CN201339933Y - Gas stove head - Google Patents
Gas stove head Download PDFInfo
- Publication number
- CN201339933Y CN201339933Y CNU2008201855844U CN200820185584U CN201339933Y CN 201339933 Y CN201339933 Y CN 201339933Y CN U2008201855844 U CNU2008201855844 U CN U2008201855844U CN 200820185584 U CN200820185584 U CN 200820185584U CN 201339933 Y CN201339933 Y CN 201339933Y
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- fire
- outer ring
- gas
- ring fire
- annular
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Abstract
The utility model relates to a gas stove head, which comprises mixing air chamber parts (1, 4, 14) provided with an outer ring fire air cavity (13), and an outer ring fire cover (2) that is matched with the outer ring fire air cavity and has an annular hollow (19), an outer ring fire hole (6) facing outwards in the radial direction is formed on the outer wall of the annular hollow of the outer ring fire cover, and a first annular surface (30) matched with the mixing chamber parts is disposed on the outer ring fire cover, and the utility model is characterized in that a first annular lug boss (22) is formed at the inner side of the first annular surface and on the outer ring fire cover. Because an annular lug boss is disposed on the gas stove head, the utility model has a buffer action to injection pressure of mixed gases, and prevents the mixed gases of fuel gas and air from leaking from gaps formed between the first annular surface and the mixing air chamber parts.
Description
Technical field
The present invention relates to a kind of gas-cooker parts, especially a kind of furnace end of gas cooker.
Background technology
Existing furnace end of gas cooker, as application number is a kind of burner that 200810086164.5 Chinese patent application is mentioned, referring to appended Fig. 1, by mixing chamber 1 ', the mixing chamber loam cake 4 that is connected by screw with mixing chamber ' and mixing chamber lower cover 14 ', the outer ring fire fire lid 2 that is connected with the outer air chamber of mixing chamber ', and with the little fire lid 3 of mixing chamber loam cake 4 ' combine '. the outer ring fire fire hole 6 of outer ring fire fire lid 2 ' be provided with radial outward ' and unofficial biography fire ring 8 ', and be formed with the mixed air cavity 19 of outer ring fire '.Ring fire fire hole 9 in little fire covers and is provided with ', a plurality of gas ports 18 of the bottom side anchor ring 7 of the fire lid of ring fire outside ' upward axially be provided with ', these gas ports and unofficial biography fire ring pass to mutually transmission from the mist of mixing chamber to unofficial biography fire ring place.The furnace end of gas cooker that this patent application disclosed is because the setting of gas port and unofficial biography fire ring, make the fire transmission rate of this kind burner obtain great lifting, but this kind structure is because of bigger cavity mixture pressure and under the influence of mist injection kinetic energy, make high-speed mixing gas understand direct directive gas port, this can produce two bad phenomenon, the one,, can cause gas from the slit place leakage of mixing chamber with the faying face of outer ring fire fire lid, cause potential safety hazard, in addition, the speed that can cause mist to flow out from the unofficial biography fire ring is too high and make flame herein excessive long, even can influence the flame at outer ring fire fire hole place, cause the discharging of waste gas carbon monoxide and NOx in the combustion process to increase, thereby can have a negative impact the healthy of user.Moreover, because mixing chamber is processed respectively with the faying face of outer ring fire fire lid, there is mismachining tolerance, also caused the two faying face place tightness to descend.
Summary of the invention
Technical problem to be solved by this invention provides a kind of furnace end of gas cooker that improves structure that has.
The present invention is used for solving the problems of the technologies described above the technical scheme that is adopted: a kind of furnace end of gas cooker, comprise, be provided with mixed air vessel's parts in outer shroud internal heat chamber, that match with described outer shroud internal heat chamber and have a ring-shaped depression outer ring fire fire lid, be formed with the outer ring fire fire hole of radial outward on the outer wall of the ring-shaped depression of described outer ring fire fire lid, described outer ring fire fire lid is provided with first ring surface that matches with the mixing chamber parts, it is characterized in that, in the inboard of described first planar annular, described outer ring fire fire covers and is formed with first annular boss.Furnace end of gas cooker of the present utility model is owing to be provided with annular boss, and the expulsion pressure of mist has been played cushioning effect, prevents the slit leakage from forming between first ring surface and mixed air vessel's parts of combustion gas and Air mixing gas.
Further, according to embodiment of the present utility model, furnace end of gas cooker of the present utility model is characterized in that, described first annular boss has first end face, and described mixed air vessel has first faying face, and described first end face contacts with described first faying face.The hidden danger that combustion gas and Air mixing gas are revealed from the slit that forms between first ring surface and mixing chamber has been stopped in this kind design of the present utility model.
Further, according to embodiment of the present utility model, furnace end of gas cooker of the present utility model, it is characterized in that, described outer ring fire fire covers and also is provided with second annular boss, and this second annular boss has second end face, and described first end face and described second end face are positioned at same plane.This kind design of the present utility model, make the processing of second end face of the processing of first end face of the annular boss of winning and second annular boss can be with one these two end faces of the disposable processing of process tool, can guarantee the coplanar degree of two end faces, error is less, improve the seal that cooperates between mixing chamber covers with outer ring fire is fiery, thereby prevented gas leakage.
According to further embodiment of the present utility model,, also be formed with exterior annular on the outer wall of the ring-shaped depression of described outer ring fire fire lid and pass fiery groove in order to improve the fire transmission rate of the utility model furnace end of gas cooker.
According to preferred forms of the present utility model, it is characterized in that outer ring fire fire covers, the inboard of described first annular boss is provided with second ring surface and is formed with the gas port that a plurality of and described exterior annular passes fiery groove and communicates with described outer shroud internal heat chamber on it.Like this, combustion gas and Air mixing gas can arrive exterior annular by gas port from outer shroud internal heat chamber and pass fiery groove and reached complete cycle and outer ring fire fire hole by this groove rapidly, the efficiency of combustion of furnace end of gas cooker of the present utility model so and be improved.
Further, according to embodiment of the present utility model, for the processing of more convenient second ring surface and gas port, described second ring surface is the inclined-plane with the angled α of wall of described first annular boss.
Further, according to embodiment of the present utility model, in order to make outer ring fire fire lid structure the best, described second ring surface is designed to become with described first annular boss inclined-plane of 135 ° of angle α.
Embodiment according to furnace end of gas cooker of the present utility model, flow channel for the air-flow of optimizing combustion gas and Air mixing gas, make it flow to exterior annular from outer shroud internal heat chamber more glibly and pass fiery groove, the direction of gas port and described exterior annular pass and form angle β between the fiery groove.
Further, embodiment according to furnace end of gas cooker of the present utility model, flow channel the best for the air-flow that makes combustion gas and Air mixing gas, acquisition flow to the flow effect that exterior annular passes fiery groove the best from outer shroud internal heat chamber, and the angle β that the direction of gas port and exterior annular pass between the fiery groove is designed to roughly 45 °.
Compared with the prior art the utility model has following beneficial effect: at first, owing to be provided with first annular boss, expulsion pressure to mist has played cushioning effect, prevents the slit leakage from forming between first ring surface and mixed air vessel's parts of combustion gas and Air mixing gas.In addition, first end face of described first annular boss and second end face of described second annular boss are positioned at same plane, make the processing of second end face of the processing of first end face of the annular boss of winning and second annular boss can be with one these two end faces of the disposable processing of process tool, can guarantee the coplanar degree on two planes, error is less, further improved the seal that cooperates between mixing chamber covers with outer ring fire is fiery, thereby prevented that the mating surface place gas leakage between outer ring fire fire lid and the mixing chamber from be improved the efficiency of combustion of whole burner, reduced pernicious gas such as carbon monoxide and NOx content in the burnt gas.Simultaneously, because the processing of second end face of the processing of first end face of first annular boss and second annular boss can be with one the disposable processing of process tool, therefore, relatively, save process time, reduced difficulty of processing, saved processing cost indirectly.Moreover, gas port that outer ring fire fire of the present utility model covers and exterior annular pass and are the roughly design of 45 between the fiery groove, make combustion gas and Air mixing gas can flow out exterior annular more swimmingly and pass fiery groove, therefore the integral combustion performance of furnace end of gas cooker of the present utility model is improved, reduce the discharging of toxic gases such as the carbon monoxide that not exclusively produces owing to fuel gas buring and NOx, improved the environmental-protecting performance of furnace end of gas cooker of the present utility model.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the partial schematic sectional view of existing furnace end of gas cooker.
Fig. 2 is the broken section structural representation of furnace end of gas cooker of the present utility model.
Fig. 3 is the schematic perspective view of furnace end of gas cooker of the present utility model.
Fig. 4 is the three-dimensional exploded perspective view of furnace end of gas cooker of the present utility model.
Fig. 5 is the broken section structural representation of outer ring fire fire lid of the present utility model.
Fig. 6 is the schematic perspective view of outer ring fire fire lid of the present utility model.
1. mixing chambers among the figure, 2. outer ring fire fire lid, 3. little fire lid, 4. mixing chamber loam cake, 5. locating piece, 6. outer ring fire fire hole, 7. inboard fire hole, 8. exterior annular passes fiery groove, 9. interior ring fire fire hole, 10. interior annular passes fiery groove, and 11. outer shrouds pass fiery groove, 12. outer shroud flash holes, 13. outer shroud internal heat chamber, 14. mixing chamber lower covers, 15. interior ring fire air cavitys, 16. the attachment screw between mixing chamber and mixing chamber lower cover, the attachment screw between 17. mixing chamber lower covers and mixing chamber loam cake, 18. gas ports, 19. ring-shaped depression, 20. burner air inlets, 21. interior ring flash holes, 22. first annular boss, 23. second annular boss, 24. first end faces, 25. second end face, 26. mixing chamber lower cover faying faces, 27. first faying faces, 28. flange, 29. groove, 30. first ring surfaces, 31. second ring surfaces, 32. second faying face, 33. inside top inclined-planes.
The specific embodiment
With reference to Fig. 2 to Fig. 6, a kind of furnace end of gas cooker that the utility model provides comprises, has mixed air vessel's parts 1,4,14 of outer shroud internal heat chamber 13 and interior ring fire air cavity 15.In the burner of most preferred embodiment of the present utility model, these mixed air vessel's parts by mixing chamber 1, mixing chamber lower cover 14 and 4 three parts of mixing chamber loam cake by combining.On the connected mode, mixing chamber 1 is connected with mixing chamber lower cover 14 with attachment screw 16 between the mixing chamber lower cover by mixing chamber.Mixing chamber lower cover 14 is connected with the mixing chamber loam cake with attachment screw 17 between the mixing chamber loam cake by the mixing chamber lower cover.Certainly, these mixed air vessel's parts also can be designed as one, by cast molding.In addition, mixing chamber lower cover 14 and mixing chamber loam cake 4 also can be integrally manufactured, are connected with mixing chamber 1 again.Burner of the present utility model also comprises the outer ring fire fire lid 2 that has a ring-like depression 19 that matches with described outer shroud internal heat chamber 13, and the little fire lid 3 that matches with described interior ring fire air cavity 15.In order to prevent that outer ring fire fire lid 2 relative mixed air vessel parts from rotating, between the two, be provided with positioner, referring to accompanying drawing 3, mixed air vessel's parts are provided with locating piece 5.Corresponding position is provided with the locating slot of correspondingly-shaped on the outer ring fire fire lid 2.Radial outward is formed with a plurality of outer ring fire fire holes 6 and exterior annular passes fiery groove 8 on the outer wall of the ring-like depression 19 of outer ring fire fire lid 2.In the most preferred embodiment, outer ring fire fire hole 6 quantity are 56, but can be designed to other quantity according to the design needs.The inwall in the ring-like chamber 19 of outer ring fire fire lid 2 is provided with inboard fire hole 7.In the most preferred embodiment, the quantity of inboard fire hole 7 is 15, is evenly distributed on the inside top inclined-plane 33 of outer ring fire fire lid 2, and on the same day, according to the actual design needs, those skilled in the art can select to be provided with the inboard fire hole 7 of other quantity.Outer ring fire fire lid 2 has first ring surface 30 that matches with mixing chamber parts 1,4,14, and the axial direction of burner is formed with a plurality of and described exterior annular and passes the gas port 18 that fiery groove 8 communicates on this first ring surface 30.In the inboard of first ring surface 30, be formed with first annular boss 22 on the outer ring fire fire lid 2.
Referring to accompanying drawing 2 to accompanying drawing 6, further, according to embodiment of the present utility model, furnace end of gas cooker of the present utility model, first annular boss 22 has first end face 24, mixed air vessel's parts 1,4,14 include mixing chamber 1 and this mixing chamber 1 has first faying face, 27, the first end faces 24 and contacts with 27 first faying faces.The hidden danger that combustion gas and Air mixing gas are revealed from the slit that forms between first ring surface 30 and mixing chamber has been stopped in this kind design.
Further, referring to Figure of description 2 to 6, according to embodiment of the present utility model, also be provided with second annular boss 23 on the outer ring fire fire lid 2 of furnace end of gas cooker of the present utility model, first end face 24 of described first annular boss 22 is positioned at same plane with second end face 25 of described second annular boss 23.This kind design of the present utility model makes the processing of second end face 25 of the processing of first end face 24 of the annular boss 22 of winning and second annular boss 23 can be with one the disposable machine-shaping of process tool.Like this, can guarantee the coplanar degree of two end faces, error is less, has improved mixing chamber 1 and has covered the seal that the junction cooperates between 2 with outer ring fire fire, thereby prevented gas leakage.
Referring to accompanying drawing 2 to 6,, further, also be formed with exterior annular on the outer wall of the ring-shaped depression 19 of described outer ring fire fire lid 2 and pass fiery groove 8 according to embodiment of the present utility model.Combustion gas is relative quick in the transfer rate that this exterior annular passes fiery groove 8 with Air mixing gas, thereby has improved the fire transmission rate of the utility model furnace end of gas cooker.
Referring to accompanying drawing 2,5 and accompanying drawing 6, according to preferred forms of the present utility model, the inboard of first annular boss 22 is provided with second ring surface 31 and is formed with a plurality of gas ports 18 that pass fiery groove 8 and communicate with outer shroud internal heat chamber 13 with exterior annular on it.Like this, combustion gas and Air mixing gas can arrive exterior annular by gas port 18 from outer shroud internal heat chamber 13 and pass fiery groove 8 and reached complete cycle and outer ring fire fire hole 6 by this groove rapidly, the efficiency of combustion of furnace end of gas cooker of the present utility model so and be improved.
Further, referring to accompanying drawing 2,5 and accompanying drawing 6, according to embodiment of the present utility model, for the processing of more convenient second ring surface 31 and gas port 18, described second ring surface is designed to and the angled inclined-plane of described first annular boss.The size of angle can be carried out flexible design according to concrete processing conditions and equipment and the actual effect desiring to reach by those skilled in the art.
Referring to accompanying drawing 2,5 and accompanying drawing 6, further, according to embodiment of the present utility model, in order to make outer ring fire fire lid structure the best, second ring surface 31 is designed to the inclined-plane with first annular boss, 22 angles at 45.
Embodiment according to furnace end of gas cooker of the present utility model, flow channel for the air-flow of optimizing combustion gas and Air mixing gas, make it flow to exterior annular from outer shroud internal heat chamber 13 more glibly and pass fiery groove 8, the direction of gas port 18 and exterior annular pass design formation certain included angle between the fiery groove 8.
Referring to accompanying drawing 2,5 and accompanying drawing 6, embodiment according to furnace end of gas cooker of the present utility model, flow channel the best for the air-flow that makes combustion gas and Air mixing gas, acquisition flow to the flow effect that exterior annular passes fiery groove 8 the bests from outer shroud internal heat chamber 13, and the angle that the direction of gas port 18 and exterior annular pass between the fiery groove 8 is designed to roughly 45 °.
Referring to accompanying drawing 2 to 6, burner of the present utility model is performed such assembling: mixing chamber 1 is connected with mixing chamber lower cover 14 with attachment screw 16 between the mixing chamber lower cover by mixing chamber, and mixing chamber lower cover 14 is connected with the mixing chamber loam cake with attachment screw 17 between the mixing chamber loam cake by the mixing chamber lower cover.Outer ring fire fire lid 2 is by being arranged at the locating piece 5 and the locating notch Primary Location that is arranged on the outer ring fire fire lid 2 on the mixing chamber 1, and by first annular boss 22, second annular boss 23 respectively with mixing chamber 1 on first faying face 27 and second faying face on the mixing chamber lower cover 14 combine combining of realization and mist parts.Wherein, form between first end face 24 of first annular boss 22 and first faying face 27 and between second faying face 32 on second end face 25 of second annular boss 23 and the mixing chamber lower cover 14 and combine and location and sealing.Ring fire fire hole 9 and be contained in the groove 29 that is formed at mixing chamber loam cake 4 upsides and combine in being formed with on the little fire lid 3 with the mixing chamber parts by the flange 28 that its downside forms.Between Xiao Huogai 3 and mixing chamber loam cake 4, form interior annular and pass fiery groove 10.Burner after the combination has formed outer shroud internal heat chamber 13 and interior ring fire air cavity 15.Referring to accompanying drawing 2 to 6, the combustion gas transmission and the course of work of burner of the present utility model are: combustion gas and Air mixing gas enter burner from burner air inlet 20, partially mixed gas arrives outer shroud internal heat chamber 13 and covers 2 ring-shaped depressions that constitute 19 by outer ring fire fire via the transmission hole (not shown) that is formed between mixing chamber 1 and the mixing chamber lower cover, afterwards, partially mixed air-flow arrives exterior annular and passes fiery groove 8 places and lighted through being formed at gas port 18.Partially mixed gas in addition is by being located at outer ring fire fire hole 6 outflows on outer ring fire fire lid 2 outer walls and being lighted.Partially mixed gas from burner air inlet 20 has directly arrived interior ring fire air cavity 15 through the mixing chamber upper and lower covers, afterwards, from interior ring fire fire hole 9 and interior annular pass fiery groove 10 and in ring flash hole 21 flow out and lighted.Igniting and biography fire order are: gaseous mixture is lighted at interior ring flash hole 21 places at first, respectively via interior annular pass fiery groove 10 reached in ring fire fire hole 9 and pass fiery groove 11 via outer shroud flash hole 12 and outer shroud and reached exterior annular and pass fiery groove 8, reach outer ring fire fire then and cover outer ring fire fire hole 6 places on 2.
Claims (9)
1. furnace end of gas cooker, comprise, be provided with mixed air vessel's parts (1 in outer shroud internal heat chamber (13), 4,14), that match with described outer shroud internal heat chamber (13) and have an outer ring fire fire lid (2) of a ring-shaped depression (19), be formed with the outer ring fire fire hole (6) of radial outward on the outer wall of the ring-shaped depression (19) of described outer ring fire fire lid (2), described outer ring fire fire lid (2) is provided with one and mixing chamber parts (1,4,14) first ring surface (30) that matches is characterized in that, in the inboard of described first ring surface (30), be formed with first annular boss (22) on the described outer ring fire fire lid (2).
2. according to the described furnace end of gas cooker of claim 1, it is characterized in that described first annular boss (22) has first end face (24), described mixed air vessel parts (1,4,14) have first faying face (27), described first end face (24) contacts with described first faying face (27).
3. according to the described furnace end of gas cooker of claim 2, it is characterized in that, also be provided with second annular boss (23) on the described outer ring fire fire lid (2), this second annular boss (23) has second end face (25), and described first end face (24) is positioned at same plane with described second end face (25).
4. according to claim 1 or 2 or 3 described furnace end of gas cooker, it is characterized in that, also be formed with exterior annular on the outer wall of the ring-shaped depression (19) of described outer ring fire fire lid (2) and pass fiery groove (8).
5. according to furnace end of gas cooker described in the claim 4, it is characterized in that the inboard of described first annular boss (22) is provided with second ring surface (31) and is formed with the gas port (18) that a plurality of and described exterior annular passes fiery groove (8) and communicates with described outer shroud internal heat chamber (13) on it.
6. according to furnace end of gas cooker described in the claim 5, it is characterized in that described second ring surface (31) is the inclined-plane with the angled α of wall of described first annular boss (22).
7. according to the described furnace end of gas cooker of claim 6, it is characterized in that described angle [alpha] is 135 °.
8. according to furnace end of gas cooker described in the claim 5, it is characterized in that the direction of gas port (18) and described exterior annular pass and form angle β between the fiery groove (8).
9. described according to Claim 8 furnace end of gas cooker is characterized in that described angle β is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201855844U CN201339933Y (en) | 2008-09-09 | 2008-09-09 | Gas stove head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201855844U CN201339933Y (en) | 2008-09-09 | 2008-09-09 | Gas stove head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201339933Y true CN201339933Y (en) | 2009-11-04 |
Family
ID=41235480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201855844U Expired - Lifetime CN201339933Y (en) | 2008-09-09 | 2008-09-09 | Gas stove head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201339933Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832561A (en) * | 2010-03-25 | 2010-09-15 | 宁波方太厨具有限公司 | Outer fire cover and combustor with same |
| CN103742950A (en) * | 2014-01-25 | 2014-04-23 | 黄石云河工贸有限公司 | Cooking stove premixing burner capable of preventing eye irritation |
| CN104033901A (en) * | 2014-06-04 | 2014-09-10 | 浙江博立灶具科技有限公司 | Energy-saving gas furnace head |
| CN105135433A (en) * | 2015-10-15 | 2015-12-09 | 珠海格力电器股份有限公司 | Combustor and gas stove with same |
| CN109724082A (en) * | 2017-10-31 | 2019-05-07 | 宁波方太厨具有限公司 | A kind of burner with high efficiency |
| CN109855095A (en) * | 2017-11-30 | 2019-06-07 | 宁波方太厨具有限公司 | A kind of gas burner |
-
2008
- 2008-09-09 CN CNU2008201855844U patent/CN201339933Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832561A (en) * | 2010-03-25 | 2010-09-15 | 宁波方太厨具有限公司 | Outer fire cover and combustor with same |
| CN103742950A (en) * | 2014-01-25 | 2014-04-23 | 黄石云河工贸有限公司 | Cooking stove premixing burner capable of preventing eye irritation |
| CN103742950B (en) * | 2014-01-25 | 2016-01-20 | 黄石云河工贸有限公司 | A kind of stir-fry stove pre-mixing furnace end of not peppery eyes |
| CN104033901A (en) * | 2014-06-04 | 2014-09-10 | 浙江博立灶具科技有限公司 | Energy-saving gas furnace head |
| CN105135433A (en) * | 2015-10-15 | 2015-12-09 | 珠海格力电器股份有限公司 | Combustor and gas stove with same |
| CN109724082A (en) * | 2017-10-31 | 2019-05-07 | 宁波方太厨具有限公司 | A kind of burner with high efficiency |
| CN109724082B (en) * | 2017-10-31 | 2024-01-23 | 宁波方太厨具有限公司 | High-efficiency burner |
| CN109855095A (en) * | 2017-11-30 | 2019-06-07 | 宁波方太厨具有限公司 | A kind of gas burner |
| CN109855095B (en) * | 2017-11-30 | 2024-01-16 | 宁波方太厨具有限公司 | Gas burner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091104 |
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| CX01 | Expiry of patent term |