Food packaging bag with thermal developing anti-counterfeiting function

Abstract

The utility model relates to the technical field of food packaging bags, and discloses a food packaging bag with a thermal developing anti-counterfeiting function, which comprises a main bag, a U-shaped ring is fixedly mounted on the outer side of the main bag, a hinge block is fixedly mounted on the outer side of the top end of the U-shaped ring, and the hinge block is fixedly mounted on the outer side of the top end of the main bag. A pull ring is hinged to the inner side of the hinge block, a top bag is fixedly installed at the top of the main bag, and a zipper body is arranged in the center of the top bag. According to the food packaging bag with the thermal developing anti-counterfeiting function, in order to better carry out anti-counterfeiting and protection on articles in the food packaging bag body, the anti-counterfeiting assembly is arranged, after the articles are contained in the main bag and the top bag, the zipper body is closed in cooperation with a zipper head and a zipper ring, and the zipper ring and a connecting rod are combined into a whole in cooperation with a threaded rod; and then the anti-counterfeiting code sticker is pasted, and the fixing block is fixed, so that articles in the food packaging bag body can be better prevented from being replaced, and anti-counterfeiting verification can be carried out.

Description

Technical Field

[0001] The utility model relates to the technical field of food packaging bags, in particular to a food packaging bag with a thermal color development anti-counterfeiting function. Background Art

[0002] In food processing and production, a large packaging bag is usually placed outside multiple small packaging bags to facilitate sales. In order to prevent counterfeit sales, factories usually stick thermal color anti-counterfeiting stickers on the outside of the large packaging bag.

[0003] Thermochromic anti-counterfeiting technology is an anti-counterfeiting method that displays specific patterns or information through physical or chemical changes in materials or inks under specific temperature conditions. The application of thermochromic anti-counterfeiting technology on food packaging bags is mainly through printing special heat-sensitive materials or inks on the packaging bags. When the packaging bags encounter a specific temperature, these materials or inks will change color, thereby displaying specific patterns or information.

[0004] However, counterfeit goods can be sold by directly tearing up the packaging bag, then cutting off the complete thermal color anti-counterfeiting sticker and splicing it to other packaging bags. The current food packaging bags cannot ensure that the thermal color anti-counterfeiting stickers can be repeatedly verified by external thermal color equipment to make the anti-counterfeiting code stickers disposable, thereby reducing the risk of selling counterfeit goods. In addition, the firmness and moisture resistance of the current food packaging bags need to be improved. In view of this, we propose a food packaging bag with thermal color anti-counterfeiting function. Utility Model Content

[0005] The utility model aims to provide a food packaging bag with a thermal color development anti-counterfeiting function to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a food packaging bag with a thermal color development anti-counterfeiting function, comprising a main bag, a U-shaped ring is fixedly installed on the outside of the main bag, a hinge block is fixedly installed on the outside of the top of the U-shaped ring, a pull ring is hingedly installed on the inside of the hinge block, a top bag is fixedly installed on the top of the main bag, a zipper body is arranged in the center of the top bag, and an anti-counterfeiting component is arranged on the main bag, and the anti-counterfeiting component includes:

[0007] A zipper head, the zipper body is slidably mounted with the zipper head, and a zipper ring is sleeved on the outer side of the zipper head;

[0008] A connecting rod, wherein the inner wall of the hinge block is fixedly mounted with the connecting rod, the inner side of the zipper ring is threadedly connected to the outer side of one end of the threaded rod, and the outer side of the other end of the threaded rod is threadedly mounted inside the center of the connecting rod;

[0009] An anti-counterfeiting code sticker is pasted on the outer side of the center of one end of the connecting rod away from the zipper ring, and the adhesive end of the anti-counterfeiting code sticker is pasted on the outer side of the threaded rod.

[0010] Preferably, a fixing block is fixedly mounted on one end of the connecting rod away from the zipper ring, and the outer wall of the fixing block is in contact with the outer wall of the anti-counterfeiting code sticker.

[0011] Preferably, two groups of fixing blocks are provided, and the two groups of fixing blocks are symmetrically arranged at both ends of the anti-counterfeiting code sticker with the vertical midline of the anti-counterfeiting code sticker as the symmetry axis, so as to better prevent the items inside the food packaging bag body from being replaced.

[0012] Preferably, two groups of the U-shaped rings and the pull rings are provided, and two groups of the hinge blocks at the top of a single group of the U-shaped rings are provided, so that it is more convenient to take the food packaging bag body.

[0013] Preferably, the anti-counterfeiting code sticker is made of a thermochromic material, so as to better perform anti-counterfeiting verification.

[0014] Preferably, the main bag comprises a base layer, a moisture-proof layer and a resin layer from outside to inside, and the base layer and the moisture-proof layer, and the moisture-proof layer and the resin layer are bonded by polyurethane adhesive, thereby making the food packaging bag body more firm and more moisture-proof.

[0015] Compared with the prior art, the utility model provides a food packaging bag with a thermal color development anti-counterfeiting function, which has the following beneficial effects:

[0016] 1. In order to better prevent and protect the articles in the food packaging bag body from counterfeiting, the food packaging bag with thermal color development anti-counterfeiting function is provided with an anti-counterfeiting component. After the articles are loaded into the main bag and the top bag, the zipper body is closed by cooperating with the zipper head and the zipper ring, and the zipper ring and the connecting rod are combined into a whole by cooperating with the threaded rod, and then the anti-counterfeiting code sticker is affixed and the fixing block is fixed, so as to better prevent the articles in the food packaging bag body from being replaced and to perform anti-counterfeiting verification.

[0017] 2. In order to improve the firmness and moisture-proof performance of the food packaging bag body, the food packaging bag with thermochromic anti-counterfeiting function is combined with a base layer and a resin layer to make the food packaging bag body more firm, and combined with a moisture-proof layer to make the moisture-proof performance of the food packaging bag body better, thereby better protecting the items inside the food packaging bag body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structural connection of the utility model;

[0019] Figure 2 This is a schematic diagram of the overall structural connection of the utility model from another perspective;

[0020] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure of the middle A area;

[0021] Figure 4 This is a schematic cross-sectional view of the main bag of the utility model;

[0022] Figure 5 For this utility model Figure 4 Schematic diagram of the enlarged structure of the middle B area;

[0023] Figure 6 It is a partial structure explosion diagram of the utility model;

[0024] Figure 7 It is a schematic cross-sectional view of part of the structure of the utility model.

[0025] In the figure: 1. main bag; 2. U-shaped ring; 3. hinge block; 4. pull ring; 5. top pocket; 6. zipper body; 7. anti-counterfeiting component; 71. zipper head; 72. zipper ring; 73. connecting rod; 74. threaded rod; 75. anti-counterfeiting code sticker; 76. fixing block; 101. base layer; 102. moisture-proof layer; 103. resin layer. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-7 The utility model provides a technical solution: a food packaging bag with a thermal color development anti-counterfeiting function, comprising a main bag 1, a U-shaped ring 2 is fixedly installed on the outside of the main bag 1, a hinge block 3 is fixedly installed on the outside of the top of the U-shaped ring 2, and a pull ring 4 is hingedly installed on the inside of the hinge block 3. Furthermore, the U-shaped ring 2 and the pull ring 4 are provided in two groups, and the hinge block 3 at the top of a single group of U-shaped rings 2 is provided with two groups, so that it is more convenient to take the food packaging bag body, a top bag 5 is fixedly installed on the top of the main bag 1, and a zipper body 6 is provided inside the center of the top bag 5.

[0028] In one embodiment of the utility model, an anti-counterfeiting component 7 is provided on the main bag 1, and the anti-counterfeiting component 7 includes a zipper head 71, a zipper head 71 is slidably installed on the zipper body 6, a zipper ring 72 is sleeved on the outside of the zipper head 71, a connecting rod 73 is fixedly installed on the inner wall of the hinge block 3, the inner side of the zipper ring 72 is threadedly connected to the outer side of one end of the threaded rod 74, and the outer side of the other end of the threaded rod 74 is threadedly installed inside the center of the connecting rod 73. After the items are loaded into the main bag 1 and the top bag 5, the zipper body 6 is fastened with the zipper head 71 and the zipper ring 72. The body 6 is closed, so that the threaded rod 74 is screwed into the center of the zipper ring 72 and the connecting rod 73, and the zipper ring 72 and the connecting rod 73 are combined into a whole. The anti-counterfeiting code sticker 75 is pasted on the outer side of the center of the end of the connecting rod 73 away from the zipper ring 72, and the adhesive end of the anti-counterfeiting code sticker 75 is attached to the outer side of the threaded rod 74 (the anti-counterfeiting code sticker 75 uses a low-density polyethylene (LDPE) film as a substrate, which has good thermal stability and processability. The thermal color development anti-counterfeiting code is sprayed on the LDPE film, and the pigment is selected from the thermal color development paint The anti-counterfeiting code sticker 75 is made of a thermochromic material, so as to better perform anti-counterfeiting verification. Furthermore, a fixing block 76 is fixedly installed at one end of the connecting rod 73 away from the zipper ring 72, and the outer wall of the fixing block 76 is in contact with the outer wall of the anti-counterfeiting code sticker 75. Further, two groups of fixing blocks 76 are provided, and the two groups of fixing blocks 76 are symmetrically arranged at both ends of the anti-counterfeiting code sticker 75 with the vertical center line of the anti-counterfeiting code sticker 75 as the symmetry axis. Then, the anti-counterfeiting code sticker 75 is pasted on the outer side of the center of the connecting rod 73, and the fixing block 76 is fixed, so that the anti-counterfeiting code sticker 75 becomes a disposable product, and the anti-counterfeiting code sticker 75 can be repeatedly color-coded by an external thermochromic device to verify the authenticity. However, the threaded rod 74 can only be reversely rotated outward by tearing off the anti-counterfeiting code sticker 75 to move the zipper ring 72, so that the outside world cannot replace the items inside the food packaging bag body, and then the items inside the food packaging bag body can be better prevented from being replaced and anti-counterfeiting verification can be performed.

[0029] In one embodiment of the utility model, the main bag 1 comprises, from the outside to the inside, a base layer 101, a moisture-proof layer 102 and a resin layer 103, and the base layer 101 and the moisture-proof layer 102, as well as the moisture-proof layer 102 and the resin layer 103 are bonded by polyurethane adhesive. Furthermore, the base layer 101 and the resin layer 103 are combined to make the food packaging bag body more solid. The moisture-proof layer 102 is made of polypropylene film, and the moisture-proof layer 102 is combined to make the moisture-proof performance of the food packaging bag body better, thereby better protecting the items inside the food packaging bag body, and the items are not easily damaged by moisture.

[0030] Working principle: After putting the articles into the main bag 1 and the top bag 5, the zipper body 6 is closed with the zipper head 71 and the zipper ring 72, so that the threaded rod 74 is screwed into the center of the zipper ring 72 and the connecting rod 73, and the zipper ring 72 and the connecting rod 73 are combined into a whole. Then, the anti-counterfeiting code sticker 75 is pasted on the outside of the center of the connecting rod 73, and then the fixing block 76 is fixed, so that the anti-counterfeiting code sticker 75 becomes a disposable product, and the anti-counterfeiting code sticker 75 can be repeatedly verified by external thermal color development equipment to display the color to verify the authenticity, but the anti-counterfeiting code sticker 75 can only be torn off. Only by means of the sticker 75 can the threaded rod 74 be screwed outward in the opposite direction, thereby moving the zipper ring 72, so that the outside world cannot replace the items inside the food packaging bag body, and then the items inside the food packaging bag body can be better prevented from being replaced and anti-counterfeiting verification can be performed; further, with the base layer 101 and the resin layer 103, the food packaging bag body is made more solid, and with the moisture-proof layer 102, the moisture-proof performance of the food packaging bag body is better, and then the items inside the food packaging bag body can be better protected, and the items are not easily damaged by moisture.

[0031] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A food packaging bag with a thermal color development anti-counterfeiting function, comprising a main bag (1), characterized in that: A U-shaped ring (2) is fixedly mounted on the outside of the main bag (1), a hinge block (3) is fixedly mounted on the outside of the top end of the U-shaped ring (2), a pull ring (4) is hingedly mounted on the inside of the hinge block (3), a top bag (5) is fixedly mounted on the top of the main bag (1), a zipper body (6) is arranged in the center of the top bag (5), and an anti-counterfeiting component (7) is arranged on the main bag (1), and the anti-counterfeiting component (7) comprises: A zipper head (71), the zipper body (6) is slidably mounted with the zipper head (71), and a zipper ring (72) is sleeved on the outer side of the zipper head (71); A connecting rod (73), the inner wall of the hinge block (3) is fixedly mounted with the connecting rod (73), the inner side of the zipper ring (72) is threadedly connected to the outer side of one end of the threaded rod (74), and the outer side of the other end of the threaded rod (74) is threadedly mounted inside the center of the connecting rod (73); An anti-counterfeiting code sticker (75) is pasted on the outer side of the center of one end of the connecting rod (73) away from the zipper ring (72), and the adhesive end of the anti-counterfeiting code sticker (75) is in contact with the outer side of the threaded rod (74). A fixing block (76) is fixedly installed on the end of the connecting rod (73) away from the zipper ring (72), and the outer wall of the fixing block (76) is in contact with the outer wall of the anti-counterfeiting code sticker (75). The anti-counterfeiting code sticker (75) is made of a thermochromic material.

2. A food packaging bag with a thermochromic anti-counterfeiting function according to claim 1, characterized in that: Two groups of the fixing blocks (76) are provided, and the two groups of the fixing blocks (76) are symmetrically arranged at two ends of the anti-counterfeiting code sticker (75) with the vertical midline of the anti-counterfeiting code sticker (75) as the symmetry axis.

3. The food packaging bag with thermochromic anti-counterfeiting function according to claim 1, characterized in that: The U-shaped ring (2) and the pull ring (4) are provided in two groups, and the hinge blocks (3) at the top of a single group of the U-shaped ring (2) are provided in two groups.

4. The food packaging bag with thermochromic anti-counterfeiting function according to claim 1, characterized in that: The main bag (1) comprises a base layer (101), a moisture-proof layer (102) and a resin layer (103) from the outside to the inside, and the base layer (101) and the moisture-proof layer (102), and the moisture-proof layer (102) and the resin layer (103) are bonded by polyurethane adhesive.

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