CN211309419U - Explosion-proof packaging bag with exhaust valve for frozen food - Google Patents
Explosion-proof packaging bag with exhaust valve for frozen food Download PDFInfo
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- CN211309419U CN211309419U CN201922071107.6U CN201922071107U CN211309419U CN 211309419 U CN211309419 U CN 211309419U CN 201922071107 U CN201922071107 U CN 201922071107U CN 211309419 U CN211309419 U CN 211309419U
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Abstract
The utility model discloses an explosion-proof wrapping bag of frozen food with discharge valve, include: the packaging bag is provided with a hot-pressing sealing edge and comprises a first bag body and a second bag body, three edges of the first bag body and the second bag body are connected in a sealing mode to form a U-shaped sealing edge, the U-shaped sealing edge and the hot-pressing sealing edge form a closed space, and a bag cavity is formed in the middle of the U-shaped sealing edge and the hot-pressing sealing edge; the first bag body is provided with a round hole, an exhaust valve is arranged at the round hole, and the exhaust valve is hermetically connected with the round hole; the exhaust valve is used for exhausting air from the inside of the packaging bag to the outside in a one-way mode. Through setting up discharge valve, this wrapping bag can be used for the food heating, and food is not contaminated when the heating, has guaranteed the security of food, and simultaneously, when wrapping bag internal gas pressure increase, gas in time discharges through discharge valve, and the effectual wrapping bag that prevents explodes when the heating.
Description
Technical Field
The utility model belongs to the technical field of the food package bag, especially, relate to an explosion-proof wrapping bag of frozen food with discharge valve.
Background
Frozen food is popular with people because of its excellent characteristics of convenient eating and easy preservation, and the frozen food is generally packed in food packing bags by vacuum pumping. Frozen foods require heat treatment before consumption. The microwave oven has the advantages of convenient and fast use, high heating speed, uniform heating and the like, so that the microwave oven is the best choice for people to heat food. In either case of heating frozen food in a microwave oven or heating frozen food in another way, the air pressure in the packaging bag increases during heating, and the packaging bag is liable to explode.
In the prior art, chinese patent application 201710930659.0 discloses a food package bag, including wrapping bag body and the buckle cover of setting on the wrapping bag body, the buckle cover is located the outside of wrapping bag body, the buckle cover include the box and with two pin buckles of box assorted, the pin buckle includes pin buckle one and pin buckle two, pin buckle one sets up the lower part at the wrapping bag body with two symmetries of pin buckle, be connected with the one end of winding on the pin buckle one, the other end of winding is provided with the box, be provided with bar-shaped air pocket on the side of wrapping bag body, bar-shaped air pocket is located the intermediate position of wrapping bag body side. The interior of the packaging bag is provided with an interlayer. The upper end of the packaging bag body is provided with a handle, and the handle is provided with a through hole. The plastic sealing strip is arranged on the interlayer and is positioned on the upper part of the interlayer and between the handle and the packaging bag body.
In the prior art, chinese patent application 201710359703.7 discloses a package for express food. The novel bag comprises a bag body, the open end of the bag body is provided with the sealing strip, the internal portion of bag is provided with the drying tube of adhesion on the internal wall of bag, be provided with dry medium in the drying tube. The sealing strip is arranged on the bag body, so that the packaging bag can be sealed through the sealing strip after being unsealed, the sealing performance of the quick-frozen food packaging bag is improved, in addition, the drying tube is arranged in the bag body, and the drying medium is arranged in the drying tube, so that the existence of the drying medium can keep certain dryness in the quick-frozen food packaging bag.
However, in the food packaging bag of the prior art, the packaging bag needs to be cut open or the food needs to be heated after being taken out of the packaging bag during use, so as to prevent the expansion bag from exploding. However, even when the packaging bag is cut open or the food is heated after being taken out of the packaging bag, the food may be contaminated during heating, and the safety of the food cannot be fully ensured.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model aims to provide an explosion-proof wrapping bag of frozen food with discharge valve, through setting up discharge valve, can be with food in the direct heating of wrapping bag, need not to cut the wrapping bag, also need not to take out food from the wrapping bag back reheating to stop food contaminated possibility when heating, and then guarantee the security of food, with the technical problem who exists in the solution background art.
The utility model provides a following technical scheme:
an explosion-proof packaging bag for frozen food with a vent valve, comprising: the packaging bag is provided with a hot-pressing sealing edge and comprises a first bag body and a second bag body, three edges of the first bag body and the second bag body are connected in a sealing mode to form a U-shaped sealing edge, the U-shaped sealing edge and the hot-pressing sealing edge form a closed space, and a bag cavity is formed in the middle of the U-shaped sealing edge and the hot-pressing sealing edge; the first bag body is provided with a round hole, an exhaust valve is arranged at the round hole, and the exhaust valve is hermetically connected with the round hole; the exhaust valve is used for exhausting air from the inside of the packaging bag to the outside in a one-way mode.
Preferably, the exhaust valve includes: the base film and the exhaust film are circular and coaxially attached, a circular through hole is formed in the middle of the base film, the size of the circular through hole is equal to that of the circular hole, and the circle center of the circular through hole is located on the same straight line.
Preferably, the base film and the first bag body are bonded by a high-bonding-degree bonding agent, and the base film and the exhaust film are bonded by a low-bonding-degree bonding agent; the low adhesion adhesives include, but are not limited to, pressure sensitive adhesives; the binder is a high-temperature resistant binder.
Preferably, the exhaust membrane is provided with a plurality of U-shaped slits which are uniformly arranged around the center of the exhaust membrane.
Preferably, the surface of the exhaust membrane is covered with a protective membrane, the protective membrane is circular and extends outwards to form an arc edge, and the circular diameter of the protective membrane is larger than that of the exhaust membrane.
Preferably, the hot-pressing sealing edge is rectangular, and the edge of one side far away from the bag cavity is serrated, so that food can be taken out conveniently.
Preferably, the surface of the packaging bag is provided with a plurality of rectangular bulges which are uniformly arranged on the surface of the packaging bag.
Preferably, the first bag body and the second bag body are made of the same or different materials; the material is one of plastic film and waterproof paper.
Preferably, the base film and the exhaust film are made of plastic.
Preferably, the first bag body and/or the second bag body are/is provided with one or more exhaust valves, and the exhaust valves are positioned on the same side or different sides.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model relates to an explosion-proof wrapping bag of frozen food with discharge valve, through setting up discharge valve, when the wrapping bag internal gas pressure increase, gaseous in time discharges through discharge valve, effectually prevents the wrapping bag explosion when the heating.
(2) The utility model relates to an explosion-proof wrapping bag of frozen food with discharge valve through set up the rectangle arch on the wrapping bag surface, has increased frictional force, and it is more convenient to use.
(3) The utility model relates to an explosion-proof wrapping bag of frozen food with discharge valve seals through setting up the hot pressing, makes packaged food convenient and fast more.
(4) The utility model relates to an explosion-proof wrapping bag of frozen food with discharge valve, discharge valve simple structure, the volume is less, and convenient to use has guaranteed safe in utilization automatic exhaust air when food package bag internal gas pressure increases.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a main schematic diagram of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a schematic structural view of the exhaust valve of the present invention.
Fig. 4 is a schematic view of the exhaust membrane of the present invention.
Fig. 5 is a schematic diagram of the base film of the present invention.
Fig. 6 is a schematic view of the packing bag and the circular hole of the present invention.
Fig. 7 is a schematic view of the protective film of the present invention.
In the figure: 1. packaging bags; 2. an exhaust valve; 3. hot-pressing the sealing edge; 4. a base film; 5. an exhaust membrane; 6. a protective film; 7. a U-shaped seam; 8. a circular through hole; 9. a circular hole; 101. a first bag body; 102. a second bag body.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined to clearly and completely describe the technical solutions of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1 to 7, an explosion-proof packing bag for frozen food with a vent valve comprises: the packaging bag comprises a packaging bag 1 and an exhaust valve 2, wherein the packaging bag 1 is provided with a hot-pressing sealing edge 3, the packaging bag 1 comprises a first bag body 101 and a second bag body 102, three edges of the first bag body 101 and the second bag body 102 are connected in a sealing mode to form a U-shaped sealing edge, the U-shaped sealing edge and the hot-pressing sealing edge 3 form a closed space, a bag cavity is formed in the middle of the bag cavity and used for placing food, and after the food is placed in the bag cavity, the hot-pressing sealing opening is closed to form a completely closed space; the first bag body 101 is provided with a round hole 9, an exhaust valve 2 is arranged at the round hole 9, and the exhaust valve 2 is hermetically connected with the round hole; the exhaust valve 2 is used for one-way exhaust from the inside to the outside of the packaging bag 1.
The exhaust valve 2 includes: base film 4 and exhaust membrane 5, base film 4 is circular and coaxial laminating with exhaust membrane 5, be equipped with circular through-hole 8 in the middle of the base film 2, circular through-hole 8 equals with round hole 9 size to the centre of a circle is located same straight line.
The air discharge membrane 5 is provided with a plurality of U-shaped seams 7, the U-shaped seams 7 are uniformly arranged around the circle center of the air discharge membrane 5, and when the pressure in the packaging bag 1 is increased, the air in the packaging bag 1 is discharged through the U-shaped seams 7.
The surface of the exhaust membrane 5 is covered with a protective membrane 6, the protective membrane 6 is circular, an arc edge extends outwards, the circular diameter of the protective membrane 6 is larger than that of the exhaust membrane 5, and the exhaust membrane 6 is used for preventing moisture in food from flowing out through an exhaust valve 7 when the food is packaged.
The hot-pressing sealing edge 3 is rectangular, and the edge of one side far away from the bag cavity is serrated, so that food can be taken out conveniently.
The surface of the packaging bag 1 is provided with a plurality of rectangular bulges, the rectangular bulges are uniformly arranged on the surface of the packaging bag 1, the friction force is increased by the rectangular bulges, and the packaging bag is effectively prevented from sliding down.
The first bag body 101 and the second bag body 102 are made of the same or different materials; the material is one of plastic film and waterproof paper.
The base film 4 and the exhaust film 5 are made of plastic.
The first bag body 101 and/or the second bag body 102 are provided with one or more exhaust valves.
The working principle is as follows: this device is before heating frozen food, at first need tear protection film 6, and when heating, the moisture is heated and is formed vapor in wrapping bag 1, leads to the increase of gas pressure in wrapping bag 1, and the partial air pressure in wrapping bag 1 of exhaust membrane 5 takes place to separate with base film 4, and at this moment, circular through-hole 8, round hole 9, U-shaped seam 9 form exhaust passage, and the air discharge to guarantee that the wrapping bag does not explode. After the high-pressure steam is discharged, the pressure in the packaging bag 1 is reduced, and the exhaust membrane 5 is restored under the action of the external air and attached to the base membrane 4, so that the external air cannot enter the packaging bag 1. When not heating food, the exhaust membrane 5 is in inseparable laminating state with base film 4, and 1 outside atmospheric pressure of wrapping bag is higher than the inside atmospheric pressure of wrapping bag, and 1 outside air of wrapping bag can not enter inside 1 of people's wrapping bag, and the effectual food of having guaranteed is not contaminated.
Example 2
Different from the embodiment 1, the sealing opening of the packaging bag 1 is completely sealed in a self-sealing mode, and air in the packaging bag 1 is discharged after food is put into the bag cavity and then the packaging bag is completely sealed.
The device that obtains through above-mentioned technical scheme is the explosion-proof wrapping bag of frozen food, and through setting up discharge valve 2, when wrapping bag internal gas pressure increase, gas passes through discharge valve in time to be discharged, and the effectual wrapping bag that prevents explodes when the heating. The device has simple structure and wide application, and can prevent dangerous situations.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An explosion-proof packaging bag with an exhaust valve for frozen food, which is characterized by comprising: the packaging bag comprises a packaging bag (1) and an exhaust valve (2), wherein the packaging bag (1) is provided with a hot-pressing sealing edge (3), the packaging bag (1) comprises a first bag body (101) and a second bag body (102), three edges of the first bag body (101) and the second bag body (102) are hermetically connected to form a U-shaped sealing edge, the U-shaped sealing edge and the hot-pressing sealing edge (3) form a closed space, and a bag cavity is formed in the middle of the U-shaped sealing edge and the hot-pressing sealing edge; the first bag body (101) is provided with a round hole (9), an exhaust valve (2) is arranged at the round hole (9), and the exhaust valve (2) is connected with the round hole in a sealing manner; the exhaust valve (2) is used for exhausting air from the inside of the packaging bag (1) to the outside in a one-way mode.
2. Explosion-proof packaging bag for frozen food with air outlet valve according to claim 1, characterized in that the air outlet valve (2) comprises: base film (4) and exhaust membrane (5), base film (4) are circular and coaxial laminating with exhaust membrane (5), be equipped with circular through-hole (8) in the middle of base film (4), circular through-hole (8) and round hole (9) size equal to the centre of a circle is located same straight line.
3. The explosion-proof packaging bag for frozen food with the exhaust valve is characterized in that the base film (4) and the first bag body (101) are bonded by a high-bonding-degree adhesive, and the base film (4) and the exhaust film (5) are bonded by a low-bonding-degree adhesive.
4. Explosion-proof packaging bag for frozen food with a venting valve as claimed in claim 2, characterized in that the venting membrane (5) is provided with a plurality of U-shaped slits (7), the U-shaped slits (7) being arranged uniformly around the centre of the venting membrane (5).
5. The explosion-proof packaging bag for frozen food with the vent valve is characterized in that the vent membrane (5) is covered with a protective membrane (6), the protective membrane (6) is circular and extends outwards to form an arc-shaped edge, and the circular diameter of the protective membrane (6) is larger than that of the vent membrane (5).
6. Explosion-proof packaging bag for frozen food with a vent valve according to claim 1, characterized in that the heat-pressure sealing edge (3) is rectangular.
7. Explosion-proof packaging bag for frozen food with a vent valve as claimed in claim 1, characterized in that the surface of the packaging bag (1) is provided with a plurality of rectangular protrusions which are uniformly arranged on the surface of the packaging bag (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922071107.6U CN211309419U (en) | 2019-11-27 | 2019-11-27 | Explosion-proof packaging bag with exhaust valve for frozen food |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922071107.6U CN211309419U (en) | 2019-11-27 | 2019-11-27 | Explosion-proof packaging bag with exhaust valve for frozen food |
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| Publication Number | Publication Date |
|---|---|
| CN211309419U true CN211309419U (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922071107.6U Active CN211309419U (en) | 2019-11-27 | 2019-11-27 | Explosion-proof packaging bag with exhaust valve for frozen food |
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| CN (1) | CN211309419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112478422A (en) * | 2020-11-27 | 2021-03-12 | 孙佳斌 | One-way exhaust packaging bag |
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2019
- 2019-11-27 CN CN201922071107.6U patent/CN211309419U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112478422A (en) * | 2020-11-27 | 2021-03-12 | 孙佳斌 | One-way exhaust packaging bag |
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