CN114321911A - Burner fire cover and gas stove - Google Patents
Burner fire cover and gas stove Download PDFInfo
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- CN114321911A CN114321911A CN202210042505.9A CN202210042505A CN114321911A CN 114321911 A CN114321911 A CN 114321911A CN 202210042505 A CN202210042505 A CN 202210042505A CN 114321911 A CN114321911 A CN 114321911A
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Abstract
The invention provides a burner fire cover and a gas stove, and relates to the technical field of gas stoves, wherein the burner fire cover comprises a gas distribution seat and a fire cover which is detachably seated on the gas distribution seat, and the fire cover comprises an inner ring fire cover and an outer ring fire cover which is arranged on the outer peripheral side of the inner ring fire cover; the gas distribution seat is provided with an inner ring fire gas mixing cavity and an intermediate ring fire gas mixing cavity which are separated from each other; the periphery wall of the inner ring fire cover is provided with an inner ring fire outlet hole, a middle ring fire outlet hole and a fire protection hole, the inner ring fire outlet hole and the fire protection hole are both communicated with the inner ring fire mixing cavity, and the middle ring fire outlet hole is communicated with the middle ring fire mixing cavity. The gas cooker includes a burner cap. Through this combustor fire lid, alleviated the inboard that the structure setting of protecting the fire was covered in the interior ring fire that exists among the prior art, the change of pan and atmospheric pressure makes the unstable technical problem of flame of the structure of protecting the fire, has reached the technological effect that makes flame stable.
Description
Technical Field
The invention relates to the technical field of gas cookers, in particular to a burner fire cover and a gas cooker.
Background
At present, a burner comprises an outer ring fire cover and an inner ring fire cover, wherein the inner ring fire cover is located at the center of the burner (also called as a center fire cover), the inner ring fire cover is usually installed on a gas distribution base and is tightly matched with the gas distribution base, and fire outlet holes of the inner ring fire cover are formed in the outer side wall of the inner ring fire cover (only fire comes out all around).
In the prior art, the inner ring fire cover of the stove burner can be provided with the fire protection hole, and the tip of the flameout needle is heated through the fire protection hole, so that the flameout needle can judge whether the stove burner is in a normal working state. When the burner of the stove is accidentally extinguished, the flame at the fire protection hole is also extinguished at the same time, so that the temperature of the detection end of the extinguishing needle is lower than the threshold value, the extinguishing needle cuts off the supply of fuel gas, and the extinguishing protection function is realized. Generally, the fire protection structure is arranged on the inner side of the inner fire-surrounding cover, and the flame of the fire protection structure is unstable due to the change of the cookware and the air pressure.
Disclosure of Invention
The invention aims to provide a burner fire cover and a gas cooker, which aim to solve the technical problems that in the prior art, a fire protection structure is arranged on the inner side of an inner-ring fire cover, and the flame of the fire protection structure is unstable due to the change of a cooker and air pressure.
In a first aspect, the present invention provides a burner fire cover comprising: the fire cover comprises an inner ring fire cover and an outer ring fire cover arranged on the outer peripheral side of the inner ring fire cover;
the gas distribution seat is provided with an inner ring fire gas mixing cavity and an intermediate ring fire gas mixing cavity which are separated from each other;
the outer peripheral wall of the inner ring fire cover is provided with an inner ring fire outlet hole, a middle ring fire outlet hole and a fire protection hole, the inner ring fire outlet hole and the fire protection hole are communicated with the inner ring fire mixed gas cavity, and the middle ring fire outlet hole is communicated with the middle ring fire mixed gas cavity.
Further, the inner ring fire outlet hole, the middle ring fire outlet hole and the fire protection hole are sequentially arranged from top to bottom, and the three are sequentially arranged outwards along the radial direction of the inner ring fire cover.
Further, the fire protection holes are arranged to be three, the fire protection holes are respectively arranged in the middle of the fire protection holes and arranged at the first side fire protection holes and the second side fire protection holes in two sides of the middle fire protection holes.
Further, the inner ring fire cover is vertically projected from the front side, the angle between the middle fire protection hole and the horizontal axis is 0 degree, and the angle between the first side fire protection hole and the second side fire protection hole and the horizontal axis is 5-45 degrees;
the inner ring fire cover projects along the side face, the angle between the middle fire protection hole and the vertical axis is 90 degrees, and the angle between the first side fire protection hole and the second side fire protection hole and the vertical axis is 25-70 degrees.
Further, the inner ring fire cover is provided with a gas transmission hole, and the middle fire-holding hole is communicated with the inner ring fire mixed gas cavity through the gas transmission hole;
the first side fire protection hole and the second side fire protection hole are respectively and directly communicated with the inner annular fire mixing cavity.
Furthermore, ignition holes are arranged right above the fire protection holes and on the circumference of the middle ring fire outlet hole, and the ignition holes are communicated with the middle ring fire mixing cavity.
Furthermore, the outlet ends of the ignition hole and the middle ring fire outlet hole are both arranged on the outer conical surface of the inner ring fire cover;
and the outlet end of the fire protection hole is arranged on the outer cylindrical surface of the inner ring fire cover.
Furthermore, the number of the ignition holes is two, and the two ignition holes are respectively a first ignition hole and a second ignition hole;
the inner ring fire cover is vertically projected from the front side, and the angle ranges between the first ignition hole and the horizontal axis and between the second ignition hole and the horizontal axis are 10-45 degrees;
the inner ring fire cover projects along the side face, and the angle ranges between the first ignition holes and the vertical axis and between the second ignition holes and the vertical axis are 10-50 degrees.
Furthermore, the air distribution seat comprises an inner air isolation ring, a middle air isolation ring and an outer air isolation ring which are concentric and sequentially sleeved at intervals;
the middle gas-isolating ring is provided with a notch, the side edge of the notch protrudes outwards along the radial direction and is tightly abutted with the inner side wall of the outer gas-isolating ring, and the notch is tightly matched with the bottom surface of the inner ring fire cover to form a drainage groove;
the inlet end of the fire protection hole is positioned on the bottom surface of the inner ring fire cover and in the drainage groove.
Furthermore, the inner ring fire outlet hole comprises a communication hole and an air outlet groove which are sequentially communicated along the gas flowing direction, the communication hole is obliquely arranged relative to the central line of the inner ring fire cover, and the distance between the communication hole and the central line of the inner ring fire cover is gradually reduced from bottom to top;
the air outlet groove is obliquely arranged from inside to outside from high to low.
Has the advantages that:
the burner fire cover provided by the invention is characterized in that the gas distribution seat is provided with an inner ring fire mixed gas cavity and an intermediate ring fire mixed gas cavity which are separated from each other; the inner ring fire outlet and the fire protection hole are communicated with the inner ring fire mixed gas cavity, so that air mixed gas can flow out through the inner ring fire mixed gas cavity on the gas distribution seat, one part of the air mixed gas flows out through the inner ring fire outlet, and the other part of the air mixed gas flows out through the fire protection hole; compared with the prior art that the fire protection hole is arranged on the inner side, the burner fire cover has the advantages that the change of cookware and air pressure does not affect the flame at the fire protection hole in the use process, so that the flame at the fire protection hole can be maintained stably.
In a second aspect, the present invention provides a gas hob including: the burner fire cover of any of the preceding embodiments.
Has the advantages that:
the gas cooker provided by the invention comprises the burner fire cover, so that the technical advantages and effects of the gas cooker also comprise the technical advantages and effects of the burner, and further description is omitted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic partial structure diagram of a gas cooker provided by an embodiment of the invention;
FIG. 2 is a sectional view of a partial structure of a gas cooker;
FIG. 3 is a front view of the air distributor;
FIG. 4 is a front view of the inner fire cover;
FIG. 5 is a schematic view of the reverse structure of the inner fire cover;
FIG. 6 is a top view of the inner ring fire cover shown in FIG. 4, wherein the drawing shows the location of the first side fire protection holes and the second side fire protection holes;
FIG. 7 is one of the partial cross-sectional views of the inner ring fire cover;
FIG. 8 is a top view of the inner ring fire cover shown in FIG. 4, wherein the drawing shows the location of the first and second gas transfer holes;
FIG. 9 is a second partial cross-sectional view of the inner fire cover;
fig. 10 is a partial schematic view of the matching of the reverse surface of the inner ring fire cover and the gas distributing seat.
Icon:
100-gas distribution seat; 110-inner ring fire mixed air cavity; 120-medium ring fire gas mixing cavity; 130-inner air isolation ring; 140-middle gas-isolation ring; 150-outer gas barrier ring;
200-inner ring fire cover; 210-inner ring fire outlet holes; 220-medium ring fire outlet; 230-fire protection holes; 240-drainage grooves; 211-a communication hole; 212-gas outlet groove; 231-middle fire-keeping holes; 232-first side fire protection hole; 233-second side fire protection hole; 241-a first air transfer hole; 242-a second gas transfer hole; 251-a first ignition hole; 252-second pilot hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Example one
Referring to fig. 1 to 4, the first embodiment provides a burner fire cover, which includes a gas distribution base 100 and a fire cover detachably seated on the gas distribution base 100, wherein the fire cover includes an inner ring fire cover 200 and an outer ring fire cover disposed on the outer circumferential side of the inner ring fire cover 200; the gas distribution base 100 is provided with an inner ring fire gas mixing cavity 110 and an inner ring fire gas mixing cavity 120 which are separated from each other; the outer peripheral wall of the inner ring fire cover 200 is provided with an inner ring fire outlet hole 210, a middle ring fire outlet hole 220 and a fire protection hole 230, the inner ring fire outlet hole 210 and the fire protection hole 230 are both communicated with the inner ring fire mixing air cavity 110, and the middle ring fire outlet hole 220 is communicated with the middle ring fire mixing air cavity 120.
In the burner fire cover provided by the embodiment, the gas distribution base 100 is provided with an inner ring fire mixed gas cavity 110 and an inner ring fire mixed gas cavity 120 which are separated from each other; the inner ring fire outlet 210 and the fire protection hole 230 are both communicated with the inner ring fire mixed gas cavity 110, so that air mixed gas can flow out through the inner ring fire mixed gas cavity 110 on the gas distribution base 100, one part of the air mixed gas flows out through the inner ring fire outlet 210, the other part of the air mixed gas flows out through the fire protection hole 230, and the middle ring fire outlet 220 is communicated with the middle ring fire mixed gas cavity 120, so that the air mixed gas can flow out from the middle ring fire outlet 220 through the middle ring fire mixed gas cavity 120 on the gas distribution base 100, and independent conveying of the inner ring air mixed gas and the middle ring air mixed gas is realized; the combustor fire cover of this embodiment is through interior ring fire gas mixing chamber 110 and fire protection hole 230 intercommunication, can realize leading out fire protection hole 230 to the outside region of interior ring fire cover 200, will protect fire protection hole 230 to set up in the inboard for prior art and compare, this combustor fire cover is in the use, and the change of pan and atmospheric pressure can not exert an influence to the flame of fire protection hole 230 department to can make the flame maintenance stability of fire protection hole 230 department.
In addition, the inner ring fire and the middle ring fire in the embodiment are controlled through different gas passages, the maximum power of the inner ring fire can be correspondingly reduced, the heat efficiency and the heating uniformity of the bottom of the pot are not affected, the daily small fire requirements for stewing, boiling soup, cooking porridge and heating milk can be met, the problems of soup overflowing and heating food to be burnt are solved, and the minimum fire power can reach the limit small fire power of 150-200W.
Wherein, the three of the inner ring fire hole 210, the middle ring fire hole 220 and the fire protection hole 230 are all arranged on the inner ring fire cover 200, and the position relationship of the three is as follows: referring to fig. 2 and 4, the inner ring fire outlet 210, the middle ring fire outlet 220 and the fire protection hole 230 are sequentially arranged from top to bottom, and the three are sequentially arranged outwards along the radial direction of the inner ring fire cover 200, so that the inner ring fire cover 200 can realize two rings of fire outlets, and the outer ring fire with the outer ring fire cover can realize three rings of fire, so that the burner cover can burn more fully, the uniformity of the bottom of the cookware heated is improved, meanwhile, the fire protection hole 230 is positioned at the outer side of the middle ring fire outlet 220, namely, between the middle ring fire outlet 220 and the outer ring fire outlet (not labeled in the figures), flame can be relatively stable, and the occurrence of flame leaving phenomenon is reduced.
In this embodiment, referring to fig. 4 and 5, three fire protection holes 230 are provided, and the three fire protection holes 230 are respectively a middle fire protection hole 231 provided at a middle position, a first side fire protection hole 232 provided at both sides of the middle fire protection hole 231, and a second side fire protection hole 233.
Wherein, three keep warm hole 230 can further play the effect of steady flame each other for flame is more stable, and then can not produce the problem of leaving the flame.
Specifically, referring to fig. 6 and 7, the inner ring fire cover 200 is vertically projected from the front, the angle between the middle fire protection hole 231 and the horizontal axis is 0 °, the angle between the first side fire protection hole 232 and the second side fire protection hole 233 and the horizontal axis is 5-45 °, and illustratively, the angle between the first side fire protection hole 232 and the second side fire protection hole 233 and the horizontal axis may be 5 °, 10 °, 15 °, 20 °, 25 °, 30 °, 35 °, 40 °, 45 °, or the like; the inner ring fire cover 200 is projected along the side, the angle between the middle fire protection hole 231 and the vertical axis is 90 degrees, the angle between the first side fire protection hole 232 and the second side fire protection hole 233 and the vertical axis is 25-70 degrees, and the angle between the first side fire protection hole 232 and the second side fire protection hole 233 and the vertical axis may be 25 degrees, 30 degrees, 35 degrees, 40 degrees, 45 degrees, 50 degrees, 55 degrees, 60 degrees, 65 degrees, 70 degrees, or the like.
Further, the first side fire protection hole 232 and the second side fire protection hole 233 are arranged in a shape like a Chinese character 'ba' from outside to inside, when viewed from the front side downwards.
In order to realize the arrangement of the middle fire-holding hole 231, the first side fire-holding hole 232 and the second side fire-holding hole 233 and to shorten the communication path, the inner ring fire cover 200 is provided with a gas transmission hole, and the middle fire-holding hole 231 is communicated with the inner ring fire mixing cavity 110 through the gas transmission hole; the first side fire protection hole 232 and the second side fire protection hole 233 are directly communicated with the inner ring fire mixing chamber 110, respectively.
When the fire protection cover is used specifically, air and gas can enter the inner ring fire cover 200 through the inner ring fire air mixing cavity 110, specifically, a part of air and gas enters the middle fire protection hole 231 through the gas transmission hole and flows out of the middle fire protection hole 231; the other part of the air mixture directly enters the first side fire protection hole 232 and the second side fire protection hole 233 and flows out of the first side fire protection hole 232 and the second side fire protection hole 233.
Specifically, the number of the gas transmission holes is two, and the two gas transmission holes are respectively the first gas transmission hole 241 and the second gas transmission hole 242, wherein the two gas transmission holes are arranged at intervals, the inner diameters of the two gas transmission holes can be set to be different, and the two gas transmission holes are communicated with the middle fire-holding hole 231.
Further, the ignition holes are arranged right above the fire protection hole 230 and on the circumference of the middle fire outlet hole 220, and the ignition holes are communicated with the middle fire air mixing cavity 120, so that the advantage of faster fire transfer speed can be achieved when the small fire is transferred to the big fire or when the big fire is transferred to the small fire.
Specifically, a plurality of inner ring fire outlet holes 210 are arranged at intervals along the circumferential direction of the inner ring fire cover 200; the middle ring fire outlet holes 220 are also arranged in a plurality of intervals along the circumferential direction of the inner ring fire cover 200, wherein ignition holes are arranged between the two middle ring fire outlet holes 220 and on the same circumference.
Wherein, the outlet ends of the ignition hole and the middle ring fire outlet hole 220 are both arranged on the outer circular conical surface of the inner ring fire cover 200; the outlet ends of the fire-protecting holes 230 are disposed on the outer cylindrical surface of the inner ring fire cover 200.
More specifically, referring to fig. 8 and 9, two ignition holes are provided, the two ignition holes being a first ignition hole 251 and a second ignition hole 252, respectively; the inner ring fire cover 200 is vertically projected from the front, the angle ranges between the first ignition hole 251 and the second ignition hole 252 and the horizontal axis are both 10-45 degrees, and for example, the angle between the first ignition hole 251 and the second ignition hole 252 and the horizontal axis can be 10 degrees, 15 degrees, 20 degrees, 25 degrees, 30 degrees, 35 degrees, 40 degrees or 45 degrees, and the like; in the projection of the inner ring fire cover 200 along the side surface, the angle between the first ignition hole 251 and the second ignition hole 252 and the vertical axis ranges from 10 to 50 degrees, and for example, the angle between the first ignition hole 251 and the second ignition hole 252 and the vertical axis may be 10 degrees, 15 degrees, 20 degrees, 25 degrees, 30 degrees, 35 degrees, 40 degrees, 45 degrees, 50 degrees, or the like.
In this embodiment, when the first ignition hole 251 and the second ignition hole 252 are viewed from the front side downward, the distance between the two is gradually increased from the outside to the inside, and the two holes are arranged in a shape like a Chinese character 'ba-exterior'.
Referring to fig. 10, on the basis of the above embodiment, the gas distribution base 100 includes an inner gas isolation ring 130, an intermediate gas isolation ring 140 and an outer gas isolation ring 150 which are concentrically and sequentially arranged at intervals; the middle air isolating ring 140 has a notch, the side edge of the notch protrudes outward in the radial direction and is tightly abutted with the inner side wall of the outer air isolating ring 150, and the notch and the bottom surface of the inner ring fire cover 200 are tightly matched to form a drainage groove 240; the inlet ends of the fire protection holes 230 are located on the bottom surface of the inner ring fire cover 200 and in the drainage grooves 240, and thus the inlet ends can separate the space in the gas distribution base 100 into the inner ring fire mixing air cavity 110 and the middle ring fire mixing air cavity 120, and the air mixture flowing through the inner ring fire mixing air cavity 110 can flow into the first side fire protection hole 232, the second side fire protection hole 233 and the ignition hole through the shortest path.
Specifically, the inlet ends of the fire transfer holes are also located at the bottom surface of the inner ring fire cover 200 and in the drainage grooves 240.
In this embodiment, referring to fig. 2, the inner ring fire outlet 210 includes a communication hole 211 and an air outlet groove 212 which are sequentially communicated along the gas flowing direction, the communication hole 211 is obliquely arranged relative to the center line of the inner ring fire cover 200, and the distance between the communication hole 211 and the center line of the inner ring fire cover 200 is gradually reduced from bottom to top; the gas outlet groove 212 is arranged from inside to outside in an inclined manner from high to low, so that when a sharp pan bottom is used, the combustion direction of flame can be kept as consistent as possible with the radian of the pan bottom surface, and the flame can be combusted along the bottom cambered surface of the pan; meanwhile, the flame of the inner ring fire can be in an annular effect, so that the combustion is more stable, and when the pot with the sharp bottom is used, the inner ring fire is not pressed against the surface of the water receiving tray.
Example two
The second embodiment provides a gas cooking appliance, which comprises the burner fire cover in the first embodiment. The gas cooking appliance provided by the embodiment comprises the burner fire cover, so that the technical advantages and effects achieved by the gas cooking appliance also comprise the technical advantages and effects achieved by the burner, and further description is omitted.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (11)
1. A burner fire cover, comprising: the gas distribution base (100) and the fire cover which is detachably arranged on the gas distribution base (100) in a base mode, wherein the fire cover comprises an inner ring fire cover (200) and an outer ring fire cover which is arranged on the outer peripheral side of the inner ring fire cover (200);
the gas distribution base (100) is provided with an inner ring fire gas mixing cavity (110) and a middle ring fire gas mixing cavity (120) which are separated from each other;
the outer peripheral wall of the inner ring fire cover (200) is provided with an inner ring fire outlet hole (210), a middle ring fire outlet hole (220) and a fire protection hole (230), the inner ring fire outlet hole (210) and the fire protection hole (230) are communicated with the inner ring fire mixing air cavity (110), and the middle ring fire outlet hole (220) is communicated with the middle ring fire mixing air cavity (120).
2. The burner fire cover according to claim 1, wherein the inner ring fire outlet holes (210), the middle ring fire outlet holes (220) and the fire protection holes (230) are sequentially arranged from top to bottom, and are sequentially arranged outwards along the radial direction of the inner ring fire cover (200).
3. The burner fire cover according to claim 2, wherein the fire protection holes (230) are provided in three, and the three fire protection holes (230) are a middle fire protection hole (231) provided at a middle position, and a first side fire protection hole (232) and a second side fire protection hole (233) provided at both sides of the middle fire protection hole (231), respectively.
4. The burner fire cover according to claim 3, characterized in that the inner ring fire cover (200) is vertically projected from the front, the angle between the middle fire-holding hole (231) and the horizontal axis is 0 °, and the angle between the first side fire-holding hole (232) and the second side fire-holding hole (233) and the horizontal axis is in the range of 5-45 °;
the inner ring fire cover (200) projects along the side, the angle between the middle fire protection hole (231) and the vertical axis is 90 degrees, and the angle between the first side fire protection hole (232) and the second side fire protection hole (233) and the vertical axis is 25-70 degrees.
5. The burner fire cover according to claim 4, characterized in that the inner ring fire cover (200) is provided with air transfer holes, and the middle fire holding hole (231) is communicated with the inner ring fire mixing cavity (110) through the air transfer holes;
the first side fire protection hole (232) and the second side fire protection hole (233) are respectively and directly communicated with the inner ring fire mixing cavity (110).
6. The burner fire cover according to claim 2, characterized in that a pilot hole is arranged on the circumference of the middle ring fire outlet hole (220) and directly above the fire protection hole (230), and the pilot hole is communicated with the middle ring fire mixing air cavity (120).
7. The burner fire cover according to claim 6, wherein the outlet ends of the ignition hole and the middle ring fire outlet hole (220) are arranged on the outer conical surface of the inner ring fire cover (200);
the outlet end of the fire protection hole (230) is arranged on the outer cylindrical surface of the inner ring fire cover (200).
8. The burner fire cover of claim 6, wherein the ignition holes are provided in two, the two ignition holes being a first ignition hole (251) and a second ignition hole (252);
the inner ring fire cover (200) is vertically projected from the front side, and the angle ranges between the first ignition hole (251) and the second ignition hole (252) and the horizontal axis are 10-45 degrees;
the inner ring fire cover (200) projects along the side face, and the angle ranges between the first ignition hole (251) and the vertical axis and the angle ranges between the second ignition hole (252) and the vertical axis are both 10-50 degrees.
9. The burner fire cover according to any one of claims 2 to 8, wherein the gas distributor (100) comprises an inner gas isolation ring (130), an intermediate gas isolation ring (140) and an outer gas isolation ring (150) which are concentrically and sequentially spaced;
the middle gas isolating ring (140) is provided with a notch, the side edge of the notch protrudes outwards along the radial direction and is tightly abutted with the inner side wall of the outer gas isolating ring (150), and a drainage groove (240) is formed by tightly matching the notch with the bottom surface of the inner ring fire cover (200);
the inlet end of the fire protection hole (230) is positioned on the bottom surface of the inner ring fire cover (200) and is positioned in the drainage groove (240).
10. The burner fire cover according to claim 1, wherein the inner ring fire outlet hole (210) comprises a communication hole (211) and an air outlet groove (212) which are communicated in sequence along the gas flow direction, the communication hole (211) is obliquely arranged relative to the central line of the inner ring fire cover (200), and the distance between the communication hole and the central line of the inner ring fire cover (200) is gradually reduced from bottom to top;
the air outlet groove (212) is obliquely arranged from inside to outside from high to low.
11. A gas cooker, characterized by comprising: the burner fire cover of any one of claims 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210042505.9A CN114321911A (en) | 2022-01-14 | 2022-01-14 | Burner fire cover and gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210042505.9A CN114321911A (en) | 2022-01-14 | 2022-01-14 | Burner fire cover and gas stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114321911A true CN114321911A (en) | 2022-04-12 |
Family
ID=81026921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210042505.9A Pending CN114321911A (en) | 2022-01-14 | 2022-01-14 | Burner fire cover and gas stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114321911A (en) |
-
2022
- 2022-01-14 CN CN202210042505.9A patent/CN114321911A/en active Pending
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