CN210471291U

CN210471291U - Open-air heating lunch-box

Info

Publication number: CN210471291U
Application number: CN201921222849.8U
Authority: CN
Inventors: 卓建华; 洪伟伟; 刘国琪; 施建明; 吴培芳; 王烨琪
Original assignee: SHAOXING SECONDARY TECHNICAL SCHOOL
Current assignee: SHAOXING SECONDARY TECHNICAL SCHOOL
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-05-08
Anticipated expiration: 2029-07-31

Abstract

The utility model provides an open-air heating lunch-box, its structure includes the shell, the inner bag, meal lid and intensification structure, the inner bag is used for the splendid attire of food and encloses the chamber that holds that forms sealedly with the meal lid of connecting in the shell, the intensification structure is including setting up USB themogenesis subassembly and the USB joint between shell and inner bag, the USB joint is used for realizing being connected of USB themogenesis subassembly and external power source, USB themogenesis subassembly accessible electric energy intensifies, the shell is provided with the through-hole that is used for USB joint and USB themogenesis subassembly to be connected, the through-hole is provided with the little sealed lid. This USB thermogenesis subassembly and USB connect's setting has enlarged the application scope of lunch-box, has improved the application flexibility ratio, has guaranteed the stable realization of heating operation, utilizes little sealed lid to realize sealed protection to the through-hole that exposes simultaneously, has avoided external environment to the pollution influence of internal electronic structure, easily realizes protecting effect such as waterproof, prevent electricity, has ensured the life of lunch-box.

Description

Open-air heating lunch-box

Technical Field

The utility model belongs to the technical field of the tableware, specifically relate to a field heating lunch-box.

Background

The lunch box is a box specially used for containing food, is also called as a box, is mostly made of aluminum, stainless steel and plastic, but the common lunch box has poor heat insulation performance and is only used for carrying the food. When food is eaten, the food needs to be heated by a heating kitchen ware such as a microwave oven, the operation is troublesome, and the requirement on application equipment is high. With the improvement of application requirements of people, the heat-preservation lunch box and the electric heating lunch box can be transported at the same time. The heat-insulating lunch box is characterized in that a heat-insulating shell is additionally arranged outside a common lunch box, foamed plastics are filled in an inner layer and an outer layer, and a metal film is plated on the inner layer, so that the heat loss is reduced from the three aspects of conduction, radiation and convection. However, the heat preservation lunch box can only realize short-time heat preservation, the heat preservation effect is closely related to the temperature of the external environment, when the lunch box is carried for a long time or the temperature of the external environment is low, the temperature of the dishes stored in the lunch box is reduced to the indoor temperature, and under the condition, the lunch box still needs to be heated. The electric heating lunch box is additionally provided with an electric heating device between the lunch box and the shell so as to supplement the heat loss before eating and keep the meal at a certain higher temperature. The commonly used electric heating lunch box is connected with an external indoor plug through a power line, and the electric energy is utilized to realize heat production operation, so that the electric heating lunch box is convenient and fast, and the application of external auxiliary heating kitchen ware is avoided. But the application range is limited, and when the lunch box is in field work, the corresponding interfaces can not be provided, so that the practicability of the lunch box is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problems existing in the prior art and provides a lunch box capable of realizing automatic heating.

The above technical problem of the present invention can be solved by the following technical solutions:

the utility model provides an open-air heating lunch-box, includes shell, inner bag and meal lid, the shell is provided with the installation cavity that is used for installing the inner bag, the inner bag is used for the bearing dress of food and encloses the sealed chamber that holds with the meal lid of connecting in the shell, still includes the intensification structure, the intensification structure is including setting up USB themogenesis subassembly and the USB joint between shell and inner bag, the USB joint is used for realizing being connected of USB themogenesis subassembly and external power source, USB themogenesis subassembly accessible electric energy intensifies, the shell is provided with the through-hole that is used for the USB joint to be connected with USB themogenesis subassembly, the through-hole is provided with the little sealed.

This lunch-box carries out placing of USB themogenesis subassembly between shell and inner bag to the setting of through-hole is carried out to the corresponding position of shell, realizes effective intercommunication through this through-hole with USB joint and USB themogenesis subassembly in order to guarantee the connection process, and USB connects joinable in external power source equipment. Because the range of application that USB connects is wider, consequently the device can directly utilize interfaces such as treasured that charges, vehicle mounted power realize with the inside USB of lunch-box themogenesis subassembly the intercommunication and the energy supply operation, and then accomplish the heating to inside meal. When the heating operation is not needed, the through hole of the shell can be sealed through the small sealing cover, so that the influence of the external environment on the internal USB heat generating component is avoided, the effects of water resistance, electricity prevention and the like can be realized, and the service life of the lunch box is guaranteed.

Preferably, the USB heat generating component is a sheet structure which is in contact with the inner container and the shell, the USB heat generating component is communicated with the USB connector through a connecting port, and the through hole is provided with a power interface clamping piece which is used for limiting the position of the USB heat generating component corresponding to the connecting port.

Preferably, the small sealing cover is of a rectangular structure with one end hinged to the shell, the shell is provided with a rectangular connecting groove corresponding to the small sealing cover, the small sealing cover can rotate to the rectangular connecting groove and is clamped and surrounded to form a USB joint storage groove, and the through hole is located in the rectangular connecting groove.

Preferably, the material of the small sealing cover is butadiene acrylonitrile rubber.

Preferably, the shell is provided with a power indicator light and a touch screen switch.

Preferably, the dish box structure is further included, and a storage position of the dish box structure is arranged on one side of the accommodating cavity of the inner container.

Preferably, the inner container is provided with continuous placing grooves at the outer edges corresponding to the storage positions of the dish box structure, the dish box structure is provided with clamping edges corresponding to the placing grooves, and an edible opening is formed between the inner container and the dish box structure.

Preferably, the dish box is provided with an air outlet and a corresponding detachable plug.

Preferably, the dish box is hinged with a buckle structure, one end of the buckle structure is hinged to the dish box, the other end of the buckle structure is a clamping end, and the shell is provided with a clamping piece matched with the clamping end.

Preferably, the upper end face, far away from the shell, of the dish box is hinged with a handle, a corresponding handle placing groove is formed in the dish box, and a holding notch is formed in one side of the handle placing groove.

The utility model discloses beneficial effect who has:

1. the arrangement of the USB heat generating assembly and the USB connector enlarges the application range of the lunch box, improves the application flexibility, ensures the stable realization of heating operation, realizes the sealing protection of the exposed through hole by using the small sealing cover, avoids the pollution influence of the external environment on the internal electronic structure, is easy to realize the protection effects of water resistance, electricity resistance and the like, and ensures the service life of the lunch box;

2. due to the sheet-shaped structure, the heat exchange contact area of heating operation is increased, the waste of resources is reduced, the structure arrangement fit degree is easy to realize, in addition, the power interface clamping piece at the through hole provides guarantee for the connection quality of the USB heat generating assembly and the USB connector, the structure replacement in the subsequent operation process is easy to realize, the maintainability effect of the device is improved, and the application cost is reduced;

3. due to the arrangement of the rectangular connecting groove and the small sealing cover, the portability effect of the USB connector is improved, the loss of the structure is reduced, the structural integrity effect of the device is ensured, and the use efficiency is guaranteed;

4. the combination mode of dish box structure and inner bag has improved the inner space configuration variety of lunch-box, has promoted the meal and has carried the quality, and the user can directly eat through eating the food of opening internal inner bag simultaneously, has avoided the separation of dish box structure and inner bag, has promoted the application flexibility ratio.

Drawings

Fig. 1 is a schematic diagram of an explosive structure of the present invention;

fig. 2 is a schematic perspective view of the present invention;

in the figure: 1. a rice cover; 11. an air outlet; 12. a plug; 13. a handle; 14. a handle placement groove; 141. holding the notch; 15. a buckle hinged shaft; 2. an inner container; 21. an accommodating chamber; 22. placing a groove; 3. a vegetable box structure; 31. clamping edges; 4. a USB heat generating component; 41. a USB connector; 5. a housing; 51. installing a chamber; 52. a rectangular connecting groove; 521. a through hole; 53. a small sealing cover; 531. sealing the articulated shaft; 54. a clamping piece; 6. a buckle structure.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): a field heating lunch box is shown in figures 1 and 2, and comprises a meal cover 1, an inner container 2, a shell 5 and a heating structure. The USB heat generating component 4 and the inner container 2 are sequentially installed in the installation chamber of the housing 5. The arrangement of heating resistance wires is carried out in the USB heat generating component, and the USB heat generating component is communicated with an external power supply with a USB interface through an external USB connector 41. Because the wide application of USB interface, then this intensification structure can directly utilize interfaces such as treasured, the vehicle mounted power that charges to realize with the inside USB of lunch-box themogenesis subassembly's of intercommunication and energy supply operation, and then accomplish the heating to inside meal, enlarged the application scope of device, guaranteed device application flexibility, reduced the voltage demand to the power, promoted the application flexibility ratio, guaranteed the practicality in the field environment. In order to ensure the connection quality, a through hole 521 for realizing the communication between the USB heat generating component 4 and the USB connector 41 is provided at a corresponding position of the housing 5, so as to ensure that the USB connector 41 and the USB heat generating component 4 are effectively communicated through the through hole 521 during the connection process. As shown in fig. 1, the USB heat generating assembly 4 is configured as a sheet structure with upper and lower end surfaces respectively contacting with the inner container 2 and the outer shell 5. In addition, the deformation in the process of avoiding temperature rise can be in a clearance fit mode, so that a sufficient deformation space is provided. The USB heat generating component 4 can also form a corresponding shape according to the gap between the inner container 2 and the shell 5, and the heating contact area is ensured. Meanwhile, the air in the cavity between the inner container 4 and the outer shell 5 can be heated, so that the heating uniformity is ensured in the communication environment. The USB heat generating component 4 is communicated with the USB connector 41 through a connection port, and the connection port of the USB heat generating component 4 installed in the housing 5 is connected to the power interface fastener located in the through hole 521, so as to ensure the position stability of the connection port and avoid the influence of the displacement in the connection process on the connection quality. The connecting port can be inserted to the end part of the through hole 521 and is detachably clamped with the power interface clamping piece, and external threads can be arranged at the clamping position of the connecting port, and further positioning connection is realized through a port nut. The USB heat generating assembly 4 and the USB connector 41 are of a split type connecting structure, the structure is easy to assemble, the diameter requirement for the through hole 521 is reduced, the structural part replacement in the subsequent operation process is facilitated, the maintainability effect of the device is improved, and the application cost is reduced. The through hole 521 is provided with a detachable small sealing cover 53 made of nitrile rubber, so that the unused through hole 521 in an unused state is sealed, and the damage of external environments such as water resistance, electricity resistance and the like to internal electronic elements is realized. The small sealing cover 53 has a rectangular structure with one end hinged by a sealing hinge shaft 531 externally provided to the housing 5, and the housing 5 is provided with a rectangular coupling groove 52 corresponding to the small sealing cover 53. The small sealing cover 53 can rotate to the rectangular connecting groove 52 and realize clamping and surrounding of the structure to form a USB joint storage groove, and the through hole 521 is arranged in the rectangular connecting groove 52, so that surrounding protection of the small sealing cover 53 on the through hole 521 is realized. When the heating operation is not required, the USB heat generating component 4 and the USB connector 41 are detached, and the USB connector 41 is received in the rectangular connecting groove 5, so that the small sealing cover 53 is rotated to a stable engagement state with the rectangular connecting groove 5. In order to ensure the structural stability of the internal electronic device, the small sealing cover 53 is connected with the rectangular connecting groove 5 in a sealing manner, so that the damage of the external environment to the internal structure is avoided, and the service life of the lunch box is ensured. The outer surface of the shell 5 is provided with a power indicator light and a touch screen switch so as to display heating operation, and the progress of the heating operation is controlled through the touch screen switch, so that the controllable effect of the device application is ensured.

The chamber 21 one side that holds of inner bag 2 is provided with the dish box structure that is used for placing dish box structure 3 and deposits the position, dish box structure deposit the position correspond outer along being provided with continuous recess 22 of placing, this dish box structure 3 is provided with and places the corresponding joint edge 31 of recess 22, dish box structure 3 locates the one side that holds chamber 21 through joint edge 31 card, the opposite side that holds chamber 21 is for opening the structure, consequently, form edible opening between inner bag 2 and the dish box structure 3, people can directly press from both sides the inside food and get, the branch of having avoided inner bag 2 and dish box structure 3 in the use puts the operation, the sanitary clean and tidy nature in the use has been guaranteed, lunch-box practicality has been promoted. Meal lid 1 is provided with venthole 11 and corresponds detachable end cap 12, then in heating operation, at first need carry out the dismantlement operation of end cap 12 to guarantee that the steam in the heating process can follow venthole 11 and scatter out, guarantee the safety in utilization, also can regard as voltage-sharing structure through venthole 11, realize the equilibrium of internal and external pressure, guarantee practical effect. When the storage process is carried out, the plug 2 can be directly utilized to seal the storage. The air outlet 11 is arranged at the middle position of the end part of the rice cover far away from the shell 5 and is round to ensure the air outlet effect. The rice cover 1 is also provided with a corresponding handle placing groove 14 by hinging the handle 13 at the end surface, when not in use, the handle 13 can be stored by the handle storing groove 14, and the volume of the device is reduced. A holding notch 141 is formed at one side of the handle placing groove 14, and a worker can smoothly rotate and apply force to the handle 13 located inside the holding notch 14 by using a finger tip and take out the handle. Meal lid 1 articulates all around through buckle articulated shaft 15 has buckle structure 6, and this buckle structure 6's one end articulates in four sides of meal lid 1, and the other end carries out the joint operation with the joint spare 54 of peripheral hardware in shell 5 to guarantee to carry the wholeness of in-process lunch-box, promoted the balanced effect of connection effort, provide the guarantee for the portability of device.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should be considered as belonging to the protection scope of the present invention.

Claims

1. A field heating lunch box comprises a shell (5), an inner container (2) and a meal cover (1), the shell (5) is provided with an installation chamber for installing the inner container (2), the inner container (2) is used for containing food and surrounds the rice cover (1) connected with the shell (5) to form a sealed containing cavity (21), it is characterized by also comprising a temperature rising structure, wherein the temperature rising structure comprises a USB heat generating component (4) and a USB joint (41) which are arranged between the shell (5) and the inner container (2), the USB connector (41) is used for realizing the connection of the USB heat generating component (4) and an external power supply, the USB heat generating component (4) can be heated through electric energy, the shell (5) is provided with a through hole (521) for connecting the USB connector (41) and the USB heat generating component (4), and the through hole (521) is provided with a small detachable sealing cover (53).

2. A lunch box for field heating according to claim 1, wherein the USB heat generating component (4) is a plate-shaped structure contacting with the inner container (2) and the outer casing (5), the USB heat generating component (4) is communicated with the USB connector (41) through a connection port, and the through hole (521) is provided with a power interface clip for limiting the position of the USB heat generating component (4) corresponding to the connection port.

3. A lunch box for field heating according to claim 1, wherein the small sealing cover (53) is a rectangular structure with one end hinged with the shell (5), the shell (5) is provided with a rectangular connecting groove (52) corresponding to the small sealing cover (53), the small sealing cover (53) can rotate to the rectangular connecting groove (52) and realize the structure clamping and surrounding to form a USB joint storage groove, and the through hole (521) is positioned in the rectangular connecting groove (52).

4. A field heating lunch box according to claim 1 or 3, characterised in that the material of the small sealing cover (53) is butadiene-acrylonitrile rubber.

5. A field heating lunch box according to claim 1, 2 or 3, characterized in that the housing (5) is provided with a power indicator light and a touch screen switch.

6. A lunch box for field heating according to claim 1, further comprising a dish box structure (3), wherein a dish box structure storage position is arranged at one side of the accommodating cavity (21) of the inner container (2).

7. A field heating lunch box according to claim 6, characterized in that the inner container (2) is provided with a continuous placing groove (22) at the corresponding outer edge of the storage position of the dish box structure, the dish box structure (3) is provided with a clamping edge (31) corresponding to the placing groove (22), and an eating opening is formed between the inner container (2) and the dish box structure (3).

8. A field heating lunch box according to claim 1, characterised in that the lunch box cover (1) is provided with air outlet holes (11) and corresponding removable plugs (12).

9. A lunch box for field heating according to claim 1, wherein the lunch box is characterized in that the lunch box cover (1) is hinged with a buckle structure (6) around, one end of the buckle structure (6) is hinged with the lunch box cover (1), the other end is a clamping end, and the housing (5) is provided with a clamping piece (54) matched with the clamping end.

10. A field heating lunch box according to claim 1, 8 or 9, characterised in that the upper end face of the meal cover (1) far from the shell (5) is hinged with a handle (13) and is provided with a corresponding handle placing groove (14), and one side of the handle placing groove (14) is provided with a holding notch (141).