Sealing packaging bag internally provided with food-grade inner film

Abstract

The utility model discloses a sealed packaging bag internally provided with a food-grade inner film, belongs to the technical field of food packaging bags, and aims to solve the technical problem that the sealing effect of a food packaging bag in the prior art is poor. The sealing packaging bag internally provided with the food-grade inner film comprises a food packaging bag body. The fixed ring seat is arranged at the top end of the food packaging bag body; the threaded ring seat is arranged on the fixed ring seat, the threaded ring seat is communicated with the interior of the food packaging bag body, and an aluminum sealing film is arranged at a port of the threaded ring seat; the threaded ring seat is arranged on the fixing ring seat, the threaded cap covers the threaded ring seat, conical thorns capable of puncturing and scratching the aluminum sealing film are arranged on the inner end wall of the threaded cap, and the fixing ring seat is located on the front face of the food packaging bag body. The sealing packaging bag internally provided with the food-grade inner film is easy to operate, stable in structure and better in sealing effect, the whole sealing packaging bag is designed to be flat, the occupied space is reduced, batch stacking storage and transportation are facilitated, and high practicability is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of food packaging bags, and in particular relates to a sealed packaging bag with a food-grade inner film. Background Art

[0002] Food packaging bags are a type of packaging design that comes into direct contact with food and is used to hold and protect food.

[0003] Traditional food packaging bags usually use ziplocks to seal the bag opening. Such packaging bags are also called ziplock bags, dense bags, keel bags, etc. The ziplocks set at the bag opening can be repeatedly sealed, providing convenience for short-term storage of food. However, the ziplock seal has low stability. In actual applications, food packaging bags sealed with ziplocks are prone to food spoilage due to loose ziplocks. For this reason, the present application proposes a sealed packaging bag with a food-grade inner film. Utility Model Content

[0004] In view of the deficiencies of the prior art, the purpose of the present invention is to provide a sealed packaging bag with a food-grade inner film, aiming to solve the technical problem of poor sealing effect of food packaging bags under the prior art.

[0005] Technical Solution

[0006] In order to solve the above technical problems, the utility model provides a sealed packaging bag with a food-grade inner film, comprising a food packaging bag body; a fixed ring seat arranged at the top of the food packaging bag body; a threaded ring seat arranged on the fixed ring seat, the threaded ring seat is connected to the interior of the food packaging bag body, and an aluminum sealing film is arranged at the port of the threaded ring seat; a threaded cap covered on the threaded ring seat, and a conical thorn capable of piercing and scratching the aluminum sealing film is arranged on the inner end wall of the threaded cap.

[0007] Preferably, the fixing ring seat is located on the front side of the food packaging bag body, and the fixing ring seat is arranged parallel to the front side of the food packaging bag body.

[0008] Preferably, the threaded cap and the threaded ring seat are screw-matched, a fixing plate is fixed between the threaded ring seat and the fixing ring seat, and the fixing plate is used to support the threaded cap so that the cone thorn and the aluminum sealing film are in a separated state.

[0009] Preferably, a sealing gasket is provided on the inner end wall of the threaded cap, and the sealing gasket can abut and seal with the threaded ring seat port.

[0010] Preferably, a marking area is provided on the front side of the food packaging bag body, and the marking area is painted with writing paint.

[0011] Preferably, the top width of the food packaging bag body is smoothly indented from both sides toward the fixing ring seat, the corners of the food packaging bag body are provided with arc chamfers, and the food packaging bag body is composed of a protective layer and a barrier layer bonded to the inner surface of the protective layer.

[0012] Preferably, the protective layer is an aluminum-plated composite film, and the barrier layer is one of biaxially oriented polypropylene and polyethylene.

[0013] Beneficial Effects

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model provides a marking area on the front of the food packaging bag and applies writing paint, so that the food contained in the food packaging bag can be written and marked, and the writing and erasing can be repeated, so that the food packaging bag can be reused. The food packaging bag adopts a structural mode in which a barrier layer is bonded inside a protective layer, the protective layer is selected from one of an aluminum-plated composite film and an aluminum-plated polyester, and the barrier layer is selected from one of biaxially oriented polypropylene and polyethylene, so that a combination of barrier properties, strength, oil resistance, fragrance preservation and the like is achieved, which is more conducive to the storage and preservation of food.

[0016] In the utility model, a threaded ring seat and a threaded cap are arranged on the top of the food packaging bag body, and the threaded cap is continuously tightened, forcing the fixing plate to be disconnected under force, and the cone thorn pierces the aluminum sealing film on the threaded ring seat. In the process of rotating the threaded cap, the cone thorn scratches the aluminum sealing film, and the threaded cap is rotated in the opposite direction to disengage from the threaded ring seat, so that the food in the food packaging bag body can be taken out. After the threaded cap is covered and tightened again, the threaded ring seat can be sealed in cooperation with the sealing gasket, and the food packaging bag body can be sealed for the second time. Compared with the traditional packaging bag using a clip chain sealing method, the structural method of using the threaded cap and the threaded ring seat to seal is easier to operate, has a stable structure, and has a better sealing effect. In addition, since the fixed ring seat is arranged on the front side of the food packaging bag body and is parallel to the front side of the food packaging bag body, the overall flat design reduces the occupied space, is convenient for batch stacking, storage and transportation, and has high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a side sectional view of the threaded ring seat in the utility model;

[0020] Figure 3 For this utility model Figure 2 A in the enlarged view;

[0021] Figure 4 It is a schematic structural diagram of the food packaging bag body in the utility model.

[0022] The markings in the attached drawings are: 1. food packaging bag body; 2. fixing ring seat; 3. threaded ring seat; 4. threaded cap; 5. identification area; 6. aluminum sealing film; 7. sealing gasket; 8. cone thorn; 9. fixing plate; 10. protective layer; 11. barrier layer. DETAILED DESCRIPTION

[0023] 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.

[0024] This embodiment provides a sealed packaging bag with a food-grade inner film, and its structural schematic diagram is as follows: Figure 1 - Figure 4 As shown, it includes a food packaging bag body 1; a fixed ring seat 2 arranged at the top of the food packaging bag body 1; a threaded ring seat 3 arranged on the fixed ring seat 2, the threaded ring seat 3 is connected to the inside of the food packaging bag body 1, and an aluminum sealing film 6 is arranged at the end of the threaded ring seat 3; a threaded cap 4 is covered on the threaded ring seat 3, and a cone thorn 8 that can pierce and scratch the aluminum sealing film 6 is arranged on the inner end wall of the threaded cap 4. By arranging a threaded ring seat 3 and a threaded cap 4 on the top of the food packaging bag body 1, tightening the threaded cap 4, the cone thorn 8 pierces the aluminum sealing film 6 on the threaded ring seat 3, and during the rotation of the threaded cap 4, the cone thorn 8 cuts the aluminum sealing film 6, and then the threaded cap 4 is rotated in the opposite direction to disengage from the threaded ring seat 3, so that the food in the food packaging bag body 1 can be taken out, and after the threaded cap 4 is covered and tightened again, the threaded ring seat 3 can be sealed, which is convenient for the secondary sealing of the food packaging bag body 1. Compared with the traditional packaging bag using a clip chain sealing method, the structural method using the threaded cap 4 and the threaded ring seat 3 for sealing is easier to operate, has a stable structure, and has a better secondary sealing effect.

[0025] As a preferred technical solution in this embodiment, the fixed ring seat 2 is located on the front of the food packaging bag body 1, and the fixed ring seat 2 is arranged parallel to the front of the food packaging bag body 1. This design makes the packaging bag as a whole flat, reduces the occupied space, facilitates batch stacking, storage and transportation, and has high practicality.

[0026] Furthermore, in this embodiment, the threaded cap 4 and the threaded ring seat 3 are screwed together, and a fixing plate 9 is fixed between the threaded ring seat 3 and the fixing ring seat 2. The fixing plate 9 is used to support the threaded cap 4 so that the cone thorn 8 and the aluminum sealing film 6 are separated, and is used to prevent the cone thorn 8 in the threaded cap 4 from piercing the aluminum sealing film 6 during transportation and storage. A sealing gasket 7 is provided on the inner end wall of the threaded cap 4, and the sealing gasket 7 can abut and seal with the port of the threaded ring seat 3, and is used to seal the port of the threaded ring seat 3 after the threaded cap 4 is tightened.

[0027] As a preferred technical solution in this embodiment, a marking area 5 is provided on the front of the food packaging bag body 1, and a writing paint is applied to the marking area 5, which can be used to write and mark the food contained in the food packaging bag body 1, and can be repeatedly written and erased, which is conducive to the reuse of the packaging bag. The width of the top of the food packaging bag body 1 is smoothly indented from both sides toward the fixed ring seat 2, which is convenient for the food in the food packaging bag body 1 to be taken out from the threaded ring seat 3. The corners of the food packaging bag body 1 are provided with arc chamfers to prevent the corners of the food packaging bag body 1 from scratching the skin.

[0028] Furthermore, in this embodiment, the food packaging bag body 1 is composed of a protective layer 10 and a barrier layer 11 bonded to the inner surface of the protective layer 10. The protective layer 10 is made of an aluminum-plated composite film, and the barrier layer 11 is made of one of biaxially oriented polypropylene and polyethylene, thereby achieving a combination of barrier properties, strength, oil resistance, and fragrance preservation, which is more conducive to the storage of food.

[0029] Working principle: By setting a marking area 5 on the front of the food packaging bag body 1 and applying writing paint, the food contained in the food packaging bag body 1 can be written and marked, and it can be repeatedly written and erased, so that the food packaging bag body 1 can be reused. By setting a threaded ring seat 3 and a threaded cap 4 on the top of the food packaging bag body 1, the threaded cap 4 is continuously tightened to force the fixing sheet 9 to break under force, and the cone thorn 8 pierces the aluminum sealing film 6 on the threaded ring seat 3. In the process of rotating the threaded cap 4, the cone thorn 8 scratches the aluminum sealing film 6, and then the threaded cap 4 is rotated in the opposite direction to disengage from the threaded ring seat 3, so that the food in the food packaging bag body 1 can be taken out, and after the threaded cap 4 is covered again and tightened, the threaded ring seat 3 can be sealed with the sealing gasket 7, so as to facilitate the secondary sealing of the food packaging bag body 1. Compared with the traditional packaging bag sealing method using a clip chain, the structural method of using a threaded cap 4 and a threaded ring seat 3 for sealing is easier to operate, has a stable structure, and has a better sealing effect. In addition, since the fixed ring seat 2 is arranged on the front of the food packaging bag body 1 and is parallel to the front of the food packaging bag body 1, the overall flat design reduces the occupied space, facilitates batch stacking, storage and transportation, and has high practicality. Furthermore, the food packaging bag body 1 adopts a structural method in which a barrier layer 11 is bonded inside the protective layer 10, the protective layer 10 is selected from one of an aluminum-plated composite film and an aluminum-plated polyester, and the barrier layer 11 is selected from one of biaxially oriented polypropylene and polyethylene, thereby achieving a combination of barrier properties, strength, oil resistance, and fragrance retention, which is more conducive to the storage of food.

[0030] All technical features in this embodiment can be freely combined according to actual needs.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. 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 sealed packaging bag with a food-grade inner film, characterized in that: include: Food packaging bag body (1); A fixing ring seat (2) arranged at the top end of the food packaging bag body (1); A threaded ring seat (3) is arranged on the fixed ring seat (2), the threaded ring seat (3) is connected to the interior of the food packaging bag body (1), and an aluminum sealing film (6) is arranged at the end of the threaded ring seat (3); A threaded cap (4) is arranged on the threaded ring seat (3), and a cone thorn (8) capable of piercing and scratching the aluminum sealing film (6) is arranged on the inner end wall of the threaded cap (4).

2. The sealed packaging bag with a food-grade inner film according to claim 1, characterized in that: The fixing ring seat (2) is located on the front side of the food packaging bag body (1), and the fixing ring seat (2) is arranged parallel to the front side of the food packaging bag body (1).

3. The sealed packaging bag with a food-grade inner film according to claim 1, characterized in that: The threaded cap (4) and the threaded ring seat (3) are screw-matched, and a fixing plate (9) is fixed between the threaded ring seat (3) and the fixing ring seat (2). The fixing plate (9) is used to support the threaded cap (4) so ​​that the cone thorn (8) and the aluminum sealing film (6) are in a separated state.

4. The sealed packaging bag with a food-grade inner film according to claim 1, characterized in that: A sealing gasket (7) is provided on the inner end wall of the threaded cap (4), and the sealing gasket (7) can abut against and seal against the end of the threaded ring seat (3).

5. The sealed packaging bag with a food-grade inner film according to claim 1, characterized in that: The front side of the food packaging bag body (1) is provided with a marking area (5), and the marking area (5) is painted with writing paint.

6. The sealed packaging bag with a food-grade inner film according to claim 1, characterized in that: The top width of the food packaging bag body (1) is smoothly indented from both sides toward the fixing ring seat (2), and arc chamfers are arranged at the corners of the food packaging bag body (1). The food packaging bag body (1) is composed of a protective layer (10) and a barrier layer (11) bonded to the inner surface of the protective layer (10).

7. The sealed packaging bag with a food-grade inner film according to claim 6, characterized in that: The protective layer (10) is an aluminum-plated composite film, and the barrier layer (11) is one of biaxially oriented polypropylene and polyethylene.

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