CN220017358U - Burner with combined split-flow seat - Google Patents

Abstract

The utility model discloses a burner adopting a combined flow dividing seat, which comprises a flow dividing seat and a fire cover assembly arranged on the flow dividing seat, wherein the flow dividing seat comprises: the lower seat body is provided with a first injection pipe, and the upper end surface of the lower seat body is provided with a first connection port communicated with the first injection pipe; the upper seat body is mounted above the lower seat body, the upper seat body comprises an outer ring part, an inner ring part positioned on the inner side of the outer ring part and a flow distribution plate connected with the inner ring part and the outer ring part, a first gas tank is formed among the outer ring part, the inner ring part and the upper end face of the lower seat body, the fire cover assembly comprises a first fire cover which is covered above the first gas tank, the first gas tank is connected to a first injection pipe through a first connecting port, and the flow distribution plate is positioned above the first connecting port so as to guide gas to enter the first gas tank from two sides above the first connecting port, namely, when the upper seat body is mounted on the lower seat body, a gas distribution structure of a burner head can be directly formed, and the upper seat body is simple in structure and convenient to produce.

Description

Burner with combined split-flow seat

Technical Field

The utility model relates to the field of gas cookers, in particular to a burner head adopting a combined split-flow seat.

Background

The burner head of the gas cooker generally comprises a split-flow seat and a fire cover arranged on the split-flow seat, wherein the split-flow seat is provided with an injection pipe and a gas tank, the quantity of the injection pipe and the gas tank is configured according to the specific burner head, the gas tank and the injection pipe are respectively distributed at the upper part and the lower part of the split-flow seat, in the prior art, as in the utility model patent with the name of ' fire cover, burner head and burner of the gas cooker of Chinese patent number of ' CN201710337805.9 ', the gas tank is formed on the disclosed fire cover base, and the injection pipe is arranged on the burner base, although the gas distribution requirement is met, the burner base is provided with a gas distribution structure corresponding to the fire cover base besides the injection pipe, and meanwhile, the fire cover base is also provided with a complete air passage (gas tank), so that the structure is complex, and the die design is very troublesome during production.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a burner head adopting a combined split-flow seat.

According to a first aspect of the present utility model, a burner with a combined flow dividing seat includes a flow dividing seat and a fire cover assembly disposed on the flow dividing seat, the flow dividing seat has a gas tank, the fire cover assembly is covered on the gas tank, the flow dividing seat includes: the device comprises a lower seat body and an upper seat body, wherein the lower seat body is provided with a first injection pipe, and the upper end surface of the lower seat body is provided with a first connection port communicated with the first injection pipe; the upper seat body is installed to the top of lower seat body, the upper seat body includes outer loop portion, is located the inner ring portion of the inboard of outer loop portion and connects the inner ring portion with the flow distribution plate of outer loop portion, outer loop portion the inner ring portion reaches form the first gas groove of upwards opening between the up end of lower seat body, fire lid subassembly is including the lid dress in the first fire lid of first gas groove top, first gas groove is connected to through first connecting port first ejector tube, just the flow distribution plate is located the top of first connecting port, in order to guide the gas follow the both sides of first connecting port top get into first gas groove, the inboard of inner ring portion forms the upper air inlet channel.

The burner adopting the combined flow dividing seat has the following advantages: the lower seat body is used for setting up first injection pipe, and first injection pipe has the first connector that is located the up end of lower seat body, need not to dispose the distribution structure, and the upper seat body sets up to annular structure, and when the upper seat body was installed in lower seat body, its annular structure and the upper end cooperation of lower seat body formed annular opening ascending first gas tank, and first gas tank is through the first connector direct communication to first injection pipe that is located the up end of lower seat body, realizes the distribution of combustor furnace end, simple structure, convenient production.

According to some embodiments of the utility model, the diverter plate is provided with diverter holes extending therethrough.

According to some embodiments of the utility model, the upper base further comprises an inner fire ring part, the inner fire ring part is located at the inner side of the inner ring part, the inner fire ring part is connected with the inner ring part through at least one connecting part, a second gas tank which is opened upwards is formed at the inner side of the inner fire ring part, the fire cover assembly comprises a second fire cover which is covered above the second gas tank, a connecting channel which is communicated with the first gas tank and the second gas tank is arranged in the connecting part, and the upper air inlet channel is formed between the inner fire ring part and the inner ring part.

According to some embodiments of the utility model, the two connecting portions are configured to be distributed on two opposite sides of the inner fire ring portion, the two connecting portions are distributed along the length direction of the first injection pipe, and the connecting channel in one connecting portion is communicated to the upper side of the first connecting port.

According to some embodiments of the utility model, the connecting portion has an elongated structure with an inverted U-shaped cross section, and when the upper base is mounted on the lower base, the connecting channel is formed between the connecting portion and an upper end surface of the lower base.

According to some embodiments of the present utility model, the two connecting portions divide a gap between the inner flame ring portion and the inner ring portion into two parts to form two upper air intake passages, through holes corresponding to the two upper air intake passages are respectively formed on two sides of the first injection pipe, the burner head further comprises a base, the split-flow seat is installed above the base, the base is respectively provided with an ignition needle and an induction needle, the ignition needle extends to the upper portion of the burner head through one of the upper air intake passages, and the induction needle extends to the upper portion of the burner head through the other of the upper air intake passages.

According to some embodiments of the utility model, the lower base is provided with a second injection pipe, the upper end face of the lower base is provided with a second connection port communicated with the second injection pipe, the upper base further comprises an inner fire ring part, the inner fire ring part is positioned on the inner side of the inner ring part, the inner fire ring part is connected with the inner ring part through at least one connection part, a second gas tank which is opened upwards is formed between the inner fire ring part and the upper end face of the lower base, the second connection port is communicated with the second gas tank, and the fire cover assembly comprises a second fire cover which is covered above the second gas tank.

According to some embodiments of the present utility model, the connecting portions are configured as four gaps annularly and uniformly distributed between the inner fire ring portion and the inner ring portion, so as to form four upper air intake passages, wherein two opposite connecting portions are distributed along the length direction of the first injection pipe, and the other two opposite connecting portions are distributed along the length direction of the second injection pipe, and the lower seat body is provided with four through holes corresponding to the four upper air intake passages one by one respectively.

According to some embodiments of the utility model, the diverter seat is mounted above the base, wherein,

the base is provided with a first air inlet channel extending from bottom to top, a first air inlet interface is arranged at the lower part of the first air inlet channel, and a first nozzle corresponding to the air inlet of the first injection pipe is arranged at the upper part of the first air inlet channel;

the base is provided with a second air inlet channel extending from bottom to top, a second air inlet interface is arranged at the lower part of the second air inlet channel, and a second nozzle corresponding to the air inlet of the second injection pipe is arranged at the upper part of the second air inlet channel.

According to some embodiments of the utility model, the inner ring portion and the outer ring portion are connected by a plurality of circumscribed portions.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of a burner with dual injection tubes according to one embodiment of the present utility model;

FIG. 2 is a second schematic view of a burner with dual injection tubes according to an embodiment of the present utility model;

FIG. 3 is one of the exploded schematic views of a dual jet stack burner according to an embodiment of the present utility model;

FIG. 4 is a second exploded view of a dual jet burner in accordance with an embodiment of the present utility model;

FIG. 5 is a schematic view of a dual jet burner fire cover assembly in accordance with an embodiment of the present utility model;

FIG. 6 is a schematic front view of a burner with dual injection tubes according to an embodiment of the present utility model;

FIG. 7 is a schematic cross-sectional view of A-A of FIG. 6;

FIG. 8 is a schematic cross-sectional view of B-B of FIG. 6;

FIG. 9 is a schematic view of a burner with a single injection tube and dual fire cover in accordance with one embodiment of the present utility model;

FIG. 10 is a second schematic view of a burner with a single injection tube and dual fire cover according to an embodiment of the present utility model;

FIG. 11 is one of the exploded schematic views of a single injection tube dual burner cap burner of an embodiment of the present utility model;

FIG. 12 is a second exploded view of a burner of a single injection tube dual burner cap according to an embodiment of the present utility model;

FIG. 13 is a schematic view of a burner end hidden fire cover assembly with a single injection tube and dual fire covers according to an embodiment of the present utility model;

FIG. 14 is a schematic cross-sectional view of a burner with a single injection tube and dual fire cover in accordance with an embodiment of the present utility model;

FIG. 15 is a schematic view of a burner head with a single injection tube and a single fire cover according to an embodiment of the present utility model;

FIG. 16 is an exploded view of a burner tip with a single jet tube and a single fire cover in accordance with an embodiment of the present utility model;

FIG. 17 is a schematic view of a burner end hidden fire cover assembly with a single injection tube and a single fire cover according to an embodiment of the utility model;

FIG. 18 is a schematic cross-sectional view of a burner with a single jet tube and a single fire cover in accordance with an embodiment of the present utility model.

Reference numerals:

a split-flow seat 100;

fire cover assembly 200, first fire cover 210, second fire cover 220;

the lower base 300, the first injection pipe 310, the first connecting port 311, the through hole 312, the second injection pipe 320 and the second connecting port 321;

the upper seat 400, the outer ring part 410, the inner ring part 420, the splitter plate 430, the splitter hole 431, the inner fire ring part 440, the connecting part 450 and the external part 460;

a base 500, a first air inlet channel 501, a first air inlet interface 502, a first nozzle 510, a second air inlet channel 503, a second air inlet interface 504, and a second nozzle 520;

an ignition needle 610 and a sense needle 620;

a first gas tank 901, a second gas tank 902, an upper intake passage 903, and a connection passage 904.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

As shown in fig. 1 to 18, a burner using a combined split-flow seat according to an embodiment of the present utility model includes a split-flow seat 100 and a fire cover assembly 200 disposed on the split-flow seat 100, wherein the split-flow seat 100 has a gas tank, the fire cover assembly 200 is covered on the gas tank, and the gas is sprayed through a fire hole of the fire cover assembly 200 after being distributed through the gas tank of the split-flow seat 100, and is ignited for combustion.

Wherein, the split-flow seat 100 includes: a lower housing 300 and an upper housing 400.

The lower base 300 is provided with a first injection pipe 310, and the upper end surface of the lower base 300 is provided with a first connection port 311 communicated with the first injection pipe 310; the upper housing 400 is mounted above the lower housing 300, the upper housing 400 includes an outer ring portion 410, an inner ring portion 420 positioned at the inner side of the outer ring portion 410, and a flow dividing plate 430 connecting the inner ring portion 420 and the outer ring portion 410, a first gas tank 901 opened upward is formed between the upper end surfaces of the outer ring portion 410, the inner ring portion 420, and the lower housing 300, the fire cover assembly 200 includes a first fire cover 210 covering the first gas tank 901, the first gas tank 901 is connected to the first injection pipe 310 through a first connection port 311, and the flow dividing plate 430 is positioned above the first connection port 311 to guide gas to enter the first gas tank 901 from both sides above the first connection port 311, and an upper gas intake passage 903 is formed at the inner side of the inner ring portion 420.

When the burner is used, the mixed gas of fuel gas and air is sprayed out and ignited through the fire hole of the first fire cover 210 through the first injection pipe 310, the first connecting port 311 and the first fuel gas groove 901, so that the combustion function of the burner can be realized, and an air supplementing channel from top to bottom can be formed through the upper air inlet channel 903, so that the fuel gas is combusted fully.

In the above structure, the lower base 300 is used for setting the first injection pipe 310, the first injection pipe 310 is provided with the first connection port 311 positioned on the upper end face of the lower base 300, the distribution structure is not needed to be configured, the upper base 400 is provided with a ring structure, when the upper base 400 is mounted on the lower base 300, the ring structure is matched with the upper end of the lower base 300 to form the first fuel gas tank 901 with an annular upward opening, and the first fuel gas tank 901 is directly communicated to the first injection pipe 310 through the first connection port 311 positioned on the upper end face of the lower base 300, so that the distribution of the burner is realized, the structure is simple, and the production is convenient.

And, be provided with the flow distribution plate 430 in the top of first connector 311, avoid the gas to directly upwards export through the fire hole of first fire lid 210, the gas is blocked the back through flow distribution plate 430 and is diffused to the both sides of first connector 311 and get into first gas groove 901 for the gas can equipartition in first gas groove 901, make the flame of combustor furnace end more even, and flow distribution plate 430 connects inner ring portion 420 and outer ring portion 410, improves the holistic structural strength of upper seat body 400, after being heated or long-term use, the flow distribution plate 430 also can not appear great deformation, guarantee good distribution effect.

It can be appreciated that in some embodiments of the present utility model, after the split-flow seats are formed by the above-described structure, the upper and lower seats 400 and 300 are relatively simple in structure, and the forming mold can be simply configured, so that the production process is simplified, the production cost is reduced, and the split-flow seats can be formed by die casting, so that the overall structural strength and accuracy are improved, and the production efficiency is improved.

It is contemplated that in some embodiments of the present utility model, the upper end surface of the lower housing 300 is of a planar configuration to better mate with the upper housing 400 of the annular configuration.

It is conceivable that in some embodiments of the present utility model, the upper end surface of the lower housing 300 may be configured as a concave-convex structure, and the lower portion of the upper housing 400 may be configured correspondingly, so as to meet the installation requirement and achieve the positioning function.

It is contemplated that in some embodiments of the present utility model, the upper housing 400 and the lower housing 300 are fixed by a screw connection, and of course, in a specific implementation, the upper housing 400 and the lower housing 300 may also be fixed by a bolt.

As shown in fig. 5, 7, 8, 13, 14, 17 and 18, in some embodiments of the present utility model, the splitter plate 430 is provided with a splitter hole 431 penetrating through the upper and lower sides thereof, so that a part of fuel gas can enter the upper side of the splitter plate 430 through the splitter hole 431, so that the first fuel gas tank 901 above the splitter plate 430 and the fire hole of the first fire cover 210 have enough fuel gas, and the flame of the burner head is more uniform.

Specifically, the splitter plate 430 is disposed below the opening of the first gas tank 901, so as to form a sufficient gas distribution space between the splitter plate 430 and the first fire cover 210, and form one of the components of the first gas tank 901, after the splitter hole 431 is formed, a part of gas can enter the upper part of the splitter plate 430 after being blocked, so that a flame dark area is avoided.

It is conceivable that in some embodiments of the present utility model, the splitter plate 430 is disposed at the lower portion of the upper housing 400, that is, connected to the lower portions of the inner ring portion 420 and the outer ring portion 410, and the first connection port 311 is disposed larger than the splitter plate 430, and the splitter plate 430 is located approximately at the middle position of the first connection port 311, so that exhaust ports are formed at both sides of the first connection port 311, and thus fuel gas of the first injection pipe 310 can enter the first fuel gas tank 901 in two directions, thereby improving efficiency and uniformity of fuel gas distribution.

Further, the first connection port 311 is configured as a circular arc slow flow notch structure, so as to reduce the resistance of the air outlet.

As shown in fig. 7, 8, 14 and 18, in some embodiments of the present utility model, the bottom of the outer ring portion 410 is provided with a protruding structure, so as to form a bottom ring structure capable of wrapping the outer contour of the lower housing 300, thereby improving the connection stability of the lower housing 300 and the upper housing 400.

As shown in fig. 9 to 14, in some embodiments of the present utility model, the upper housing 400 further includes an inner fire ring portion 440, the inner fire ring portion 440 is located at the inner side of the inner ring portion 420, the inner fire ring portion 440 is connected to the inner ring portion 420 through at least one connection portion 450, a second gas tank 902 opened upwards is formed at the inner side of the inner fire ring portion 440, the fire cover assembly 200 includes a second fire cover 220 covering the second gas tank 902, a connection channel 904 communicating the first gas tank 901 and the second gas tank 902 is provided in the connection portion 450, so that gas in the first gas tank 901 can enter the second gas tank 902 to supply gas to the inner and outer rings, and an upper gas inlet channel 903 is formed between the inner fire ring portion 440 and the inner ring portion 420 to supplement air for the gas to improve the combustion efficiency.

Specifically, the first fire cover 210 and the first gas tank 901 form an outer ring flame, the second fire cover 220 and the second gas tank 902 form an inner ring flame, and the uniformity of the flame is improved.

As shown in fig. 15 to 18, in some embodiments of the present utility model, the inner flame ring 440 may not be configured, that is, only the first gas tank 901 and the first flame cover 210 are provided to form a ring flame effect, so that a small-sized stove or a stove with no flame requirement in the middle portion may be satisfied.

It will be appreciated that in some embodiments of the present utility model, the first gas tank 901 and the first fire cover 210 may also be used as an inner ring gas supply, which is not described in detail herein.

As shown in fig. 9 to 14, in some embodiments of the present utility model, two connection portions 450 are configured to be distributed on two opposite sides of the inner fire ring portion 440, the two connection portions 450 are distributed along the length direction of the first injection pipe 310, wherein the connection channel 904 in one connection portion 450 is communicated to the upper side of the first connection port 311, that is, the connection portion 450 corresponds to the position of the first injection pipe 310, and when the lower base 300 and the upper base 400 are assembled, the connection portion 450 and the first injection pipe 310 abut against each other, so as to enhance the overall structural strength of the burner, reduce the configuration of other reinforcing structures, reduce the material cost, and have reasonable air passage layout and high ventilation efficiency.

After the connection portion 450 corresponds to the first injection pipe 310, the lower base 300 and the upper base 400 may be configured to have a corresponding shape, so that the through hole 312 may be conveniently formed in the lower base 300, and the through hole corresponds to the upper air inlet channel 903, so as to form an air channel from top to bottom, thereby meeting the air supply requirement of fuel gas, and having a reasonable structure.

Of course, in the implementation process, the connection portion 450 may be configured into a plurality of connection portions as required to achieve better structural strength, and more connection channels 904 are formed, so that the gas distribution of the first gas tank 901 and the second gas tank 902 is more uniform.

It will be appreciated that in some embodiments of the present utility model, the inner firering portion 440 and the inner ring portion 420 may also be connected by a plurality of connection structures to enhance the structural strength of the connection therebetween.

As shown in fig. 13 and 14, in some embodiments of the present utility model, the flow dividing plate 430 is configured in a stepped structure, the flow dividing plate 430 corresponds to the position of the connection portion 450, and the portion connected to the inner ring portion 420 is configured to be higher so as to reserve a space for forming the connection channel 904.

As shown in fig. 9 to 14, in some embodiments of the present utility model, the two connecting portions 450 divide the gap between the inner ring portion 440 and the inner ring portion 420 into two parts to form two upper air intake passages 903, two sides of the first injection pipe 310 are provided with through holes 312 corresponding to the two upper air intake passages 903, respectively, to form an air passage from top to bottom, to meet the air supply requirement of the fuel gas, the burner head further comprises a base 500, the split-flow seat 100 is mounted above the base 500, the base 500 is respectively provided with an ignition needle 610 and an induction needle 620, the ignition needle 610 extends to the upper portion of the burner head through one of the upper air intake passages 903, the induction needle 620 extends to the upper portion of the burner head through the other upper air intake passage 903, and by this structure, the mutual influence between the ignition needle 610 and the induction needle 620 is reduced, so that the reliability of ignition and induction is higher.

Specifically, the ignition needle 610 is used for igniting fuel gas, the sensing needle 620 is generally a flameout sensor, and when flameout occurs, the fuel gas channel can be closed, so that the safety in use is improved.

As shown in fig. 12, in some embodiments of the present utility model, the connecting portion 450 has an elongated structure with an inverted U-shaped cross section, and when the upper housing 400 is mounted on the lower housing 300, a connecting channel 904 is formed between the connecting portion 450 and the upper end surface of the lower housing 300, so that the connecting channel 904 does not need to be formed in the connecting portion 450, the difficulty of designing a mold is reduced, the one-step molding of the upper housing 400 is facilitated, and the production process is simplified.

It will be appreciated that in some embodiments of the present utility model, the connection channel 904 may be formed by machining or one-step molding in the connection portion 450, and the requirement of communicating the first gas tank 901 and the second gas tank 902 may be satisfied.

As shown in fig. 1 to 8, in some embodiments of the present utility model, the lower housing 300 is provided with a second injection pipe 320, and a second connection port 321 communicating with the second injection pipe 320 is provided at an upper end surface of the lower housing 300, the upper housing 400 further includes an inner fire ring portion 440, the inner fire ring portion 440 is located at an inner side of the inner ring portion 420, the inner fire ring portion 440 is connected with the inner ring portion 420 through at least one connection portion 450, a second gas tank 902 opening upwards is formed between the inner fire ring portion 440 and the upper end surface of the lower housing 300, the second connection port 321 is connected to the second gas tank 902, and the fire cover assembly 200 includes a second fire cover 220 covering over the second gas tank 902, so as to achieve the requirement of independent gas supply inside and outside the burner.

Specifically, the gas of the first injection pipe 310 enters the first gas tank 901 through the first connection port 311, and finally is sprayed out through the fire hole of the first fire cover 210, the gas of the second injection pipe 320 enters the second gas tank 902 through the second connection port 321, and is sprayed out through the fire hole of the second fire cover 220, so that the requirement of independent gas supply of the double fire rings is formed.

As shown in fig. 1 to 6, in some embodiments of the present utility model, the connection portions 450 are configured as four and annularly distributed in gaps between the inner ring portion 440 and the inner ring portion 420 to form four upper air intake passages 903, wherein two opposite connection portions 450 are distributed along the length direction of the first injection pipe 310, and the other two opposite connection portions 450 are distributed along the length direction of the second injection pipe 320, and the lower base 300 is provided with four through holes 312 corresponding to the four upper air intake passages 903 one by one respectively to form four air passages from top to bottom, so as to meet the air supply requirement of fuel gas, and has a reasonable structure.

And the connecting part 450 corresponds to the positions of the first injection pipe 310 and the second injection pipe 320, when the lower base 300 and the upper base 400 are assembled and installed, the connecting part 450 is abutted against the first injection pipe 310 and the second injection pipe 320, so that the overall structural strength of the burner is enhanced, the configuration of other reinforcing structures can be reduced, the material cost is reduced, the air passage layout is reasonable, and the ventilation efficiency is high.

Specifically, the four connecting portions 450 are distributed in a cross shape, so as to improve the structural strength of the upper seat body 400, the first injection pipe 310 corresponds to the positions of the two connecting portions 450 which are linearly distributed, and the second injection pipe 320 is set to be shorter and corresponds to one position of the remaining two connecting portions 450 as the second connecting port 321 which is positioned in the middle part only, so that the balance of the whole structure is improved.

It can be appreciated that in some embodiments of the present utility model, the connection portion 450 may be configured to be more than four as desired, and will not be described in detail herein.

As shown in fig. 1 to 8, in some embodiments of the present utility model, the flow dividing seat 100 further includes a base 500, and the flow dividing seat 100 is installed above the base 500, wherein the base 500 is provided with a first air inlet channel 501 extending from bottom to top, a first air inlet port 502 is provided at a lower portion of the first air inlet channel 501, and a first nozzle 510 corresponding to an air inlet of the first injection pipe 310 is provided at an upper portion of the first air inlet channel 501; the base 500 is provided with from the second inlet channel 503 that upwards extends down, the lower part of second inlet channel 503 is provided with second inlet interface 504, the upper portion of second inlet channel 503 is provided with the second nozzle 520 that corresponds with the air inlet of second injection pipe 320, form down the inlet structure, outside air is through last inlet channel 903, outside air enters into first nozzle 510 and second nozzle 520 through last inlet channel 903, through-hole 312, form the structure of upper air inlet (air), make the gas that first nozzle 510 and second nozzle 520 sprayed get into first injection pipe 310 and second injection pipe 320 after can mixing with last inlet channel 903 supplementary air, improve the efficiency of gas combustion.

As shown in fig. 5, 13 and 17, in some embodiments of the present utility model, the inner ring portion 420 and the outer ring portion 410 are connected by a plurality of external connection portions 460, so as to further strengthen the connection structure strength of the inner ring portion 420 and the outer ring portion 410.

Specifically, the external connection portion 460 is disposed at the bottom of the gap between the inner ring portion 420 and the outer ring portion 410, when the upper seat body 400 and the lower seat body 300 are assembled, the screw penetrates through the lower seat body 300 to be connected to the upper seat body 400, and the external connection portion 460 is tightly attached to the upper end face of the lower seat body 300, so that the influence of the external connection portion 460 on the first fuel gas tank 901 is reduced, and the fuel gas passing efficiency is improved.

In the embodiment of the present utility model, fig. 1 to 8 are schematic structural diagrams of a burner with two injection pipes, in which an upper base 400 is provided with an outer ring portion 410, an inner ring portion 420 and an inner fire ring portion 440 to form a first gas tank 901 and a second gas tank 902 respectively, a lower base 300 is provided with a first injection pipe 310 and a second injection pipe 320, a cover assembly 200 comprises a first fire cover 210 covering the first gas tank 901 and a second fire cover 220 covering the second gas tank 902, when in use, fuel gas enters the first gas tank 901 through the first injection pipe 310 and is sprayed out through the first fire cover 210, an outer ring flame is formed after ignition by an ignition needle 610, fuel gas enters the second gas tank 902 through the second injection pipe 320 and is sprayed out through the second fire cover 220, and an inner ring flame is formed after ignition by the ignition needle 610, and the two injection pipes can be independently controlled, so that the two can be independently controlled.

In the embodiment of the present utility model, fig. 9 to 14 are schematic structural diagrams of a burner head with a single injection pipe and a double fire cover, wherein an upper base 400 is provided with an outer ring part 410, an inner ring part 420 and an inner fire ring part 440 to form a first gas tank 901 and a second gas tank 902 respectively, the first gas tank 901 and the second gas tank 902 are communicated through a connecting channel 904, a lower base 300 is provided with a first injection pipe 310 communicated to the first gas tank 901, a cover assembly 200 comprises a first fire cover 210 covered on the first gas tank 901 and a second fire cover 220 covered on the second gas tank 902, when in use, after gas enters the first gas tank 901 through the first injection pipe 310, part of the gas is injected through the first fire cover 210, and forms an outer ring flame after being ignited through an ignition needle 610, and the rest of the gas enters the second gas tank 902 through the connecting channel 904, is injected through the second fire cover 220, and forms an inner ring flame after being ignited through the ignition needle 610.

In the embodiment of the present utility model, fig. 15 to 18 are schematic structural views of a burner with a single injection pipe and a single fire cover, wherein an upper base 400 is provided with an outer ring portion 410 and an inner ring portion 420 to form a first gas tank 901, a lower base 300 is provided with a first injection pipe 310, and a cover assembly 200 comprises a first fire cover 210 covering the first gas tank 901, and in use, gas enters the first gas tank 901 through the first injection pipe 310 and is injected through the first fire cover 210 to form an annular flame after being ignited by an ignition needle 610.

As shown in fig. 15 to 18, the ignition needle 610 and the sensing needle 620 are disposed at intervals outside the first gas tank 901 to meet the requirements of ignition and sensing.

The present utility model is, of course, not limited to the above-described embodiments, and one skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the utility model, and these equivalent modifications or substitutions are intended to be included in the scope of the present utility model as defined in the appended claims.

Claims (10)

1. A burner with combined flow dividing seat, comprising a flow dividing seat (100) and a fire cover assembly (200) arranged on the flow dividing seat (100), characterized in that the flow dividing seat (100) comprises:

the lower base body (300), the lower base body (300) is provided with a first injection pipe (310), and the upper end surface of the lower base body (300) is provided with a first connection port (311) communicated with the first injection pipe (310);

the upper seat body (400), the upper seat body (400) is installed to the top of lower seat body (300), go up seat body (400) including outer loop portion (410), be located in inner loop portion (420) of the inboard of outer loop portion (410) and connect inner loop portion (420) with flow distribution plate (430) of outer loop portion (410), form upwards open first gas groove (901) between outer loop portion (410), inner loop portion (420) and the up end of lower seat body (300), fire lid subassembly (200) including the lid install first fire lid (210) in first gas groove (901) top, first gas groove (901) are connected to through first connecting port (311) first injection pipe (310), and flow distribution plate (430) are located in the top of first connecting port (311) in order to guide the gas from the both sides of first connecting port (311) top get into first gas groove (901), first gas groove (901) is formed on the inner loop portion (903) inlet channel (903).

2. The burner apparatus of claim 1 wherein the burner apparatus further comprises a combined split-flow base,

the splitter plate (430) is provided with splitter holes (431) penetrating through the upper part and the lower part of the splitter plate.

3. The burner apparatus of claim 1 wherein the burner apparatus further comprises a combined split-flow base,

the upper seat body (400) further comprises an inner fire ring part (440), the inner fire ring part (440) is located on the inner side of the inner ring part (420), the inner fire ring part (440) is connected with the inner ring part (420) through at least one connecting part (450), a second gas tank (902) which is opened upwards is formed on the inner side of the inner fire ring part (440), the fire cover assembly (200) comprises a second fire cover (220) which is covered above the second gas tank (902), a connecting channel (904) which is communicated with the first gas tank (901) and the second gas tank (902) is arranged in the connecting part (450), and an upper gas inlet channel (903) is formed between the inner fire ring part (440) and the inner ring part (420).

4. The burner apparatus of claim 3 wherein the combined split-flow base is,

the connecting parts (450) are configured to be two and distributed on two opposite sides of the inner fire ring part (440), the two connecting parts (450) are distributed along the length direction of the first injection pipe (310), and the connecting channel (904) in one connecting part (450) is communicated to the upper part of the first connecting port (311).

5. The burner apparatus of claim 4 wherein the combined split-flow mount is configured to provide a gas flow,

the connecting part (450) is of an elongated structure with an inverted U-shaped section, and when the upper base (400) is mounted on the lower base (300), a connecting channel (904) is formed between the connecting part (450) and the upper end surface of the lower base (300).

6. The burner apparatus of claim 4 wherein the combined split-flow mount is configured to provide a gas flow,

the two connecting portions (450) divide the gap between the inner fire ring portion (440) and the inner ring portion (420) into two parts to form two upper air inlet channels (903), through holes (312) corresponding to the two upper air inlet channels (903) are formed in two sides of the first injection pipe (310), the burner further comprises a base (500), the split-flow base (100) is installed above the base (500), the base (500) is respectively provided with an ignition needle (610) and an induction needle (620), the ignition needle (610) penetrates through one of the upper air inlet channels (903) to extend to the upper portion of the burner, and the induction needle (620) penetrates through the other upper air inlet channel (903) to extend to the upper portion of the burner.

7. The burner apparatus of claim 1 wherein the burner apparatus further comprises a combined split-flow base,

the lower seat body (300) is provided with second injection pipe (320), and be provided with in the up end of lower seat body (300) with second connector (321) of second injection pipe (320) intercommunication, go up seat body (400) still including interior fire ring portion (440), interior fire ring portion (440) are located the inboard of interior ring portion (420), interior fire ring portion (440) with interior ring portion (420) are connected through at least one connecting portion (450), interior fire ring portion (440) with form between the up end of lower seat body (300) upwardly opening's second gas groove (902), second connector (321) communicate to second gas groove (902), fire lid subassembly (200) are including the lid dress second fire lid (220) in second gas groove (902) top.

8. The burner apparatus of claim 7 wherein the combined split-flow mount is configured to provide a gas flow,

the connecting parts (450) are configured into four gaps which are uniformly distributed between the inner fire ring parts (440) and the inner ring parts (420) in an annular mode so as to form four upper air inlet channels (903), wherein two opposite connecting parts (450) are distributed along the length direction of the first injection pipe (310), the other two opposite connecting parts (450) are distributed along the length direction of the second injection pipe (320), and the lower base body (300) is provided with four through holes (312) which are respectively in one-to-one correspondence with the four upper air inlet channels (903).

9. The burner apparatus of claim 7 wherein the combined split-flow mount is configured to provide a gas flow,

the device also comprises a base (500), wherein the shunt seat (100) is arranged above the base (500), and the shunt seat is arranged above the base,

the base (500) is provided with a first air inlet channel (501) extending from bottom to top, a first air inlet interface (502) is arranged at the lower part of the first air inlet channel (501), and a first nozzle (510) corresponding to the air inlet of the first injection pipe (310) is arranged at the upper part of the first air inlet channel (501);

the base (500) is provided with a second air inlet channel (503) extending from bottom to top, a second air inlet interface (504) is arranged at the lower part of the second air inlet channel (503), and a second nozzle (520) corresponding to the air inlet of the second injection pipe (320) is arranged at the upper part of the second air inlet channel (503).

10. The burner apparatus of claim 1 wherein the burner apparatus further comprises a combined split-flow base,

the inner ring part (420) is connected with the outer ring part (410) through a plurality of external connection parts (460).