CN207622021U - A kind of burner fire lid for gas-cooker - Google Patents
A kind of burner fire lid for gas-cooker Download PDFInfo
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- CN207622021U CN207622021U CN201721851776.XU CN201721851776U CN207622021U CN 207622021 U CN207622021 U CN 207622021U CN 201721851776 U CN201721851776 U CN 201721851776U CN 207622021 U CN207622021 U CN 207622021U
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Abstract
The utility model is related to a kind of burner fire lids for gas-cooker, including lid and the cover board being covered on lid, the lid is equipped with the main fiery channel of radial direction of circumferentially spaced arrangement, and the position above the neighbouring main fiery channel is equipped with steady flame channel circumferentially, the dilatation portion that the steady flame channel has cavity volume to become larger along fuel gas flow direction at the position of neighbouring outlet, it is characterized in that the cover board is completely covered by the main fiery channel and steady flame channel, and gear edge that is vertical or extending obliquely downward also circumferentially is formed at the outer rim of cover board, there is gap between gear edge and the periphery wall of lid corresponding site.The utility model can reduce the flow velocity of steady flame air-flow by dilatation portion, improve steady flame effect；It can prevent discharge from blocking main fiery channel and steady flame channel by keeping off edge and cover board, and the root that steady fireworks can be made to be directed at main flame is heated.
Description
Technical field
The utility model belongs to gas-cooker field, and in particular to a kind of burner fire lid for gas-cooker.
Background technology
Existing cooker burner generally uses traditional fire cover, and the generally annular fire cover of structure of traditional fire cover, it is by ring
Shape roof, annular inner side wall and annular outer side wall are constituted, and the bottom of ring-shaped fire cover is formed with annular through groove, the ring-shaped fire cover
Its circumferencial direction of annular outer side wall upper edge is provided with several main fire holes.In order to pursue higher efficiency, each producer burns in research and development
Primary air mass ratio of induced-to-inducing air all is being promoted when device, and primary air mass ratio of induced-to-inducing air causes flame serious from flame after being promoted.
In order to eliminate drawbacks described above, also there is fire cover to be equipped with steady flame device at present, such as Patent No. ZL201210418583.0
Disclosed in the patent of invention of (Authorization Notice No. CN102913911B)《Burner outer flame cover》Disclosed in steady flame device, adopt
With such structure, although can play the role of steady flame to a certain extent, steady flame is flowed with combustion gas stream from steady flame channel
If the speed gone out is excessive, steady flame effect can be still influenced.And since steady flame channel is horizontal by 0~60 ° of acute angle, lead to stove
Discharge easily flows into steady flame channel and results in blockage tool in use；In addition, the inner end due to steady flame channel connects with mixing chamber
Logical, so discharge can enter mixing chamber by steady flame channel, the discharge or dirt accumulated after long-time can be to gas in mixing chamber
The circulation of stream causes harmful effect, causes igniting, biography fire bad, and then influence the normal combustion of combustion gas.
The for another example utility model patent of Patent No. ZL201621253862.6 (Authorization Notice No. CN206361752U)
It is disclosed《One kind is prevented from flame mechanism》It is shown, including fire cover ontology and cover the plate-like cover board on fire cover ontology, the fire cover
The main fire hole that circumference is equally spaced is provided on the annular sidewall of ontology, the upper surface of the fire cover ontology is equipped with corresponding main fire hole
First is raised, and groove, upper table of first protrusion close to fire cover ontology madial wall one end are formed between the first adjacent protrusion
Face is equipped with the second protrusion, and the inner surface of the plate-like cover board and the upper surface of the second protrusion fit, the plate-like cover board and fire
Gap between the lateral wall of lid ontology forms steady flame slot.
It can be seen that from figure, the edge of the plate-like cover board of the patent has been downwardly extending gear edge, blocks in main fire hole
With the top of steady flame slot, it perhaps can prevent discharge from flowing into main fire hole or steady flame slot.But distance of the gear edge away from fire cover is not
By careful design, if apart from excessive, the combustion gas stream of main fire hole outflow easily strikes gear along upper, influences air-flow velocity；If distance
It is too small, still remain the risk that discharge falls into main fire hole.
In addition the flow velocity of the fuel gas flow flowed out from steady flame slot cannot control, and steady flame can be made to imitate if gas flow rate is larger
Fruit is bad.
Or the utility model such as Patent No. ZL201310059405.8 (Authorization Notice No. CN103162292B) is special
Disclosed in profit《A kind of burner outer flame cover》Shown, which improves steady flame by the way that flared section is arranged to reduce gas flow rate
Effect；And set the lower face of stopper to low inside and high outside inclined surface, to prevent discharge from blocking main fiery channel and steady flame channel.
Adjacent main fire hole is linked together by the fire cover by band-like stable flame hole, although can reach preferable steady flame effect.But it is main
The steady flame of flame essentially consists in the stabilization of flame root, and the steady fireworks of the patent can not be directed at main flame root heating.
In conclusion current burner fire lid could be improved in steady flame and in terms of preventing discharge from blocking fire hole.
Utility model content
Technical problem to be solved in the utility model be for the above-mentioned prior art present situation and provide one kind by ensuring
Steady flame fuel gas flow can be directed at main flame root and reach the burner fire lid for gas-cooker of preferably steady flame effect.
Another technical problem to be solved in the utility model is to provide one kind can be by reducing steady flame combustion gas stream
Flow velocity and the burner fire lid for gas-cooker for reaching steady flame purpose.
Another technical problem to be solved in the utility model is to provide a kind of soup discharge that can prevent cooking food
Flow into the burner fire lid for gas-cooker in main fiery channel and steady flame channel.
Technical solution is used by the utility model solves above-mentioned technical problem：A kind of burner fire for gas-cooker
Lid, including lid and the cover board being covered on lid, the main fiery channel of radial direction of the lid equipped with circumferentially spaced arrangement, and
And the position above the neighbouring main fiery channel is equipped with steady flame channel circumferentially, the steady flame channel is along fuel gas flow side
The dilatation portion for thering is cavity volume to become larger to the position in neighbouring outlet, it is characterised in that the cover board is completely covered by what residence was stated
Main fire channel and steady flame channel, and gear that is vertical or extending obliquely downward also circumferentially is formed at the outer rim of neighbouring cover board
Edge has gap between gear edge and the periphery wall of lid corresponding site.
To reach good anti-blocking and steady flame effect, the gap spacing d is 0.5~1.5mm.Gear along between lid
Discharge is set vertically to drip without falling into main fiery channel and steady flame channel with gap, but the gap cannot be too big, otherwise can make
The air-flow in main fire channel strikes and influences air velocity, can not be too small, otherwise can reduce blocking-proof result.
Preferably, the gap spacing d is 0.8~1.2mm.
To further increase anti-blocking and steady flame effect, the bottom face on the gear edge, can either higher than the upper edge in main fiery channel
So that steady flame is struck gear along downward diffusion with air-flow, to heat main flame root, and the air-flow of main fire hole will not be made to strike shadow
Ring air velocity.
A kind of structure in the dilatation portion is：The top of the lid is equipped in the periphery of the Upstream section in the steady flame channel
Annular groove circumferentially, the cover board, which is covered in, constitutes the dilatation portion on annular groove.The split-type design
Mode so that dilatation portion is readily cleaned, and groove is easy to process.
The Upstream section in the steady flame channel is that multiple radial steady flames that circumferentially spaced arrangement is arranged at the top of lid are logical
Road, naturally it is also possible to for the steady flame channel on lid circumferentially.
To make steady flame smoothly be flowed out out of annular groove with combustion gas stream, institute is higher than at the top of the madial wall of the annular groove
At the top of the lateral wall for stating annular groove.On the one hand the effect of the structure is to be flowed out out of groove with combustion gas stream convenient for steady flame, prevent
Only combustion gas stream is interrupted, and influences steady flame effect；Further aspect is that even if there is discharge to enter in annular groove, will not blow back into steady
In flame channel.
A kind of structure in the steady flame channel is：The Upstream section in the steady flame channel is to be opened in annular circumferentially spacedly
Stable flame hole on the madial wall of groove, it is easy to process.
To further increase steady flame effect, the stable flame hole tilts upwards from inside to outside, and being obliquely installed can play from steady
The effect of flame.
Another structure in the steady flame channel is：The top of the madial wall of the annular groove is equipped with circumferentially spaced point
The radial steady flame slot of cloth, the cover board are covered on radial steady flame slot and constitute the steady flame channel.The split-type design, convenient for steady
The cleaning in flame channel.
Another structure in the dilatation portion is：The top of the lid is equipped with circumferentially spaced radial steady fire
Slot, the cover board are covered on the steady fiery slot of the radial direction and constitute the steady flame channel；The radial steady fiery slot includes circumferentially
The interior steady fiery slot and outer steady fiery slot being spaced apart, and the groove depth of the interior steady fiery slot is deep less than the fluting of outer steady fiery slot
Degree, i.e., the described interior steady fiery slot are less than the vertical distance of the outer steady fiery slot and the cover board with the vertical distance D1 of the cover board
D2, to make to form the dilatation portion between outer steady fiery slot and the cover board.Steady flame is flow to combustion gas from interior steady fiery slot outer steady
Fiery slot, circulation area increase, and pressure reduces, and flow velocity is made to reduce, and can play the role of steady flame well.
The vertical distance D3 of the size of steady fireworks in order to control, the bottom face on the gear edge and the outer steady fiery slot be more than D1 and
Less than D2, D3 can make steady flame strike direction diffusion of the gear along backward main fiery channel with combustion gas stream between D1 and D2, right
Standard heats the combustion gas root of main flame, and steady flame effect is more preferable；And the size for being sized to determine steady fireworks of D3, because of steady fireworks mistake
The big or too small steady flame effect that can all influence to main flame.
A kind of structure in the main fiery channel is：The main fiery channel is the main fire hole being opened on lid peripheral wall, should
Main fire hole from-inner-to-outer tilts upwards, has the effect of from steady flame.
Another structure in the main fiery channel is：The lid includes the essentially identical upper cover body of radius of a circle under
Lid, the upper cover body are stacked in the top of lower cover, circumferentially spaced diameter are offered on the top of the lower cover
To main fiery slot, which constitutes the main fiery channel with upper cover body cooperation.The split-type design, convenient for main fiery channel
Cleaning.
Compared with prior art, the utility model is by being arranged the dilatation portion for stablizing steady flame air-flow so that from steady flame
Channel outflow combustion gas behind the dilatation portion flow velocity reduce, to reach good steady flame effect；And there is gear on cover board
The design on edge so that from the dilatation portion flow out combustion gas strike gear along rear generations turning and spread downwards, not only further
Flow velocity is reduced, so that steady fireworks is directed at the root heating of main flame always and is held main flame, it is ensured that steady flame effect；Together
When, cover board shelters from main fiery channel and steady flame channel completely, and the soup of cooking food can be prevented during the use of kitchen range
Discharge flows into main fiery channel and steady flame channel, avoids clogging.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment 1；
Fig. 2 is the decomposition diagram of Fig. 1；
Fig. 3 is the sectional view of Fig. 1；
Fig. 4 is the decomposition diagram of the utility model embodiment 2；
Fig. 5 is the sectional view of Fig. 4；
Fig. 6 is the structural schematic diagram of the utility model embodiment 3；
Fig. 7 is the decomposition diagram of Fig. 6；
Fig. 8 is the sectional view of the upper cover body of Fig. 7；
Fig. 9 is the partial sectional view of Fig. 6.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing embodiment.
Embodiment 1
As shown in Figures 1 to 3, this is used for burner fire lid of gas-cooker including being cricoid lid 1 and being covered in lid 1
On cover board 2, lid 1 is equipped with the main fiery channel of radial direction of circumferentially spaced arrangement, and the position above neighbouring main fiery channel
The radial steady flame channel of circumferentially spaced arrangement is installed, the radial steady flame channel is along fuel gas flow direction in the portion adjacent to outlet
There is the dilatation portion that cavity volume becomes larger in position.
The concrete structure in dilatation portion is：The top of lid 1 is equipped with circumferentially in the periphery of the Upstream section in steady flame channel
Annular groove 11, at the top of the madial wall of annular groove 11 higher than the lateral wall of annular groove 11 at the top of, cover board 2 is covered in the ring
Dilatation portion is constituted on connected in star 11.
In the present embodiment, radial steady flame channel is the steady flame being opened in circumferentially spacedly on the madial wall of annular groove 11
Hole 112,112 from-inner-to-outer of stable flame hole tilt upwards.Radial main fiery channel is the main fire hole being opened on the peripheral wall of lid 1
13, which tilts upwards.
To prevent soup discharge from flowing into main fiery channel and steady flame channel, and reach better steady flame effect；Cover board 2 is complete
It covers in main fiery channel and steady flame channel, and also circumferentially forms at the outer rim of neighbouring cover board 2 and extend straight down
Gear along 21, the gear along 21 bottom face higher than main fiery channel upper edge, and the gear along 21 with the periphery wall of 1 corresponding site of lid it
Between have gap.The spacing d in the gap is 0.5~1.5mm, preferably 0.8~1.2mm.
Steady flame combustion gas stream is after the outflow of stable flame hole 112, and into annular groove 11, circulation volume increases, flows decrease.So
The combustion gas stream flows out from annular groove 11 and strikes gear along 21 afterwards, turns and spreads downwards, flow velocity further slows down, and encounters bright
Fire in the periphery of steady flame channel 4 forms the steady fireworks flame a of whole circle after igniting, and can be directed at the combustion gas of the main flame b in main fiery channel
Root is heated, and to hold and stablize main flame b, prevents it from flame.
In the present embodiment, lid 1 and cover board 2 can rivet, and the lower face of cover board 2 forms the connector 22 extended downwardly,
Corresponding, the inside of lid 1 is equipped with the connecting hole 16 plugged for connector 22；Only cover board 2 can also be covered on lid 1.
Embodiment 2
As shown in Figure 4,5, embodiment 2 and embodiment 1 difference lies in：
The top of the madial wall of annular groove 11 is equipped with circumferentially spaced radial steady flame slot 111, and cover board 2 is covered in
Steady flame channel is constituted on the steady flame slot of the radial direction 111.The split-type design is convenient for the cleaning in steady flame channel so that steady flame channel is stifled
It is easy to operate as long as dismantling cleaning when plug.
Embodiment 3
As shown in Fig. 6~9, the dilatation portion of embodiment 3 and embodiment 1, steady flame channel, main fiery channel set-up mode not
Together, shown in specific as follows：
As shown in fig. 7, the set-up mode in main fire channel is：Lid 1 includes essentially identical annular in shape of radius of a circle
Upper cover body 14 and lower cover 15, upper cover body 14 be stacked in the top of lower cover 15, offered circumferentially on the top of lower cover 15
The main fiery slot 151 of radial direction being spaced apart, the radial main fiery slot 151 constitute main fiery channel with the cooperation of upper cover body 14.This is split type to set
Meter, convenient for the cleaning in main fiery channel.
As shown in Figure 8,9, the set-up mode in dilatation portion and steady flame channel is：Between the top of upper cover body 14 offers circumferentially
Every the steady fiery slot 12 of the radial direction of distribution, cover board 2 is covered in the radial steady flame channel of composition on the steady fiery slot 12 of the radial direction.
Radial steady fiery slot 12 includes circumferentially spaced interior steady fiery slot 121 and outer steady fiery slot 122, and interior steady fiery slot
121 groove depth is less than the groove depth of outer steady fiery slot 122, i.e., in the vertical distance D1 of steady fiery slot 121 and cover board 2 be less than it is outer
The vertical range D2 of steady fire slot 122 and cover board 2, to make to form dilatation portion between outer steady fiery slot 122 and cover board 2.And gear is along 21
The vertical range D3 of bottom end and outer steady fiery slot 122 is more than D1 and is less than D2, and steady flame effect is more preferable.
Steady flame combustion gas stream flow to outer steady fiery slot 122 from interior steady fiery slot 121, and circulation volume increases, flows decrease.And the combustion
Air-flow strikes gear along 21 after being flowed out from outer steady fiery slot 122, turns and spreads downwards, flow velocity further slows down, and encounters open fire and draws
Form the steady fireworks flame of whole circle in steady flame channels peripheral after combustion, and can be aligned main flame combustion gas root heating, with hold and it is steady
Fixed main flame, prevents it from flame.
From the foregoing, it will be observed that the steady fireworks in above-described embodiment are hidden in gear along 21 inside burnings, increase safety when using
Property, and the wind outside kitchen ventilator or window can be avoided to arrive, influence the combustion stability of steady fireworks.
Burner fire lid can be inner fire cover in above-described embodiment, or outer fire cover.Embodiment 1 and embodiment 2 are excellent
It is selected as inner fire cover, embodiment 3 is preferably outer fire cover.
In above-described embodiment, steady flame channel is multiple in the steady flame channel of the circumferentially spaced radial direction of 1 upper edge of lid, but
In fact the design of the utility model is applied equally to those steady flame channels circumferentially.
Claims (14)
1. a kind of burner fire lid for gas-cooker, including lid (1) and the cover board (2) that is covered on lid (1), the lid
Body (1) is equipped with the main fiery channel of radial direction of circumferentially spaced arrangement, and the position above the neighbouring main fiery channel is equipped with
Steady flame channel circumferentially, the steady flame channel have cavity volume to become larger along fuel gas flow direction at the position of neighbouring outlet
Dilatation portion, it is characterised in that the cover board (2) is completely covered by the main fiery channel and steady flame channel that residence is stated, and in neighbouring lid
Gear that is vertical or extending obliquely downward also circumferentially is formed at the outer rim of plate (2) along (21), the gear is along (21) and lid (1) phase
Answering has gap between the periphery wall at position.
2. the burner fire lid according to claim 1 for gas-cooker, it is characterised in that：The gap spacing (d)
For 0.5~1.5mm.
3. the burner fire lid according to claim 2 for gas-cooker, it is characterised in that：The gap spacing (d)
For 0.8~1.2mm.
4. the burner fire lid according to claim 1 for gas-cooker, it is characterised in that：Bottom end of the gear along (21)
Upper edge of the face higher than main fiery channel.
5. the burner fire lid according to claim 1 for gas-cooker, it is characterised in that：The top of the lid (1)
It is equipped with annular groove (11) circumferentially in the periphery of the Upstream section in the steady flame channel, the cover board (2) is covered in ring
The dilatation portion is constituted on connected in star (11).
6. the burner fire lid according to claim 5 for gas-cooker, it is characterised in that：On the steady flame channel
Swim the radial steady flame channel that section is multiple settings circumferentially spaced arrangement at the top of lid (1).
7. the burner fire lid according to claim 5 for gas-cooker, it is characterised in that：The annular groove (11)
Higher than the lateral wall of the annular groove (11) top at the top of madial wall.
8. the burner fire lid according to claim 6 for gas-cooker, it is characterised in that：The steady flame channel of radial direction it
Upstream section is the stable flame hole (112) being opened in circumferentially spacedly on the madial wall of annular groove (11).
9. the burner fire lid according to claim 8 for gas-cooker, it is characterised in that：The stable flame hole (112) is certainly
It tilts upwards from inside to outside.
10. the burner fire lid according to claim 6 for gas-cooker, it is characterised in that：The annular groove (11)
The top of madial wall be equipped with circumferentially spaced radial steady flame slot (111), the cover board (2) is covered in radial steady flame slot
(111) the steady flame channel of the radial direction is constituted on.
11. the burner fire lid according to claim 1 for gas-cooker, it is characterised in that：The top of the lid (1)
Equipped with circumferentially spaced radial steady fiery slot (12), the cover board (2) is covered on the steady fiery slot (12) of the radial direction and constitutes institute
The steady flame channel stated；The radial steady fiery slot (12) includes circumferentially spaced interior steady fiery slot (121) and outer steady fiery slot
(122), and the groove depth of the interior steady fiery slot (121) is less than the groove depth of outer steady fiery slot (122), i.e., the described interior steady fire
Slot (121) and the vertical distance (D1) of the cover board (2) be less than the outer steady fiery slot (122) it is vertical with the cover board (2) away from
From (D2), to make to form the dilatation portion between outer steady fiery slot (122) and the cover board (2).
12. the burner fire lid according to claim 11 for gas-cooker, it is characterised in that：Bottom of the gear along (21)
The vertical distance (D3) of end face and the outer steady fiery slot (122) is more than (D1) and is less than (D2).
13. the burner fire lid according to claim 1 for gas-cooker, it is characterised in that：The main fiery channel is
The main fire hole (13) being opened on lid (1) peripheral wall, main fire hole (13) from-inner-to-outer tilt upwards.
14. the burner fire lid according to claim 1 for gas-cooker, it is characterised in that：The lid (1) includes
The essentially identical upper cover body of radius of a circle (14) and lower cover (15), the upper cover body (14) are stacked in the upper of lower cover (15)
It is square, the main fiery slot (151) of circumferentially spaced radial direction is offered on the top of the lower cover (15), the radial main fiery slot
(151) the main fiery channel is constituted with upper cover body (14) cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721851776.XU CN207622021U (en) | 2017-12-26 | 2017-12-26 | A kind of burner fire lid for gas-cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721851776.XU CN207622021U (en) | 2017-12-26 | 2017-12-26 | A kind of burner fire lid for gas-cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207622021U true CN207622021U (en) | 2018-07-17 |
Family
ID=62830065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721851776.XU Active CN207622021U (en) | 2017-12-26 | 2017-12-26 | A kind of burner fire lid for gas-cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207622021U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959008A (en) * | 2017-12-26 | 2019-07-02 | 宁波方太厨具有限公司 | A kind of burner fire lid for gas-cooker |
| CN110220195A (en) * | 2019-05-28 | 2019-09-10 | 宁波方太厨具有限公司 | Fire cover for kitchen range |
| CN110566967A (en) * | 2019-10-10 | 2019-12-13 | 宁波方太厨具有限公司 | Fire cover and stove comprising same |
| CN111678133A (en) * | 2020-06-16 | 2020-09-18 | 宁波方太厨具有限公司 | Fire lid |
-
2017
- 2017-12-26 CN CN201721851776.XU patent/CN207622021U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959008A (en) * | 2017-12-26 | 2019-07-02 | 宁波方太厨具有限公司 | A kind of burner fire lid for gas-cooker |
| CN109959008B (en) * | 2017-12-26 | 2024-04-16 | 宁波方太厨具有限公司 | Burner fire cover for gas stove |
| CN110220195A (en) * | 2019-05-28 | 2019-09-10 | 宁波方太厨具有限公司 | Fire cover for kitchen range |
| CN110566967A (en) * | 2019-10-10 | 2019-12-13 | 宁波方太厨具有限公司 | Fire cover and stove comprising same |
| CN111678133A (en) * | 2020-06-16 | 2020-09-18 | 宁波方太厨具有限公司 | Fire lid |
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