CN204923124U - Combination of fire lid - Google Patents
Combination of fire lid Download PDFInfo
- Publication number
- CN204923124U CN204923124U CN201520656274.6U CN201520656274U CN204923124U CN 204923124 U CN204923124 U CN 204923124U CN 201520656274 U CN201520656274 U CN 201520656274U CN 204923124 U CN204923124 U CN 204923124U
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- Prior art keywords
- fire
- hole
- fire hole
- oblique
- fire cover
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Abstract
The utility model discloses a combination of fire lid wraps its technical scheme main points and is: combination of fire lid covers the base including angering, and the fire covers the grafting of base top has outer ring fire lid and inner ring fire lid, and inner ring fire lid places outer ring fire in and covers center department, and the upper surface centering department of the lid that outer ring fire was covered caves in and forms the circular conical surface, evenly distributed has the lug of a plurality of on the circular conical surface, fire hole in being equipped with one number between the lug, fire hole in the skewed surface of lug is equipped with two numbers. Inner ring fire lid includes the barrel of under shed, first oblique fiery hole has been seted up to the lateral wall of barrel, second fiery hole has to one side been seted up to the below in first oblique fiery hole, first oblique fiery hole and second be fiery hole staggered arrangement to one side. The crossing flame of flame formation in fire hole and interior fiery hole can make the more abundant even burning of gas to one side. NULL about the interior fiery hole has solved the less problem of fiery hole space interval, has guaranteed that the secondary of air is supplied with, makes the gas produce the blue flame that has the higher temperature.
Description
Technical field
The utility model relates to a kind of gas range device, and more particularly, it relates to a kind of fire cover of gas-cooker.
Background technology
Existing furnace end of gas cooker, external ring fire cover outer be provided with equally distributed stable flame hole and outer shroud fire hole, but the design of interior fire hole directly affects the thermal energy conduction efficiency of combustion gas.The too small easy auxiliary air that affects of spacing of interior fire hole supplies, and produces yellow flame.
The patent No. is a kind of outer-ring fire cover for gas burner disclosed in the China of 200920112857.7, and interior fire hole is positioned at lid inner ring, and this interior fire hole is connected with lid blast tube.
What described interior fire hole was intensive is positioned at an inner ring curved surface, spacing between interior fire hole is less, easily cause auxiliary air undersupply, and combustion gas cannot be burnt completely, the yellow flame that easy generation heat energy is lower, the service efficiency of combustion gas reduces and causes certain adverse influence to taste of food, and single external ring fire cover can cause fuel gas buring uneven, and the same efficiency of combustion gas that uses reduces.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of fire cover to combine, and it effectively can improve the service efficiency of combustion gas, makes combustion gas discharge stable heat energy.
For achieving the above object, the utility model provides following technical scheme:
A kind of fire cover combination, comprise fire cover base, external ring fire cover and interior ring fire cover, external ring fire cover and interior ring fire cover are plugged in above fire cover base, interior ring fire cover is placed in external ring fire cover center, described external ring fire cover comprises circular lid, the outer side elevation of described lid is circumferentially provided with outer fire hole in direction, described interior ring fire cover comprises the cylindrical shell of under shed, it is characterized in that, the upper surface of lid is recessed to form taper seat to center, described taper seat is evenly distributed with several projection, taper seat between described projection offers fire hole in No., projection offers fire hole in No. two, the sidewall of described cylindrical shell offers the first oblique fire hole, the below of the described first oblique fire hole offers the second oblique fire hole, described first oblique fire hole and the second oblique fire hole are staggered.
As preferably, in No. one, in fire hole and No. two, the aperture of fire hole is 1mm to 2mm.
As preferably, in described No. one, in fire hole and No. two, the center line of fire hole intersects at directly over lid.
As preferably, be provided with round platform above described cylindrical shell, be provided with interface below described cylindrical shell, the described first oblique fire hole and the second oblique fire hole are inclined upwardly along being interfaced to round platform direction.
As preferably, the aperture of the described first oblique fire hole is 2mm to 2.5mm, and the aperture of the described second oblique fire hole is 1mm to 2mm.
As preferably, described interior ring fire cover and external ring fire cover adopt model to be HPb59-1 ledrite.
As preferably, the below of described outer fire hole is provided with stable flame hole, and outer fire hole and stable flame hole are staggered.
Compared with prior art, its beneficial effect is: fire hole in No. two that inside lid, interior fire hole are designed to fire hole in No. on projection and are placed in underbump, design in this interior fire hole is divided into staggered two-layer up and down.Because adjacent interior fire hole is staggered up and down, on the basis meeting multiple interior fire hole quantitative requirement, solve the problem that fire hole spatial separation is less, ensure that the secondary supply of air, make combustion gas produce the blue flame with higher temperature, decrease the waste of combustion gas.
When the aperture of interior fire hole is less than 1mm, flame propagation velocity is crossed slow easily formation and is taken off fiery phenomenon, when the aperture of interior fire hole is greater than 2mm, the too fast easy formation tempering phenomenon of flame propagation velocity, the burning that the flame that interior fire hole adopts the aperture of 1mm to 2mm to enable to spray from interior fire hole is stable.
Interior fire hole and oblique fire hole all have certain inclination angle, and the inclination angle of fire hole is larger, and in flue gas, the content of CO is more, and the thermal efficiency is higher, and the inclination angle of fire hole effectively raises the service efficiency of combustion gas.
The better cutting ability of HPb59-1 ledrite, mechanical property, can bear cold and hot pressure processing and have good stability to general corrosion, is the preferred material as fire cover.
Stable flame hole can prevent the flame of outer fire hole from occurring tempering, de-fiery phenomenon.Oblique fire hole becomes staggered form flame with the flame-shaped of interior fire hole, can make the burning that combustion gas is more full and uniform.
Accompanying drawing explanation
Fig. 1 is the cross-sectional schematic of a kind of fire cover combination of the utility model.
The structural representation figure mono-of Fig. 2 the utility model outer-loop fire cover;
Fig. 3 is the structural representation figure bis-of the utility model outer-loop fire cover;
Fig. 4 is the cross-sectional schematic of the utility model outer-loop fire cover;
Fig. 5 is the structural representation of interior ring fire cover in the utility model;
Fig. 6 is the cross-sectional schematic of interior ring fire cover in the utility model.
Description of reference numerals: 1, external ring fire cover; 2, interior ring fire cover; 3, fire cover base; 4, projection; 5, fire hole in No. two; 6, fire hole in No.; 7, taper seat; 8, outer fire hole; 9, stable flame hole; 10, the second blast tube; 11, cylindrical shell; 12, round platform; 13, interface; 14, sidewall; 15, the first oblique fire hole; 16, the second oblique fire hole; 17, the 3rd blast tube; 18, the first blast tube.
Detailed description of the invention
Referring to figs. 1 through Fig. 6, a kind of fire cover combination of the utility model embodiment is described further.
Consult Fig. 1, a kind of fire cover combination, comprises fire cover base 3, external ring fire cover 1 and interior ring fire cover 2, and described external ring fire cover 1 is pluggable above fire cover base 3 with interior ring fire cover 2, and interior ring fire cover 2 is placed in external ring fire cover 1 center.First blast tube 18 of fire cover base 3 is communicated in the second blast tube 10 of external ring fire cover 1 and the 3rd blast tube 17 of interior ring fire cover 2 respectively.
Consult Fig. 2, Fig. 3 and Fig. 4 known, described external ring fire cover 1 comprises circular lid, the outer side elevation of described lid is circumferentially provided with 68 outer fire holes 8 in direction, described outer fire hole 8 adopts the aperture of hole 2.6mm, the below of described outer fire hole 8 is provided with 68 stable flame holes 9, and outer fire hole 8 is staggered with stable flame hole 9.There is tempering in the flame that stable flame hole 9 can prevent outer fire hole 8 from spraying, de-fiery phenomenon, contributes to the smooth combustion of combustion gas.The center line of described outer shroud fire hole 8 and stable flame hole 9 intersects at immediately below lid respectively, illustrate that outer fire hole 8 is all inclination fire hole with stable flame hole 9, the inclination angle of fire hole is larger, and in flue gas, the content of CO is more, the thermal efficiency is higher, and the inclination angle of fire hole effectively raises the service efficiency of combustion gas.
The upper surface of lid is recessed to form taper seat 7 to center, described taper seat 7 is evenly distributed with the projection 4 of 12, the taper seat 7 between described projection 4 offers fire hole 6 in No., and the upper upper surface place of projection 4 offers fire hole 5 in No. two.In described No. one, in fire hole 6 and No. two, the center line of fire hole 5 all intersects at directly over lid, and in No. one, in fire hole 6 and No. two, fire hole 5 is inclination fire hole, contributes to the service efficiency that improve combustion gas.In described No. one, in fire hole and No. two, the quantity of fire hole is all 12, and in No. one, in fire hole 6 and No. two, the aperture of fire hole 5 is 1.8mm.The aperture of 1.8m can avoid inner ring fire hole excessive generation gas range tempering phenomenon effectively.So-called gas range tempering: fire hole oversize, causes the flowing velocity of combustion gas to be less than flame transmission speed, makes flame be retracted into kitchen range inner chamber, occur the combustion phenomena of " detonation " that stove sprays.
In No. one, in fire hole and No. two, fire hole is alternately arranged, on the basis meeting multiple interior fire hole quantitative requirement, solve the problem that fire hole spatial separation is less, ensure that the secondary supply of air, make combustion gas produce the blue flame with higher temperature, decrease the waste of combustion gas.In No. of external ring fire cover 1, in No. 6, two, fire hole, fire hole 5, outer shroud fire hole 8, stable flame hole 9 all communicate with the second blast tube 10, ensure that combustion gas can be transported to each fire hole place.
Further scheme, described interior ring fire cover 2 comprises the cylindrical shell 11 of under shed, is provided with round platform 12 above described cylindrical shell 11, and be provided with interface 13 below described cylindrical shell 11, described excuse is plugged in the center of fire cover base 3.The sidewall 14 of described cylindrical shell 11 offers the first oblique fire hole 15, and the below of the described first oblique fire hole 15 offers the second oblique fire hole 16, and the described first oblique fire hole 15 and the second oblique fire hole 16 are staggered.First oblique fire hole 15 and the second oblique fire hole 16 are inclined upwardly along interface 13 to round platform 12 direction, and the described first oblique fire hole 15 and the second oblique fire hole 16 are to external ring fire cover 1 jet flames.
Consult Fig. 1 known, the oblique fire hole of interior ring fire cover 2 becomes staggered form flame with the flame-shaped of the interior fire hole of external ring fire cover 1, and burning can be made more abundant, and burning is more even, improves the service efficiency of combustion gas.The aperture of the described first oblique fire hole 15 is 2.23mm, and the aperture of the described second oblique fire hole 16 is 1.5mm, and the quantity of the described first oblique fire hole 15 and the second oblique fire hole 16 is 24.First oblique fire hole 15 and the apertures of the second oblique fire hole 16 of aperture 1.5mm of 2.23mm arrange and make the burning that combustion gas can be more stable.First oblique fire hole 15 of described interior ring fire cover 2 all communicates with the 3rd blast tube 17 with the second oblique fire hole 16.
The better cutting ability of HPb59-1 ledrite, has good mechanical property, can bear hot and cold pressure processing and have good stability to general corrosion, is the preferred material of fire cover the most.Described interior ring fire cover 2 and external ring fire cover 1 adopt model to be HPb59-1 ledrite, and in production process, ring fire cover 2 and external ring fire cover 1 are easy to processing, and the production efficiency of enterprise can be made to improve.
The above is only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. a fire cover combination, comprise fire cover base, external ring fire cover and interior ring fire cover, external ring fire cover and interior ring fire cover are plugged in above fire cover base, interior ring fire cover is placed in external ring fire cover center, described external ring fire cover comprises circular lid, the outer side elevation of described lid is circumferentially provided with outer fire hole in direction, described interior ring fire cover comprises the cylindrical shell of under shed, it is characterized in that, the upper surface of lid is recessed to form taper seat to center, described taper seat is evenly distributed with several projection, taper seat between described projection offers fire hole in No., projection offers fire hole in No. two, the sidewall of described cylindrical shell offers the first oblique fire hole, the below of the described first oblique fire hole offers the second oblique fire hole, described first oblique fire hole and the second oblique fire hole are staggered.
2. a kind of fire cover combination according to claim 1, is characterized in that, in No. one, in fire hole and No. two, the aperture of fire hole is 1mm to 2mm.
3. a kind of fire cover combination according to claim 2, is characterized in that, in described No. one, in fire hole and No. two, the center line of fire hole intersects at directly over lid.
4. a kind of fire cover combination according to claim 3, is characterized in that, be provided with round platform above described cylindrical shell, be provided with interface below described cylindrical shell, and the described first oblique fire hole and the second oblique fire hole are inclined upwardly along being interfaced to round platform direction.
5. a kind of fire cover combination according to claim 4, it is characterized in that, the aperture of the described first oblique fire hole is 2mm to 2.5mm, and the aperture of the described second oblique fire hole is 1mm to 2mm, and the quantity of the described first oblique fire hole and the second oblique fire hole is 24.
6. a kind of fire cover combination according to claim 1, it is characterized in that, described interior ring fire cover and external ring fire cover adopt model to be HPb59-1 ledrite.
7. a kind of fire cover combination according to claim 6, it is characterized in that, the below of described outer fire hole is provided with stable flame hole, and outer fire hole and stable flame hole are staggered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520656274.6U CN204923124U (en) | 2015-08-27 | 2015-08-27 | Combination of fire lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520656274.6U CN204923124U (en) | 2015-08-27 | 2015-08-27 | Combination of fire lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204923124U true CN204923124U (en) | 2015-12-30 |
Family
ID=54972247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520656274.6U Expired - Fee Related CN204923124U (en) | 2015-08-27 | 2015-08-27 | Combination of fire lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204923124U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461741A (en) * | 2017-10-11 | 2017-12-12 | 杭州老板电器股份有限公司 | Burner and gas-cooker |
| CN108361778A (en) * | 2018-01-28 | 2018-08-03 | 昆山富凌能源利用有限公司 | Gas multi-orifice direct injection furnace end cover |
| CN110566957A (en) * | 2019-09-11 | 2019-12-13 | 宁波方太厨具有限公司 | Fire cover of kitchen range |
-
2015
- 2015-08-27 CN CN201520656274.6U patent/CN204923124U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461741A (en) * | 2017-10-11 | 2017-12-12 | 杭州老板电器股份有限公司 | Burner and gas-cooker |
| CN108361778A (en) * | 2018-01-28 | 2018-08-03 | 昆山富凌能源利用有限公司 | Gas multi-orifice direct injection furnace end cover |
| CN110566957A (en) * | 2019-09-11 | 2019-12-13 | 宁波方太厨具有限公司 | Fire cover of kitchen range |
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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: 20151230 Termination date: 20190827 |