CN109649854B - Self-heating food packing box - Google Patents
Self-heating food packing box Download PDFInfo
- Publication number
- CN109649854B CN109649854B CN201910133574.9A CN201910133574A CN109649854B CN 109649854 B CN109649854 B CN 109649854B CN 201910133574 A CN201910133574 A CN 201910133574A CN 109649854 B CN109649854 B CN 109649854B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 133
- 235000013305 food Nutrition 0.000 title claims abstract description 70
- 238000012856 packing Methods 0.000 title description 8
- 238000004806 packaging method and process Methods 0.000 claims abstract description 59
- 238000000926 separation method Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims description 12
- 239000004615 ingredient Substances 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 10
- 235000014347 soups Nutrition 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000003779 heat-resistant material Substances 0.000 claims description 3
- 231100000252 nontoxic Toxicity 0.000 claims description 3
- 230000003000 nontoxic effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 241000209094 Oryza Species 0.000 description 10
- 235000007164 Oryza sativa Nutrition 0.000 description 9
- 235000009566 rice Nutrition 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000011796 hollow space material Substances 0.000 description 5
- 238000010009 beating Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 235000013312 flour Nutrition 0.000 description 3
- 239000002075 main ingredient Substances 0.000 description 3
- 235000012149 noodles Nutrition 0.000 description 3
- 235000012046 side dish Nutrition 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 235000012054 meals Nutrition 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 235000015067 sauces Nutrition 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 235000011888 snacks Nutrition 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 235000021056 liquid food Nutrition 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000021178 picnic Nutrition 0.000 description 1
- 235000021462 rice dishes Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package
- B65D81/3484—Packages having self-contained heating means, e.g. heating generated by the reaction of two chemicals
Abstract
The invention discloses a self-heating food packaging box, which comprises a box cover, an outer box and an inner box, wherein the inner box is embedded in the outer box from the top opening of the outer box, two positional relations of a packaging superposition state and a heating separation state are arranged between the inner box and the outer box, in the packaging superposition state, the bottom of the inner box is superposed and contacted with the bottom of the outer box, food bags and heating bags in the packaging box are closely arranged in the inner box, in the heating separation state, the bottom of the inner box and the bottom of the outer box are separated to form a heating space, the food bags in the packaging box are arranged in the inner box, and the heating bags are arranged in the heating space; the box cover is buckled on the inner box and the outer box simultaneously, and the position positioning between the inner box and the outer box is respectively realized under the packaging superposition state and the heating separation state. The self-heating food packaging box has the advantages of effectively reducing the self-heating food packaging volume, being convenient to carry and operate, saving the manufacturing cost and the transportation cost and improving the deformation resistance of the packaging box.
Description
Technical Field
The invention belongs to the technical field of self-heating food packaging, and particularly relates to a self-heating food packaging box.
Background
Along with the acceleration of the current life pace of people, the number of fast and convenient self-heating foods in the market is increasing, series of products such as self-heating rice, self-heating hot pot, self-heating rice flour, noodles and the like are put forward in competition with known brands at home and abroad, and the self-heating food packaging designs are various, but the defects that the packaging volume is overlarge, the carrying is inconvenient due to overlarge packaging volume, the transportation process is easy to squeeze and deform due to excessive internal space, the safety coefficient is lower and the like are commonly caused.
The self-heating rice meal box in the market is generally 8-9cm in height, the self-heating hot pot is mostly circular in design, the meal box is 12-15cm in height, the occupied space is larger, and the self-heating hot pot is inconvenient to transport and store. The Chinese patent application with the application number 201711235216 discloses an anti-scalding hollow self-heating cutlery box, the Chinese patent application with the application number 201721423552 also discloses a self-heating chafing dish packing box, and the cutlery box of the technical proposal has a hollow space therein and is easy to squeeze and deform in the transportation and storage processes; and the volume is larger, and the transportation cost and the storage space are increased.
The Chinese patent application with the application number of 2013103609163 discloses an instant self-heating cutlery box, the Chinese patent application with the application number of 2016101400299 also discloses an instant self-heating snack box, and the above technical scheme adopts a mode that a pintle punctures a film to heat, so that the structural design is complicated, misoperation is easy to cause in the transportation process, and the snack box is not safe enough.
In addition, for example, the Chinese patent application with the application number of 201711207523 discloses a self-heating small chafing dish which can be cooked and separated, and the technical scheme adopts the upper layer and the lower layer to separate and heat, so that the heating rate of the upper layer is affected, and the periphery of the packaging box is not provided with any convex design, so that the self-heating small chafing dish is inconvenient to use.
Disclosure of Invention
The invention solves the technical problems that: aiming at the problems of large self-heating food package volume, multiple consumables, easy beating, extrusion deformation and the like of the existing self-heating food package mode, the self-heating food package box with a high-integration structure is provided.
The invention is realized by adopting the following technical scheme:
the self-heating food packaging box comprises a box cover 1, an outer box 2 and an inner box 3, wherein the inner box 3 is embedded in the outer box 2 from the top opening of the outer box 2, a packaging superposition state and a heating separation state are arranged between the inner box 3 and the outer box 2, in the packaging superposition state, the bottom of the inner box 3 is in superposition contact with the bottom of the outer box 2, food bags and heating bags in the packaging box are closely arranged in the inner box 3, in the heating separation state, the bottom of the inner box 3 and the bottom of the outer box 2 are separated to form a heating space, the food bags in the packaging box are arranged in the inner box 3, and the heating bags are arranged in the heating space; the box cover 1 is buckled on the inner box 3 and the outer box 2 at the same time, and the position positioning between the inner box 3 and the outer box 2 is respectively realized under the packaging superposition state and the heating separation state.
Further, the tops of the outer box 2 and the inner box 3 are respectively provided with an outward bending binding, the periphery of the box cover 1 is provided with a downward bending positioning flanging 11, and the inner side of the positioning flanging 11 is provided with a positioning inner buckle which is respectively buckled with the outer box binding and the inner box binding simultaneously.
Further, at least three groups of positioning inner buckles are arranged on the inner side of the positioning flanging 11.
Further, the outer case 2 and the inner case 3 have the same bottom surface shape capable of being nested with each other, and a gap for steam circulation is formed between the inner wall of the outer case 2 and the outer wall of the inner case 3.
Further, an inner box ventilation hole 32 is formed in the side wall of the inner box 3.
Further, set up lid bleeder vent 15 on the lid 1, under the heating state of separating, the gap circulation between interior box and outer box lateral wall of the steam that generates heat package and water production in the heating space, the space inside the interior box of entering through interior box bleeder vent heats the food package, when inside steam reaches certain pressure, unnecessary steam can escape through the lid bleeder vent, avoids in the box steam pressure too big to lead to dangerous emergence.
Further, the food package includes a main ingredient package containing main foods including, but not limited to, rice flour, and noodles, and an ingredient package containing ingredients including, but not limited to, meats, eggs, dehydrated vegetables, and sauces. The main food and the side dishes can be solid or liquid and are packaged in a sealing way through the packaging bags of the food bags, and the upper ports of the packaging bags are provided with easy-tearing notches.
Further, a partition 33 for classifying the main material package and the ingredient package is further provided in the inner case 3.
Further, the heating bag is internally provided with a self-heating agent, and the self-heating agent reacts with water to generate heat so as to heat food in the inner box.
In the self-heating food packaging box, the box cover 1, the outer box 2 and the inner box 3 are all made of nontoxic food-grade heat-resistant materials.
The invention provides a self-heating food packaging box with high integration package, which is characterized in that an inner box and an outer box are mutually overlapped in a packaging overlapped state, a food bag, a heating bag and tableware in the packaging box are closely and integrally arranged in a packaging space of the inner box, and a hollow space is not formed between the inner box and the outer box, so that the whole self-heating food packaging box is compact in structure, the whole packaging is tighter, and the deformation resistance of the self-heating food packaging box is improved; meanwhile, the inner box and the outer box can move relatively, the inner box is pulled out relative to the outer box, a heating space is formed between the bottom of the inner box and the bottom of the outer box, a self-heating structure of self-heating food can be formed by putting a heating bag and water into the heating space, and the generated hot gas heats the food in the inner box, so that the convenience of self-heating food self-heating is ensured; through lid simultaneously with interior box and outer box lock, no matter under packing coincide state or heating separates under the state, can both carry out the position location to interior box and outer box, guaranteed the packing reliability of whole self-heating food package box under packing coincide state, improved the reliability of food self-heating process under the heating separates the state.
In summary, the beneficial effects of the invention are as follows: the movable sleeve box design of the inner box and the outer box is adopted, so that the packaging volume of the self-heating food is effectively reduced, no hollow space exists in the packaging overlapped state, the whole packaging volume is about 1/2 of that of the current commercial products, the carrying is convenient, a water drum is not required to be arranged, and the load during carrying is reduced; the whole packaging box is simple in structure and convenient to operate, and meanwhile, the manufacturing cost and the transportation cost are saved; the packing process fills the inner box space with the interior material, has compact structure, is resistant to beating and extrusion deformation during transportation, is particularly suitable for various personnel such as field army, passengers, tourists and the like, and is particularly suitable for the fields such as travel, picnic, military and the like.
The invention is further described below with reference to the drawings and detailed description.
Drawings
Fig. 1 is a schematic view of the self-heating food package in the stacked package state according to the first embodiment.
Fig. 2 is a schematic view showing the structure of the self-heating food package in the heat-isolated state according to the first embodiment.
Fig. 3 is a schematic diagram of a lid structure in the first embodiment.
Fig. 4 is a schematic view of the outer case structure in the first embodiment.
Fig. 5 is a schematic view of the inner case structure in the first embodiment.
Fig. 6 is a schematic view of the self-heating food package in the second embodiment in a stacked package state.
Fig. 7 is a schematic view showing the structure of the self-heating food package in the heating-isolated state in the second embodiment.
Fig. 8 is a schematic diagram of the inner case structure in the second embodiment.
Reference numerals in the drawings: 1-box cover, 11-positioning flanging, 12-first positioning inner buckle, 13-second positioning inner buckle, 14-third positioning inner buckle, 15-box cover ventilation hole, 2-outer box, 21-outer box edge, 200-heating space, 3-inner box, 31-inner box edge, 32-inner box ventilation hole, 33-partition board, 300-packaging space, 4-food package, 41-main material package, 42-ingredient package, 5-heating package and 6-tableware.
Detailed Description
Example 1
Referring to fig. 1 and 2, the self-heating food package box in this embodiment is a preferred scheme of the present invention, and comprises three major parts of a box cover 1, an outer box 2 and an inner box 3, wherein a food package 4, a heating package 5 and tableware 6 are arranged in the package box, and the package box is particularly suitable for main foods such as rice flour, noodles and the like which need to be mixed with soup, and is also suitable for packaging rice and side dishes.
Specifically, the outer box 2 and the inner box 3 are square structures with the sizes being matched, the bottom square of the inner box 3 is slightly smaller than the bottom direction of the outer box 2, the outer box 2 and the inner box 3 are box bodies with top surfaces being open, and the inner box 3 is embedded in the outer box 2 from the top surface opening of the outer box 2 to form a movable box sleeving structure. The box cover 1 can be buckled on the outer box 2 and the inner box 3 at the same time to cover the box body. In practical applications, the outer case 2 and the inner case 3 may also adopt other suitable bottom shapes that can be overlapped, such as a circle, an ellipse, and the like.
The self-heating food packaging box of the embodiment adopts the movable sleeve box structure, and can form a packaging superposition state and a heating separation state, wherein the packaging superposition state is a packaging state from the completion of self-heating food production packaging to the final heating before use, and the heating separation state is a use state of self-heating food in the self-heating process.
As shown in fig. 1, in the packaging and overlapping state, after the inner case 3 is embedded from the top surface opening of the outer case 2, the bottom of the inner case is in overlapping contact with the bottom of the outer case, no hollow space exists between the inner case and the outer case, the food bag 4 and the heating bag 5 in the self-heating food packaging box are tightly arranged in the packaging space 300 inside the inner case 3, tableware 6 can be also placed in the packaging space 300 together, the tableware 6 comprises chopsticks, forks, spoons and the like, the case cover 1 covers the tops of the outer case 2 and the inner case 3 at the same time, the outer case 2 and the inner case 3 are simultaneously buckled in a positioning way, the outer case 2 and the inner case 3 form a limit at the same time when the packaging box is covered, and the movable sleeve structure formed by the outer case 2 and the inner case 3 is prevented from being automatically separated in the transportation process.
As shown in fig. 2, in the heating-spaced state, the inner case 3 is withdrawn from the outer case 2 by a certain height, the inner case bottom and the outer case bottom are separated, a hollow heating space 200 is formed between the inner case bottom and the outer case bottom, at this time, the heating pack 5 in the packing space is taken out to be placed in the heating space 200, and water is added to the heating space 200 to be mixed with the self-heating agent in the heating pack 5, and a large amount of steam is generated to heat the food pack 4 in the inner case 3. At this time, the box cover 1 can be simultaneously buckled with the outer box 2 and the inner box 3, and the outer box 2 and the inner box 3 are positioned in a heating separation state by utilizing a positioning structure on the box cover 1, so that the outer box and the inner box form a relatively closed steam heating space, and meanwhile, the relative stability of the outer box and the inner box in the heating separation state is ensured.
Specifically, as shown in fig. 3, fig. 4 and fig. 5, in this embodiment, the square cover body adapted to the outer case and the inner case is adopted at the case cover 1, the positioning flanges 11 bent downward are provided at the peripheral edges of the case cover 1, the outer case wrapping edges 21 and the inner case wrapping edges 31 bent outward are respectively provided at the four peripheral edges of the top of the outer case 2 and the inner case 3, the movement of the inner case 3 in the outer case 2 is not affected by the outwardly bent wrapping structure, and when the case cover 1 is covered on the outer case 2 and the inner case 3 which are overlapped, the positioning flanges 11 are simultaneously buckled at the outer sides of the outer case wrapping edges 21 and the inner case wrapping edges 31. The positioning flanging 11 is provided with positioning inner buckles corresponding to the outer box wrapping edges 21 and the inner box wrapping edges 31 respectively, and after the box cover 1 is covered on the outer box 2 and the inner box 3, the positioning inner buckles are buckled with the outer box wrapping edges 21 of the outer box 2 and the inner box wrapping edges 31 of the inner box 3 respectively, so that the outer box 2 and the inner box 3 are positioned. The positioning flange 11, the outer box edge 21 and the inner box edge 31 are protruded out of the side wall of the box body, and are convenient to take in the use process.
The positioning inner buckle is a bulge protruding out of the positioning flanging 11, and a concave position between two adjacent bulges is buckled with the outer box wrapping edge 21 or the inner box wrapping edge 31 to realize positioning. The box cover 1, the outer box 2 and the inner box 3 are made of nontoxic food-grade heat-resistant materials commonly used for self-heating food packaging, the positioning flange 11, the outer box edge 21 and the inner box edge 31 are formed by injection molding in a uniform mode, the materials are similar to plastic materials, certain deformation is achieved, and the buckled edge and the inner buckle can be separated through external force. Under the action of the external force, the packaging strength of the whole self-heating food packaging box is reliable and stable.
For the package overlapping state and the heating separation state between the outer case 2 and the inner case 3 in the present embodiment, three sets of positioning inner buttons are provided on the inner side of the positioning flange 11: a first positioning inner buckle 12, a second positioning inner buckle 13 and a third positioning inner buckle 14. When the outer box 2 and the inner box 3 are in a packaging superposition state, an inner box edge 31 of the inner box 3 is buckled with a concave position between the first positioning inner buckle 12 and a cover plate of the box cover 1, at the moment, an outer box edge 21 of the outer box 2 is limited at a concave position between the first positioning inner buckle 12 and the second positioning inner buckle 13, and the box cover 1 is buckled on the outer box 2 and the inner box 3 at the same time, and meanwhile, the position relationship between the outer box 2 and the inner box 3 is limited by the box cover 1; in the state that the outer box 2 and the inner box 3 are separated by heating, the inner box edge 31 of the inner box 3 is also buckled with the concave position between the first positioning inner buckle 12 and the cover plate of the box cover 1, at this time, a certain distance is separated between the outer box 2 and the inner box 3, the outer box edge 21 of the outer box 2 is limited at the concave position between the second positioning inner buckle 13 and the third positioning inner buckle 14, and after the position relation between the outer box 2 and the inner box 3 of the box cover 1 is changed, the inner box 3 and the outer box 2 can still be buckled on the inner box 3 at the same time, so that the position limitation of the outer box 2 and the inner box 3 is realized. In practical application, more than three groups of positioning inner buckles can be arranged on the positioning flanging 11 of the box cover 1 to adjust heating spaces with different heights, but the length of downward bending of the positioning flanging 11 is ensured to exceed the height of the heating space formed by separating the bottom of the inner box from the bottom of the outer box, so that the box cover 1 can be buckled with the outer box 2 and the inner box 3 simultaneously no matter in a superposition state or a heating separation state.
Referring again to fig. 3 and 5, in order to ensure effective heating of food by the hot steam in the heating spaced state, a gap for steam circulation is formed between the inner wall of the outer case 2 and the outer wall of the inner case 3 in this embodiment, and a plurality of inner case ventilation holes 32 are provided on the side wall of the inner case, and a case cover ventilation hole 15 is provided on the case cover 1. Under the heating separation state, the gap circulation between the inner box and the outer box side wall of the heating bag and the hot steam generated by water in the heating space is realized, the space inside the inner box is filled with the inner box through the inner box ventilation holes 32 to heat the food bag, and when the internal steam reaches a certain pressure, the redundant steam can escape through the box cover ventilation holes 15, so that the dangerous occurrence caused by the overlarge steam pressure in the box is avoided.
The specific use of this embodiment is described in detail below.
In this embodiment, when the package is transported, the outer case 2 and the inner case 3 are stacked together, and the case cover 1 is fastened to the outer case 2 and the inner case 3 at the same time to realize sealing and positioning, as shown in fig. 1, the inner materials such as the food package 4, the heating package 5, and the tableware 6 are tightly arranged in the package space 300 of the inner case 3, and compared with the common self-heating food package box, the package box of this embodiment has a reduced volume of nearly half in this state because of no hollow space for heating, and the inner materials are tightly arranged in the double-layer package box, so that the package box can be effectively prevented from being deformed due to extrusion and beating in the transportation and storage process. When the lunch box is used, the box cover 1 is opened, a user needs to completely withdraw the inner box 3 from the outer box 2, then take out the heating bag 5 to be placed at the bottom of the outer box 2, add water to submerge the heating bag, place the food bag 4 into the packaging space 300 of the inner box 3, continuously place the inner box 3 into the outer box 2, then cover the box cover 1, enable the box cover 1 to be buckled and positioned with the inner box 3 and the outer box 2 again at the same time, enable the inner box 3 and the outer box 2 to form a stable upper and lower two-layer structure to be fixed, hot steam generated by the heating bag 5 in the heating space 200 between the outer box 2 and the inner box 3 passes through a side wall gap between the outer box 2 and the inner box 3, enter the inner box air holes 32 of the inner box 3 to be discharged through the box cover 15 on the box cover 1 after being circulated, evenly heat the food in the inner box 3, and shorten the heating time.
Example two
As shown in fig. 6 and 7, the self-heating food package in this embodiment is another preferred embodiment of the present invention, and this embodiment is suitable for self-heating rice packages, and can be used for respectively holding rice or soup, so as to avoid the influence of the same frame of rice and soup on the flavor.
Since the package of the self-heating rice generally packages the main food and the side dishes or soup, the food bag 4 in the present embodiment includes the main ingredient bag 41 and the ingredient bag 42, and the present embodiment is provided with the vertical partition 33 to divide the inner case into two or more relatively independent spaces on the basis of the first embodiment, as shown in fig. 8, the main ingredient bag 41 and the ingredient bag 42 are separately placed in different package spaces. Meanwhile, the heating packs 5 are arranged into a plurality of groups of heating packs with the sizes corresponding to the main material packs 41 and the ingredient packs 42 one by one, so that the main material packs 41, the ingredient packs 42 and the heating packs 5 are placed in the packaging space 300 of the inner box 3 together in a classified manner under the packaging and overlapping state. The outer case 2 of the present embodiment does not need to be provided with a partition plate since the inner case 3 needs to be placed therein.
Because the inner box ventilation holes 32 are arranged at a certain height position of the side wall of the inner box, the inner box can be used for heating liquid foods such as soup or sauce, and the like, so that liquid is prevented from flowing into the heating space.
Other structures of the box cover 1, the outer box 2 and the inner box 3 in this embodiment are the same as those in the first embodiment, and the specific status using process is the same as that in the first embodiment, so that the description of this embodiment is not repeated here.
The above is only a specific embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (8)
1. Self-heating food package box, including lid (1), outer box (2) and interior box (3), its characterized in that:
the inner box (3) is embedded in the outer box (2) from the top opening of the outer box (2), two positional relations of a packaging superposition state and a heating separation state are arranged between the inner box (3) and the outer box (2), in the packaging superposition state, the bottom of the inner box (3) is in superposition contact with the bottom of the outer box (2), food bags and heating bags in the packaging box are tightly arranged in the inner box (3), in the heating separation state, the bottom of the inner box (3) and the bottom of the outer box (2) are separated to form a heating space, the food bags in the packaging box are arranged in the inner box (3), and the heating bags are arranged in the heating space;
the box cover (1) is buckled on the inner box (3) and the outer box (2) at the same time, and the position positioning between the inner box (3) and the outer box (2) is respectively realized under the packaging superposition state and the heating separation state; the food package comprises a main material package and an ingredient package, wherein the main material package is filled with main food, and the ingredient package is filled with dishes or soup bases; the heating bag is internally provided with a self-heating agent.
2. The self-heating food package of claim 1, wherein: the top of outer box (2) and interior box (3) all is equipped with the bordure of outwards buckling, the periphery of lid (1) is equipped with location turn-ups (11) of buckling downwards, the inboard of location turn-ups (11) is equipped with the location inner buckle of respectively with outer box bordure and interior box bordure simultaneous lock.
3. The self-heating food package of claim 2, wherein: at least three groups of positioning inner buckles are arranged on the inner side of the positioning flanging (11).
4. The self-heating food package of claim 1, wherein: the outer box (2) and the inner box (3) have the same bottom surface shape capable of being mutually nested, and a gap for steam circulation is formed between the inner wall of the outer box (2) and the outer wall of the inner box (3).
5. The self-heating food package of claim 4, wherein: an inner box ventilation hole (32) is formed in the side wall of the inner box (3).
6. The self-heating food package of claim 5, wherein: the box cover (1) is provided with a box cover ventilation hole (15).
7. The self-heating food package of claim 1, wherein: the inside of the inner box (3) is also provided with a partition board (33) for classifying the main material bags and the ingredient bags.
8. The self-heating food package according to any one of claims 1-7, wherein: the box cover (1), the outer box (2) and the inner box (3) are all made of nontoxic food-grade heat-resistant materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910133574.9A CN109649854B (en) | 2019-02-22 | 2019-02-22 | Self-heating food packing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910133574.9A CN109649854B (en) | 2019-02-22 | 2019-02-22 | Self-heating food packing box |
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| Publication Number | Publication Date |
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| CN109649854A CN109649854A (en) | 2019-04-19 |
| CN109649854B true CN109649854B (en) | 2024-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910133574.9A Active CN109649854B (en) | 2019-02-22 | 2019-02-22 | Self-heating food packing box |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228664B (en) * | 2019-05-10 | 2021-07-16 | 王照云 | Packing box |
| CN110522042A (en) * | 2019-08-06 | 2019-12-03 | 成都小龙坎餐饮管理有限公司 | A kind of convenient and instant chafing dish and preparation method thereof |
| CN111361861B (en) * | 2020-03-23 | 2021-10-22 | 黄淑芳 | Disposable plastic packaging lunch box for take-out in dining room |
| CN112644893B (en) * | 2021-01-13 | 2021-12-17 | 班桥实业(上海)有限公司 | Disposable plastic lunch box with self-heating function |
| CN113150749A (en) * | 2021-02-09 | 2021-07-23 | 中国农业科学院农产品加工研究所 | Method and device for improving thermal efficiency of aluminum-based heating bag for food |
| CN112938185A (en) * | 2021-04-13 | 2021-06-11 | 成都程锦食品有限公司 | Instant hot pot with noodle steaming function and noodle steaming method thereof |
| CN113619933A (en) * | 2021-07-09 | 2021-11-09 | 付建 | Portable steamed bun and steamed stuffed bun self-heating box and heating method |
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| CN109649854A (en) | 2019-04-19 |
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