Vacuum packaging bag

Abstract

The utility model discloses a vacuum packaging bag which comprises an outer bag, an inner bag is arranged in the outer bag, a first pocket is arranged at the top end of the outer bag, a reinforcing assembly is arranged at the top end of the first pocket, an air exhaust nozzle is arranged on one side of the outer bag, an air outlet is formed in the outer wall of the inner bag, and a self-sealing groove is formed in the inner wall of the first pocket. A self-sealing strip matched with the self-sealing groove is arranged on the side, away from the self-sealing groove, in the first pocket. The vacuum packaging bag has the beneficial effects that by arranging the reinforcing assembly, after self-sealing of the first pocket is completed, one-step reinforcing can be conducted on the first pocket, the situation that use of the vacuum packaging bag is affected due to opening of a self-sealing opening caused by external force pulling is prevented, the packaging bag is arranged to be of a big-end-down conical structure, the filling capacity can be enlarged, and the applicability of the packaging bag is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging bags, in particular to a vacuum packaging bag. Background Art

[0002] Packaging bags refer to bags used to package various supplies, which make it convenient to transport and store goods during the production and circulation process. They are widely used in daily life and industrial production.

[0003] According to a vacuum packaging bag disclosed in Chinese patent CN202321267974.7, the application includes a bag body, a sealing group is arranged on the upper end of the bag body, and an exhaust component is glued to the middle part of the front end of the bag body, so that the fitting inclined surface is arranged corresponding to the inclined surface. The exhaust pressure will easily separate the middle bag from the rubber ring, and the outside air entering the inner cavity of the outer bag and the middle bag will squeeze the middle bag and the rubber ring, thereby increasing the fitting strength, reducing the outside air from directly flowing into the packaging bag due to the sealing problem of the exhaust component, or the reduction of the fresh-keeping effect caused by the damage of the outer packaging bag, thereby increasing the practical ability. The existing vacuum packaging bags are mainly connected together by self-sealing strips, which are easily torn apart under the action of external force, affecting the use.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a vacuum packaging bag to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A vacuum packaging bag comprises an outer bag, an inner bag is arranged in the outer bag, a pocket 1 is arranged at the top of the outer bag, a reinforcement component is arranged at the top of the pocket 1, an air suction nozzle is arranged on one side of the outer bag, an air outlet is arranged on the outer wall of the inner bag, a self-sealing groove is arranged on the inner wall of the pocket 1, and a self-sealing strip matching the self-sealing groove is arranged in the pocket 1 and on one side away from the self-sealing groove.

[0008] Preferably, the outer bag is provided with symmetrically arranged carrying straps on both sides, and the carrying straps are provided with carrying holes.

[0009] Preferably, the carrying strap is fixedly connected to the outer bag via a connecting strap.

[0010] Preferably, both sides of the outer bag are provided with symmetrically arranged reinforcement belts.

[0011] Preferably, the air extraction nozzle is provided with a matching cap, and the cap is threadedly connected to the air extraction nozzle.

[0012] Preferably, the reinforcement component includes a pocket 2 provided at the top of the pocket 1, and a zipper is provided in the pocket 2.

[0013] Preferably, a cover cloth is provided on one side of pocket two, Velcro 1 is provided on one side of the cover cloth, and Velcro 2 is provided on the side of pocket two away from Velcro 1.

[0014] Preferably, the outer bag and the inner bag both have a conical structure that is small at the top and large at the bottom.

[0015] The beneficial effects of the utility model are as follows: by arranging a reinforcement component, the bag can be reinforced in one step after it is self-sealed, so as to prevent the self-sealing opening from being opened due to external pulling, which affects the use of the vacuum packaging bag; and by arranging the packaging bag into a conical structure with a small top and a large bottom, the filling capacity can be expanded and its applicability can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a schematic diagram of the overall structure of a vacuum packaging bag according to an embodiment of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of an inner and outer bag of a vacuum packaging bag according to an embodiment of the utility model;

[0019] Figure 3 This is a cross-sectional view of an inner and outer bag of a vacuum packaging bag according to an embodiment of the utility model;

[0020] Figure 4 This is a schematic structural diagram of a pocket 1 in a vacuum packaging bag according to an embodiment of the utility model;

[0021] Figure 5 This is a schematic structural diagram of a pocket in a vacuum packaging bag according to an embodiment of the utility model from another angle;

[0022] Figure 6 It is a schematic structural diagram of pocket 2 in a vacuum packaging bag according to an embodiment of the utility model.

[0023] In the figure:

[0024] 1. Outer pocket; 2. Inner pocket; 3. Pocket one; 4. Pocket two; 5. Exhaust nozzle; 6. Air outlet; 7. Self-sealing groove; 8. Self-sealing strip; 9. Carrying strap; 10. Carrying hole; 11. Connecting strap; 12. Reinforcement strap; 13. Cover cap; 14. Zipper; 15. Cover cloth; 16. Velcro one; 17. Velcro two. DETAILED DESCRIPTION

[0025] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0026] According to an embodiment of the utility model, a vacuum packaging bag is provided.

[0027] Embodiment 1;

[0028] like Figure 1-6 As shown, the vacuum packaging bag according to the embodiment of the utility model includes an outer bag 1, an inner bag 2 is arranged in the outer bag 1, a pocket 3 is arranged at the top of the outer bag 1, a reinforcement component is arranged at the top of the pocket 3, an air suction nozzle 5 is arranged on one side of the outer bag 1, an air outlet 6 is arranged on the outer wall of the inner bag 2, a self-sealing groove 7 is arranged on the inner wall of the pocket 3, and a self-sealing strip 8 matching the self-sealing groove 7 is arranged in the pocket 3 on one side away from the self-sealing groove 7.

[0029] Embodiment 2:

[0030] like Figure 1-6As shown, the vacuum packaging bag according to the embodiment of the utility model comprises an outer bag 1, an inner bag 2 is arranged in the outer bag 1, a pocket 3 is arranged at the top of the outer bag 1, a reinforcement component is arranged at the top of the pocket 3, an air suction nozzle 5 is arranged on one side of the outer bag 1, an air outlet 6 is provided on the outer wall of the inner bag 2, a self-sealing groove 7 is provided on the inner wall of the pocket 3, and a self-sealing strip 8 matching therewith is provided in the pocket 3 and on the side away from the self-sealing groove 7. Both sides of the outer bag 1 are provided with symmetrically arranged carrying straps 9, and the carrying straps 9 are provided with carrying holes 10. The carrying straps 9 are fixedly connected to the outer bag 1 through a connecting strap 11. Both sides of the outer bag 1 are provided with symmetrically arranged reinforcement straps 12. The air suction nozzle 5 is provided with a cap 13 matching therewith, and the cap 13 is threadedly connected to the air suction nozzle 5. The outer bag 1 and the inner bag 2 both have a conical structure with a small top and a large bottom. When in use, put the items into the inner bag 2 and then self-seal the bag 3 through the self-sealing strip 8 and the self-sealing groove 7. Then, connect the external vacuum device to the vacuum nozzle 5 to evacuate it, tighten the cap 13, and provide a carrying strap 9 and a lifting hole 10 to facilitate people to carry the packaging bag. The overall strength of the packaging bag is improved by providing a reinforcement belt 12. By setting the packaging bag into a conical structure with a small top and a large bottom, the filling capacity can be expanded and its applicability can be improved.

[0031] Embodiment three;

[0032] like Figure 1-6 As shown, the vacuum packaging bag according to the embodiment of the utility model comprises an outer bag 1, an inner bag 2 is arranged in the outer bag 1, a pocket 1 3 is arranged at the top of the outer bag 1, a reinforcement component is arranged at the top of the pocket 1 3, a suction nozzle 5 is arranged on one side of the outer bag 1, an air outlet 6 is arranged on the outer wall of the inner bag 2, a self-sealing groove 7 is arranged on the inner wall of the pocket 1 3, and a self-sealing strip 8 matching the self-sealing groove 7 is arranged in the pocket 1 3 on the side away from the self-sealing groove 7. The reinforcement component comprises a pocket 2 4 arranged at the top of the pocket 1 3, a zipper 14 is arranged in the pocket 2 4. A cover cloth 15 is arranged on one side of the pocket 2 4, a Velcro 1 16 is arranged on one side of the cover cloth 15, and a Velcro 2 17 is arranged on the side of the pocket 2 4 away from the Velcro 1 16. When pocket 1 3 is self-sealed, pocket 2 4 is closed by zipper 14, and then cover cloth 15 is covered on pocket 2 4, and cover cloth 15 is fixed by Velcro 1 16 and Velcro 2 17. By setting a reinforcement component, pocket 1 can be reinforced in one step after self-sealing to prevent the self-sealing opening from being opened due to external force, which affects the use of the vacuum packaging bag.

[0033] In actual application, the items are placed in the inner bag 2 and then the pocket 1 3 is self-sealed through the self-sealing strip 8 and the self-sealing groove 7, and then it is connected to the vacuum nozzle 5 through an external vacuum device to evacuate it, and the cap 13 is tightened. By providing a carrying strap 9 and a carrying hole 10, it is convenient for people to carry the packaging bag, and by providing a reinforcement belt 12, the overall strength of the packaging bag is improved. By providing the packaging bag into a conical structure with a small top and a large bottom, the filling capacity can be expanded and its applicability can be improved; when the pocket 1 3 is self-sealed, the pocket 2 4 is closed by the zipper 14, and then the cover cloth 15 is covered on the pocket 2 4, and the cover cloth 15 is fixed by Velcro 1 16 and Velcro 2 17. By providing a reinforcement component, the pocket 1 can be reinforced in one step after it is self-sealed to prevent the self-sealing mouth from opening due to external pulling, which affects the use of the vacuum packaging bag.

[0034] In summary, with the aid of the above-mentioned technical solution of the utility model, the mold can further reinforce the bag after it is self-sealed by setting a reinforcement component to prevent the self-sealing mouth from opening due to external pulling, which affects the use of the vacuum packaging bag. By setting the packaging bag into a conical structure with a small top and a large bottom, the filling capacity can be expanded and its applicability can be improved.

[0035] 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 spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A vacuum packaging bag, characterized in that: The invention comprises an outer bag (1), wherein an inner bag (2) is arranged in the outer bag (1), a pocket (3) is arranged at the top of the outer bag (1), a reinforcing component is arranged at the top of the pocket (3), a suction nozzle (5) is arranged on one side of the outer bag (1), an air outlet (6) is arranged on the outer wall of the inner bag (2), a self-sealing groove (7) is arranged on the inner wall of the pocket (3), and a self-sealing strip (8) matching the self-sealing groove (7) is arranged in the pocket (3) on one side away from the self-sealing groove (7).

2. A vacuum packaging bag according to claim 1, characterized in that: The outer bag (1) is provided with symmetrically arranged carrying straps (9) on both sides, and the carrying straps (9) are provided with carrying holes (10).

3. A vacuum packaging bag according to claim 2, characterized in that: The carrying strap (9) is fixedly connected to the outer bag (1) via a connecting strap (11).

4. A vacuum packaging bag according to claim 1, characterized in that: Both sides of the outer bag (1) are provided with symmetrically arranged reinforcement belts (12).

5. A vacuum packaging bag according to claim 1, characterized in that: The air extraction nozzle (5) is provided with a cover cap (13) matching therewith, and the cover cap (13) is threadedly connected to the air extraction nozzle (5).

6. A vacuum packaging bag according to claim 1, characterized in that: The reinforcement component comprises a pocket 2 (4) provided at the top of the pocket 1 (3), and a zipper (14) is provided in the pocket 2 (4).

7. A vacuum packaging bag according to claim 6, characterized in that: A cover cloth (15) is provided on one side of the pocket two (4), a Velcro one (16) is provided on one side of the cover cloth (15), and a Velcro two (17) is provided on the side of the pocket two (4) away from the Velcro one (16).

8. The vacuum packaging bag according to claim 1, characterized in that: The outer bag (1) and the inner bag (2) both present a conical structure that is small at the top and large at the bottom.

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