Double-layer sealed light-proof aluminum foil bag

Abstract

The utility model relates to the field of packaging bags, in particular to a double-layer sealed light-proof aluminum foil bag. Comprising a bag body, the bag body comprises a front bag surface and a rear bag surface, and a containing cavity is formed between the front bag surface and the rear bag surface; the sealing edges are arranged on the left side and the right side of the belt body and are used for fixedly connecting the side edges of the front bag surface and the rear bag surface; the bag bottom is arranged at the lower end of the bag body; the clamping groove is formed in the inner wall of one side of the containing cavity; the clamping part is arranged on the inner wall of the other side of the containing cavity, and the clamping part and the clamping groove can be connected in a matched and inserted mode; the double-sided adhesive tape is arranged on the inner wall of one side of the accommodating cavity; wherein the front bag surface, the rear bag surface and the bag bottom comprise two aluminum foil layers, a filling cavity is formed between the two aluminum foil layers, and a heat insulation layer is arranged in the filling cavity; according to the utility model, the clamping part is matched with the clamping groove, and the double-sided tape is arranged for double-layer sealing, so that the sealing performance of the opening of the bag body is better, and the thermal insulation performance is better.

Description

Technical Field

[0001] The utility model relates to the field of packaging bags, in particular to a double-layer sealed light-proof aluminum foil bag. Background Art

[0002] Aluminum foil bags are a common packaging material, usually made of a composite material with an aluminum layer.

[0003] The aluminum foil layer provides excellent barrier properties and can effectively prevent the penetration of light, oxygen, moisture and odors, thereby extending the shelf life of products such as food, medicine or cosmetics.

[0004] Aluminum foil bags are lighter than traditional packaging materials such as glass bottles or metal cans, making them easier to carry and use.

[0005] It is often used to package coffee, dried fruits, chocolate and other foods that are easily affected by light and oxygen to maintain their freshness and taste.

[0006] It is suitable for the packaging of medicines, skin care products and other products, and can effectively protect them from pollution and damage from the external environment.

[0007] In the industrial field, aluminum foil bags are also used to package chemicals, electronic components and other products that require higher protection.

[0008] Therefore, there is an urgent need to provide an improved technical solution to solve the above technical problems. Utility Model Content

[0009] The purpose of the utility model is to provide a double-layer sealed light-proof aluminum foil bag in view of the above-mentioned technical problems, which achieves the technical effect of making the bag opening more sealed and having better heat preservation performance.

[0010] In view of this, the utility model provides a double-layer sealed light-proof aluminum foil bag, which is characterized by comprising:

[0011] The bag body and the belt body include a front bag surface and a rear bag surface, and a receiving cavity is formed between the front bag surface and the rear bag surface;

[0012] Edge sealing, which is arranged on the left and right sides of the belt body and is used to fix and connect the side edges of the front bag surface and the back bag surface;

[0013] The bag bottom is arranged at the lower end of the bag body;

[0014] A clamping groove, which is arranged on the inner wall of one side of the accommodating cavity;

[0015] A clamping portion, which is arranged on the inner wall on the other side of the accommodating cavity and can be plugged in with the clamping groove;

[0016] Double-sided tape, the double-sided tape is arranged on the inner wall of one side of the accommodating cavity;

[0017] The front bag surface, the rear bag surface and the bag bottom include: two aluminum foil layers, a filling cavity is arranged between the two aluminum foil layers, and a heat insulation layer is arranged in the filling cavity.

[0018] Furthermore, the heat insulation layer is made of EVA material.

[0019] Furthermore, foldable support plates are provided on both sides of the bag bottom, and the support plates are arranged between the front bag surface and the rear bag surface.

[0020] Furthermore, it also includes:

[0021] The sealing surface is arranged at the upper end of the bag body and has cutting marks on the sealing surface.

[0022] Furthermore, the front pocket surface or the back pocket surface also includes:

[0023] A filling port is arranged in the edge sealing and is used to fill the thermal insulation layer.

[0024] The beneficial effects of the utility model are:

[0025] 1. The utility model performs double-layer sealing by cooperating the clamping part and the clamping groove and setting the double-sided adhesive tape, so that the sealing of the bag opening is better and the heat preservation performance is better.

[0026] 2. The sealing surface of the utility model is connected to the bag body, and the sealing surface is bonded to the front and rear bag surfaces, so that the upper opening of the bag body is in a closed state. Before use, the sealing surface is cut with a knife, and then used. The sealing surface ensures that when the bag body is not in use and is stored, the accommodating cavity of the belt body is always dry and clean to prevent moisture from returning and making it unusable. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the oblique front-view stereoscopic structure of the utility model;

[0028] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model when viewed from an oblique upward angle;

[0029] Figure 3 This is a schematic diagram of the oblique rear-view stereoscopic structure of the utility model;

[0030] Figure 4 It is a structural schematic diagram of the bag surface section of the utility model;

[0031] Figure 5 It is a schematic diagram of the structure of each layer of the bag surface of the utility model;

[0032] Figure 6 It is a schematic structural diagram of the sealing surface of the utility model when viewed from above.

[0033] The symbols in the figure are:

[0034] 1. Front bag surface; 2. Back bag surface; 3. Edge sealing; 4. Bag bottom; 5. Snap-in groove; 6. Snap-in part; 7. Double-sided tape; 8. Accommodating cavity; 9. Aluminum foil layer; 10. Filling cavity; 11. Insulation layer; 12. Filling port; 13. Hand hole; 14. Sealing surface; 15. Support plate. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0036] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0037] Embodiment 1:

[0038] This embodiment provides a double-layer sealed light-proof aluminum foil bag, comprising:

[0039] The bag body and the belt body include a front bag surface 1 and a rear bag surface 2, and a receiving cavity 8 is formed between the front bag surface 1 and the rear bag surface 2;

[0040] Edge sealing 3, which is arranged on the left and right sides of the belt body and is used to fix and connect the side edges of the front pocket surface 1 and the back pocket surface 2;

[0041] The bag bottom 4 is arranged at the lower end of the bag body;

[0042] A snap-fit ​​groove 5, which is arranged on the inner wall of one side of the accommodating cavity 8;

[0043] The clamping portion 6 is arranged on the inner wall of the other side of the accommodating cavity 8, and the clamping portion 6 can be plugged in with the clamping groove 5;

[0044] A double-sided tape 7, which is arranged on the inner wall of one side of the accommodating cavity 8;

[0045] The front bag surface 1 , the rear bag surface 2 and the bag bottom 4 include: two aluminum foil layers 9 , a filling cavity 10 is arranged between the two aluminum foil layers 9 , and a heat insulation layer 11 is arranged in the filling cavity 10 .

[0046] like Figure 1 As shown, the bag body includes a front bag surface 1 and a rear bag surface 2, a bag bottom 4 is arranged at the bottom of the bag body, the top of the bag body is open, a accommodating cavity 8 is formed between the front bag surface 1 and the rear bag surface 2, and the edge sealing 3 can be made of plastic material or tough cloth material, the plastic edge sealing 3 includes two parts, the two parts can be clamped between the two parts of the edge sealing 3 by a buckle-like structure, and when cloth material is used, the side edges of the front bag surface 1 and the rear bag surface 2 can be fixed by sewing thread, and the edge of the bag body can be sealed; the bag bottom 4 is formed integrally with the front bag surface 1 and the rear bag surface 2, so that the three are continuous structures; the clamping groove 5 is made of rubber material, and the clamping groove 5 is in the shape of a dovetail groove, and the cross-section of the clamping part 6 is also in the shape of a dovetail. When the bag body is sealed, the clamping part 6 is clamped in the clamping groove 5, so as to realize The sealing effect is achieved, and the clamping groove 5 is in the shape of a dovetail groove, and the cross-section of the clamping part 6 is also in the shape of a dovetail, which can make the closed structure of the opening more stable and not easy to open; a double-sided tape 7 is provided on the inner wall of one side of the accommodating cavity 8, one side of the double-sided tape 7 is bonded to the inner wall of the accommodating cavity 8, and the other side is provided with an isolation layer before use. When in use, the isolation layer is torn off, and double-layer sealing is performed through the cooperation of the clamping part 6 and the clamping groove 5 and the setting of the double-sided tape 7, so that the sealing of the bag opening is better and the thermal insulation performance is better; the front bag surface 1, the rear bag surface 2 and the bag bottom 4 include two layers of aluminum foil layers 9 and a filling cavity 10 is provided between the two aluminum foil layers 9, and an insulation layer 11 is provided in the filling cavity 10. The aluminum foil layer 9 is made of aluminum foil foam material, so it can ensure the temperature stability of the goods during transportation and prevent the goods from overheating or too low.

[0047] The cooperation of the clamping part 6 and the clamping groove 5 and the double-sided adhesive tape 7 for double-layer sealing can improve the sealing performance of the bag opening and the heat preservation performance.

[0048] Embodiment 2:

[0049] This embodiment provides a double-layer sealed light-proof aluminum foil bag, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0050] The heat insulation layer 11 is made of EVA material.

[0051] EVA material has the following advantages:

[0052] Thermal insulation: EVA has a fine independent bubble structure with small air convection, so the thermal conductivity is low.

[0053] Shock absorption and cushioning: EVA is light in weight, elastic and has good shock-proof performance.

[0054] Anti-aging: antibacterial, oil-resistant, alkali-resistant, acid-resistant and chemical-resistant. The service life is more than 25 years.

[0055] Very low water absorption: low density and excellent floating properties.

[0056] Low temperature resistance: The physical properties do not change under the conditions of -170℃ to 105℃, and items at different temperatures can be stored without being easily damaged.

[0057] Flame retardancy: EVA has been formulated to be flame retardant, so the items inside the bag can be burned by fire.

[0058] Pollution-free: This product is non-toxic, odorless, and will not mold, worm, or rot.

[0059] Foldable support plates 15 are provided on both sides of the bag bottom 4 , and the support plates 15 are arranged between the front bag surface 1 and the rear bag surface 2 .

[0060] The support plate 15 has a certain strength, and can be a hard paper sheet provided in the interlayer of the bag bottom 4, and a fold is provided in the middle position of the support plate 15. When there is nothing in the bag, several aluminum foil bags are stacked, the bag bottom 4 is folded, and the support plate 15 is folded along the middle position. When opening, the support plate 15 has a certain strength, which can provide stability for the unfolding of the bag bottom 4, so that the aluminum foil bag can be placed.

[0061] Embodiment 3:

[0062] This embodiment provides a double-layer sealed light-proof aluminum foil bag, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0063] Also includes:

[0064] The sealing surface 14 is arranged at the upper end of the bag body and has a cutting mark on it.

[0065] The sealing surface 14 is connected to the bag body, and the sealing surface 14 is bonded to the front and rear bag surfaces 2, so that the upper opening of the bag body is in a closed state. Before use, the sealing surface 14 is cut with a knife, and then used. The sealing surface 14 ensures that when the bag body is not in use and is stored, the accommodating cavity 8 of the belt body is always dry and clean to prevent moisture from returning and making it unusable.

[0066] Also includes:

[0067] The carrying holes 13 are arranged on both sides of the upper end of the bag body.

[0068] The carrying hole 13 is provided to make it more convenient for the user to lift the aluminum foil bag, and a plurality of carrying holes 13 can be provided to serve as spare carrying holes 13 when a single carrying hole 13 is damaged.

[0069] The front pocket surface 1 or the back pocket surface 2 also includes:

[0070] A filling port 12 is provided in the edge sealing 3 , and is used to fill the heat insulation layer 11 .

[0071] Before the heat insulation layer 11 is filled, the edge seal 3 is not installed, and after the heat insulation layer 11 is filled, the filling opening 12 is sealed by the edge seal 3 .

[0072] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the inspiration of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which belong to the scope of protection of the present application.

Claims

1. A double-layer sealed light-proof aluminum foil bag, characterized in that: include: The bag body and the belt body include a front bag surface (1) and a rear bag surface (2), and a receiving cavity (8) is formed between the front bag surface (1) and the rear bag surface (2); Edge sealing (3), the edge sealing (3) is arranged on the left and right sides of the belt body and is used to fix and connect the side edges of the front pocket surface (1) and the rear pocket surface (2); The bag bottom (4) is arranged at the lower end of the bag body; A clamping groove (5), the clamping groove (5) being arranged on an inner wall of one side of the accommodating cavity (8); A clamping portion (6), the clamping portion (6) being arranged on the inner wall of the other side of the accommodating cavity (8), and the clamping portion (6) being capable of being plugged into and matched with the clamping groove (5); A double-sided adhesive tape (7), the double-sided adhesive tape (7) being arranged on an inner wall of one side of the accommodating cavity (8); The front bag surface (1), the rear bag surface (2) and the bag bottom (4) include two aluminum foil layers (9), a filling cavity (10) is provided between the two aluminum foil layers (9), and a heat insulation layer (11) is provided in the filling cavity (10).

2. A double-layer sealed light-proof aluminum foil bag according to claim 1, characterized in that: The heat insulation layer (11) is made of EVA material.

3. A double-layer sealed light-proof aluminum foil bag according to claim 1, characterized in that: Foldable support plates (15) are provided on both sides of the bag bottom (4), and the support plates (15) are arranged between the front bag surface (1) and the rear bag surface (2).

4. The double-layer sealed light-proof aluminum foil bag according to claim 1, characterized in that: Also includes: A sealing surface (14) is arranged at the upper end of the bag body, and a cutting mark is arranged on the sealing surface (14).

5. The double-layer sealed light-proof aluminum foil bag according to claim 1, characterized in that: Also includes: Hand-carrying holes (13) are arranged on both sides of the upper end of the bag body.

6. The double-layer sealed light-proof aluminum foil bag according to claim 1, characterized in that: The front bag surface (1) or the back bag surface (2) further includes: A filling port (12), the filling port (12) is arranged in the edge sealing (3), and the filling port (12) is used to fill the thermal insulation layer (11).

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