CN213154543U - Convenient electric heating lunch box - Google Patents

Abstract

The utility model discloses a convenient to use's electric heat lunch-box belongs to the small household electrical appliances field, solves current electric heat lunch-box and stacks difficult alignment scheduling problem, the utility model provides a convenient to use's electric heat lunch-box, including first box body with stack in second box body on the first box body, first box body top is all around along having a plurality of stoppers that the circumference interval set up and encircleing the lower surrounding edge in a plurality of stopper outsides, second box body bottom is all around being equipped with the surrounding edge, second box body stack in during the first box body, go up the surrounding edge peg graft in down the surrounding edge with between the stopper and by the two inside and outside backstop spacing. A plurality of stoppers only carry out the backstop to last surrounding edge part spacing, a plurality of stoppers and last surrounding edge are difficult to take place to interfere in the lunch-box direction of height to conveniently will go up the surrounding edge when stacking the second box body and counterpoint and insert between stopper and the lower surrounding edge, the operation of stacking or separating of first box body and second box body is all more convenient, promotes to use and experiences.

Description

Convenient 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 convenient to use's 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 practicality, current electric heat lunch-box is supporting to have a plurality of lunch-boxes, the bottom lunch-box provides other lunch-boxes of heating source (for example add hot water and produce steam) superpose each other, make the meal can be by the layered heating, be difficult for tainting the flavor, cooperation through inserting groove and grafting muscle between two lunch-boxes of superpose is horizontal spacing, nevertheless inserting groove and grafting muscle are all designed into closed loop structure, it is great that grafting muscle and inserting groove counterpoint the degree of difficulty, the user often will adjust the lunch-box position repeatedly, use experience is relatively poor, especially when appearing grafting muscle and/or inserting groove local deformation in the use, the grafting cooperation can't be accomplished to the two, lead to the fit clearance between two lunch-boxes too big, appear such as steam overflow scheduling problem.

[ Utility model ] content

The utility model aims to solve the technical problem that the utility model overcomes the defects of the prior art and provides the convenient to use's electric heating lunch-box, optimizes the cooperation structure between the lunch-box, and is more convenient when the user stacks the lunch-box.

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

convenient to use's electric heat lunch-box, including first box body with stack in second box body on the first box body, first box body top week is along having a plurality of stoppers that circumference interval set up and surrounding the lower surrounding edge in a plurality of stoppers outside, second box body bottom week is along being equipped with the surrounding edge, when the second box body stack in first box body, go up the surrounding edge peg graft in lower surrounding edge with between the stopper and by the two inside and outside backstop spacing.

In the electric heating lunch box convenient to use, a guide inclined plane is arranged on one side of at least part of the limiting blocks, which faces the lower surrounding edge.

In the electric heating lunch box convenient to use, the periphery of the top of the first box body is an annular edge arranged around the box opening of the first box body, and the lower peripheral edge and the limiting block are convexly arranged on the upper surface of the annular edge.

In the electric heating lunch box convenient to use, the upper surface of the annular edge is transited from high to low towards the center direction of the first box body.

In the electric heating lunch box convenient to use, the first box body is rectangular, the annular edge comprises two first straight edges which are oppositely arranged, two second straight edges which are oppositely arranged and an arc edge which is connected between the two first straight edges and the second straight edges, and the plurality of limiting blocks are distributed on the upper parts of the first straight edges and/or the second straight edges.

In the electric heating lunch box convenient to use, the bottom of the outer side surface of the second box body is provided with the annular notch arranged around the upper surrounding edge, and the lower surrounding edge is matched in the annular notch.

In the electric heating lunch box convenient to use, the upper end surface of the lower periphery abuts against the top surface of the annular notch.

In the above convenient to use's electric heat lunch-box, first box body and/or second box body are bilayer structure, bilayer structure includes interior box body and outer box body, interior box body with be connected with the strengthening rib between the outer box body.

In the convenient electric heating lunch box, the heater is arranged in the first box body; or the electric heating lunch box further comprises a base with a built-in heater, and the first box body and the second box body are sequentially stacked on the base.

In the convenient electric heating lunch box, the first box body and the second box body are both provided with heating cavities, and the electric heating lunch box further comprises a box cover for covering the second box body; or, first box body is equipped with the heating chamber, the second box body closes as the lid first box body.

The utility model has the advantages that:

the utility model provides a convenient to use's electric heat lunch-box, including first box body with stack in second box body on the first box body, first box body top is all along having a plurality of stoppers that the circumference interval set up and encircleing in the lower surrounding edge in a plurality of stopper outsides, second box body bottom is all along being equipped with the surrounding edge, the second box body stack in during the first box body, go up the surrounding edge peg graft in down the surrounding edge with between the stopper and by the two inside and outside backstop spacing.

Based on above-mentioned scheme, when the second box body is stacked in first box body, the last surrounding edge outside of second box body is by the lower surrounding edge backstop of first box body, and the last surrounding edge inboard of second box body is by a plurality of stopper backstops of first box body to restricted the lateral shifting of going up the surrounding edge, also restricted the lateral shifting of second box body on first box body, made the second box body steadily stack in on first box body. Firstly, compared with an inserting groove which forms a closed-loop structure in the prior art, the plurality of limiting blocks only locally limit the upper surrounding edge in a stopping way, the plurality of limiting blocks and the upper surrounding edge are not easy to interfere in the height direction of the lunch box, so that the upper surrounding edge can be conveniently aligned and inserted between the limiting blocks and the lower surrounding edge when the second box body is stacked, the stacking or separating operation of the first box body and the second box body is more convenient, and the use experience is improved; secondly, because a plurality of stoppers only carry out the backstop to last surrounding edge part spacing, go up the surrounding edge and do not appear slightly deforming by stopper backstop spacing region, do not influence the backstop cooperation of the two yet, the second box body still can steadily stack on the first box body.

Furthermore, a guide inclined plane is arranged on one side, facing the lower surrounding edge, of at least part of the limiting blocks. In the second box body stack at first box body in-process, if go up the surrounding edge and do not counterpoint down between surrounding edge and the stopper, the surrounding edge can be to the direction inclined plane of butt to the stopper on the part, utilizes the direction inclined plane to lead to surrounding edge and stopper down with last surrounding edge, and the user need not to adjust second box body position repeatedly, reduces the lunch-box and stacks the degree of difficulty.

Furthermore, the periphery of the top of the first box body is an annular edge arranged around the box opening of the first box body, and the lower surrounding edge and the limiting block are convexly arranged on the upper surface of the annular edge. The setting of surrounding edge has increased the atress area of first box body, and the effort of applying on first box body with the second box body disperses along surrounding edge circumference to increase the bearing capacity of first box body.

Further, the upper surface of the annular edge is transited from high to low towards the center of the first box body. Liquid such as condensed water dripped to the upper surface of the ring edge is guided to the inside of the first box body, so that the phenomenon that the liquid such as the condensed water overflows to increase the cleaning difficulty and pollute the table top is avoided.

Furthermore, the first box body is rectangular, the annular edge comprises two first straight edges which are arranged oppositely, two second straight edges which are arranged oppositely and an arc edge which is connected between the two straight edges, and the limiting blocks are distributed on the first straight edges and/or the second straight edges. It should be noted that: the shape of first box body and second box body is the assorted, if first box body is the rectangle, then the second box body also is the rectangle, the last surrounding edge shape of second box body suits with the surrounding edge shape of first box body, generally, the size at circular arc position is difficult for controlling, it compares the straight flange part and appears the tolerance more easily greatly, the problem of cooperation difficulty, in this scheme, the circular arc edge of surrounding edge does not have the stopper, the problem that the circular arc edge set up the stopper and increase the cooperation degree of difficulty has been avoided, it pegs graft between lower surrounding edge and the stopper to go up the surrounding edge more smoothly.

Furthermore, the bottom of the outer side face of the second box body is provided with an annular notch arranged around the upper surrounding edge, and the lower surrounding edge is matched in the annular notch. The visual obtrusive feeling caused by the exposure of the lower surrounding edge is reduced, so that the outer surface of the electric heating lunch box is smoother and smoother, and the product attractiveness is further improved.

Furthermore, the upper end surface of the lower periphery abuts against the top surface of the annular notch. The fit clearance between the upper end face of the lower surrounding edge and the top surface of the annular notch can be directly observed, the upper end face of the lower surrounding edge is abutted against the top surface of the annular notch to weaken the visual effect of the clearance, and the fit tightness of the first box body and the second box body can be enhanced.

Further, the first box body and/or the second box body are of a double-layer structure, the double-layer structure comprises an inner box body and an outer box body, and reinforcing ribs are connected between the inner box body and the outer box body. Bilayer structure has strengthened the scald preventing performance and the thermal insulation performance of first box body and/or second box body, and the setting of strengthening rib has increased the structural strength of first box body and/or second box body to increase of service life.

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 sectional view of an electric heating lunch box according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

fig. 4 is a schematic structural diagram of the inner box body according to an embodiment of the present invention.

Reference numerals:

100 a first container, 110 an inner container, 111 an inner container side wall, 112 an inner container bottom wall, 120 an outer container, 121 an outer container side wall, 122 an outer container bottom wall, 130 reinforcing ribs, 140 a circular edge, 141 a second straight edge, 142 a first straight edge, 143 an arc edge, 150 a limiting block, 151 a guide inclined plane and 160 a lower surrounding edge;

200, a second box body, 210 upper surrounding edges and 220 annular gaps;

300, covering the box;

400 heater.

[ detailed description ] embodiments

The utility model provides a convenient to use's electric heat lunch-box, including first box body with stack in second box body on the first box body, first box body top is all along having a plurality of stoppers that the circumference interval set up and encircleing in the lower surrounding edge in a plurality of stopper outsides, second box body bottom is all along being equipped with the surrounding edge, the second box body stack in during the first box body, go up the surrounding edge peg graft in down the surrounding edge with between the stopper and by the two inside and outside backstop spacing. The plurality of limiting blocks only locally limit the upper surrounding edge in a stopping way, the plurality of limiting blocks and the upper surrounding edge are not easy to interfere in the height direction of the lunch box, so that the upper surrounding edge can be conveniently aligned and inserted between the limiting blocks and the lower surrounding edge when the second box body is stacked, the stacking or separating operation of the first box body and the second box body is more convenient, and the use experience is improved; go up the surrounding edge and appear slightly deforming in the limited region of stopper backstop by the stopper yet, do not influence the backstop cooperation of the two yet, the second box body still can steadily stack on the first box body.

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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

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. 1-3, in the utility model discloses a convenient to use's electric heat lunch-box, including first box body 100 and the second box body 200 of stack on first box body 100, first box body 100 top is along having a plurality of stoppers 150 that circumference interval set up and surrounding the lower surrounding edge 160 in a plurality of stoppers 150 outsides, second box body 200 bottom is along whole week setting up upper surrounding edge 210, when second box body 200 stacks in first box body 100, upper surrounding edge 210 pegs graft between lower surrounding edge 160 and stopper 150 and by the two inside and outside backstop spacing, thereby restricted the lateral shifting of upper surrounding edge 210, also restrict the lateral shifting of second box body 200 on first box body 100, make second box body 200 steadily stack on first box body 100.

The electric heat lunch-box that this embodiment provided includes lid 300, second box body 200 and first box body 100 from top to bottom in proper order, and first box body 100 embeds heater 400, and first box body 100 and second box body 200 all are equipped with the heating chamber, and when using the electric heat lunch-box, the right amount of water is put into to the heating intracavity of first box body 100, and heater 400 adds hot water and produces steam, carries out steam heating to the meal in first box body 100 and the second box body 200, realizes the meal layered heating, is difficult for tainting with the smell.

The first container 100 has a double-layered structure, and includes an inner container 110 and an outer container 120, and a reinforcing rib 130 is connected between the inner container 110 and the outer container 120. The following are exemplary: interior box body 110 has interior box body diapire 112 and interior box body lateral wall 111, the two encloses into the heating chamber, outer box body 120 has outer box body diapire 122 and outer box body lateral wall 121, with inject thermal-insulated chamber between outer box body 120 and interior box body 110, the setting up of thermal-insulated chamber makes the heat in the heating chamber to the ability of external radiation conduction weakened greatly, heat loss in the heating process has been reduced, the food heating efficiency and the heat preservation effect of electric heat lunch-box have been improved, outer box body temperature has also been reduced simultaneously, make outer box body have better anti-scalding performance. The inner container sidewall 111 and the outer container sidewall 121 are supported by the reinforcing rib 130, thereby increasing the structural strength of the first container 100 to extend the lifespan.

The second container 200 also has a double-layered structure, and the specific structure refers to the first container 100, but a heater is not required to be disposed inside the second container 200, so that the inner container and the outer container of the second container 200 can be integrally formed,

referring to fig. 4, the top periphery of the first box 100 is a rim 140 surrounding the opening of the first box 100, the opening of the first box 100 is surrounded by the upper end of the sidewall 111 of the inner box, the rim 140 extends outwards from the upper end of the sidewall 111 of the inner box, the lower rim 160 and the limiting blocks 150 are protruded on the upper surface of the rim 140, the lower rim 160 is disposed around the outside of the rim 140, and the limiting blocks 150 are circumferentially spaced inside the rim 140. The arrangement of the annular edge 140 increases the force bearing area of the first box 100, and the force applied to the first box 100 by the second box 200 is dispersed along the circumferential direction of the annular edge 140, thereby increasing the load bearing capacity of the first box 100.

Preferably, the upper surface of the annular edge 140 transitions from high to low toward the center of the first box 100, and may be designed to be an inclined surface or an arc surface, so as to guide the liquid such as the condensed water dropping onto the upper surface of the annular edge 140 toward the inside of the first box 100, thereby preventing the liquid such as the condensed water from overflowing to increase the cleaning difficulty and pollute the table top.

Referring to fig. 2 and 3, when the second container 200 is stacked on the first container 100, the outer side of the upper peripheral edge 210 of the second container 200 is stopped by the lower peripheral edge 160 of the first container 100, and the inner side of the upper peripheral edge 210 of the second container 200 is stopped by the plurality of stoppers 150 of the first container 100, so that the lateral movement of the upper peripheral edge 210, that is, the lateral movement of the second container 200 on the first container 100, is limited, and the second container 200 is stably stacked on the first container 100. Nevertheless compare the inserting groove that forms closed loop structure among the prior art, a plurality of stopper 150 only carry out the backstop to last surrounding edge 210 part spacing in this embodiment, a plurality of stopper 150 and last surrounding edge 210 are difficult to take place to interfere in the lunch-box direction of height, with conveniently counterpoint and insert between stopper 150 and lower surrounding edge 160 with last surrounding edge 210 when stacking second box body 200, the stack of first box body 100 and second box body 200 or the separation operation is all more convenient, promote to use and experience, even go up the surrounding edge 210 and not appear slightly deforming by stopper 150 backstop spacing region, also influence the backstop cooperation of the two, second box body 200 still can steadily stack and put on first box body 100.

Preferably, at least a portion of the limiting blocks 150 are provided with guiding inclined planes 151 on one side of the downward surrounding edge 160, all the limiting blocks 150 may be provided with guiding inclined planes, or the limiting blocks 150 provided with guiding inclined planes and the limiting blocks 150 not provided with guiding inclined planes may be alternately distributed at intervals. In the process of stacking the second box 200 on the first box 100, if the upper surrounding edge 210 is not aligned to the position between the lower surrounding edge 160 and the stop block 150, part of the upper surrounding edge 210 will be aligned to the guide inclined plane 151 of the stop block 150, and the guide inclined plane 151 is used to guide the upper surrounding edge 210 to the lower surrounding edge 160 and the stop block 150, so that the user does not need to repeatedly adjust the position of the second box 200, thereby reducing the difficulty of stacking the lunch boxes.

Referring to fig. 4, the first container body 100 and the second container body 200 are rectangular, and the heating chamber defined thereby is also rectangular, and the most sufficient space in the length direction of the heating chamber can accommodate more containers for heating food. The annular edge 140 of the first box 100 includes two first straight edges 142 disposed oppositely, two second straight edges 141 disposed oppositely, and an arc edge 143 connected therebetween, the length of the first straight edge 142 is greater than that of the second straight edge 141, three stoppers 150 are disposed at intervals on the first straight edge 142, two stoppers 150 are disposed at intervals on the second straight edge 141, and no stopper 150 is disposed on the arc edge 143.

Generally, the size of the circular arc part is not easy to be controlled, and the problems of large tolerance and difficult matching are more likely to occur compared with the straight edge part, in this embodiment, the circular arc edge 143 of the circular edge 140 is not provided with the limiting block 150, so that the problem that the matching difficulty is increased by arranging the limiting block 150 on the circular arc edge 143 is avoided, and the upper surrounding edge 210 is more smoothly inserted between the lower surrounding edge 160 and the limiting block 150.

The rectangular configuration of the first container 100 and the second container 200 is only a preferred solution, and in other embodiments, the first container and the second container may be designed into other shapes such as a circle, an ellipse, etc. according to actual needs.

Referring to fig. 3, in an embodiment of the present invention, the electric heating lunch box according to the above embodiment: the bottom of the outer side of the second box 200 is provided with an annular gap 220 arranged around the upper surrounding edge 210, the lower surrounding edge 160 is matched in the annular gap 220, so that the visual obtrusive feeling caused by the exposure of the lower surrounding edge 160 is reduced, the outer surface of the electric heating lunch box is smoother and smoother, and the product attractiveness is further improved.

Preferably, the upper end surface of the lower peripheral edge 160 abuts against the top surface of the annular recess 220. As can be seen from fig. 3, the fitting gap between the upper end surface of the lower surrounding edge 160 and the top surface of the annular notch 220 can be directly observed, and the visual effect of the gap can be weakened by the upper end surface of the lower surrounding edge 160 abutting against the top surface of the annular notch 220, so that the fitting tightness of the first container 100 and the second container 200 can be enhanced.

In one embodiment of the present invention, the electric lunch box comprises a base with a built-in heater, a first box and a second box, wherein the second box and the first box are sequentially stacked on the base. Compared with the previous embodiment, the first box body and the second box body do not have the heating function, and the base heats water to generate steam to heat the food in the first box body and the second box body.

In one embodiment of the present invention, the electric lunch box comprises a first box and a second box, the first box is provided with a heating chamber, and the second box is used as a lid for closing the first box. The first box body in the embodiment can be internally provided with a heater to realize the heating function, and can also be stacked on a base internally provided with the heater.

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 (10)

1. Convenient to use's electric heat lunch-box, including first box body with stack in second box body on the first box body, its characterized in that, first box body top week is along having a plurality of stoppers that circumference interval set up and surrounding in the lower surrounding edge in a plurality of stoppers outsides, second box body bottom week is along being equipped with the surrounding edge, when the second box body stack in first box body, go up the surrounding edge peg graft in under the surrounding edge with between the stopper and by the two inside and outside backstop spacing.

2. An electrothermal canteen according to claim 1, wherein at least some of the stoppers are provided with a guide slope on a side facing the lower skirt.

3. The electric heating lunch box convenient to use as claimed in claim 1, wherein the top peripheral edge of the first box body is an annular edge arranged around the box opening of the first box body, and the lower peripheral edge and the limiting block are convexly arranged on the upper surface of the annular edge.

4. An electrically heated lunch box according to claim 3 wherein said ring has an upper surface which transitions from high to low in the direction of the centre of said first box portion.

5. An electric heating lunch box convenient to use as claimed in claim 3, wherein the first box body is rectangular, the annular edge comprises two first straight edges which are oppositely arranged, two second straight edges which are oppositely arranged and a circular arc edge which is connected between the two straight edges, and the plurality of limit blocks are distributed on the first straight edges and/or the second straight edges.

6. The electric lunch box according to claim 1, wherein the bottom of the outer side of the second box body has an annular notch surrounding the upper peripheral edge, and the lower peripheral edge fits in the annular notch.

7. An electric lunch box according to claim 6, wherein the upper end surface of the lower peripheral edge abuts against the top surface of the annular notch.

8. An electric lunch box according to any one of claims 1 to 7, wherein the first container and/or the second container have a double structure comprising an inner container and an outer container, and reinforcing ribs are connected between the inner container and the outer container.

9. An electric lunch box according to any one of claims 1 to 7, wherein a heater is built in said first container; or the electric heating lunch box further comprises a base with a built-in heater, and the first box body and the second box body are sequentially stacked on the base.

10. An electric lunch box according to any one of claims 1 to 7, wherein said first box body and said second box body are provided with heating chambers, said electric lunch box further comprising a lid for covering said second box body; or, first box body is equipped with the heating chamber, the second box body closes as the lid first box body.

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