Combustor header with combined flow splitter

Abstract

The application discloses a burner furnace end with a combined flow distribution seat, which comprises a flow distribution seat and a fire cover assembly arranged on the flow distribution seat. The flow distribution seat comprises a lower seat body and an upper seat body. The lower seat body is provided with a first injection pipe. A first connecting port, which is in communication with the first injection pipe, is arranged on the upper end surface of the lower seat body. The upper seat body is arranged above the lower seat body. The upper seat body comprises an outer ring part, an inner ring part arranged on the inner side of the outer ring part and a flow distribution plate connecting the inner ring part and the outer ring part. A first gas groove is formed between the outer ring part, the inner ring part and the upper end surface of the lower seat body. The fire cover assembly comprises a first fire cover which is arranged above the first gas groove. The first gas groove is connected to the first injection pipe through the first connecting port. The flow distribution plate is arranged above the first connecting port so as to guide the gas to enter the first gas groove from both sides above the first connecting port. When the upper seat body is arranged on the lower seat body, the gas distribution structure of the burner furnace end can be directly formed, and the structure is simple and convenient to produce.

Description

Technical Field

[0001] This invention relates to the field of gas stoves, and in particular to a burner head employing a combined flow divider. Background Technology

[0002] The burner head of a gas stove generally includes a distribution seat and a burner cap on the distribution seat. The distribution seat is equipped with an injector and a gas channel. The number of injectors and gas channels is configured according to the specific burner head. The gas channel and injector are distributed in the upper and lower parts of the distribution seat, respectively. In the prior art, such as the invention patent with Chinese patent number "CN201710337805.9" entitled "Gas stove and burner cap, burner head and burner for gas stove", the disclosed burner cap base forms a gas channel, and the injector is set on the burner base. Although it meets the gas distribution requirements, in addition to the injector, the burner base is also equipped with a gas distribution structure corresponding to the burner cap base. At the same time, the burner cap base also has a complete gas passage (gas channel), which is complex and makes mold design very troublesome during production. Summary of the Invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a burner head employing a combined flow divider.

[0004] According to a first aspect embodiment of the present invention, a burner head employing a combined flow divider includes a flow divider and a flame cap assembly disposed on the flow divider. The flow divider has a gas groove, and the flame cap assembly is mounted on the gas groove. The flow divider includes a lower body and an upper body. The lower body is provided with a first injector tube, and a first connection port communicating with the first injector tube is provided on the upper end face of the lower body. The upper body is mounted above the lower body. The upper body includes an outer ring portion, an inner ring portion located inside the outer ring portion, and a flow divider plate connecting the inner ring portion and the outer ring portion. An upwardly opening first gas groove is formed between the outer ring portion, the inner ring portion, and the upper end face of the lower body. The flame cap assembly includes a first flame cap mounted on the upper surface of the first gas groove. The first gas groove is connected to the first injector tube through the first connection port, and the flow divider plate is located above the first connection port to guide gas from both sides above the first connection port into the first gas groove. An upper air intake channel is formed on the inner side of the inner ring portion.

[0005] The burner head with a combined flow divider according to an embodiment of the present invention has at least the following advantages: the lower body is used to set the first ejector tube, the first ejector tube has a first connection port located on the upper end face of the lower body, and no gas distribution structure is required; the upper body is set as an annular structure, and when the upper body is installed on the lower body, its annular structure cooperates with the upper end of the lower body to form an annular opening upward first gas groove, and the first gas groove is directly connected to the first ejector tube through the first connection port located on the upper end face of the lower body, thereby realizing gas distribution of the burner head. The structure is simple and easy to produce.

[0006] According to some embodiments of the present invention, the diverter plate has diverter holes extending through its upper and lower surfaces.

[0007] According to some embodiments of the present invention, the upper body further includes an inner flame ring portion, the inner flame ring portion being located inside the inner ring portion, the inner flame ring portion being connected to the inner ring portion via at least one connecting portion, the inner side of the inner flame ring portion forming an upwardly opening second gas groove, the flame cap assembly including a second flame cap covering the second gas groove, the connecting portion having a connecting channel communicating the first gas groove and the second gas groove, and the upper air intake channel being formed between the inner flame ring portion and the inner ring portion.

[0008] According to some embodiments of the present invention, the connecting portion is configured as two and distributed on opposite sides of the inner fire ring portion, the two connecting portions are distributed along the length direction of the first ejector tube, and the connecting channel in one of the connecting portions communicates with the upper part of the first connecting port.

[0009] According to some embodiments of the present invention, the connecting part is an elongated structure with an inverted U-shaped cross-section, and when the upper seat is installed on the lower seat, the connecting part and the upper end face of the lower seat form the connecting channel.

[0010] According to some embodiments of the present invention, the two connecting portions divide the gap between the inner fire ring portion and the inner ring portion into two parts, forming two upper air intake channels. The first ejector tube has through holes on both sides corresponding to the two upper air intake channels respectively. The burner head also includes a base. The flow divider is installed above the base. The base is respectively provided with an ignition needle and a sensing needle. The ignition needle extends through one of the upper air intake channels to the upper part of the burner head, and the sensing needle extends through the other upper air intake channel to the upper part of the burner head.

[0011] According to some embodiments of the present invention, the lower seat is provided with a second ejector tube, and a second connection port communicating with the second ejector tube is provided on the upper end face of the lower seat. The upper seat also includes an inner flame ring portion, which is located inside the inner ring portion. The inner flame ring portion is connected to the inner ring portion through at least one connection portion. An upwardly opening second gas groove is formed between the inner flame ring portion and the upper end face of the lower seat. The second connection port communicates with the second gas groove. The flame cap assembly includes a second flame cap that is mounted on top of the second gas groove.

[0012] According to some embodiments of the present invention, the connecting portions are configured as four and evenly distributed in a ring between the inner fire ring portion and the inner ring portion to form four upper air intake channels, wherein two opposite connecting portions are distributed along the length direction of the first ejector tube, and the other two opposite connecting portions are distributed along the length direction of the second ejector tube, and the lower seat body is provided with four through holes that correspond one-to-one with the four upper air intake channels.

[0013] According to some embodiments of the present invention, a base is also included, and the diverter is mounted above the base, wherein,

[0014] The base is provided with a first air intake channel extending from bottom to top, a first air intake interface is provided at the lower part of the first air intake channel, and a first nozzle corresponding to the air intake port of the first ejector tube is provided at the upper part of the first air intake channel.

[0015] The base is provided with a second air intake channel extending from bottom to top. The lower part of the second air intake channel is provided with a second air intake interface, and the upper part of the second air intake channel is provided with a second nozzle corresponding to the air intake of the second ejector tube.

[0016] According to some embodiments of the present invention, the inner ring portion and the outer ring portion are connected by a plurality of external connections. Attached Figure Description

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0018] Figure 1 This is one of the structural schematic diagrams of a burner head with dual ejector tubes according to an embodiment of the present invention;

[0019] Figure 2 This is a second schematic diagram of the structure of a burner head with dual ejector tubes according to an embodiment of the present invention;

[0020] Figure 3 This is one of the exploded view diagrams of the burner head with dual ejector tubes according to an embodiment of the present invention;

[0021] Figure 4 This is the second exploded view of the burner head with dual ejector tubes according to an embodiment of the present invention;

[0022] Figure 5 This is a schematic diagram of the structure of the burner head concealed flame cap assembly with dual ejector tubes according to an embodiment of the present invention.

[0023] Figure 6 This is a schematic diagram of the front structure of the burner head with dual ejector tubes according to an embodiment of the present invention.

[0024] Figure 7 for Figure 6 Schematic diagram of the cross section of AA;

[0025] Figure 8 for Figure 6 A cross-sectional schematic diagram of BB;

[0026] Figure 9 This is one of the structural schematic diagrams of a burner head with a single ejector tube and a double flame cap according to an embodiment of the present invention;

[0027] Figure 10 This is the second schematic diagram of the burner head with a single ejector tube and double flame cap according to an embodiment of the present invention.

[0028] Figure 11 This is one of the exploded view diagrams of the burner head with a single ejector tube and double flame cap according to an embodiment of the present invention;

[0029] Figure 12 This is the second exploded view of the burner head of the single ejector tube with double flame cap according to an embodiment of the present invention;

[0030] Figure 13 This is a schematic diagram of the burner head concealing the flame cap assembly of the single ejector tube double flame cap according to an embodiment of the present invention.

[0031] Figure 14 This is a schematic cross-sectional view of the burner head with a single ejector tube and double flame cap according to an embodiment of the present invention.

[0032] Figure 15 This is a schematic diagram of the structure of a burner head with a single ejector tube and a single flame cap according to an embodiment of the present invention;

[0033] Figure 16 This is an exploded view of the burner head of a single ejector tube and single flame cap according to an embodiment of the present invention.

[0034] Figure 17 This is a schematic diagram of the structure of the burner head with a single ejector tube and a single flame cap, after the flame cap assembly is hidden, according to an embodiment of the present invention.

[0035] Figure 18 This is a schematic cross-sectional view of the burner head with a single ejector tube and a single flame cap according to an embodiment of the present invention.

[0036] Figure label:

[0037] 100 branch outlets;

[0038] Flame cap assembly 200, first flame cap 210, second flame cap 220;

[0039] The lower body 300, the first ejector tube 310, the first connection port 311, the through hole 312, the second ejector tube 320, and the second connection port 321;

[0040] Upper body 400, outer ring 410, inner ring 420, flow divider 430, flow divider hole 431, inner fire ring 440, connecting part 450, external connection part 460;

[0041] Base 500, first air intake channel 501, first air intake interface 502, first nozzle 510, second air intake channel 503, second air intake interface 504, second nozzle 520;

[0042] Ignition needle 610, sensing needle 620;

[0043] First gas tank 901, second gas tank 902, upper air intake channel 903, connecting channel 904. Detailed Implementation

[0044] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0045] In the description of this invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0046] In the description of this invention, the use of "first" and "second" is for the purpose of distinguishing technical features only, and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or the order of the technical features indicated.

[0047] In the description of this invention, unless otherwise explicitly defined, terms such as "set up," "install," and "connect" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this invention in conjunction with the specific content of the technical solution.

[0048] like Figures 1 to 18 As shown, the burner head with a combined flow divider according to an embodiment of the present invention includes a flow divider 100 and a flame cap assembly 200 disposed on the flow divider 100. The flow divider 100 has a gas groove, and the flame cap assembly 200 is mounted on the gas groove. After the gas is distributed through the gas groove of the flow divider 100, it is ejected through the flame hole of the flame cap assembly 200 and ignited for combustion.

[0049] The diversion seat 100 includes a lower seat body 300 and an upper seat body 400.

[0050] The lower seat 300 is provided with a first ejector tube 310, and a first connection port 311 communicating with the first ejector tube 310 is provided on the upper end face of the lower seat 300; the upper seat 400 is installed above the lower seat 300, and the upper seat 400 includes an outer ring portion 410, an inner ring portion 420 located inside the outer ring portion 410, and a diverter plate 430 connecting the inner ring portion 420 and the outer ring portion 410. The outer ring portion 410, the inner ring portion 420, and the upper part of the lower seat 300 are connected together. A first gas trough 901 with an upward opening is formed between the end faces. The burner assembly 200 includes a first burner cap 210 covering the first gas trough 901. The first gas trough 901 is connected to the first injector tube 310 through a first connection port 311. The diverter plate 430 is located above the first connection port 311 to guide the gas from both sides above the first connection port 311 into the first gas trough 901. An upper air intake channel 903 is formed on the inner side of the inner ring portion 420.

[0051] In use, the mixture of gas and air passes through the first injector tube 310, the first connection port 311, and the first gas tank 901, and is finally ejected and ignited through the flame hole of the first burner cap 210, thus realizing the combustion function of the burner. Furthermore, the upper air intake channel 903 can form an air replenishment channel from top to bottom, ensuring complete combustion of the gas.

[0052] In the above structure, the lower seat 300 is used to set the first ejector tube 310. The first ejector tube 310 has a first connection port 311 located on the upper end face of the lower seat 300, and no gas distribution structure is required. The upper seat 400 is set as an annular structure. When the upper seat 400 is installed on the lower seat 300, its annular structure cooperates with the upper end of the lower seat 300 to form an annular opening facing upward first gas groove 901. The first gas groove 901 is directly connected to the first ejector tube 310 through the first connection port 311 located on the upper end face of the lower seat 300, so as to realize the gas distribution of the burner head. The structure is simple and easy to produce.

[0053] Furthermore, a diversion plate 430 is provided above the first connection port 311 to prevent the gas from being directly output upward through the flame holes of the first burner cap 210. After being blocked by the diversion plate 430, the gas diffuses to both sides of the first connection port 311 and enters the first gas tank 901, so that the gas can be evenly distributed in the first gas tank 901, making the flame of the burner head more uniform. In addition, the diversion plate 430 connects the inner ring 420 and the outer ring 410, improving the overall structural strength of the upper body 400. After being heated or after long-term use, the diversion plate 430 will not undergo significant deformation, ensuring good gas distribution effect.

[0054] It is conceivable that, in some embodiments of the present invention, after the above-described split-type flow divider, the structure of the upper seat 400 and the lower seat 300 is relatively simple, the molding mold can be easily configured, the production process can be simplified, the production cost can be reduced, and it can be formed by die casting or other methods, thereby improving the overall structural strength and precision and increasing production efficiency.

[0055] It is conceivable that, in some embodiments of the present invention, the upper end surface of the lower seat 300 is a planar structure, so as to better match the annular upper seat 400.

[0056] It is conceivable that, in some embodiments of the present invention, the upper end face of the lower seat 300 may also be configured as a concave-convex structure, and the lower part of the upper seat 400 may be configured accordingly, which may also meet the installation requirements and achieve the positioning function.

[0057] It is conceivable that in some embodiments of the present invention, the upper seat 400 and the lower seat 300 are connected and fixed by screws. Of course, in specific implementation, the upper seat 400 and the lower seat 300 can also be fixed by pins.

[0058] like Figure 5 , Figure 7 , Figure 8 , Figure 13 , Figure 14 , Figure 17 , Figure 18 As shown, in some embodiments of the present invention, the diversion plate 430 is provided with a diversion hole 431 that extends through its upper and lower parts, so that some of the gas can enter the upper part of the diversion plate 430 through the diversion hole 431, so that the first gas groove 901 and the flame hole of the first flame cap 210 above the diversion plate 430 have sufficient gas, and the flame of the burner head is more uniform.

[0059] Specifically, the diverter plate 430 is configured to have an opening lower than the first gas tank 901, so as to form a sufficient gas distribution space between the diverter plate 430 and the first burner cap 210, forming one of the components of the first gas tank 901. After the diverter hole 431 is opened, most of the gas is blocked, but some can enter the area above the diverter plate 430, thus avoiding the appearance of a dark flame area.

[0060] It is conceivable that in some embodiments of the present invention, the diverter plate 430 is disposed at the lower part of the upper body 400, that is, at the lower part of the inner ring 420 and the outer ring 410, connecting the two. The first connection port 311 is configured to be larger than the diverter plate 430, and the diverter plate 430 is approximately located at the middle of the first connection port 311, so that exhaust ports are formed on both sides of the first connection port 311, so that the gas from the first ejector tube 310 can enter the first gas tank 901 in both directions, thereby improving the efficiency and uniformity of gas distribution.

[0061] Furthermore, the first connection port 311 is configured as an arc-shaped slow-flow groove structure to reduce the resistance of the air outlet.

[0062] like Figure 7 , Figure 8 , Figure 14 , Figure 18 As shown, in some embodiments of the present invention, the bottom of the outer ring portion 410 is configured as a protruding structure, forming a bottom ring structure that can wrap around the outer contour of the lower seat 300, so as to improve the stability of the connection between the lower seat 300 and the upper seat 400.

[0063] like Figures 9 to 14 As shown, in some embodiments of the present invention, the upper body 400 further includes an inner flame ring portion 440, which is located inside the inner ring portion 420. The inner flame ring portion 440 and the inner ring portion 420 are connected by at least one connecting portion 450. A second gas groove 902 with an upward opening is formed inside the inner side of the inner flame ring portion 440. The burner assembly 200 includes a second burner cover 220 covering the second gas groove 902. The connecting portion 450 is provided with a connecting channel 904 that connects the first gas groove 901 and the second gas groove 902, so that the gas in the first gas groove 901 can enter the second gas groove 902 to realize the gas supply of the inner and outer rings. An upper air intake channel 903 is formed between the inner flame ring portion 440 and the inner ring portion 420 to supplement the gas with air and improve the combustion efficiency.

[0064] Specifically, the first flame cap 210 and the first gas tank 901 form an outer ring flame, and the second flame cap 220 and the second gas tank 902 form an inner ring flame, which improves the uniformity of the flame. With the above structure, the first gas tank 901 and the second gas tank 902 share a first ejector tube 310, which can meet the gas supply requirements of the inner and outer ring flames. The structure is simple.

[0065] What one can think of is, such as Figures 15 to 18 As shown, in some embodiments of the present invention, the inner fire ring 440 may not be configured, that is, only the first gas tank 901 and the first fire cover 210 are configured to form a ring fire effect, which can meet the needs of small stoves or stoves that do not require fire supply in the middle.

[0066] It is understood that in some embodiments of the present invention, the first gas tank 901 and the first flame cap 210 can also be used as inner ring gas supply, which will not be described in detail here.

[0067] like Figures 9 to 14 As shown, in some embodiments of the present invention, two connecting portions 450 are configured and distributed on opposite sides of the inner fire ring portion 440. The two connecting portions 450 are distributed along the length direction of the first ejector tube 310. The connecting channel 904 in one of the connecting portions 450 is connected to the top of the first connecting port 311. That is, the connecting portion 450 corresponds to the position of the first ejector tube 310. When the lower seat body 300 and the upper seat body 400 are assembled, the connecting portion 450 abuts against the first ejector tube 310, which strengthens the overall structural strength of the burner head, reduces the configuration of other reinforcing structures, reduces material costs, and has a reasonable gas channel layout and high ventilation efficiency.

[0068] Furthermore, after the connecting part 450 is aligned with the first ejector tube 310, the lower seat 300 and the upper seat 400 can be configured to correspond in shape. It is convenient to open a through hole 312 on the lower seat 300 to correspond with the upper air intake channel 903, forming an air channel from top to bottom, which meets the air supply requirements of the gas and has a reasonable structure.

[0069] Of course, in the specific implementation process, the connecting part 450 can also be configured as multiple as needed to achieve better structural strength and form more connecting channels 904, so that the gas distribution of the first gas tank 901 and the second gas tank 902 is more uniform.

[0070] It is understood that, in some embodiments of the present invention, the inner ring portion 440 and the inner ring portion 420 may be connected by several connecting structures to improve the structural strength of the connection between the two.

[0071] like Figure 13 , Figure 14 As shown, in some embodiments of the present invention, the diverter plate 430 is configured as a stepped structure, the diverter plate 430 corresponds to the position of the connecting portion 450, and the portion connecting the inner ring portion 420 is configured to be higher, so as to reserve space for forming the connecting channel 904.

[0072] like Figures 9 to 14As shown, in some embodiments of the present invention, two connecting portions 450 divide the gap between the inner fire ring portion 440 and the inner ring portion 420 into two parts, forming two upper air intake channels 903. The first ejector tube 310 has through holes 312 on both sides corresponding to the two upper air intake channels 903, forming an air channel from top to bottom, which meets the air supply requirements of the gas. The structure is reasonable. The burner head also includes a base 500. The distributor seat 100 is installed above the base 500. The base 500 is respectively provided with an ignition needle 610 and a sensing needle 620. The ignition needle 610 extends through one of the upper air intake channels 903 to the upper part of the burner head, and the sensing needle 620 extends through the other upper air intake channel 903 to the upper part of the burner head. This structure separates the ignition needle 610 and the sensing needle 620, reducing the mutual influence between the two and making the reliability of ignition and sensing higher.

[0073] Specifically, the ignition needle 610 is used to ignite the gas, while the sensing needle 620 is generally a flameout sensor. When flameout occurs, it can shut off the gas passage, improving safety during use.

[0074] like Figure 12 As shown, in some embodiments of the present invention, the connecting part 450 is an elongated structure with an inverted U-shaped cross-section. When the upper seat 400 is installed on the lower seat 300, a connecting channel 904 is formed between the connecting part 450 and the upper end face of the lower seat 300. It is not necessary to form the connecting channel 904 in the connecting part 450, which reduces the difficulty of mold design, facilitates the one-time molding of the upper seat 400, and simplifies the production process.

[0075] It is understood that, in some embodiments of the present invention, the connecting channel 904 may also be formed by processing or molding in one piece within the connecting portion 450, which may also satisfy the requirement of connecting the first gas tank 901 and the second gas tank 902.

[0076] like Figures 1 to 8 As shown, in some embodiments of the present invention, the lower seat 300 is provided with a second ejector tube 320, and a second connection port 321 communicating with the second ejector tube 320 is provided on the upper end face of the lower seat 300. The upper seat 400 also includes an inner fire ring portion 440, which is located inside the inner ring portion 420. The inner fire ring portion 440 and the inner ring portion 420 are connected by at least one connection portion 450. An upwardly opening second gas groove 902 is formed between the inner fire ring portion 440 and the upper end face of the lower seat 300. The second connection port 321 communicates with the second gas groove 902. The burner cap assembly 200 includes a second burner cap 220 covering the second gas groove 902, thereby realizing the requirement of independent gas supply inside and outside the burner head.

[0077] Specifically, the gas from the first ejector tube 310 enters the first gas tank 901 through the first connection port 311 and is finally ejected through the flame hole of the first flame cap 210. The gas from the second ejector tube 320 enters the second gas tank 902 through the second connection port 321 and is ejected through the flame hole of the second flame cap 220, thus forming the requirement of independent gas supply for the dual flame rings.

[0078] like Figures 1 to 6 As shown, in some embodiments of the present invention, the connecting portions 450 are configured as four and evenly distributed in a ring between the inner fire ring portion 440 and the inner ring portion 420 to form four upper air intake channels 903. Two opposite connecting portions 450 are distributed along the length direction of the first ejector tube 310, and the other two opposite connecting portions 450 are distributed along the length direction of the second ejector tube 320. The lower seat body 300 is provided with four through holes 312 that correspond one-to-one with the four upper air intake channels 903, forming four air channels from top to bottom, which meets the air supply requirements of the fuel gas and has a reasonable structure.

[0079] Furthermore, the connecting part 450 corresponds to the positions of the first ejector tube 310 and the second ejector tube 320. When the lower seat body 300 and the upper seat body 400 are assembled, the connecting part 450 abuts against the first ejector tube 310 and the second ejector tube 320, which strengthens the overall structural strength of the burner head, reduces the configuration of other strengthening structures, lowers material costs, and has a reasonable gas passage layout with high ventilation efficiency.

[0080] Specifically, the four connecting parts 450 are arranged in a cross shape to improve the structural strength of the upper body 400. The first ejector tube 310 corresponds to the position of two of the linearly distributed connecting parts 450. The second ejector tube 320 is set to be shorter since it only needs to be connected to the second connecting port 321 located in the middle. It corresponds to the position of one of the remaining two connecting parts 450. The remaining connecting part 450 is an auxiliary reinforcing structure to improve the overall balance of the structure.

[0081] It is understood that in some embodiments of the present invention, the connecting portion 450 may be configured to be four or more as needed, which will not be described in detail here.

[0082] like Figures 1 to 8As shown, in some embodiments of the present invention, a base 500 is also included, and a diverter seat 100 is mounted above the base 500. The base 500 is provided with a first air intake channel 501 extending upwards, a first air intake interface 502 being provided at the lower part of the first air intake channel 501, and a first nozzle 510 corresponding to the air intake port of the first ejector tube 310 being provided at the upper part of the first air intake channel 501. The base 500 is also provided with a second air intake channel 503 extending upwards, and a second air intake interface 504 being provided at the lower part of the second air intake channel 503. The upper part of the second air intake channel 503 is provided with a second nozzle 520 corresponding to the air intake port of the second ejector tube 320, forming a lower air intake structure. External air enters the first nozzle 510 and the second nozzle 520 through the upper air intake channel 903 and the through hole 312, forming an upper air intake structure. This allows the gas injected by the first nozzle 510 and the second nozzle 520 to mix with the air supplemented by the upper air intake channel 903 before entering the first ejector tube 310 and the second ejector tube 320, thereby improving the efficiency of gas combustion.

[0083] like Figure 5 , Figure 13 and Figure 17 As shown, in some embodiments of the present invention, the inner ring portion 420 and the outer ring portion 410 are connected by a plurality of external connecting portions 460, further strengthening the connection structure strength between the inner ring portion 420 and the outer ring portion 410.

[0084] Specifically, the external connection 460 is located at the bottom of the gap between the inner ring 420 and the outer ring 410. When the upper seat 400 and the lower seat 300 are assembled, the screw passes through the lower seat 300 and connects to the upper seat 400. The external connection 460 is close to the upper end face of the lower seat 300, which reduces the impact of the external connection 460 on the first gas tank 901 and improves the efficiency of gas passage.

[0085] In an embodiment of the present invention, Figures 1 to 8 This is a schematic diagram of the structure of a burner head with dual ejector tubes. The upper body 400 is equipped with an outer ring 410, an inner ring 420, and an inner fire ring 440, forming a first gas chamber 901 and a second gas chamber 902, respectively. The lower body 300 is equipped with a first ejector tube 310 and a second ejector tube 320. The burner cap assembly 200 includes a first burner cap 210 covering the first gas chamber 901 and a second burner cap 220 covering the second gas chamber 902. In use, gas enters the first gas chamber 901 through the first ejector tube 310 and is ejected through the first burner cap 210. After being ignited by the ignition needle 610, it forms an outer ring flame. Gas enters the second gas chamber 902 through the second ejector tube 320 and is ejected through the second burner cap 220. After being ignited by the ignition needle 610, it forms an inner ring flame. The dual ejector tubes can be controlled independently, achieving independent control of the inner and outer ring flames. Of course, in specific implementations, they can also be controlled in conjunction, which will not be detailed here.

[0086] In an embodiment of the present invention, Figures 9 to 14 This is a schematic diagram of the structure of a burner head with a single injector and double flame cap. The upper body 400 is equipped with an outer ring 410, an inner ring 420, and an inner flame ring 440, forming a first gas groove 901 and a second gas groove 902, respectively. The first gas groove 901 and the second gas groove 902 are connected by a connecting channel 904. The lower body 300 is equipped with a first injector 310 connected to the first gas groove 901. The flame cap assembly 200 includes a first flame cap 210 covering the first gas groove 901 and a second flame cap 220 covering the second gas groove 902. In use, after the gas enters the first gas groove 901 through the first injector 310, part of the gas is ejected through the first flame cap 210 and ignited by the ignition needle 610 to form an outer ring flame. The remaining gas enters the second gas groove 902 through the connecting channel 904 and is ejected through the second flame cap 220, and ignited by the ignition needle 610 to form an inner ring flame.

[0087] In an embodiment of the present invention, Figures 15 to 18 This is a schematic diagram of the structure of a burner head with a single injector and a single flame cap. The upper body 400 is equipped with an outer ring 410 and an inner ring 420 to form a first gas groove 901. The lower body 300 is equipped with a first injector 310. The flame cap assembly 200 includes a first flame cap 210 that covers the first gas groove 901. In use, the gas enters the first gas groove 901 through the first injector 310 and is ejected through the first flame cap 210. After being ignited by the ignition needle 610, it forms a ring flame.

[0088] like Figures 15 to 18 As shown, the ignition needle 610 and the sensing needle 620 are spaced apart on the outside of the first gas tank 901 to meet the requirements of ignition and sensing.

[0089] Of course, the present invention is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.

Claims

1. A burner head employing a combined flow divider, comprising a flow divider (100) and a burner cap assembly (200) disposed on the flow divider (100), characterized in that, The diversion seat (100) includes: The lower seat (300) is provided with a first ejector tube (310), and a first connection port (311) communicating with the first ejector tube (310) is provided on the upper end face of the lower seat (300). An upper seat (400) is mounted above the lower seat (300). The upper seat (400) includes an outer ring portion (410), an inner ring portion (420) located inside the outer ring portion (410), and a diverter plate (430) connecting the inner ring portion (420) and the outer ring portion (410). A first gas groove (901) with an upward opening is formed between the upper end faces of the outer ring portion (410), the inner ring portion (420), and the lower seat (300). The burner assembly (200) includes a first burner cap (210) mounted on top of the first gas tank (901), the first gas tank (901) being connected to the first ejector tube (310) via a first connection port (311), and the diverter plate (430) being located above the first connection port (311) to guide gas from both sides above the first connection port (311) into the first gas tank (901), and an upper air intake channel (903) is formed on the inner side of the inner ring portion (420).

2. The burner head with a combined flow divider as described in claim 1, characterized in that, The diverter plate (430) has diverter holes (431) extending through its upper and lower parts.

3. The burner head with a combined flow divider as described in claim 1, characterized in that, The upper body (400) further includes an inner flame ring (440), which is located inside the inner ring (420). The inner flame ring (440) and the inner ring (420) are connected by at least one connecting part (450). A second gas groove (902) with an upward opening is formed inside the inner side of the inner flame ring (440). The burner assembly (200) includes a second burner cap (220) that covers the second gas groove (902). A connecting channel (904) connecting the first gas groove (901) and the second gas groove (902) is provided in the connecting part (450). The upper air intake channel (903) is formed between the inner flame ring (440) and the inner ring (420).

4. The burner head with a combined flow divider as described in claim 3, characterized in that, The connecting parts (450) are configured as two and distributed on opposite sides of the inner fire ring (440). The two connecting parts (450) are distributed along the length direction of the first ejector tube (310), and the connecting channel (904) in one of the connecting parts (450) is connected to the top of the first connecting port (311).

5. The burner head with a combined flow divider as described in claim 4, characterized in that, The connecting part (450) is an elongated structure with an inverted U-shaped cross-section. When the upper seat (400) is installed on the lower seat (300), the connecting part (450) and the upper end face of the lower seat (300) form the connecting channel (904).

6. The burner head with a combined flow divider as described in claim 4, characterized in that, The two connecting parts (450) divide the gap between the inner fire ring part (440) and the inner ring part (420) into two parts, forming two upper air intake channels (903). The first ejector tube (310) has through holes (312) on both sides corresponding to the two upper air intake channels (903). The burner head also includes a base (500). The distributor seat (100) is installed above the base (500). The base (500) is provided with an ignition needle (610) and a sensing needle (620). The ignition needle (610) extends through one of the upper air intake channels (903) to the upper part of the burner head. The sensing needle (620) extends through the other upper air intake channel (903) to the upper part of the burner head.

7. The burner head with a combined flow divider as described in claim 1, characterized in that, The lower seat (300) is provided with a second ejector tube (320), and a second connection port (321) communicating with the second ejector tube (320) is provided on the upper end face of the lower seat (300). The upper seat (400) also includes an inner flame ring (440), which is located inside the inner ring (420). The inner flame ring (440) and the inner ring (420) are connected by at least one connection (450). An upwardly opening second gas groove (902) is formed between the inner flame ring (440) and the upper end face of the lower seat (300). The second connection port (321) communicates with the second gas groove (902). The flame cap assembly (200) includes a second flame cap (220) covering the second gas groove (902).

8. The burner head with a combined flow divider as described in claim 7, characterized in that, The connecting portion (450) is configured as four and evenly distributed in a ring between the inner fire ring portion (440) and the inner ring portion (420) to form four upper air intake channels (903). Two of the opposite connecting portions (450) are distributed along the length direction of the first ejector tube (310), and the other two opposite connecting portions (450) are distributed along the length direction of the second ejector tube (320). The lower seat body (300) is provided with four through holes (312) that correspond one-to-one with the four upper air intake channels (903).

9. The burner head with a combined flow divider as described in claim 7, characterized in that, It also includes a base (500), the distributor (100) being mounted above the base (500), wherein, The base (500) is provided with a first air intake channel (501) extending from bottom to top. The lower part of the first air intake channel (501) is provided with a first air intake port (502), and the upper part of the first air intake channel (501) is provided with a first nozzle (510) corresponding to the air intake port of the first ejector tube (310). The base (500) is provided with a second air intake channel (503) extending from bottom to top. The lower part of the second air intake channel (503) is provided with a second air intake port (504), and the upper part of the second air intake channel (503) is provided with a second nozzle (520) corresponding to the air intake port of the second ejector tube (320).

10. The burner head with a combined flow divider as described in claim 1, characterized in that, The inner ring portion (420) and the outer ring portion (410) are connected by a plurality of external portions (460).

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