CN219566031U - Biodegradable food packaging bag - Google Patents

Abstract

The utility model discloses a biodegradable food packaging bag, which comprises a device body, wherein the device body comprises a bag body, gas valves and a closing device, the gas valves are arranged at two ends of the outer side surface of the middle part of the top end of the bag body, the closing device is arranged at the top end of the bag body, two groups of gas valves are arranged at two sides of the bag body, each group of gas valves comprises a bottom ring and a valve cover, the bottom rings and the valve covers are connected through soft plastics, the bottom rings are hollow cavities with two non-facing ends, one side of each bottom ring, which is close to the bag body, is provided with a circular ring, the circular ring is arranged on the inner side surface of the bottom ring, a hole groove is formed in the middle part of each circular ring, the inner side surface of the valve cover is provided with a blocking block, the closing device comprises a left block and a right block, the left block is provided with a bulge at the middle part of the side wall, which is close to the right block, and due to the arrangement of a plurality of groups of closing devices, the tightness of liquid foods is further improved, and the gas valves can be inflated by a user, so that a large amount of miscellaneous bacteria can be prevented.

Description

Biodegradable food packaging bag

Technical Field

The utility model relates to the field of packaging bag devices, in particular to a biodegradable food packaging bag.

Background

The food packaging material is an indispensable material in daily life of people. Most of the food packaging materials are disposable, the use amount is large, and most of the food packaging materials can only be burnt or cracked at high temperature after being abandoned, so that a large amount of carbon dioxide is finally discharged. Taking paper-plastic composite food packaging bags as an example, most of the existing packaging bags in the market are formed by compositing kraft paper with polyethylene or polypropylene, and the polyethylene and the polypropylene are non-degradable materials, so that the existing packaging bags cannot be degraded through composting treatment and can only be treated through burning or pyrolysis, and further carbon dioxide is generated, and the requirements of carbon peak and carbon neutralization development strategy proposed in China are not met.

In the prior art, the utility model of the utility model name of the publication No. CN204998960U discloses a food packaging bag, the utility model increases the environmental protection performance of the food packaging bag, is convenient for users to use in different places, and the arrangement of the magnetic sheets at the bag mouth can seal the food packaging bag under the condition of no use after the food packaging bag is disassembled, so that the needs of most people can be met, convenience, simplicity and practicability are brought to the life of people in detail, the structure is suitable for popularization, but the structure is not suitable for packaging liquid foods, when the existing liquid foods are used, due to the simpler structure, the bag body is required to be completely opened when the liquid foods are ventilated to the inside, bacteria are easy to enter, the problem of poor sealing performance of the existing culture bag is solved, and the existing culture bag for the liquid food packaging bag can not be biodegraded, and has great influence on the environment.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the biodegradable food packaging bag, a plurality of groups of closing devices are arranged, the sealing performance of liquid foods is further improved, and the gas valve can be convenient for a user to inflate, so that a large amount of miscellaneous bacteria are prevented from entering.

In order to solve the technical problems, the utility model provides the following technical scheme: the conventional liquid food proposed in the above background art has a relatively simple structure when in use, so that the bag body needs to be fully opened when the bag body is ventilated to the inside, bacteria are easy to enter, and the sealing performance of the conventional culture bag is relatively poor.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

biodegradable food packaging bag, including the device body, including bag body, gas valve and closing means in the device body, gas valve sets up in the outside surface both ends at the top middle part of bag body, closing means sets up in the top of bag body, gas valve all is provided with two sets of in the both sides of bag body, every group in the gas valve all including bottom ring and valve gap, connect through soft plastics between bottom ring and the valve gap, the bottom ring is the hollow cavity that both ends are not facial, one side that the bottom ring is close to the bag body is provided with the ring, the ring sets up in the inboard surface of bottom ring, the hole groove has been seted up at the middle part of ring, the inboard surface of valve gap is provided with the shutoff piece, including left side piece and right piece in the closing means, left side piece is provided with the arch in the lateral wall middle part that is close to the right piece, right piece is near left side wall middle part and is inwards seted up flutedly.

As a further scheme of the utility model: the material of the blocking block is soft rubber, the size of the blocking block is larger than that of the circular ring, and the blocking block can block and seal the middle part of the bottom ring at first and isolate the hole groove in the middle part of the circular ring from outside air.

As still further aspects of the utility model: the hole groove is horn-shaped with a large outer side and a small inner side, so that the air can be accelerated during inflation, and the risk of air leakage can be avoided because the inner side is small in size.

As still further aspects of the utility model: the edge of arch and recess is fillet structure, just closing means is stereoplasm plastic material, and fillet structure can improve the effect that the card was established, under guaranteeing sealed effect, conveniently opens and close.

As still further aspects of the utility model: the closing device is provided with two groups, the bottom of the gas valve is provided with the closing device, the two groups of closing devices are the same in length from the gas valve, the upper end and the lower end of the closing device are provided with closing device users which can selectively close, and the two groups of closing devices can strengthen the sealing effect at the same time.

As still further aspects of the utility model: a pull ring is arranged between the two groups of air valves on one side of the bag body, the pull ring is fixedly bonded with the bag body, and the pull ring can be convenient for a user to pull the bag body open.

As still further aspects of the utility model: the main body of the bag body is formed by compounding kraft paper and biodegradable transparent films, the kraft paper is arranged on the outer side of the packaging bag, and the biodegradable films are arranged on the inner side of the packaging bag.

Compared with the prior art, the utility model has the beneficial effects that:

in the utility model, through the gas valve and the plurality of groups of closing devices, a user can firstly separate two sides of the bag body through the pull ring when using, at the moment, because the two groups of closing devices are arranged on the bag body, when the bag body is pulled open, the left block and the right block in the closing device at the top end can separate the bulge and the groove in the closing device towards two sides, and then the user can separate the closing device at the bottom end according to the same method.

2. In the device, a new generation of biodegradable transparent film is adopted to replace the traditional polyethylene and polypropylene films, so that the transparency and the barrier property of the traditional films are reserved, and meanwhile, the biodegradability is increased, so that the prepared food packaging bag has full biodegradability. The food packaging bag designed by the utility model can be converted into fertilizer through composting treatment without burning or pyrolysis treatment, so that the emission of carbon dioxide is effectively reduced, and the current requirements of 'carbon reaching peak' and 'carbon neutralization' development strategy in China are met.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a gas valve according to the present utility model;

FIG. 3 is a schematic view of a closure device according to the present utility model;

fig. 4 is a side view of the present utility model.

In the figure: 1. a device body; 2. a bag body; 3. a gas valve; 31. a bottom ring; 311. a circular ring; 312. a hole groove; 32. a valve cover; 321. blocking; 4. a pull ring; 5. a closure device; 51. a left block; 511. a protrusion; 52. a right block; 512. a groove.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

referring to fig. 1 to 4, in the embodiment of the utility model, the biodegradable food packaging bag comprises a device body 1, wherein the device body 1 comprises a bag body 2, gas valves 3 and a closing device 5, the gas valves 3 are arranged at two ends of the outer side surface of the middle part of the top end of the bag body 2, the closing device 5 is arranged at the top end of the bag body 2, the gas valves 3 are respectively provided with two groups on two sides of the bag body 2, each group of gas valves 3 comprises a bottom ring 31 and a valve cover 32, the bottom ring 31 and the valve cover 32 are connected through soft plastic, the bottom ring 31 is a hollow cavity with two non-surfaces, one side of the bottom ring 31, which is close to the bag body 2, is provided with a circular ring 311, the circular ring 311 is arranged on the inner side surface of the bottom ring 31, a hole groove 312 is formed in the middle of the circular ring 311, the inner side surface of the valve cover 32 is provided with a blocking 321, the closing device 5 comprises a left block 51 and a right block 52, the left block 51 is provided with a bulge 511 in the middle part of the side wall close to the right block 52, and a groove 512 is formed in the middle part of the side wall close to the left block 51.

Wherein, the blocking block 321 is made of soft rubber, the size of the blocking block 321 is larger than that of the circular ring 311, the blocking block 321 can block and close the middle part of the bottom ring 31 at first, and isolate the hole slot 312 in the middle part of the circular ring 311 from the external air; the hole 312 has a horn shape with a large outer side and a small inner side, and can accelerate when inflated, and the risk of air leakage can be avoided because the inner side is small in size; the edges of the bulge 511 and the groove 512 are round-corner structures, and the closing device 5 is made of hard plastic, so that the effect of clamping can be improved by the round-corner structures, and the opening and closing are convenient under the sealing effect; the two groups of closing devices 5 are arranged, the closing devices 5 are arranged at the bottom ends of the gas valves 3, the lengths of the two groups of closing devices 5 from the gas valves 3 are the same, the upper end and the lower end of each of the two groups of closing devices 5 are provided with closing devices 5, a user can selectively close the two groups of closing devices 5, and the closing effect can be enhanced simultaneously; a pull ring 4 is arranged between the two groups of air valves 3 on one side of the bag body 2, the pull ring 4 is fixedly bonded with the bag body 2, and the pull ring 4 can be convenient for a user to pull the bag body 2 open; the main body of the bag body 2 is formed by compounding kraft paper and biodegradable transparent films, the kraft paper is arranged on the outer side of the packaging bag, and the biodegradable films are arranged on the inner side of the packaging bag.

The working principle of the utility model is as follows: through the gas valve 3 and the multiple groups of closing devices 5, a user can separate two sides of the bag body 2 through the pull ring 4 at first, at this time, because the two groups of closing devices 5 are arranged on the bag body 2, when the bag body is pulled open, the left block 51 and the right block 52 in the closing device 5 at the top end separate the bulges 511 and the grooves 512 from each other to two sides, and finally the two groups of closing devices 5 are clamped and fixed through the matching relationship of the bulges 511 and the grooves, so that the sealing operation is finished.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. Biodegradable food packaging bag, its characterized in that: including device body (1), including bag body (2), gas valve (3) and closing means (5) in device body (1), gas valve (3) set up in the outside surface both ends at the top middle part of bag body (2), closing means (5) set up in the top of bag body (2), gas valve (3) all are provided with two sets of in the both sides of bag body (2), every group in gas valve (3) all include bottom ring (31) and valve gap (32), connect through soft plastics between bottom ring (31) and valve gap (32), bottom ring (31) are the hollow cavity of both ends no face, one side that bottom ring (31) is close to bag body (2) is provided with ring (311), ring (311) set up in the inboard surface of bottom ring (31), hole groove (312) have been seted up at the middle part of ring (311), the inboard surface of valve gap (32) is provided with piece (321), in closing means (5) including piece (51) and right side wall (52) are close to the left and right side wall (51) are close to the middle part (52).

2. The biodegradable food packaging bag according to claim 1, characterized in that: the material of the blocking block (321) is soft rubber, and the size of the blocking block (321) is larger than that of the circular ring (311).

3. The biodegradable food packaging bag according to claim 1, characterized in that: the hole groove (312) is in a horn shape with a large outer side and a small inner side.

4. The biodegradable food packaging bag according to claim 1, characterized in that: the edges of the protrusion (511) and the groove (512) are round-corner structures, and the closing device (5) is made of hard plastic materials.

5. The biodegradable food packaging bag according to claim 1, characterized in that: the closing devices (5) are provided with two groups, the bottom ends of the gas valves (3) are provided with the closing devices (5), and the lengths of the two groups of closing devices (5) from the gas valves (3) are the same.

6. The biodegradable food packaging bag according to claim 1, characterized in that: a pull ring (4) is arranged between the two groups of air valves (3) on one side of the bag body (2), and the pull ring (4) is fixedly bonded with the bag body (2).

7. The biodegradable food packaging bag according to claim 1, characterized in that: the main body of the bag body (2) is formed by compounding kraft paper and biodegradable transparent films, the kraft paper is arranged on the outer side of the packaging bag, and the biodegradable films are arranged on the inner side of the packaging bag.