CN213604906U

CN213604906U - High-strength electric heating lunch box

Info

Publication number: CN213604906U
Application number: CN202021207315.0U
Authority: CN
Inventors: 朱泽春; 邹凌风; 胡益民
Original assignee: Joyoung Co Ltd
Current assignee: Joyoung Co Ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-07-06
Anticipated expiration: 2030-06-24

Abstract

The utility model discloses a high strength electric heat lunch-box belongs to the small household electrical appliances field, solves the current problem that electric heat lunch-box is changeful, the heat insulating ability is poor, the utility model discloses a high strength electric heat lunch-box, including the box body, its characterized in that, the box body includes interior box body and outer box body, interior box body encloses into the open heating chamber in upper portion, outer box body surrounds at least the lateral wall of interior box body and support each other through the strengthening rib between the two, so that outer box body with form thermal-insulated chamber between the lateral wall of interior box body. The heat insulation cavity greatly weakens the capability of radiating and conducting heat in the heating cavity to the outside, reduces the heat loss in the heating process, improves the food heating efficiency and the heat preservation effect of the electric heating lunch box, and simultaneously reduces the temperature of the outer box body, so that the outer box body has better anti-scalding performance; support each other through the strengthening rib between interior box body and the outer box body, improved the compressive deformation ability of interior box body and outer box body, promote structural stability and life.

Description

High-strength electric heating lunch box

[ technical field ] A method for producing a semiconductor device

The utility model relates to a small household electrical appliances field especially relates to high strength electric heat lunch-box.

[ background of the invention ]

The electric heating lunch box is a small household appliance which achieves the purposes of heating and heat preservation by enabling high-temperature steam to be generated in the lunch box after the heating body is electrified, and the main function of the electric heating lunch box is used for heating rice and dishes, so that the electric heating lunch box is much smaller in size than the traditional household electric rice cooker, and is convenient for office workers and outdoor people to carry and use. In order to increase the practicability, the electric heating lunch box is usually matched with a plurality of lunch boxes, the bottom layer lunch box provides a heating source (for example, heating water to generate steam), and other lunch boxes are mutually overlapped, so that the dishes can be heated in a layered manner, and the taint of taste is not easy to happen. However, the lunch box is basically of a single-layer structure, and has the problems of easy variability, poor heat preservation and the like, and needs to be improved.

[ Utility model ] content

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing a high-strength electric heating lunch box.

In order to solve the technical problem, the utility model adopts the following technical scheme:

high strength electric heat lunch-box, comprising a box bod, the box body includes interior box body and outer box body, interior box body encloses into the open heating chamber in upper portion, outer box body surrounds at least the lateral wall of interior box body and support each other through the strengthening rib between the two, so that outer box body with form thermal-insulated chamber between the lateral wall of interior box body.

In the high-strength electric heating lunch box, the reinforcing ribs extend in the height direction of the box body.

In the high-strength electric heating lunch box, the reinforcing ribs extend from the upper end of the side wall of the inner box body to the lower end of the side wall of the inner box body.

The box body further comprises a water collecting ring which connects the inner box body and the top of the outer box body, and the reinforcing ribs are connected with the water collecting ring.

In the high-strength electric heating lunch box, the upper surface of the water collecting ring is transited from high to low towards the center direction of the box body.

In the high-strength electric heating lunch box, the outer box body surrounds the side wall and the bottom wall of the inner box body, and the heater is arranged below the bottom wall of the inner box body.

In the high-strength electric heating lunch box, the inner box body and the outer box body are formed in a split manner, and the reinforcing ribs are integrally formed on the inner box body or the outer box body.

In the high-strength electric heating lunch box, the high-strength electric heating lunch box further comprises a base with a built-in heater, and the box body is stacked on the base.

In the high-strength electric heating lunch box, the inner box body, the outer box body and the reinforcing ribs are of an integrally formed structure.

In the high-strength electric heating lunch box, the box body is a plastic part.

The utility model has the advantages that:

the utility model provides a high strength electric heat lunch-box, comprises a box bod, the box body includes interior box body and outer box body, interior box body encloses into the open heating chamber in upper portion, outer box body surrounds at least the lateral wall of interior box body and support each other through the strengthening rib between the two, so that outer box body with form thermal-insulated chamber between the lateral wall of interior box body. The inner box body and the outer box body form a heat insulation cavity, the heat insulation cavity greatly weakens the capability of heat in the heating cavity to radiate and conduct to the outside, the heat loss in the heating process is reduced, the food heating efficiency and the heat insulation effect of the electric heating lunch box are improved, and the temperature of the outer box body is reduced at the same time, so that the outer box body has better scald prevention performance; support each other through the strengthening rib between interior box body and the outer box body, improved the compressive deformation ability of interior box body and outer box body, promote structural stability and life.

Further, the reinforcing ribs extend in the height direction of the box body. When the electric heating lunch box is in use, the lunch boxes are stacked from bottom to top, and the lunch box below mainly bears the weight of the lunch box above and the meal, so that the reinforcing ribs extend in the height direction of the box body to fully exert the effect of the reinforcing ribs and disperse the acting force of the inner box body and the outer box body in the height direction.

Furthermore, the reinforcing rib extends to the lateral wall lower extreme of interior box body by the lateral wall upper end of interior box body. The inner box body can be effectively supported by the reinforcing ribs in the height direction.

Furthermore, the box body also comprises a water collecting ring which connects the top of the inner box body and the top of the outer box body, and the reinforcing rib is connected with the water collecting ring. Receive the water ring and set up at the box body top for accept the comdenstion water, the strengthening rib is even received the water ring, receives the water ring promptly and is supported by the strengthening rib, has increased the compressive deformation ability of receiving the water ring, prevents to receive the water ring and is pressed the deformation and lead to receiving the water function failure.

Furthermore, the upper surface of the water collecting ring is transited from high to low towards the center direction of the box body. The liquid such as condensed water and the like received on the upper surface of the water receiving ring is guided to the heating cavity, so that the liquid such as the condensed water and the like is prevented from overflowing to increase the cleaning difficulty and pollute the table board.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention will be further explained with reference to the drawings:

FIG. 1 is a schematic view of an external structure of an electric heating lunch box according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a box body according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of the box body according to an embodiment of the present invention;

fig. 4 is a schematic view of an assembly structure of the cartridge body according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of the box body according to an embodiment of the present invention.

Reference numerals:

100 a base plate;

200 cases, 210 outer cases, 211 outer case bottom wall, 212 outer case side wall, 213 lower connecting column, 220 inner case, 221 inner case bottom wall, 222 inner case side wall, 223 air vent, 224 upper connecting column, 230 reinforcing rib, 240 heat insulation cavity, 250 heating cavity and 260 water collecting ring;

300, covering the box;

400 a heater;

500 operating a panel.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 to 3, in an embodiment of the present invention, a high strength electric lunch box includes a box body 200, the box body 200 includes an inner box body 220 and an outer box body 210, the inner box body 220 encloses a heating cavity 250 with an open upper portion, the outer box body 210 at least encloses the side wall of the inner box body 220 and is supported by a reinforcing rib 230 therebetween, so that an insulating cavity 240 is formed between the side wall of the inner box body 220 and the outer box body 210.

Specifically, the electric lunch box of the present embodiment sequentially includes a box cover 300, a box body 200 and a base 100 from top to bottom, the box body 200 has a heating cavity 250 with an open upper portion, the box cover 300 covers the box body 200, the box body 200 is stacked on the base 100, and the base 100 is provided with a heater and an operation panel. When the electric heating lunch box is used, a proper amount of water is put into the base 100, parameters such as heating time/temperature and the like are set by a user through the operation panel, the heater heats the water in the base 100 to generate steam, and dishes or rice are steamed by utilizing the heat of the steam. It should be understood that: the number of the box bodies 200 of the electric heating lunch box can be flexibly configured according to actual needs, and is not limited to the embodiment.

The inner box 220 includes an inner box sidewall 222 and an inner box bottom wall 221, the inner box sidewall 222 and the inner box bottom wall 221 enclose a heating cavity 250 with an open upper portion, the outer box 210 encloses the inner box sidewall 222 and forms a heat insulation cavity 240 with the inner box sidewall 222, the upper end of the inner box sidewall 222 is connected with the upper portion of the outer box 210, the lower portion of the outer box 210 is open, the inner box bottom wall 221 is provided with air holes 223, when the electric heating lunch box is used, steam generated by heating water in the base 100 enters the heating cavity 250 of the inner box 220 through the air holes 223.

The heat insulation cavity 240 greatly weakens the ability of heat in the heating cavity 250 to radiate and conduct to the outside, reduces heat loss in the heating process, improves the food heating efficiency and the heat insulation effect of the electric heating lunch box, and simultaneously reduces the temperature of the outer box body 210, so that the outer box body 210 has better scald-proof performance; moreover, the outer case 210 and the inner case sidewall 222 are supported by the reinforcing ribs 230, so that the compression and deformation resistance of the inner case 220 and the outer case 210 is improved, the structural stability is improved, and the service life is prolonged. Preferably, the inner container 220 and the outer container 210 are plastic parts, and the inner container 220, the outer container 210 and the reinforcing rib 230 are integrally formed, so that the inner container has low cost, light weight and good portability.

As shown in fig. 1, when the electric lunch box is used, the lid 300, the at least one box 200, and the base 100 are stacked from top to bottom, and the lower box mainly bears the weight of the upper box and the meal, so that the reinforcing ribs 230 of the embodiment extend in the height direction of the box 200 to fully exert the function of the reinforcing ribs 230, and disperse the acting force of the inner box 220 and the outer box 210 in the height direction. The following are exemplary: referring to fig. 2 and 3, a plurality of ribs 230 are circumferentially distributed along the box body 200 in the insulating chamber 240, and each rib 230 extends from the upper end of the inner box body sidewall 222 to the lower end of the inner box body sidewall 222, so that the inner box body 220 can be effectively supported by the rib 230 in the height direction.

Referring to fig. 3, the high-strength electric heating lunch box provided in an embodiment of the present invention is based on the high-strength electric heating lunch box described in the above embodiment: the case 200 further includes a water receiving ring 260 connecting the inner case 220 and the top of the outer case 210, and a reinforcing rib 230 connecting the water receiving ring 260. Particularly, interior box body lateral wall 222 upper end encloses into the box mouth, receives water ring 260 by the outside extension of interior box body lateral wall 222 upper end and connect outer box body 210 top, receives water ring 260 and is used for accepting the comdenstion water by setting up at the box body top, and strengthening rib 230 is connected and is received water ring 260, receives water ring 260 promptly and is supported by strengthening rib 230, has increased the compressive deformation ability of receiving water ring 260, prevents to receive water ring 260 and is pressed the deformation and lead to receiving water function failure. In order to better collect the condensed water, the upper surface of the water collecting ring 260 is transited from high to low, such as an inclined surface or an arc shape, toward the center of the box body 200, so that the condensed water and other liquid received by the upper surface of the water collecting ring 260 are guided into the heating chamber 250, and the condensed water and other liquid are prevented from overflowing to increase the cleaning difficulty and pollute the table top.

Referring to fig. 4 and 5, the high strength electric heating lunch box according to an embodiment of the present invention is different from the previous embodiments in that the outer case 210 of the present embodiment includes an outer case sidewall 212 and an outer case bottom wall 211, so that the outer case 210 encloses the inner case sidewall 222 and the inner case bottom wall 221 to form a relatively closed heat insulation cavity 240, the heater 400 is disposed below the inner case bottom wall 221, and the outer case sidewall 212 is provided with an operation panel 500. In order to facilitate the installation of the operation panel 500 and the heater 400, the case 200 is formed as a separate structure, that is, the inner case 220 and the outer case 210 are separately formed, the reinforcing rib 230 is integrally formed on the inner case 220 or the outer case 210, the inner case bottom wall 221 extends downward to form the upper connection column 224, the outer case bottom wall 211 extends upward to form the lower connection column 213, and the upper connection column 224 and the lower connection column 213 are fixedly connected (e.g., screwed) to fix the inner case 220 and the outer case 210 together.

The electric heating lunch box of the embodiment can also be provided with a plurality of lunch boxes which are sequentially stacked on the box body with the heater of the embodiment, and the structure of the lunch box can refer to the previous embodiment.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. High strength electric heat lunch-box, including the box body, its characterized in that, the box body includes interior box body and outer box body, interior box body encloses into the open heating chamber in upper portion, outer box body surrounds at least support each other through the strengthening rib between the lateral wall of interior box body and the two, so that outer box body with form thermal-insulated chamber between the lateral wall of interior box body.

2. A high strength electrothermal canteen according to claim 1, wherein the ribs extend in the height direction of the canteen body.

3. The high strength electrothermal canteen of claim 2, wherein the reinforcing ribs extend from the upper end of the side wall of the inner housing to the lower end of the side wall of the inner housing.

4. The high strength electrothermal canteen of claim 1, wherein the housing further comprises a water receiving ring connecting the top of the inner housing to the top of the outer housing, and the reinforcing rib is connected to the water receiving ring.

5. The electrothermal lunch box of claim 4, wherein the upper surface of the water collecting ring transitions from high to low in the direction of the center of the box body.

6. An electrothermal lunch box according to any one of claims 1 to 5, wherein the outer case encloses the side walls and bottom wall of the inner case, and a heater is provided under the bottom wall of the inner case.

7. The high strength electrothermal canteen of claim 6, wherein the inner case and the outer case are formed separately, and the reinforcing rib is integrally formed on the inner case or the outer case.

8. An electrothermal lunch box according to any one of claims 1 to 5, wherein the electrothermal lunch box further comprises a base with a heater built therein, and the box body is stacked on the base.

9. The high strength electrothermal canteen of claim 8, wherein the inner housing, the outer housing, and the ribs are integrally formed.

10. A high intensity electrothermal canteen according to any one of claims 1 to 5, wherein the housing is a plastic part.