High-toughness food packaging bag

Abstract

The utility model discloses a high-toughness food packaging bag, which belongs to the technical field of packaging supplies and comprises a main body, heat sealing strips are formed on two sides of the main body through heat sealing, each heat sealing strip is sequentially provided with a plurality of embedding openings and a slide way along the length direction of the heat sealing strip, and an elastic piece capable of penetrating through the embedding openings is arranged in the slide way. And the elastic piece can apply elastic force to the inner wall of the embedding opening and is positioned with the inner wall of the embedding opening. According to the high-toughness food packaging bag, a consumer can sequentially sleeve the embedding openings in the main body on the elastic piece according to the requirement of adjusting the depth of the internal space of the main body, so that the consumer can more conveniently and sanitarily take out food contained in the main body one by one.

Description

Technical Field

[0001] This utility model relates to the field of packaging materials technology, specifically to high-toughness food packaging bags. Background Technology

[0002] Packaging bags are flexible or semi-flexible containers used to contain, protect, carry, or display goods.

[0003] Existing food packaging bags can be printed with product photos and other information on their surface. In order to ensure that the information on the surface of the packaging bag is not easily obscured due to deformation of the packaging bag before it is sold to consumers, existing packaging bags are usually made of high-toughness film materials such as biaxially oriented nylon film.

[0004] For foods like candied fruit that are meant to be consumed within a long time, it becomes inconvenient for consumers to hygienically take out each piece when the amount inside the packaging bag is reduced to a small quantity. Simply crushing and bending the packaging bag to reduce its volume can easily cause it to slowly unfold due to the bag's flexibility, and the bent structure cannot be fixed for a long time.

[0005] To address the above problems, a technical solution for food packaging bags is proposed. Utility Model Content

[0006] The purpose of this invention is to solve the problems in the prior art by proposing a high-toughness food packaging bag.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: a high-toughness food packaging bag, comprising a main body, with heat-sealing strips formed on both sides of the main body by heat sealing, wherein the heat-sealing strip is provided with a plurality of interlocking openings and a slide rail in sequence along its length direction, wherein an elastic element is provided in the slide rail that can pass through the plurality of interlocking openings, and the elastic element can apply elastic force to the inner wall of the interlocking opening and form a positioning with the inner wall of the interlocking opening.

[0008] The present invention is further configured such that: the elastic element has a multi-layer folded structure, and the slide rail is provided with a slide rail at both ends fixedly bonded to the heat-sealing strip, and the elastic element can slide and extend along the slide rail.

[0009] The present invention is further configured such that when the elastic element is not extended, its side end face is bonded by a destructible adhesive.

[0010] The present invention is further configured such that: a snap-fit ​​groove is formed on one side of the elastic member, and when the elastic member is fully unfolded, the cross-sectional length of the elastic member at the position where the snap-fit ​​groove is formed is not greater than the cross-sectional length of the fitting opening in the same direction.

[0011] The present invention is further configured such that the opening for accommodating the elastic element through the slide is located on one side of the heat-sealing strip and extends to one end of the heat-sealing strip.

[0012] The present invention is further configured such that the opening is located at a position where the guiding elastic element is close to the surface of the main body in a direction that is close to it.

[0013] In summary, this utility model has the following beneficial effects: consumers can sequentially fit the fitting openings on the main body onto the elastic element according to their needs for adjusting the depth of the internal space, making it easier and more hygienic for consumers to remove the food contained inside the main body one by one. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 ;

[0015] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0016] Figure 3 This is a partial schematic diagram of the main body of the present utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the elastic element of this utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the present invention. Figure 2 .

[0019] In the diagram: 1. Main body; 11. Fitting opening; 12. Slide rail; 2. Elastic element; 21. Snap-fit ​​groove; 3. Slide rail. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] High-strength food packaging bags, such as Figures 1 to 5As shown, the device includes a main body 1 made of biaxially oriented nylon film. Heat-sealing strips are formed on both sides of the main body 1 by heat sealing. The bottom and top of the main body 1 are also heat-sealed. Several interlocking openings 11 and a slide 12 are arranged sequentially along the length of the heat-sealing strip. One end of the heat-sealing strip is cut to form an easy-tear opening. The slide 12 is located at the other end of the easy-tear opening. An elastic element 2 that can pass through several interlocking openings 11 is provided in the slide 12. The elastic element 2 can apply elastic force to the inner wall of the interlocking opening 11 and form a positioning with the inner wall of the interlocking opening 11. The elastic element 2 is made of biaxially oriented nylon film, which has high mechanical strength and good rebound effect after bending. The elastic element 2 has a multi-layer folded structure. A slide rail 3 with both ends fixedly bonded to the heat-sealing strip is provided in the slide 12. The elastic element 2 can slide and extend along the slide rail 3. When the elastic element 2 is not extended, its side end face is bonded by a destructible adhesive.

[0022] Regarding the positioning method of the fitting opening 11 and the elastic strip, a snap-fit ​​groove 21 is formed on one side of the elastic member 2. After the elastic member 2 is fully unfolded, its cross-sectional length at the position where the snap-fit ​​groove 21 is formed is not greater than the cross-sectional length of the fitting opening 11 in the same direction. That is, by inserting the main body 1 into the snap-fit ​​groove 21 at the position of the fitting opening 11, the positioning of the two can be completed.

[0023] In its initial state, the surface of the main body 1 is smooth, natural, and flat;

[0024] After the consumer consumes a certain amount of the contents of the packaging bag, some of the adhesive drips can be broken to allow the elastic element 2 to unfold and release its elastic potential energy. Then, according to the amount of food consumed in the packaging bag, the fitting openings 11 near the slide 12 are successively inserted into the elastic element 2 by bending the main body 1. The bending position of the main body 1 is between the two pairs of adjacent fitting openings 11 on both sides of the main body 1. After each fitting opening 11 is inserted into the elastic element 2, the main body 1 tends to return to its original position due to the bending position, causing the elastic element 2 to contract. At the same time, the snap-fit ​​groove 21 of the elastic element 2 constrains the main body 1, thereby achieving a positioning effect. In this embodiment, one snap-fit ​​groove 21 can accommodate the thickness structure insertion of two fitting openings 11, and a total of three snap-fit ​​grooves 21 are provided.

[0025] like Figure 3 as well as Figure 4 As shown, in order to improve the ease of insertion of the elastic element 2 and the slide rail 3 in the manufacture of this product, the opening of the slide rail 12 to accommodate the elastic element 2 is opened on one side of the heat seal strip and extends to one end of the heat seal strip. That is, the manufacturer can use a production line process similar to that of a spout bag to assemble and produce the packaging bag. Considering the convenience of transportation, the opening is opened at a position that guides the elastic element 2 to approach the surface of the main body 1 in a similar direction. That is, the opening and the projection of the slide rail 3 on the surface of the main body 1 are offset and staggered.

[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0027] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A high-toughness food packaging bag comprising a main body (1), both sides of the main body (1) being formed with heat-sealed strips by heat sealing, characterized in that: The heat-sealing strip is provided with a plurality of insertion openings (11) and a sliding channel (12) along its length direction, the sliding channel (12) is provided with an elastic member (2) capable of passing through the plurality of insertion openings (11), the elastic member (2) is capable of applying elastic force to the inner wall of the insertion opening (11) and is positioned with the inner wall of the insertion opening (11).

2. The high tenacity food packaging bag of claim 1, wherein: The elastic member (2) is in a multi-layer folded structure, the sliding channel (12) is provided with a sliding rail (3) with two ends fixedly connected with the heat-sealing strip, and the elastic member (2) is capable of slidingly extending along the sliding rail (3).

3. The high tenacity food packaging bag of claim 2, wherein: When the elastic member (2) is not extended, the side end surface thereof is connected by a breakable glue drop.

4. The high tenacity food packaging bag of claim 2, wherein: One side of the elastic member (2) is formed with a clamping groove (21), and the cross-sectional length of the elastic member (2) at the position where the clamping groove (21) is formed is not greater than the cross-sectional length of the insertion opening (11) in the same direction after the elastic member (2) is completely unfolded.

5. The high tenacity food packaging bag of claim 2, wherein: The opening for accommodating the elastic member (2) is arranged on one side of the heat-sealing strip and extends to one end of the heat-sealing strip.

6. The high tenacity food packaging bag of claim 5, wherein: The opening is arranged at a position for guiding the elastic member (2) to approach the surface of the main body (1) in the approaching direction.

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