CN111043600B - Bilateral air inlet upper air inlet type household burner - Google Patents
Bilateral air inlet upper air inlet type household burner Download PDFInfo
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- CN111043600B CN111043600B CN201911417934.4A CN201911417934A CN111043600B CN 111043600 B CN111043600 B CN 111043600B CN 201911417934 A CN201911417934 A CN 201911417934A CN 111043600 B CN111043600 B CN 111043600B
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- outer ring
- seat
- air
- injection pipe
- air inlet
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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
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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
- F23D14/48—Nozzles
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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
- F23D14/62—Mixing devices; Mixing tubes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
The utility model provides a two side air inlet formula domestic burner furnace end, includes annular burning seat and outer ring fire lid that divides, and outer ring fire lid is established to the burning seat and constitutes outer ring and mixes the air cavity, two air inlets have been seted up to the bottom symmetry of burning seat, and two air inlets's below all is provided with two mixed chambeies that communicate outer ring and mix the air cavity, the below of burning seat transversely is provided with straight tubular outer ring injection pipe on same horizontal plane with mixing the chamber, and outer ring injection pipe slope inserts in one end of mixed chamber, and the outside of outer ring injection pipe is installed towards the nozzle of outer ring injection pipe air inlet end, and mixed chamber, outer ring injection pipe and nozzle all set up in the vertical projection area of burning seat, this burner furnace end simple structure, easily production and assembly, convenient batch production reduces the cost in aspects such as combustor production, assembly, maintenance, because its nozzle is external, can effectively prevent all kinds of problems that the inside tempering of cooking utensils lead to and outer ring fire adopts double nozzle structure, can effectively solve when the inside pressure inequality of furnace end and lead to burning flame uniformity poor.
Description
Technical Field
The invention relates to the field of burners, in particular to a double-side air inlet upper air inlet type household burner.
Background
The structure of the existing burner comprises a burner, a flow divider and a fire cover which are arranged on the burner, so that the overall height of the burner and the burner is too high, most of the existing burner is embedded, the burner is arranged below a panel, the structure of the burner is more compact, the size is smaller, but in the process of assembly and transportation, the burner occupies a larger transportation space due to the irregular shape of the burner, the production cost is increased, and the burner and a nozzle are arranged below the panel, so that various problems such as panel burst, electric control element damage and the like can be caused if the burner is tempered, and therefore, the burner still needs to be further improved.
The existing part of upper air inlet burner is like a Chinese patent 'burner with a backflow pressurizing mixing cabin' (patent No. 20152067589.0 and application No. 201510553982.1), a plurality of ejectors are arranged below the burner, but the ejectors of the part are arranged below a central hole of the circular burner, so that the path of secondary air flowing from bottom to top in the central hole is blocked, and the combustion effect of an inner ring fire hole is affected.
Disclosure of Invention
The invention aims to solve the existing problems, and provides a double-side air inlet upper air inlet type household burner with a simple and reasonable structure, which has the functions of effectively preventing various problems caused by tempering inside a stove and solving the problem that the flame size of a fire cover is poor in consistency when the pressure inside the burner is uneven.
The utility model provides a two side air inlet formula domestic burner furnace end on admitting air, includes annular burning seat and outer ring fire lid, and outer ring fire lid is established on the burning seat and constitutes outer ring air mixing chamber, two air inlets have been seted up to the bottom symmetry of burning seat, and two air inlets's below all is provided with two mixing chamber that communicate outer ring air mixing chamber, the below of burning seat and mixing chamber transversely are provided with straight tubular outer ring injection pipe on same horizontal plane, and outer ring injection pipe slope inserts in one end of mixing chamber, and the outside of outer ring injection pipe is installed towards the nozzle of outer ring injection pipe air inlet end, and mixing chamber, outer ring injection pipe and nozzle all set up in the vertical projection area of burning seat.
The burner has the advantages that the burner is simple in structure, easy to produce and assemble, convenient for batch production, low in cost in the aspects of burner production, assembly, maintenance and the like, various problems caused by tempering in a kitchen range can be effectively prevented due to the fact that the nozzle is arranged outside, and the outer ring fire adopts a double-nozzle structure, so that the problem that the uniformity of flame size of a fire cover is poor when the pressure in the burner is uneven and causes combustion can be effectively solved.
The invention can also be solved by adopting the following technical measures:
The outer ring injection pipes are symmetrically arranged below the combustion seat, an included angle formed between the two outer ring injection pipes is an obtuse angle alpha, an intersection point of central axes of the two outer ring injection pipes is located below the combustion seat, a nozzle seat communicated with the gas pipeline is arranged at the intersection point, and two nozzles with central axes coincident with the central axes of the outer ring injection pipes and facing the air inlet end of the outer ring injection pipes are arranged on the nozzle seat.
The outer ring injection pipes are arranged below the combustion seat in parallel, the air inlet ends of the two outer ring injection pipes face opposite directions, the outer side of each outer ring injection pipe is provided with a nozzle seat communicated with the gas pipeline, and the nozzle seat is provided with a nozzle with a central axis coincident with the central axis of the outer ring injection pipe and facing the air inlet end of the outer ring injection pipe.
The mixing cavity is arc-shaped, an arc-shaped guide surface is arranged on the cavity wall of the mixing cavity relative to the outer ring injection pipe, the outer cavity wall of the mixing cavity smoothly transits with the outer end surface of the combustion seat, and a section of the cavity wall, which is close to the outer ring injection pipe, is narrowed towards the outer cavity wall.
Two middle sections with different lengths are arranged between the two air inlets, two ends of the shorter middle section are connected with the arc-shaped guide surfaces, an annular rectifying plate is horizontally arranged in the outer ring air mixing cavity, the annular rectifying plate is blocked and arranged above the shorter middle section and the two air inlets, the outer ring air mixing cavity is divided into an upper layer air mixing cavity and a lower layer air mixing cavity, an air inlet gap is formed in the position, corresponding to the longer middle section, of the annular rectifying plate, an air inlet gap is formed between the inner edge of the annular rectifying plate and the inner cavity wall of the air mixing cavity of the outer ring air mixing cavity, and the upper layer air mixing cavity and the lower layer air mixing cavity are communicated with the air inlet gap through the air inlet gap.
The inner cavity wall of the mixing cavity is obliquely arranged from bottom to top in the direction of the outer cavity wall of the mixing cavity.
The combustion seat comprises an injection seat and a fire cover seat, the fire cover seat is arranged above the injection seat, the outer ring fire dividing cover is arranged on the fire cover seat and forms an outer ring mixing cavity, two air inlets are symmetrically arranged at the bottom of the fire cover seat, and two mixing cavities are concavely arranged at positions of the injection seat corresponding to the two air inlets.
The combustion seat is internally provided with a central air mixing cavity, the upper end cover of the central air mixing cavity is provided with a central fire dividing cover, the lower end of the central air mixing cavity is transversely connected with a central injection pipe, the central injection pipe is integrally connected with the combustion seat, the lower part of the combustion seat is provided with a central nozzle seat, and the central nozzle seat is provided with a central nozzle facing the air inlet end of the central injection pipe.
The outer ring injection pipe is integrally connected with the combustion seat.
The included angle alpha is more than or equal to 75 degrees and less than or equal to 150 degrees.
The beneficial effects of the invention are as follows:
1. Compared with the traditional burner, the burner has the advantages that the gas nozzle is arranged outside, so that various problems caused by tempering inside a kitchen range, such as panel explosion, damage to an electric control element and the like, can be effectively prevented.
2. The upper air inlet burner has the advantages of simple structure, no burner structure, reduced overall height of the burner, reduced difficulty in die production, reduced number of dies, easy production and assembly, convenient mass production, and reduced cost in the aspects of burner production, assembly, maintenance and the like.
3. The burner head of the burner adopts a circular structure, has a regular structure, can be directly assembled with the fire distributing cover and other structures, has small volume, can effectively reduce the space occupied by the burner for kitchen range and the space for assembly and transportation, and further reduces the production cost.
4. The outer ring fire of this combustor adopts two nozzles and two mixed chamber structures, can make gas and air flow path rounder, and the distance further increases in limited space, improves the mixed effect of gas, can effectively solve the inside pressure inequality of furnace end and lead to the uniformity of fire lid flame size poor and gas mixing inequality to cause combustion effect subalternation problem when burning.
5. The area of the central hole of the burner, which is shielded by the injection pipe and related structures, is reduced, so that the convection effect of secondary air entering the center of the burner is smoother, and the combustion effect of the burner is improved.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 3 is a schematic structural view of a third embodiment of the present invention.
FIG. 4 is a schematic cross-sectional view of an ejector of the present invention.
Fig. 5 is a schematic view of an exploded structure of the present invention.
Fig. 6 is a schematic cross-sectional structure of the present invention.
Fig. 7 is a partially exploded view of the present invention.
Detailed Description
The invention will be further described with reference to the drawings and examples.
As shown in fig. 1 to 7, the first embodiment: the utility model provides a two side air inlet formula domestic burner furnace end on admitting air, includes annular burning seat 1 and outer ring fire-dividing lid 2, and outer ring fire-dividing lid 2 lid is established on burning seat 1 and is constituted outer ring air mixing chamber 3, two air inlets 4 have been seted up to the bottom symmetry of burning seat 1, and two air inlets 4's below all is provided with two mixing chamber 5 of intercommunication outer ring air mixing chamber 3, the below of burning seat 1 and mixing chamber 5 transversely are provided with straight tubular outer ring ejector tube 6 on same horizontal plane, and outer ring ejector tube 6 slope inserts in one tip of mixing chamber 5, and outer ring ejector tube 6's outside is installed towards outer ring ejector tube 6 air inlet end's nozzle 7, and mixing chamber 5, outer ring ejector tube 6 and nozzle 7 all set up in the vertical projection area of burning seat 1.
The burner is simple in structure, easy to produce and assemble, convenient for mass production, and capable of reducing costs in the aspects of burner production, assembly, maintenance and the like, and can effectively prevent various problems caused by tempering in a kitchen range due to the fact that the nozzle 7 is arranged outside, and the outer ring fire adopts a double-nozzle structure, so that the problem that the uniformity of flame size of a fire cover is poor when the pressure in the burner is uneven and causes combustion can be effectively solved, in addition, the mixing cavity 5, the outer ring injection pipe 6 and the nozzle 7 are arranged in the vertical projection area of the combustion seat 1, the central hole of the burner is enabled to be more transparent, the area of the central hole blocked by the injection pipe and related structures is reduced, the convection effect is smoother after secondary air enters the center of the burner, and the combustion effect of the burner is improved.
Second embodiment: the outer ring injection pipes 6 are symmetrically arranged below the combustion seat 1, an included angle formed between the two outer ring injection pipes 6 is an obtuse angle alpha (shown in figure 2), an intersection point of central axes of the two outer ring injection pipes 6 is positioned below the combustion seat 1, a nozzle seat 8 communicated with a fuel gas pipeline is arranged at the intersection point, and two nozzles 7 with central axes overlapping with the central axes of the outer ring injection pipes 6 and facing the air inlet end of the outer ring injection pipes 6 are arranged on the nozzle seat 8; the burner with the structure can enable fuel gas to flow to the two ends of the outer ring mixed gas cavity 3 after being injected into the outer ring mixed gas cavity 3 through the symmetrical outer ring injection pipe 6 and the mixed cavity 5, and the flow speed of the mixed gas can be reduced due to the collided mixed gas.
Third embodiment: the outer ring injection pipes 6 are arranged below the combustion seat 1 in parallel, the air inlet ends of the two outer ring injection pipes 6 face opposite directions (shown in fig. 3), the outer side of each outer ring injection pipe 6 is provided with a nozzle seat 8 communicated with a gas pipeline, and the nozzle seat 8 is provided with a nozzle 7 with a central axis coincident with the central axis of the outer ring injection pipe 6 and facing the air inlet end of the outer ring injection pipe 6; the burner with the structure can enable the gas to be sprayed into the outer ring mixing cavity through the outer ring injection pipe 6 and the mixing cavity 5 to form an air flow rotating in the outer ring mixing cavity, so that the gas mixing effect is better.
The distance between the nozzle 7 and the end face of the air inlet end of the outer ring injection pipe 6 is H, and H is more than or equal to 0mm and less than or equal to 2mm.
The mixing cavity 5 is arc-shaped, an arc-shaped guide surface 51 is arranged on the cavity wall of the mixing cavity 5 opposite to the outer ring injection pipe 6, the outer cavity wall 52 of the mixing cavity 5 is in smooth transition with the outer end surface of the combustion seat 1, and a section of the inner cavity wall 53, which is close to the outer ring injection pipe 6, is narrowed toward the outer cavity wall 52; the structure is regular, the volume is small, the space occupied by the burner for kitchen range and the space for assembly and transportation can be effectively reduced, the production cost is further reduced, the arc-shaped guide surface 51 is used for rapidly guiding the gas into the outer ring mixed gas cavity 3 after the gas is sprayed out by the outer ring injection pipe 6, the flowing process of the mixed gas is smoother, the mixed gas is reduced to collide with the straight cavity wall, the turbulence formed in the outer ring mixed gas cavity 3 is reduced, the combustion effect is unstable, the volume of the mixed cavity 5 is gradually increased by the inner cavity wall 53 of the structure, the compressed gas is released in a sufficient space, the volume is increased, and the mixed gas and air are fully mixed.
The center points of the cavity walls at the left end and the right end of the mixing cavity 5 are connected into an axis, and the included angle formed between the axis and the central axis of the outer ring injection pipe 6 is an obtuse angle theta which is more than or equal to 100 degrees and less than or equal to 130 degrees.
Two middle sections 9 with different lengths are arranged between the two air inlets 4, two ends of the shorter middle section 9 are connected with the arc-shaped guide surface 51, an annular rectifying plate 10 is horizontally arranged in the outer ring air mixing cavity 3, the annular rectifying plate 10 is blocked and arranged above the shorter middle section 9 and the two air inlets 4, the outer ring air mixing cavity 3 is divided into an upper layer air mixing cavity 301 and a lower layer air mixing cavity 302, an air inlet gap 1001 is formed in the position, corresponding to the longer middle section 9, of the annular rectifying plate 10, an air inlet gap 304 is arranged between the inner edge of the annular rectifying plate 10 and the inner cavity wall 303 of the air mixing cavity of the outer ring air mixing cavity 3, and the upper layer air mixing cavity 301 and the lower layer air mixing cavity 302 are communicated with the air inlet gap 1001 through the air inlet gap 304;
Because the length of the outer ring injection pipe 6 needs to be reserved, the positions of the two air inlets 4 are symmetrical, but the intervals between the head and the tail ends are unequal, when fuel gas enters the outer ring mixing cavity 3 through the mixing cavity 5, the problem that the consistency of flame sizes of flame covers of burners is poor and combustion is unstable due to the fact that the local fuel gas concentration of the shorter middle section 9 is large, part of mixed gas of the lower layer mixing cavity 302 can be transversely guided to the position of an air inlet notch 1001 corresponding to the longer middle section 9 (the gas concentration of the area is lower) by the annular rectifying plate 10 and then flows into the upper layer mixing cavity 301, and the other part of mixed gas flows into the upper layer mixing cavity 301 from the lower layer mixing cavity 302 through the air inlet interval 304 and is discharged through a flame hole for combustion can be effectively solved.
The inner cavity wall 303 of the mixing cavity is obliquely arranged from bottom to top in the direction of the outer cavity wall 305 of the mixing cavity; the outer cavity wall 305 of the gas mixing cavity is inclined towards the direction of the fire outlet of the fire distributing cover, and when the mixed gas flows into the upper mixed gas cavity 301 from the lower mixed gas cavity 302, the inclined outer cavity wall 305 of the gas mixing cavity has a guiding function, so that the mixed gas can quickly flow to the vicinity of the position of the fire outlet, and the spraying speed of the mixed gas from the fire outlet is improved.
The combustion seat 1 comprises an injection seat 11 and a fire cover seat 12, the fire cover seat 12 is arranged above the injection seat 11, the outer ring fire dividing cover 2 is arranged on the fire cover seat 12 in a covering manner and forms an outer ring mixing cavity 3, two air inlets 4 are symmetrically arranged at the bottom of the fire cover seat 12, and two mixing cavities 5 are concavely arranged at positions of the injection seat 11 corresponding to the two air inlets 4; simple structure saves furnace end structure, reduces the whole height of combustor, reduces the degree of difficulty of mould production and reduces the quantity of mould, easily production and assembly, and convenient batch production can reduce the cost in aspects such as combustor production, assembly, maintenance.
Four lower connecting holes 111 are formed in the injection seat 11 along the circumferential direction at equal intervals, a connecting boss 31 is extended into the outer ring air mixing cavity 3 corresponding to the lower connecting holes 111 on the fire cover seat 12, a connecting through hole 311 is formed in the connecting boss 31, and a fastener A passes through the connecting boss 31 and the lower connecting holes 111 to fixedly connect the injection seat 11 with the fire cover seat 12.
The annular rectifying plate 10 is arranged on the connecting boss 31, so that the annular rectifying plate 10 divides the outer ring air mixing cavity 3, an upper connecting hole 1002 is formed in the annular rectifying plate 10 corresponding to the connecting through hole 311, and the fastener A sequentially penetrates through the upper connecting hole 1002, the connecting through hole 311 and the lower connecting hole 111 to fixedly connect the three.
A central air mixing cavity 13 is arranged in the combustion seat 1, a central fire dividing cover 14 is arranged on the upper end part of the central air mixing cavity 13 in a covering manner, a central injection pipe 15 is transversely connected to the lower end part of the central air mixing cavity 13, the central injection pipe 15 is integrally connected with the combustion seat 1, a central nozzle seat 16 is arranged below the combustion seat 1, and a central nozzle 17 facing the air inlet end of the central injection pipe 15 is arranged on the central nozzle seat 16; the central injection pipe 15 can be arranged on the symmetrical surfaces of the two outer ring injection pipes 6, or offset adjustment is carried out according to actual needs, the burner increases central fire, and the bottom of the cooker can be heated more uniformly.
The outer ring injection pipe 6 is integrally connected with the combustion seat 1; the outer ring injection pipe 6 is of an integrated cylinder structure, so that the problems that the outer ring injection pipe 6 is easy to generate gap leakage and the like due to riveting can be avoided, and the air tightness of the burner is better improved due to the integrated connection with the combustion seat 1.
The included angle alpha is more than or equal to 75 degrees and less than or equal to 150 degrees; the contained angle between two outer ring ejector pipes 6 is according to the ring body width of combustion seat 1, and when the ring body width of combustor 1 is more narrow, the contained angle between two outer ring ejector pipes 6 is bigger, and conversely, when the ring body width is more wide, the contained angle between two outer ring ejector pipes 6 is smaller, makes two outer ring ejector pipes 6 all the time under the vertical projection area of combustion seat 1 according to the regulation of contained angle, guarantees moreover that outer ring ejector pipe 6 has sufficient length to satisfy gas mixing needs.
The top of the inner cavity wall 303 of the mixing cavity is provided with an inclined abutting surface 303-1, the bottom of the inner edge of the corresponding outer ring fire dividing cover 2 is provided with an inner edge bottom surface 201 matched with the abutting surface 303-1, a plurality of notches are formed in the circumferential direction of the inner edge bottom surface 201, when the outer ring fire dividing cover 2 is covered on the combustion seat 1, the notches and the abutting surface 303-1 form an inner ring fire outlet 202, the periphery of the outer ring fire dividing cover 2 is provided with a plurality of outer ring fire outlet 203, the inclined abutting surface 303-1 facilitates the outer ring fire dividing cover 2 to be installed on the combustion seat 1, the outer ring fire dividing cover can be positioned and fixed more quickly, the inner ring fire dividing cover falls into a concentric position with the combustion seat 1, and the air sealing can be improved through the matching of the inclined surfaces and the inclined surfaces.
In addition, at least one ignition needle 18 and a flame induction needle 19 are arranged on the periphery of the center fire dividing cover 14, and because the inner ring fire outlet 202 is arranged on the outer ring fire dividing cover 2, only one ignition needle 18 is needed, and after the fire outlet of the center fire dividing cover 14 is ignited by the ignition needle 18, the flame of the center fire dividing cover 14 can ignite the fuel gas sprayed by the inner ring fire outlet 202, so that the burner structure is more compact and simpler, and the burner is convenient to clean in the future.
Still include cooking utensils panel 20 and set up the mounting substrate 21 in cooking utensils panel 20 below, set up a plurality of on the cooking utensils panel 20 and go up trompil 2001, lower trompil 2101 has been seted up to mounting substrate 21 correspondence on the trompil 2001, the up end of cooking utensils panel 20 is provided with down trompil 2101 threaded connection's reference column 22, the reference column 22 is equipped with the spacer 221 outward, the bottom of combustor is equipped with the location jack 101 with reference column 22 top complex, make the clearance 2002 that the secondary air got into be provided with between combustor and the cooking utensils panel 20 through the spacer 221.
In addition, the combustor is not limited to the outer ring mixed air cavity 3, the number of layers of the outer ring mixed air cavity 3 can be increased to two layers, three layers or more according to actual production requirements, the flowing distance of mixed gas is prolonged, the flowing path is rounder, and therefore the mixing effect of gas and air is more ideal.
The foregoing is a preferred embodiment of the invention showing and describing the general principles, features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the invention, and that various changes and modifications may be effected therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a two side air inlet formula domestic burner furnace end on admitting air, includes annular burning seat (1) and outer ring fire dividing lid (2), and outer ring fire dividing lid (2) lid is established on burning seat (1) and is constituted outer ring and mixes air cavity (3), its characterized in that: two air inlets (4) are symmetrically formed in the bottom of the combustion seat (1), two mixing cavities (5) communicated with the outer ring mixing cavity (3) are formed below the two air inlets (4), a straight tubular outer ring injection pipe (6) is transversely arranged below the combustion seat (1) and on the same horizontal plane with the mixing cavities (5), the outer ring injection pipe (6) is obliquely connected into one end part of the mixing cavities (5), a nozzle (7) facing the air inlet end of the outer ring injection pipe (6) is arranged on the outer side of the outer ring injection pipe (6), and the mixing cavities (5), the outer ring injection pipe (6) and the nozzle (7) are all arranged in the vertical projection area of the combustion seat (1);
The outer ring injection pipes (6) are symmetrically arranged below the combustion seat (1), an included angle formed between the two outer ring injection pipes (6) is an obtuse angle alpha, an intersection point of central axes of the two outer ring injection pipes (6) is positioned below the combustion seat (1), a nozzle seat (8) communicated with a fuel gas pipeline is arranged at the intersection point, and two nozzles (7) with central axes coincident with the central axes of the outer ring injection pipes (6) and facing the air inlet end of the outer ring injection pipes (6) are arranged on the nozzle seat (8);
The outer ring injection pipes (6) are arranged below the combustion seat (1) in parallel, the air inlet ends of the two outer ring injection pipes (6) face opposite directions, the outer side of each outer ring injection pipe (6) is provided with a nozzle seat (8) communicated with a fuel gas pipeline, and the nozzle seat (8) is provided with a nozzle (7) with a central axis coincident with the central axis of the outer ring injection pipe (6) and facing the air inlet end of the outer ring injection pipe (6);
The mixing cavity (5) is arc-shaped, an arc-shaped guide surface (51) is arranged on the cavity wall of the mixing cavity (5) opposite to the outer ring injection pipe (6), the outer cavity wall (52) of the mixing cavity (5) is in smooth transition with the outer end surface of the combustion seat (1), and a section of the inner cavity wall (53) close to the outer ring injection pipe (6) is narrowed towards the outer cavity wall (52);
Two middle sections (9) with different lengths are arranged between the two air inlets (4), two ends of the shorter middle section (9) are connected with the arc-shaped guide surface (51), an annular rectifying plate (10) is horizontally arranged in the outer ring air mixing cavity (3), the annular rectifying plate (10) is blocked and arranged above the shorter middle section (9) and the two air inlets (4) and divides the outer ring air mixing cavity (3) into an upper layer air mixing cavity (301) and a lower layer air mixing cavity (302), an air inlet gap (1001) is formed in the position, corresponding to the longer middle section (9), of the annular rectifying plate (10), and an air inlet space (304) is arranged between the inner edge of the annular rectifying plate (10) and the inner cavity wall (303) of the air mixing cavity of the outer ring air mixing cavity (3), and the upper layer air mixing cavity (301) and the lower layer air mixing cavity (302) are communicated with the air inlet gap (1001) through the air inlet space (304).
The inner cavity wall (303) of the mixing cavity is obliquely arranged from bottom to top in the direction of the outer cavity wall (305) of the mixing cavity.
2. A double sided inlet upper air inlet household burner as claimed in claim 1, wherein: the combustion seat (1) comprises an injection seat (11) and a fire cover seat (12), the fire cover seat (12) is arranged above the injection seat (11), the outer ring fire dividing cover (2) covers the fire cover seat (12) and forms an outer ring mixing cavity (3), two air inlets (4) are symmetrically formed in the bottom of the fire cover seat (12), and two mixing cavities (5) are concavely formed in positions of the injection seat (11) corresponding to the two air inlets (4).
3. A double sided inlet upper air inlet household burner as claimed in claim 1, wherein: the combustion seat (1) is internally provided with a central air mixing cavity (13), the upper end cover of the central air mixing cavity (13) is provided with a central fire distributing cover (14), the lower end part of the central air mixing cavity (13) is transversely connected with a central injection pipe (15), the central injection pipe (15) is integrally connected with the combustion seat (1), the lower part of the combustion seat (1) is provided with a central nozzle seat (16), and the central nozzle seat (16) is provided with a central nozzle (17) facing the air inlet end of the central injection pipe (15).
4. A double sided inlet upper air inlet household burner as claimed in claim 1, wherein: the outer ring injection pipe (6) is integrally connected with the combustion seat (1).
5. A double sided inlet upper air inlet household burner as claimed in claim 1, wherein: the included angle alpha is more than or equal to 75 degrees and less than or equal to 150 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911417934.4A CN111043600B (en) | 2019-12-31 | 2019-12-31 | Bilateral air inlet upper air inlet type household burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911417934.4A CN111043600B (en) | 2019-12-31 | 2019-12-31 | Bilateral air inlet upper air inlet type household burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111043600A CN111043600A (en) | 2020-04-21 |
| CN111043600B true CN111043600B (en) | 2024-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911417934.4A Active CN111043600B (en) | 2019-12-31 | 2019-12-31 | Bilateral air inlet upper air inlet type household burner |
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| CN (1) | CN111043600B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060817B (en) * | 2021-11-23 | 2024-05-14 | 佛山市顺德区美的洗涤电器制造有限公司 | Ejector, upper air inlet combustor and gas stove |
| CN115143458B (en) * | 2022-05-31 | 2025-08-19 | 中山市新众发金属制品有限公司 | Novel combustor |
| CN115574317B (en) * | 2022-09-30 | 2025-12-12 | 海信(山东)厨卫有限公司 | A fully top-mounted air intake stove |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN211902879U (en) * | 2019-12-31 | 2020-11-10 | 深圳市火王燃器具有限公司 | Bilateral air inlet upper air inlet type domestic burner |
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| US4773384A (en) * | 1983-11-04 | 1988-09-27 | Modern Home Products Corp. | Adjustable gas intake assembly |
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| US4679544A (en) * | 1983-11-04 | 1987-07-14 | Modern Home Products Corp. | Threaded adjustable gas intake assembly |
| CN201416891Y (en) * | 2009-06-02 | 2010-03-03 | 广东好迪生活电器有限公司 | All-around air-intake type stove combustor |
| CN104713084B (en) * | 2015-03-12 | 2017-10-27 | 广东美的厨房电器制造有限公司 | burner and gas appliance |
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2019
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211902879U (en) * | 2019-12-31 | 2020-11-10 | 深圳市火王燃器具有限公司 | Bilateral air inlet upper air inlet type domestic burner |
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| Publication number | Publication date |
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| CN111043600A (en) | 2020-04-21 |
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Address after: 518100 Yantian Community, Xixiang Street, Bao'an District, Shenzhen City, Guangdong Province, China Merchants Green Building 6, Building 7, 1100 Patentee after: Shenzhen Huowang intelligent kitchen electric Co.,Ltd. Country or region after: China Address before: 518100 9th floor, Baogang center, Baoyuan Road, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN HUOWANG GAS APPLIANCE Co.,Ltd. Country or region before: China |