Leakage-proof food packaging bag

By combining sealing strips and rolling sticks in food packaging bags, the problem of unsolid sealing of traditional food packaging bags is solved, significantly improving the sealing effect and preventing food odor.

CN222769885UActive Publication Date: 2025-04-18XIAMEN THREESTONE PACKING MATERIAL
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Patent Information

Application Number
CN202421565172.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-04
Publication Date
2025-04-18
Estimated Expiration
2034-07-04

AI Technical Summary

Technical Problem

Traditional food packaging bags are not sealed firmly, causing external air to enter, food to change qualitatively, and the sealing strip may loosen, causing food to smell.

Method used

A leak-proof food packaging bag is designed, and double-sealed using a combination of sealing strips and rolling bag rods. First, the first seal is completed by a sealing strip, and then the bag body is rolled through the bag roll rod and the sealing block is unscrewed. The block is stuck on the bag roll rod to complete the second seal.

Benefits of technology

It significantly improves the sealing effect of food packaging bags, prevents food odors from leaking, avoids food odors, and ensures the quality of food storage and freshness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a leakproof food packaging bag, which belongs to the field of food packaging bags, and is characterized by comprising a bag body, a sealing strip and a sealing groove are mounted at a bag opening of the bag body, a bag rolling rod is mounted on one side of the bag opening of the bag body, an easy-to-open part is arranged on the other side of the bag opening of the bag body, a frosted surface is arranged on one surface of the easy-to-open part, and the frosted surface is arranged on the other surface of the easy-to-open part. The bag rolling rod is provided with a containing groove, the opening portion of the containing groove is in threaded connection with a sealing block, a clamping block is installed in the containing groove in a sliding mode, and the food packaging bag has the advantages that the sealing effect of the food packaging bag is improved, and food is prevented from being tainted by odor.
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Description

Technical Field

[0001] The utility model belongs to the field of food packaging bags, and more specifically relates to a leak-proof food packaging bag. Background Art

[0002] Traditional environmentally friendly food packaging bags are not well sealed when food is placed in them, which can easily allow outside air to enter, causing the food inside to come into contact with moisture and other substances, causing the food inside to deteriorate and become inedible. In addition, during the storage or preservation process of food, the sealing strip at the mouth of the bag is easily loosened due to a loose seal, causing the food in the bag to become damaged by odor. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a leak-proof food packaging bag, which has the advantages of improving the sealing effect of the food packaging bag and preventing food odor from being transferred.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A leakproof food packaging bag comprises a bag body, wherein a sealing strip and a sealing groove are installed at the bag opening of the bag body, a bag rolling rod is installed on one side of the bag opening of the bag body, and an easy-opening portion is provided on the other side, a frosted surface is provided on one surface of the easy-opening portion, a placement groove is opened on the bag rolling rod, a sealing block is threadedly connected to the placement groove, and a clamping block is slidably installed in the placement groove.

[0006] The advantages of this solution are at least that: when the food packaging bag needs to be sealed, the first sealing of the food packaging bag is first completed by the cooperation of the sealing strip and the sealing groove. After the first sealing is completed, the bag body that has been sealed for the first time is rolled on the bag rolling rod by the bag rolling rod, and after rolling at least two turns, the sealing block is unscrewed to remove the clamping block in the placement groove from the placement groove, and clamped on the bag rolling rod that has rolled the bag body more than two turns, thereby completing the second sealing of the food packaging bag, thereby improving the sealing effect of the food packaging bag and avoiding the phenomenon that the sealing strip is not sealed firmly and loosens, causing the leakage of food odor and thus causing the occurrence of food odor contamination.

[0007] The utility model is further configured as follows: easy-rotation blocks are installed at both ends of the bag rolling rod, and the diameter of the easy-rotation blocks is greater than the diameter of the bag rolling rod.

[0008] The advantage of this solution is at least that the provision of the easy-to-rotate block makes it more convenient and quick to roll the bag body onto the bag rolling rod.

[0009] The utility model is further configured as follows: a handle is installed at one end of the clamping block, and a clearance groove for the handle to be placed is opened on a side wall of the easy-rotating block.

[0010] The advantage of this solution is at least that by providing a handle on the card block, it is easier to take the card block out of the placement slot.

[0011] The utility model is further configured as follows: a knurled pattern is provided on the surface of the easy-to-rotate block.

[0012] The advantage of this solution is at least that the knurling pattern increases the friction between the easy-to-rotate block and the fingers, thereby preventing the hand from slipping when rolling the bag body onto the bag rolling rod.

[0013] The utility model is further configured as follows: a plurality of rubber protrusions are arranged on the surface of the bag rolling rod and the inner side wall of the block mouth.

[0014] The advantages of this solution are at least that the rubber bumps on the surface of the bag rolling rod increase the friction between the bag body and the bag rolling rod to prevent the bag body from slipping when rolling onto the bag rolling rod, and the rubber bumps at the mouth of the clamping block prevent the clamping block from falling off the bag rolling rod.

[0015] The utility model is further configured as follows: the sealing block is connected to the easy-rotating block through a rope.

[0016] The advantage of this solution is at least that the sealing block is connected to the easy-rotating block by a rope, thereby avoiding the sealing block from being lost when the food packaging bag is used.

[0017] The utility model is further configured as follows: the mouth of the clamping block is provided with a bevel.

[0018] The advantage of this solution is at least that the setting of the bevel allows the clamping block to be better clamped into the bag rolling rod that has rolled the bag body more than two turns.

[0019] The utility model is further configured as follows: the bag body is translucent.

[0020] The advantage of this solution is at least that the bag body is translucent, so that the state of the food in the food packaging bag can be better observed.

[0021] In summary, the utility model has at least the following advantages:

[0022] 1. By providing a sealing strip, a bag rolling rod and a clamping block, when the food packaging bag needs to be sealed, the sealing strip is first used to complete the first sealing of the food packaging bag. After the first sealing is completed, the bag body that has been sealed for the first time is rolled on the bag rolling rod by the bag rolling rod, and after rolling at least two turns, the sealing block is unscrewed to take the clamping block in the placement groove out of the placement groove, and clamped on the bag rolling rod that has rolled the bag body more than two turns, so as to complete the second sealing of the food packaging bag, thereby improving the sealing effect of the food packaging bag and avoiding the phenomenon that the sealing strip is not sealed firmly and loosens, causing the leakage of food odor and thus causing the occurrence of food odor contamination;

[0023] 2. An easy-to-rotate block is provided and a knurling pattern is provided on the outer surface of the easy-to-rotate block. The provision of the easy-to-rotate block makes it more convenient and quick to roll the bag body onto the bag rolling rod, and the knurling pattern increases the friction between the easy-to-rotate block and the fingers, thereby avoiding the hand slipping phenomenon when rolling the bag body onto the bag rolling rod, making it more convenient and quick to roll the bag body onto the bag rolling rod;

[0024] 3. By setting a handle, a handle is set on the card block to facilitate the card block to be taken out from the placement slot. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is an overall schematic diagram of this embodiment;

[0026] Figure 2 is a three-dimensional cross-sectional schematic diagram of this embodiment;

[0027] Figure 3 for Figure 2 A magnified schematic diagram of part A;

[0028] Figure 4 This is an exploded schematic diagram of this embodiment;

[0029] Figure 5 for Figure 4 A magnified schematic diagram of part B;

[0030] Figure 6 for Figure 4 Enlarged schematic diagram of part C.

[0031] Figure numerals: 1. bag body; 2. sealing strip; 3. sealing groove; 4. bag rolling rod; 5. easy-open part; 6. placement groove; 7. sealing block; 8. clamping block; 9. easy-rotation block; 10. handle; 11. clearance groove; 12. rubber protrusion; 13. rope; 14. bevel. DETAILED DESCRIPTION

[0032] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0033] A leakproof food packaging bag, such as Figure 1 , Figure 2 , Figure 3 As shown, it comprises a translucent bag body 1, a sealing strip 2 and a sealing groove 3 are installed at the bag opening of the bag body 1, a bag rolling rod 4 is installed on one side of the bag opening of the bag body 1, and an easy-opening portion 5 is provided on the other side, and a frosted surface is provided on one surface of the easy-opening portion 5, a placement groove 6 is opened on the bag rolling rod 4, a sealing block 7 is threadedly connected to the mouth of the placement groove 6, and a clamping block 8 is slidably installed in the placement groove 6. In order to prevent the sealing block 7 from being lost when the food packaging bag is used, the sealing block 7 is connected to the easy-rotating block 9 by a rope 13.

[0034] Furthermore, in some embodiments, in order to roll the bag body 1 onto the bag rolling rod 4 more conveniently and quickly, easy-to-rotate blocks 9 are installed at both ends of the bag rolling rod 4, the diameter of the easy-to-rotate block 9 is larger than the diameter of the bag rolling rod 4, and the surface of the easy-to-rotate block 9 is provided with a knurled pattern, wherein the setting of the knurled pattern increases the friction between the easy-to-rotate block 9 and the fingers, thereby avoiding the phenomenon of hand slipping when rolling the bag body 1 onto the bag rolling rod 4.

[0035] like Figure 4 , Figure 5 , Figure 6 As shown, in order to facilitate the block 8 to be taken out from the placement slot 6, in some preferred embodiments, a handle 10 is installed at one end of the block 8, and a clearance slot 11 for the handle 10 to be placed is opened on the side wall of an easy-to-rotate block 9. A number of protrusions are provided on the surface of the bag rolling rod 4 and the inner side wall of the mouth of the block 8. The rubber protrusions 12 on the surface of the bag rolling rod 4 increase the friction between the bag body 1 and the bag rolling rod 4 to prevent the bag body 1 from slipping when rolling onto the bag rolling rod 4, and the rubber protrusions 12 at the mouth of the block 8 prevent the block 8 from falling off the bag rolling rod 4. Figure 6 As shown, it is worth mentioning that in order to enable the clamping block 8 to be quickly clamped on the bag rolling rod 4 that rolls the bag body 1 more than two turns, a bevel 14 is provided at the mouth of the clamping block 8 .

[0036] The working process and beneficial effects of the utility model are as follows:

[0037] When it is necessary to seal the food packaging bag, the first sealing of the food packaging bag is first completed by the sealing strip 2. After the first sealing is completed, the bag body 1 that has been sealed for the first time is rolled on the bag rolling rod 4 through the bag rolling rod 4 and rolled at least twice. After rolling, the sealing block 7 is unscrewed and hung on an easy-to-rotate portion through a rope 13. Then, the clamping block 8 in the placement groove 6 is taken out of the placement groove 6 through the handle 10 and clamped on the bag rolling rod 4 that has rolled the bag body 1 more than twice, completing the second sealing of the food packaging bag, thereby improving the sealing effect of the food packaging bag and avoiding the sealing strip 2 from loosening due to loose sealing, causing the leakage of food odor and thus causing the occurrence of food odor contamination.

[0038] When the food packaging bag needs to be opened, the card block 8 only needs to be separated from the bag rolling rod 4 and the bag body 1, and the card block 8 is placed in the placement groove 6. The card block 8 is fixed in the placement groove 6 by the sealing block 7 for next use, and then the sealing strip 2 is opened by the easy-opening portion 5 to open the food packaging bag.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the design concept of the present invention should be included in the protection scope of the present invention.

Claims

1. A leakproof food packaging bag, comprising a bag body (1), wherein a sealing strip (2) and a sealing groove (3) are installed at the bag opening of the bag body (1), characterized in that: A bag rolling rod (4) is installed on one side of the bag opening of the bag body (1), and an easy-opening portion (5) is provided on the other side. A frosted surface is provided on one surface of the easy-opening portion (5). A placement groove (6) is opened on the bag rolling rod (4). A sealing block (7) is threadedly connected to the mouth of the placement groove (6), and a clamping block (8) is slidably installed in the placement groove (6).

2. The leakproof food packaging bag according to claim 1, characterized in that: Easy-to-rotate blocks (9) are installed at both ends of the bag rolling rod (4); the diameter of the easy-to-rotate blocks (9) is greater than the diameter of the bag rolling rod (4).

3. The leakproof food packaging bag according to claim 2, characterized in that: A handle (10) is installed at one end of the clamping block (8), and a clearance groove (11) for the handle (10) to be placed is opened on the side wall of the easy-rotation block (9).

4. The leakproof food packaging bag according to claim 3, characterized in that: The surface of the easy-to-rotate block (9) is provided with a knurled pattern.

5. The leakproof food packaging bag according to claim 2, characterized in that: A plurality of rubber protrusions (12) are provided on the surface of the bag rolling rod (4) and the inner side wall of the mouth of the clamping block (8).

6. The leakproof food packaging bag according to claim 5, characterized in that: The sealing block (7) is connected to the easy-rotating block (9) via a rope (13).

7. The leakproof food packaging bag according to claim 6, characterized in that: The mouth of the clamping block (8) is provided with a bevel (14).

8. The leakproof food packaging bag according to claim 7, characterized in that: The bag body (1) is translucent.

Citation Information

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