Self-heating box
By setting water injection grooves and diversion grooves on the top cover of the self-heating box, the problems of complex structure and high cost of the self-heating box are solved, and a convenient heating process and low-cost production are realized.
Patent Information
- Application Number
- CN202520296059.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-02-24
AI Technical Summary
Existing self-heating boxes are complex in structure, expensive, and inconvenient to use.
A water inlet is provided on the top cover of the self-heating box, and a guide channel is formed around the water inlet to connect with the heating chamber of the box. When in use, there is no need to open the top cover. Simply pour water to mix the water and the heating pack, which simplifies the structure and reduces costs.
It achieves a convenient heating process, simplifies the production process, reduces production costs, and at the same time improves ease of use and heating speed.
Smart Images
Figure CN223687226U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a self-heating box technical field especially a self-heating box. BACKGROUND
[0002] The self-heating box is widely used in fast food and nutritious food, and can provide the convenient food heating function for consumers, and even when being outdoors, the heated food can be eaten quickly. At present, the self-heating box on the market is filled with heating raw materials and water, and the heating raw materials and water are in the isolated state through the water sealing diaphragm, when using, the water sealing diaphragm is broken through the switch structure such as rotation, pressing or extrusion, so that the water and heating raw materials are mixed and heated through chemical reaction, the self-heating box of this type is convenient to use, but there are problems of complex product structure, high cost and high cost, therefore, the utility model provides a self-heating box structure with simple structure and low cost, which can solve the above technical problems. SUMMARY
[0003] The utility model provides a self-heating box structure with simple structure and low cost to solve the above technical problems.
[0004] A self-heating box, comprising a box body, a top cover and a heating bag.
[0005] The box body is provided with a heating cavity with an opening facing upward, and the heating bag is placed in the heating cavity; when water is added to the heating cavity, the water and the heating bag are mixed to generate heat, thereby heating the food in the self-heating bowl placed or pre-placed subsequently.
[0006] The top cover covers the top of the box body, and the top surface of the top cover is provided with a water filling groove; the peripheral portion of the water filling groove forms a flow guide groove, and the water outlet end of the flow guide groove extends downward and communicates with the heating cavity; when using, the top cover does not need to be opened, and only water needs to be poured into the water filling groove, and the water will enter the heating cavity in the box body through the flow guide groove and mix with the heating bag to generate chemical reaction.
[0007] The self-heating box provided by the utility model is provided with a water filling groove on the top cover, and a flow guide groove communicating with the heating cavity of the box body is formed on the peripheral portion of the water filling groove; when using, the top cover does not need to be opened, and any switch structure for breaking the water sealing diaphragm does not need to be set; only water needs to be poured on the top cover, and the use is also convenient; at the same time, the structure is also simpler, which is easy to produce and can greatly reduce the production cost.
[0008] Preferably, to avoid wetting the top of the self-heating bowl, the water outlet end of the flow guide groove is arranged at the edge of the top cover, and a flow guide opening with a downward direction is formed at the edge of the top cover, and the water outlet end of the flow guide opening communicates with the edge of the heating cavity, so that the water flows along the edge of the heating cavity when filling water.
[0009] Preferably, the opening edge of the heating cavity is provided with a drainage groove, the top of the drainage groove gradually protrudes to the outer periphery of the box body, forming a protruding and sloping notch, on the one hand, the notch of the drainage groove can increase the water injection speed and avoid water overflow during water injection, on the other hand, the notch of the drainage groove can be used as an outwardly protruding water outlet nozzle during water pouring, increasing the function of the notch of the drainage groove.
[0010] Preferably, in order to improve the flow guiding effect and anti-overflow effect during water injection, the water inlet end and the water outlet end of the flow guiding hole are provided with anti-overflow baffles at the end away from the flow guiding groove, which can avoid the overflow of water flow through the joint position of the flow guiding hole and the drainage groove.
[0011] Preferably, in order to facilitate the cover and water injection, the box body and the top cover are provided with a concave-convex butt joint structure, and the flow guiding hole is aligned and communicated with the drainage groove through the concave-convex butt joint structure.
[0012] Preferably, the notch height of the drainage groove is lower than the opening of the heating cavity, forming a butt joint gap, the water outlet end of the flow guiding hole is provided with an extended anti-overflow baffle, the anti-overflow baffle is inserted into the butt joint gap in the state that the top cover closes the box body, and the notch of the drainage groove and the anti-overflow baffle of the flow guiding hole constitute the concave-convex butt joint structure, thereby giving the drainage groove and the flow guiding hole more functions and making the self-heating box structure more compact.
[0013] Preferably, the outer periphery of the top cover is provided with a shielding plate extending downward and shielding the notch of the drainage groove, which can prevent external dust from entering the drainage groove and the heating cavity.
[0014] Preferably, in order to improve the water injection speed, the flow guiding groove has at least two, and each is connected with the water injection groove, in addition, the water injection groove is arranged at the center of the top cover, and the groove bottom of the water injection groove adopts an upward convex arc surface, so that when water is injected, the water flows downward along the arc surface and enters the flow guiding groove.
[0015] Preferably, the water injection groove is arranged at the center of the top cover, and the middle part adopts a circular, square, oval or pre-set shape, and forms a label sticking position.
[0016] Preferably, the self-heating box further comprises a heating bowl, the heating bowl is placed in the heating cavity and located at the top of the heating bag, the top periphery of the heating bowl is provided with a support ring, and a plurality of vertical ribs are arranged in the heating cavity, the top of the ribs abuts against the support ring of the heating bowl, on the one hand, the ribs can not only provide a support function, but also have a gap between the bottom and the periphery of the heating bowl and the cavity bottom and the cavity wall of the heating cavity, so as to increase the heating speed and form a reinforcing rib of the box body to improve the strength of the box body.
[0017] Preferably, the self-heating box is also attached with a water bag which is not placed inside the box body. When in use, the water bag is cut open, and the water in the water bag is poured on the top cover, so as to avoid the situation that there is no water around the user.
[0018] From the above description of the present application, the present application has the following beneficial effects:
[0019] The self-heating box provided by the present application sets a water injection groove on the top cover, and a flow guide groove which is communicated with the heating cavity of the box body is formed on the peripheral part of the water injection groove. When in use, the top cover does not need to be opened, and any switch structure for breaking the water sealing diaphragm is not needed. Only the water needs to be poured on the top cover, and the use is also convenient. Meanwhile, the structure is also simpler, which is easy to produce and can greatly reduce the production cost.
[0020] The notch of the flow guide groove protrudes outward, which not only facilitates the acceleration of water injection, but also can be used as a water outlet nozzle when the water is poured out.
[0021] The notch of the flow guide groove and the anti-overflow baffle of the flow guide opening constitute the concave-convex butt joint structure between the box body and the top cover, so as to give the flow guide groove and the flow guide opening more functions, make the use more convenient, and also make the structure of the self-heating box more compact.
[0022] The heating bowl is supported by the vertical ribs in the heating cavity, which not only provides the support function, makes the bottom and the peripheral part of the heating bowl have a gap with the cavity bottom and the cavity wall of the heating cavity, and accelerates the heating speed, but also can be used as the reinforcing rib of the box body to improve the strength of the box body.
[0023] The groove bottom of the water injection groove adopts an upward convex arc surface, so that when the water is injected, the water will flow downward along the arc surface and enter the flow guide groove, avoiding the problem of water accumulation in the water injection groove, and also improving the water injection speed. BRIEF DESCRIPTION OF DRAWINGS
[0024] The drawings described herein are used to provide a further understanding of the present application, and constitute a part of the present application. The schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application.
[0025] Among them:
[0026] Figure 1 It is an axial side view of a self-heating box Figure 1 ;
[0027] Figure 2 It is an axial side view of a self-heating box Figure 2 ;
[0028] Figure 3 It is an axial sectional view of a self-heating box Figure 1 ;
[0029] Figure 4 is a shaft side section of a self-heating box Figure 2 ;
[0030] Figure 5 is an explosion of a self-heating box Figure 1 ;
[0031] Figure 6 is an explosion of a self-heating box Figure 2 ;
[0032] Figure 7 is a front view of a self-heating box
[0033] Figure 8 is a side view of a self-heating box
[0034] Figure 9 is a top view of a self-heating box
[0035] Figure 10 is a partial enlarged view of a self-heating box; (about Figure 4 A)
[0036] Figures 1 to 10 The marks in the figure are respectively: box body 1, heating cavity 11, drainage groove 12, rib 13, top cover 2, water injection groove 21, flow guide groove 22, flow guide opening 221, anti-overflow baffle 222, shielding baffle 23, heating bowl 3, support ring 31. DETAILED DESCRIPTION
[0037] In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, explicit and understandable, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.
[0038] Please refer to Figures 1 to 10 , a self-heating box, comprising a box body 1, a top cover 2 and a heating bag.
[0039] The box body 1 is provided with a heating cavity 11 with an opening facing upward, the heating bag is placed in the heating cavity 11, and the heating cavity 11 is provided with a space for accommodating a self-heating bowl at the top of the heating bag. When water is added in the heating cavity 11, the water and the heating bag can generate heat, thereby being capable of heating the food in the self-heating bowl which is placed subsequently or in advance. The composition of the heating bag can include quicklime, which can release heat when meeting water.
[0040] Optionally, to improve the water injection speed, the flow guide groove 22 is at least two, and each is connected to the water injection groove 21. For example, two flow guide grooves 22 are used in the embodiment. The water injection groove 21 is arranged at the center of the top cover 2, and the groove bottom of the water injection groove 21 is an upward convex arc surface, so that when water injection, the water flows downward along the arc surface and enters the flow guide groove 22. In other embodiments, the water injection groove 21 is arranged at the center of the top cover 2, and the central part is circular, square, oval or a preset shape, and forms a label sticking position.
[0041] The top cover 2 covers the top of the box body 1, and the top surface of the top cover 2 is provided with a water injection groove 21, and the peripheral part of the water injection groove 21 forms a flow guide groove 22, and the water outlet end of the flow guide groove 22 extends downward and communicates with the heating cavity 11.
[0042] To avoid wetting the top of the self-heating bowl, in an embodiment, the water outlet end of the flow guide groove 22 is arranged at the edge of the top cover 2, and a downward flow guide port 221 is formed at the edge of the top cover 2, and the water outlet end of the flow guide port 221 communicates with the edge of the heating cavity 11, so that when water injection, the water flows along the edge of the heating cavity 11. In another embodiment, the opening edge of the heating cavity 11 is also provided with a drainage groove 12, and the top of the drainage groove 12 gradually protrudes outward from the peripheral part of the box body 1, forming a protruding and inclined groove, on the one hand, the groove of the drainage groove 12 is enlarged, which can improve the water injection speed and avoid water overflow during water injection, on the other hand, the groove of the drainage groove 12 can be used as an outwardly protruding water outlet nozzle to increase the function of the groove of the drainage groove 12.
[0043] On the basis of the above embodiments, to improve the flow guide effect and anti-overflow effect during water injection, in an embodiment, the water inlet end and the water outlet end of the flow guide port 221 are provided with an anti-overflow baffle 222 at the end away from the flow guide groove 22, which can avoid the overflow when the water flows through the connection position of the flow guide port 221 and the drainage groove 12. In another embodiment, the outer periphery of the top cover 2 is provided with a shielding plate 23 which extends downward and shields the groove of the drainage groove 12, which can prevent external dust from entering the drainage groove 12 and the heating cavity 11.
[0044] In order to facilitate the box cover and water, the box body 1 and the top cover 2 are provided with a concave-convex butt joint structure, and the guide flow port 221 is aligned with and communicated with the drainage groove 12 through the concave-convex butt joint structure. For example, in the embodiment, the height of the slot of the drainage groove 12 is lower than the opening of the heating cavity 11, forming a butt joint gap, and the water outlet end of the guide flow port 221 is provided with an extended anti-overflow baffle 222, which is inserted into the butt joint gap when the top cover 2 closes the box body 1, and the slot of the drainage groove 12 and the anti-overflow baffle 222 of the guide flow port 221 form the concave-convex butt joint structure, thereby giving the drainage groove 12 and the guide flow port 221 more functions, and making the self-heating box structure more compact.
[0045] In another embodiment, the self-heating box further comprises a heating bowl 3 which is placed in the heating cavity 11 and located at the top of the heating bag. The heating bowl 3 can be an aluminum bowl or an iron bowl or a plastic bowl, etc. The top periphery of the heating bowl 3 is provided with a support ring 31, and a plurality of vertical ribs 13 are arranged in the heating cavity 11, and the top of the ribs 13 abuts against the support ring 31 of the heating bowl 3. On the one hand, the ribs 13 not only provide a supporting function, but also have a gap between the bottom and the periphery of the heating bowl 3 and the cavity bottom and the cavity wall of the heating cavity 11, so that the heating speed is fast, and the ribs can also form reinforcing ribs of the box body 1 to improve the strength of the box body 1.
[0046] In another embodiment, in order to avoid the situation that there is no water when in use, the self-heating box is further provided with a water bag which is not placed in the box body 1, and when in use, the water bag is torn to add water to the top cover 2. The configuration of the water bag can also realize quantitative water supply, and the use is more convenient, and the water added into the heating cavity 11 can be avoided to be too much or too little.
[0047] When in use, the top cover 2 does not need to be opened, and only water needs to be poured into the water pouring groove 21, and the water will enter the heating cavity 11 in the box body 1 through the guide flow groove 22, and mix with the heating bag and generate chemical reaction to release heat, so as to heat the heating bowl 3.
[0048] The self-heating box provided by the utility model realizes the same convenience in use by arranging the water pouring groove 21 on the top cover 2 and forming the guide flow groove 22 which communicates with the heating cavity 11 of the box body 1 on the periphery of the water pouring groove 21, without opening the top cover 2 and without arranging any switch structure for breaking the sealing water separation membrane, only by pouring water on the top cover 2, and the structure is also simpler, which is not only easy to produce, but also can greatly reduce the production cost.
[0049] The utility model has been described exemplarily above in combination with the drawings, obviously, the utility model specific implementation is not limited by the above-mentioned mode, as long as various non-essential improvements of method concept and technical scheme of adopting the utility model or the utility model concept and technical scheme are directly applied to other occasions without improvement, all are within the protection scope of the utility model.
Claims
1. A self-heating cartridge, characterized by The self-heating box comprises a box body, a top cover and a heating bag; the box body is provided with a heating cavity with an upward opening, the heating bag is placed in the heating cavity; the top cover covers the top of the box body, and the top surface of the top cover is provided with a water injection groove, the peripheral part of the water injection groove forms a flow guide groove, and the water outlet end of the flow guide groove extends downward and communicates with the heating cavity.
2. A self-heating cartridge according to claim 1, wherein The water outlet end of the flow guide groove is arranged at the edge of the top cover, and a downwardly directed flow guide opening is formed at the edge of the top cover, and the water outlet end of the flow guide opening communicates with the edge of the heating cavity.
3. A self-heating cartridge according to claim 2, wherein The opening edge of the heating cavity is provided with a drainage groove, the top of the drainage groove gradually protrudes outwardly of the box body, and a protruding groove with a slope is formed.
4. A self-heating cartridge according to claim 2 or 3, wherein The water inlet end and the water outlet end of the flow guide opening are both provided with an anti-overflow baffle at the end away from the flow guide groove.
5. A self-heating cartridge according to claim 3, wherein The box body and the top cover are provided with a concave-convex abutting structure, the flow guide opening is aligned with the drainage groove through the concave-convex abutting structure and communicates with the drainage groove.
6. A self-heating cartridge according to claim 5, wherein The height of the groove of the drainage groove is lower than the opening of the heating cavity, forming an abutting gap, the water outlet end of the flow guide opening is provided with an extended anti-overflow baffle, the anti-overflow baffle is inserted into the abutting gap when the top cover is closed to the box body, and the groove of the drainage groove and the anti-overflow baffle of the flow guide opening constitute the concave-convex abutting structure.
7. A self-heating packet according to claim 3, wherein The outer periphery of the top cover is provided with a shielding plate extending downward and shielding the groove of the drainage groove.
8. A self-heating packet according to claim 1, wherein The flow guide groove has at least two flow guide grooves, and the flow guide grooves are connected to the water injection groove; the water injection groove is arranged at the center of the top cover, and the groove bottom of the water injection groove adopts an upwardly convex arc surface.
9. A self-heating packet according to claim 1, wherein The self-heating box further comprises a heating bowl, the heating bowl is placed in the heating cavity and located at the top of the heating bag; the top periphery of the heating bowl is provided with a support ring, and the heating cavity is provided with a plurality of vertical ribs, and the top of the ribs abuts against the support ring of the heating bowl.
10. A self-heating packet according to claim 1, wherein The self-heating box is further provided with a water bag.