CN220925011U - Middle sealing bag - Google Patents
Middle sealing bag Download PDFInfo
- Publication number
- CN220925011U CN220925011U CN202322094129.0U CN202322094129U CN220925011U CN 220925011 U CN220925011 U CN 220925011U CN 202322094129 U CN202322094129 U CN 202322094129U CN 220925011 U CN220925011 U CN 220925011U
- Authority
- CN
- China
- Prior art keywords
- bag body
- seal
- bag
- exhaust valve
- pressing edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 title abstract description 26
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000004806 packaging method and process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 235000009508 confectionery Nutrition 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000008446 instant noodles Nutrition 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Bag Frames (AREA)
Abstract
The utility model discloses a middle sealing bag, which is characterized by comprising a bag body; a left seal and a right seal are arranged in the bag body; the left seal is arranged on one side of the right seal and is connected with the right seal; the left seal and the right seal are connected to enable the middle seal bag to be sealed again; the bag body is provided with holes; a one-way exhaust valve is arranged in the hole; the one-way exhaust valve is provided with an air outlet hole, and the bag body can be extruded after being sealed, so that air in the bag body is exhausted through the air outlet hole on the one-way exhaust valve; after the air is discharged out of the bag body, the objects in the bag body are reduced to be contacted with the air, so that the quality guarantee period of the objects in the middle sealing bag can be prolonged; the utility model has the effects of facilitating resealing the middle sealing bag and prolonging the shelf life of the articles in the middle sealing bag.
Description
Technical Field
The present utility model relates to a bag, and more particularly it relates to a middle seal bag.
Background
The middle sealing bag is also called a back sealing bag, which is a special vocabulary of the packaging industry, namely simply a packaging bag for sealing edges on the back of a bag body, the application range of the back sealing bag is very wide, and common candies, instant noodles in bags, dairy products in bags and the like all adopt the packaging mode; most of the middle sealing bags are sealed at one time, and the bags are difficult to seal again after being opened; the middle sealing bag is partially sealed by a buckle, however, air still exists in the bag body in the sealing mode, and articles in the bag body are likely to deteriorate due to long-time contact with the air.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides the middle sealing bag, which has the effects of facilitating resealing of the middle sealing bag and prolonging the quality guarantee period of the articles in the middle sealing bag.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a well envelope, includes the bag body, its characterized in that: the bag body consists of an outer layer, a middle layer and an inner layer; the bag body is provided with an edge seal; the bag body is respectively provided with an upper pressing edge and a lower pressing edge; the upper pressing edge and the lower pressing edge are respectively positioned at two sides of the bag body; a left seal and a right seal are arranged in the bag body; the left seal is arranged on one side of the right seal and is connected with the right seal; the bag body is provided with a one-way exhaust valve.
The utility model is further provided with: the outer layer, the middle layer and the inner layer are connected by adopting a composite process; an easy-tearing line is arranged at the joint of the upper pressing edge and the bag body; the left seal is arranged at one side in the bag body; the right seal is arranged on the other side in the bag body; the left seal and the right seal are close to the upper pressing edge.
The utility model is further provided with: a groove is formed in the left seal; the right seal is provided with a bulge; the projection is connected with the groove.
The utility model is further provided with: the bag body is provided with holes; a one-way exhaust valve is arranged in the hole; the one-way exhaust valve is provided with an air outlet.
The utility model is further provided with: the outer layer is made of TPU film; the middle layer is made of aluminum foil paper; the inner layer adopts PE film as material.
In summary, the utility model has the following beneficial effects: the easy-tearing line between the upper pressing edge and the bag body enables the middle sealing bag to be convenient to open; a groove is arranged on a left seal arranged at one side of the bag body; a right seal arranged on the other side of the bag body is provided with a bulge; the groove is matched with the bulge to enable the opened bag body to be sealed again; after the bag body is sealed, the bag body can be extruded, so that air in the bag body is discharged through the air outlet hole on the one-way exhaust valve; after the air is discharged out of the bag body, the objects in the bag body are reduced to be contacted with the air, so that the quality guarantee period of the objects in the middle sealing bag can be prolonged.
Drawings
FIG. 1 is a schematic diagram of the structure of the present embodiment;
FIG. 2 is a schematic view of the left seal and the right seal of the present embodiment;
FIG. 3 is a schematic view of the outer layer, middle layer, and inner layer of the present embodiment.
Reference numerals: 1. a bag body; 2. an outer layer; 3. a middle layer; 4. an inner layer; 5. sealing edges; 6. pressing the upper edge; 7. pressing down the edge; 8. a left seal; 9. a right seal; 10. a one-way exhaust valve; 11. an easy-to-tear line; 12. a groove; 13. protruding; 14. a hole; 15. and an air outlet hole.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The embodiment discloses a middle sealing bag, as shown in fig. 1 to 3, the utility model has the effect of facilitating resealing the middle sealing bag and prolonging the quality guarantee period of articles in the middle sealing bag, and comprises a bag body 1; the bag body 1 consists of an outer layer 2, a middle layer 3 and an inner layer 4; the bag body 1 is provided with an edge seal 5; the bag body 1 is respectively provided with an upper pressing edge 6 and a lower pressing edge 7; the upper pressing edge 6 and the lower pressing edge 7 are respectively positioned at two sides of the bag body 1; a left seal 8 and a right seal 9 are arranged in the bag body 1; the left seal 8 is arranged on one side of the right seal 9, and the left seal 8 is connected with the right seal 9; the bag body 1 is provided with a one-way exhaust valve 10.
By adopting the technical scheme: the bag body 1 is composed of an outer layer 2, a middle layer 3 and an inner layer 4, so that the bag body 1 has strong functionality; the sealed edges 5 are positioned in the middle of the bag body 1, so that the two sides of the bag body 1 can bear larger pressure, and the possibility of package breakage is reduced; the upper pressing edge 6, the lower pressing edge 7 and the edge sealing 5 seal the bag body 1; when the bag is opened, the upper pressing edge 6 can be torn off, and then the left seal 8 and the right seal 9 are separated, so that the bag body 1 can be opened; the left seal 8 and the right seal 9 can be connected to seal the opened middle seal bag again; the one-way exhaust valve 10 on the bag body 1 can exhaust the air in the bag body 1 out of the bag body 1 through the one-way exhaust valve 10, so that the objects in the bag body 1 are reduced to be contacted with the air, and the quality guarantee period of the objects in the middle sealing bag can be prolonged.
The outer layer 2, the middle layer 3 and the inner layer 4 are connected by adopting a composite process; the joint of the upper pressing edge 6 and the bag body 1 is provided with an easy-tearing line 11; the left seal 8 is arranged on one side in the bag body 1; the right seal 9 is arranged on the other side in the bag body 1; the left seal 8 and the right seal 9 are close to the upper pressing edge 6.
By adopting the technical scheme: the outer layer 2, the middle layer 3 and the inner layer 4 are connected by adopting a composite process, so that the structure of the bag body 1 is more stable; the easy-tearing line 11 enables the upper pressing edge 6 to be convenient to tear off so as to open the bag body 1, and the easy-tearing line 11 can prevent the left seal 8 and the right seal 9 from being separated from the bag body 1 caused by excessively tearing the bag body 1 when the bag body 1 is opened; the left seal 8 and the right seal 9 are respectively positioned at two sides of the bag body 1 so that the bag body 1 can be closed by the left seal 8 and the right seal 9.
A groove 12 is formed in the left seal 8; the right seal 9 is provided with a bulge 13; the projection 13 is connected with the recess 12.
By adopting the technical scheme: the right seal 9 is connected with the left seal 8 after the protrusion 13 is connected with the groove 12, so that the bag body 1 is closed.
The bag body 1 is provided with a hole 14; a one-way exhaust valve 10 is arranged in the hole 14; the one-way exhaust valve 10 is provided with an air outlet hole 15.
By adopting the technical scheme: the one-way exhaust valve 10 is adhered and arranged in the hole 14, and after the left seal 8 and the right seal 9 seal the bag body 1, the bag body 1 can be extruded, so that the air in the bag body 1 is exhausted through the air outlet hole 15 on the one-way exhaust valve 10; the one-way vent valve 10 allows air to be vented only from the interior of the bag 1 to the exterior of the bag 1.
The outer layer 2 is made of TPU film; the middle layer 3 is made of aluminum foil paper; the inner layer 4 is made of PE film.
By adopting the technical scheme: the TPU film has the advantage of good mechanical strength, so that the bag body 1 has high strength; the aluminum foil paper has a shading effect so as to prevent external light from irradiating on the articles in the bag body 1; the PE film has stable chemical property and good wear resistance, so that the service life of the bag body 1 is longer.
In summary, the utility model has the following beneficial effects: the easy-tearing line 11 between the upper pressing edge 6 and the bag body 1 facilitates the opening of the middle sealing bag; a groove 12 is arranged on a left seal 8 arranged on one side of the bag body 1; a bulge 13 is arranged on a right seal 9 arranged on the other side of the bag body 1; the groove 12 and the protrusion 13 are matched to enable the opened bag body 1 to be sealed again; after the bag body 1 is sealed, the bag body 1 can be extruded, so that the air in the bag body 1 is discharged through the air outlet hole 15 on the one-way exhaust valve 10; after the air is discharged out of the bag body 1, the objects in the bag body 1 are reduced to be contacted with the air, so that the quality guarantee period of the objects in the middle sealing bag can be prolonged.
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the design concept of the present utility model should be included in the scope of the present utility model.
Claims (5)
1. The utility model provides a well envelope, includes bag body (1), its characterized in that: the bag body (1) consists of an outer layer (2), a middle layer (3) and an inner layer (4); the bag body (1) is provided with an edge seal (5); an upper pressing edge (6) and a lower pressing edge (7) are respectively arranged on the bag body (1); the upper pressing edge (6) and the lower pressing edge (7) are respectively positioned at two sides of the bag body (1); a left seal (8) and a right seal (9) are arranged in the bag body (1); the left seal (8) is arranged on one side of the right seal (9), and the left seal (8) is connected with the right seal (9); the bag body (1) is provided with a one-way exhaust valve (10).
2. The middle envelope of claim 1, wherein: the outer layer (2), the middle layer (3) and the inner layer (4) are connected by adopting a composite process; an easy-tearing line (11) is arranged at the joint of the upper pressing edge (6) and the bag body (1); the left seal (8) is arranged at one side in the bag body (1); the right seal (9) is arranged on the other side in the bag body (1); the left seal (8) and the right seal (9) are close to the upper pressing edge (6).
3. The middle envelope of claim 2, wherein: a groove (12) is formed in the left seal (8); a bulge (13) is arranged on the right seal (9); the projection (13) is connected with the groove (12).
4. A middle seal bag according to claim 3, wherein: the bag body (1) is provided with holes (14); a one-way exhaust valve (10) is arranged in the hole (14); the one-way exhaust valve (10) is provided with an air outlet hole (15).
5. The middle envelope of claim 4, wherein: the outer layer (2) is made of TPU film; the middle layer (3) is made of aluminum foil paper; the inner layer (4) is made of PE film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322094129.0U CN220925011U (en) | 2023-08-04 | 2023-08-04 | Middle sealing bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322094129.0U CN220925011U (en) | 2023-08-04 | 2023-08-04 | Middle sealing bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220925011U true CN220925011U (en) | 2024-05-10 |
Family
ID=90961330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322094129.0U Active CN220925011U (en) | 2023-08-04 | 2023-08-04 | Middle sealing bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220925011U (en) |
-
2023
- 2023-08-04 CN CN202322094129.0U patent/CN220925011U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |