CN220327002U

CN220327002U - Portable self-heating heat preservation lunch box

Info

Publication number: CN220327002U
Application number: CN202322053282.9U
Authority: CN
Inventors: 方奕涵; 朱奇
Original assignee: Hefei Seventh Middle School
Current assignee: Hefei Seventh Middle School
Priority date: 2023-08-02
Filing date: 2023-08-02
Publication date: 2024-01-12
Anticipated expiration: 2033-08-02

Abstract

The utility model discloses a portable self-heating heat-preserving lunch box which comprises a box body and a box cover arranged on the box body, wherein an air-permeable partition plate is arranged in the inner cavity of the box body, the air-permeable partition plate sequentially divides the inner cavity of the box body into an inner box placing cavity and a water containing cavity from top to bottom, a heating device is arranged in the water containing cavity, an inner box main body is arranged on the air-permeable partition plate and positioned in the inner box placing cavity, and a partition piece is arranged in the inner cavity of the inner box main body. According to the technical scheme, the partition piece is arranged in the inner box main body, so that a user can flexibly install the inner box partition board on the column body or detach the inner box partition board from the column body according to the number of food types and the capacity to be placed, and accordingly various different foods can be placed conveniently and separated, the foods are effectively prevented from being mixed together, and the taste is affected.

Description

Portable self-heating heat preservation lunch box

Technical Field

The utility model relates to the technical field of lunch boxes, in particular to a portable self-heating heat-preserving lunch box.

Background

Cutlery boxes are important cutlery commonly used in everyday life for carrying food and may be provided at work or in the field for a period of time. At present, various lunch boxes are sold in the market, wherein the self-heating heat-preserving lunch box belongs to one of the lunch boxes, and the lunch box does not need tools such as a microwave oven and the like to carry out auxiliary heating, so that the use is more convenient.

The portable self-heating lunch box disclosed in the application number CN 202021689083.7: after putting into the lunch-box with waiting to heat food, through with outside power and power input interface connection circular telegram, the hot plate sets up in the box body bottom, heat the inner bag to the hot plate after switching on to with the heat transfer for the food of waiting to heat of inner bag the inside, wait to heat the food fast, it is convenient to heat, be applicable to heating the food when traveling, the fixation clamp that sets up is covered down, can be used to fixed tableware, cover the embedded gas pocket down, be convenient for discharge the gas of box body the inside after the heating is accomplished, the upper cover uses with the lower cover cooperation, the upper cover covers the lower cover and the lock is on the box body, be provided with the handle on the upper cover, portable.

Although the above lunch box solves the technical problems that the prior ordinary lunch box is inconvenient to carry and does not have a heat preservation function, needs to be heated by a microwave oven, and can not meet the requirements of people for eating in time, the following defects still exist and are still to be improved:

the inner container of the lunch box is inconvenient to sort and place for different foods, so that the foods are stacked together to be easy to taint, the taste is affected, and the appetite of people is reduced. Therefore, we propose a portable self-heating thermal insulation lunch box.

Disclosure of Invention

The utility model aims to provide a portable self-heating heat-preservation lunch box so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the portable self-heating heat-preservation lunch box comprises a box body and a box cover arranged on the box body, wherein an inner cavity of the box body is provided with a ventilation partition plate, the inner cavity of the box body is sequentially partitioned into an inner box placing cavity and a water containing cavity from top to bottom, a heating device is arranged in the water containing cavity, an inner box main body is arranged on the ventilation partition plate and positioned in the inner box placing cavity, and a partition piece is arranged in the inner cavity of the inner box main body; wherein,

the partition piece comprises a column body vertically arranged at the axis of the inner cavity of the inner box main body, a plurality of groups of inner box partition boards matched with the inner cavity of the inner box main body are attached to the circumferential outer wall of the column body in an annular array, a bump attached to the top of the column body is integrally arranged on one side of the inner box partition board, which faces the column body, the bottom of the bump is provided with an inserting column, and a plurality of groups of inserting holes for accommodating the inserting column are formed in the top of the column body in an annular array.

The improvement is that the cross section of the inserted post is rectangular, the upper surface of the inner box partition board is provided with a miniature operation handle, and the top of the miniature operation handle and the top of the inner box main body are positioned on the same plane.

The inner box is characterized in that the inner box body is of a hollow cylindrical structure with an opening at the top, and a spiral heat conducting piece is embedded in the circumferential outer wall of the inner box body.

The air-permeable partition plate comprises a plate body which is detachably arranged in the inner cavity of the box body, wherein the upper surface of the plate body is provided with a limiting groove for accommodating the lower end of the inner box body, and the bottom of the limiting groove and the upper surface of the plate body are uniformly provided with air holes.

The upper surface of the box cover is provided with a cover plate for sealing the accommodating groove.

The improvement is that the box cover is connected with the box body through the fastener, and handles are symmetrically and rotatably sleeved on two sides of the outer wall of the box body.

The improvement is that a heat preservation and insulation layer is arranged in the box body.

Compared with the prior art, the utility model has the beneficial effects that:

according to the technical scheme, the partition piece is arranged in the inner box main body, so that a user can flexibly install the inner box partition board on the column body or detach the inner box partition board from the column body according to the number of food types and the capacity to be placed, and accordingly various different foods can be placed conveniently and separated, the foods are effectively prevented from being mixed together, and the taste is affected.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the structure of FIG. 1 in accordance with the present utility model;

FIG. 3 is a schematic view of the main structure of the inner case of the present utility model;

FIG. 4 is a schematic view of a separator structure according to the present utility model;

fig. 5 is a schematic view of the structure of the air-permeable partition plate of the present utility model.

In the figure: 1. a case body; 2. a box cover; 3. a breathable separation plate; 31. a plate body; 32. a limit groove; 33. ventilation holes; 4. a water containing cavity; 5. a heating device; 6. an inner case main body; 7. a column; 8. an inner box partition; 9. a bump; 10. inserting a column; 11. a spiral heat conducting member; 12. a clip; 13. an accommodating groove; 14. a groove partition; 15. a cover plate; 16. a handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-4, a portable self-heating thermal insulation lunch box comprises a box body 1 and a box cover 2 arranged on the box body 1, wherein the box cover 2 is connected with the box body 1 through a clamping piece 12, and the clamping piece 12 belongs to the prior art and is not described in detail herein; the handles 16 are symmetrically and rotatably sleeved on two sides of the outer wall of the box body 1, as can be seen from fig. 1, the handles 16 are U-shaped, the handles 16 are arranged to facilitate a user to carry the lunch box, a heat preservation and insulation layer (not shown in the figure) is arranged in the box body 1, the heat preservation performance of the lunch box is improved through the heat preservation and insulation layer, heat dissipation is reduced, the phenomenon that a user is scalded due to overhigh temperature of the lunch box is avoided, and the heat preservation and insulation layer belongs to the prior art and is not described in detail herein;

it should be noted that the lid 2 has an exhaust hole for exhausting gas, which will not be described in detail herein;

the inner cavity of the box body 1 is provided with an air-permeable partition plate 3, the air-permeable partition plate 3 divides the inner cavity of the box body 1 into an inner box placing cavity and a water containing cavity 4 in sequence from top to bottom, a heating device 5 is arranged in the water containing cavity 4, the heating device 5 is an electric heater, a power line capable of being plugged in and pulled out is arranged on a power jack of the electric heater, and a power plug is arranged at the other end of the power line;

an inner box main body 6 is arranged on the breathable separation plate 3 and positioned in the inner box placing cavity, and a separation piece is arranged in the inner cavity of the inner box main body 6; wherein,

the partition piece includes the cylinder 7 of vertical interior box main part 6 inner chamber axle center department of locating, and the circumference outer wall of cylinder 7 is equipped with multiunit and interior box baffle 8 of interior box main part 6 inner chamber adaptation with annular array laminating, and specifically, one side outer wall that interior box baffle 8 kept away from cylinder 7 is laminated with the circumference inner wall of interior box main part 6, and the bottom of interior box baffle 8 is laminated with the bottom inner wall of interior box main part 6, through interior box baffle 8 adjustable interior box main part 6 inner chamber food space's size and quantity.

The inner box partition plate 8 is integrally provided with a convex block 9 attached to the top of the column 7 towards one side of the column 7, the bottom of the convex block 9 is provided with a plug column 10, and the top of the column 7 is provided with a plurality of groups of jacks for accommodating the plug columns 10 in an annular array; through increase or reduce interior box baffle 8 in interior box main part 6, conveniently form a plurality of cavitys of holding so that categorised placing different foods in interior box main part 6 inner chamber, separate through interior box baffle 8 between each food simultaneously, avoid the food to mix and influence the taste in one, can be according to the nimble adjustment of the food volume of placing simultaneously interior box baffle 8 separate hold the cavity size, and this application adopts the jack cooperation at spliced pole 10 and spliced pole 10 top to realize interior box baffle 8's installation, not only convenient, simultaneously because the jack is in the upper surface of spliced pole 10, be difficult for making food get into the jack, the waste of food and the clean degree of difficulty in box main part 6 later stages have been reduced.

Referring to fig. 5, the cross section of the post 10 of the present embodiment is preferably rectangular so that the inner box partition 8 does not rotate relative to the post 7; the upper surface of interior box baffle 8 is equipped with miniature operation handle, and convenient user's manual operation, the top of miniature operation handle is in the coplanar with the top of interior box main part 6.

As a preferred embodiment, the inner box main body 6 of the present embodiment is of a hollow cylindrical structure with an opening at the top, the spiral heat conducting member 11 is embedded in the circumferential outer wall of the inner box main body 6, the spiral heat conducting member 11 is made of a heat conducting metal material or a ceramic material, and in the process of upward hot steam, part of heat in the hot steam can be absorbed by the spiral heat conducting member 11 and uniformly transferred to the inner box main body 6, so that food inside the inner box main body 6 is uniformly heated, and the heating efficiency and quality of the lunch box on the food inside are improved.

As an advantage, the ventilation partition plate 3 of the embodiment includes a plate 31 detachably disposed in the inner cavity of the box 1, for example, the plate 31 adopts a bolt or a sliding block and a sliding groove assembly mode, so that the plate 31 is convenient to be detached to maintain the heating device 5 at the bottom or clean the water containing cavity 4;

the upper surface of plate body 31 has seted up spacing groove 32 for hold the lower extreme of interior box main part 6, the bleeder vent 33 has evenly been seted up to the tank bottom of spacing groove 32 and the upper surface of plate body 31, makes the steam that the water in the water holding chamber 4 of heating device 5 heating pass through.

By taking out the inner case main body 6, water can be replenished into the water containing chamber 4 from the inner case placement chamber.

As a preferred embodiment, the upper surface of the box cover 2 of the present embodiment is provided with a containing groove 13, the containing groove 13 is internally provided with a groove partition 14, the groove partition 14 divides the inner cavity of the containing groove 13 into a first cavity for placing tableware and a second cavity for placing the inner box partition 8, the first cavity is convenient for a user to place chopsticks or spoons, and the second cavity is used for placing the inner box partition 8 so that the user can use the inner box partition 8.

The upper surface of the box cover 2 is provided with a cover plate 15 for closing the accommodating groove 13, one end of the cover plate 15 is rotatably connected with the inner wall of one side of the accommodating groove 13, and the other end of the cover plate 15 can be clamped with the upper surface of the box cover 2, which is not limited in this way, and will not be described in detail.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a portable self-heating heat preservation lunch-box, includes box body (1) and locates lid (2) on box body (1), its characterized in that: the inner cavity of the box body (1) is provided with an air-permeable partition plate (3), the air-permeable partition plate (3) sequentially divides the inner cavity of the box body (1) into an inner box placing cavity and a water containing cavity (4) from top to bottom, a heating device (5) is arranged in the water containing cavity (4), an inner box main body (6) is arranged on the air-permeable partition plate (3) and positioned in the inner box placing cavity, and a partition piece is arranged in the inner cavity of the inner box main body (6); wherein,

the partition piece comprises a column body (7) vertically arranged at the axis of the inner cavity of the inner box main body (6), a plurality of groups of inner box partition plates (8) matched with the inner cavity of the inner box main body (6) are arranged on the circumferential outer wall of the column body (7) in a fitting mode through an annular array, protruding blocks (9) attached to the tops of the column body (7) are integrally arranged on one sides of the inner box partition plates (8) facing the column body (7), inserting columns (10) are arranged at the bottoms of the protruding blocks (9), and insertion holes for accommodating the inserting columns (10) are formed in the top of the column body (7) in a plurality of groups through the annular array.

2. The portable self-heating insulated lunch box according to claim 1, wherein: the cross section of inserted post (10) is the rectangle, the upper surface of interior box baffle (8) is equipped with miniature operation handle, the top of miniature operation handle is in the coplanar with the top of interior box main part (6).

3. The portable self-heating insulated lunch box according to claim 1, wherein: the inner box body (6) is of a hollow cylindrical structure with an opening at the top, and a spiral heat conducting piece (11) is embedded in the circumferential outer wall of the inner box body (6).

4. The portable self-heating insulated lunch box according to claim 1, wherein: the breathable separation plate (3) comprises a plate body (31) which is detachably arranged in the inner cavity of the box body (1), wherein a limit groove (32) is formed in the upper surface of the plate body (31) and used for accommodating the lower end of the inner box main body (6), and ventilation holes (33) are uniformly formed in the groove bottom of the limit groove (32) and the upper surface of the plate body (31).

5. The portable self-heating insulated lunch box according to claim 1, wherein: the upper surface of lid (2) has seted up accommodation groove (13), be equipped with recess baffle (14) in accommodation groove (13), recess baffle (14) are separated into first cavity that is used for placing the tableware and second cavity that is used for placing interior box baffle (8) with accommodation groove (13) inner chamber, the upper surface of lid (2) is equipped with apron (15) that are used for sealing accommodation groove (13).

6. The portable self-heating insulated lunch box according to claim 1, wherein: the box cover (2) is connected with the box body (1) through the clamping piece (12), and handles (16) are symmetrically and rotatably sleeved on two sides of the outer wall of the box body (1).

7. The portable self-heating insulated lunch box according to claim 1, wherein: a heat preservation and insulation layer is arranged in the box body (1).