CN212465203U

CN212465203U - Refrigeration heating type lunch-box

Info

Publication number: CN212465203U
Application number: CN202020422460.4U
Authority: CN
Inventors: 马凤兰
Original assignee: Individual
Current assignee: Zhejiang Halin Heat Preservation Utensils Co ltd
Priority date: 2020-03-29
Filing date: 2020-03-29
Publication date: 2021-02-05
Anticipated expiration: 2030-03-29

Abstract

The utility model relates to the field of articles for daily use, in particular to a refrigerating and heating lunch box, which comprises a sealing cover, a lunch box body and a lunch box barrel body; the left side and the right side of the bottom end in the lunch box body are fixedly provided with supporting pieces, and the middle of the bottom end in the lunch box body is provided with a heating assembly; the lunch box comprises a lunch box body and is characterized in that a heat-conducting fin is arranged in the lunch box body, a refrigerating cavity is formed between the heat-conducting fin and the inner wall of the lunch box body, a supporting roller is arranged in the refrigerating cavity at the lower end of the lunch box body and used for supporting a heating assembly; when the refrigerating and heating lunch box is used, if food materials are heated, the bottom end of the lunch box barrel is heated through the heating assembly; if the food materials are cooled, the heating assembly is closed, and the food materials in the lunch box barrel are cooled by introducing cold air into the refrigerating cavity for circulation; water is not needed to be used as a medium in the whole food material heating process, and the heat efficiency is improved.

Description

Refrigeration heating type lunch-box

Technical Field

The utility model relates to the field of articles for daily use, specifically a refrigeration heating type lunch-box.

Background

The lunch box is a box specially used for containing food, is also called as a box and is mostly made of aluminum, stainless steel and plastics; lunch boxes are common food containing tools in life, and for office workers who return early and late, the lunch box is mainly used for containing rice with a rice box.

In the prior lunch box, the structure of the lunch box is generally simpler, the lunch box with a simple structure does not have the self-heating function, and a microwave oven is needed when the lunch box is heated; even if some lunch boxes with self-heating functions are on the market, the heating mode is generally that the heating fins are electrified to heat water, so that the water becomes high-temperature water vapor to heat the lunch box barrel, and the heat loss is large due to the heat transfer medium water in the process, so that the energy consumption is large.

To the problem in the above-mentioned background art, the utility model aims at providing a refrigeration heating type lunch-box.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a refrigeration heating type lunch-box to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a refrigerating and heating type lunch box, comprising: the lunch box comprises a sealing cover, a lunch box body and a lunch box barrel, wherein the left side and the right side of the upper end of the lunch box body are provided with buckles;

the left side and the right side of the bottom end in the lunch box body are fixedly provided with the supporting pieces, when the lunch box barrel is heated, the lunch box barrel is placed on the supporting pieces on the left side and the right side in the lunch box body, and the middle of the bottom end in the lunch box body is provided with the heating assembly; the lunch box comprises a lunch box body and is characterized in that heat-conducting fins are arranged inside the lunch box body, a refrigeration cavity is formed between the heat-conducting fins and the inner wall of the lunch box body, a supporting roll is arranged on the part, at the lower end of the lunch box body, of the refrigeration cavity, and the supporting roll is used for supporting a heating assembly.

As a further aspect of the present invention: in order to open the sealing cover conveniently, a handle is arranged at the upper end of the sealing cover; in order to conveniently take the lunch box barrel, pull rings are arranged on the left side and the right side of the upper end of the lunch box barrel.

As a further aspect of the present invention: the lunch-box body outside front end is equipped with the switch, and electrically conductive port has been seted up to lunch-box body right side lower extreme, and lunch-box body bottom is equipped with the flexible glue arch, and the switch is used for opening the heating subassembly, makes the heating subassembly pass through electrically conductive port switch on, and the flexible glue arch has then improved the anti-skidding effect of refrigeration heating type lunch-box.

As a further aspect of the present invention: in order to improve the heat accumulation effect when the heating assembly generates heat and reduce the destructive force of high temperature generated when the heating assembly operates on the supporting piece, a heat insulation plate is arranged between the supporting piece and the heating assembly and is made of heat insulation materials.

As a further aspect of the present invention: the heating assembly comprises a sealing plug, a glass tube and an arc-shaped bottom end, the sealing plug is installed and fixed on the left side of the glass tube, an air outlet hole is formed in the sealing plug, and the arc-shaped bottom end is arranged on the right side of the glass tube.

As a further aspect of the present invention: a metal connecting sheet penetrates through the glass tube, the right end of the metal connecting sheet is connected with a metal wrapping sheet, the metal wrapping sheet is communicated with a conductive port, and metal heating sheets are regularly installed on the metal connecting sheet at intervals; the metal connecting sheet and the metal heating sheet are powered on through the metal wrapping sheet, so that the metal connecting sheet and the metal heating sheet generate heat simultaneously to heat the bottom end of the lunch box body.

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

when the refrigerating and heating lunch box is used, if food materials are heated, the bottom end of the lunch box barrel is heated through the heating assembly; if the food materials are cooled, the heating assembly is closed, and the food materials in the lunch box barrel are cooled by introducing cold air into the refrigerating cavity for circulation; the whole process of heating the food materials does not need water as a medium, so that the heat efficiency is improved.

Drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.

Fig. 1 is a schematic view of a sealing structure of a refrigerating and heating lunch box.

Fig. 2 is a schematic structural view of the refrigerating and heating lunch box when opened.

Fig. 3 is a schematic view of the internal structure of the refrigerating and heating lunch box.

Fig. 4 is a schematic structural diagram of a heating assembly in a refrigerating and heating type lunch box.

In the figure: 1-handle, 2-sealing cover, 3-buckle, 4-lunch box body, 5-switch, 6-soft glue bulge, 7-conductive port, 8-lunch box barrel, 9-pull ring, 10-refrigeration cavity, 11-heat conducting sheet, 12-support piece, 13-support roll, 14-heating component, 15-heat insulation board, 16-metal wrapping sheet, 17-arc bottom end, 18-glass tube, 19-metal connecting sheet, 20-metal heating sheet and 21-sealing plug.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

Referring to fig. 1 to 3, in embodiment 1 of the present invention, a cooling and heating lunch box includes: the lunch box comprises a sealing cover 2, a lunch box body 4 and a lunch box barrel body 8, wherein buckles 3 are arranged on the left side and the right side of the upper end of the lunch box body 4, and when the sealing cover 2 is assembled with the lunch box body 4, the left side and the right side of the lower end of the sealing cover 2 are buckled on the buckles 3 on the left side and the right side of the upper end of the lunch box body;

the left side and the right side of the bottom end inside the lunch box body 4 are fixedly provided with the supporting pieces 12, and when the lunch box barrel body 8 is heated, the lunch box barrel body 8 is placed on the supporting pieces 12 on the left side and the right side inside the lunch box body 4; the middle of the bottom end in the lunch box body 4 is provided with a heating component 14; the support 12 is separated from the heating assembly 14 by a heat shield 15; the lunch box comprises a lunch box body 4 and is characterized in that a heat-conducting fin 11 is arranged inside the lunch box body 4, a refrigerating cavity 10 is formed between the heat-conducting fin 11 and the inner wall of the lunch box body 4, a supporting roller 13 is arranged on the lower end of the lunch box body 4 of the refrigerating cavity 10, and the supporting roller 13 is used for supporting a heating assembly 14;

when the food in the lunch box barrel body 8 is heated, after the lunch box barrel body 8 is placed on the supporting piece 12 in the lunch box body 4, the upper end of the lunch box body 4 is hermetically installed through the sealing cover 2; if the food is heated, the bottom end of the lunch box barrel body 8 is heated through the heating component 14; if the food material is cooled, the heating assembly 14 is closed, and the food material in the lunch box barrel body 8 is cooled through introducing cold air into the refrigerating chamber 10 for circulation.

Further, in order to facilitate the opening of the sealing cover 2, a handle 1 is arranged at the upper end of the sealing cover 2; in order to conveniently take the lunch box barrel body 8, pull rings 9 are arranged on the left side and the right side of the upper end of the lunch box barrel body 8.

Further, 4 outside front ends of lunch-box body are equipped with switch 5, and electrically conductive port 7 has been seted up to 4 right sides lower extremes of lunch-box body, and 4 bottoms of lunch-box body are equipped with flexible glue arch 6, and switch 5 is used for opening heating assembly 14, makes heating assembly 14 through electrically conductive port 7 switch-on, and flexible glue arch 6 has then improved the antiskid effect of refrigeration heating type lunch-box.

Further, in order to improve the heat collecting effect when the heating element 14 generates heat and reduce the destructive force of the high temperature generated when the heating element 14 operates on the support 12, a heat insulation plate 15 is disposed between the support 12 and the heating element 14, and the heat insulation plate 15 is made of a heat insulation material.

Example 2

Referring to fig. 4, further, the heating assembly 14 includes a sealing plug 21, a glass tube 18 and an arc-shaped bottom end 17, the sealing plug 21 is installed and fixed on the left side of the glass tube 18, an air outlet is formed on the sealing plug 21, and the arc-shaped bottom end 17 is arranged on the right side of the glass tube 18;

specifically, a metal connecting sheet 19 penetrates through the glass tube 18, the right end of the metal connecting sheet 19 is connected with a metal wrapping sheet 16, the metal wrapping sheet 16 is communicated with the conductive port 7, and metal heating sheets 20 are regularly installed on the metal connecting sheet 19 at intervals;

the metal connecting sheet 19 and the metal heating sheet 20 are powered on through the metal wrapping sheet 16 at the same time, so that the metal connecting sheet 19 and the metal heating sheet 20 generate heat at the same time, and the bottom end of the lunch box barrel body 8 is heated;

the rest of the structure of example 2 is the same as example 1.

The embodiment of the utility model provides a theory of operation is:

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; 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 in specific cases to those skilled in the art.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A refrigerating and heating type lunch box, comprising: sealed lid (2), lunch-box body (4) and lunch-box barrel (8), its characterized in that:

the left side and the right side of the upper end of the lunch box body (4) are provided with the buckles (3), and when the sealing cover (2) is assembled with the lunch box body (4), the left side and the right side of the lower end of the sealing cover (2) are buckled on the buckles (3) on the left side and the right side of the upper end of the lunch box body (4);

the left side and the right side of the bottom end inside the lunch box body (4) are fixedly provided with supporting pieces (12), and the middle of the bottom end inside the lunch box body (4) is provided with a heating component (14); the lunch box is characterized in that the heat conducting fins (11) are arranged inside the lunch box body (4), the refrigerating cavity (10) is formed between the heat conducting fins (11) and the inner wall of the lunch box body (4), and the supporting rollers (13) are arranged on the part, at the lower end of the lunch box body (4), of the refrigerating cavity (10).

2. The refrigeration-heating type lunch box according to claim 1, wherein: the upper end of the sealing cover (2) is provided with a handle (1); the left side and the right side of the upper end of the lunch box barrel body (8) are provided with pull rings (9).

3. The refrigeration-heating type lunch box according to claim 1, wherein: the lunch box is characterized in that a switch (5) is arranged at the front end of the outer side of the lunch box body (4), a conductive port (7) is formed in the lower end of the right side of the lunch box body (4), and a soft rubber bulge (6) is arranged at the bottom end of the lunch box body (4).

4. The refrigeration-heating type lunch box according to claim 1, wherein: and a heat insulation plate (15) is arranged between the supporting piece (12) and the heating component (14).

5. The refrigeration-heating type lunch box according to claim 4, wherein: heating assembly (14) are including closing plug (21), glass pipe (18) and arc bottom (17), and closing plug (21) installation is fixed in glass pipe (18) left side, has seted up the venthole on closing plug (21), and arc bottom (17) set up on glass pipe (18) right side.

6. The refrigerating and heating type lunch box as claimed in claim 5, wherein: the glass tube (18) is internally provided with a metal connecting sheet (19) in a penetrating manner, the right end of the metal connecting sheet (19) is connected with a metal wrapping sheet (16), the metal wrapping sheet (16) is communicated with the conductive port (7), and metal heating sheets (20) are arranged on the metal connecting sheet (19) at intervals.