Food packaging bag with multiple sealing structures

Abstract

The utility model relates to the technical field of food bags, in particular to a food packaging bag with a multi-sealing structure, which is provided with double-layer sealing through a sealing strip and a threaded cover, has better internal protection performance, optimizes food storage environment and improves reliability. Comprising a food packaging bag, and further comprises a food bag transparent section, a primary sealing strip, a secondary sealing strip, an external thread opening and an internal thread cover, the upper end of the food packaging bag is communicated with the lower end of the food bag transparent section, the front side of the inner end of the food bag transparent section is connected with the inner side of the secondary sealing strip, and the rear side of the inner end of the food bag transparent section is connected with the inner side of the primary sealing strip; the top end of the food bag transparent section is communicated with the bottom end of the external thread opening, and the outer side of the external thread opening is detachably screwed with the inner side of the internal thread cover.

Description

Technical Field

[0001] The utility model relates to the technical field of food bags, in particular to a food packaging bag with a multiple sealing structure. Background Art

[0002] Food packaging bags are generally made of PE polyethylene PP polypropylene. Almost all plastics are made of synthetic resin. Resin is the main component of plastics and acts as an adhesive to glue other components of plastics into a whole. Although adding various additives can change the properties of plastics, resin is the fundamental factor that determines the type, performance and use of plastics.

[0003] In order to preserve food freshness, existing food packaging bags are usually provided with corresponding sealing structures, such as direct plastic sealing or sealing strips, but the sealing effect is limited, or the bags cannot be recycled and have poor reliability. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a food packaging bag with a multiple sealing structure, which is provided with a double-layer seal through a sealing strip and a threaded cover, has better internal protection performance, optimizes the food storage environment, and improves reliability.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a food packaging bag with a multiple sealing structure, comprising a food packaging bag, and also comprising a transparent section of the food bag, a main sealing strip, a sub-sealing strip, an external threaded opening and an internal threaded cover, wherein the upper end of the food packaging bag is connected to the lower end of the transparent section of the food bag, the front side of the inner end of the transparent section of the food bag is connected to the inner side of the sub-sealing strip, the rear side of the inner end of the transparent section of the food bag is connected to the inner side of the main sealing strip, the top end of the transparent section of the food bag is connected to the bottom end of the external threaded opening, and the outer side of the external threaded opening and the inner side of the internal threaded cover are detachably screwed together.

[0008] Preferably, it further comprises a handle piece 1 and a handle piece 2, wherein one side of the lower portion of the outer end of the external thread opening is connected to the inner end of the handle piece 2, and one side of the outer end of the internal thread cover is connected to the inner end of the handle piece 1.

[0009] Preferably, it also includes a handle, and the middle side of the top end of the internal thread cover is connected to the bottom end of the handle.

[0010] Preferably, it further comprises a pull ring, and the middle parts of the front and rear sides of the transparent section of the food bag are respectively connected to the inner ends of a group of pull rings.

[0011] Preferably, a reinforcement strip is further included, and a reinforcement strip is arranged on the outer end of the food packaging bag.

[0012] Preferably, it further comprises an information paper sticker, and the left side of the front end of the food packaging bag is connected to the inner side of the information paper sticker.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a food packaging bag with a multiple sealing structure, which has the following beneficial effects:

[0015] The stored food can be taken out and put in through the external threaded opening. When sealed storage is performed, first observe through the transparent section of the food bag and press the front and back sides of the transparent section of the food bag respectively. The sub-sealing strip is engaged inside the female sealing strip to form a blocking of the transparent section of the food bag to perform a first-stage seal. Then, the internal threaded cover is closed on the outside of the external threaded opening, and the internal threaded cover is screwed on to the external threaded opening to form a two-stage seal. A double-layer seal is set by the sealing strip and the threaded cover, which has better internal protection performance, optimizes the food storage environment, and improves reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an axial view of the schematic diagram of the structure of the utility model;

[0017] Figure 2 For this utility model Figure 1 Right view of;

[0018] Figure 3 For this utility model Figure 1 Front view of

[0019] Figure 4 The utility model is a schematic diagram of the internal structure of the transparent section of the food bag.

[0020] Markings in the attached figure: 1. food packaging bag; 2. transparent section of food bag; 3. main sealing strip; 4. sub-sealing strip; 5. external threaded opening; 6. internal threaded cover; 7. handle piece 1; 8. handle piece 2; 9. handle; 10. pull ring; 11. reinforcement strip; 12. information paper sticker. DETAILED DESCRIPTION

[0021] 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. Example

[0022] See also Figure 1-4, a food packaging bag with a multiple sealing structure, comprises a food packaging bag 1, and also comprises a transparent section 2 of the food bag, a mother sealing strip 3, a sub-sealing strip 4, an external threaded opening 5 and an internal threaded cover 6. The upper end of the food packaging bag 1 is connected to the lower end of the transparent section 2 of the food bag, the front side of the inner end of the transparent section 2 of the food bag is connected to the inner side of the sub-sealing strip 4, the rear side of the inner end of the transparent section 2 of the food bag is connected to the inner side of the mother sealing strip 3, the top of the transparent section 2 of the food bag is connected to the bottom end of the external threaded opening 5, and the outer side of the external threaded opening 5 and the inner side of the internal threaded cover 6 can be detachably screwed together; the stored food can be taken and placed through the external threaded opening 5. When sealed and stored, first observe through the transparent section 2 of the food bag and press the front and rear sides of the transparent section 2 of the food bag respectively, and the sub-sealing strip 4 is engaged inside the mother sealing strip 3 to form a blocking of the transparent section 2 of the food bag, and perform a first-stage sealing, and then cover the internal threaded cover 6 on the outer side of the external threaded opening 5, screw the internal threaded cover 6, and screw it with the external threaded opening 5 to form a two-stage sealing.

[0023] It also includes a handle piece 1 7 and a handle piece 2 8. One side of the lower outer end of the external threaded opening 5 is connected to the inner end of the handle piece 2 8, and one side of the outer end of the internal threaded cover 6 is connected to the inner end of the handle piece 1 7. When the internal threaded cover 6 is screwed, the handle piece 1 7 and the handle piece 2 8 can be pinched and acted on respectively, so as to better apply force, make the screwing tighter, and facilitate unscrewing.

[0024] A handle 9 is also included, and the middle side of the top end of the internal thread cover 6 is connected to the bottom end of the handle 9; the handle 9 is convenient for people to hook and carry with their hands, thereby improving convenience.

[0025] It also includes a pull ring 10, and the middle parts of the front and rear sides of the transparent section 2 of the food bag are respectively connected to the inner ends of a group of pull rings 10; when the mother sealing strip 3 and the child sealing strip 4 are disassembled, the pull rings 10 on both sides can be respectively held with both hands, which is more convenient for applying force.

[0026] The food packaging bag 1 also includes a reinforcement strip 11 , which is disposed at the outer end of the food packaging bag 1 ; the outer side of the food packaging bag 1 can be reinforced by the reinforcement strip 11 to prevent the food packaging bag 1 from being easily broken or damaged on the outer side, thereby improving reliability.

[0027] The food packaging bag 1 also includes an information paper sticker 12. The left side of the front end of the food packaging bag 1 is connected to the inner side of the information paper sticker 12. The food information contained in the food packaging bag 1 can be filled in through the information paper sticker 12, which is convenient for identification and improves convenience.

[0028] In summary, when a food packaging bag with a multiple sealing structure is used, the stored food can be taken out and put in through the external threaded opening 5. When sealed and stored, first observe through the transparent section 2 of the food bag and press the front and rear sides of the transparent section 2 of the food bag respectively, and the sub-sealing strip 4 is engaged inside the female sealing strip 3 to form a blockage of the transparent section 2 of the food bag, and then the internal threaded cover 6 is covered on the outside of the external threaded opening 5, and the handle piece 1 7 is pinched to screw the internal threaded cover 6, and the handle piece 2 8 is pinched to make the external threaded opening 5 The food packaging bag 1 is fixed and screwed together with the external threaded mouth 5 and tightened to form a two-stage seal. The handle 9 is convenient for people to hold and carry with their hands to improve convenience. When disassembling the mother sealing strip 3 and the child sealing strip 4, the pull rings 10 on both sides can be respectively held with both hands, which is more convenient for applying force. The outer side of the food packaging bag 1 can be reinforced through the reinforcement strip 11 to prevent the food packaging bag 1 from being easily broken and damaged on the outside, thereby improving reliability. The information paper sticker 12 can be used to fill in the food information contained in the food packaging bag 1, which is convenient for identification and improves convenience.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A food packaging bag with a multiple sealing structure, comprising a food packaging bag (1), characterized in that: It also comprises a transparent section (2) of a food bag, a mother sealing strip (3), a sub-sealing strip (4), an external threaded opening (5) and an internal threaded cover (6); the upper end of the food packaging bag (1) is connected to the lower end of the transparent section (2) of the food bag, the front side of the inner end of the transparent section (2) of the food bag is connected to the inner side of the sub-sealing strip (4), the rear side of the inner end of the transparent section (2) of the food bag is connected to the inner side of the mother sealing strip (3), the top end of the transparent section (2) of the food bag is connected to the bottom end of the external threaded opening (5), and the outer side of the external threaded opening (5) and the inner side of the internal threaded cover (6) are detachably screwed together.

2. The food packaging bag with a multiple sealing structure according to claim 1, characterized in that: It also comprises a handle piece 1 (7) and a handle piece 2 (8), wherein one side of the lower portion of the outer end of the external thread opening (5) is connected to the inner end of the handle piece 2 (8), and one side of the outer end of the internal thread cover (6) is connected to the inner end of the handle piece 1 (7).

3. The food packaging bag with a multiple sealing structure according to claim 1, characterized in that: It also includes a handle (9), and the middle side of the top end of the internal thread cover (6) is connected to the bottom end of the handle (9).

4. The food packaging bag with a multiple sealing structure according to claim 1, characterized in that: It also comprises a pull ring (10), wherein the middle parts of the front and rear sides of the transparent section (2) of the food bag are respectively connected to the inner ends of a group of pull rings (10).

5. The food packaging bag with a multiple sealing structure according to claim 1, characterized in that: It also comprises a reinforcement strip (11), and the outer end of the food packaging bag (1) is provided with a reinforcement strip (11).

6. The food packaging bag with a multiple sealing structure according to claim 1, characterized in that: It also comprises an information paper sticker (12), and the left side of the front end of the food packaging bag (1) is connected to the inner side of the information paper sticker (12).

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