CN206846826U - A kind of cumulative component and gas-cooker for gas-cooker - Google Patents
A kind of cumulative component and gas-cooker for gas-cooker Download PDFInfo
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- CN206846826U CN206846826U CN201720662584.8U CN201720662584U CN206846826U CN 206846826 U CN206846826 U CN 206846826U CN 201720662584 U CN201720662584 U CN 201720662584U CN 206846826 U CN206846826 U CN 206846826U
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- energy
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- cooker
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Abstract
The utility model discloses a kind of cumulative component and gas-cooker for gas-cooker, it is related to kitchen range technical field, provides sufficient oxygen for gas fuel burning process in gas-cooker to improve the thermal efficiency of gas-cooker.A kind of cumulative component for gas-cooker of the utility model, including the first Energy-collecting tray and the second Energy-collecting tray, second Energy-collecting tray is positioned on first Energy-collecting tray, first Energy-collecting tray and second Energy-collecting tray are the loop configuration that from top to bottom diameter is gradually reduced, it is circumferentially spaced between first Energy-collecting tray and second Energy-collecting tray to be provided with multiple fins, one end of the fin is towards the upper edge of first Energy-collecting tray, the other end of the fin is towards the lower edge of first Energy-collecting tray, relatively described first Energy-collecting tray of multiple fins radially deviates in the same direction, the angle of deviation is acute angle.A kind of cumulative component of the utility model is used for the thermal efficiency for improving gas-cooker.
Description
Technical field
It the utility model is related to kitchen range technical field, more particularly to a kind of cumulative component and gas-cooker for gas-cooker.
Background technology
Gas-cooker is a kind of conventional kitchen utensils, is generally fired with gases such as liquefied petroleum gas, artificial coal gas or natural gases
Material carries out straight fire heating.Existing Some gases kitchen range have Energy-collecting tray, and its thermal efficiency is higher than the gas-cooker without Energy-collecting tray.
Reference picture 1, the cumulative component that prior art is used for gas-cooker include the first cumulative circle 01, the second cumulative circle 02 and pot
Support 03, pan bracket 03 are arranged between the first cumulative circle 01 and the second cumulative circle 02.The first cumulative circle 01 and the second cumulative
Circle 02 is the loop configuration from top to bottom shunk, and pan bracket 03 includes annular base 031 and along 031 circumferentially-spaced arrangement of base
Pot leg 032, base 031 is located at the inner side of the first cumulative circle 01, and the second cumulative circle 02 offers and the position pair of pot leg 032
The opening 021 answered, pot leg 032 pass through opening 021, and the upper end of pot leg 032 is higher than the upper surface of the second cumulative circle 02 to prop up
Pan is supportted, the gap between the first cumulative circle 01 and the second cumulative circle 02 is provided with rib 04, article adjacent ribs or rib and pot leg
Space between 032 forms the heating passage of auxiliary air, and the lower edge of the second cumulative circle 02 is provided with multiple branch vertically downward
Spike 022, support feet 022 are supported in the inner side of base 031.
Air is entered in the second cumulative circle 02 by the heating passage in the prior art, and with fuel gas burn instead
Should, because flowing velocity of the air in heating passage is slower, it is impossible to provide the oxygen of abundance for fuel gas in time so that flammable
Gas can not fully burn, and cause the thermal efficiency of gas-cooker relatively low.
Utility model content
Embodiment of the present utility model provides a kind of cumulative component and gas-cooker for gas-cooker, can be in gas-cooker
Gas fuel burning process provides sufficient oxygen to improve the thermal efficiency of gas-cooker.
To reach above-mentioned purpose, embodiment of the present utility model adopts the following technical scheme that：
A kind of cumulative component for gas-cooker, including the first Energy-collecting tray and the second Energy-collecting tray, second Energy-collecting tray are put
Be placed on first Energy-collecting tray, first Energy-collecting tray and second Energy-collecting tray be from top to bottom diameter be gradually reduced
Loop configuration, it is circumferentially spaced between first Energy-collecting tray and second Energy-collecting tray to be provided with multiple fins, the fin
One end towards the upper edge of first Energy-collecting tray, the other end of the fin towards the lower edge of first Energy-collecting tray,
Relatively described first Energy-collecting tray of multiple fins radially deviates in the same direction, and the angle of deviation is acute angle.
The utility model embodiment also discloses a kind of gas-cooker, including cumulative component described above.
The utility model embodiment provide the cumulative component and gas-cooker for gas-cooker, due to the first Energy-collecting tray with
It is circumferentially spaced between second Energy-collecting tray that multiple fins, the upper edge of one end the first Energy-collecting tray of direction of fin, the other end are set
Towards the lower edge of the first Energy-collecting tray, fin will can be divided between the first Energy-collecting tray and the second Energy-collecting tray multiple from top to bottom to be prolonged
The heating passage for the auxiliary air stretched.Because the first Energy-collecting tray and the second Energy-collecting tray are the annular that from top to bottom diameter is gradually reduced
Structure, and multiple fins radially deviate in the same direction with respect to the first Energy-collecting tray, the angle of deviation is acute angle, so above-mentioned adds
The passage of heat is diminishing spirality channel from top to bottom.When outside air is close to spiral heating passage, due to combustion
Flue-gas temperature around the burner of gas kitchen is higher, and surface of the high-temperature flue gas along the second Energy-collecting tray rises, shape near burner
Into certain negative pressure, under suction function, outside air is inhaled into the heating passage between the first Energy-collecting tray and the second Energy-collecting tray
It is interior, and air after fin contacts with being heated；With being gradually reduced for heating passage, the pressure increase of air stream, speed adds
It hurry up, after tangent line of the air stream along heating passage 4 flows out, multiply air-flow is mixed to form vortex, re-forms upward swirling eddy,
Further improve the speed of air stream so that more outside airs can enter in the first Energy-collecting tray as secondary in the same time
Air is used, and therefore, the cumulative component of the utility model embodiment can provide for the combustion process of fuel gas in gas-cooker to be filled
The oxygen of foot, makes fuel gas fully burn, and effectively reduces the content of CO (carbon monoxide) in flue gas, drops low exhaust gas emission, from
And improve the thermal efficiency of gas-cooker.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the cumulative component that prior art is used for gas-cooker；
Fig. 2 is the structure broken away view for the cumulative component that the utility model embodiment is used for gas-cooker；
Fig. 3 is the top view for the cumulative component that the utility model embodiment is used for gas-cooker；
Fig. 4 is Fig. 3 Section A-A figure；
Fig. 5 is that the utility model embodiment is arranged on the second cumulative circle for pan bracket in the cumulative component of gas-cooker
Schematic cross-section；
Fig. 6 is the top view that the utility model embodiment is used for the first Energy-collecting tray in the cumulative component of gas-cooker；
Fig. 7 is Fig. 6 section B-B figure.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
In description of the present utility model, it is to be understood that term " " center ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply and be signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
New limitation.
Cumulative component is provided with many gas-cookers, to improve the efficiency of combustion of gas-cooker, cumulative component can be positioned over combustion
On the drip pan of gas kitchen, or it is arranged at the burner periphery of gas-cooker.Gas-cooker is provided once empty in heating process by nozzle
Gas, further to improve efficiency of combustion, also need to provide auxiliary air to the fuel gas of gas-cooker.
Embodiment 1, Fig. 2, Fig. 3 are a specific implementation of the cumulative component that the utility model embodiment is used for gas-cooker
, cumulative component includes the first Energy-collecting tray 1 and the second Energy-collecting tray 2 being positioned on the first Energy-collecting tray 1 in the present embodiment, the
One Energy-collecting tray 1 and the second Energy-collecting tray 2 are the loop configuration that from top to bottom diameter gradually decreases, and the first Energy-collecting tray 1 and second is poly-
It is circumferentially spaced between energy disk 2 to be provided with multiple fins 3, the upper edge of one end the first Energy-collecting tray 1 of direction of fin 3, the other end
Towards the lower edge of the first Energy-collecting tray 1, multiple fins 3 radially deviate in the same direction with respect to the first Energy-collecting tray 1, and the angle deviateed
Spend for acute angle, i.e., multiple fins 3 are vertically extending, and the angle of the radial direction of 3 and first Energy-collecting tray of fin 1 is acute angle.
The cumulative component for gas-cooker that the utility model embodiment provides, due to poly- in the first Energy-collecting tray 1 and second
It is circumferentially spaced between energy disk 2 that multiple fins 3, the upper edge of one end the first Energy-collecting tray 1 of direction of fin 3, other end court are set
To the lower edge of the first Energy-collecting tray 1, fin 3 will can be divided between the first Energy-collecting tray 1 and the second Energy-collecting tray 2 it is multiple from top to bottom
The heating passage 4 of the auxiliary air of extension, as shown in Figure 4.Because the first Energy-collecting tray 1 and the second Energy-collecting tray 2 are straight from top to bottom
The loop configuration that footpath is gradually reduced, and multiple fins 3 radially deviate in the same direction with respect to the first Energy-collecting tray 1, the angle of deviation
For acute angle, so above-mentioned heating passage 4 is diminishing spirality channel from top to bottom.When outside air is close to spiral shape
Heating passage 4 when, because the flue-gas temperature around the burner of gas-cooker is higher, high-temperature flue gas is along the second Energy-collecting tray 2
Surface rises, and burner is formed about certain negative pressure, and under suction function, outside air is inhaled into the first Energy-collecting tray 1 and the
In heating passage 4 between two Energy-collecting tray 2, and air contacted with fin 3 after be heated；With the gradual contracting of heating passage 4
Small, air flow pressure increase, speed is accelerated, and after tangent line of the air stream along heating passage 4 flows out, multiply air-flow is mixed to form whirlpool
Stream, re-forms upward swirling eddy, further improves the speed of air stream so that more outside airs can in the same time
Used in into the first Energy-collecting tray 1 as auxiliary air, therefore, the cumulative component of the utility model embodiment can be in gas-cooker
The combustion process of fuel gas provides sufficient oxygen, fuel gas is fully burnt, and effectively reduces the content of CO in flue gas, drop
Low exhaust gas emission, so as to improve the thermal efficiency of gas-cooker.
Above-mentioned fin 3 may be disposed at the upper surface of the first Energy-collecting tray 1, may also set up in the lower surface of the second Energy-collecting tray 2.
Because in gas-cooker practical application, gas-cooker full load condition heating, the temperature of the first Energy-collecting tray 1 is no more than 200 DEG C, and second is poly-
Energy disk 2 can be heated to 500 DEG C, so, the second Energy-collecting tray 2 can only use the material that softening point is more than 500 DEG C, such as cold drawing (i.e.
The thin steel of cold rolling, the abbreviation of carbon structural steels cold-reduced sheet) or sand cast iron.If fin 3 is arranged on to the lower surface of the second Energy-collecting tray 2
When, the Energy-collecting tray 2 of fin 3 and second need to be integrally formed making by sand cast iron, and sand cast iron make the cost of the second Energy-collecting tray 2 compared with
Height, and sand cast iron easily pollutes environment in process, it is therefore preferred that fin 3 is arranged on by the utility model embodiment
The upper surface of first Energy-collecting tray 1, when the second Energy-collecting tray 2 is positioned on the first Energy-collecting tray 1, the upper surface of fin 3 is poly- with second
The lower surface of energy disk 2 is against as shown in Fig. 2, Fig. 4 and Fig. 6；Aluminium alloy compression casting can be used by being provided with the first Energy-collecting tray 1 of fin 3
Shaping makes, and the second Energy-collecting tray 2 can use lower-cost cold drawing punch forming, reduces processing and material cost.
Based on above-described embodiment, in the utility model embodiment the first Energy-collecting tray 1 include upper enclosure 11, cumulative circle 12 and
Lower enclosure 13, wherein, upper enclosure 11 is horizontally extending, and lower enclosure 13 vertically extends, and cumulative circle 12 is from top to bottom
Diameter is gradually reduced, and the upper edge of cumulative circle 12 connects with upper enclosure 11, and the lower edge of cumulative circle 12 connects with lower enclosure 13,
And fin 3 is arranged on cumulative circle 12 and upper enclosure 11, as shown in Figure 2.Only include cumulative circle relative to the first Energy-collecting tray 1
12 scheme, the air that the upper enclosure 11 in the first Energy-collecting tray of the utility model embodiment 1 can heat passage 4 to entering have and led
To effect, after air enters cumulative circle 12, air stream switchs to laminar motion along upper enclosure 11 by turbulent flow, reduces the production of vortex
Raw, so as to reduce the resistance of air flow, and air-flow can slowly be oriented to the burner of gas-cooker by lower enclosure 13, promote combustible gas
The abundant burning of body.
Alternatively, it is used to support second in the axially spaced multiple supporting tables 5 of setting of inwall of lower enclosure 13, supporting table 5
Energy-collecting tray 2 so that heating passage 4 in air can through between supporting table 5 space flow out, cumulative component go out wind velocity compared with
It hurry up.
Above-mentioned supporting table 5 can be to be arranged at the boss of the lower inwall of enclosure 13, or extended down by fin 3 formed it is convex
Platform, because the former supporting table 5 may be provided at the exit of heating passage 4, supporting table 5 can form resistance, and supporting table 5 to air stream
Separately manufactured with fin 3, process operation is complicated, and the latter's fin 3 and supporting table 5 can one-shot forming, process operation is simple, and
Air-flow can be also directed to the burner of gas-cooker, it is therefore preferred that the supporting table 5 of the utility model embodiment is using the latter's
Scheme, as shown in Figure 2.
The cumulative component for gas-cooker of the utility model embodiment also includes pan bracket 6, and pan bracket 6 is arranged at first
The top of Energy-collecting tray 1, pan bracket 6 include foundation ring 61 and multiple support feets 62, one-week interval of multiple support feets 62 along foundation ring 61
Set, and axis extension of the support feet 62 along foundation ring 61, as shown in Fig. 2 and Fig. 4~5, support feet 62, which is used for support, to be needed to heat
Pan or stove.The quantity of support feet 62 is 4~5 in the utility model embodiment, is ensureing to provide for pan or stove
On the basis of powerful support, reduce pan bracket 6 and touch the heat that flue gas is taken away.
Alternatively, the foundation ring 61 of above-mentioned pan bracket 6 is directly arranged on fin 3, and the inside edge of foundation ring 61 is gathered with second
Can the upper edge of disk 2 connect, as shown in Figure 4 (arrow show the flow direction of auxiliary air in figure), foundation ring 61 is as forming
The part of heating passage 4 of auxiliary air, reduce the volume of the second Energy-collecting tray 2.
Alternatively, reference picture 5 (arrow show the flow direction of auxiliary air in figure), the foundation ring 61 of above-mentioned pan bracket 6
The upper end of the second Energy-collecting tray 2 can be also placed directly in, be only positioned over by the second Energy-collecting tray 2 on the first Energy-collecting tray 1 formed it is secondary
The heating passage 4 of air, it is more preferable to heat the seal of passage 4, relative to prior art, reduces the support feet 62 of pan bracket 6
Height, so as to reduce the heat that pan bracket 6 absorbs or taken away, be advantageous to improve gas-cooker the thermal efficiency.
Reference picture 6, the plane of upper end and the axis of the first Energy-collecting tray 1 through fin 3 is the first plane, when the side of fin 3
For cambered surface when, the angle α span that the tangent line of the upper end of fin 3 and the first plane are formed in the utility model embodiment is 20 °
~45 °；When the surface of fin 3 is plane, the folder of the bearing of trend of the utility model embodiment fin 3 and the formation of the first plane
Angle α spans are 20 °~45 °, avoid α angles excessive or the too small rotary motion for being unfavorable for forming air-flow, while increase air-flow
Resistance, so as to improve air stream enter heating passage 4 speed.In addition, fin 3 and first is poly- in the utility model embodiment
Angle between the surface of energy disk 1 is acute angle, i.e., fin 3 is obliquely installed in the surface of the first Energy-collecting tray 1, the above-below direction of fin 3
Section can be plane, or cambered surface by the rational design to the angle of inclination of fin 3, can further promote to heat passage 4
Interior auxiliary air forms swirling eddy.
In addition, when fin 3 is along excessive height on the upper surface direction of the first Energy-collecting tray 1, cumulative component into
This is higher, while the volume of whole cumulative component is larger, causes cost to increase, profile is unsightly；When fin 3 is along perpendicular to first
When height on the upper surface direction of Energy-collecting tray 1 is too low, the gap between the first Energy-collecting tray 1 and the second Energy-collecting tray 2 is smaller, and heating is logical
Road is too small, is unfavorable for outside air and enters in heating passage.Therefore, in the utility model embodiment fin 3 along perpendicular to first
The height H in the upper surface direction of Energy-collecting tray 1 is 6~10mm, as shown in Figure 7.If heating, passage 4 is narrow, i.e. the quantity of fin 3 is excessive,
After outside air enters, the resistance that air stream is subject to is larger；If heating, passage 4 is excessive, i.e. the quantity of fin 3 is very few, heats passage 4
The pressure of interior air stream is small, and speed is slow, is unfavorable for forming swirling eddy, therefore, the quantity of fin 3 in the utility model embodiment
For 6~15, so that the width of heating passage 4 is maintained in suitable scope.
If upper enclosure 11 is too short, it is impossible to which the air stream for making to enter in heating passage 4 switchs to laminar flow by turbulent flow；If upper enclosure 11
Long, then on-way resistance of the air in heating passage 4 is excessive, is unfavorable for the importing of air-flow.Therefore, reference picture 7, this practicality are new
The width W of upper enclosure 11 scope is 10~20mm in type embodiment, to optimize the heating passage 4 of auxiliary air, ensures air
Blowout speed.
Accordingly, if lower enclosure 13 is long, the cost of the first Energy-collecting tray 1 is higher；If lower enclosure 13 is too short, the first Energy-collecting tray
1 support strength is too low.It is therefore preferred that reference picture 5, lower enclosure 13 is vertically (vertical in the utility model embodiment
Be horizontal direction in directional diagram) length L span be 5~15mm, it is ensured that air is logical from heating at an appropriate angle
Blown out in road 4, and the next circle there are enough support strengths.
The utility model embodiment also includes a kind of gas-cooker, including the cumulative component in above-described embodiment, due at this
The cumulative component of the gas-cooker installation of embodiment is identical with the structure provided in each embodiment of above-mentioned cumulative component, therefore two
Person can solve the problem that identical technical problem, and reach identical Expected Results.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with the power
The protection domain that profit requires is defined.
Claims (12)
1. a kind of cumulative component for gas-cooker, including the first Energy-collecting tray and the second Energy-collecting tray, it is characterised in that described second
Energy-collecting tray is positioned on first Energy-collecting tray, first Energy-collecting tray and second Energy-collecting tray be from top to bottom diameter by
Decrescence small loop configuration, it is circumferentially spaced between first Energy-collecting tray and second Energy-collecting tray to be provided with multiple fins,
One end of the fin is towards the upper edge of first Energy-collecting tray, and the other end of the fin is towards first Energy-collecting tray
Lower edge, relatively described first Energy-collecting tray of multiple fins radially deviate in the same direction, and the angle of deviation is acute angle.
2. the cumulative component according to claim 1 for gas-cooker, it is characterised in that the fin is arranged at described
The upper surface of one Energy-collecting tray, the lower surface of the upper surface of the fin and second Energy-collecting tray against.
3. the cumulative component according to claim 1 for gas-cooker, it is characterised in that first Energy-collecting tray includes edge
The upper enclosure of horizontal direction extension, the lower enclosure that vertically extends and cumulative circle that from top to bottom diameter is gradually reduced,
The upper edge of the cumulative circle connects with the upper enclosure, and the lower edge of the cumulative circle connects with the lower enclosure, the wing
Piece is arranged on the cumulative circle and the upper enclosure.
4. the cumulative component according to claim 3 for gas-cooker, it is characterised in that the inwall edge week of the lower enclosure
To multiple supporting tables are interval with, the supporting table is used to support second Energy-collecting tray.
5. the cumulative component according to claim 4 for gas-cooker, it is characterised in that the supporting table is by the fin
Extension is formed down.
6. according to the cumulative component according to any one of claims 1 to 5 for gas-cooker, it is characterised in that also include setting
The pan bracket being placed in above first Energy-collecting tray, the pan bracket include foundation ring and set along the foundation ring one-week interval
Multiple support feets, the support feet towards the foundation ring axis extend.
7. the cumulative component according to claim 6 for gas-cooker, it is characterised in that the foundation ring of the pan bracket is set
In on the fin, and the inside edge of the foundation ring connects with the upper edge of second Energy-collecting tray.
8. the cumulative component according to claim 6 for gas-cooker, it is characterised in that place the foundation ring of the pan bracket
In the upper end of second Energy-collecting tray.
9. according to the cumulative component according to any one of claims 1 to 5 for gas-cooker, it is characterised in that through the wing
The plane of the axis of the upper end of piece and first Energy-collecting tray is the first plane, the tangent line of the fin upper end or the fin
Bearing of trend is 20 °~45 ° with the angle span that first plane is formed.
10. the cumulative component for gas-cooker according to any one of claim 3~5, it is characterised in that the upper measurement
The width span of circle is 10~20mm.
11. the cumulative component for gas-cooker according to any one of claim 3~5, it is characterised in that enclosed under described
The length span of circle vertically is 5~15mm.
12. a kind of gas-cooker, it is characterised in that include the cumulative component any one of the claims 1~11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720662584.8U CN206846826U (en) | 2017-06-08 | 2017-06-08 | A kind of cumulative component and gas-cooker for gas-cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720662584.8U CN206846826U (en) | 2017-06-08 | 2017-06-08 | A kind of cumulative component and gas-cooker for gas-cooker |
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| Publication Number | Publication Date |
|---|---|
| CN206846826U true CN206846826U (en) | 2018-01-05 |
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ID=60799368
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| CN201720662584.8U Active CN206846826U (en) | 2017-06-08 | 2017-06-08 | A kind of cumulative component and gas-cooker for gas-cooker |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131530A (en) * | 2017-06-08 | 2017-09-05 | 广东海信家电有限公司 | A kind of cumulative component and gas-cooker for gas-cooker |
| CN109163362A (en) * | 2018-07-24 | 2019-01-08 | 珠海格力电器股份有限公司 | Burner and cumulative circle |
| CN111964128A (en) * | 2019-05-19 | 2020-11-20 | 宁波方太厨具有限公司 | Heat shield for stove and gas stove with heat shield |
-
2017
- 2017-06-08 CN CN201720662584.8U patent/CN206846826U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131530A (en) * | 2017-06-08 | 2017-09-05 | 广东海信家电有限公司 | A kind of cumulative component and gas-cooker for gas-cooker |
| CN107131530B (en) * | 2017-06-08 | 2023-09-01 | 广东海信家电有限公司 | Energy collecting assembly for gas stove and gas stove |
| CN109163362A (en) * | 2018-07-24 | 2019-01-08 | 珠海格力电器股份有限公司 | Burner and cumulative circle |
| CN111964128A (en) * | 2019-05-19 | 2020-11-20 | 宁波方太厨具有限公司 | Heat shield for stove and gas stove with heat shield |
| CN111964128B (en) * | 2019-05-19 | 2021-12-24 | 宁波方太厨具有限公司 | Heat shield for stove and gas stove with heat shield |
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