Combustor and multi-ring combustor
The burner, with its conical guide surface and diverter cover design, solves the problems of easy clogging of the flame holes and large size, achieving efficient combustion and diverse appearance, and is suitable for household gas stoves.
Patent Information
- Application Number
- CN202421978295.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-15
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-08-15
AI Technical Summary
Existing household gas stoves have burner holes that are easily clogged by falling food, and the products are bulky and have poor gas premixing effects.
Burners and multi-ring burners with a conical guide surface design control the flame direction through conical sleeve-shaped flame holes and guide surfaces. Combined with the structure of the diverter cover and base, they form conical sleeve-shaped or lace-shaped flame holes, preventing food from clogging and enhancing the mixing of gas and air.
It effectively prevents burner hole clogging, reduces product weight and cost, while improving combustion efficiency and gas premixing effect, and offers a variety of appearance designs.
Smart Images
Figure CN223595909U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of household gas stoves, especially a burner and a multi-ring burner with a novel fire outlet mode. BACKGROUND
[0002] The shape of the burner hole on the household gas stove is a circular hole and a strip-shaped hole, and the feature is that the axis of the hole is coaxial with the axis of the flame, the direction of the hole determines the direction of the flame, and the hole is exposed on the surface of the burner and is easily blocked by falling food during use; in order to prevent backfire and have a good combustion condition, the hole needs to have a certain depth, therefore, the volume of the burner is large and is relatively thick and heavy; in addition, the existing hole is processed by drilling or slotting and has a constant diameter or width and only plays a throttling role and does not help the premixing of the gas. SUMMARY
[0003] In order to overcome the defects of the hole being easily blocked and the product being large in volume in the prior art, the utility model provides a burner, which comprises a shunt cover and a base, wherein,
[0004] The shunt cover is arranged on the base and has an outer conical surface with an upper end outer diameter slightly larger than that of the base; the shunt cover further comprises an annular flange connected to the upper end of the outer conical surface, the lower end surface of the annular flange is a conical guide surface with a large upper end and a small lower end, the guide surface is connected to the outer conical surface, and the slope (the included angle with the vertical direction) of the conical guide surface is larger than that of the outer conical surface.
[0005] The base is provided with a gas passage and has an inner conical surface with the same slope as that of the outer conical surface, and the clearance formed by the assembly of the two is a conical sleeve-shaped hole, and the gas passage is communicated with the hole.
[0006] The radial extension part of the flange is located on the upper end of the outlet of the conical sleeve-shaped hole to form a stop structure to prevent food from falling into the hole.
[0007] Further, the bottom surface of the base is provided with mounting screw holes for connecting an air inlet pipe, an air inlet hole and a support, and the support is provided with a central hole.
[0008] The shunt cover is provided with a central screw hole fixed to the central hole by a short screw to form a gas passage.
[0009] Further, the upper end surface of the annular flange of the shunt cover is a ring-shaped flat lace-shaped structure, the upper end surface of the main view is a flat surface, and the edge of the top view is a continuous undulating wave curve.
[0010] The conical guide surface, the outer conical surface connected thereto and the inner conical surface on the base are all adapted to be flat lace-shaped conical surfaces, and the assembly forms a flat lace-shaped conical sleeve-shaped hole.
[0011] Further, the annular flange upper end surface of the shunt cover is a ring-shaped curved lace-shaped structure, the top surface of the main view is a fluctuating curved surface, and the edge of the plan view is a fluctuating curved line; the conical guide surface and the outer conical surface connected therewith and the inner conical surface on the base are all curved lace-shaped conical surfaces, the bottom surface of the outer conical surface on the shunt cover and the end surface of the inner conical surface on the base are both curved surfaces similar to the flange surface, and after assembly, a curved lace-shaped conical sleeve-shaped fire hole is formed.
[0012] The utility model discloses still provide a kind of multi-ring burner, including at least one outer ring burner and center burner, the size of multiple outer ring burners is sequentially larger from top to bottom, and adjacent outer ring burner is in the form of embracing assembly;Center burner is assembled on the outer ring burner of the uppermost end;The center burner is the burner or is center fire cap structure described above;The outer ring burner, including outer ring base and outer ring shunt cover, wherein,
[0013] Outer ring base, with outer ring inner conical surface, outer ring gas inlet and outer ring base vent hole;
[0014] Outer ring shunt cover, and outer ring annular flange is provided on the upper, outer ring conical guide surface, outer ring outer conical surface and center gas inlet pipe;The outer diameter of the outer ring annular flange is slightly larger than the upper end outer diameter of the outer ring base, and is connected by the outer ring conical guide surface between the outer ring outer conical surface and is connected;The slope of outer ring outer conical surface is same with the slope of outer ring base inner surface, and the outer diameter is less than the inner conical surface of base;The slope of outer ring conical guide surface is greater than the slope of outer ring outer conical surface;
[0015] The outer ring base and outer ring shunt cover are assembled to form outer ring gas passage, outer ring conical sleeve-shaped fire hole and center gas passage;
[0016] Wherein, center gas passage is formed by the communication of gas inlet and center gas inlet pipe;
[0017] Outer ring conical sleeve-shaped fire hole, by outer ring inner conical surface and outer ring outer conical surface;Outer ring gas passage is communicated with outer ring conical sleeve-shaped fire hole.
[0018] Further, the upper of the center gas inlet pipe of the outer ring shunt cover is installed center fire cap, and a plurality of fire holes are provided on the center fire cap.
[0019] Further, outer ring annular flat lace-shaped flange is provided on the outer ring shunt cover, the upper end surface of the main view is a plane, the edge of the plan view is a continuous fluctuating wave curve, the conical guide surface on the outer ring shunt cover and the outer conical surface connected therewith and the inner conical surface on the outer ring base are all adapted to be lace-shaped conical surface, and the outer ring conical sleeve-shaped fire hole of the outer ring burner becomes outer ring lace-shaped conical sleeve fire hole.
[0020] Further, the upper end surface of the annular flange on the outer ring flow distribution cover and the upper end surface of the base are curved lace shapes, the top surface of the main view is a wavy curved surface, the edge of the top view is also a wavy curved line, the outer ring flow distribution cover conical guide surface on the outer ring flow distribution cover and the outer cone surface connected thereto and the end surface and inner cone surface on the base are all changed into lace-shaped cones; the outer cone surface on the outer ring flow distribution cover is matched with the flange surface to form an outer ring lace-shaped conical fire hole.
[0021] Further, the outer ring base has a triangular reinforcing rib for increasing rigidity; the outer circular edge of the outer ring flow distribution cover has a plurality of protruding baffle pieces.
[0022] According to another aspect of the utility model, a burner fire outlet method is also provided, which is based on the burner or the multi-ring burner according to any one of the above, after the gas enters the conical sleeve-shaped fire hole, the space gradually becomes larger, the gas flows out of the conical sleeve-shaped fire hole along the guide surface at the outlet end, the guide surface changes the direction of the gas, limits the direction of the flame, and makes the fire hole axis and the flame direction different in axis.
[0023] The utility model has the advantages of:
[0024] 1. The conical guide surface controls the direction of the flame, the fire hole axis and the flame direction are different in axis, the existing fire outlet mode is changed, the volume of the conical sleeve-shaped fire hole continuously expands, the fire outlet mode helps to further strengthen the mixing of the gas and the air, the combustion condition is good, and the thermal efficiency is higher.
[0025] 2. The structure is novel and reasonable, the conical sleeve-shaped fire hole is adopted, the wall thickness can be reduced under the premise that the depth of the fire hole meets the requirements, the weight is reduced, the fire hole can be prevented from being blocked during use, the fire hole is generated after assembly, the drilling process of the fire hole is cancelled, and the cost is reduced.
[0026] 3. The combination can be made into various styles, the appearance is fresh, beautiful and lively, can be seamlessly connected with the existing products, and is very practical. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1 It is a structural schematic view of the embodiment 1.
[0028] Figure 2 It is a structural schematic view of the embodiment 1. Figure 1
[0029] Figure 3 It is a structural schematic view of the base.
[0030] Figure 4 It is a structural schematic view of the base. Figure 3
[0031] Figure 5 It is a structural schematic view of the flow distribution cover.
[0032] Figure 6 for Figure 5 A sectional view along the AA direction.
[0033] Figure 7 This is a schematic diagram of the structure of Example 2.
[0034] Figure 8 for Figure 7 A sectional view along the AA direction.
[0035] Figure 9 for Figure 7 Rear view.
[0036] Figure 10 This is a schematic diagram of the structure of Example 3.
[0037] Figure 11 for Figure 10 Top view.
[0038] Figure 12 A sectional view along line AA, labeled 11.
[0039] Figure 13 This is a schematic diagram of the structure of Example 4.
[0040] Figure 14 for Figure 13 A sectional view along the AA direction.
[0041] Figure 15 This is a schematic diagram of the outer ring base.
[0042] Figure 16 for Figure 15 A sectional view along the AA direction.
[0043] Figure 17 This is a schematic diagram of the outer ring diversion cover.
[0044] Figure 18 for Figure 17 A sectional view along the AA direction.
[0045] Figure 19 This is a schematic diagram of the structure of Example 5.
[0046] Figure 20 for Figure 19 Top view.
[0047] Figure 21 for Figure 20 A sectional view along the AA direction.
[0048] Figure 22 This is a schematic diagram of the structure of Example 6.
[0049] Figure 23 for Figure 22 Top view.
[0050] Figure 24 for Figure 23 A sectional view along the AA direction.
[0051] Figure 25 This is a schematic diagram of the structure of Example 7.
[0052] Figure 26 for Figure 25 A sectional view along the AA direction.
[0053] Figure 27 This is a schematic diagram of the structure of Example 8.
[0054] Figure 28 for Figure 27 A sectional view along the AA direction.
[0055] Figure 29 This is a schematic diagram of the structure of Example 9.
[0056] Figure 30 for Figure 29 A sectional view along the AA direction.
[0057] Figure 31 A schematic diagram of one embodiment of the outer ring base.
[0058] Figure 32 for Figure 31 A schematic diagram of the AA structure.
[0059] Figure 33 This is a schematic diagram of one embodiment of the outer ring diversion cover.
[0060] Figure 34 for Figure 33 A schematic diagram of the AA structure.
[0061] In the diagram: 1. Base, 2. Diverter cover, 3. Short screw, 4. Inner conical surface, 5. Air inlet, 6. Mounting screw hole, 7. Bracket, 8. Center hole, 9. Center screw hole, 10. Annular flange, 11. Conical guide surface, 12. Outer conical surface, 13. Gas passage, 14. Conical sleeve-shaped flame hole, 15. Annular planar lace-shaped flange, 16. Planar lace-shaped conical guide surface, 17. Planar lace-shaped outer conical surface, 18. Positioning block, 19. Planar lace-shaped inner conical surface, 20. Planar lace-shaped conical sleeve-shaped flame hole, 21. Annular curved lace-shaped flange, 22. Curved lace-shaped conical guide surface, 23. Curved lace-shaped outer conical surface, 24. Curved lace-shaped inner conical surface, 25. Curved lace-shaped conical sleeve-shaped flame hole, 26. Center burner, 27. Outer ring burner, 28. Screw, 29. Outer ring base ，30. outer ring split cover, 31. outer ring inner conical surface, 32. outer ring gas inlet, 33. positioning flange, 34. through hole, 35. outer ring base vent hole, 36. outer ring annular flange, 37. outer ring conical guide surface, 38. outer ring outer conical surface, 39. central gas inlet pipe, 40. outer ring stop, 41. outer ring split cover vent hole, 42. mounting hole, 43. outer ring gas passage, 44. outer ring conical sleeve-shaped fire hole, 45. central gas passage, 46. outer ring annular flat petal-shaped flange, 47. outer ring flat petal-shaped conical guide surface, 48. outer ring flat petal-shaped outer conical surface, 49. outer ring flat petal-shaped inner conical surface, 50. outer ring flat petal-shaped conical sleeve-shaped fire hole, 51. outer ring annular curved petal-shaped flange, 52. outer ring curved petal-shaped conical guide surface, 53. outer ring curved petal-shaped outer conical surface, 54. outer ring curved petal-shaped inner conical surface, 55. outer ring curved petal-shaped conical sleeve-shaped fire hole, 56. mounting screw hole, 57. annular boss, 58. central fire cap, 59. triangular reinforcing rib, 60. baffle. DETAILED DESCRIPTION
[0062] The principles and features of the present application are described below in conjunction with the accompanying drawings, which are presented only for the purpose of explanation and are not intended to limit the scope of the present application.
[0063] The present application adopts a conical sleeve-shaped fire hole with a large upper end and a small lower end, the bottom end of which is an inlet and the upper end of which is an outlet, and a conical guide surface above the outlet that can cover the outlet of the fire hole to prevent foreign matter from falling into the fire hole, and the slope of the conical sleeve-shaped fire hole is smaller than that of the guide surface; the slope of the conical guide surface is 55°-65°, and the slope of the outer conical surface is about 15°.
[0064] The gas sprayed from the nozzle sucks in the air required for combustion and mixes in the injection pipe, and the mixed combustible gas enters the conical sleeve-shaped fire hole from the bottom end inlet of the gas passage, and the volume of the conical sleeve-shaped fire hole expands continuously, which helps to further strengthen the mixing of the gas and air, and the combustible gas flowing out of the outlet of the conical sleeve-shaped fire hole contacts the conical guide surface and flows out along the surface for combustion, and the direction of the flame is the same as the slope of the conical guide surface, but different from the slope of the conical sleeve-shaped fire hole. In the prior art, the flame exit angle and the fire hole angle are both 25°-35° (the angle formed with the horizontal plane), and the fire hole axis is coaxial with the flame direction. This structure makes the fire hole exposed on the surface of the burner, which is easily blocked by falling food during use. The present technical solution has a flame exit angle of 25°-35°, but the slope of the conical sleeve-shaped fire hole is different from that of the guide surface, so that the fire hole angle is different from the flame exit angle, and the conical guide surface is above the conical sleeve-shaped fire hole, which can effectively prevent the falling of food.
[0065] The utility model solves its technical problem adopts the technical scheme that provides a kind of combustor with novel fire way, including base, shunt cover and short screw;Base is similar to bowl type, its inner surface is the circular conical surface of big down small, for forming conical sleeve shape fire hole, bottom has air inlet, for by the combustible gas that comes out from eductor pipe, bottom surface has mounting screw hole, for connecting eductor pipe, there is a support in body, support has central hole, for installing shunt cover;Shunt cover is round cover structure, and its center has center screw hole, for installation, its top surface has annular flange, its outer diameter is slightly larger than the outer diameter of base, prevent the effect of fire hole blockage, the bottom surface of annular flange is the outer conical surface of big down small, namely conical guiding surface, for controlling the fire angle of fire, the lower surface of conical guiding surface is conical sleeve structure, its outer conical surface is used to form conical sleeve shape fire hole, its slope is same with the slope of base inner surface, and outer diameter is less than the inner conical surface of base;Shunt cover is installed in base, and short screw is fixed together by the central hole on base support and the center screw hole of shunt cover, forms gas passage, the gap between the inner conical surface of base and the outer conical surface of shunt cover forms conical sleeve shape fire hole;When using, it is fixed on the outlet of eductor pipe, that is, become combustor;The combustible gas that flows out from eductor pipe, from the air inlet on base, pass through gas passage, enter conical sleeve shape fire hole, and flow out along conical guiding surface and burn.
[0066] The utility model discloses a multi-ring burner, including at least one outer ring burner and center burner, the size of multiple outer ring burners is gradually increased from top to bottom, and adjacent outer ring burners are embraced and assembled; the center burner is assembled on the uppermost outer ring burner; the center burner is the burner as described above or is the fire cap structure; one outer ring burner and center burner are adopted in the embodiment, and two burners are superimposed and synthesized together, and form double-ring burner; the burner with novel fire outlet mode is used as the center burner, and the outer ring burner is added below the center burner and is integrated with the center burner; the added outer ring burner includes outer ring base, outer ring distributor and screw; the outer ring base is the bowl type structure, and the inner surface of the periphery is the outer ring inner conical surface that is large at top and small at bottom, and the bottom center has outer ring gas inlet, is used for cooperating with the outer ring gas outlet on the ejector, enters the outer ring gas, and the upper edge has multiple positioning claws, is used for positioning the outer ring shunt cover in the radial direction, guarantees that the outer ring gas inlet and center gas inlet are concentric, the upper plane of the claw has the through hole for installation, and the outer surface of the claw has the outer ring base vent, is used for supplementing secondary air; the outer ring shunt cover is the round cover structure, and the top surface is the outer ring annular flange, and the outer diameter thereof is slightly larger than the outer diameter of the outer ring base, plays the role of preventing the fire hole from being blocked, and the bottom surface of the outer ring annular flange is the outer ring conical guide surface that is large at top and small at bottom, is used for controlling the fire outlet angle of flame, and the lower surface is the outer ring outer conical surface, is used for forming the conical sleeve type fire hole, and the inclination thereof is same with the inclination of the inner surface of the outer ring base, and the outer diameter is less than the inner conical surface of the base; the center of the outer ring shunt cover has the center gas inlet pipe, and the inner diameter thereof is used for cooperating with the outlet of the ejector, enters the center gas, and the outer diameter thereof has the outer stopper, is used for cooperating with the inner diameter of the claw on the outer ring base, plays the role of radial positioning; the body has the outer ring shunt cover vent, corresponds with the base vent on the base, has the mounting hole and corresponds with the through hole on the outer ring base and the screw hole on the base; the outer ring shunt cover is placed in the outer ring base, the outer ring shunt cover vent is opposite the outer ring base vent, the outer stopper of the center gas inlet pipe cooperates with the inner diameter of the claw, the mounting hole is opposite the through hole on the claw and the screw hole on the base, and the screw fixes them together, forms the outer ring gas passage, and the gap between the inner conical surface of the outer ring base and the outer conical surface of the outer ring shunt cover forms the outer ring conical sleeve type fire hole; short screw fixes them together through the through hole on the base support and the screw hole in the center of the shunt cover, forms the center gas passage, and the gap between the inner conical surface of the base and the outer conical surface of the shunt cover forms the center conical sleeve type fire hole; after being assembled into the combined part, it is placed on the ejector, and is connected with the outer ring ejector pipe and center ejector pipe combustible gas outlet, can be used, and the ejector is the general component, and the market use is very large.
[0067] Example 1
[0068] As Figures 1-6As shown, a burner includes a base 1, a distributor cap 2, and short screws 3. The inner surface of the base 1 is an inner conical surface 4, which is larger at the top and smaller at the bottom, and has an air inlet 5 and a mounting screw hole 6. There is a bracket 7 inside the base, which has a central hole 8. The distributor cap 2 has a central screw hole 9, an annular flange 10, a conical guide surface 11, and an outer conical surface 12. The distributor cap 2 is installed inside the base 1. The short screws 3 are fixed together through the central hole 8 and the central screw hole 9 to form a gas passage 13. The gap between the inner conical surface 4 and the outer conical surface 12 forms a conical sleeve-shaped flame hole 14. The combustible gas flowing out from the injector enters from the air inlet 5 on the base 1, passes through the gas passage 13, enters the conical sleeve-shaped flame hole 13, and flows out along the conical guide surface 11 for combustion.
[0069] Example 2
[0070] like Figures 7-9 As shown, the diverter cover 2 has an annular planar lace-shaped flange 15, a planar lace-shaped conical guide surface 16, a planar lace-shaped outer conical surface 17, and a positioning block 18. The base 1 has a planar lace-shaped inner conical surface 19. After assembly, a planar lace-shaped conical flame hole 20 is formed. The lace can also increase the circumference and the flame area. In addition, the convex and concave shape facilitates flame transmission.
[0071] In the aforementioned burner, the top surface of the diverter cover is an annular planar lace-shaped flange. Its characteristic is that the top surface in the front view is a plane, and the edge in the top view is an undulating curve, similar to a lace. Consequently, the conical guide surface, the outer conical surface connected to it, and the inner conical surface on the base all become planar lace-shaped conical surfaces. After assembly, a planar lace-shaped conical sleeve-shaped flame hole is formed. To ensure uniform gap between the flame holes, there is a positioning block around the central screw hole, which cooperates with the bracket for positioning. Everything else remains unchanged.
[0072] Example 3
[0073] like Figures 10-12 As shown, the diverter cover 2 has an annular curved lace-shaped flange 21, a curved lace-shaped conical guide surface 22, a curved lace-shaped outer conical surface 23, a positioning block 18, and a curved lace-shaped inner conical surface 24 on the base 1. After assembly, a curved lace-shaped conical fire hole 25 is formed.
[0074] In the aforementioned burner, the top surface of the diversion cover is an annular curved lace-shaped flange. Its characteristic is that the top surface in the front view is an undulating curved surface, and the edge in the top view is an undulating curve, resembling a lace. Consequently, the conical guide surface, the connected outer conical surface, and the inner conical surface on the base are all curved lace-shaped conical surfaces. To ensure uniform flame hole depth, the bottom surface of the outer conical surface on the diversion cover and the end face of the inner conical surface on the base are both curved surfaces similar to the flange surface. After assembly, a curved lace-shaped conical flame hole is formed. To ensure uniform flame hole gaps, a positioning block is located around the central screw hole, which cooperates with the bracket for positioning; everything else remains unchanged.
[0075] Example 4
[0076] like Figures 13-18 As shown, a multi-ring burner is described. In this embodiment, a central burner 26, an outer ring burner 27, and screws 28 are used. The outer ring burner 27 includes an outer ring base 29 and an outer ring diverter cover 30. The outer ring base 29 has an outer ring inner conical surface 31, an outer ring gas inlet 32, three positioning claws 33, a through hole 34, and three outer ring base vent holes 35. The outer ring diverter cover 30 has an outer ring annular flange 36, an outer ring conical guide surface 37, an outer ring outer conical surface 38, a central air inlet pipe 39, an outer stop 40, an outer ring diverter cover vent hole 41, and a mounting hole 42. The screws 28 fix them together to form an outer ring gas passage 43, an outer ring conical sleeve-shaped flame hole 44, and a central gas passage 45.
[0077] Example 5
[0078] like Figures 19-21 As shown, the outer ring diverter cover 30 has an outer ring annular planar lace-shaped flange 46, an outer ring planar lace-shaped conical guide surface 47, and an outer ring planar lace-shaped outer conical surface 48. The outer ring base 29 has an outer ring planar lace-shaped inner conical surface 49. After assembly, they form an outer ring planar lace-shaped conical flame hole 50. The lace can also increase the circumference and the flame area. In addition, the convex and concave shape facilitates flame transmission.
[0079] In the aforementioned multi-ring burner, the upper plane of the annular flange on the outer ring diverter cover is a planar lace shape. Its characteristic is that the top surface of its front view is a plane, and the edge of its top view is an undulating curve, similar to a lace. Consequently, the conical guide surface on the outer ring diverter cover, the outer conical surface connected to it, and the inner conical surface on the outer ring base are all changed to lace-shaped conical surfaces. The outer ring conical sleeve-type flame hole of the outer ring burner is changed to an outer ring lace-shaped conical sleeve flame hole, while other aspects remain unchanged.
[0080] Example 6
[0081] like Figures 22-24 As shown, the outer ring diverter cover 30 has an outer ring annular curved lace-shaped flange 51, an outer ring curved lace conical guide surface 52, and an outer ring curved lace outer conical surface 53. The outer ring base 29 has an outer ring curved lace inner conical surface 54. After assembly, an outer ring curved lace conical sleeve-shaped fire hole 55 is formed.
[0082] In the aforementioned multi-ring burner, the upper plane of the annular flange on the outer ring diverter cover and the upper plane of the base are curved lace-shaped surfaces. The characteristic feature is that the top surface of its front view is an undulating curved surface, and the edge of its top view is also an undulating curve, resembling lace. Consequently, the outer ring diverter cover conical guide surface and the connected outer conical surface on the outer ring diverter cover, as well as the end face and inner conical surface on the base, all become lace-shaped conical surfaces. To ensure uniform flame hole depth, the bottom surface of the outer conical surface on the outer ring diverter cover is a curved surface similar to the flange surface. The outer ring conical sleeve flame hole of the outer ring burner becomes an outer ring lace-shaped conical sleeve flame hole, while other aspects remain unchanged.
[0083] Example 7
[0084] like Figures 25-26 As shown, the mounting hole 42 on the outer ring diverter cover 30 is changed to a mounting screw hole 56, and an annular boss 57 with external threads is added above the central air intake pipe 39. Screws 28 fix the outer ring base 29 and the outer ring diverter cover 30 together, and the central spark cap 58 is installed on the annular boss 57.
[0085] In the aforementioned multi-ring burner, the base and distributor cap on the central burner can be replaced by a central flame cap of existing technology, which has flame holes and threads for installation. The mounting holes on the outer ring distributor cap are replaced with mounting screw holes. A threaded annular boss is added above the central air intake pipe. Screws fix the outer ring base and the outer ring distributor cap together. The central flame cap is installed on the annular boss. Everything else remains unchanged.
[0086] Example 8
[0087] like Figures 27-28 As shown, the mounting hole 42 on the outer ring diverter cover 30 is changed to a mounting screw hole 56, and a central flame cap is added to the center. The outer ring diverter cover 30 has an outer ring annular planar lace-shaped flange 46, an outer ring planar lace-shaped conical guide surface 47, and an outer ring planar lace-shaped outer conical surface 48. The outer ring base 29 has an outer ring planar lace-shaped inner conical surface 49. After assembly, an outer ring planar lace-shaped conical flame hole 50 is formed.
[0088] Example 9
[0089] like Figures 29-30 As shown, the mounting hole 42 on the outer ring diverter cover 30 is changed to a mounting screw hole 56, and a center flame cap is added to the center. The outer ring diverter cover 30 has an outer ring annular curved lace-shaped flange 51, an outer ring curved lace conical guide surface 52, and an outer ring curved lace outer conical surface 53. The outer ring base 29 has an outer ring curved lace inner conical surface 54. After assembly, an outer ring curved lace conical flame hole 55 is formed.
[0090] Example 10
[0091] refer to Figures 31-32The outer ring base 29 is provided with triangular reinforcing ribs 59 for enhancing rigidity.
[0092] Example 11
[0093] Reference Figures 33-34 The outer peripheral edge of the outer ring shunt cover 30 is provided with four protruding flaps 60 for preventing the flame from contacting the supporting claws of the pot support, thereby preventing the generation of contact yellow flame.
[0094] The above only describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A burner, characterized in that, Includes a distributor cap and a base, wherein, The diverter cover is mounted on the base, with its upper outer diameter larger than that of the base, and has an outer conical surface. It also includes an annular flange connected to the upper end of the outer conical surface. The lower end face of the annular flange is a conical guide surface that is larger at the top and smaller at the bottom, and this guide surface is connected to the outer conical surface. The slope of the conical guide surface is greater than that of the outer conical surface. The base has a gas passage and an inner conical surface. The inner conical surface and the outer conical surface have the same slope. The gap formed by their assembly is a conical sleeve-shaped flame hole. The gas passage is connected to the flame hole. The flange extends radially to the upper end of the conical sleeve-shaped fire hole outlet, forming a retaining structure.
2. A burner as described in claim 1, characterized in that, The base has mounting screw holes on the bottom surface, an air inlet and a bracket, and the bracket has a central hole. The distributor cover has a central screw hole, which is fixed to the central hole by screws to form a gas passage.
3. A burner as described in claim 1, characterized in that, The upper surface of the annular flange of the diversion cover is an annular planar lace-shaped structure. The upper surface of its front view is a plane, and the edge of its top view is a continuous undulating wave curve. The conical guide surface, the outer conical surface connected to it, and the inner conical surface on the base are all adapted to be planar lace-shaped conical surfaces, forming a planar lace-shaped conical fire hole after assembly.
4. A burner as described in claim 1, characterized in that, The upper surface of the annular flange of the diverter cover is an annular curved lace-shaped structure. Its top surface in the front view is an undulating curved surface, and its edge in the top view is an undulating curve. The conical guide surface and the outer conical surface connected to it, as well as the inner conical surface on the base, are all curved lace-shaped conical surfaces. The bottom surface of the outer conical surface on the diverter cover and the end surface of the inner conical surface on the base are both curved surfaces similar to the flange surface. After assembly, they form a curved lace-shaped conical sleeve fire hole.
5. A multi-ring burner, characterized in that, It includes at least one outer ring burner and a center burner, wherein the size of the multiple outer ring burners increases sequentially from top to bottom, and adjacent outer ring burners are assembled in a ring-like shape; the center burner is assembled on the uppermost outer ring burner; the center burner is a burner as described in any one of claims 1-4 or a center flame cap structure; the outer ring burner includes an outer ring base and an outer ring distributor cap, wherein... The outer ring base has an inner conical surface, an outer ring gas inlet, and an outer ring base vent. The outer ring diffuser cover is provided with an outer ring annular flange, an outer ring conical guide surface, an outer ring outer conical surface, and a central air intake pipe; the outer ring annular flange has an outer diameter slightly larger than the upper outer diameter of the outer ring base, and is transitionally connected to the outer ring outer conical surface through the outer ring conical guide surface; the outer ring outer conical surface has the same slope as the inner surface of the outer ring base, and its outer diameter is smaller than that of the inner conical surface of the base; the slope of the outer ring conical guide surface is greater than the slope of the outer ring outer conical surface. The outer ring base and the outer ring diverter cover are assembled to form an outer ring gas passage, an outer ring conical sleeve-shaped flame hole and a central gas passage; The central gas passage is formed by connecting the gas inlet and the central air intake pipe. The outer ring conical sleeve-shaped flame hole is formed by the inner conical surface of the outer ring and the outer conical surface of the outer ring; the outer ring gas passage is connected to the outer ring conical sleeve-shaped flame hole.
6. A multi-ring burner as described in claim 5, characterized in that, A central flame cap is installed above the central air intake pipe of the outer ring diverter cover, and the central flame cap is provided with multiple flame holes.
7. A multi-ring burner as described in claim 5, characterized in that, The outer ring diverter cover has an outer ring annular planar lace-shaped flange. Its upper end face in the front view is a plane, and the edge in the top view is a continuous undulating wave curve. The conical guide surface on the outer ring diverter cover and the outer conical surface connected to it, as well as the inner conical surface on the outer ring base, are all adapted to become lace-shaped conical surfaces. The outer ring conical sleeve-type flame hole of the outer ring burner is changed to an outer ring lace-shaped conical sleeve flame hole.
8. A multi-ring burner as described in claim 5, characterized in that, The upper end face of the annular flange on the outer ring diverter cover and the upper end face of the base are curved lace-shaped surfaces. The top surface of the main view is an undulating curved surface, and the edge of the top view is also an undulating wave curve. The outer ring diverter cover conical guide surface and the outer conical surface connected to it, as well as the end face and inner conical surface on the base, are all transformed into lace-shaped cones. The outer conical surface on the outer ring diverter cover is adapted to the flange surface to form an outer ring lace-shaped cone sleeve fire hole.
9. A multi-ring burner as described in any one of claims 5-8, characterized in that, The outer ring base has triangular reinforcing ribs to increase rigidity; the outer ring diverter cover has multiple protruding baffles on its outer circular edge.