CN109855095B - Gas burner - Google Patents
Gas burner Download PDFInfo
- Publication number
- CN109855095B CN109855095B CN201711235168.0A CN201711235168A CN109855095B CN 109855095 B CN109855095 B CN 109855095B CN 201711235168 A CN201711235168 A CN 201711235168A CN 109855095 B CN109855095 B CN 109855095B
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- Prior art keywords
- ring
- outer ring
- chamber
- decompression
- inner ring
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- 230000006837 decompression Effects 0.000 claims abstract description 100
- 238000002347 injection Methods 0.000 claims description 15
- 239000007924 injection Substances 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000087 stabilizing effect Effects 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Abstract
The utility model relates to a gas burner, which is internally provided with an inner ring decompression chamber and/or an outer ring decompression chamber, wherein the inner ring decompression chamber is communicated with a first inner ring mixed air chamber and a second inner ring mixed air chamber, the outer ring decompression chamber is communicated with the first outer ring mixed air chamber and the second outer ring mixed air chamber, and the inner ring decompression chamber and the outer ring decompression chamber are respectively convexly provided with an inner ring decompression ring and an outer ring decompression ring, so that the mixed gas entering the inner ring decompression chamber and the outer ring decompression chamber can be buffered, the air pressure of the mixed gas in the second inner ring mixed air chamber and the second outer ring mixed air chamber is reduced, the effect of stabilizing flame is achieved, the flame is effectively prevented from being lifted and the flame is effectively prevented from being removed, the structure of the burner is improved, additional parts are not needed, the structure is simple, and the manufacturing cost is saved.
Description
Technical Field
The utility model relates to the field of gas stoves, in particular to a gas burner.
Background
The existing gas burner generally comprises a base, an inner ring fire cover and an outer ring fire cover, wherein the base is connected with an injection pipe, the tail end of the injection pipe is provided with a primary air inlet for providing primary air, the tail end of the injection pipe is connected with a nozzle, and the nozzle conveys required gas and converts potential energy of the gas into kinetic energy. Currently, in order to stabilize flame, a gas burner on the market is commonly used, a wind shield is additionally arranged on the burner, for example, chinese patent utility model patent No. ZL02273001.X (issued public number is CN 25882333Y) discloses an environment-friendly rotary flame combustion device, the device consists of a furnace end, an outer ring flame cover and an inner ring flame cover, a wind shield is arranged around the rotary flame burner, and a certain gap is kept between the wind shield and the rotary flame burner; the utility model patent No. ZL201420061314.8 (issued publication No. CN 203771470U) discloses a wind-proof burner for gas cookers, which comprises a fire cover, an upper shell and a lower shell, wherein the upper shell and the lower shell form a mixing cavity, the fire cover is arranged at the top of the mixing cavity, a wind guard arranged around the fire cover is arranged outside the fire cover, a convex ring is arranged on the periphery of the fire cover, a fire outlet is arranged on the outer side surface of the convex ring, a wind-proof cavity is formed between the wind guard and the convex ring, and the wind-proof cavity is communicated with the outside.
From the above, through setting up the deep bead and improving the combustor structure in order to realize stable flame, not only make the combustor structure complicated, inconvenient processing and equipment, but also can increase the manufacturing cost of combustor.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a gas burner which has a simple structure and can effectively realize flame stabilization.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a gas burner, includes base, outer ring fire lid, inner ring fire lid, outer loop injection pipe and inner ring injection pipe, inner ring air inlet and outer loop air inlet have been seted up respectively to the bottom of base, the inner ring the gas outlet that outer loop injection pipe and inner ring injection pipe connect above-mentioned inner ring air inlet and outer loop air inlet respectively to the inner chamber of junction forms first inner ring air mixing chamber and first outer ring air mixing chamber, its characterized in that respectively: an inner ring pressure reducing chamber with an upward opening is arranged in the center of the top of the base, the inner ring pressure reducing chamber is communicated with the first inner ring mixing chamber, the inner ring fire cover is arranged on the inner ring pressure reducing chamber in a covering mode, a second inner ring mixing chamber communicated with the inner ring pressure reducing chamber is formed by surrounding the inner ring fire cover, and an inner ring pressure reducing ring extending along the circumferential direction of the inner peripheral surface of the inner ring pressure reducing chamber is convexly arranged on the inner wall of the inner ring pressure reducing chamber;
the outer periphery at the top of base is provided with the outer loop decompression chamber that just opens up with above-mentioned inner loop decompression chamber as the center, and this outer loop decompression chamber communicates with above-mentioned first outer loop air mixing chamber, outer loop fire lid is established on this outer loop decompression chamber, and its inside enclose the communicating second outer loop air mixing chamber of this outer loop decompression chamber, and the outer loop decompression ring of protruding extending along its inner peripheral circumference is equipped with on the inner wall of at least one side of this outer loop decompression chamber, leaves the gap of communicating above-mentioned first outer loop air mixing chamber and second outer loop air mixing chamber between this outer loop decompression ring and the opposite side inner wall of outer loop decompression chamber, perhaps is equipped with the vent of communicating above-mentioned first outer loop air mixing chamber and second outer loop air mixing chamber on this outer loop decompression ring.
Preferably, the annular surfaces of the inner ring decompression ring and the outer ring decompression ring extend along the axial direction or extend along the radial direction, so that the air flow entering the inner ring decompression chamber and the outer ring decompression chamber can be blocked more effectively, and the air flow can be buffered more effectively.
Preferably, the inner side edge of the inner ring pressure reducing ring extends vertically or obliquely inwards from bottom to top; the inner side edge of the outer ring decompression ring extends vertically or obliquely inwards from bottom to top. The inclined arrangement of the inner side edge can increase the resistance of the air flow back flow, so that the occurrence probability of backfire phenomenon is reduced.
Further, an included angle formed by the inner side edge of the inner ring pressure reducing ring and the central shaft of the inner ring pressure reducing ring is 1-20 degrees; the included angle between the inner side edge of the outer ring pressure reducing ring and the central shaft of the outer ring pressure reducing ring is 1-20 degrees.
Preferably, the inner ring decompression ring is at least one and is arranged on the inner wall of the inner ring decompression chamber in an inner step shape; and the outer ring decompression ring is at least one and is arranged on the inner wall of the outer ring decompression chamber in an inner step shape. The decompression ring can block the airflow for multiple times along the airflow direction, so that the airflow is buffered for multiple times.
Preferably, the number of the inner ring pressure reducing rings is two, the ring surfaces of the two inner ring pressure reducing rings extend along the axial direction, and the inner ring pressure reducing ring positioned on the upper layer protrudes relative to the inner ring pressure reducing ring positioned on the lower layer along the circumferential direction. After the mixed gas is buffered through the lower inner ring pressure reducing ring, the upper inner ring pressure reducing ring can further effectively buffer the mixed gas, and the inner ring pressure reducing chamber can more effectively play a role of stabilizing flame through progressive buffer treatment of two layers.
Preferably, the number of the outer ring decompression rings is two, the annular surface of the outer ring decompression ring positioned at the lower layer extends along the axial direction, the annular surface of the outer ring decompression ring positioned at the upper layer extends along the radial direction and is transversely arranged in the outer ring decompression chamber, uniform-speed gas outlets penetrating up and down are arranged on the annular surface along the circumferential direction at intervals, the uniform-speed gas outlets are the air vents, and the uniform-speed gas outlets and the outer ring decompression ring positioned at the lower layer are arranged in a staggered mode. After the mixed gas is buffered by the outer ring decompression rings at the lower layer, the mixed gas uniformly enters the second outer ring mixed gas cavity after being buffered by the plurality of uniform gas outlets, is further mixed in the second outer ring mixed gas cavity, and is uniformly combusted in the fire outlet holes of the outer ring fire cover.
Preferably, the upper part of the outer peripheral wall of the inner ring decompression chamber is collapsed downwards along the circumferential direction to form a mounting ring edge for erecting the lower peripheral edge of the inner ring fire cover, thereby facilitating the mounting of the inner ring fire cover.
Preferably, the width of each of the inner ring decompression ring and the outer ring decompression ring along the axial direction is 1-8 mm.
Preferably, the base is provided with an annular cavity, the inner ring decompression chamber and the outer ring decompression chamber are respectively arranged on the inner side and the outer side of the annular cavity, and secondary air holes communicated with the annular cavity are formed in the side wall of the outer ring decompression chamber at intervals along the circumferential direction, so that the full combustion of inner ring flames is facilitated, and the combustion efficiency is improved.
Preferably, the outer ring fire cover comprises a fire cover body, the fire cover body comprises an annular top wall, an inner annular wall and an outer annular wall, the inner annular wall and the outer annular wall are vertically downward or obliquely downward from the inner side edge and the outer side edge of the annular top wall, the second outer ring air mixing cavity is formed by surrounding the inner annular wall, the outer annular wall and the annular top wall, main fire holes are formed in the outer annular wall at intervals along the circumferential direction, interval protruding blocks are arranged in the bottom surface of the annular top wall at intervals along the circumferential direction, each interval protruding block extends to the inner annular surface of the outer annular wall above the main fire holes, and an air flow buffer area is formed between each adjacent interval protruding blocks. By arranging the spacing convex blocks, the air flow entering the second outer ring air mixing cavity can be split into the air flow buffer areas, so that the speed of the air flow in the second outer ring air mixing cavity can be reduced, the air flow in the air flow buffer areas can reach dynamic balance of distribution and movement, the air flow entering the main fire hole can be more stable, and stable combustion of flame is finally achieved.
Further, each spacing lug is respectively staggered with the uniform-speed gas outlets, so that the buffer effect on the gas flow is further increased.
Preferably, the inner ring decompression ring and the inner ring decompression chamber and the outer ring decompression ring and the outer ring decompression chamber are respectively integrated, so that the processing and the manufacturing are convenient, and the internal structure of the burner is more stable.
Compared with the prior art, the utility model has the advantages that: according to the utility model, the inner ring decompression chamber and the outer ring decompression chamber are arranged, and the inner ring decompression ring and the outer ring decompression ring are respectively arranged in the inner ring decompression chamber and the outer ring decompression chamber in a protruding mode, so that the mixed gas entering the inner ring decompression chamber and the outer ring decompression chamber can be buffered, the air pressure of the mixed gas in the second inner ring mixed gas chamber and the second outer ring mixed gas chamber is further reduced, the flame stabilizing effect is achieved, the flame separation and the flame release phenomenon are effectively prevented, the structure of the burner is improved, additional parts are not required to be added, the structure is simple, and the manufacturing cost is saved.
Drawings
FIG. 1 is a schematic view of a gas burner according to embodiment 1 of the present utility model;
FIG. 2 is a partially exploded view of the gas burner in embodiment 1 of the present utility model;
FIG. 3 is a schematic view of the structure of FIG. 1 in another direction;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along the direction B-B of FIG. 3;
FIG. 6 is a cross-sectional view taken along the direction C-C of FIG. 2;
FIG. 7 is a sectional view of a gas burner in embodiment 2 of the present utility model;
fig. 8 is a schematic structural view of an outer ring fire cover in embodiment 3 of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
Example 1:
as shown in fig. 1 to 6, a gas burner comprises a base 1, an outer ring fire cover 2, an inner ring fire cover 3, an outer ring injection pipe 4 and an inner ring injection pipe 5, wherein an inner ring air inlet 63 and an outer ring air inlet 74 are respectively formed at the bottom of the base 1, air outlets of the inner ring injection pipe 4 and the inner ring injection pipe 5 are respectively connected with the inner ring air inlet 63 and the outer ring air inlet 74, and inner cavities at the connecting positions respectively form a first inner ring air mixing cavity 51 and a first outer ring air mixing cavity 41.
Further, a cylindrical inner ring pressure reducing chamber 6 with an upward opening is provided at the center of the top of the base 1, the inner ring pressure reducing chamber 6 communicates with the first inner ring air mixing chamber 51, the inner ring flame cover 3 is provided on the inner ring pressure reducing chamber 6, a second inner ring air mixing chamber 10 communicating with the inner ring pressure reducing chamber 6 is enclosed inside the inner ring flame cover, and an inner ring pressure reducing ring 62 is provided on the inner peripheral surface of the inner ring pressure reducing chamber 6 in the circumferential direction. Meanwhile, an annular outer ring pressure reducing chamber 7 with the inner ring pressure reducing chamber 6 as a center and an upward opening is arranged on the periphery of the top of the base 1, the outer ring pressure reducing chamber 7 is communicated with the first outer ring air mixing chamber, the outer ring fire cover 2 is arranged on the outer ring pressure reducing chamber 7 in a covering manner, a second outer ring air mixing chamber 9 communicated with the outer ring pressure reducing chamber 7 is enclosed inside the outer ring pressure reducing chamber, an outer ring pressure reducing ring 72 is circumferentially arranged on the inner peripheral surface of the outer side of the outer ring pressure reducing chamber 7, a gap for communicating the first outer ring air mixing chamber with the second outer ring air mixing chamber 9 is reserved between the outer ring pressure reducing ring 72 and the inner wall of the outer ring pressure reducing chamber 7, or a vent for communicating the first outer ring air mixing chamber with the second outer ring air mixing chamber 9 is arranged on the outer ring pressure reducing ring 72. Through setting up inner ring decompression chamber 6 and outer loop decompression chamber 7 to set up inner ring decompression ring 62 and outer loop decompression ring 72 respectively in this inner ring decompression chamber 6 and outer loop decompression chamber 7, thereby can cushion the mixed gas that gets into inner ring decompression chamber 6 and outer loop decompression chamber 7, play the effect of steady flame, effectively prevent the emergence of flame and take off the fire phenomenon, and the utility model only improves the structure of combustor itself, need not extra increase part, simple structure has saved manufacturing cost. Preferably, the inner ring decompression ring 62 and the inner ring decompression chamber 6 are integrated, and the outer ring decompression ring 72 and the outer ring decompression chamber 7 are also integrated, so that the processing and the manufacturing are convenient, and the internal structure of the burner is more stable.
In this embodiment, the annular surfaces of the inner ring pressure reducing ring 62 and the outer ring pressure reducing ring 72 extend in the axial direction or the radial direction, and at least one of the inner ring pressure reducing rings 62 is arranged on the inner wall of the inner ring pressure reducing chamber 6 in an inner step shape, and at the same time, at least one of the outer ring pressure reducing rings 72 is arranged on the inner wall of the outer ring pressure reducing chamber 7 in an inner step shape. Further, in the present embodiment, the inner edges of each inner ring relief ring 62 and each outer ring relief ring 72 extend vertically.
Specifically, in the present embodiment, the inner ring relief ring 62 and the outer ring relief ring 72 are two. The annular surfaces of the two inner ring pressure reducing rings 62 extend along the axial direction, and the inner ring pressure reducing ring 62 positioned on the upper layer protrudes along the circumferential direction relative to the inner ring pressure reducing ring 62 positioned on the lower layer, so that after the mixed gas is buffered by the inner ring pressure reducing ring 62 positioned on the lower layer, the inner ring pressure reducing ring 62 positioned on the upper layer can further effectively buffer the mixed gas, and the effect of flame stabilization can be more effectively exerted through progressive buffer treatment of two layers.
In addition, in this embodiment, the annular surface of the outer ring pressure reducing ring 72 located at the lower layer extends along the axial direction, while the annular surface of the outer ring pressure reducing ring 72 located at the upper layer extends along the radial direction and is transversely arranged in the outer ring pressure reducing chamber 7, four uniform velocity gas outlets 73 penetrating up and down are arranged on the annular surface along the circumferential direction at intervals, the uniform velocity gas outlets 73 are the ventilation openings, and the uniform velocity gas outlets 73 and the outer ring pressure reducing ring 72 located at the lower layer are arranged in a staggered manner. After the mixed gas is buffered by the outer ring decompression ring 72 at the lower layer, the mixed gas is buffered by the four uniform gas outlets 73 and then uniformly enters the second outer ring mixed gas cavity 9, is further mixed in the second outer ring mixed gas cavity 9, and is uniformly combusted in the fire outlet hole of the outer ring fire cover 2. In this embodiment, the axial widths of the inner ring relief ring 62 and the outer ring relief ring 72 are 1 to 8mm.
Further, to facilitate the installation of the inner ring fire cover 3, the upper portion of the outer peripheral wall of the inner ring decompression chamber 6 is collapsed downward in the circumferential direction to form a mounting rim 61 for setting up the lower peripheral edge of the inner ring fire cover 3 described above. In order to enable the inner ring flame to burn fully and improve the combustion efficiency, the base 1 is provided with an annular cavity 8, the inner ring decompression chamber 6 and the outer ring decompression chamber 7 are respectively arranged on the inner side and the outer side of the annular cavity 8, secondary air holes 71 communicated with the annular cavity 8 are respectively arranged on the side wall of the outer ring decompression chamber 7 at intervals along the circumferential direction, and the secondary air holes 71 are arranged at intervals with the uniform speed gas outlet 73. In addition, the bottom surface portion of the annular chamber 8 inside each secondary air hole 71 is an inclined surface inclined from inside to outside, which forms a flow guide surface 81, so that overflow liquid dripping into the inside of the burner flows along the flow guide surface 81 to the outside of the burner, and the inclination angle α of the flow guide surface 81 with respect to the horizontal plane in this embodiment is 6 °.
Example 2:
as shown in fig. 7, in the present embodiment, unlike embodiment 1, in the outer ring decompression chamber 7, the inner side edges of the outer ring decompression ring 72 located at the lower layer are each inclined inwardly from the lower to the upper, and the angle α with the central axis of the outer ring decompression ring 72 is 1 ° to 20 ° (preferably 5 °) in the present embodiment. In the inner ring pressure reducing chamber 6, the inner edges of the inner ring pressure reducing rings 62 positioned at the upper layer are each inclined inward from the bottom to the top, and the angle β between the inner ring pressure reducing rings 62 and the central axis is 1 ° to 20 ° (preferably 5 °) in this embodiment.
The design of the inclined angle can increase the resistance of the air flow back flow, thereby reducing the occurrence probability of backfire phenomenon.
Example 3:
as shown in fig. 8, in the present embodiment, the outer ring fire cover 2 includes a fire cover body 20, the fire cover body 20 includes an annular top wall 21, and an inner annular wall 23 and an outer annular wall 22 which are vertically downward or obliquely downward from inner edges and outer edges of the annular top wall 21, the inner annular wall 23, the outer annular wall 22 and the annular top wall 21 are surrounded to form the second outer ring air mixing chamber 9, and main fire holes 221 are circumferentially provided on the outer annular wall 22 at intervals. Unlike in embodiment 1, the bottom surface of the annular top wall 21 is provided with spacing protrusions 24 at intervals along the circumferential direction, each spacing protrusion 24 extends to the inner annular surface of the outer annular wall 22 above the main fire hole 221, and airflow buffering areas 241 are formed between each adjacent spacing protrusion 24, in this embodiment, four spacing protrusions 24 are provided, and correspondingly, four airflow buffering areas 241 are provided. Further, each of the spacing protrusions 24 is disposed to be staggered with respect to the uniform gas outlet 73. By arranging the spacing convex blocks 24, the air flow entering the second outer ring air mixing cavity 9 can be split into the air flow buffer areas 241, so that the speed of the air flow in the second outer ring air mixing cavity 9 can be reduced, the air flow in the air flow buffer areas 241 can reach dynamic balance of distribution and movement, the air flow entering the main fire hole 221 can be more stable, and stable combustion of flame can be finally achieved.
Claims (10)
1. The utility model provides a gas burner, includes base (1), outer ring fire lid (2), inner ring fire lid (3), outer loop injection pipe (4) and inner ring injection pipe (5), inner ring air inlet (63) and outer loop air inlet (74) have been seted up respectively to the bottom of base (1), outer loop injection pipe (4) and the gas outlet of inner ring injection pipe (5) connect above-mentioned inner ring air inlet (63) and outer loop air inlet (74) respectively to the inner chamber of junction forms first inner ring air mixing chamber (51) and first outer ring air mixing chamber (41) respectively, its characterized in that:
a cylindrical inner ring pressure reducing chamber (6) with an upward opening is arranged in the center of the top of the base (1), the inner ring pressure reducing chamber (6) is communicated with the first inner ring mixing air chamber (51), the inner ring fire cover (3) is arranged on the inner ring pressure reducing chamber (6) in a covering manner, a second inner ring mixing air chamber (10) communicated with the inner ring pressure reducing chamber (6) is formed by surrounding the inner ring fire cover (3), and an inner ring pressure reducing ring (62) extending along the circumferential direction of the inner circumferential surface of the inner ring pressure reducing chamber (6) is convexly arranged on the inner wall of the inner ring pressure reducing chamber (6);
an annular outer ring decompression chamber (7) which takes the inner ring decompression chamber (6) as the center and is provided with an upward opening is arranged on the periphery of the top of the base (1), the outer ring decompression chamber (7) is communicated with the first outer ring mixing chamber (41), the outer ring fire cover (2) is covered on the outer ring decompression chamber (7), a second outer ring mixing chamber (9) communicated with the outer ring decompression chamber (7) is enclosed in the outer ring fire cover, and an outer ring decompression ring (72) which extends along the circumferential direction of the inner peripheral surface of the inner ring is convexly arranged on the inner wall of at least one side of the outer ring decompression chamber (7);
a gap for communicating the first outer ring air mixing cavity (41) with the second outer ring air mixing cavity (9) is reserved between the outer ring pressure reducing ring (72) and the inner wall of the other side of the outer ring pressure reducing chamber (7), or an air vent for communicating the first outer ring air mixing cavity (41) with the second outer ring air mixing cavity (9) is arranged on the outer ring pressure reducing ring (72).
2. The gas burner of claim 1, wherein: the annular surfaces of the inner ring decompression ring (62) and the outer ring decompression ring (72) extend along the axial direction or along the radial direction.
3. The gas burner according to claim 2, wherein the inner side edge of the inner ring relief ring (62) extends vertically or obliquely inwards from bottom to top;
the inner edge of the outer ring relief ring (72) extends vertically or obliquely inwardly from bottom to top.
4. A gas burner according to claim 3, wherein the inner edge of the inner ring relief ring (62) forms an angle of 1-20 ° with the central axis of the inner ring relief ring (62);
the included angle between the inner side edge of the outer ring decompression ring (72) and the central axis of the outer ring decompression ring (72) is 1-20 degrees.
5. A gas burner as claimed in claim 3, wherein: the inner ring pressure reducing rings (62) are at least one and are arranged on the inner wall of the inner ring pressure reducing chamber (6) in an inner step shape;
similarly, the outer ring decompression ring (72) is at least one, and is arranged on the inner wall of the outer ring decompression chamber (7) in an inner step shape.
6. The gas burner of claim 5, wherein: the number of the inner ring decompression rings (62) is two, the annular surfaces of the two inner ring decompression rings (62) extend along the axial direction, and the inner ring decompression ring (62) positioned on the upper layer protrudes relative to the inner ring decompression ring (62) positioned on the lower layer along the circumferential direction.
7. The gas burner of claim 5, wherein: the outer ring decompression rings (72) are two, the annular surface of the outer ring decompression rings (72) positioned at the lower layer extends along the axial direction, the annular surface of the outer ring decompression rings (72) positioned at the upper layer extends along the radial direction and is transversely arranged in the outer ring decompression chamber (7), uniform velocity gas outlets (73) penetrating up and down are arranged on the annular surface at intervals along the circumferential direction, the uniform velocity gas outlets (73) are the ventilation openings, and the uniform velocity gas outlets (73) are arranged in a dislocation mode with the outer ring decompression rings (72) positioned at the lower layer.
8. The gas burner of claim 7, wherein: the outer ring fire cover (2) comprises a fire cover body (20), the fire cover body (20) comprises an annular top wall (21) and an inner annular wall (23) and an outer annular wall (22) which are vertically downward or obliquely downward from the inner side edge and the outer side edge of the annular top wall (21), the inner annular wall (23), the outer annular wall (22) and the annular top wall (21) are surrounded to form the second outer ring mixing cavity (9), main fire holes (221) are formed in the outer annular wall (22) at intervals along the circumferential direction, spacing lugs (24) are arranged on the bottom surface of the annular top wall (21) at intervals along the circumferential direction, and each spacing lug (24) extends to the inner annular surface of the outer annular wall (22) above the main fire holes (221) to form an airflow buffer zone (241) between each adjacent spacing lug (24).
9. The gas burner of claim 8, wherein: each spacing lug (24) is respectively staggered with the uniform-speed gas outlet (73).
10. The gas burner as claimed in any one of claims 1 to 6, wherein: the inner ring decompression ring (62) and the inner ring decompression chamber (6) and the outer ring decompression ring (72) and the outer ring decompression chamber (7) are respectively integrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711235168.0A CN109855095B (en) | 2017-11-30 | 2017-11-30 | Gas burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711235168.0A CN109855095B (en) | 2017-11-30 | 2017-11-30 | Gas burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109855095A CN109855095A (en) | 2019-06-07 |
| CN109855095B true CN109855095B (en) | 2024-01-16 |
Family
ID=66887885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711235168.0A Active CN109855095B (en) | 2017-11-30 | 2017-11-30 | Gas burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109855095B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003207106A (en) * | 2002-01-15 | 2003-07-25 | Harman Pro:Kk | Burner for gas cooking stove |
| CN201339933Y (en) * | 2008-09-09 | 2009-11-04 | 博西华电器（江苏）有限公司 | Gas stove head |
| JP2014228210A (en) * | 2013-05-23 | 2014-12-08 | 株式会社ハーマン | Burner for cooking stove |
| CN105202541A (en) * | 2015-10-15 | 2015-12-30 | 宁波方太厨具有限公司 | Stable-flame burner |
| CN206377662U (en) * | 2016-09-29 | 2017-08-04 | 志邦厨柜股份有限公司 | A kind of burner with pressure stabilizing cavity |
| CN207797043U (en) * | 2017-11-30 | 2018-08-31 | 宁波方太厨具有限公司 | A kind of gas burner |
-
2017
- 2017-11-30 CN CN201711235168.0A patent/CN109855095B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003207106A (en) * | 2002-01-15 | 2003-07-25 | Harman Pro:Kk | Burner for gas cooking stove |
| CN201339933Y (en) * | 2008-09-09 | 2009-11-04 | 博西华电器（江苏）有限公司 | Gas stove head |
| JP2014228210A (en) * | 2013-05-23 | 2014-12-08 | 株式会社ハーマン | Burner for cooking stove |
| CN105202541A (en) * | 2015-10-15 | 2015-12-30 | 宁波方太厨具有限公司 | Stable-flame burner |
| CN206377662U (en) * | 2016-09-29 | 2017-08-04 | 志邦厨柜股份有限公司 | A kind of burner with pressure stabilizing cavity |
| CN207797043U (en) * | 2017-11-30 | 2018-08-31 | 宁波方太厨具有限公司 | A kind of gas burner |
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| Publication number | Publication date |
|---|---|
| CN109855095A (en) | 2019-06-07 |
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