CN210747751U

CN210747751U - Self-heating lunch box

Info

Publication number: CN210747751U
Application number: CN201921227025.XU
Authority: CN
Inventors: 杨华; 赵保文; 郭文琪
Original assignee: Shanghai Chunmi Electronics Technology Co Ltd
Current assignee: Chunmi Technology Shanghai Co Ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-06-16
Anticipated expiration: 2029-07-31

Abstract

The utility model provides a self-heating lunch box, includes outer box, interior box, lid, heating water drum and heating package, and wherein outer box constitutes the exterior structure of above-mentioned self-heating lunch box, and interior box setting is in outer box and splendid attire food, and the lid covers outer box opening, forms the heating space between outer box and the interior box, and in heating water drum and the heating package were arranged in the heating space, set up between outer box and the interior box and lead the steam groove, lead the steam groove with heating space and interior box inner space intercommunication. The heating bag and the heating water bag corresponding to the water amount are preset in the heating space, the easy-to-tear structure on the heating water bag is separated directly by operating the handle during use, water flows out of the bag body and reacts with the heating bag, and the excessive or insufficient water amount is avoided. In the heating process, steam is guided the steam groove by in the heating space and is guided to interior box, heats the food in the box in to through steam, and steam and food direct contact's heating efficiency will be far higher than steam isolated heating, and rate of heating is faster, more even, and the taste after the food heating is also better.

Description

Self-heating lunch box

Technical Field

The utility model relates to the technical field of tableware, a self-heating lunch box specifically says so.

Background

At present, outdoor activities such as traveling, camping and the like are increased day by day, and eating becomes a big problem. Many people can bring simple and easy convenience food by oneself when outdoor activities, and convenience food mostly need not the heating and directly eat, but cold food can bring not good influence to the stomach, so self-heating food and the spontaneous heating lunch-box that corresponds to this demand come into production at the same time.

The current self-heating lunch box generally includes outer box, with the interior box of outer box looks adaptation and with the lid of the oral area looks adaptation of outer box, interior box is arranged in outer box, and with outer box within a definite time and form the space of holding heating package, the package that generates heat is the ordinary content reactant of lime, through adding water reaction and exothermic food heating that comes to hold in interior box.

However, the conventional self-heating lunch box has the following problems: the water adding amount and the reaction temperature cannot be well controlled, and when water is heated by mistake, the heating bag can be exploded and scalded due to rapid reaction; in order to avoid steam leakage in the food heating process and improve the heating efficiency and the heating effect of food, matched buckles are arranged at the edges of an outer box and a box cover of the conventional self-heating lunch box, but the box cover is difficult to open after heating expansion; in addition, the existing self-heating lunch box is generally provided with an opening part at the edge of a box cover, when food is heated, the temperature of steam in the box can be close to 100 ℃, and when the opening part is lifted, a large amount of steam is gushed out to scald a user easily; in the current spontaneous heating lunch-box, steam is difficult to steady comprehensive space from holding the heating package and enters into interior box, and the heating efficiency and the heating effect of food are all relatively poor.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a spontaneous heating lunch-box.

The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be:

the utility model discloses a self-heating lunch box, including outer box, interior box, lid, heating water drum and heating package, wherein outer box constitutes the exterior structure of above-mentioned self-heating lunch box, and interior box setting is in outer box and splendid attire food, and the lid covers outer box opening, forms heating space between outer box and the interior box, and in heating water drum and the heating package were arranged heating space in, set up between outer box and the interior box and lead the steam groove, lead the steam groove and will heat space and interior box inner space intercommunication.

The utility model discloses can also adopt following technical measure:

the steam guide grooves are distributed on the outer side wall of the inner box, a gap is reserved between the inner box and the box cover, and the heating space and the inner space of the inner box are communicated with the gap through the steam guide grooves.

The inner side wall of the outer box is in closed fit with the outer side wall of the inner box, a heating space is formed between the inner bottom surface of the outer box and the outer bottom surface of the inner box, and the gas passages communicated with the heating space are only steam guide grooves.

The central position of the box cover is provided with a steam hole.

The heating water bag comprises a bag body, a connecting wire and a handle, water is contained in the bag body, the bag body is provided with an easy-tearing structure, the two ends of the connecting wire are respectively connected with the easy-tearing structure and the handle, and the handle is arranged outside the outer box.

The steam guide groove is arranged around the inner box.

The steam guide grooves are distributed on the inner side wall of the outer box, a gap is reserved between the inner box and the box cover, and the heating space and the inner space of the inner box are communicated through the steam guide grooves and the gap.

The utility model has the advantages and positive effects that:

the utility model discloses an among the spontaneous heating lunch-box, predetermine the heating water drum that generates heat the package and correspond the water yield in heating space, directly make the easy structure separation that tears on the heating water drum through the operation handle during the use, water flows and generates heat the package and reacts in by the inclusion, avoids the water yield too much or too little. In the heating process, steam is guided the steam groove by in the heating space and is guided to interior box, heats the food in the box in to through steam, and steam and food direct contact's heating efficiency will be far higher than steam isolated heating, and rate of heating is faster, more even, and the taste after the food heating is also better.

Drawings

FIG. 1 is a schematic view of the external structure of the self-heating lunch box of the present invention;

FIG. 2 is a schematic structural view of the self-heating lunch box of the present invention after the box cover is separated;

FIG. 3 is a schematic view of the self-heating lunch box according to the present invention;

fig. 4 is a schematic view of the contents in the heating space of the self-heating lunch box of the present invention.

Detailed Description

The technical solution of the present invention is explained in detail by the accompanying drawings and the specific embodiments.

As shown in fig. 1 to 4, the utility model discloses a self-heating lunch box, including outer box 100, interior box 200, lid 300, heating water drum 400 and package 500 generates heat, wherein outer box constitutes the exterior structure of above-mentioned self-heating lunch box, interior box setting is in outer box and splendid attire food, the lid covers and seals outer box upper end opening, form heating space between outer box and the interior box, heating water drum and the package that generates heat are arranged in heating space, set up between outer box and the interior box and lead steam groove 220, lead steam groove and will heat space and interior box inner space intercommunication.

In order to improve the heating efficiency, the steam guide grooves can be a plurality of steam guide grooves, the steam guide grooves are a part of the inner box and are directly distributed on the outer side wall of the inner box, a gap is reserved between the inner box and the box cover, and the heating space and the inner space of the inner box are communicated through the steam guide grooves and the gap. Airtight cooperation between outer box inside wall and interior box outside wall, can adopt the structure of blocking each other between interior box and the outer box, box clamp structure 210 and outer box clamp structure 110 mutually fixed cooperation in the picture, also can adopt other difficult structure of separating, form heating space between bottom surface and the outer bottom surface of interior box in the outer box, the gas passage who is linked together with heating space only is each lead the steam groove, the heating package and the water reaction in the heating space generate heat, the steam of high fever is in a plurality of lead steam grooves, by supreme clearance between interior box and the lid of flowing through down and entering interior box, carry out the even heating to the food in the interior box.

The steam hole 310 is formed in the center of the box cover 300 to allow steam to be discharged, thereby preventing explosion due to excessive steam. The steam hole 310 is arranged at the center of the box cover to allow steam to be discharged at the center of the inner box 200, thereby maximizing the use of heat of the steam.

The box cover handle 320 is arranged at the upper end of the box cover 300, and due to the fact that the heated box cover 300 is very hot, scalding can be effectively avoided by using the box cover handle 320 to open the box cover.

The heating water bag comprises a bag body, a connecting line 410 and a handle 420, water is contained in the bag body, a structure 430 easy to tear is arranged on the bag body, the connecting line and the handle are connected at two ends of the connecting line respectively, the connecting line 410 penetrates through the inner box wiring channel 230 and the outer box wiring channel 130, and therefore the handle is arranged outside the outer box 100, and the use operation is convenient to pull.

Quicklime and other similar reaction materials are contained in the heating bag 500, and the coating structure of the heating bag prevents the contents from being contained

Similarly, the inner box can be arranged on the outer box instead of the steam guide groove, the steam guide grooves are distributed on the inner side wall of the outer box, a gap is reserved between the inner box and the box cover, and the heating space is communicated with the inner space of the inner box through the steam guide groove and the gap.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, but the present invention is not limited to the above embodiments, and any person skilled in the art can make some modifications or changes to equivalent embodiments by using the disclosed technical content without departing from the technical scope of the present invention.

Claims

1. The utility model provides a self-heating lunch box, includes outer box, interior box, lid, heating water drum and the package that generates heat, and wherein outer box constitutes the exterior structure of above-mentioned self-heating lunch box, and interior box setting is in outer box and splendid attire food, and the lid covers outer box opening, forms heating space between outer box and the interior box, and its characterized in that is arranged in heating space with the package that generates heat to the heating water drum: a steam guide groove is arranged between the outer box and the inner box and is used for communicating the heating space with the inner space of the inner box.

2. The self-heating lunch box according to claim 1, characterized in that: the steam guide grooves are distributed on the outer side wall of the inner box, a gap is reserved between the inner box and the box cover, and the heating space and the inner space of the inner box are communicated with the gap through the steam guide grooves.

3. The self-heating lunch box according to claim 1 or 2, characterized in that: the inner side wall of the outer box is in closed fit with the outer side wall of the inner box, a heating space is formed between the inner bottom surface of the outer box and the outer bottom surface of the inner box, and the gas passages communicated with the heating space are only steam guide grooves.

4. The self-heating lunch box according to claim 3, wherein: the central position of the box cover is provided with a steam hole.

5. The self-heating lunch box according to claim 4, wherein: the heating water drum comprises a bag body, a connecting wire and a handle, water is contained in the bag body, the bag body is provided with an easy-tearing structure, the two ends of the connecting wire are respectively connected with the easy-tearing structure and the handle, and the handle is arranged outside the outer box.

6. The self-heating lunch box according to claim 5, wherein: the steam guide groove is arranged around the inner box.

7. The self-heating lunch box according to claim 1, characterized in that: the steam guide grooves are distributed on the inner side wall of the outer box, a gap is reserved between the inner box and the box cover, and the heating space and the inner space of the inner box are communicated with the gap through the steam guide grooves.