CN202714364U - Heating structure of electric heat lunch box - Google Patents
Heating structure of electric heat lunch box Download PDFInfo
- Publication number
- CN202714364U CN202714364U CN 201220421666 CN201220421666U CN202714364U CN 202714364 U CN202714364 U CN 202714364U CN 201220421666 CN201220421666 CN 201220421666 CN 201220421666 U CN201220421666 U CN 201220421666U CN 202714364 U CN202714364 U CN 202714364U
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- heat sink
- heater
- perforate
- electric heating
- mess tin
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Abstract
The utility model relates to the technical field of electric heat lunch boxes, in particular to a heating structure of an electric heat lunch box. The heating structure of the electric heat lunch box comprises a heat sink plate and a heating body, and is characterized in that an opening hole is arranged in the surface of the heat sink plate corresponding to one side of the heating body, an upside down edge is arranged on one side edge of the opening hole, the heating body is arranged on the bottom face of the heat sink plate, the upside down edge bends towards the direction of the heating body and tightly is posted on the bottom of the heating body, and the heating body is tightly clamped on the bottom face of the heat sink plate by the upside down edge. The heating structure of the electric heat lunch box is provided with the opening hole arranged on the heat sink plate corresponding to the side edge of the heating body, and remains one side without being cut off in a hole punching process to form the upside down edge, and then the heating body is tightly clamped on the bottom face of the heat sink plate through the upside down edge, and therefore the heating structure of the electric heat lunch box is convenient to install and low in cost. And meanwhile, due to the fact that the heating body contacts with the heat sink body directly, heat transferring resistance can be avoided, and heat efficiency can be improved.
Description
Technical field
The utility model relates to the electric heating mess tin technical field, especially is the electric heating mess tin heating arrangement.
Background technology
China Patent No. CN201120345186.6 discloses a kind of electric heating mess tin on May 2nd, 2012, comprises cover of the lunch box, lunch box body and shell, and lunch box body and shell are split-type structural.Also be provided with an inner casing between lunch box body and the shell.Because the caloric value of electric heating mess tin is less, mainly heats potluck, be provided with an inner casing in therefore, be used for heat insulationly, obviously effect is little, and increases cost.In addition, the heater of this kind of electric heating mess tin generally is fixed on heat sink bottom by the form of pasting, heat sink is delivered to the lunch box body with heat and realizes heating, this heater mounting means comparatively bothers, and needs to wait the band adhesive dry and hard after the installation, and, adhesive itself is chemical substance, environment is had certain pollution, and in addition, employed adhesive cost is higher.
The utility model content
The purpose of this utility model is to overcome the deficiency that above-mentioned prior art exists, and provides a kind of simple and reasonable for structure, electric heating mess tin heating arrangement easy for installation, that the thermal efficiency is high, cost is low.
The purpose of this utility model is achieved in that
The electric heating mess tin heating arrangement, comprise heat sink and heater, it is characterized in that, corresponding heater position, described heat sink surface is provided with perforate, perforate one lateral edges is provided with lower flange, heater is arranged on the heat sink bottom surface, and lower flange bends and is adjacent in the heater bottom to the heater direction, and heater is clamped in the heat sink bottom surface by lower flange.This kind of electric heating mess tin heating arrangement is provided with perforate in the corresponding heater lateral location of heat sink, and do not stay during punching and cut off, with the formation flange, then utilizes this flange that heater is clamped in the heat sink bottom surface on one side, and it is easy for installation, cost is low; Simultaneously, because heater directly contacts with the heat sink bottom surface, avoid the trap heat transmission, improve the thermal efficiency.
The purpose of this utility model can also adopt following technical measures to solve:
As the first scheme more specifically, described heater is provided with two, and the left and right sides of the corresponding every heater of heat sink offers described perforate, and perforate is provided with described lower flange near the heater place.
Described heater is the PCT ceramic heating element, and the PCT ceramic heating element is provided with battery lead plate in both sides up and down, and battery lead plate and PCT ceramic heating element overcoat have insulation sleeve.
Described electric heating mess tin comprises shell, top cover and box body, and heat sink is fixedly installed on the shell inner bottom part, and the heat sink top is placed in the enclosure and be undertaken on to box body, and top cover is arranged on cover top portion.
The corresponding box body bottom margin of described heat sink periphery is provided with flange upwards, makes the heat sink heat be radiated the box body bottom than the concentrated area.
Described heat sink surface also is provided with a plurality of heavy stands that protrude to bottom direction, and the heavy stand center is provided with connecting hole, and the corresponding described heavy stand of the shell inner bottom part of electric heating mess tin is provided with joint pin, and joint pin and connecting hole join.Form heavy stand by punching press, can improve the rigidity of heat sink link position.
As first scheme more specifically, described heat sink surface also is provided with the second perforate, and the second perforate one lateral edges is provided with for the second time flange that clamps the heater conductor wire.Certainly, when clamping the heater conductor wire, conductor wire is arranged with collet outward.
As the third scheme more specifically, described heat sink surface also is provided with the second perforate, and the second perforate one lateral edges is provided with for the second time flange that clamps temperature controller.
As the 4th kind of scheme more specifically, described heat sink surface also is provided with the second perforate, and the second perforate one lateral edges is provided with for the second time flange that clamps fuse.
The beneficial effects of the utility model are as follows:
(1) this kind of electric heating mess tin heating arrangement is provided with perforate in the corresponding heater lateral location of heat sink, and do not stay during punching and cut off, with the formation flange, then utilizes this flange that heater is clamped in the heat sink bottom surface on one side, and it is easy for installation, cost is low; Simultaneously, because heater directly contacts with the heat sink bottom surface, avoid the trap heat transmission, improve the thermal efficiency;
(2) heater is the PCT ceramic heating element, and it has the characteristic that wiring is simple, power is lower;
(3) this kind of electric heating mess tin is also with reference to the frame mode that clamps heater, be provided with the second perforate, the second perforate one lateral edges is provided with for the second time flange that clamps heater conductor wire or temperature controller or fuse, thereby make the conductor wire ordered arrangement, perhaps, temperature controller can be fixed on the heat sink bottom very easily.
Description of drawings
Fig. 1 is an embodiment decomposition texture schematic diagram of the present utility model.
Fig. 2 is that Fig. 1 assembles rear structural representation.
Fig. 3 is heat sink one angle structural representation.
Fig. 4 is another angle structural representation of heat sink.
Fig. 5 is heat sink and heater syndeton schematic diagram.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
See that Fig. 1 is to shown in Figure 5, the electric heating mess tin heating arrangement, comprise heat sink 2 and heater, one side of the corresponding at least heater in described heat sink 2 surfaces is provided with perforate 21, perforate 21 1 lateral edges are provided with lower flange 211, heater is arranged on heat sink 2 bottom surfaces, and lower flange 211 bends and is adjacent in the heater bottom to the heater direction, and heater is clamped in heat sink 2 bottom surfaces by lower flange.
Described heater is provided with two, and the left and right sides of heat sink 2 corresponding every heaters offers described perforate 21, and perforate 21 is provided with described lower flange 211 near the heater place.
Described heater is PCT ceramic heating element 5, and the PCT ceramic heating element is provided with battery lead plate 6,7 in both sides about in the of 5, battery lead plate 6,7 and PCT ceramic heating element 5 overcoats insulation sleeve 8 is arranged.
Described heat sink 2 surfaces also are provided with the second perforate 23, the second perforates 23 1 lateral edges and are provided with for the second time flange 231 that clamps heater conductor wire or temperature controller or fuse.
Described electric heating mess tin comprises shell 1, top cover 4 and box body 3, and heat sink 2 is fixedly installed on shell 1 inner bottom part, and box body 3 is placed in the shell 1 and is undertaken on heat sink 2 tops, and top cover 4 is arranged on shell 1 top.
Described heat sink 2 peripheral corresponding box body 3 bottom margins are provided with flange 22 upwards.
Described heat sink 2 surfaces also are provided with a plurality of heavy stands 24 that protrude to bottom direction, and heavy stand 24 centers are provided with connecting hole 241, and the corresponding described heavy stand 24 of shell 1 inner bottom part of electric heating mess tin is provided with joint pin, and joint pin and connecting hole 241 join.
Claims (9)
1. electric heating mess tin heating arrangement, comprise heat sink (2) and heater, it is characterized in that, the surperficial corresponding heater of described heat sink (2) position is provided with perforate (21), perforate (21) one lateral edges are provided with lower flange (211), heater is arranged on heat sink (2) bottom surface, and lower flange (211) bends and is adjacent in the heater bottom to the heater direction, and heater is clamped in heat sink (2) bottom surface by lower flange.
2. described electric heating mess tin heating arrangement according to claim 1, it is characterized in that, described heater is provided with two, and the left and right sides of the corresponding every heater of heat sink (2) offers described perforate (21), and perforate (21) is provided with described lower flange (211) near the heater place.
3. described electric heating mess tin heating arrangement according to claim 1, it is characterized in that, described heater is PCT ceramic heating element (5), and PCT ceramic heating element (5) up and down both sides is provided with battery lead plate (6,7), and battery lead plate (6,7) and PCT ceramic heating element (5) overcoat have insulation sleeve (8).
4. described electric heating mess tin heating arrangement according to claim 1 is characterized in that, described heat sink (2) surface also is provided with the second perforate (23), and the second perforate (23) one lateral edges are provided with for the second time flange (231) that clamps the heater conductor wire.
5. described electric heating mess tin heating arrangement according to claim 1 is characterized in that, described heat sink (2) surface also is provided with the second perforate (23), and the second perforate (23) one lateral edges are provided with for the second time flange (231) that clamps temperature controller.
6. described electric heating mess tin heating arrangement according to claim 1 is characterized in that, described heat sink (2) surface also is provided with the second perforate (23), and the second perforate (23) one lateral edges are provided with for the second time flange (231) that clamps fuse.
7. described electric heating mess tin heating arrangement according to claim 1, it is characterized in that, described electric heating mess tin comprises shell (1), top cover (4) and box body (3), heat sink (2) is fixedly installed on shell (1) inner bottom part, box body (3) is placed in the shell (1) and is undertaken on heat sink (2) top, and top cover (4) is arranged on shell (1) top.
8. described electric heating mess tin heating arrangement according to claim 7 is characterized in that, the peripheral corresponding box body of described heat sink (2) (3) bottom margin is provided with flange (22) upwards.
9. described electric heating mess tin heating arrangement according to claim 7, it is characterized in that, described heat sink (2) surface also is provided with a plurality of heavy stands (24) that protrude to bottom direction, heavy stand (24) center is provided with connecting hole (241), the corresponding described heavy stand of the shell of electric heating mess tin (1) inner bottom part (24) is provided with joint pin, and joint pin and connecting hole (241) join.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220421666 CN202714364U (en) | 2012-08-24 | 2012-08-24 | Heating structure of electric heat lunch box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220421666 CN202714364U (en) | 2012-08-24 | 2012-08-24 | Heating structure of electric heat lunch box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202714364U true CN202714364U (en) | 2013-02-06 |
Family
ID=47616219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220421666 Expired - Fee Related CN202714364U (en) | 2012-08-24 | 2012-08-24 | Heating structure of electric heat lunch box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202714364U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015042992A1 (en) * | 2013-09-29 | 2015-04-02 | 刘骏涛 | Self-heated lunch box |
| WO2015043001A1 (en) * | 2013-09-29 | 2015-04-02 | 刘骏涛 | Self-heated lunch box |
-
2012
- 2012-08-24 CN CN 201220421666 patent/CN202714364U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015042992A1 (en) * | 2013-09-29 | 2015-04-02 | 刘骏涛 | Self-heated lunch box |
| WO2015043001A1 (en) * | 2013-09-29 | 2015-04-02 | 刘骏涛 | Self-heated lunch box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20180824 |