CN108343958B - The burner of the fire cover of burner for gas-cooker, gas-cooker and gas-cooker - Google Patents
The burner of the fire cover of burner for gas-cooker, gas-cooker and gas-cooker Download PDFInfo
- Publication number
- CN108343958B CN108343958B CN201710057795.3A CN201710057795A CN108343958B CN 108343958 B CN108343958 B CN 108343958B CN 201710057795 A CN201710057795 A CN 201710057795A CN 108343958 B CN108343958 B CN 108343958B
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- China
- Prior art keywords
- fire cover
- fire
- burner
- body portion
- wall body
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
- F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/84—Flame spreading or otherwise shaping
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
Burner of the present invention about a kind of fire cover of burner for gas-cooker, gas-cooker and gas-cooker.Wherein, a kind of fire cover (5) of the burner (1) for gas-cooker, including lid portion (51) and circular wall body portion (52), the wall body portion (52) limits the recessed portion (50) of a receiving combustion gas, the fire cover (5) is equipped with the fire output hole (501) of multiple connection recessed portions (50), and the wall body portion (52) is equipped with air duct (500).Technical solution of the present invention can either the sufficient auxiliary air of region supplement near fire output hole, and do not disturb burned flame, it is ensured that abundant, the stable burning of the combustion gas of burner.
Description
[technical field]
The present invention relates to gas-cooker fields, refer in particular to the combustion of the fire cover, gas-cooker of a kind of burner for gas-cooker
Burner and a kind of gas-cooker.
[background technique]
Before combustion, the air pre-mixing that first suck with ejector pipe, mixed combustion gas is through burning for the combustion gas of gas-cooker
The fire output hole of device is flowed out and is ignited, and forms flame.The air being used for combustion gas mixing that will usually be sucked by ejector pipe in the industry
Referred to as primary air, and the air that combustion gas is supplemented in burning is known as auxiliary air, is generally flowed by burner surrounding air
Auxiliary air when supply burning.
But many times, the air flowing around burner can not meet needed for burning.Especially consumed in recent years
The big burner of the thermic load of person's favor is not only able to satisfy combustion needs by the air flowing around burner completely, is easy
Cause to burn insufficient, the thermal efficiency is low, moreover, fuel gas buring is insufficient, can generate to human body and the harmful gas of environment.
[summary of the invention]
It is an object of the present invention at least one above technical problem, provide a kind of improved for gas-cooker
The burner of the fire cover of burner, gas-cooker and gas-cooker.
To reach above-mentioned technical purpose, present invention firstly provides a kind of the following technical solutions: a kind of for gas-cooker
The fire cover of burner, including lid portion and circular wall body portion, the wall body portion limits the recessed portion of a receiving combustion gas, institute
The fire output hole that fire cover is equipped with multiple connection recessed portions is stated, the wall body portion is equipped with air duct.
It should be noted that " combustion gas " mentioned by the present invention is not limited to pure combustion gas, it further includes and air pre-mixing
Fuel gas mixture afterwards.For example, with the fuel gas mixture after the air pre-mixing of sucking at ejector pipe.
When burner combustion, the root area of i.e. flame is added since high temperature causes pressure larger near fire output hole
Limitation spatially, the air around burner can not reach this region, and therefore, this region needs most supplement auxiliary air
Region.If supplementing auxiliary air to burner using the component independently of fire cover, to add to the region near fire output hole,
The outgassing direction of air is inevitable towards fire output hole, although auxiliary air can be supplemented in this way, the airflow direction of auxiliary air with
Fuel gas flow direction is substantially opposite, and the air-flow of auxiliary air easily causes flame shake, combustion instability.
The beneficial effects of the present invention are, the wall body portion of fire cover is equipped with air duct, and air is flowed outwardly by wall body portion,
Air draught direction and combustion gas move towards substantially uniform, can either the sufficient secondary sky of region supplement near fire output hole
Gas, and do not disturb burned flame, it is ensured that abundant, the stable burning of combustion gas on burner；Moreover, the solution of the present invention pair
The appearance of fire cover does not constitute influence substantially.
In a kind of possible embodiment of the present invention, the air duct is embedded in the wall body portion.Air duct is hidden
It ensconces in wall body portion, it is not easy to contaminated and blocking, while this design does not influence the appearance of fire cover.
In a kind of possible embodiment of the present invention, the fire output hole is set in the wall body portion, and the air
The outlet in channel is located at the top of the fire output hole.Since burner is in burning, flame is all upwardly extended.Moreover, being
It prevents fire output hole contaminated or blocking, fire output hole is generally located on the side wall surface of fire cover, incline to form a circle in fire cover
The annular flame extended obliquely upward.And the region above fire output hole has the side wall of fire cover to stop, the air of burner internal can not
Reach the region, and the flame combustion of a ring shape causes pressure big, the air outside flame zone is also not easily accessible on fire output hole
The region of side.And present embodiment just solves this technical problem, and the flame of fire output hole is made more fully to burn.
In a kind of possible embodiment of the present invention, the wall body portion is equipped with multiple air ducts, and the air is logical
The import in road is located at the bottom surface in the wall body portion.To which when fire cover covers, after burner assembles, the air of supply is under
Side just naturally enters air duct.
In a kind of possible embodiment of the present invention, notch section is formed in the wall body portion, the air duct
Outlet is located at the notch section.Notch section can be formed in such a way that channel die is molding, can also pass through cutting or chamfer machining
Mode formed, so, can be convenient the manufacture of air duct, for example linearly extended hole is formed by boring bar tool,
Then the hole re-forms notch section not through wall body portion, the outlet of air duct is formed naturally；Certainly, it can also be initially formed
Notch section, then drill.The outlet of another convenience, air duct is located at notch section, can use the portion in wall body portion or lid portion
The outlet of air duct is blocked in position, prevents air duct contaminated or blocking.
In a kind of possible embodiment of the present invention, the notch section is formed in the top in the wall body portion.Such one
To come, aspect can facilitate manufacture, on the other hand, fire output hole can be set to the notch section, the available lid portion of fire output hole
It blocks, prevents from being blocked by soup or overflow.
In a kind of possible embodiment of the present invention, the notch section carries out chamfering by the top in the wall body portion
It is process, and the angle of chamfering is acute angle, the notch section includes inclined-plane, and the outlet of the air duct is located at described oblique
Face.
In a kind of possible embodiment of the present invention, the fire output hole is located at the inclined-plane.It can use lid portion guarantor
Fire output hole is protected, prevents from being blocked by soup or overflow.
In a kind of possible embodiment of the present invention, the air duct linear extension.It is easy to manufacture, it can be using brill
Hole tool drills to form the air duct.
In a kind of possible embodiment of the present invention, the outlet of the fire output hole and the air duct is located at the lid
Within the scope of the upright projection in body portion.
In a kind of possible embodiment of the present invention, the every two adjacent corresponding air of the fire output hole is logical
The outlet in road, and the outlet corresponding with its of the every two adjacent fire output hole is distributed in isosceles triangle.To air duct
It delivers air near each fire output hole, the root area of each flame can add to air, realize that air is uniformly defeated
It out and is distributed, so that the combustion gas of the fire output hole outflow in entire fire cover is all uniformly burnt.
In a kind of possible embodiment of the present invention, the corresponding air duct of each fire output hole goes out
Minimum range between mouthful is that center line air corresponding with its of 0.5mm~3mm and/or each fire output hole are logical
The angle of the center line of the outlet end in road is 0 °~45 °.The distance between fire output hole and air duct gas outlet are too far, air without
Method is transported near fire output hole, and the root area of flame can not add to sufficient auxiliary air；And if air duct goes out
Towards the direction of fire output hole, air draught is easy to disturbance fuel gas flow in the direction of mouth, causes flame to shake, combustion instability.
The improvement of present embodiment can solve this technical problem, deliver the air to fire output hole near zone.The sky that air duct comes out
The fuel gas flow head-on collision that gas airflow direction will not come out with fire output hole, does not interfere fuel gas flow and flame is caused to shake or shake,
Fuel gas buring is stablized.
In a kind of possible embodiment of the present invention, the lid portion and the integrally formed formation in wall body portion；Or
Person, the lid portion are formed in the wall portion body.
In a kind of possible embodiment of the present invention, the fire cover is interior ring fire cover.
The present invention also provides a kind of burners for gas-cooker comprising the fire cover of burner as described above.This hair
For bright burner other than with benefit possessed by fire cover above-mentioned, the appearance of burner of the present invention is very big there is no occurring
Change, consumer is acceptant.
In a kind of possible embodiment of the present invention, the burner includes burner base and intermediate member, described
Fire cover is located in the burner base, and the intermediate member is described recessed between the burner base and the fire cover
Concave portion and the burner base cooperatively form the cavity of a receiving combustion gas；The burner base is equipped with air intake,
The intermediate member includes hollow connecting cavity, and the entrance of the connecting cavity is directed at the air intake；The intermediate member tool
There is the outlet of the second connecting cavity, the second connecting cavity outlet is directed at the import of the air duct.Wherein, air intake can be
The opening communicated with atmosphere, air intake can also connect the air generating devices such as fan, blower, air pump.Due to centre
Component is between burner base and fire cover, under the use state of burner, intermediate member be it is not exposed, be hidden in combustion
Between burner pedestal and fire cover.To which intermediate member adds the appearance for not changing burner.
Here, the present invention also proposes a kind of gas-cooker comprising burner as described above.
[Detailed description of the invention]
Fig. 1 is the perspective view of the fire cover of one embodiment of the invention；
Fig. 2 is the cross-sectional view of the fire cover of one embodiment of the invention；
Fig. 3 is the explosive view of the burner of one embodiment of the invention；
Fig. 4 is the perspective view of the burner of one embodiment of the invention；
Fig. 5 is the cross-sectional view of the burner of one embodiment of the invention；
Fig. 6 is the perspective view of the burner base of one embodiment of the invention；
Fig. 7 is the perspective view of the intermediate member of one embodiment of the invention；
Fig. 8 is perspective view of the intermediate member shown in Fig. 7 under another angle；
Fig. 9 is the explosive view of the external ring fire cover of one embodiment of the invention；
Figure 10 is the cross-sectional view of the external ring fire cover of one embodiment of the invention.
Appended drawing reference:
1- burner；2- external ring fire cover；3- burner base；4- intermediate member；5- fire cover；10- lower cover；11- first
Lateral wall；12- roof；13- recess；The first composition of 14- portion；15,50- recessed portions；20- upper cover body；The second lateral wall of 21-；22-
Upper bottom wall；23- convex wall；The second composition of 24- portion；31,32- chambers；33- outer ring ejector pipe；34- inner ring ejector pipe；35- combustion gas is logical
Road；36- air supply import；The outlet of 37- air supply；40- connecting cavity；41- flange；51- lid portion；52- wall body portion；100-
Air gas flow path；100a- air inlet；The gas outlet 100b-；The first groove of 110-；The second groove of 120-；150,501- go out fire
Hole；200- holds air cavity；The entrance of 201- appearance air cavity；301- air intake；The entrance of 401- connecting cavity；The first connecting cavity of 402- goes out
Mouthful；The outlet of the second connecting cavity of 403-；500- air duct；500a- import；The outlet 500b-；510- hd top face；520- notch section；
The bottom surface 521-；The inclined-plane 5201-.
[specific embodiment]
To make to have further understanding to the purpose of the present invention, construction, feature and its function, hereby cooperate embodiment detailed
It is described as follows.
Here a kind of fire cover of burner for gas-cooker is first introduced, as depicted in figs. 1 and 2, wherein Fig. 1 is the present invention
The perspective view of the fire cover of one embodiment；Fig. 2 is the cross-sectional view of the fire cover of one embodiment of the invention.Fire cover 5 include lid portion 51 with
Circular wall body portion 52, lid portion 51 and wall body portion 52 are formed in a manner of integrally formed.Wall body portion 52 limits a receiving
The recessed portion 50 of combustion gas, wall body portion 52 are equipped with the fire output hole 501 of multiple connection recessed portions 50.Multiple fire output holes 501 are along wall body
Portion 52 it is circumferentially distributed, for the air that the fuel gas buring supplement come out to each fire output hole 501 in fire cover 5 is sufficient, wall body
Multiple linearly extended air ducts 500 are embedded in portion 52.The outlet 500b of air duct 500 is located at the upper of fire output hole 501
Side.
The notch section 520 for not running through wall body portion 52 is formed in wall body portion 52, the import 500a of air duct 500 is located at wall
The outlet 500b of the bottom surface 521 in body portion 52, air duct 500 is located at notch section 520.
Specifically, the notch section 520 of the present embodiment is formed in the top in wall body portion 52.Moreover, notch section 520 be by
The top in wall body portion 52 carries out chamfer machining and forms, and the angle of chamfering is acute angle.To which being process notch section 520 includes one
A inclined-plane 5201, fire output hole 501 are located at inclined-plane 5201, and the outlet 500b of air duct 500 is located at inclined-plane 5201 and is going out fire
The top in hole 501.Figure it is seen that in this way, the outlet 500b of fire output hole 501 and air duct 500 is located at lid portion 51
Within the scope of upright projection.It can prevent soup or overflow from polluting, blocking fire output hole and air duct.
Also, in order to be uniformly delivered to air near each fire output hole 501, every two adjacent fire output hole 501 is right
Answer the outlet 500b an of air duct 500, and the outlet of the air duct corresponding with its of every two adjacent fire output hole 501
500b is distributed in isosceles triangle.To which the air come out from an air duct 500 can be supplied to the combustion of two adjacent fire output holes 501
Gas burning.Moreover, the minimum range between the outlet 500b of the corresponding air duct of each fire output hole 501 is 3mm, one
The outlet of the corresponding air duct of the adjacent fire output hole of fire output hole and the left side, the fire output hole and the right it is adjacent fire output hole it is corresponding
The outlet of another air duct.Minimum range between the fire output hole and the outlet of the two air ducts is 3mm.Often
The angle of the center line of the outlet end of the center line of a fire output hole 501 air duct corresponding with its is 30 °.As shown in Fig. 2, lid
Body portion 51 includes hd top face 510, and the center line of fire output hole 501 is tilted relative to hd top face 510 to be extended, and air duct 500
The center line and hd top face 510 of outlet end are vertical.
The above is only one embodiment, by modifying and changing, can derive more embodiments.For example, aforementioned reality
It applies in example, the import 500a's and outlet 500b of 5 upper air passage 500 of fire cover is one-to-one.And the air in fire cover is logical
The quantity of the outlet in road can be more than the quantity of import, and in another embodiment, an import corresponds to multiple outlets.Such as wall
The import of two arcs extension is only included on the bottom surface 521 in body portion 52, and an import corresponds to multiple outlets.
The present invention also provides a kind of burners of gas-cooker, and referring to figure 3. to Figure 10, wherein Fig. 3 is that the present invention one is implemented
The explosive view of the burner of example；Fig. 4 is the perspective view of the burner of one embodiment of the invention；Fig. 5 is one embodiment of the invention
The cross-sectional view of burner；Fig. 6 is the perspective view of the burner base of one embodiment of the invention；Fig. 7 is one embodiment of the invention
The perspective view of intermediate member；Fig. 8 is perspective view of the intermediate member shown in Fig. 7 under another angle；Fig. 9 is that the present invention one is implemented
The explosive view of the external ring fire cover of example；Figure 10 is the cross-sectional view of the external ring fire cover of one embodiment of the invention.The burner 1 of gas-cooker by
Under it is supreme successively include burner base 3, intermediate member 4 and fire cover.Fire cover is located in burner base 3, and intermediate member 4 is located at
Between burner base 3 and fire cover.Wherein, fire cover includes external ring fire cover 2 and interior ring fire cover again.The interior ring fire cover of the present embodiment is adopted
Fire cover 5 described in previous embodiment, so, " interior ring fire cover " corresponds to label 5 in subsequent descriptions.Interior ring fire cover 5 includes
Lid portion 51 and circular wall body portion 52, wall body portion 52 limit the recessed portion 50 of a receiving combustion gas, and, it is set in wall body portion 52
There is the fire output hole 501 of multiple connection recessed portions 50.Recessed portion 50 and burner base 3 cooperatively form the chamber of a receiving combustion gas
32.Burner base 3 includes outer ring ejector pipe 33 and inner ring ejector pipe 34, and air is inhaled into from the opening on inner ring ejector pipe 34
Inner ring ejector pipe is flowed out from fire output hole 501 and is ignited to form interior after inner ring draws the combustion gas for setting pipe 34 and air arrival chamber 32
Ring flame.Multiple air ducts 500 are embedded in the wall body portion 52 of interior ring fire cover 5.The outlet 500b of air duct 500 is located at
The top of fire hole 501, with the air that the fuel gas buring supplement come out to each fire output hole 501 is sufficient.
Burner base 3 is equipped with air intake 301.Intermediate member 4 includes hollow connecting cavity 40, the entrance of connecting cavity
401 alignment air intakes 301 are burning as shown in figure 5, intermediate member 4 is equipped with the flange 41 of the entrance 401 around connecting cavity
Under the use state of device, flange 41 is inserted into air intake 301, so that air is transported to connecting cavity 40.In the present embodiment,
Air intake 301 connects air generating device, such as air blower (not shown).The entrance 401 of connecting cavity 40 is set to intermediate member 4
Bottom surface, the top surface of intermediate member 4 set there are four the first connecting cavity outlet 402 and multiple second connecting cavities outlet 403.Multiple
Two connecting cavities export 403 rounded distributions, and multiple first connecting cavity outlets 402 are disposed around multiple second connecting cavity outlets 403
Outside.The import 500a of each second connecting cavity outlet, 403 one air duct 500 of alignment.To, air from connecting cavity 40 to
Air duct 500 up on interior ring fire cover 5, and then near the fire output hole 501 being delivered on each interior ring fire cover 5.
External ring fire cover 2 includes lower cover 10 and upper cover body 20, and under the use state of external ring fire cover 2, the lid of upper cover body 20 is set
On lower cover 10, multiple radial air gas flow paths 100 are formed between upper cover body 20 and lower cover 10.Lower cover
The bottom of body 10 is formed with the recessed portion 15 for accommodating combustion gas, and recessed portion 15 matches with burner base 3 and forms a receiving
The chamber 31 of combustion gas.The fire output hole 150 that a circle is connected with chamber 31 is along the circumferential direction distributed in lower cover 10.Enter outer ring
Combustion gas and air in ejector pipe 33 enter chamber 31 by the blast tube 35 in burner base, finally by fire output hole
150 flow out and are ignited to form outer ring flame.
The upper cover body 20 and lower cover 10 of the present embodiment are in circular ring shape, include joining end to end at the inner ring of lower cover 10
, the first composition portion 14 that radial section is L-shaped, include end to end, radial section at the inner ring of upper cover body 20 in inverted L-shaped
The second composition portion 24, when upper cover body 20 is covered on lower cover 10, the first composition portion 14 and the second composition portion 24 composition hold gas
Chamber 200, and air gas flow path 100 is in communication with the outside air cavity 200 is held.Enter there are four being set in first composition portion 14 for air
Hold the entrance 201 of air cavity 200.Four the first connecting cavity outlets 402 are respectively aligned to the entrance 201 of four appearance air cavitys 200, thus from
The air that connecting cavity 40 flows out, which enters, holds air cavity 200.It is empty between upper cover body 20 and lower cover 10 to hold the air in air cavity 200
Gas airflow channel 100 is respectively delivered near each fire output hole 150.To what the fire output hole 150 on external ring fire cover 2 came out
Sufficient air supplement can be obtained in combustion gas.
And in order to allow air uniformly to supplement, the corresponding air gas flow path 100 of every two adjacent fire output hole 150 goes out
Port 100b, and the gas outlet 100b corresponding with its of every two adjacent fire output hole 150 is distributed in isosceles triangle.In addition, each going out
Minimum range between the gas outlet 100b of the corresponding air gas flow path of fire hole 150 is 2mm.Each fire output hole 150
The angle of the center line of the outlet port of center line air gas flow path corresponding with its is 20 °.
Lower cover 10 include circumferentially around the first lateral wall 11, upper cover body 20 include circumferentially around the second lateral wall
21.Multiple fire output holes 150 are set on the first lateral wall 11 and along circumferentially distributed, the air gas flow path of the first lateral wall 11
100 outlet 100b also is located on the first lateral wall 11.Soup or overflow pollution or blocking fire output hole and air in order to prevent
Airflow channel, as shown in Fig. 2, the outer diameter of upper cover body 20 is greater than the outer diameter of lower cover 10.
Lower cover 10 further includes roof 12 and the recess 13 towards upper cover body 20.Lower cover 20 further includes upper bottom wall 22 and recessed
The convex wall 23 that wall 13 matches.Roof 12 is connected with the first lateral wall 11, and recess 13 is connected with roof 12.In external ring fire cover 2
Under use state, roof 12 and upper bottom wall 22 are in contact, and recess 13 and convex wall 23 are in contact.Multiple first are formed on roof 12
Groove 110, multiple first grooves 110 are along the circumferentially equidistant distribution of lower cover 10, and the first groove 110 is along the radial direction of lower cover 10
Extend.Multiple second grooves 120, multiple radially extending along lower cover 10 of second groove 120 are formed on recess.The present embodiment
In, each air gas flow path 100 includes that be formed in the first of roof 12 groove 110 and the second groove for being formed on recess 13
120.First groove 110 is connected to the second groove 120.Moreover, the length of second groove 120 of the present embodiment is 20mm, it is greater than
The length of first groove 110.
The lateral surface of the present embodiment burner base 3 is additionally provided with multiple air supply imports 36, and in burner base 3
Medial surface is equipped with multiple air supply outlets 37 corresponding with air supply import 36 respectively.So, burner 1 is burning
When, air can also enter from air supply import 36, and reach burner internal region from air supply outlet 37.But depend this alone
The air supplemented a bit is not met by demand, so, the present embodiment has also carried out above-mentioned improvement.
As shown in Figure 4, it is seen then that the burner 1 of the present embodiment gas-cooker in appearance with the difference of existing burner not
It is very big, but it is compared to existing burner, and more sufficient air can be but supplemented in burner combustion.It needs to illustrate
It is that, when air intake, which is only communicated with atmosphere, just can provide enough air supplies, air intake can be not required to connection air and generate
Device.For example, in another embodiment, air intake 301 is the opening communicated with atmosphere.
Finally, the gas-cooker includes the burner 1 of previous embodiment the present invention also provides a kind of gas-cooker.
The present invention is described by above-mentioned related embodiment, however above-described embodiment is only to implement example of the invention.
It must be noted that the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, do not depart from spirit of the invention and
It is changed and retouched made by range, belongs to scope of patent protection of the invention.
Claims (16)
1. a kind of fire cover (5) of the burner (1) for gas-cooker, including lid portion (51) and circular wall body portion (52), institute
The recessed portion (50) that wall body portion (52) limits a receiving combustion gas is stated, the fire cover (5) is equipped with multiple connection recess
The fire output hole (501) in portion (50), which is characterized in that
The wall body portion (52) is equipped with air duct (500),
The fire output hole (501) is set on the wall body portion (52), and the outlet (500b) of the air duct (500) is located at
The top of the fire output hole (501).
2. fire cover (5) as described in claim 1, which is characterized in that be embedded the air duct in the wall body portion (52)
(500)。
3. fire cover (5) as described in claim 1, which is characterized in that the wall body portion (52) is equipped with multiple air ducts
(500), the import (500a) of the air duct (500) is located at the bottom surface (521) of the wall body portion (52).
4. fire cover (5) as claimed in claim 1 or 3, which is characterized in that be formed with notch section on the wall body portion (52)
(520), the outlet (500b) of the air duct (500) is located at the notch section (520).
5. fire cover (5) as claimed in claim 4, which is characterized in that the notch section (520) is formed in the wall body portion (52)
Top.
6. fire cover (5) as claimed in claim 4, the notch section (520) at the top of the wall body portion (52) by carrying out
Chamfer machining forms, and the angle of chamfering is acute angle, and the notch section (520) includes inclined-plane (5201), the air duct
(500) outlet (500b) is located at the inclined-plane (5201).
7. fire cover (5) as claimed in claim 6, which is characterized in that the fire output hole (501) is located at the inclined-plane (5201).
8. fire cover (5) as claimed in claim 4, which is characterized in that air duct (500) linear extension.
9. fire cover (5) as claimed in claim 4, which is characterized in that the fire output hole (501) and the air duct (500)
Outlet (500b) be located within the scope of the upright projection of the lid portion (51).
10. fire cover (5) as claimed in any one of claims 1-3, which is characterized in that the every two adjacent fire output hole
(501) outlet (500b) of a corresponding air duct (500), and the every two adjacent fire output hole (501) and its
The corresponding outlet (500b) is distributed in isosceles triangle.
11. fire cover (5) as claimed in claim 10, which is characterized in that corresponding described of each fire output hole (501)
Minimum range between the outlet (500b) of air duct (500) is 0.5mm~3mm and/or each fire output hole (501)
The angle of center line of outlet end of center line air duct (500) corresponding with its be 0 °~45 °.
12. fire cover (5) as claimed in any one of claims 1-3, which is characterized in that the lid portion (51) and the wall body
Portion (52) integrally formed formation；Alternatively, lid portion (51) the Yu Suoshu wall body portion (52) is separately formed.
13. fire cover (5) as claimed in any one of claims 1-3, which is characterized in that the fire cover (5) is interior ring fire cover.
14. a kind of burner (1) for gas-cooker, which is characterized in that including firing as in any one of the preceding claims
The fire cover (5) of burner (1).
15. burner (1) as claimed in claim 14, which is characterized in that including burner base (3) and intermediate member (4),
The fire cover (5) is located in the burner base (3), the intermediate member (4) be located at the burner base (3) with it is described
Between fire cover (5), the recessed portion (50) and the burner base (3) cooperatively form the cavity (32) for accommodating combustion gas；
The burner base (3) is equipped with air intake (301), and the intermediate member (4) includes hollow connecting cavity (40), described
The entrance (401) of connecting cavity (40) is directed at the air intake (301)；The intermediate member (4) exports with the second connecting cavity
(403), the second connecting cavity outlet (403) is directed at the import (500a) of the air duct (500).
16. a kind of gas-cooker, which is characterized in that including the burner (1) as described in claims 14 or 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710057795.3A CN108343958B (en) | 2017-01-23 | 2017-01-23 | The burner of the fire cover of burner for gas-cooker, gas-cooker and gas-cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710057795.3A CN108343958B (en) | 2017-01-23 | 2017-01-23 | The burner of the fire cover of burner for gas-cooker, gas-cooker and gas-cooker |
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| Publication Number | Publication Date |
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| CN108343958A CN108343958A (en) | 2018-07-31 |
| CN108343958B true CN108343958B (en) | 2019-11-19 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110360565B (en) * | 2019-07-07 | 2020-10-27 | 宁波方太厨具有限公司 | Split type fire cover and combustor with same |
| CN111550788B (en) * | 2020-05-08 | 2021-04-02 | 宁波方太厨具有限公司 | Fire lid |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2804636Y (en) * | 2005-05-27 | 2006-08-09 | 徐剑光 | Novel home gas range burner |
| US8932049B2 (en) * | 2007-12-14 | 2015-01-13 | Lg Electronics Inc. | Top-burner and cooker comprising the same |
| CN201885228U (en) * | 2010-08-03 | 2011-06-29 | 吴成年 | Combustor with function of multi-supply of secondary air |
| CN104534472B (en) * | 2014-12-11 | 2017-03-22 | 广东阿诗丹顿电气有限公司 | Burner cap and cooking utensil burner |
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| CN108343958A (en) | 2018-07-31 |
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