CN221258846U - Full-premix burner for kitchen range - Google Patents
Full-premix burner for kitchen range Download PDFInfo
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- CN221258846U CN221258846U CN202322917157.8U CN202322917157U CN221258846U CN 221258846 U CN221258846 U CN 221258846U CN 202322917157 U CN202322917157 U CN 202322917157U CN 221258846 U CN221258846 U CN 221258846U
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- disc
- ventilation
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- 238000009826 distribution Methods 0.000 claims abstract description 76
- 238000009423 ventilation Methods 0.000 claims abstract description 69
- 238000002485 combustion reaction Methods 0.000 claims abstract description 51
- 238000005496 tempering Methods 0.000 claims abstract description 16
- 239000007789 gas Substances 0.000 claims description 78
- 238000005192 partition Methods 0.000 claims description 28
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 238000005273 aeration Methods 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 4
- -1 iron-chromium-aluminum Chemical compound 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 238000004663 powder metallurgy Methods 0.000 claims description 3
- 239000002737 fuel gas Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000002265 prevention Effects 0.000 abstract description 8
- 230000007547 defect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000004804 winding Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- VEMKTZHHVJILDY-UHFFFAOYSA-N resmethrin Chemical compound CC1(C)C(C=C(C)C)C1C(=O)OCC1=COC(CC=2C=CC=CC=2)=C1 VEMKTZHHVJILDY-UHFFFAOYSA-N 0.000 description 1
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- Gas Burners (AREA)
Abstract
The utility model discloses a full premix burner for a kitchen range, which comprises: the ventilation net disc is provided with a plurality of large ventilation openings for the gas to pass through; and the combustion plate is provided with a plurality of fire holes, the combustion plate is covered on the top of the ventilation net disc, the tempering prevention net is provided with gas distribution holes for gas to pass through, the tempering prevention net is covered on the bottom of the ventilation net disc, and the cross section area of the large vent hole is respectively larger than the cross section areas of the gas distribution holes and the fire holes. The full premix burner has the advantages of simple structure, simple and reliable production process and low production cost, and solves a plurality of defects existing in the technical route of the existing full premix burner.
Description
Technical Field
The utility model relates to the technical field of stoves, in particular to a full premix burner for a stove.
Background
The existing full premix fuel device comprises two technical routes: a metal winding combustion disk technical route and a ceramic combustion disk technical route. Both of these two technical routes have certain disadvantages:
1. The full premix burner with the metal winding combustion disk route is subdivided into two process structures: the first is double-belt winding, the bottom is welded with an anti-backfire net, the combustion disc with the structure is a full premix burner with a core, and the phenomenon that the winding bulges to lose efficacy exists in the use process: the second is a single-belt winding and brazing welding route, and the structural process route has complex production process, strict process requirements and low qualification rate, so that the cost is too high.
2. The full premix burner of the ceramic burning disc route has the advantages of low yield in the production process, difficult high heat load and burning cracking of the burning disc in the use process.
Disclosure of Invention
The utility model aims to solve one of the problems in the prior related art to at least a certain extent, and therefore, the utility model provides the full premix burner for the kitchen range, which has the advantages of simple structure, simple and reliable production process and low production cost, and solves a plurality of defects in the technical route of the prior full premix burner.
According to the full premix burner for the kitchen range, the full premix burner is realized through the following technical scheme:
A full premix burner for a cooktop comprising: the gas distribution assembly is provided with an inner ring gas distribution cavity and an outer ring gas distribution cavity which are opened upwards; the ventilation net disc is provided with a plurality of large ventilation openings for the gas to pass through, and is arranged on the gas distribution assembly and covers the openings of the inner ring gas distribution cavity and the outer ring gas distribution cavity respectively; and the combustion plate is provided with a plurality of fire holes, the combustion plate is covered on the top of the ventilation net disc, the tempering prevention net is provided with gas distribution holes for gas to pass through, the tempering prevention net is covered on the bottom of the ventilation net disc, and the cross section area of the large vent hole is respectively larger than the cross section areas of the gas distribution holes and the fire holes.
In some embodiments, the vent mesh disc is made by sheet stamping or powder metallurgy; the combustion plate is made of metal fiber fabrics and is woven by metal fiber wires with the wire diameter of ten micrometers, or made of iron-chromium-aluminum high-temperature resistant materials; the anti-backfire net is a metal net.
In some embodiments, the large vent is polygonal, and/or a partition part is arranged at the boundary of the inner ring air distribution cavity and the outer ring air distribution cavity, and divides the vent network disk into an inner ring air distribution area and an outer ring air distribution area.
In some embodiments, the upper end surface of the partition is flush with the top surface of the ventilation net tray, and the lower end surface of the partition is flush with the bottom surface of the ventilation net tray and abuts against the top of the boundary, or the lower end of the partition extends downwards to extend into the inner ring air-dividing cavity or the outer ring air-dividing cavity and abuts against the boundary.
In some embodiments, the anti-backfire mesh comprises an inner ring mesh and an outer ring mesh, the outer ring mesh being in abutment with the breather mesh tray bottom, the inner ring mesh being in abutment or clearance fit with the breather mesh tray bottom
In some embodiments, the outer ring network is integrally formed with the inner ring network, the inner ring network being in abutment with the bottom of the aeration network disc; or the outer ring net and the inner ring net are arranged in a split mode, and the inner ring net is lower than the outer ring net and is in clearance fit with the bottom of the ventilation net disc.
In some embodiments, the anti-flashback mesh is in abutment with or welded to the gas distribution assembly.
In some embodiments, the gas distribution assembly comprises a gas distribution plate and a gas distribution ring, wherein the gas distribution plate is provided with a cavity with an open top, the gas distribution ring is arranged in the cavity and fixedly connected with the gas distribution plate, and the gas distribution ring divides the cavity into the inner ring gas distribution cavity and the outer ring gas distribution cavity.
In some embodiments, the burner further comprises a fixing ring and/or a decorative cover, wherein the fixing ring is sleeved outside the ventilation net disk and the combustion plate; the central position department of burning board is equipped with the through-hole, the central position department of ventilation net dish is equipped with down the through-hole, decorate the lid and wear to locate in proper order go up the through-hole with down the through-hole, and its lower extreme stretches into in the central through-hole of gas subassembly and with the pore wall face looks butt of central through-hole.
In some embodiments, an inward extending outward flange is integrally formed at the upper end of the fixing ring, and the outward flange is positioned above the combustion plate and presses the radially outer side of the combustion plate against the ventilation net disk; the upper end of the decorative cover is integrally formed with an inward flanging extending outwards, and the inward flanging is positioned above the combustion plate and presses the radial inner end of the combustion plate to the ventilation net disc.
Compared with the prior art, the utility model at least comprises the following beneficial effects:
1. According to the full premix burner, the plurality of large air vents for the fuel gas to pass through are formed in the ventilation net disc, and the combustion plate and the tempering preventing net are respectively arranged at the top and/or the bottom of the ventilation net disc;
2. Through set up the partition portion on the net dish that ventilates, the partition portion separates the net dish that ventilates into two parts, prevents the phenomenon of cross gas between the inner and outer loop, cross fire.
Drawings
FIG. 1 is an exploded view of a full premix burner apparatus according to embodiment 1 of the present utility model;
FIG. 2 is a cross-sectional view of the full premix burner of example 1 of the present utility model;
FIG. 3 is a schematic view showing the structure of a aeration screen according to embodiment 1 of the present utility model;
FIG. 4 is a schematic view showing the structure of another aeration screen according to embodiment 1 of the present utility model;
FIG. 5 is an exploded view of the retainer ring and combustion plate of example 1 of the present utility model;
FIG. 6 is an exploded view of the gas distribution assembly and the anti-flashback screen of example 1 of the present utility model;
FIG. 7 is an exploded view of the full premix burner apparatus of example 2 of the present utility model;
FIG. 8 is a cross-sectional view of a full premix burner in accordance with embodiment 2 of the present utility model;
FIG. 9 is an exploded view of the aeration screen, burner plate, and anti-flashback screen of example 2 of the present utility model;
Fig. 10 is an exploded view of another aeration screen, burner plate, and anti-flashback screen of example 2 of the present utility model.
In the figure: 1-a ventilation net disk, 11-a large ventilation port, 12-a lower through hole and 13-a partition part; 2-combustion plate, 21-upper through hole; 3-an anti-backfire net, 301-an air distribution hole, 302-a central hole, 31-an inner ring net and 32-an outer ring net; 4-gas distribution components, 401-inner ring gas distribution cavities, 402-outer ring gas distribution cavities, 403-central through holes, 41-gas distribution discs, 411-cavities and 42-gas distribution rings; 5-fixing rings, 51-flanging; 6-decorating cover, 61-inner flanging.
Detailed Description
The following examples illustrate the utility model, but the utility model is not limited to these examples. Modifications and equivalents of some of the technical features of the specific embodiments of the present utility model may be made without departing from the spirit of the present utility model, and they are all included in the scope of the claimed utility model.
Example 1
Referring to fig. 1-2, the embodiment provides a full premix burner for kitchen ranges, which comprises a ventilation net disk 1 and a gas distribution component 4, wherein the gas distribution component 4 is provided with an inner ring gas distribution cavity 401 and an outer ring gas distribution cavity 402 which are opened upwards, the ventilation net disk 1 is provided with a plurality of large air vents 11 for gas to pass through, in the embodiment, the ventilation net disk 1 is made by sheet stamping or powder metallurgy, compared with the existing metal tape-winding combustion disk and ceramic combustion disk, the ventilation net disk has the advantages of simple structure, simple and reliable production process, high yield, low production cost and large unit ventilation area of the large air vents. When the air distribution assembly is installed, the air distribution net disc 1 is arranged on the air distribution assembly 4 and covers the openings of the inner annular air distribution cavity 401 and the outer annular air distribution cavity 402 respectively, and the large air port 11 is communicated with the inner annular air distribution cavity 401 or the outer annular air distribution cavity 402 which are arranged below the air distribution net disc.
The full premix burner further comprises a combustion plate 2 and/or an anti-backfire screen 3, wherein the combustion plate 2 is provided with a plurality of fire holes (not shown in the figure), the fire holes are covered on the top of the ventilation screen disc 1 and cover the upper end faces of all the large ventilation openings 11, and when the gas and air mixture flows through the combustion plate 2, the gas and air mixture is separated into a very large amount of tiny air flows and instantaneously burns after penetrating through the combustion plate 2, a large amount of infrared rays are generated, the chemical energy of the gas is converted into heat energy, and the heat load is improved. The tempering prevention net 3 is provided with an air distribution hole 301 for the gas to pass through, a central hole 302 is arranged at the central position of the tempering prevention net 3, the tempering prevention net 3 is covered at the bottom of the ventilation net disk 1, and the orthographic projection of the tempering prevention net 3 covers the lower end surfaces of all the large ventilation openings 11 for preventing the gas from tempering. The gas-dividing hole 301 can communicate with the fire hole through the large vent 11, and the cross-sectional area of the large vent 11 is larger than the cross-sectional areas of the gas-dividing hole 301 and the fire hole, respectively. Therefore, the combustion plate 2 and the backfire preventing net 3 are respectively arranged at the top and/or the bottom of the ventilation net disk 1, so that various defects of the existing full premix fuel device technical route can be overcome.
Referring to fig. 1-3, the ventilation net disk 1 includes an outer annular wall, an inner annular wall and a ventilation port group, the outer annular wall is coaxially disposed at the periphery of the inner annular wall, the ventilation port group is disposed between the inner annular wall and the outer annular wall, the ventilation port group is integrally formed with the inner annular wall and the outer annular wall respectively, the ventilation port group is composed of a plurality of large ventilation ports 11, adjacent large ventilation ports 11 are fixedly connected with each other, and each large ventilation port 11 is polygonal. A lower through hole 13 is arranged at the center of the ventilation net disk 1, namely, the inner annular wall is enclosed to form a lower through hole 13, so that the ignition needle is conveniently installed.
In this embodiment, in order to prevent air leakage between the inner and outer rings, a partition portion 13 is provided at the boundary of the ventilation screen 1 corresponding to the inner ring air-dividing chamber 401 and the outer ring air-dividing chamber 402, the partition portion 13 is an intermediate ring wall that partitions the ventilation screen 1 into an inner ring air-permeable region for communicating with the inner ring air-dividing chamber 401 and an outer ring air-permeable region for communicating with the outer ring air-dividing chamber 402. In other embodiments, the partition 13 on the gas distribution tray 1 may be omitted, see fig. 4, thus making the overall structure of the gas distribution tray 1 simpler and the production process simpler.
Referring to fig. 1-3, in this embodiment, the upper end surface of the partition portion 13 is flush with the top surface of the ventilation net tray 1, so as to improve the overall aesthetic property, avoid affecting the lamination arrangement of the ventilation net tray 1 and the combustion plate 2 due to the arrangement of the partition portion 13, and facilitate ensuring the abutment of the combustion plate 2 and the top surface of the ventilation net tray 1. The lower end of the partition part 13 extends downwards below the bottom surface of the ventilation net disk 1 and extends into the inner ring air-dividing cavity 401, and the lower end of the partition part 13 is abutted against the boundary, preferably, the fit clearance between the lower end of the partition part 13 and the boundary is controlled within 0.2mm, so as to prevent air leakage between the inner ring and the outer ring. Of course, the lower end of the partition 13 may be designed to extend into the outer ring air-dividing chamber 402 and abut against the boundary, or the lower end surface of the partition 13 may be designed to be flush with the bottom surface of the aeration screen 1 and abut against the top of the boundary.
Referring to fig. 1-2 and 5, the combustion plate 2 is a metal fiber fabric, is woven by metal fiber wires with a wire diameter of ten micrometers, or is made of iron-chromium-aluminum high temperature resistant materials, has good air permeability between the metal fiber wires, meets the passing requirement of a gas-air mixture, and meanwhile, gaps between adjacent metal fiber wires can be regarded as fire holes with small pore diameters, the gas-air mixture is divided into a plurality of tiny air flows and instantaneously combusted after penetrating through the metal fiber fabric, a large amount of infrared rays are generated, chemical energy of the gas is converted into heat energy, and the phenomenon of burning crack in the use process is avoided while the improvement of the heat load is facilitated. Further, an upper through hole 21 is provided at a central position of the combustion plate 2 to facilitate installation of the ignition needle.
Referring to fig. 1-2 and 6, the anti-backfire net 3 is preferably a metal net, and comprises an inner ring net 31 and an outer ring net 32, wherein a plurality of air-dividing holes 301 are respectively arranged on the inner ring net 31 and the outer ring net 32, and a central hole 302 is arranged at the center of the inner ring net 31. In this embodiment, the inner ring net 31 and the outer ring net 32 are separately arranged, the outer ring net 32 is arranged in the outer ring air-dividing cavity 402 and is abutted against the bottom of the ventilation net disk 1, the inner ring net 31 is arranged in the inner ring air-dividing cavity 401 and is in clearance fit with the ventilation net disk 1, and at this time, the inner ring net 31 is lower than the outer ring net 32, so that gas tempering and gas and fire cross between the inner ring and the outer ring can be prevented. Further, the anti-backfire net 3 is welded with the gas-distributing component 4, that is, the radial inner end and the radial outer end of the inner ring net 31 are respectively welded with the opposite two cavity walls of the inner ring gas-distributing cavity 401, and the radial inner end and the radial outer end of the outer ring net 32 are respectively welded with the opposite two cavity walls of the outer ring gas-distributing cavity 402, so that the anti-backfire net 3 and the gas-distributing component 4 are connected into a whole to jointly form a gas-distributing component.
In other embodiments, the outer ring net 32 may be integrally formed with the inner ring net 31, where the inner ring net 31 is instead disposed at the opening of the inner ring air-dividing chamber 401 and abuts against the bottom of the air-permeable net tray 1, and the inner ring net 31 abuts against the top of the boundary, and the anti-backfire net 3 may abut against or be welded to the air-dividing assembly 4, or the anti-backfire net 3 abuts against, is welded to, is riveted to, or is adhered to the bottom of the air-permeable net tray 1.
Referring to fig. 1-2 and 6, the gas distribution assembly 4 includes a gas distribution plate 41 and a gas distribution ring 42, the gas distribution plate 41 having a cavity 411 with an open top. The gas distributing ring 42 is disposed in the cavity 411, and the bottom of the gas distributing ring 42 is fixedly connected with the inner surface of the bottom of the gas distributing disc 41 by welding, the gas distributing ring 42 separates the cavity 411 into an inner ring gas distributing cavity 401 and an outer ring gas distributing cavity 402, at this time, the gas distributing ring 42 forms a division boundary between the inner ring gas distributing cavity 401 and the outer ring gas distributing cavity 402, and is used for abutting against the lower end of the partition part 13 of the ventilation net disc 2. An inner ring air inlet is formed at the bottom of the air distribution plate 41 corresponding to the inner ring air distribution cavity 401, and an outer ring air inlet is formed at the bottom of the air distribution plate 41 corresponding to the outer ring air distribution cavity 402.
Referring to fig. 1-2, the fully premixed burner further comprises a fixing ring 5 and/or a decorative cover 6, wherein the fixing ring 5 is sleeved outside the ventilation net disk 1 and the combustion plate 2 and is used for limiting and fixing the radial outer side of the combustion plate 2 at the top of the ventilation net disk 1. An upper through hole 21 is arranged at the central position of the combustion plate 2, a lower through hole 12 is arranged at the central position of the ventilation net disk 1, and the decorative cover 6 sequentially penetrates through the upper through hole 21 and the lower through hole 12 from top to bottom and is used for limiting and fixing the radial inner side of the combustion plate 2 at the top of the ventilation net disk 1.
Further, an inward extending outward flange 51 is integrally formed at the upper end of the fixing ring 5, the outward flange 51 is located above the combustion plate 2, and the radially outer side of the combustion plate 2 is pressed against the ventilation net disk 1, and the outward flange 51 can be abutted, riveted or welded with the top of the combustion plate 2. When the fixing ring 5 and the combustion plate 2 are fixedly connected by welding to form a whole, the combustion part is formed together.
Further, the lower end of the decorative cover 6 is designed to extend into the central through hole 403 of the air distribution assembly 4 and abut against the upper end of the hole wall surface of the central through hole 403, in this embodiment, the fit clearance between the decorative ring and the hole wall surface of the central through hole is controlled within 0.2mm, so as to prevent air leakage at the fit position. In addition, an inward flanging 61 extending outwards is integrally formed at the upper end of the decorative cover 6, the inward flanging 61 is positioned above the combustion plate 2, the radially inner end of the combustion plate 2 is pressed against the ventilation net disk 1, and the inward flanging 61 can be abutted, riveted or welded with the top of the combustion plate 2.
Example 2
Referring to fig. 7 to 10, this embodiment is different from embodiment 1 in that the tempering preventing net 3 is integrally designed, that is, the outer ring net 32 and the inner ring net 31 are integrally formed, and the entire tempering preventing net 3 is clamped between the bottom of the ventilation net disk 1 and the top of the gas distributing ring 41 of the gas distributing assembly 4, and covers the openings of the inner ring gas distributing cavity 401 and the outer ring gas distributing cavity 402, respectively.
In this embodiment, the partition 13 on the aeration screen 1 can be omitted, see fig. 8-9; or a partition part 13 is arranged at the boundary of the inner ring air distribution cavity 401 and the outer ring air distribution cavity 402 corresponding to the ventilation net disk 1, namely, a partition part 13 is integrally formed at the position of the ventilation net disk 1 corresponding to the air distribution ring 41, referring to fig. 10.
Further, the ventilation net disk 1 is concentrically stacked with the combustion plate 2 and the anti-backfire net 3, respectively, and welded to form a whole, and together constitute the combustion disk.
What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.
Claims (10)
1. A full premix burner for a cooktop, comprising:
A gas distribution assembly (4) having an inner annular gas distribution chamber (401) and an outer annular gas distribution chamber (402) which are open upward;
A ventilation net disk (1) provided with a plurality of large ventilation openings (11) for the gas to pass through, wherein the ventilation net disk (1) is arranged on the gas distribution assembly (4) and covers the openings of the inner ring gas distribution cavity (401) and the outer ring gas distribution cavity (402) respectively; and
The combustion plate (2) and/or tempering-proof net (3), the combustion plate (2) is provided with a plurality of fire holes, and the cover of the combustion plate is arranged at the top of the ventilation net disc (1), the tempering-proof net (3) is provided with an air distribution hole (301) for fuel gas to pass through, and the cover of the tempering-proof net is arranged at the bottom of the ventilation net disc (1), and the cross section area of the large air port (11) is respectively larger than the cross section areas of the air distribution hole (301) and the fire holes.
2. The full premix burner for a kitchen range according to claim 1, characterized in that the aeration screen disc (1) is made by sheet metal stamping or powder metallurgy; the combustion plate (2) is made of metal fiber fabrics and is woven by metal fiber wires with the wire diameter of ten micrometers, or made of iron-chromium-aluminum high-temperature resistant materials; the tempering-resistant net (3) is a metal net.
3. The full premix burner for the kitchen range according to claim 1, wherein the large vent (11) is polygonal, and/or a partition part (13) is arranged at a boundary part of the vent net disk (1) corresponding to the inner ring gas-dividing cavity (401) and the outer ring gas-dividing cavity (402), and the partition part (13) partitions the vent net disk (1) into an inner ring gas-ventilating area and an outer ring gas-ventilating area.
4. A full premix burner for a kitchen range according to claim 3, characterized in that the upper end surface of the partition part (13) is flush with the top surface of the aeration net disc (1), the lower end surface of the partition part (13) is flush with the bottom surface of the aeration net disc (1) and is abutted against the top of the division position, or the lower end of the partition part (13) extends downwards to extend into the inner ring air-dividing cavity (401) or the outer ring air-dividing cavity (402) and is abutted against the division position.
5. The full premix burner for a kitchen range according to claim 1, characterized in that the tempering preventing net (3) comprises an inner ring net (31) and an outer ring net (32), the outer ring net (32) is abutted against the bottom of the ventilation net disc (1), and the inner ring net (31) is abutted against or clearance fit with the bottom of the ventilation net disc (1).
6. The full premix burner for a kitchen range according to claim 5, characterized in that the outer ring net (32) is integrally formed with the inner ring net (31), and the inner ring net (31) is abutted against the bottom of the ventilation net disk (1); or alternatively
The outer ring net (32) and the inner ring net (31) are arranged in a split mode, and the inner ring net (31) is lower than the outer ring net (32) and is in clearance fit with the bottom of the ventilation net disk (1).
7. The full premix burner for a kitchen range according to any of the claims 1-6, characterized in that the tempering screen (3) is in abutment or welded with the gas distribution assembly (4).
8. The full premix burner for a kitchen range according to claim 1, wherein the gas distribution assembly (4) comprises a gas distribution disc (41) and a gas distribution ring (42), the gas distribution disc (41) is provided with a cavity (411) with an open top, the gas distribution ring (42) is arranged in the cavity (411) and fixedly connected with the gas distribution disc, and the gas distribution ring (42) divides the cavity (411) into the inner ring gas distribution cavity (401) and the outer ring gas distribution cavity (402).
9. The full premix burner for a kitchen range according to any of the claims 1-6, further comprising a fixing ring (5) and/or a decorative cover (6), said fixing ring (5) being sleeved outside said aeration screen disc (1) and said combustion plate (2); the central position department of burning board (2) is equipped with through-hole (21), the central position department of ventilation net dish (1) is equipped with down through-hole (12), decorating lid (6) are worn to locate in proper order go up through-hole (21) with down through-hole (12), and its lower extreme stretches into in central through-hole (403) of gas subassembly (4) and with the pore wall face looks butt of central through-hole (403).
10. The full premix burner for a kitchen range according to claim 9, characterized in that an inward extending outward flange (51) is integrally formed at the upper end of the fixing ring (5), the outward flange (51) is positioned above the combustion plate (2) and presses the radially outer side of the combustion plate (2) against the ventilation net disc (1); the upper end of the decorative cover (6) is integrally formed with an inward flanging (61) extending outwards, the inward flanging (61) is positioned above the combustion plate (2), and the radial inner end of the combustion plate (2) is tightly pressed on the ventilation net disc (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322917157.8U CN221258846U (en) | 2023-10-30 | 2023-10-30 | Full-premix burner for kitchen range |
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Application Number | Priority Date | Filing Date | Title |
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CN202322917157.8U CN221258846U (en) | 2023-10-30 | 2023-10-30 | Full-premix burner for kitchen range |
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CN221258846U true CN221258846U (en) | 2024-07-02 |
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CN202322917157.8U Active CN221258846U (en) | 2023-10-30 | 2023-10-30 | Full-premix burner for kitchen range |
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2023
- 2023-10-30 CN CN202322917157.8U patent/CN221258846U/en active Active
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