Self-heating anti-static food packaging box

Abstract

The utility model discloses a self-heating food anti-static packing box, which comprises a packing box shell, a limiting cover, a box cover, a hanging lug and a food storage box, a heating bin is arranged on the packing box shell, the limiting cover is arranged in the heating bin, a through hole is arranged on the limiting cover, a heating bag is placed in the limiting cover, and the food storage box is arranged on the box cover. A threaded ring is installed at a top end opening of the packaging box shell, an inner threaded groove is formed in the bottom face of the box cover, the inner threaded groove is screwed with the threaded ring, a box cover bin is formed in the top face of the box cover, and exhaust holes are formed in the box cover. According to the utility model, the problem that hot water cannot heat the upper part of food due to the fact that the inner box filled with the food is easily jacked up when the heating bag is swelled in water is avoided, so that the food is uniformly heated, tableware in the box cover bin can be heated and disinfected, and other food placed in the box cover bin can also be heated; and the generated hot steam can be reused.

Description

Technical Field

[0001] The utility model relates to the field of packaging boxes, in particular to a self-heating food anti-static packaging box. Background Art

[0002] With the acceleration of people's pace of life, there are more and more "fast and convenient" self-heating foods on the market. Well-known domestic and foreign brands have competed to launch a series of products such as self-heating rice, self-heating hot pot, self-heating rice noodles, and noodles. As a result, there are also many types of self-heating food packaging designs.

[0003] Existing devices have the following shortcomings when used: the heating pack in the self-heating food will expand when it comes into contact with water, which can easily lift up the inner box containing the food, causing the hot water to not heat the upper part of the food, resulting in uneven heating of the food, and the generated hot steam cannot be reused. Summary of the Invention

[0004] The purpose of the present invention is to provide a self-heating food anti-static packaging box to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a self-heating food anti-static packaging box, comprising a packaging box shell, a limiting cover, a box lid, a hanging ear and a food storage box, the packaging box shell is provided with a heating chamber, the limiting cover is installed in the heating chamber, the limiting cover is provided with a through hole, a heating pack is placed in the limiting cover, a threaded ring is installed at the top end of the packaging box shell, an internal threaded groove is provided on the bottom surface of the box lid, the internal threaded groove is screwed with the threaded ring, a box lid bin is provided on the top surface of the box lid, and an exhaust hole is provided on the box lid, which is screwed with the internal threaded groove provided on the bottom surface of the box lid by the threaded ring installed at the top end of the packaging box shell. The box lid can be removed by rotating the box lid, the food bag in the food storage box is opened, the food in the food bag is poured into the food storage box, and then the box lid is opened. Water is added to the heating chamber through the water injection hole provided on the hanging ear. After the water level is filled, the box lid is closed by rotating it. The water contacts the heating pack placed in the limiting cover through the through hole provided on the limiting cover. The heating pack heats the water. The food storage box is a high thermal conductivity aluminum foil tin plate. The hot water heats the food in the food storage box, avoiding the problem that the heating pack easily lifts up the inner box containing food when it encounters water expansion, causing the hot water to fail to heat part of the food. The food is heated evenly, and one end of the thin plastic film hot-pressed on the box lid chamber is torn open. The hot air generated by the heated food enters the box lid chamber through the water injection hole provided on the hanging ear and the exhaust hole provided on the box lid, which can heat and disinfect the tableware in the box lid chamber and can also heat other food placed in the box lid chamber, so that the generated hot steam can be reused.

[0006] In a further embodiment, a food storage box is placed in the heating chamber, and a hanging ear is provided on the food storage box. A water injection hole is opened on the hanging ear, and water is added to the heating chamber through the water injection hole opened on the hanging ear. The water becomes hot when it meets the heating pack and comes into contact with the food storage box placed in the heating chamber to heat the food.

[0007] In a further embodiment, tableware is placed in the lid compartment, and a thin plastic film is hot-pressed on the lid compartment. The tableware placed in the lid compartment is convenient for eating food, and tearing off a corner of the thin plastic film hot-pressed on the lid compartment on the lid facilitates the discharge of hot steam.

[0008] In a further embodiment, a limiting rod is installed on the packaging box shell, a limiting hole is opened on the hanging ear, the limiting hole is slidably connected to the limiting rod, and the limiting hole opened on the hanging ear is hung on the limiting rod installed on the packaging box shell to limit the food storage box.

[0009] In a further embodiment, an insulation layer is provided on the inner wall of the packaging box shell, and a vacuum layer is provided in the outer wall of the packaging box shell. The insulation layer provided on the inner wall of the packaging box shell plays a heat insulation role, and the vacuum layer provided in the outer wall of the packaging box shell plays a heat preservation role.

[0010] In a further embodiment, an antistatic film is attached to the outer wall of the packaging box shell, and the food storage box is an aluminum foil tin tray. The antistatic film attached to the outer wall of the packaging box shell has an antistatic effect.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] This prevents the heating pack from expanding when it comes into contact with water and easily lifting the inner box containing the food, causing the hot water to fail to heat part of the food, so that the food is heated evenly.

[0013] The tableware in the box cover bin can be heated and sterilized, and other foods placed in the box cover bin can also be heated, so that the generated hot steam can be reused. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the open structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the top view of the box cover of the present invention.

[0018] In the figure: 1. Packaging box shell; 2. Heating chamber; 3. Vacuum layer; 4. Insulation layer; 5. Limiting cover; 6. Through hole; 7. Heating pack; 8. Threaded ring; 9. Box lid; 10. Internal thread groove; 11. Water injection hole; 12. Hanging ear; 13. Food storage box; 14. Limiting hole; 15. Limiting rod; 16. Exhaust hole; 17. Box lid compartment; 18. Tableware; 19. Thin plastic film. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] See also Figure 1-4 The utility model provides an embodiment of a self-heating food anti-static packaging box, comprising a packaging box shell 1, a limiting cover 5, a box cover 9, a hanging ear 12 and a food storage box 13. The packaging box shell 1 is provided with a heating chamber 2, and the heating chamber 2 is installed with a limiting cover 5. The limiting cover 5 is provided with a through hole 6, and a heating pack 7 is placed in the limiting cover 5. A threaded ring 8 is installed at the top end of the packaging box shell 1, and an internal thread groove 10 is provided on the bottom surface of the box cover 9, and the internal thread groove 10 is screwed with the threaded ring 8. The top surface of the box cover 9 is provided with a box cover warehouse 17, and the box cover 9 is provided with an exhaust hole 16. The threaded ring 8 installed at the top end of the packaging box shell 1 is screwed with the internal thread groove 10 provided on the bottom surface of the box cover 9. The box cover 9 can be removed by rotating the box cover 9, the food bag in the food storage box 13 is opened, the food in the food bag is poured into the food storage box 13, and then the food is put into the food storage box 13. The hot water heats the food in the food storage box 13, thereby preventing the heating pack 7 from easily lifting the inner box containing the food when it expands when encountering water, causing the problem that the hot water cannot heat the upper part of the food, so that the food is heated evenly. One end of the thin plastic film 19 hot-pressed on the lid chamber 17 on the lid 9 is torn open, and the hot air generated by the heated food enters the lid chamber 17 through the water injection hole 11 provided on the hanging ear 12 and the exhaust hole 16 provided on the lid 9, so as to heat and disinfect the tableware in the lid chamber 17 and heat other food placed in the lid chamber 17, so that the generated hot steam can be reused.

[0021] See also Figure 1-4A food storage box 13 is placed in the heating chamber 2, and a hanging ear 12 is provided on the food storage box 13. A water injection hole 11 is opened on the hanging ear 12. Water is added to the heating chamber 2 through the water injection hole 11 opened on the hanging ear 12. The water becomes hot when it encounters the heating bag 7 and contacts the food storage box 13 placed in the heating chamber 2 to heat the food. Tableware 18 is placed in the box cover chamber 17. A thin plastic film 19 is hot-pressed on the box cover chamber 17 on the box cover 9. The tableware 18 placed in the box cover chamber 17 is convenient for eating food. Tearing off a corner of the thin plastic film 19 hot-pressed on the box cover chamber 17 on the box cover 9 facilitates the discharge of hot steam.

[0022] See also Figure 1-4 A limiting rod 15 is installed on the packaging box shell 1, and a limiting hole 14 is provided on the hanging ear 12. The limiting hole 14 is slidably connected to the limiting rod 15, and the limiting hole 14 provided on the hanging ear 12 is hung on the limiting rod 15 installed on the packaging box shell 1 to limit the food storage box 13. An insulating layer 4 is provided on the inner wall of the packaging box shell 1, and a vacuum layer 3 is provided in the outer wall of the packaging box shell 1. The insulating layer 4 provided on the inner wall of the packaging box shell 1 plays a heat-insulating role, and the vacuum layer 3 provided in the outer wall of the packaging box shell 1 plays a heat-insulating role. An anti-static film is affixed to the outer wall of the packaging box shell 1. The food storage box 13 is an aluminum foil tin plate. The anti-static film affixed to the outer wall of the packaging box shell 1 has an anti-static effect.

[0023] Working principle: The threaded ring 8 installed at the top end of the packaging box shell 1 is screwed with the internal thread groove 10 provided on the bottom surface of the box cover 9. The box cover 9 can be removed by rotating it, and the food bag in the food storage box 13 is opened. The food in the food bag is poured into the food storage box 13, and then water is added to the heating chamber 2 through the water injection hole 11 provided on the hanging ear 12. After the water level is filled, the box cover 9 is closed again by rotating it, and the water contacts the heating pack 7 placed in the limiting cover 5 through the through hole 6 provided on the limiting cover 5. The heating pack 7 generates heat to heat the water. The food storage box 13 is a high thermal conductivity aluminum foil tin plate, and the hot water has a great effect on the food in the food storage box 13. Heating is carried out to prevent the heating pack 7 from easily lifting the inner box containing food when it expands in water, causing the hot water to fail to heat the upper part of the food, so that the food is heated evenly. One end of the thin plastic film 19 hot-pressed on the lid chamber 17 on the box cover 9 is torn open, and the hot air generated by the heating of the food enters the lid chamber 17 through the water injection hole 11 opened on the hanging ear 12 and the exhaust hole 16 opened on the box cover 9, which can heat and disinfect the tableware in the lid chamber 17, and can also heat other foods placed in the lid chamber 17, so that the generated hot steam can be reused. The anti-static film pasted on the outer wall of the packaging box shell 1 has an anti-static effect.

[0024] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A self-heating food anti-static packaging box, comprising a packaging box shell (1), a box cover (9) and a food storage box (13), characterized in that: The packaging box shell (1) is provided with a heating chamber (2), a limiting cover (5) is installed in the heating chamber (2), a through hole (6) is provided on the limiting cover (5), a heating pack (7) is placed in the limiting cover (5), a threaded ring (8) is installed at the top end of the packaging box shell (1), an internal thread groove (10) is provided on the bottom surface of the box cover (9), the internal thread groove (10) is screwed with the threaded ring (8), a box cover chamber (17) is provided on the top surface of the box cover (9), and an exhaust hole (16) is provided on the box cover (9).

2. The anti-static packaging box for self-heating food according to claim 1, characterized in that: A food storage box (13) is placed in the heating chamber (2), a hanging ear (12) is provided on the food storage box (13), and a water injection hole (11) is provided on the hanging ear (12).

3. The anti-static packaging box for self-heating food according to claim 1, characterized in that: Tableware (18) is placed in the box cover compartment (17), and a thin plastic film (19) is hot-pressed on the box cover compartment (17) on the box cover (9).

4. The antistatic packaging box for self-heating food according to claim 2, characterized in that: A limiting rod (15) is installed on the packaging box shell (1), and a limiting hole (14) is provided on the hanging ear (12). The limiting hole (14) is slidably connected to the limiting rod (15).

5. The self-heating food anti-static packaging box according to claim 1, characterized in that: A heat insulation layer (4) is provided on the inner wall of the packaging box shell (1), and a vacuum layer (3) is provided in the outer wall of the packaging box shell (1).

6. The anti-static packaging box for self-heating food according to claim 1, characterized in that: An antistatic film is affixed to the outer wall of the packaging box shell (1), and the food storage box (13) is an aluminum foil tin tray.

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