CN201349988Y - Portable heat preservation lunch box - Google Patents

Portable heat preservation lunch box Download PDF

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Publication number
CN201349988Y
CN201349988Y CNU2008202086774U CN200820208677U CN201349988Y CN 201349988 Y CN201349988 Y CN 201349988Y CN U2008202086774 U CNU2008202086774 U CN U2008202086774U CN 200820208677 U CN200820208677 U CN 200820208677U CN 201349988 Y CN201349988 Y CN 201349988Y
Authority
CN
China
Prior art keywords
heating wire
bag
lunch box
heat preservation
electric heating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2008202086774U
Other languages
Chinese (zh)
Inventor
陈国芳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Zhabei District Middle and Primary School Science and Technology Guide Station
Original Assignee
Shanghai Zhabei District Middle and Primary School Science and Technology Guide Station
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Zhabei District Middle and Primary School Science and Technology Guide Station filed Critical Shanghai Zhabei District Middle and Primary School Science and Technology Guide Station
Priority to CNU2008202086774U priority Critical patent/CN201349988Y/en
Application granted granted Critical
Publication of CN201349988Y publication Critical patent/CN201349988Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a portable heat preservation lunch box, which comprises a main body, wherein the main body comprises an inner container, and an electric heating wire is arranged outside the inner container, and a heat screening layer is arranged outside the electric heating wire; the electric heating wire is connected with a charger through a conducting wire. The portable heat preservation lunch box has the advantages that the electric heating wire is heated by the power source, and the electric heating wire transfers the heat to the inner container which has heat transferring effect so as to continuously heat the meals. The portable heat preservation lunch box has simple structure and low cost, and is very practical.

Description

Portable type heat insulating meal case
Technical field:
The utility model relates to a kind of meal case, and is particularly related to a kind of portable type heat insulating meal case with heat insulation function.
Background technology:
With the present meal case dish of filling a bowl with rice, time one length will cool off, and eats the health that cool food is unfavorable for the people.Though someone has invented with thermos flask and has removed the dish of filling a bowl with rice, but the temperature retention time of thermos flask still falls short of, and along with the prolongation of time, the temperature of food can only be more and more lower, its heat insulation effect is not very desirable, utilizes the thermos flask dish people that fill a bowl with rice still to eat less than temperature very very tasty food.
In sum, we need improve existing thermos flask, to address the above problem.
The utility model content:
The purpose of this utility model is to provide a kind of portable type heat insulating meal case, utilizes power supply that heating wire is heated, and heating wire has the inner bag of heat transfer effect to heat transferred, thereby realizes the heating to food.
To achieve these goals, the technical solution of the utility model is:
Portable type heat insulating meal case comprises body, it is characterized in that, described body comprises an inner bag, and described inner bag is provided with a heating wire outward, and described heating wire is provided with a thermal insulation layer outward; Described heating wire links to each other with a charger by lead.
Described inner bag is an inner bag of being made by Heat Conduction Material.
Described thermal insulation layer be one by insulation material make shell.
Described thermal insulation layer is a plastic casing.
Beneficial effect: the utility model portable type heat insulating meal case, utilize power supply that heating wire is heated, heating wire has the inner bag of heat transfer effect to heat transferred, thereby realizes the lasting heating to food; The utility model is simple in structure, and cost is low, and is very practical.
Description of drawings:
Further specify the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is the surface structure schematic diagram of the utility model portable type heat insulating meal case.
The specific embodiment:
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
With reference to figure 1, comprise among the figure: inner bag 1, heating wire 2, thermal insulation layer 3, lead 4, switch 5, power supply 6, meal case body 7, case lid 71, inner bag 1 is to be made by the material of good heat conductivity, inner bag 1 outer bread one deck heating wire 2, heating wire 2 links to each other with a power supply 6 by lead 4, power supply 6 can be battery, also can be charging level.
Also be provided with a switch 5 on the lead 4, be used for controlling whether food is heated.Meal case body 7 is provided with a case lid 71, is convenient to the food of filling a bowl with rice.
In use, earlier food is contained into meal case body 7, open switch 5 then, just can realize lasting heating food in the inner bag 1.The utility model is simple in structure, and cost is low, and is very practical.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (4)

1, portable type heat insulating meal case comprises body, it is characterized in that, described body comprises an inner bag, and described inner bag is provided with a heating wire outward, and described heating wire is provided with a thermal insulation layer outward; Described heating wire links to each other with a charger by lead.
2, portable type heat insulating meal case according to claim 1 is characterized in that, described inner bag is an inner bag of being made by Heat Conduction Material.
3, portable type heat insulating meal case according to claim 1 is characterized in that, described thermal insulation layer be one by insulation material make shell.
4, portable type heat insulating meal case according to claim 1 is characterized in that, described thermal insulation layer is a plastic casing.
CNU2008202086774U 2008-12-31 2008-12-31 Portable heat preservation lunch box Expired - Fee Related CN201349988Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008202086774U CN201349988Y (en) 2008-12-31 2008-12-31 Portable heat preservation lunch box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008202086774U CN201349988Y (en) 2008-12-31 2008-12-31 Portable heat preservation lunch box

Publications (1)

Publication Number Publication Date
CN201349988Y true CN201349988Y (en) 2009-11-25

Family

ID=41373380

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008202086774U Expired - Fee Related CN201349988Y (en) 2008-12-31 2008-12-31 Portable heat preservation lunch box

Country Status (1)

Country Link
CN (1) CN201349988Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104433850A (en) * 2014-12-26 2015-03-25 贵阳康祥浩科技有限公司 Lunch box heat preservation sleeve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104433850A (en) * 2014-12-26 2015-03-25 贵阳康祥浩科技有限公司 Lunch box heat preservation sleeve

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20091125

Termination date: 20101231