CN103054300A - Electrically-heated heat-retaining lunch box - Google Patents
Electrically-heated heat-retaining lunch box Download PDFInfo
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- CN103054300A CN103054300A CN2013100343967A CN201310034396A CN103054300A CN 103054300 A CN103054300 A CN 103054300A CN 2013100343967 A CN2013100343967 A CN 2013100343967A CN 201310034396 A CN201310034396 A CN 201310034396A CN 103054300 A CN103054300 A CN 103054300A
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- Prior art keywords
- shaped
- box
- aluminium courage
- inner bag
- shell
- Prior art date
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 66
- 238000010438 heat treatment Methods 0.000 claims abstract description 41
- 238000005485 electric heating Methods 0.000 claims abstract description 19
- 230000002093 peripheral Effects 0.000 claims abstract description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 62
- 239000004411 aluminium Substances 0.000 claims description 62
- 230000005611 electricity Effects 0.000 claims description 25
- 238000009413 insulation Methods 0.000 claims description 21
- 239000011324 bead Substances 0.000 claims description 15
- 210000003932 Urinary Bladder Anatomy 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 230000001629 suppression Effects 0.000 claims description 3
- 230000000875 corresponding Effects 0.000 claims 1
- 235000013305 food Nutrition 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 3
- 235000012054 meals Nutrition 0.000 abstract description 2
- 230000014759 maintenance of location Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002045 lasting Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 210000000887 Face Anatomy 0.000 description 1
- 210000000232 Gallbladder Anatomy 0.000 description 1
- 150000001398 aluminium Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001149 thermolysis Methods 0.000 description 1
- 230000001052 transient Effects 0.000 description 1
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Abstract
The invention discloses an electrically-heated heat-retaining lunch box which comprises a box shell, wherein the box shell is provided with an upper open box cavity, a cavity opening of the box cavity of the box shell is fixedly provided with a heat-insulating ring, an aluminum core is nested in the box cavity of the box shell through a heat-insulating ring positioning seat, a heat-retaining cavity is formed among the peripheral surface and bottom surface of the aluminum core and the circumferential wall and bottom wall of the inner cavity of the box cavity, a liner is suspended and hung in the aluminum core, a heating cavity wrapping the periphery of the liner and the bottom of the liner and taking air as a heat transfer medium is formed between the liner and the aluminum core, the lower part of the aluminum core is sleeved with an electric heating ring, the electric heating ring is electrically connected with a kick temperature controller for adjusting the heating temperature of the electric heating ring, the liner is equipped with a liner cover, the box shell is equipped with a box lid for hermetically covering the liner, and the box shell is hinged and equipped with a handle. The lunch box disclosed by the invention is elegant in product appearance, fashionable in style and convenient to carry; and the lunch box keeps food at constant temperature, so that a heat-retaining effect is achieved, therefore, the lunch box is particularly suitable to be used by people who need to temporarily retain heat of meals.
Description
Technical field
The present invention relates to the technology of incubation chamber, particularly a kind of incubation chamber for meal insulation, specifically a kind of electric heating lunch incubation chamber.
Background technology
In order to keep the temperature of lunch food, people put into lunch box with burned food usually, utilize the heat-insulating property of lunch box at present, keep food not cool.But common lunch box temperature retention time is relatively short, is difficult to ensure more in the winter time that particularly the card food is not cool, and if people have eaten relatively cool food, just might be sick, affect the healthy of people.The prior art Patent number is that 91230583.5 Chinese invention patent discloses a kind of electric heat thermal insulation box, this electric heat thermal insulation box is comprised of box body and lid, its box body comprises shell and inner casing, and also accompany heat-insulation layer between shell and the inner casing, the bottom surface of inner casing is affixed with heating through insulating trip, and the bottom of shell is provided with supply socket.Electric heating is adopted in this invention, thereby can be for a long time and keep well food not cool, and it also has characteristics easy to carry, simple to operate simultaneously.But because this invention structure is too simple, temperature is difficult for keeping constant, simultaneously heating directly closely pastes with inner casing again and joins, and also easily causes inner shell bottom overheated, make in the inner casing about temperature unbalanced, therefore the phenomenon such as cause being burned can not finely satisfy people's needs.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned prior art present situation, and provides novel structure attractive in appearance, and the round and smooth smoothness of lines is simple to operate, a kind of electric heating lunch incubation chamber easy to use and the lasting insulation of sealing take air as the heat-conduction medium electrical heating.
The present invention solves the problems of the technologies described above the technical scheme that adopts: a kind of electric heating lunch incubation chamber, comprise the box housing with upper shed box chamber, the box chamber accent of box housing is installed with the insulating collar that consists of box housing port trim ring, and through insulating collar location cover for seat the aluminium courage is arranged in the box chamber of this box housing, be formed with heat insulation cavity between the inner chamber perisporium in the aluminium courage outer peripheral face of aluminium courage and aluminium courage bottom surface and box chamber and bottom wall of inner cavity, hang in the aluminium courage and be arranged with inner bag, be formed with between this inner bag and aluminium courage and wrap around the inner bag and the heated chamber take air as heat-conduction medium bottom the inner bag, aluminium courage bottom overcoat pastes to join electricity heating circle is installed, this electricity heating circle is electrically connected with the Kick type temperature controller of auto-control electricity heating circle heating-up temperature, inner bag is equipped with the inner bladder cover of insulation, and the box housing is fitted with the lid that sealing covers inner bag, the hinged carrying handle that is fitted with of box housing.
For optimizing technique scheme, Adopts measure also comprises:
Above-mentioned box housing comprises base and fixes the equipped shell that surrounds box housing side face with base, the outer casing bottom compacting is formed with the circular orientation concave station, base is shaped with positioning concave stations and embeds the positioning boss with flat surface that card is joined, the radians such as positioning concave stations are shaped with three pilot holes, correspondingly with pilot hole on the flat surface of positioning boss be shaped with three connecting holes, shell and base pass pilot hole and connecting hole is connected to a fixed successively through screw.
Above-mentioned Kick type temperature controller is installed on the flat surface of base positioning boss, and be shaped with respectively heat radiation strip window and fairlead on this flat surface, Kick type temperature controller connects the power line that promising electricity heating circle provides electric power, this power line is withheld from fairlead through cableties and is drawn, and the box housing is equipped with the cold folder cap that connection is used.
Relatively have the power supply indication window near the below on the above-mentioned shell side face, this power supply indication window is fitted with lampshade, be installed with the LED power supply indicator in the lampshade, and relatively be shaped with rotary shaft hole near the top on the shell side face, carrying handle is shaped with rotary shaft hole and snaps in the prominent button of the rotating shaft that is hinged and connected.
The above-mentioned first-class radian of aluminium courage outer peripheral face is installed with three heating coil supports, this heating support is contained on the aluminium courage through the blind rivet riveting, heating support upset inflection is shaped with the support draw-in groove, electricity generates heat to enclosing to be clamped in this support draw-in groove and is set with mutually with the aluminium courage, and electricity heating circle is with the annular structure of the non-closed circle of a breach.
Above-mentioned insulating collar is shaped with the annulus boss with shell upper surface compression fit, and this annulus boss is shaped with the lower annular bead of downward-extension and with annular bead on the spiral fluted, the end of lower annular bead is shaped with anti-dropping lock catch, shell upper end inner peripheral surface is shaped with the shell locked groove that closes with anti-dropping lock catch phase kayser, and upper annular bead is shaped with the positioning concave ring that cooperates with the phase fastening position, aluminium courage edge of aluminium courage abduction upset.
Above-mentioned aluminium courage bottom center is shaped with fixedly lockhole, and the flat surface center of base positioning boss is shaped with the location lockhole, and the aluminium courage adopts machine screw mech scr to pass fixedly lockhole and base and is strained and fixed and is integral.
Above-mentioned inner bag is shaped with inner bag along the limit, and gallbladder channel inner bag is sleeved in the aluminium courage along the aluminium courage edge brace type suspension of limit and aluminium courage in this, and is suppressed with deep-slotted chip breaker in the inner bag upper edge hole, and inner bladder cover is shaped with deep-slotted chip breaker and slips into the arc flange collar that card is joined.
Above-mentioned lid is shaped with the spiral salient suitable with the insulating collar helicla flute, and the inner surface of this lid is shaped with the trim ring with the interference fit of inner bladder cover phase, and the edge mouth of lid compresses with the upper surface of insulating collar annulus boss and matches.
Be shaped with the swing handle groove that three arcs make things convenient for hand-screw on the end face of above-mentioned lid, be shaped with the convenient handle that extracts on the inner bladder cover, the cross section of box housing is annular.
Compared with prior art, the box chamber accent of box housing of the present invention is equipped with insulating collar and is set with the aluminium courage through insulating collar, outstanding cover has inner bag in this aluminium courage, be formed with between aluminium courage and box housing and can prevent that heat is to the heat insulation cavity of external diffusion, be formed with simultaneously the heated chamber by air transmitted heat energy between inner bag and aluminium courage, thereby the temperature equalization in this product inner bag is good, can effectively avoid the up and down temperature inequality phenomenon that causes over-heat at the bottom to be burned of inner bag.The present invention is fitted with the temperature that Kick type temperature controller can automatically be controlled inner bag, thereby save worry and laborsaving, inner bag also is equipped with inner bladder cover, the box housing is fitted with the lid that sealing covers inner bag, therefore the sealing thermal insulation performance of this product is better, can keep for a long time food not cool, keep the steady temperature of food, carrying handle is installed on the box housing can be convenient for people to carry better.Advantage of the present invention is: product is elegant in appearance, and is fashionable, easy to carry, and temperature retention time is long, food can be remained on stationary temperature, and being particularly suitable for need to be with the edible crowd of the temporary transient insulation of food.
Description of drawings
Fig. 1 is the stereo decomposing structural representation of the embodiment of the invention;
Fig. 2 is three-dimensional assembling structure schematic diagram of the present invention;
Fig. 3 is the cross-sectional view of facing of the present invention;
Fig. 4 is that cross-sectional view is looked on the right side of the present invention;
Fig. 5 is plan structure schematic diagram of the present invention;
Fig. 6 is the structural representation of looking up of the present invention;
Fig. 7 is the cross-sectional view of insulating collar among Fig. 4.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail.
Fig. 1 is to Figure 7 shows that structural representation of the present invention.
Reference numeral wherein is: heat insulation cavity A, lampshade B, power supply indicator B1, heated chamber D, cold folder cap K, box housing 1, base 11, positioning boss 11a, connecting hole 11b, heat radiation strip window 11c, shell 12, positioning concave stations 12a, shell locked groove 12b, insulating collar 2, annulus boss 21, lower annular bead 22, anti-dropping lock catch 22a, upper annular bead 23, helicla flute 23a, positioning concave ring 23b, aluminium courage 3, fixedly lockhole 31, inner bag 4, deep-slotted chip breaker 4a, inner bag is along limit 4b, inner bladder cover 41, arc flange collar 41a, handle 41b, electricity heating circle 5, breach 5a, heating coil support 51, support draw-in groove 51a, blind rivet 52, Kick type temperature controller 6, lid 7, spiral salient 7a, swing handle groove 7b, trim ring 71, carrying handle 8, the rotating shaft button 81 of dashing forward, power line 9, cableties 91.
Shown in Fig. 1 to 7, a kind of electric heating lunch incubation chamber of the present invention, comprise the box housing 1 with upper shed box chamber, wherein: the box chamber accent of box housing 1 is installed with the insulating collar 2 that consists of box housing port trim ring, and through insulating collar 2 location cover for seat aluminium courage 3 is arranged in the box chamber of this box housing 1, be formed with heat insulation cavity A between the inner chamber perisporium in the aluminium courage outer peripheral face of aluminium courage 3 and aluminium courage bottom surface and box chamber and bottom wall of inner cavity, the 3 interior suspensions of aluminium courage are arranged with inner bag 4,3 in this inner bag 4 and aluminium courage are formed with and wrap around the inner bag and the heated chamber D take air as heat-conduction medium bottom the inner bag, aluminium courage 3 bottom overcoats paste to join electricity heating circle 5 are installed, this electricity heating circle 5 is electrically connected with the Kick type temperature controller 6 of auto-control electricity heating circle 5 heating-up temperatures, inner bag 4 is equipped with the inner bladder cover 41 of insulation, and box housing 1 is fitted with the lid 7 that sealing covers inner bag 4, the box housing 1 hinged carrying handle 8 that is fitted with.The box chamber accent of box housing 1 of the present invention is installed with insulating collar 2, and by insulating collar 2 positioning assemblings aluminium courage 3 is arranged, aluminium courage 3 is contactless with box housing 1, and aluminium courage 3 and box housing 1 are formed with to play and prevent from can being convenient to electric elements equipped heat insulation cavity A when heat from faling apart outward.Outstanding cover has stainless heat-preservation liner 4,3 in inner bag 4 and aluminium courage to be formed with to wrap around the inner bag and the heated chamber D take air as heat-conduction medium bottom the inner bag in the aluminium courage 3, thereby this product can guarantee that food can not cause the phenomenon of being burned.Aluminium courage 3 pastes the supporting electricity heating circle 5 that is equipped with, this product has changed traditional heat preserving mode into the electrical heating sealing and has continued insulation, and electricity heating circle 5 is connected with Kick type temperature controller 6, Kick type temperature controller 6 is a kind of bimetal strip thermostat, Kick type temperature controller 6 can utilize bimetal leaf to produce moment under the effect of temperature to beat, reach the purpose that disconnects or connect 5 work of circuit control electricity heating circle, realize the constant Heat preservation of food.In order to keep better the temperature of food, inner bag 4 adds the soft sealing inner container lid 41 of insulation, and box housing 1 also is fitted with the lid 7 that covers whole inner bag 4, thereby can improve further the heat-insulating property of this product, the box housing 1 hinged carrying handle 8 that is equipped with has made things convenient for people to extract and has carried.The present invention adopts electrical heating to transfer heat in the inner bag by air food is incubated, and food can be remained on stationary temperature, has lasting temperature retention time long, the characteristics of energy saving.This product is elegant in appearance, fashionable, easy to carry simultaneously, practical function.
In order further to optimize product structure, among the embodiment from Fig. 1, can see among Fig. 3 and Fig. 4, box housing 1 forms by base 11 with base 11 fixing equipped shells 12, shell 12 has consisted of the outer peripheral face of this product, are connected the fastness that connects with shell in order to improve base 11, the bottom compacting of shell 12 is formed with circular orientation concave station 12a, base 11 is shaped with positioning concave stations 12a and embeds the positioning boss 11a with flat surface that card is joined, the first-class radian of positioning concave stations 12a is shaped with three pilot holes, correspondingly with pilot hole on the flat surface of positioning boss 11a be shaped with three connecting hole 11b, shell 12 and base 11 pass pilot hole and connecting hole 11b is connected to a fixed successively through screw.
Kick type temperature controller 6 of the present invention is installed on the flat surface of base 11 positioning boss 11a, and be shaped with respectively on this flat surface and play thermolysis and prevent overheated heat radiation strip window 11c and the fairlead that burns out of electric elements, Kick type temperature controller 6 connects the power line 9 that promising electricity heating circle 5 provides electric power, this power line 9 is withheld from fairlead through cableties 91 and is drawn, cableties 91 can prevent that power line 9 from pulling, and box housing 1 is equipped with the cold folder cap K that connection is used.
As shown in Figure 1, relatively have the power supply indication window near the below on shell 12 side faces, this power supply indication window is fitted with lampshade B, be installed with LED power supply indicator B1 in the lampshade B, and from Fig. 3, can be clearly seen that, relatively be shaped with rotary shaft hole near the top on shell 12 side faces, carrying handle 8 is shaped with rotary shaft hole and snaps in the prominent button 81 of the rotating shaft that is hinged and connected.
For fastness and the convenience that guarantees that electricity heating circle 5 is installed, the first-class radian of aluminium courage 3 outer peripheral faces is installed with three heating coil supports 51, this heating support 51 is contained on the aluminium courage 3 through blind rivet 52 rivetings, the 51 upset inflection of heating support are shaped with support draw-in groove 51a, electricity heating circle 5 is clamped among this support draw-in groove 51a and be set with mutually with aluminium courage 3, and electricity heating circle 5 is with the annular structure of the non-closed circle of a breach 5a.Can deformed damaged when being with jagged 5a can guarantee electricity heating circle 5 heat expansion, be conducive to prolong the service life of electricity heating circle 5.
Among the embodiment as seen from Figure 7, insulating collar 2 is shaped with the annulus boss 21 with shell 12 upper surface compression fit, and this annulus boss 21 is shaped with the lower annular bead 22 of downward-extension and with the upper annular bead 23 of helicla flute 23a, the end of lower annular bead 22 is shaped with anti-dropping lock catch 22a, shell 12 upper end inner peripheral surfaces are shaped with the shell locked groove 12b that closes with anti-dropping lock catch 22a phase kayser, and upper annular bead 23 is shaped with the positioning concave ring 23b that cooperates with the phase fastening position, aluminium courage edge of aluminium courage 3 abductions upset.Helicla flute 23a can be along the whole circumferential extension of upper annular bead 23, also can be for multisection type.
As shown in Figure 4, aluminium courage of the present invention 3 bottom center are shaped with fixedly lockhole 31, and the flat surface center of base 11 positioning boss 11a is shaped with the location lockhole, and aluminium courage 3 adopts machine screw mech scrs to pass fixedly lockhole 31 and base 11 and is strained and fixed and is integral.
From Fig. 3 and Fig. 4, can clearly see among the embodiment, inner bag 4 is shaped with inner bag along limit 4b, this inner bag 4 is sleeved in the aluminium courage 3 through the aluminium courage edge brace type suspension of inner bag along limit 4b and aluminium courage 3, and be suppressed with deep-slotted chip breaker 4a in inner bag 4 upper edge holes, inner bladder cover 41 is shaped with deep-slotted chip breaker 4a and slips into the arc flange collar 41a that card is joined.
Lid 7 of the present invention is shaped with the spiral salient 7a suitable with insulating collar 2 helicla flute 23a, and the inner surface of this lid 7 is shaped with the trim ring 71 with inner bladder cover 41 phase interference fits, and the edge mouth of lid 7 compresses with the upper surface of insulating collar 2 annulus boss 21 and matches.
Be shaped with the swing handle groove 7b that three arcs make things convenient for hand-screw on the end face of lid 7, be shaped with the convenient handle 41b that extracts on the inner bladder cover 41, the cross section of box housing 1 is annular.Trim ring 71 of the present invention can utilize swing handle groove 7b to replace.
The present invention puts burned various foods in the inner bag of this product in use, and power line is plugged on the AC power of requirement, just food can be remained on stationary temperature, plays insulation effect, in order to avoid cooling.
Power output of the present invention: 120Vac, 60Hz, 50W.
Advantage of the present invention is:
1, temperature retention time is longer, after being electrified, and sustainable insulation, the time is long, and is easy to use.
2, built-in Kick type temperature controller, sustainable insulation can not make food temperature too high yet.
3, easy to carry, good airproof performance, safety is easy-to-use.
4, by temperature equalization about the air heat transfer inner bag, high conformity.
5, product is elegant in appearance, and is fashionable, practical function.
Claims (10)
1. electric heating lunch incubation chamber, comprise the box housing (1) with upper shed box chamber, it is characterized in that: the box chamber accent of described box housing (1) is installed with the insulating collar (2) that consists of box housing port trim ring, and through insulating collar (2) location cover for seat aluminium courage (3) is arranged in the box chamber of this box housing (1), be formed with heat insulation cavity (A) between the inner chamber perisporium in the aluminium courage outer peripheral face of described aluminium courage (3) and aluminium courage bottom surface and box chamber and bottom wall of inner cavity, hang in the described aluminium courage (3) and be arranged with inner bag (4), be formed with between this inner bag (4) and aluminium courage (3) and wrap around the inner bag and the heated chamber take air as heat-conduction medium (D) bottom the inner bag, described aluminium courage (3) bottom overcoat pastes to join electricity heating circle (5) is installed, this electricity heating circle (5) is electrically connected with the Kick type temperature controller (6) of auto-control electricity heating circle (5) heating-up temperature, described inner bag (4) is equipped with the inner bladder cover (41) of insulation, and box housing (1) is fitted with the lid (7) that sealing covers inner bag (4), the hinged carrying handle (8) that is fitted with of described box housing (1).
2. a kind of electric heating lunch incubation chamber according to claim 1, it is characterized in that: described box housing (1) comprises base (11) and fixes the equipped shell (12) that surrounds box housing side face with base (11), the compacting of described shell (12) bottom is formed with circular orientation concave station (12a), described base (11) is shaped with positioning concave stations (12a) and embeds the positioning boss with flat surface (11a) that card is joined, the radians such as described positioning concave stations (12a) are shaped with three pilot holes, be shaped with three connecting holes (11b) corresponding with pilot hole on the flat surface of described positioning boss (11a), described shell (12) and base (11) pass pilot hole and connecting hole (11b) is connected to a fixed successively through screw.
3. a kind of electric heating lunch incubation chamber according to claim 2, it is characterized in that: described Kick type temperature controller (6) is installed on the flat surface of base (11) positioning boss (11a), and be shaped with respectively heat radiation strip window (11c) and fairlead on this flat surface, described Kick type temperature controller (6) connects the power line (9) that promising electricity heating circle (5) provides electric power, this power line (9) is withheld from fairlead through cableties (91) and is drawn, and described box housing (1) is equipped with the cold folder cap (K) that connection is used.
4. a kind of electric heating lunch incubation chamber according to claim 3, it is characterized in that: relatively have the power supply indication window near the below on described shell (12) side face, this power supply indication window is fitted with lampshade (B), be installed with LED power supply indicator (B1) in the described lampshade (B), and relatively be shaped with rotary shaft hole near the top on described shell (12) side face, described carrying handle (8) is shaped with rotary shaft hole and snaps in the prominent button (81) of the rotating shaft that is hinged and connected.
5. a kind of electric heating lunch incubation chamber according to claim 4, it is characterized in that: the first-class radian of described aluminium courage (3) outer peripheral face is installed with three heating coil supports (51), this heating support (51) is contained on the aluminium courage (3) through blind rivet (52) riveting, described heating support (51) upset inflection is shaped with support draw-in groove (51a), described electricity heating circle (5) is clamped in this support draw-in groove (51a) and be set with mutually with aluminium courage (3), and described electricity heating circle (5) is with the annular structure of the non-closed circle of a breach (5a).
6. a kind of electric heating lunch incubation chamber according to claim 5, it is characterized in that: described insulating collar (2) is shaped with the annulus boss (21) with shell (12) upper surface compression fit, and this annulus boss (21) is shaped with the lower annular bead (22) of downward-extension and with the upper annular bead (23) of helicla flute (23a), the end of described lower annular bead (22) is shaped with anti-dropping lock catch (22a), described shell (12) upper end inner peripheral surface is shaped with the shell locked groove (12b) that closes with anti-dropping lock catch (22a) phase kayser, and described upper annular bead (23) is shaped with the positioning concave ring (23b) that cooperates with the phase fastening position, aluminium courage edge of aluminium courage (3) abduction upset.
7. a kind of electric heating lunch incubation chamber according to claim 6, it is characterized in that: described aluminium courage (3) bottom center is shaped with fixedly lockhole (31), the flat surface center of described base (11) positioning boss (11a) is shaped with the location lockhole, and described aluminium courage (3) adopts machine screw mech scr to pass fixedly lockhole (31) and is strained and fixed with base (11) and is integral.
8. a kind of electric heating lunch incubation chamber according to claim 7, it is characterized in that: described inner bag (4) is shaped with inner bag along the limit (4b), this inner bag (4) is sleeved in the aluminium courage (3) with the aluminium courage edge brace type suspension of aluminium courage (3) along limit (4b) through inner bag, and be suppressed with deep-slotted chip breaker (4a) in described inner bag (4) upper edge hole, described inner bladder cover (41) is shaped with deep-slotted chip breaker (4a) and slips into the arc flange collar (41a) that card is joined.
9. a kind of electric heating lunch incubation chamber according to claim 8, it is characterized in that: described lid (7) is shaped with the spiral salient (7a) suitable with insulating collar (2) helicla flute (23a), and the inner surface of this lid (7) is shaped with the trim ring (71) with inner bladder cover (41) phase interference fit, and the edge mouth of described lid (7) compresses with the upper surface of insulating collar (2) annulus boss (21) and matches.
10. a kind of electric heating lunch incubation chamber according to claim 9, it is characterized in that: be shaped with the swing handle groove (7b) that three arcs make things convenient for hand-screw on the end face of described lid (7), be shaped with the convenient handle (41b) that extracts on the described inner bladder cover (41), the cross section of described box housing (1) is annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310034396.7A CN103054300B (en) | 2013-01-30 | 2013-01-30 | Electrically-heated heat-retaining lunch box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310034396.7A CN103054300B (en) | 2013-01-30 | 2013-01-30 | Electrically-heated heat-retaining lunch box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103054300A true CN103054300A (en) | 2013-04-24 |
| CN103054300B CN103054300B (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310034396.7A Expired - Fee Related CN103054300B (en) | 2013-01-30 | 2013-01-30 | Electrically-heated heat-retaining lunch box |
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| Country | Link |
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| CN (1) | CN103054300B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103211372A (en) * | 2013-05-09 | 2013-07-24 | 宁波无极电器有限公司 | Electric heating constant temperature lunch box |
| CN103494416A (en) * | 2013-09-29 | 2014-01-08 | 刘骏涛 | Heat-preservation lunch box |
| CN105411144A (en) * | 2015-12-30 | 2016-03-23 | 崔建国 | Dual-barrel meal box |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2177421Y (en) * | 1993-05-13 | 1994-09-21 | 中山市威力集团工业公司 | Electric rice pot heated by electrothermic film |
| JP2006042944A (en) * | 2004-07-30 | 2006-02-16 | Tafuko:Kk | Lunch jar |
| CN201612254U (en) * | 2009-11-07 | 2010-10-27 | 隋晓庆 | Electric heating and thermal insulation lunch box |
| CN203058670U (en) * | 2013-01-30 | 2013-07-17 | 宁波无极电器有限公司 | Electric heating lunch insulation box |
-
2013
- 2013-01-30 CN CN201310034396.7A patent/CN103054300B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2177421Y (en) * | 1993-05-13 | 1994-09-21 | 中山市威力集团工业公司 | Electric rice pot heated by electrothermic film |
| JP2006042944A (en) * | 2004-07-30 | 2006-02-16 | Tafuko:Kk | Lunch jar |
| CN201612254U (en) * | 2009-11-07 | 2010-10-27 | 隋晓庆 | Electric heating and thermal insulation lunch box |
| CN203058670U (en) * | 2013-01-30 | 2013-07-17 | 宁波无极电器有限公司 | Electric heating lunch insulation box |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103211372A (en) * | 2013-05-09 | 2013-07-24 | 宁波无极电器有限公司 | Electric heating constant temperature lunch box |
| CN103494416A (en) * | 2013-09-29 | 2014-01-08 | 刘骏涛 | Heat-preservation lunch box |
| CN105411144A (en) * | 2015-12-30 | 2016-03-23 | 崔建国 | Dual-barrel meal box |
| CN105411144B (en) * | 2015-12-30 | 2017-11-10 | 崔建国 | Twin-tub lunch box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103054300B (en) | 2014-10-08 |
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