Food storage backpack

Abstract

The utility model relates to the technical field of knapsacks, in particular to a food storage knapsack which comprises a knapsack body and a back plate, the back plate is connected to the rear side of the knapsack body, shoulder straps are connected to the rear side of the knapsack body, a first opening is formed in the top of the knapsack body, and a zipper is installed on the first opening. An inner bag made of non-breathable fabric is arranged in the bag body, the aluminum foil layer surrounds the outer side of the inner bag, one side of the inner bag is communicated with an extraction valve, an avoiding hole is formed in one side of the bag body, the extraction valve penetrates out of the avoiding hole, a second opening is formed in the top of the inner bag, and a concave-convex pressing strip is installed on the second opening. After hot food is put into the inner bag by opening the second opening, the concave-convex pressing strips are pressed to seal the second opening, then an air pump is adopted to extract air into the inner bag through the air extraction valve, so that the interior of the inner bag is in a vacuum compression state, the food storage volume of the inner bag is reduced, outdoor carrying is facilitated, the inner bag is surrounded by the aluminum foil layer, and the service life of the inner bag is prolonged. The heat-insulating effect is improved.

Description

Technical Field

[0001] This utility model relates to the field of backpack technology, and in particular to a food storage backpack. Background Technology

[0002] With the rise of outdoor sports, backpacks, as an important piece of outdoor equipment, have been equipped with a variety of functions and uses. Backpacks are characterized by their wide variety of products, strong targeting capabilities, and comprehensive functions. The essence of outdoor products is to meet people's needs in outdoor life. Nowadays, hiking and picnics have also become important outdoor activities. However, existing backpacks lack the function of keeping hot food warm. The few insulated bags that do have this function are bulky and inconvenient to carry outdoors. Moreover, their insulation effect is generally average, especially after a long time, when they lose their insulation effect. Utility Model Content

[0003] In order to overcome the shortcomings of the existing technology, the purpose of this utility model is to provide a food storage backpack that reduces the food storage volume, is easy to carry outdoors, and has good heat preservation effect.

[0004] The technical solution adopted in this utility model is as follows:

[0005] A food storage backpack includes a bag body and a back panel. The back panel is connected to the rear side of the bag body and has a shoulder strap connected to the rear side. The top of the bag body has a first opening with a zipper installed on it. The backpack is characterized in that: the inner side of the bag body has an aluminum foil layer, and the inside of the bag body has an inner bag made of non-breathable fabric. The aluminum foil layer surrounds the outer side of the inner bag. One side of the inner bag is connected to an air extraction valve. One side of the bag body has a clearance hole through which the air extraction valve passes. The top of the inner bag has a second opening with a raised and recessed embossed strip installed on it.

[0006] Preferably, a folding storage compartment is connected between the back panel and the bag body.

[0007] Preferably, the folding storage box includes a bottom plate and folding components symmetrically arranged on both sides of the bottom plate. The bottom plate is hinged to the front bottom of the back plate. The folding components include a first vertical bar, a second vertical bar, a first folding plate, and a second folding plate. The first vertical bar is fixed to the front side of the back plate, the second vertical bar is fixed to the rear side of the bag body, the front side of the first folding plate is hinged to the second folding plate, and its rear side is hinged to the first vertical bar. The front side of the second folding plate is hinged to the second vertical bar.

[0008] Preferably, a protrusion is provided on one side of the first vertical strip, and a locking block is rotatably connected to one side of the second vertical strip, with the locking block movably engaging with the outside of the protrusion.

[0009] Preferably, a first horizontal bar connects the bottom of the two first vertical bars, and a second horizontal bar connects the bottom of the two second vertical bars.

[0010] Preferably, the upper side of the second horizontal bar is in contact with the bottom plate, and protrusions are connected to opposite sides of the two second vertical bars. The bottom plate has recesses on both sides, and the two protrusions are respectively engaged in the two recesses.

[0011] Preferably, the device also includes a roll and a cover cloth. The roll is rotatably connected to a shaft and has a through groove on its rear side. One end of the cover cloth is connected to the shaft, and the other end passes through the through groove and is connected to a hook and loop fastener. The top of the back panel is provided with a hook and loop fastener. The hook and loop fastener are movably bonded to each other. One end of the shaft passes through the roll and is connected to a knob.

[0012] Preferably, the inner bag is made of a composite of PA and PE materials.

[0013] Preferably, the top of the bag is provided with a handle.

[0014] Preferably, the embossed strip is provided with a sealing clip.

[0015] The beneficial effects of this utility model are as follows:

[0016] This food storage backpack allows hot food to be placed into the inner bag after opening the second opening. The embossed strips are then pressed together to seal the second opening. An air pump is then used to draw air into the inner bag through the air valve, creating a vacuum compression state inside the inner bag. This reduces the storage volume of food in the inner bag, making it easy to carry outdoors. Furthermore, the inner bag is surrounded by an aluminum foil layer, which improves the heat preservation effect. Attached Figure Description

[0017] Figure 1 This is a diagram showing the folded state of the folding storage box.

[0018] Figure 2 This is a diagram showing the unfolded state of the folding storage box.

[0019] Figure 3 This is a cross-sectional view of the present invention.

[0020] Figure 4 for Figure 3 Enlarged diagram of point A in the middle.

[0021] Figure 5 This is an exploded view of the structure of this utility model.

[0022] Figure 6 This is a schematic diagram of the inner bag structure.

[0023] Figure 7 This is a schematic diagram of the base plate flipping operation.

[0024] Figure 8 This is a partial three-dimensional structural schematic diagram of the present invention.

[0025] In the diagram: 1. Bag body; 2. Back panel; 3. Shoulder strap; 4. First opening; 5. Aluminum foil layer; 6. Inner pocket; 7. Exhaust valve; 8. Clearance hole; 9. Embossed strip; 10. Folding storage box; 11. Bottom plate; 12. Folding assembly; 13. First vertical strip; 14. Second vertical strip; 15. First folding plate; 16. Second folding plate; 17. Protrusion; 18. Locking block; 19. First horizontal strip; 20. Second horizontal strip; 21. Raised surface; 22. Recessed hole; 23. Roll; 24. Cover cloth; 25. Roller; 26. Through groove; 27. Hook and loop fastener; 28. Hook and loop fastener; 29. ​​Knob piece; 30. Handle; 31. Sealing clip. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figures 1-8 This utility model provides a technical solution: a food storage backpack, including a bag body 1 and a back panel 2. The back panel 2 is connected to the back side of the bag body 1, and a shoulder strap 3 is connected to the back side of the back panel. The top of the bag body 1 is provided with a first opening 4, and a zipper is installed on the first opening 4. The inner side of the bag body 1 is provided with an aluminum foil layer 5, and the inside of the bag body 1 is provided with an inner bag 6 made of non-breathable fabric. The aluminum foil layer 5 surrounds the outside of the inner bag 6. An air extraction valve 7 is connected to one side of the inner bag 6. An avoidance hole 8 is provided on one side of the bag body 1, and the air extraction valve 7 passes through the avoidance hole 8. The top of the inner bag 6 is provided with a second opening, and a convex and concave pressing strip 9 is installed on the second opening.

[0028] After opening the first opening 4 and the second opening in sequence, hot food is placed into the inner bag 6. The embossed strip 9 is pressed to form a seal on the second opening. Then, the matching vacuum pump is used to draw air into the inner bag 6 through the vacuum valve 7, so that the inside of the inner bag 6 is in a vacuum state, reducing the storage volume of food in the inner bag 6, reducing the space occupied, and making it easy to carry outdoors. Moreover, the first opening 4 is closed by the zipper, and the inner bag is then surrounded by the aluminum foil layer 5 to improve the heat preservation effect.

[0029] In order to facilitate the storage and placement of tableware and other items, in this embodiment, preferably, a folding storage box 10 is connected between the back panel 2 and the bag body 1. The purpose is to unfold the folding storage box 10, and then store tableware and other items through the folding storage box 10, thereby improving applicability and the storage effect of items, and making the storage of items more organized.

[0030] To facilitate the unfolding of the folding storage box 10, in this embodiment, preferably, the folding storage box 10 includes a base plate 11 and folding components 12 symmetrically arranged on both sides of the base plate 11. The base plate 11 is hinged to the bottom front side of the back plate 2. The folding components 12 include a first vertical bar 13, a second vertical bar 14, a first folding plate 15, and a second folding plate 16. The first vertical bar 13 is fixed to the front side of the back plate 2, and the second vertical bar 14 is fixed to the rear side of the bag body 1. The front side of the first folding plate 15 is hinged to the second folding plate 16, and its rear side is hinged to the first vertical bar 13. The front side of the second folding plate 16 is hinged to the second vertical bar 14. The purpose is to make the first folding plate 15 and the second folding plate 16 fold and unfold relative to each other, so that the first folding plate 15 and the second folding plate 16 form a parallel state. Then, the vertical base plate 11 is flipped to a horizontal state, thereby forming the unfolding effect of the folding storage box 10.

[0031] To improve the structural reliability of the folding storage box 10 when it is folded and closed, and to prevent the folding storage box 10 from being accidentally unfolded, in this embodiment, preferably, a protrusion 17 is provided on one side of the first vertical bar 13, and a locking block 18 is rotatably connected to one side of the second vertical bar 14. The locking block 18 is movably engaged with the outside of the protrusion 17. The purpose is to lock the folding storage box 10 in a locked state by engaging the locking block 18 with the outside of the protrusion 17 when the folding storage box 10 is folded and closed, thereby preventing the folding storage box 10 from being accidentally unfolded.

[0032] To facilitate improved structural stability, in this embodiment, preferably, a first horizontal bar 19 is connected between the bottoms of the two first vertical bars 13, and a second horizontal bar 20 is connected between the bottoms of the two second vertical bars 14. The purpose is to improve structural strength by connecting the first horizontal bar 19 between the two first vertical bars 13, and to improve structural strength by connecting the second horizontal bar 20 between the two second vertical bars 14, thereby improving structural stability.

[0033] To improve the structural stability of the base plate 11 when it is flipped open, in this embodiment, preferably, the upper side of the second horizontal bar 20 is in contact with the base plate 11, and protrusions 21 are connected to opposite sides of the two second vertical bars 14. The base plate 11 has recesses 22 on both sides, and the two protrusions 21 are respectively engaged in the two recesses 22. The purpose is to make the two protrusions 21 engage in the two recesses 22 when the vertical base plate 11 is flipped to the horizontal state, forming a locked state, thereby improving the structural stability of the base plate 11 when it is flipped open.

[0034] To facilitate sealing the top of the folding storage box 10 and prevent items from falling out, this embodiment preferably includes a roller 23 and a cover 24. A roller 25 is rotatably connected inside the roller 23, and a through groove 26 is provided on its rear side. One end of the cover 24 is connected to the roller 25, and the other end passes through the through groove 26 and is connected to a Velcro hook surface 27. The top of the back panel 2 has a Velcro loop surface 28, and the Velcro hook surface 27 and the Velcro loop surface 28 are movably bonded. One end of the roller 25 passes through the roller 23 and is connected to a knob piece 29. When the folding storage box 10 is unfolded, the cover 24 is pulled to rotate the roller 25 relative to the drum 23, forming the unrolled state of the cover 24. Then, the hook side 27 of the Velcro and the loop side 28 of the Velcro are glued together, and the cover 24 seals the top of the folding storage box 10 to prevent items from falling out. When the folding storage box 10 is folded and closed, the roller 25 is rotated by the knob 29, so that the cover 24 retracts from the through slot 26 into the drum 23 and is rolled up on the outside of the roller 25, which makes it easier to store the cover 24.

[0035] To improve the sealing performance of the inner bag 6, in this embodiment, preferably, the inner bag 6 is made of a composite of PA and PE materials.

[0036] In order to facilitate lifting the food storage backpack with one hand, in this embodiment, preferably, the top of the bag body 1 is provided with a handle 30, the purpose of which is to lift the food storage backpack with the handle 30 to improve the convenience of taking and putting it away.

[0037] In order to facilitate the pressing of the convex and concave strip 9, in this embodiment, preferably, the convex and concave strip 9 is provided with a sealing clip 31, the purpose of which is to press the convex and concave strip 9 by pulling the sealing clip 31 to move it horizontally.

[0038] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A food storage backpack, comprising a bag body (1) and a back panel (2), the back panel (2) being connected to the rear side of the bag body (1) and having a shoulder strap (3) connected to its rear side, the top of the bag body (1) having a first opening (4) and a zipper installed on the first opening (4), characterized in that: The inner side of the package (1) is provided with an aluminum foil layer (5), and the inside of the package is provided with an inner bag (6) made of non-breathable fabric. The aluminum foil layer (5) surrounds the outer side of the inner bag (6). An air extraction valve (7) is connected to one side of the inner bag (6). An avoidance hole (8) is provided on one side of the package (1). The air extraction valve (7) passes through the avoidance hole (8). A second opening is provided at the top of the inner bag (6). A convex and concave pressing strip (9) is installed on the second opening.

2. A food storage backpack according to claim 1, characterized in that: A folding storage box (10) is connected between the back panel (2) and the package body (1).

3. A food storage backpack according to claim 2, characterized in that: The folding storage box (10) includes a base plate (11) and folding components (12) symmetrically arranged on both sides of the base plate (11). The base plate (11) is hinged to the bottom front side of the back plate (2). The folding component (12) includes a first vertical bar (13), a second vertical bar (14), a first folding plate (15), and a second folding plate (16). The first vertical bar (13) is fixed to the front side of the back plate (2), and the second vertical bar (14) is fixed to the rear side of the bag body (1). The front side of the first folding plate (15) is hinged to the second folding plate (16), and its rear side is hinged to the first vertical bar (13). The front side of the second folding plate (16) is hinged to the second vertical bar (14).

4. A food storage backpack according to claim 3, characterized in that: The first vertical bar (13) has a protrusion (17) on one side, and the second vertical bar (14) has a locking block (18) rotatably connected to one side, and the locking block (18) is movably locked to the outside of the protrusion (17).

5. A food storage backpack according to claim 3, characterized in that: A first horizontal bar (19) is connected between the bottoms of the two first vertical bars (13), and a second horizontal bar (20) is connected between the bottoms of the two second vertical bars (14).

6. A food storage backpack according to claim 5, characterized in that: The upper side of the second horizontal bar (20) is in contact with the bottom plate (11). The two second vertical bars (14) are connected to protrusions (21) on opposite sides. The bottom plate (11) has recesses (22) on both sides. The two protrusions (21) are respectively engaged in the two recesses (22).

7. A food storage backpack according to claim 3, characterized in that: It also includes a roller (23) and a cover (24). The roller (23) is rotatably connected to a spool (25) and has a through groove (26) on its rear side. One end of the cover (24) is connected to the spool (25), and the other end passes through the through groove (26) and is connected to a hook and loop fastener (27). The top of the back panel (2) is provided with a hook and loop fastener (28). The hook and loop fastener (27) and the hook and loop fastener (28) are movably bonded. One end of the spool (25) passes through the roller (23) and is connected to a knob piece (29).

8. A food storage backpack according to claim 1, characterized in that: The inner bag (6) is made of a composite of PA and PE materials.

9. A food storage backpack according to claim 1, characterized in that: The top of the package (1) is provided with a handle (30).

10. A food storage backpack according to claim 1, characterized in that: The convex-concave pressing strip (9) is provided with a sealing clip (31).

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