Self-heating food packaging box
By employing four sets of easy-tear films and a pull-out rope structure in the self-heating food packaging box, rapid contact heating between the water source and the heating agent is achieved, solving the problem of complex operation in existing technologies and improving dining efficiency and experience.
Patent Information
- Application Number
- CN202423226295.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Existing self-heating food packaging boxes require users to open the food pack, ingredient pack, and water pack multiple times during use, which is complicated and not conducive to quick use.
A self-heating food packaging box was designed, which uses four sets of easy-tear films to seal and store the auxiliary materials, staple food, heating agent and water source in independent spaces. It can be opened at once by four sets of pull ropes and pull blocks to complete the contact heating of water source and heating agent, simplifying the operation process.
It enables the mixing of food and condiments, as well as the mixing of heat source and liquid, to be completed in one action, improving the dining experience and efficiency, and simplifying the usage process.
Smart Images

Figure CN223645408U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a self-heating packaging box technical field especially a self-heating food packaging box. BACKGROUND
[0002] The self-heating packaging box is a packaging box that generates heat to heat food through chemical reaction. Its working principle is to place a heating agent in the packaging box, which is usually composed of calcined diatomite, iron powder, aluminum powder, coke powder, activated carbon, salt, etc. When these components react with water, heat is generated, thereby heating the food.
[0003] In the document no. CN207467359U, a self-heating type instant food is disclosed, a self-heating packaging box, including a shell, an upper cover and an inner box, a partition is provided in the shell to divide the shell into a heating cavity and a cooking cavity, the inner box is placed in the cooking cavity, a plurality of heat-conducting holes are provided on the partition to communicate the heating cavity and the cooking cavity; a baffle is provided in the middle of the heating cavity, a protection plate is provided on one side of the baffle, a self-heating bag is provided on the other side of the baffle, a purified water bag is provided between the baffle and the protection plate, a plurality of water holes are provided at the bottom of the baffle; a bag breaking mechanism is provided on the protection plate for piercing the purified water bag, a guide wheel is provided on the partition between the protection plate and the shell, a pulling assembly is provided on the shell for pulling the bag breaking mechanism, a pull rope is provided on the pulling assembly, the pull rope passes through the guide wheel and the protection plate in sequence and is connected with the bag breaking mechanism. The problem of not being able to mix the internal water and the self-heating bag outside the shell is solved.
[0004] The existing self-heating food packaging box needs to be disassembled, unpacked, unpacked and unpacked, and the packaging box with water source can only be pierced by the piercing mechanism to contact the heating agent and heat up, but the food package and the auxiliary package still need to be disassembled, the process operation is more, and it is not conducive to the user's quick use of the self-heating food.
[0005] To solve the above problems, a self-heating food packaging box is proposed. UTILITY MODEL CONTENT
[0006] The main purpose of the utility model is to provide a self-heating food packaging box, which solves the problems mentioned in the background technology.
[0007] The purpose of the utility model can be achieved by adopting the following technical solutions:
[0008] The application discloses a self-heating food packaging box, which comprises a bowl body, a bowl cover movably arranged on the top of the bowl body, a main food box arranged in the bowl body and located below the bowl cover, and a heating mechanism arranged at the bottom of the bowl body and located below the main food box.
[0009] An inner liner is fixedly arranged in the inner wall of the bowl cover, a first auxiliary material partition plate in annular structure is formed at the top of the inner side wall of the inner liner, a plurality of second auxiliary material partition plates are formed in the annular cavity of the first auxiliary material partition plate, and a first easy-to-tear film is fixedly arranged at the bottom of the inner liner, the first auxiliary material partition plate and the second auxiliary material partition plate.
[0010] The heating mechanism comprises a heating agent box and a water purifying box fixedly arranged at the bottom of the bowl body, a third easy-to-tear film is clamped and pressed on the outer wall of the heating agent box, and a fourth easy-to-tear film is clamped and pressed on the outer wall of the water purifying box.
[0011] The pulling rope assembly is connected to the first easy-to-tear film, the second easy-to-tear film, the third easy-to-tear film and the fourth easy-to-tear film.
[0012] Further, the pulling rope assembly comprises a second pulling rope fixedly connected to the bottom of the first easy-to-tear film, a first pulling rope fixedly connected to the top of the second easy-to-tear film, a third pulling rope fixedly connected to the third easy-to-tear film and a fourth pulling rope fixedly connected to the fourth easy-to-tear film.
[0013] Further, the third pulling rope and the fourth pulling rope slide along the pulling groove formed in the wall cavity of the bowl body, and the free ends of the first pulling rope, the second pulling rope, the third pulling rope and the fourth pulling rope are fixedly connected to the pulling block.
[0014] Further, the first easy-to-tear film is provided with a fracture indentation at the connecting position of the inner wall of the bowl cover, the second easy-to-tear film is provided with a fracture indentation at the connecting position of the inner wall of the main food box, the third easy-to-tear film is provided with a fracture indentation at the connecting position of the inner wall of the heating agent box and the bottom wall of the bowl body, and the fourth easy-to-tear film is provided with a fracture indentation at the connecting position of the inner wall of the water purifying box and the bottom wall of the bowl body.
[0015] Further, the pulling block slides along the pulling hole penetrating through the outer wall of the bowl body.
[0016] Further, the inner wall cavity of the main food box is formed with a gas permeation hole penetrating through, and the gas permeation hole is in communication with the inside of the bowl cover and the heating cavity at the bottom of the main food box.
[0017] Further, the height of the heating agent box and the water purifying box is not less than 35 mm.
[0018] Further, the top inner wall of the bowl cover is formed with an exhaust hole penetrating through the connecting body between the inner liner and the second auxiliary material partition.
[0019] The utility model discloses beneficial technical effects:
[0020] The utility model discloses a meal box is provided with 4 groups of independent space of storing auxiliary material, staple food, heating agent and water source bag on the self -heating food box, and four groups of tear membrane are used to close the 4 groups of space, and the outer wall of easy tear membrane is fixedly connected with 4 groups of pull rope, and the free end of pull rope is connected on pull block, and pull block is placed on the outer wall of meal box, so that user can drive 4 groups of easy tear membrane to open and pull out meal box through pull block once, and auxiliary material is combined with staple food, and water source contacts heating agent and heats, and one action can complete the heating of self -heating food, improves dining experience and dining efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is a preferred embodiment's structure schematic view of a kind of self -heating food packaging box according to the utility model;
[0022] Figure 2 It is a preferred embodiment's bottom view of a kind of self -heating food packaging box according to the utility model;
[0023] Figure 3 It is a preferred embodiment's parts explosion view of a kind of self -heating food packaging box according to the utility model;
[0024] Figure 4 It is the top view of the connection relationship of heating mechanism and pull mechanism in a preferred embodiment of a kind of self -heating food packaging box according to the utility model;
[0025] Figure 5 It is the bottom view of the connection relationship of heating mechanism and pull mechanism in a preferred embodiment of a kind of self -heating food packaging box according to the utility model;
[0026] Figure 6 It is the half cutaway view of a preferred embodiment of a kind of self -heating food packaging box according to the utility model after bowl cover is removed;
[0027] Figure 7 It is the bottom view of the bowl cover in a preferred embodiment of a kind of self -heating food packaging box according to the utility model;
[0028] Figure 8 It is the bottom view of the inner liner in a preferred embodiment of a kind of self -heating food packaging box according to the utility model;
[0029] Figure 9 It is the top view of the inner liner in a preferred embodiment of a kind of self -heating food packaging box according to the utility model;
[0030] Figure 10 For a preferred embodiment of a self-heating food packaging box according to the utility model Figure 6 The enlarged view of A in the middle.
[0031] The reference signs are explained as follows:
[0032] 1, bowl body; 101, pull hole; 102, pull slot; 2, bowl cover; 201, first easy-to-tear film; 202, first auxiliary material partition; 203, second auxiliary material partition; 204, inner liner; 3, pulling mechanism; 301, pulling block; 302, first pulling rope; 303, second pulling rope; 304, third pulling rope; 305, fourth pulling rope 4, main food box; 401, second easy-to-tear film; 402, air hole; 5, heating mechanism; 501, heating agent box; 501a, third easy-to-tear film; 502, water purification box; 502a, fourth easy-to-tear film; 6, exhaust hole. DETAILED DESCRIPTION
[0033] In order for those skilled in the art to be more clear and explicit about the technical scheme of the utility model, the utility model will be described in further detail below in combination with examples and drawings, but the implementation manner of the utility model is not limited to this.
[0034] As Figures 1-10 shown, the self-heating food packaging box provided by the embodiment comprises a bowl body, a bowl cover 2 movably placed on the top of the bowl body 1, a main food box 4 arranged in the bowl body 1 and located directly below the bowl cover 2, a heating mechanism 5 arranged at the bottom of the bowl body 1 and located directly below the main food box 4, and a pulling mechanism 3 arranged on the bowl cover 2, the main food box 4 and the heating mechanism 5; the inner wall of the bowl cover 2 is sealingly fixed with an inner liner 204, the top of the inner side wall of the inner liner 204 is formed with a first auxiliary material partition 202 in a ring structure, a plurality of second auxiliary material partitions 203 are formed in the ring cavity of the first auxiliary material partition 202, the bottom of the inner liner 204, the first auxiliary material partition 202 and the second auxiliary material partition 203 is sealingly fixed with a first easy-to-tear film 201, and the top of the main food box 4 is clamped with a second easy-to-tear film 401; the heating mechanism 5 comprises a heating agent box 501 and a water purification box 502 fixed to the bottom of the bowl body 1, the outer wall of the heating agent box 501 is clamped with a third easy-to-tear film 501a, and the outer wall of the water purification box 502 is clamped with a fourth easy-to-tear film 502a; the pulling mechanism 3 comprises a pulling rope assembly connected to the first easy-to-tear film 201, the second easy-to-tear film 401, the third easy-to-tear film 501a and the fourth easy-to-tear film 502a.
[0035] In the above structure, the main food box 4 and the bowl body 1 are made of heat-resistant and heat-insulating materials, the heating agent box 501 and the water purification box 502 are semi-enclosed structures, and the third and fourth easy-to-tear films 501a and 502a are sealingly wrapped with the bottom of the bowl body 1 to store the heating agent box 501 and the water purification box 502. The main food box 4 can store various foods, the inner cavity size of the second auxiliary material partition 203 can be freely adjusted and set according to needs, and the wall thickness of the second auxiliary material partition 203 can be adjusted.
[0036] The pull rope assembly includes a second pull rope 303 fixedly connected to the bottom of the first easy-to-tear film 201, a first pull rope 302 fixedly connected to the top of the second easy-to-tear film 401, a third pull rope 304 fixedly connected to the third easy-to-tear film 501a, and a fourth pull rope 305 fixedly connected to the fourth easy-to-tear film 502a. The pull rope assembly is made of soft and non-toxic fiber material.
[0037] The third pull rope 304 and the fourth pull rope 305 slide along the pull slot 102 formed in the wall cavity of the bowl body 1, and the free ends of the first pull rope 302, the second pull rope 303, the third pull rope 304, and the fourth pull rope 305 are fixedly connected by the pull block 301.
[0038] The first easy-to-tear film 201 is provided with a fracture indentation at the connection between the inner wall of the bowl cover 2, the second easy-to-tear film 401 is provided with a fracture indentation at the connection between the inner wall of the main food box 4, the third easy-to-tear film 501a is provided with a fracture indentation at the connection between the inner wall of the heating agent box 501 and the inner bottom wall of the bowl body 1, and the fourth easy-to-tear film 502a is provided with a fracture indentation at the connection between the inner wall of the water purification box 502 and the inner bottom wall of the bowl body 1. The four groups of easy-to-tear films are made of soft material, which can be evenly broken at the fracture indentation, preventing tearing and affecting the falling of the objects.
[0039] The pull block 301 slides along the pull hole 101 penetrating the outer wall of the bowl body 1. Since the easy-to-tear film is made of soft material, it can be easily removed from the pull slot 102 and the pull hole 101.
[0040] The inner wall cavity of the main food box 4 is formed with a ventilation hole 402, and the ventilation hole 402 communicates the inside of the bowl cover 2 and the heating cavity at the bottom of the main food box 4.
[0041] The height of the heating agent box 501 and the water purification box 502 is not less than 35mm, which meets the space expansion of the heating agent when heated.
[0042] The top inner wall of the bowl cover 2 is formed with an exhaust hole 6, the exhaust hole 6 penetrates the connecting body between the inner liner 204 and the second auxiliary material partition 203, the bottom of the exhaust hole 6 is tightly sealed with the first easy-to-tear film 201, preventing gas leakage and causing the internal food and auxiliary materials to deteriorate.
[0043] The working principle of the device is as follows: when the device is used, the film on the outer wall of the device is removed, the first pulling rope 302, the second pulling rope 303, the third pulling rope 304 and the fourth pulling rope 305 are pulled outwards by pulling the block 301, wherein the first pulling rope 302 and the second pulling rope 303 are between the main food box 4 and the bowl cover 2, and drive the second easy-to-tear film 401 to break along the tear position on the inner wall of the main food box 4, the first easy-to-tear film 201 breaks along the tear position on the inner wall of the bowl cover 2, the cavity between the outer side of the first auxiliary material partition plate 202 and the bowl cover 2 and the cavity between the second auxiliary material partition plate 203 are used to store water, oil and material powder for the main food box 4 to merge with the main food, the third pulling rope 304 and the fourth pulling rope 305 slide in the pulling slot 102, and drive the third easy-to-tear film 501a to break along the tear position on the inner wall of the heating agent box 501, and the fourth easy-to-tear film 502a breaks along the tear position on the inner wall of the water purification box 502, the water source flows along the bottom wall of the bowl body 1 and enters the bottom of the heating agent box 501 to contact the heating agent to heat, the hot air heats the main food box 4, and the hot air is ventilated outward along the air vent 402.
[0044] The third easy-to-tear film 501a and the fourth easy-to-tear film 502a enter the pulling slot 102 together with the third pulling rope 304 and the fourth pulling rope 305, and the first easy-to-tear film 201 and the second easy-to-tear film 401 are separated from the bowl body 1 in turn through the pulling hole 101.
[0045] When the above structure is adopted, all the closed structures can be opened at one time, the mixing of food and auxiliary materials in the self-heating food packaging box and the mixing of heat source and water agent can be completed in one action, the purpose of quickly heating food is achieved, and the dining experience and dining efficiency are improved.
[0046] The above is only a further embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the scope disclosed by the present application, which belongs to the protection scope of the present application.
Claims
1. A self-heating food packaging box comprising a bowl body (1), characterized in that: The bowl body (1) top activity is placed with bowl cover (2), the bowl body (1) inside is provided with the main food box (4) below the bowl cover (2), the bowl body (1) bottom is provided with heating mechanism (5) below the main food box (4), the bowl cover (2), the main food box (4) and the heating mechanism (5) all are provided with pull mechanism (3); The inner wall of the bowl cover (2) is sealingly fixed with an inner liner (204), the inner wall of the inner liner (204) is formed with a first auxiliary material partition (202) of annular structure at the top, a plurality of second auxiliary material partitions (203) are formed in the annular cavity of the first auxiliary material partition (202), the bottom of the inner liner (204), the first auxiliary material partition (202) and the second auxiliary material partition (203) are sealingly fixed with a first easy-to-tear film (201), the top of the main food box (4) is clamped with a second easy-to-tear film (401). The heating mechanism (5) includes a heating agent box (501) and a water purification box (502) fixed to the bottom of the bowl body (1), the outer wall of the heating agent box (501) is clamped with a third easy-to-tear film (501a), and the outer wall of the water purification box (502) is clamped with a fourth easy-to-tear film (502a). The pull mechanism (3) includes a pull rope assembly connected to the first easy-to-tear film (201), the second easy-to-tear film (401), the third easy-to-tear film (501a) and the fourth easy-to-tear film (502a).
2. The self-heating food packaging box according to claim 1, characterized in that: The pull rope assembly includes a second pull rope (303) fixedly connected to the bottom of the first easy-to-tear film (201), a first pull rope (302) fixedly connected to the top of the second easy-to-tear film (401), a third pull rope (304) fixedly connected to the third easy-to-tear film (501a) and a fourth pull rope (305) fixedly connected to the fourth easy-to-tear film (502a).
3. The self-heating food packaging box according to claim 2, characterized in that: The third pull rope (304) and the fourth pull rope (305) slide along the pull slot (102) formed in the wall cavity of the bowl body (1), and the free ends of the first pull rope (302), the second pull rope (303), the third pull rope (304) and the fourth pull rope (305) are fixedly connected by a pull block (301).
4. The self-heating food packaging box according to claim 3, characterized in that: The first easy-to-tear film (201) is provided with a fracture indentation at the connection of the inner wall of the bowl cover (2), the second easy-to-tear film (401) is provided with a fracture indentation at the connection of the inner wall of the main food box (4), the third easy-to-tear film (501a) is provided with a fracture indentation at the connection of the inner wall of the heating agent box (501) and the bottom wall of the bowl body (1), and the fourth easy-to-tear film (502a) is provided with a fracture indentation at the connection of the inner wall of the water purification box (502) and the bottom wall of the bowl body (1).
5. The self-heating food packaging box according to claim 4, characterized in that: The pull block (301) slides along the pull hole (101) penetrating through the outer wall of the bowl body (1).
6. The self-heating food packaging box according to claim 5, characterized in that: The inner wall cavity of the main food box (4) is formed with a ventilation hole (402) penetrating through, and the ventilation hole (402) communicates the inside of the bowl cover (2) and the heating cavity at the bottom of the main food box (4).
7. The self-heating food packaging box according to claim 1, characterized in that: The height of the heat-generating agent box (501) and the water purification box (502) is not less than 35 mm.
8. The self-heating food packaging box according to claim 1, characterized in that: An exhaust hole (6) is formed through the top inner wall of the bowl cover (2), and the exhaust hole (6) penetrates the connecting body between the inner liner (204) and the second auxiliary material partition (203).
Citation Information
Patent Citations
From heat pack dress box
CN207467359U