), fixed rod (26), pressing block (27);The outer wall of one end of the air pipe (21) and exhaust hole (171) is fixedly connected, a plurality of exhaust grooves (211) are circumferentially equidistantly provided in the lower end inner wall of the air pipe (21) close to exhaust hole (171), the exhaust groove (211) is a circular arc type slot, the outer wall of the fixed ring (22) and the upper inner wall of the air pipe (21) close to exhaust groove (211) are fixedly connected, the fixed ring (22) one side outer wall close to exhaust groove (211) is fixedly connected with sealing ring (23);The both ends of the fixed rod (26) are respectively fixedly connected with sealing disc (25) and one side outer wall of pressing block (27), one side outer wall of the sealing disc (25) and one side outer wall of the sealing ring (23) are abutted, the outer wall of the fixed rod (26) and the upper end inner wall of the air pipe (21) are slidably connected;Both ends of the spring (24) are fixedly connected with the upper end inner wall of the exhaust groove (211) and one side outer wall of the sealing disc (25) respectively. The explosion-proof assembly (3) is installed through two fixing blocks (19) on the air column bag body (1), and comprises an installation block (31), a fixed plate (33), a connecting cloth belt (35), an explosion-proof ring (36), a connecting block (37) and a fixed cloth belt (39).

2. A stand-up pouch for cold chain use according to claim 1, characterized in that: The inner wall of the explosion-proof ring (36) is in close contact with the air column body (15), the explosion-proof ring (36) is made of silica gel material, and a plurality of explosion-proof rings (36) are connected through the connecting cloth belt (35).

3. A stand-up pouch for cold chain use according to claim 2, characterized in that: The outer wall of the connecting block (37) is fixedly connected with the fixed shaft (38) between the same group, and the outer wall of the fixed shaft (38) is rotatably connected with one end of the connecting cloth belt (35).

4. A stand-up pouch for cold chain use according to claim 3, characterized in that: The outer wall of the installation block (31) is provided with an installation groove (311) on one side, the both sides of the installation groove (311) are fixedly connected with symmetric first insertion rods (32), and the outer wall of the first insertion rod (32) is rotatably connected with the fixed cloth belt (39).

5. A stand-up pouch for cold chain use according to claim 1, characterized in that: The fixed plate (33) is fixedly connected with one end of the installation block (31) and one side of the outer wall, one side of the outer wall of the fixed plate (33) is fixedly connected with the second insertion rod (34), and the outer walls of the two second insertion rods (34) are rotatably connected with the other end of the connecting cloth belt (35). The air column bag body (1) is of an integrated structure and is sealed through the upper heat sealing strip (13), the vertical heat sealing strip (14) and the lower heat sealing strip (18). The both sides of the fixed block (19) are fixedly connected with one side of the outer wall of the vertical heat sealing strip (14) and the limiting block (191), and the fixed block (19) and the limiting block (191) are plastic blocks. The exhaust assembly (2) is made of plastic.

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