CN211732410U

CN211732410U - Ventilative type food fresh-keeping carton

Info

Publication number: CN211732410U
Application number: CN202020120994.1U
Authority: CN
Inventors: 李洪泽; 吴占; 郭金利; 刘瑞红
Original assignee: Tianjin Hongze Packaging Products Co ltd
Current assignee: Tianjin Hongze Packaging Products Co ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-10-23
Anticipated expiration: 2030-01-19

Abstract

The utility model belongs to the technical field of food packaging, in particular to a breathable food fresh-keeping carton, which comprises a box body and a box cover, wherein the outer side wall of the top end of the box body is fixedly bonded with a sealing strip, a baffle is sleeved in the box body, the bottom end of the baffle is fixedly connected with the bottom surface of the box body, and the inner wall of the box body and the inner and outer walls of the box cover are fixedly bonded with fresh-keeping films; under the effect of atmospheric pressure, the inside gas of box can slowly outdiffusion, nitrogen gas in the gasbag can slowly enter into in the box, when playing the slow circulation purpose of air, nitrogen gas can protect the food in the box, can place the ice bag between box and baffle, the cooling, further delay the rotten speed of its food, still can rotate sealed lid and open to suitable angle, the gas in the box is via the ventilated membrane speed reduction back, discharge through the permeability cell, can increase the speed of the inside gas circulation of box, further delay the speed that its food is rotten.

Description

Ventilative type food fresh-keeping carton

Technical Field

The utility model belongs to the technical field of food package, concretely relates to ventilative type food preservation carton.

Background

The paper box packaging is a packaging mode which is widely applied at present, the paper box is firm and low in cost, the paper box is a very suitable packaging product, with the development of the society, the paper box packaging cannot be opened more and more in modern office, and the preservation of food in the food packaging and transportation field, especially fresh food, is particularly important in the transportation process.

The existing air-permeable food preservation carton has single preservation measure, can only slow down the food deterioration rate in a passive mode through air circulation, is easily influenced by external environmental factors, has certain limitation in use, and cannot meet the use requirement of the market on the complex environment of the air-permeable food preservation carton.

Accordingly, those skilled in the art have provided a breathable type food preservation carton to solve the problems set forth in the above background art.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a ventilative type food preservation carton has the long characteristics of save time.

In order to achieve the above object, the utility model provides a following technical scheme: a breathable food fresh-keeping carton comprises a carton body and a carton cover, wherein a sealing strip is fixedly bonded on the outer side wall of the top end of the carton body, a partition plate is sleeved inside the carton body, the bottom end of the partition plate is fixedly connected with the bottom surface of the carton body, a fresh-keeping film is fixedly bonded on the inner wall of the carton body and the inner wall and the outer wall of the carton cover, a folded plate is hinged on the inner wall of a short edge on one side of the carton body and is flush with the top end of the partition plate, a top post is fixedly connected with the top surface of the folded plate, a sealing shell is sleeved inside the carton cover, the top end of the sealing shell is fixedly connected with the inner wall of the carton cover, a pressing plate slides on the inner wall of the sealing shell, an air bag is fixed inside the sealing shell and is located below the pressing plate, an elastic piece is fixedly connected with the top end of the, the air valve is communicated with the air bag.

Preferably, the short edge of one side of the box body is embedded with a vent pipe, the vent pipe penetrates through the box body and the partition plate, and the inner wall of the vent pipe is fixedly bonded with a vent film.

Preferably, the outer wall of the short side of the box body is rotatably connected with a sealing cover corresponding to the vent pipe, and a sealing gasket is fixedly bonded to the bottom surface of the sealing cover.

Preferably, the cross-sectional dimension of the gasket is larger than the inner diameter dimension of the gas permeable pipe.

Preferably, a shifting lever is fixedly connected to the middle position of the top surface of the sealing cover.

Preferably, the sealing strip is made of rubber and has a thickness of 2 mm.

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

under the action of the elastic sheet, the pressure plate always applies pressure to the air bag to generate certain air pressure, and as the box body and the box cover cannot be completely sealed, under the action of air pressure, the gas in the box body can be slowly diffused outwards, the nitrogen in the air bag can be slowly fed into the box body, when the air is slowly circulated, the nitrogen can protect the food in the box body, slow down the deterioration rate of the food, prolong the storage time of the food, if the temperature of the transportation area is higher, an ice bag can be placed between the box body and the clapboard to reduce the temperature and further delay the food deterioration rate, meanwhile, the sealing cover can be rotated and opened to a proper angle, the gas in the box body is decelerated by the breathable film and then is discharged through the breathable pipe, the speed of gas circulation in the box body can be increased, the food deterioration speed is further delayed, and the number of preservation modes is large.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the case body of the present invention;

FIG. 3 is an enlarged view of the point B in FIG. 2;

FIG. 4 is an enlarged view of the point A in FIG. 2;

in the figure: 1. a box body; 101. a preservative film; 11. a sealing strip; 12. a partition plate; 13. folding the plate; 131. a top pillar; 14. a gas permeable pipe; 15. a gas permeable membrane; 16. a sealing cover; 161. a gasket; 162. a deflector rod; 2. a box cover; 21. sealing the shell; 22. pressing a plate; 23. an air bag; 24. a spring plate; 25. and (4) an air valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-4, the present invention provides the following technical solutions: a breathable food fresh-keeping carton comprises a carton body 1 and a carton cover 2, a sealing strip 11 is fixedly bonded on the outer side wall of the top end of the carton body 1, a partition plate 12 is sleeved inside the carton body 1, the bottom end of the partition plate 12 is fixedly connected with the bottom surface of the carton body 1, a fresh-keeping film 101 is fixedly bonded on the inner wall of the carton body 1 and the inner and outer walls of the carton cover 2, a folded plate 13 is hinged on the inner wall of a short side of one side of the carton body 1, the folded plate 13 is flush with the top end of the partition plate 12, a top post 131 is fixedly connected with the top surface of the folded plate 13, a sealing shell 21 is sleeved inside the carton cover 2, the top end of the sealing shell 21 is fixedly connected with the inner wall of the carton cover 2, a pressing plate 22 slides on the inner wall of the sealing shell 21, an air bag 23 is fixed inside the sealing shell 21, the air bag 23 is positioned, the air valve 25 is communicated with the air bag 23.

In this embodiment: when the air bag is used, an external air supply device is used for filling nitrogen into the air bag 23 through the air valve 25, the air bag 23 expands and deforms, the pressing plate 22 is pushed upwards, the elastic sheet 24 contracts and deforms upwards and accumulates force simultaneously, food is placed on the inner side of the partition plate 12, the box cover 2 is covered at the top end of the box body 1 after the placement is completed, the top end of the box body 1 is inserted into a gap between the sealing shell 21 and the box cover 2 and is sealed by the sealing strip 11, the folding plate 13 is unfolded to be in a horizontal state, the top column 131 on the top surface of the folding plate corresponds to the air valve 25, after the box cover 2 is completely inserted, the top column 131 is in contact with the valve core of the air valve 25 and extrudes the valve core, at the moment, the air valve 25 is opened, the nitrogen in the air bag 23 can enter the box body 1 through the air valve 25, and the pressing plate 22 always applies pressure to the air bag 23 under the action of the elastic sheet 24, under the effect of atmospheric pressure, the inside gas of box 1 can slowly outdiffusion, nitrogen in gasbag 23 can slowly enter into box 1, when playing the purpose of slow circulation of air, nitrogen can protect the food in box 1, slow down its rotten speed, the save time of extension food, if the regional temperature of transportation is higher, can place the ice bag between box 1 and baffle 12, reduce the temperature, further delay its food rotten speed, simultaneously, can also rotate sealed lid 16 and open to suitable angle, the gas in box 1 is discharged through permeability cell 14 after the ventilative membrane 15 slows down, can increase the inside gas circulation's of box 1 speed, further delay its food rotten speed.

In fig. 1-3: comprises a box body 1 and a box cover 2, a sealing strip 11 is fixedly bonded on the outer side wall of the top end of the box body 1, a partition plate 12 is sleeved in the box body 1, the bottom end of the partition plate 12 is fixedly connected with the bottom surface of the box body 1, a preservative film 101 is fixedly bonded on the inner wall of the box body 1 and the inner and outer walls of the box cover 2, a folded plate 13 is hinged on the inner wall of the short side of one side of the box body 1, the folded plate 13 is flush with the top end of the partition plate 12, a top column 131 is fixedly connected with the top surface of the folded plate 13, a sealing shell 21 is sleeved in the box cover 2, the top end of the sealing shell 21 is fixedly connected with the inner wall of the top surface of the box cover 2, a pressing plate 22 slides on the inner wall of the sealing shell 21, an air bag 23 is fixed in the sealing shell 21, the air bag 23 is positioned below the pressing plate, when the air bag is used, an external air supply device is used for filling nitrogen into the air bag 23 through the air valve 25, the air bag 23 expands and deforms, the pressing plate 22 is pushed upwards, the elastic sheet 24 contracts and deforms upwards and accumulates force simultaneously, food is placed on the inner side of the partition plate 12, the box cover 2 is covered at the top end of the box body 1 after the placement is completed, the top end of the box body 1 is inserted into a gap between the sealing shell 21 and the box cover 2 and is sealed by the sealing strip 11, the folding plate 13 is unfolded to be in a horizontal state, the top column 131 on the top surface of the folding plate corresponds to the air valve 25, after the box cover 2 is completely inserted, the top column 131 is in contact with the valve core of the air valve 25 and extrudes the valve core, at the moment, the air valve 25 is opened, the nitrogen in the air bag 23 can enter the box body 1 through the air valve 25, and the pressing plate 22 always applies pressure to the air bag 23 under the action of the elastic sheet 24, under the effect of atmospheric pressure, the inside gas of box 1 can slowly outdiffusion, nitrogen gas in the gasbag 23 can slowly enter into in the box 1, when playing the slow circulation purpose of air, nitrogen gas can protect the food in the box 1, slow down its rotten speed, the save time of extension food, if the regional temperature of transportation is higher, can place the ice bag between box 1 and baffle 12, reduce the temperature, further delay the rotten speed of its food, the material of sealing strip 11 is rubber, the sealing strip 11 leakproofness of rubber material is better, thickness is 2mm, guarantee that sealing strip 11 is by sufficient leakproofness.

In fig. 4: the short side of one side of box 1 is inlayed and is equipped with permeability cell 14, permeability cell 14 runs through box 1 and baffle 12, the inner wall bonding of permeability cell 14 is fixed with ventilated membrane 15, the short side outer wall of box 1 rotates and is connected with the sealed lid 16 that corresponds with permeability cell 14, the bottom surface bonding of sealed lid 16 is fixed with sealed lid 161, if the regional temperature of transportation is higher, can place the ice bag between box 1 and baffle 12, the cooling, further delay its food rotten speed, the cross sectional dimension of sealed lid 161 is greater than the internal diameter size of permeability cell 14, when not using, rotate sealed lid 16, make sealed lid 161 seal up permeability cell 14 completely, the top surface intermediate position department fixedly connected with driving lever 162 of sealed lid 16, accessible driving lever 162 rotates sealed lid 16.

The utility model discloses a theory of operation and use flow: when the air bag is used, an external air supply device is used for filling nitrogen into the air bag 23 through the air valve 25, the air bag 23 expands and deforms, the pressing plate 22 is pushed upwards, the elastic sheet 24 contracts and deforms upwards and accumulates force simultaneously, food is placed on the inner side of the partition plate 12, the box cover 2 is covered at the top end of the box body 1 after the placement is completed, the top end of the box body 1 is inserted into a gap between the sealing shell 21 and the box cover 2 and is sealed by the sealing strip 11, the folding plate 13 is unfolded to be in a horizontal state, the top column 131 on the top surface of the folding plate corresponds to the air valve 25, after the box cover 2 is completely inserted, the top column 131 is in contact with the valve core of the air valve 25 and extrudes the valve core, at the moment, the air valve 25 is opened, the nitrogen in the air bag 23 can enter the box body 1 through the air valve 25, and the pressing plate 22 always applies pressure to the air bag 23 under the action of the elastic sheet 24, under the effect of atmospheric pressure, the inside gas of box 1 can slowly outdiffusion, nitrogen in gasbag 23 can slowly enter into box 1, when playing the purpose of slow circulation of air, nitrogen can protect the food in box 1, slow down its rotten speed, the save time of extension food, if the regional temperature of transportation is higher, can place the ice bag between box 1 and baffle 12, reduce the temperature, further delay its food rotten speed, simultaneously, can also rotate sealed lid 16 and open to suitable angle, the gas in box 1 is discharged through permeability cell 14 after the ventilative membrane 15 slows down, can increase the inside gas circulation's of box 1 speed, further delay its food rotten speed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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

1. The utility model provides a ventilative type food preservation carton, includes box (1) and case lid (2), its characterized in that: the top end outer side wall of the box body (1) is fixedly bonded with a sealing strip (11), a partition plate (12) is sleeved inside the box body (1), the bottom end of the partition plate (12) is fixedly connected with the bottom surface of the box body (1), the inner wall of the box body (1) and the inner and outer walls of the box cover (2) are fixedly bonded with a preservative film (101), a short side inner wall of one side of the box body (1) is hinged with a folded plate (13), the folded plate (13) is flush with the top end of the partition plate (12), a top surface fixedly connected with top column (131) of the folded plate (13), a sealing shell (21) is sleeved inside the box cover (2), the top end of the sealing shell (21) is fixedly connected with the top surface inner wall of the box cover (2), a pressing plate (22) slides on the inner wall of the sealing shell (21), and an air bag (23) is fixed inside, the air bag (23) is located below the pressing plate (22), the top end of the inner wall of the box cover (2) is fixedly connected with an elastic sheet (24), the bottom end of the elastic sheet (24) is in contact with the pressing plate (22), the bottom surface of the sealing shell (21) is fixedly connected with an air valve (25), and the air valve (25) is communicated with the air bag (23).

2. The air permeable food fresh keeping carton of claim 1, wherein: the box is characterized in that a vent pipe (14) is embedded on the short side of one side of the box body (1), the vent pipe (14) penetrates through the box body (1) and the partition plate (12), and a breathable film (15) is fixedly bonded on the inner wall of the vent pipe (14).

3. The air permeable food fresh keeping carton of claim 2, wherein: the outer wall of the short side of the box body (1) is rotatably connected with a sealing cover (16) corresponding to the vent pipe (14), and a sealing gasket (161) is fixedly bonded on the bottom surface of the sealing cover (16).

4. The air permeable food fresh keeping carton of claim 3, wherein: the cross-sectional dimension of the sealing gasket (161) is larger than the inner diameter dimension of the ventilation pipe (14).

5. The air permeable food fresh keeping carton of claim 3, wherein: a shift lever (162) is fixedly connected to the middle position of the top surface of the sealing cover (16).

6. The air permeable food fresh keeping carton of claim 1, wherein: the sealing strip (11) is made of rubber and has the thickness of 2 mm.