CN209846349U - Electric heating lunch box - Google Patents
Electric heating lunch box Download PDFInfo
- Publication number
- CN209846349U CN209846349U CN201920480929.7U CN201920480929U CN209846349U CN 209846349 U CN209846349 U CN 209846349U CN 201920480929 U CN201920480929 U CN 201920480929U CN 209846349 U CN209846349 U CN 209846349U
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- heating
- inner container
- water
- steam
- cavity
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- Expired - Fee Related
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- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
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Abstract
The utility model discloses an electric heating lunch box, which comprises a heating base, a top cover and a shelf; the heating base comprises a bottom shell, an inner container and a heating body, and the heating body is arranged between the bottom shell and the inner container; the inner container is provided with a water storage cavity, the middle part of the bottom of the inner container is provided with a through hole, the upper surface of the bottom of the inner container is provided with a water retaining part corresponding to the through hole, the water retaining part is provided with a steam channel, and the lower surface of the bottom of the inner container is provided with a blocking edge corresponding to the through hole; the heating body is matched with the blocking edge to form a heating cavity; a water inlet channel is formed between the bottom of the inner container and the heating cavity; the layer frame is arranged between the heating base and the top cover, and the bottom of the layer frame is provided with a steam inlet; the steam inlet on the lowest layer shelf is connected with the steam channel of the water retaining part. The utility model has the advantages of simple and reasonable structure, the bottom structure at the inner bag forms the heating chamber that the area is less, the effectual water yield and the area that reduces the heat-generating body heating to improved the efficiency of steam production, the speed of the meal heating of acceleration.
Description
Technical Field
The utility model relates to a portable electric appliance for cooking and heating food, in particular to an electric heating lunch box.
Background
The lunch box is also called as a lunch box, is a box specially used for containing food, needs to be heated by additional equipment such as a microwave oven, a steam oven and the like, and has great limitation, so that the electrothermal lunch box can be transported at any time, and high-temperature steam can be generated inside the lunch box after the electrothermal lunch box is electrified through a heating body, thereby achieving the purpose of heating and insulating the food in the lunch box; however, when the heating body of the existing electric heating lunch box is heated, the water storage inner container in the whole heating base is required to be heated, the heating area is large, the heating water amount is large, steam is heated in a long time, and rice in the lunch box can be heated, so that the consumed electric quantity is large, and the improved space is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides an overcome defect among the above-mentioned prior art, provide an electric heat lunch-box, form a less heating chamber through the bottom structure at the inner bag to effectively reduce the water yield and the area of heat-generating body heating, thereby can be more quick effectual the meal in the heating lunch-box, reduce the energy consumption.
In order to achieve the above object, the utility model provides an electric heating lunch box, include:
the heating base comprises a bottom shell, an inner container and a heating body, the inner container is arranged in the bottom shell, an installation cavity is formed by matching the inner container and the bottom shell, and the heating body is arranged in the installation cavity;
the inner container is provided with a water storage cavity, a via hole is formed in the middle of the bottom of the inner container, a water retaining part formed by upward extending and enclosing is arranged on the upper surface of the bottom of the inner container corresponding to the periphery of the via hole, the water retaining part is provided with a steam channel, and a blocking edge extending downwards is arranged on the lower surface of the bottom of the inner container corresponding to the periphery of the via hole;
the heating body is arranged at the opening formed by enclosing the blocking edge in a sealing way and is matched with the blocking edge to form a heating cavity;
a water inlet channel is formed between the bottom of the inner container and the heating cavity;
a top cover;
the heating base is detachably arranged on the top cover, and the bottom of the heating base is provided with a steam inlet;
the steam inlet on the lowest layer shelf is connected with the steam channel of the water retaining part.
Further setting the following steps: the water retaining part comprises a water retaining edge integrally formed with the bottom of the inner container and a cover body detachably connected with the water retaining edge, the heating cavity is located between the cover body and the heating body, the steam channel is located in the middle of the cover body, and a heat insulation cavity is formed in the periphery of the cover body surrounding the steam channel.
Further setting the following steps: the cover body comprises a partition and a cover plate, the partition is detachably connected with the water retaining edge, the cover plate is detachably connected with the partition, and the partition is matched with the cover plate to form a steam channel and a heat insulation cavity arranged around the periphery of the steam channel.
Further setting the following steps: the water inlet channel formed between the inner container and the heating cavity is of a submerged structure, and the inlet end position of the water inlet channel is higher than the outlet end position.
Further setting the following steps: the bottom of the inner container is provided with a backflow port.
Further setting the following steps: the heating device is characterized in that a buckling component is arranged between the heating base and the top cover, and the heating base, the layer frame and the top cover can be stably connected through the buckling component.
Further setting the following steps: the top cover is provided with a handle.
Further setting the following steps: the bottom shell is provided with heat dissipation holes.
Compared with the prior art, the utility model has simple and reasonable structure, the heating cavity with smaller volume is formed at the bottom structure of the inner container, and the heating body directly heats the heating cavity, thereby reducing the water quantity and area directly heated by the heating body, improving the efficiency of generating steam and accelerating the speed of heating meal by the lunch box; meanwhile, a water inlet channel between the water storage cavity and the heating cavity is of a submerged structure, and the position of an inlet end is higher than that of an outlet end, so that water in the heating cavity is difficult to flow from the heating cavity to the water storage cavity, and most of heat generated by the heating body is ensured to be used for heating the water in the heating cavity; moreover, be formed with adiabatic chamber in the lid, through can effectively isolated heat in the heating chamber directly giving off by the air, improve the heating effect.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of an electric heating lunch box of the present invention;
FIG. 2 is a schematic sectional view of an electric lunch box;
FIG. 3 is an enlarged view of the portion A of FIG. 2;
FIG. 4 is a schematic view of the separated structure of the liner;
fig. 5 is a perspective view of the shelf.
The following reference numerals are marked thereon in conjunction with the accompanying drawings:
1. heating the base; 11. a bottom case; 111. heat dissipation holes; 12. an inner container; 121. a water storage cavity; 122. a via hole; 123. a water inlet channel; 124. blocking edges; 125. a heating cavity; 13. a heating element; 2. layering; 21. a steam inlet; 22. a return port; 3. a top cover; 31. a handle; 4. a fastening component; 5. a water retaining part; 51. a water retaining edge; 52. a cover body; 521. a separator; 522. a cover plate; 523. a steam channel; 524. an insulating chamber.
Detailed Description
In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
The electric heating lunch box of the utility model is shown in figure 1 and figure 2, and comprises a heating base 1, a layer frame 2 and a top cover 3, wherein at least one layer frame 2 is detachably arranged between the heating base 1 and the top cover 3; a buckling component 4 is arranged between the base and the top cover 3, and the heating base 1, the layer frame 2 and the top cover 3 can be stably connected through the buckling component 4; the top cover 3 is provided with a handle 31, and the electric heating lunch box can be conveniently carried by the handle 31.
As shown in fig. 2, the heating base 1 includes a bottom shell 11, an inner container 12 and a heating element 13, the bottom shell 11 and the inner container 12 are both of a thin shell structure with an upward opening, the inner container 12 is installed in the bottom shell 11, and a mounting cavity is formed between the inner container and the bottom shell 11 in a matching manner, and the heating element 13 is located in the mounting cavity.
As shown in fig. 3 and 4, the inner container 12 has a water storage cavity 121, a through hole 122 is formed in the middle of the bottom of the inner container 12, a water retaining portion 5 extending upward and formed in a surrounding manner is circumferentially arranged on the upper surface of the bottom of the inner container 12 corresponding to the through hole 122, and the water retaining portion 5 has a steam channel 523; a blocking edge 124 extending downwards is circumferentially arranged on the lower surface of the bottom of the inner container 12 corresponding to the through hole 122, the heating element 13 is hermetically arranged at an opening formed by the blocking edge 124 in a surrounding manner and is matched with the blocking edge 124 to form a heating cavity 125, and the heating element 13 is the bottom of the heating cavity 125 and directly heats the heating cavity 125; a water inlet channel 123 is arranged between the water storage cavity 121 of the inner container 12 and the heating cavity 125, the water inlet channel 123 is of a diving structure, and a channel is formed between the water inlet channel 123 and the heating cavity 125 from the bottom of the inner container 12 to the bottom, so that the inlet end position of the water inlet channel 123 is higher than the outlet end position, water in the water storage cavity 121 can be rapidly supplemented into the heating cavity 125, but water in the heating cavity 125 can flow into the water storage cavity 121, and most of heat generated by the heating element 13 is ensured to be directly applied to heating of the water in the heating cavity 125; layer frame 2 erects on inner bag 12, and steam inlet 21 has been seted up to layer frame 2's bottom, and this steam inlet 21 is linked together with steam channel 523 to steam that heating chamber 125 internal heating produced can get into layer frame 2 through steam channel 523 and steam inlet 21 in, convenient heating the meal in layer frame 2.
Further, the water baffle comprises a water baffle edge 51 and a cover body 52, the water baffle edge 51 and the bottom of the inner container 12 are integrally formed, the bottom of the inner container 12 extends upwards or is folded and formed around the via hole 122, the cover body 52 and the water baffle edge 51 are detachably connected, preferably in threaded connection, a heating cavity 125 is formed between the bottom of the cover body 52 and the heating body 13, a steam channel 523 is arranged in the middle of the cover body 52, a heat insulation cavity 524 is formed on the cover body 52 around the periphery of the steam channel 523, and heat in the heating cavity 125 can be isolated from directly radiating outwards through the heat insulation cavity 524; further, the cover 52 comprises a partition 521 and a cover plate 522, the partition 521 is connected with the blocking edge 124 through a screw thread, the cover plate 522 is connected with the partition 521 through a screw thread, a gap between the partition and the heating body 13 forms a heating cavity 125, and the partition 521 and the cover plate 522 are matched to form a steam channel 523 and a heat insulation cavity 524 surrounding the steam channel 523; through the detachable connection between the separator 521, the cover plate 522 and the blocking edge 124, the heating cavity 125 and the steam channel 523 can be conveniently cleaned, and the influence on the use of the electric heating lunch box caused by the fact that foreign matters such as rice fall into the steam channel 523 can be effectively avoided.
As shown in fig. 5, the shelf 2 is a thin shell structure with an upward opening, a steam inlet 21 is provided in the middle of the bottom of the shelf 2, return openings 22 are provided on both sides of the bottom of the shelf 2 corresponding to the steam inlet 21, condensed water generated by steam condensation can flow back into the water storage cavity 121 of the inner container 12 through the return openings 22, and water can be added into the water storage cavity 121 of the inner container 12 through the return openings 22.
Further, the bottom case 11 is provided with a heat radiation hole 111, and heat generated by the heat generating body 13 can be effectively radiated through the heat radiation hole 111.
Compared with the prior art, the utility model has simple and reasonable structure, the heating cavity with smaller volume is formed at the bottom structure of the inner container, and the heating body directly heats the heating cavity, thereby reducing the water quantity and area directly heated by the heating body, improving the efficiency of generating steam and accelerating the speed of heating meal by the lunch box; meanwhile, a water inlet channel between the water storage cavity and the heating cavity is of a submerged structure, and the position of an inlet end is higher than that of an outlet end, so that water in the heating cavity is difficult to flow from the heating cavity to the water storage cavity, and most of heat generated by the heating body is ensured to be used for heating the water in the heating cavity; moreover, be formed with adiabatic chamber in the lid, through can effectively isolated heat in the heating chamber directly giving off by the air, improve the heating effect.
The above disclosure is only for the embodiment of the present invention, however, the present invention is not limited thereto, and any changes that can be considered by those skilled in the art should fall within the protection scope of the present invention.
Claims (8)
1. An electric heat lunch-box, its characterized in that includes:
the heating base comprises a bottom shell, an inner container and a heating body, the inner container is arranged in the bottom shell, an installation cavity is formed by matching the inner container and the bottom shell, and the heating body is arranged in the installation cavity;
the inner container is provided with a water storage cavity, a via hole is formed in the middle of the bottom of the inner container, a water retaining part formed by upward extending and enclosing is arranged on the upper surface of the bottom of the inner container corresponding to the periphery of the via hole, the water retaining part is provided with a steam channel, and a blocking edge extending downwards is arranged on the lower surface of the bottom of the inner container corresponding to the periphery of the via hole;
the heating body is arranged at the opening formed by enclosing the blocking edge in a sealing way and is matched with the blocking edge to form a heating cavity;
a water inlet channel is formed between the bottom of the inner container and the heating cavity;
a top cover;
the heating base is detachably arranged on the top cover, and the bottom of the heating base is provided with a steam inlet;
the steam inlet on the lowest layer shelf is connected with the steam channel of the water retaining part.
2. The electric heating lunch box of claim 1, wherein the water retaining part comprises a water retaining edge integrally formed with the bottom of the inner container and a cover detachably connected with the water retaining edge, the heating chamber is located between the cover and the heating body, the steam channel is located in the middle of the cover, and the cover is formed with a heat insulating chamber around the periphery of the steam channel.
3. An electrically heated lunchbox as claimed in claim 2 wherein said cover comprises a partition removably connected to said water dam and a cover removably connected to said partition, said partition cooperating with said cover to define said steam passageway and said insulating chamber disposed around the periphery of said steam passageway.
4. The electric heating lunch box of claim 1, wherein a water inlet passage formed between the inner container and the heating chamber is of a submerged structure, and the inlet end of the water inlet passage is higher than the outlet end.
5. The electric heating lunch box of claim 1, wherein a return port is arranged at the bottom of the inner container.
6. An electrothermal canteen according to claim 1, wherein a snap assembly is disposed between the heating base and the top cover, and the heating base, the shelf and the top cover can be stably connected by the snap assembly.
7. The electrothermal canteen according to claim 1, wherein the top cover is provided with a handle.
8. The electrothermal canteen according to claim 1, wherein the bottom housing is provided with heat dissipating holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920480929.7U CN209846349U (en) | 2019-04-10 | 2019-04-10 | Electric heating lunch box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920480929.7U CN209846349U (en) | 2019-04-10 | 2019-04-10 | Electric heating lunch box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209846349U true CN209846349U (en) | 2019-12-27 |
Family
ID=68936946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920480929.7U Expired - Fee Related CN209846349U (en) | 2019-04-10 | 2019-04-10 | Electric heating lunch box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209846349U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112205880A (en) * | 2020-09-29 | 2021-01-12 | 珠海格力电器股份有限公司 | Electric heating lunch box |
| CN112315162A (en) * | 2020-11-16 | 2021-02-05 | 珠海格力电器股份有限公司 | Electric heating lunch box |
| CN112471725A (en) * | 2020-11-09 | 2021-03-12 | 珠海格力电器股份有限公司 | Lunch box |
-
2019
- 2019-04-10 CN CN201920480929.7U patent/CN209846349U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112205880A (en) * | 2020-09-29 | 2021-01-12 | 珠海格力电器股份有限公司 | Electric heating lunch box |
| CN112471725A (en) * | 2020-11-09 | 2021-03-12 | 珠海格力电器股份有限公司 | Lunch box |
| CN112315162A (en) * | 2020-11-16 | 2021-02-05 | 珠海格力电器股份有限公司 | Electric heating lunch box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 315318, Zhejiang Province, Cixi City, Ningbo province Henghe town cross Peng Highway No. 8 Patentee after: NINGBO TIANREN ELECTRIC APPLIANCE CO., LTD. Address before: 315318 room 409, No.34, building 5, Oriental Business Center, No.456, Xingning Road, Yinzhou District, Ningbo City, Zhejiang Province Patentee before: NINGBO TIANREN ELECTRIC APPLIANCE CO., LTD. |
|
| CP02 | Change in the address of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191227 Termination date: 20210410 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |