CN113944929A - Burner for gas stove - Google Patents
Burner for gas stove Download PDFInfo
- Publication number
- CN113944929A CN113944929A CN202010679162.8A CN202010679162A CN113944929A CN 113944929 A CN113944929 A CN 113944929A CN 202010679162 A CN202010679162 A CN 202010679162A CN 113944929 A CN113944929 A CN 113944929A
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- China
- Prior art keywords
- flame stabilizing
- hole
- flame
- cavity
- wall
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 202
- 239000007789 gas Substances 0.000 claims description 52
- 238000007789 sealing Methods 0.000 claims description 46
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 239000002737 fuel gas Substances 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 230000006641 stabilisation Effects 0.000 description 6
- 238000011105 stabilization Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005474 detonation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Images
Classifications
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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
- F23D14/02—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
- F23D14/26—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid with provision for a retention flame
-
- 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
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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
- F23D14/48—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
- F23D14/62—Mixing devices; Mixing tubes
- F23D14/64—Mixing devices; Mixing tubes with injectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/08—Arrangement or mounting of burners
- F24C3/085—Arrangement or mounting of burners on ranges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2203/00—Gaseous fuel burners
- F23D2203/007—Mixing tubes, air supply regulation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
The utility model relates to a burner for a gas stove, which is characterized in that: the utility model has the advantages that the utility model has three independent channels which are respectively and independently communicated with the outer ring cavity, the inner ring cavity and the flame stabilizing cavity, the burner can be matched with a three-channel valve body for use, and the flame stabilizing cavity channel can be opened and closed when the fire is switched: turning the small fire to the big fire, and starting; big fire changes little fire closure, and flame stabilizing cavity passageway and outer loop chamber passageway are synchronous switching action promptly, but outer loop chamber passageway and flame stabilizing cavity passageway keep apart, guarantee that the fire of the independence flame stabilizing cavity passageway of burning can not switch big or small fire, and when outer loop chamber passageway switched big or small fire or pressure sudden change, flame stabilizing cavity passageway can not influenced, guarantees the flame stabilizing effect.
Description
Technical Field
The utility model relates to the technical field of household cookers, in particular to a burner for a gas stove.
Background
In order to ensure efficient and normal combustion, gas burners generally require a main flame to be stabilized. In the prior art, the flame stabilization is generally performed by inserting small holes beside the main fire hole or combining the small holes by a slot structure. For example: the utility model discloses a burner which comprises an injection mixer, an outer fire injection nozzle, an inner fire injection nozzle, an airflow distribution chamber, an outer burner head and an inner burner head, wherein the outer burner head is provided with an inner conical surface and an outer conical surface, the vertexes of the inner conical surface and the outer conical surface are positioned at the highest point of the horizontal position of a circular ring of the outer burner head, strip-shaped outer ring main fire grooves and outer ring flame stabilizing grooves which are equal in number are arranged on the outer burner head, and the inner burner head is provided with inner main fire holes and inner flame stabilizing holes which are equal in number. The flame stabilizing method has great problems, mainly including the following two aspects: (1) the adoption of a small hole structure for flame stabilization can cause squeaking or poor flame stabilization; (2) the spilled liquid is difficult to clean after blocking the small holes. The applicant provides a chinese utility model patent with application number CN201721924269.4 (publication number CN208108097U), which relates to a flame stabilizing gas burner, comprising a base with an outer ring gas mixing chamber and a flame cover with an outer ring flame cover, wherein the outer ring flame cover comprises a flame cover body, the flame cover body comprises an outer ring wall, an inner ring wall and a top wall, and is formed with a gas mixing chamber, and a flame outlet is arranged on the outer ring wall or the top wall, a first flame stabilizing groove is arranged in the outer ring gas mixing chamber, a second flame stabilizing groove is arranged on the flame cover body, the first and the second flame stabilizing grooves are opposite from top to bottom, and inner chambers of the first and the second flame stabilizing grooves can be spliced into a closed flame stabilizing chamber, a flame stabilizing groove extending along the main flame outlet direction is arranged below the flame outlet, the flame stabilizing groove is communicated with the flame stabilizing chamber, and a flame inlet communicated with the gas mixing chamber is arranged on the chamber wall of the flame stabilizing chamber. The flame stabilizing cavity can effectively reduce the air outlet speed at the position of the flame stabilizing groove, so that the flame stabilizing groove can better exert the flame stabilizing effect, meanwhile, the detonation at the position of the flame stabilizing groove can be effectively avoided, and the flame stabilizing cavity is of a split structure, so that the flame stabilizing cavity is convenient to clean. Through setting up the steady flame groove and the steady flame chamber that communicates with the steady flame groove, can effectively reduce the speed of giving vent to anger of steady flame groove department through setting up the steady flame chamber, and then enable steady flame groove and exert steady flame effect better, can effectively avoid the detonation of steady flame groove department, but when near the combustor air current was too fast, there was the phenomenon of flame tempering in general combustor main fire hole, because steady flame characteristic (steady flame hole, steady flame groove) and main fire hole are a passageway, so the gas influence of the fluctuation in main fire hole to steady flame characteristic hole is also great.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a burner for a gas stove, which has little influence on gas in a flame stabilizing characteristic hole due to the fluctuation of a main fire hole, aiming at the current technical situation of the prior art.
The technical scheme adopted by the utility model for solving the technical problems is as follows: this a combustor for gas-cooker, its characterized in that: comprises that
A base;
the inner ring cavity is positioned in the center of the base;
the first injection pipe is communicated with the inner ring cavity;
the flame stabilizing cavity is independent from the inner ring cavity and is positioned at the periphery of the inner ring cavity;
the second injection pipe is communicated with the flame stabilizing cavity;
the outer annular cavity is independent of the flame stabilizing cavity and is positioned at the upstream position of the inner annular cavity along the airflow direction of the injection pipe;
the third injection pipe is communicated with the flame stabilizing cavity;
the sealing plate can cover the base and comprises a first opening, a second opening and a third opening, wherein the first opening is used for allowing fuel gas to flow out and communicated with the inner annular cavity, the second opening is communicated with the outer annular cavity, and the third opening is communicated with the flame stabilizing cavity;
the inner fire cover is arranged on the sealing plate and forms an inner ring air mixing chamber together with the inner ring cavity in an enclosing mode; and
the outer fire cover is also arranged on the sealing plate, and is enclosed into an outer ring gas mixing chamber together with the outer ring cavity and a flame stabilizing chamber independent of the outer ring gas mixing chamber together with the flame stabilizing cavity, and the flame stabilizing chamber is communicated with the flame stabilizing cavity.
For better positioning of the sealing plate, it is preferred that the base has a partition separating the inner annular chamber and the flame holding chamber, the sealing plate being arranged on the partition, the sealing plate comprising an outer sealing plate and an inner sealing plate which are capable of being superimposed on each other and which define the first opening, the second opening and the third opening.
In order to skillfully realize that the inner flame cover and the outer flame cover are placed on the sealing plate and simultaneously can separate the first opening, the second opening and the third opening, preferably, the outer sealing plate comprises a first plate body, the first plate body comprises a central hole, an inner ring plate body and an outer ring convex wall which are arranged around the periphery of the central hole at intervals along the radial direction, and an extension edge which continuously extends along the periphery of the outer ring convex wall, the inner ring plate body comprises a first flame stabilizing hole and a second flame stabilizing hole which take the central hole as the center, a third flame stabilizing hole which is arranged on the extension edge and corresponds to the first flame stabilizing hole, and a fourth flame stabilizing hole which is arranged on the extension edge and corresponds to the second flame stabilizing hole, and the first flame stabilizing hole, the second flame stabilizing hole, the third flame stabilizing hole and the fourth flame stabilizing hole are respectively communicated in fluid.
Furthermore, the inner sealing plate comprises a second plate body and a vertical convex wall arranged at the edge of the second plate body, a central hole communicated with the central hole is formed in the center of the second plate body, the second plate body is placed on the inner ring disc body of the first plate body through the vertical convex wall, so that the central hole and the central hole are arranged at intervals, at least two through holes which are in fluid communication with the first flame stabilizing hole, the second flame stabilizing hole, the third flame stabilizing hole or the fourth flame stabilizing hole are circumferentially arranged on the periphery of the central hole of the second plate body at intervals, the first flame stabilizing hole, the second flame stabilizing hole, the third flame stabilizing hole or the fourth flame stabilizing hole and the through holes jointly form a third opening, and the central hole jointly form a first opening. Wherein the first flame stabilizing orifice, the second flame stabilizing orifice, the third flame stabilizing orifice, or the fourth flame stabilizing orifice are in fluid communication with the through-hole and are fluidly decoupled from the central orifice. First flame stabilizing hole, second flame stabilizing hole, third flame stabilizing hole and fourth flame stabilizing hole
In order to realize mutual independence of the outer ring gas mixing chamber and the flame stabilizing chamber of the outer fire cover and realize the purpose that fluctuation of the main fire hole has little influence on gas of the flame stabilizing characteristic hole, preferably, the outer fire cover comprises an annular top wall, an outer ring wall extending downwards from the outer edge of the annular top wall from top to bottom, an inner ring wall extending downwards from the inner edge of the annular top wall from top to bottom, and an inner peripheral wall continuing to extend inwards from the inner ring wall, in a state that the outer fire cover is placed on the outer sealing plate and the inner sealing plate, the outer ring wall is jointed with the base, the inner ring wall is jointed with an outer ring convex wall of the outer sealing plate, the inner peripheral wall is jointed with a vertical convex wall of the inner sealing plate, the inner peripheral wall is jointed with an inner ring of the inner sealing plate, and the outer ring wall, the inner ring wall and the annular top wall of the outer fire cover jointly enclose the flame stabilizing chamber communicated with the flame stabilizing cavity, the inner ring wall, the vertical convex wall of the inner sealing plate, the inner circumferential wall and the annular top wall jointly enclose the outer ring air mixing chamber communicated with the outer ring cavity, and the second opening is formed in a connecting part between the inner ring disc body and the outer ring convex wall of the outer sealing plate.
Furthermore, a flame stabilizing hole and a flame stabilizing annular seam communicated with the flame stabilizing hole are formed in the circumferential direction of the annular top wall of the outer fire cover, and the flame stabilizing hole is communicated with the flame stabilizing chamber. The flame stabilizing annular gap can further reduce the flow rate of the outgoing fire hole.
Furthermore, the annular top wall of the outer fire cover is provided with at least two outgoing fire holes along the circumferential direction above the flame stabilizing hole, and each outgoing fire hole is communicated with the flame stabilizing chamber. The steady flame hole of outer fire lid is linked together with steady flame room to can independently carry out the steady flame control to outer fire lid, keep apart outer gas mixing chamber and steady flame room, guarantee the independence of burning, the fire in steady flame hole can not switch big or small fire, so when the hole of going out of outer fire lid switches big or small fire or pressure sudden change, steady flame hole can not receive the influence, guarantees steady flame effect.
In order to ensure the flame stabilizing effect of the inner fire cover, preferably, the inner fire cover comprises an inner ring annular wall and an outer ring annular wall which are arranged at an inner interval and an outer interval, the inner ring annular wall is surrounded to form a central cavity, the inner ring annular wall and the outer ring annular wall are together surrounded to form a peripheral cavity, the lower end of the inner ring annular wall abuts against the periphery of the central hole of the outer sealing plate, the lower end of the outer ring annular wall abuts against the periphery of the through hole of the inner sealing plate, the peripheral cavity is communicated with the flame stabilizing chamber through the through hole, and the central cavity is communicated with the inner ring gas mixing chamber. The peripheral cavity of the inner fire cover is isolated from the central cavity, so that fire outlet and flame stabilization of the inner fire outlet can be independently controlled.
Preferably, the inner fire cover further comprises a ring top wall connected with the inner ring annular wall and the outer ring annular wall, and the ring top wall is provided with an inner fire outlet communicated with the central cavity and an inner flame stabilizing hole communicated with the peripheral cavity.
In order to realize better flame stabilization of the inner flame outlet hole, preferably, a flame stabilizing slit communicated with the inner flame stabilizing hole is further formed in the ring top wall below the inner flame outlet hole, and the flame stabilizing slit is intersected with the inner flame outlet hole and communicated with the inner flame outlet hole. The same inner fire lid also is the binary channels mode, but the inner ring has the independent steady flame structure of oneself, the independent inner flame hole and the steady flame seam that is linked together with inner flame hole, and go out in order to cut broken form UNICOM between fire hole and the steady flame seam, form a special gas channel, when the combustor is in the state that contains only opening the inner ring, gas pressure does not reach when the biggest, the independent steady flame structure of inner ring, guarantee the stability of burning, and when the outer ring is in big fire state, because the periphery cavity and the steady flame chamber of inner fire lid are linked together, can form "dual steady flame" effect like this.
Compared with the prior art, the utility model has the advantages that the three independent channels which are respectively and independently communicated with the outer ring cavity, the inner ring cavity and the flame stabilizing cavity are provided, the burner can be matched with a three-channel valve body for use, and the flame stabilizing cavity channel can be opened and closed when the big and small fire is switched: turning the small fire to the big fire, and starting; big fire changes little fire closure, and flame stabilizing cavity passageway and outer loop chamber passageway are synchronous switching action promptly, but outer loop chamber passageway and flame stabilizing cavity passageway keep apart, guarantee that the fire of the independence flame stabilizing cavity passageway of burning can not switch big or small fire, so when outer loop chamber passageway switches big or small fire or pressure sudden change, flame stabilizing cavity passageway can not influenced, guarantees the flame stabilizing effect.
Drawings
Fig. 1 is a schematic structural view of a burner of a gas range according to an embodiment of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic structural diagram of an outer sealing plate according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an inner sealing plate according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a base according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view of FIG. 5;
FIG. 7 is a cross-sectional view of an outer fire cover in an embodiment of the present invention;
FIG. 8 is a schematic structural view of an inner fire cover in an embodiment of the present invention;
FIG. 9 is a cross-sectional view at an angle of FIG. 8;
FIG. 10 is a cross-sectional view at another angle of FIG. 8;
FIG. 11 is an angled cross-sectional view of an embodiment of the present invention;
FIG. 12 is a cross-sectional view of another angle of an embodiment of the present invention.
Detailed Description
The utility model is described in further detail below with reference to the accompanying examples.
As shown in FIGS. 1 to 12, the preferred embodiment of the present invention is shown. The burner for the gas stove of the embodiment comprises a base 1, an inner ring cavity 11 positioned in the center of the base 1, a first gas channel 11a communicated with the inner ring cavity 11, a flame stabilizing cavity 12 independent of the inner ring cavity 11 and positioned at the periphery of the inner ring cavity 11, a second gas channel 12a communicated with the flame stabilizing cavity 12, an outer ring cavity 13 independent of the flame stabilizing cavity 12 and positioned at the upstream position of the inner ring cavity 11 along the airflow direction of the injection pipe, a third gas channel 13a communicated with the outer ring cavity 13, and a closing plate 2 capable of covering the base 1, wherein the closing plate 2 comprises a first opening 21 which is used for allowing gas to flow out and is communicated with the inner ring cavity 11, a second opening 22 communicated with the outer ring cavity 13, a third opening 23 communicated with the flame stabilizing cavity 12, and an inner fire cover 3 which is arranged on the closing plate 2 and is enclosed with the inner ring cavity 11 to form an inner ring gas mixing chamber 30, and an outer fire cover 4 which is also arranged on the sealing plate 2, and jointly forms an outer ring gas mixing chamber 40 with the outer ring cavity 13 and a flame stabilizing chamber 120 independent from the outer ring gas mixing chamber 40 with the flame stabilizing cavity 12, wherein the flame stabilizing chamber 120 is communicated with the flame stabilizing cavity 12. Because this combustor has the independent three passageway of independent intercommunication outer ring chamber 13, inner ring chamber 11 and flame stabilizing chamber 12 respectively, this combustor can cooperate the three-channel valve body to use, and flame stabilizing chamber 12 passageway can be when big fire switch-over switching action: turning the small fire to the big fire, and starting; big fire changes little fire closure, and flame holding cavity 12 passageway and outer ring chamber 13 passageway are synchronous switching action promptly, but outer ring chamber 13 passageway and flame holding cavity 12 passageway keep apart, guarantee that the fire of independence flame holding cavity 12 passageway of burning can not switch big or small fire, so when outer ring chamber 13 passageway switches big or small fire or pressure sudden change, flame holding cavity 12 passageway can not influenced, guarantees the flame holding effect.
In particular, in order to better position plate 2, it is preferred that base 1 has a partition 14 separating inner annular chamber 11 from outer annular chamber 13, plate 2 being arranged on said partition 14, plate 2 comprising an outer plate 21 and an inner plate 22, which can be superimposed on each other and define a first opening 21, a second opening 22 and a third opening 23. In order to skillfully realize that the inner flame cover 3 and the outer flame cover 4 are placed on the closing plate 2 and simultaneously separate the first opening 21, the second opening 22 and the third opening 23, the outer closing plate 21 comprises a first plate body 211, the first plate body 211 comprises a central hole 212, an inner ring disc body 213 and an outer ring convex wall 214 which are arranged at intervals along the radial direction around the periphery of the central hole 212 and an extension 215 which continues to extend along the periphery of the outer ring convex wall 214, the inner ring disc body 213 is provided with a first flame stabilizing hole 216 and a second flame stabilizing hole 217 which are centered on the central hole 212, a third flame stabilizing hole 218 which is arranged on the extension 215 and corresponds to the first flame stabilizing hole 216 and a fourth flame stabilizing hole 219 which is arranged on the extension 215 and corresponds to the second flame stabilizing hole 217, and the first flame stabilizing hole 216, the second flame stabilizing hole 217, the third flame stabilizing hole 218 and the fourth flame stabilizing hole 219 are respectively communicated in a fluid manner. Wherein, the inner closing plate 22 includes a second plate 221 and a vertical protruding wall 222 disposed at the edge of the second plate 221, the second plate 221 has a central hole 2211 in the center thereof communicating with the central hole 212, the second plate 221 rests on the inner ring disc 213 of the first plate 211 through the vertical protruding wall 222, so that the central hole 2211 is disposed at intervals with the central hole 212, the second plate 221 is circumferentially disposed at intervals on the periphery of the central hole 2211 with at least two through holes 220 in fluid communication with the first flame stabilizing hole 216, the second flame stabilizing hole 217, the third flame stabilizing hole 218 or the fourth flame stabilizing hole 219, wherein the first flame stabilizing hole 216, the second flame stabilizing hole 217, the third flame stabilizing hole 218 or the fourth flame stabilizing hole 219 is in fluid communication with the through holes 220 and is in fluid separation from the central hole 2211, and the first flame stabilizing hole 216, the second flame stabilizing hole 217, the third flame stabilizing hole 218 or the fourth flame stabilizing hole 219 and the through holes 220 together form a third opening 23, the central hole 2211 and the central hole 212 together constitute the first opening 21. In order to achieve the objective of the utility model that the outer ring gas mixing chamber 40 and the flame holding chamber 120 of the outer fire cover 4 are independent from each other and the fluctuation of the main fire hole has little influence on the gas in the flame holding characteristic hole, preferably, the outer fire cover 4 comprises an annular top wall 41, an outer ring wall 42 extending downward from the top to the bottom from the outer edge of the annular top wall 41, an inner ring wall 43 extending downward from the top to the inner edge of the annular top wall 41, and an inner ring wall 44 continuing inward from the inner ring wall 43, in a state where the outer fire cover 4 is placed on the outer sealing plate 21 and the inner sealing plate 22, the outer ring wall 42 is engaged with the base 1, the inner ring wall 43 is engaged with the outer ring convex wall 214 of the outer sealing plate 21, the inner ring wall 44 is engaged with the vertical convex wall 222 of the inner sealing plate 22, the outer ring wall 42, the inner ring wall 43 and the annular top wall 41 of the outer fire cover 4 together enclose the flame holding chamber 120 communicated with the flame holding chamber 12, the inner ring wall 43, the inner ring wall 41, The vertical convex wall 222 of the inner sealing plate 22, the inner circumferential wall 44 and the annular top wall 41 together enclose an outer ring air mixing chamber 40 communicated with the outer ring cavity 13, and the second opening 22 is formed at the connecting part between the inner ring disc body 213 and the outer ring convex wall 214 of the outer sealing plate 21.
In addition, a flame stabilizing hole 411 and a flame stabilizing annular slit 412 communicated with the flame stabilizing hole 411 are circumferentially arranged on the annular top wall 41 of the outer fire cover 4, the flame stabilizing hole 411 is communicated with the flame stabilizing chamber 120, and the flow rate of the flame stabilizing hole 411 can be further reduced by the flame stabilizing annular slit 412. Meanwhile, at least two outgoing fire holes 413 are formed in the annular top wall 41 of the outer fire cover 4 along the circumferential direction on the flame stabilizing hole 411, each outgoing fire hole 413 is communicated with the flame stabilizing chamber 120, the flame stabilizing hole 411 of the outer fire cover 4 is communicated with the flame stabilizing chamber 120, so that flame stabilizing control on the outer fire cover 4 can be independently performed, the outer mixing chamber and the flame stabilizing chamber 120 are isolated, combustion independence is guaranteed, the fire of the flame stabilizing hole 411 cannot be switched into large and small fire, when the outgoing fire holes 413 of the outer fire cover 4 are switched into large and small fire or pressure mutation, the flame stabilizing hole 411 cannot be influenced, and a flame stabilizing effect is guaranteed. Also in order to ensure the flame stabilizing effect of the inner fire cover 3, preferably, the inner fire cover 3 includes an inner ring annular wall 31 and an outer ring annular wall 32 which are arranged at an inner side and an outer side at an interval, the inner ring annular wall 31 encloses a central cavity 34, the inner ring annular wall 31 and the outer ring annular wall 32 together enclose a peripheral cavity 33, the lower end of the inner ring annular wall 31 abuts against the periphery of the central hole 212 of the outer sealing plate 21, the lower end of the outer ring annular wall 32 abuts against the periphery of the through hole 220 of the inner sealing plate 22, the peripheral cavity 33 is communicated with the flame stabilizing chamber 120 through the through hole 220, the central cavity 34 is communicated with the inner ring air mixing chamber 30, and the peripheral cavity 33 of the inner fire cover 3 is isolated from the central cavity 34, so that the fire and the flame stabilizing of the inner fire outlet 351 can be independently controlled. The inner fire cover 3 further comprises a ring top wall 35 connecting the inner ring annular wall 31 and the outer ring annular wall 32, and the ring top wall 35 is provided with an inner fire outlet 351 communicated with the central cavity 34 and an inner flame stabilizing hole 352 communicated with the peripheral cavity 33. In order to realize better flame stabilization of the inner flame outlet hole 351, a flame stabilizing slit 353 communicated with the inner flame stabilizing hole 352 is further formed below the inner flame outlet hole 351 on the annular top wall 35, and the flame stabilizing slit 353 is intersected with and communicated with the inner flame outlet hole 351. Similarly, the inner flame cover 3 is in a double-channel mode, but the inner ring is provided with an independent flame stabilizing structure, an independent inner flame stabilizing hole 352 and a flame stabilizing slit 353 communicated with the inner flame stabilizing hole 352, and the inner flame outlet hole 351 is communicated with the flame stabilizing slit 353 in a cutting mode to form a special gas channel.
In summary, the burner for a gas stove of the present embodiment has three channels, which are respectively: the first gas channel 11a is communicated with the inner ring cavity 11, and the central cavity 34 and the inner fire outlet hole 351 of the inner fire cover 3 are communicated with the inner ring cavity 11; a second gas channel 12a communicated with the flame holding cavity 12 and communicated with the flame holding chamber 120 and the flame holding holes 411 of the outer flame cover 4 and the flame holding slits 353 communicated with the peripheral cavity 33 and the inner flame holding holes 352 of the inner flame cover 3, thereby pulling the outer flame holes 413 and 351 of the outer ring gas mixing chamber 40 of the outer flame cover 4 and the inner flame outlet holes 351 of the inner flame cover 3 communicated with the outer ring cavity 13; a third gas channel 13a communicated with the outer ring cavity 13, and an outgoing flame hole 413 communicated with the outer ring cavity 13, so as to separate the outer ring gas mixing chamber 40 and the flame stabilizing chamber 120, and ensure independence of combustion, the flame of the flame stabilizing hole 411 can not switch large and small flames, when the outgoing flame hole 413 of the outer flame cover 4 switches large and small flames or sudden pressure change, the flame stabilizing hole 411 can not be affected, and ensure flame stabilizing effect, but the inner flame stabilizing hole 352 and the flame stabilizing slit 353 of the embodiment can independently stabilize the flame of the inner flame outgoing hole 351 of the inner flame cover 3, and simultaneously, when the outgoing flame hole 413 of the outer flame cover 4 switches large flames, because the outer flame stabilizing hole 411 and the annular flame stabilizing slit 353 are communicated with the inner flame stabilizing hole 352 and the annular flame stabilizing slit 353 of the inner flame cover 3 independent of the outer flame cover 4, and are communicated with the flame stabilizing cavity 12 and are not affected by the switching of the large and small flames or the sudden pressure change of the flame stabilizing hole 413, therefore, the annular flame stabilizing slit 412, The flame stabilizing holes 411 can stabilize the flames of the outer flame outlet hole 413, the flame stabilizing slits 353 and the inner flame stabilizing holes 352, respectively, and the inner flame outlet holes 351 are relatively stable, so that the flame stabilizing effect can be ensured.
Claims (10)
1. A burner for a gas cooker, characterized in that: comprises that
A base (1);
an inner ring cavity (11) located at the center of the base (1);
the first gas channel (11a) is communicated with the inner ring cavity (11);
a flame holding cavity (12) which is independent of the inner annular cavity (11) and is positioned at the periphery of the inner annular cavity (11);
a second gas channel (12a) communicated with the flame stabilizing cavity (12);
the outer annular cavity (13) is independent of the flame stabilizing cavity (12) and is positioned at the upstream position of the inner annular cavity (11) along the airflow direction of the injection pipe;
a third gas channel (13a) communicated with the flame stabilizing cavity (12);
the sealing plate (2) can cover the base (1) and comprises a first opening (21) through which fuel gas can flow out and which is communicated with the inner annular cavity (11), a second opening (22) which is communicated with the outer annular cavity (13) and a third opening (23) which is communicated with the flame stabilizing cavity (12);
the inner fire cover (3) is arranged on the sealing plate (2) and forms an inner ring air mixing chamber (30) together with the inner ring cavity (11); and
outer fire lid (4), equally also set up on shrouding (2), with outer ring cavity (13) enclose into outer loop gas mixing chamber (40) jointly and with flame holding chamber (12) enclose into flame holding chamber (120) independently outer loop gas mixing chamber (40) jointly, flame holding chamber (120) with flame holding chamber (12) are linked together.
2. Burner for gas cooktops according to claim 1, characterized in that: the base (1) is provided with a partition (14) for separating an inner annular cavity (11) and a flame stabilizing cavity (12), the sealing plate (2) is arranged on the partition (14), and the sealing plate (2) comprises an outer sealing plate (21) and an inner sealing plate (22) which can be mutually overlapped and form a first opening (21), a second opening (22) and a third opening (23).
3. Burner for gas cooktops according to claim 2, characterized in that: the outer closing plate (21) comprises a first plate body (211), the first plate body (211) comprises a center hole (212), an inner ring plate body (213) and an outer ring convex wall (214) which are arranged around the periphery of the center hole (212) at intervals in the radial direction, and an extension edge (215) which extends along the periphery of the outer ring convex wall (214) continuously, the inner ring plate body (213) is provided with a first flame stabilizing hole (216) and a second flame stabilizing hole (217) which take the center hole (212) as the center, a third flame stabilizing hole (218) which is arranged on the extension edge (215) and corresponds to the first flame stabilizing hole (216) and a fourth flame stabilizing hole (219) which is arranged on the extension edge (215) and corresponds to the second flame stabilizing hole (217), and the first flame stabilizing hole (216), the second flame stabilizing hole (217), the third flame stabilizing hole (218) and the fourth flame stabilizing hole (219) are in fluid communication with each other.
4. Burner for gas cooktops according to claim 3, characterized in that: the inner sealing plate (22) comprises a second plate body (221) and a vertical convex wall (222) arranged at the edge of the second plate body (221), the center of the second plate body (221) is provided with a central hole (2211) communicated with the central hole (212), the second plate body (221) is placed on an inner ring disc body (213) of the first plate body (211) through the vertical convex wall (222), so that the central hole (2211) and the central hole (212) are arranged at intervals, the second plate body (221) is provided with at least two through holes (220) which are circumferentially and alternately communicated with the first flame stabilizing hole (216), the second flame stabilizing hole (217), the third flame stabilizing hole (218) or the fourth flame stabilizing hole (219) at the periphery of the central hole (2211), wherein the first flame stabilizing hole (216), the second flame stabilizing hole (217), the third flame stabilizing hole (218) or the fourth flame stabilizing hole (219) and the through holes (220) form a third opening (23), the central hole (2211) and the central hole (212) jointly form a first opening (21).
5. Burner for gas cooktops according to claim 4, characterized in that: the outer fire cover (4) comprises an annular top wall (41), an outer annular wall (42) extending downwards from the outer edge of the annular top wall (41) from top to bottom, an inner annular wall (43) extending downwards from the inner edge of the annular top wall (41) from top to bottom and an inner annular wall (44) continuing to extend inwards from the inner annular wall (43), the outer annular wall (42) is jointed with the base (1) under the condition that the outer fire cover (4) is placed on the outer sealing plate (21) and the inner sealing plate (22), the inner annular wall (43) is jointed with an outer annular convex wall (214) of the outer sealing plate (21), the inner annular wall (44) is jointed with a vertical convex wall (222) of the inner sealing plate (22), the outer annular wall (42) of the outer fire cover (4), the inner annular wall (43) and the annular top wall (41) jointly enclose the flame stabilizing chamber (120) communicated with the flame stabilizing cavity (12), the inner ring wall (43), the vertical convex wall (222) of the inner sealing plate (22), the inner circumferential wall (44) and the annular top wall (41) jointly enclose the outer ring air mixing chamber (40) communicated with the outer ring cavity (13), and the second opening (22) is formed in a connecting part between the inner ring disc body (213) and the outer ring convex wall (214) of the outer sealing plate (21).
6. Burner for gas cooktops according to claim 5, characterized in that: the annular top wall (41) of the outer fire cover (4) is circumferentially provided with a flame stabilizing hole (411) and a flame stabilizing annular gap (412) communicated with the flame stabilizing hole (411), and the flame stabilizing hole (411) is communicated with the flame stabilizing chamber (120).
7. Burner for gas cooktops according to claim 6, characterized in that: the annular top wall (41) of the outer flame cover (4) is provided with at least two outgoing flame holes (413) along the circumferential direction on the flame stabilizing hole (411), and each outgoing flame hole (413) is communicated with the flame stabilizing chamber (120).
8. Burner for gas cooktops according to claim 7, characterized in that: the inner fire cover (3) comprises an inner ring annular wall (31) and an outer ring annular wall (32) which are arranged at an inner interval and an outer interval, a central cavity (34) is defined by the inner ring annular wall (31), a peripheral cavity (33) is defined by the inner ring annular wall (31) and the outer ring annular wall (32), the lower end of the inner ring annular wall (31) is abutted to the periphery of a central hole (212) of the outer sealing plate (21), the lower end of the outer ring annular wall (32) is abutted to the periphery of a through hole (220) of the inner sealing plate (22), the peripheral cavity (33) is communicated with the flame stabilizing chamber (120) through the through hole (220), and the central cavity (34) is communicated with the inner ring air mixing chamber (30).
9. Burner for gas cooktops according to claim 8, characterized in that: the inner fire cover (3) further comprises a ring top wall (35) connected with the inner ring annular wall (31) and the outer ring annular wall (32), and the ring top wall (35) is provided with an inner fire outlet hole (351) communicated with the central cavity (34) and an inner flame stabilizing hole (352) communicated with the peripheral cavity (33).
10. Burner for gas cooktops according to claim 9, characterized in that: the ring top wall (35) is further provided with a flame stabilizing slit (353) communicated with the inner flame stabilizing hole (352) below the inner flame outlet hole (351), and the flame stabilizing slit (353) is intersected with the inner flame outlet hole (351) and communicated with the inner flame outlet hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010679162.8A CN113944929A (en) | 2020-07-15 | 2020-07-15 | Burner for gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010679162.8A CN113944929A (en) | 2020-07-15 | 2020-07-15 | Burner for gas stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113944929A true CN113944929A (en) | 2022-01-18 |
Family
ID=79326454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010679162.8A Pending CN113944929A (en) | 2020-07-15 | 2020-07-15 | Burner for gas stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113944929A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014127727A1 (en) * | 2013-02-20 | 2014-08-28 | 浙江美大实业股份有限公司 | Air-blowing full, pre-mixed integrated stove |
| CN208983352U (en) * | 2018-10-18 | 2019-06-14 | 杭州老板电器股份有限公司 | Interior ring fire cover, burner and gas-cooker |
| CN210398910U (en) * | 2019-06-18 | 2020-04-24 | 宁波方太厨具有限公司 | Burner for gas stove |
-
2020
- 2020-07-15 CN CN202010679162.8A patent/CN113944929A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014127727A1 (en) * | 2013-02-20 | 2014-08-28 | 浙江美大实业股份有限公司 | Air-blowing full, pre-mixed integrated stove |
| CN208983352U (en) * | 2018-10-18 | 2019-06-14 | 杭州老板电器股份有限公司 | Interior ring fire cover, burner and gas-cooker |
| CN210398910U (en) * | 2019-06-18 | 2020-04-24 | 宁波方太厨具有限公司 | Burner for gas stove |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220118 |