CN218672278U

CN218672278U - Stove burner

Info

Publication number: CN218672278U
Application number: CN202222632466.6U
Authority: CN
Inventors: 张祥程; 杨晓英; 张苏君; 谢友武; 邢双喜
Original assignee: Bigdipper Smart Electric Appliance Co Ltd
Current assignee: Bigdipper Smart Electric Appliance Co Ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-03-21
Anticipated expiration: 2032-10-08

Abstract

The utility model relates to a stove burner, which comprises a gas distribution plate, an inner fire cover and an outer fire cover; a second mounting cavity is arranged at the center of the gas distribution disc, a first air cavity, a second air cavity and a third air cavity are concentrically arranged on the outer side of the second mounting cavity from inside to outside in sequence, and a flame stabilizing air hole is arranged between the first air cavity and the second air cavity; the outer fire cover is hermetically connected to the top end of the third air cavity and forms an outer fire cavity together with the third air cavity; the inner fire cover is hermetically connected to the top ends of the first air cavity and the flame stabilizing air hole and forms an inner combustion air cavity and a flame stabilizing gas cavity respectively with the first air cavity and the flame stabilizing air hole; the volumes of the outer combustion gas cavity, the inner combustion gas cavity and the flame stabilizing combustion gas cavity are reduced in sequence. Through the gas chamber of three kinds of variation in size, can realize the flame of three kinds of powers and temperature, minimum fire is lower for the power of the combustor among the prior art, can satisfy the needs of less fire.

Description

Stove burner

Technical Field

The utility model relates to a gas-cooker technical field especially relates to a cooking utensils combustor.

Background

The gas stove is a kitchen utensil which is heated by direct fire with gas fuels such as liquefied petroleum gas, artificial gas, natural gas and the like, and along with the rapid development of gas and gas stove industry, the safety measures of the household gas stove are continuously enhanced, and the material, the function, the performance and the like of the stove are improved. At present, a stove burner is an indispensable part of a gas stove, and the quality of the performance of the stove burner directly determines the quality of a gas stove way.

Along with the continuous development of the intellectualization of the cooker, the dry burning prevention sensor is arranged on the cooker to realize the function of preventing the cooker from being dried. But the cooking utensils that present prevention pan dry combustion method burns adopt two ring cooking utensils combustor structures, even heat the pan through center fire and outer ring fire when using, its minimum power and minimum temperature are still high, and are unsatisfactory to the effect that prevents the pan dry combustion method.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the above-mentioned shortcoming, the deficiency of prior art, the utility model provides a cooking utensils combustor, it is high with minimum temperature that has solved current cooking utensils combustor, is unfavorable for the technical problem that long-time small fire used.

(II) technical scheme

In order to achieve the above object, the utility model discloses a main technical scheme include:

a stove burner comprises a gas distribution plate, an inner fire cover and an outer fire cover;

the gas distribution disc is sequentially and concentrically provided with a first gas cavity, a second gas cavity and a third gas cavity from inside to outside, and a flame stabilizing gas hole is arranged between the first gas cavity and the second gas cavity;

the outer fire cover is arranged at the top end of the third air cavity and forms an outer fire cavity together with the third air cavity;

the inner fire cover is arranged at the top ends of the first air cavity and the flame stabilizing air hole and forms an inner fire air cavity and a flame stabilizing gas cavity with the first air cavity and the flame stabilizing air hole respectively;

the volumes of the outer combustion gas cavity, the inner combustion gas cavity and the flame stabilizing combustion gas cavity are reduced in sequence.

Preferably, the first and second electrodes are formed of a metal,

two annular cavities which are concentrically arranged are arranged in the inner fire cover, and are a first cavity and a second cavity from inside to outside in sequence, the first cavity is communicated with the first air cavity to form the inner combustion air cavity, and the second cavity is communicated with the flame stabilizing air hole to form the flame stabilizing gas cavity.

Preferably, the first and second electrodes are formed of a metal,

a plurality of flame stabilizing gas holes are formed in the outer side of the inner fire cover along the circumferential direction, and the plurality of flame stabilizing gas holes are communicated with the flame stabilizing gas cavity.

Preferably, the first and second electrodes are formed of a metal,

the outer side of the inner fire cover is provided with an inward concave annular groove along the circumferential direction, and the flame stabilizing gas hole is arranged in the annular groove.

Preferably, the first and second electrodes are formed of a metal,

the bottom end of the inner fire cover is provided with a first annular cylinder;

a second annular cylinder is arranged on the outer side of the first annular cylinder, a third cavity is arranged between the first annular cylinder and the second annular cylinder, and the third cavity is communicated with the first air cavity;

the top end of the gas distribution disc is provided with an annular flame stabilizing part, the annular flame stabilizing part is arranged on the outer side of the second annular cylinder, and a flame stabilizing gas cavity is arranged between the annular flame stabilizing part and the second annular cylinder;

and a combustion gap for combusting gas is arranged between the bottom end of the inner fire cover and the annular flame stabilizing part.

Preferably, the first and second electrodes are formed of a metal,

the annular flame stabilizing part comprises a third annular cylinder arranged at the top end of the gas distribution plate and a heat-resistant ring arranged at the top end of the third annular cylinder.

Preferably, the first and second electrodes are formed of a metal,

a plurality of reinforcing ribs are distributed in the combustion gap at intervals, and combustion holes for combusting gas are formed between the adjacent reinforcing ribs.

Preferably, the first and second electrodes are formed of a metal,

the bottom of the gas distribution disc is connected with a first injection pipe, a second injection pipe and a gas inlet hole, the first injection pipe is communicated with the first gas cavity, the second injection pipe is communicated with the second gas cavity, and the gas inlet hole is communicated with the flame stabilizing gas hole.

Preferably, the first and second electrodes are formed of a metal,

the air inlet ends of the first injection pipe and the second injection pipe are respectively provided with a first nozzle and a second nozzle, and the air inlet hole is provided with a third nozzle;

from the air inlet end of the third nozzle to the air outlet end of the third nozzle, an air inlet cavity, a throttling hole and a mixing cavity are sequentially formed in the third nozzle;

the diameter of the air inlet cavity and the diameter of the mixing cavity are both larger than the diameter of the throttling hole;

the side part of the mixing cavity is at least provided with one air-guiding hole, and the air-guiding hole can enable the mixing cavity to be communicated with the outside air.

Preferably, the first and second electrodes are formed of a metal,

also comprises an anti-dry heating probe which is arranged on the probe,

the central part of the air distribution disc is provided with a second mounting cavity;

a first mounting cavity is formed in the center of the inner fire cover;

and a third installation cavity is formed in the middle of the air outlet end of the second injection pipe, and the anti-dry heating probe extends into the second installation cavity and the third installation cavity from the first installation cavity.

Preferably, the first and second electrodes are formed of a metal,

still include pan test probe, ignition needle and flame test probe, the equipartition install in divide on the gas dish, and all arrange in interior fire lid with between the outer fire lid.

(III) advantageous effects

The utility model has the advantages that: the utility model discloses a flame of three kinds of powers and temperature can be realized to the gas chamber of three kinds of variation in size, and minimum fire is lower for the power of the combustor among the prior art, can satisfy the needs of less fire.

Drawings

Fig. 1 is a schematic view of the overall structure of a cooker burner according to embodiment 1 of the present invention;

fig. 2 is a schematic view of the internal structure of embodiment 1 of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is an exploded view of a cooker burner of embodiment 1 in the present invention;

fig. 5 is a schematic structural view of the air distribution plate of the present invention;

FIG. 6 is a left side view of FIG. 5;

fig. 7 is a schematic view of a combined structure of the first injection pipe and the second injection pipe of the present invention;

fig. 8 is a schematic half-sectional view of an inner fire cover in embodiment 1 of the present invention;

fig. 9 is a schematic half-sectional view of an inner fire cover in embodiment 2 of the present invention;

fig. 10 is a perspective view of an inner fire cover according to embodiment 3 of the present invention;

fig. 11 is a schematic view of the internal structure of the combination of the inner fire cover and the air distributor in embodiment 3 of the present invention;

fig. 12 is a schematic view of the arrangement structure of the intake pipe and the valve body of the present invention;

fig. 13 is a schematic view of the combination of the main switch valve, the proportional valve, the outer ring solenoid valve and the inner ring solenoid valve of the present invention.

[ description of reference ]

1: a gas distribution plate; 2: an outer fire cover; 3: an inner fire cover; 4: a first ejector tube; 5: a second ejector tube; 6: an air inlet; 7: a third nozzle; 8: an ignition needle; 9: a flame detection probe; 10: a dry-heating prevention probe; 11: a first nozzle; 12: a second nozzle; 13: a heat-resistant ring; 14: a pot detection probe; 101: a third air cavity; 102: a first air cavity; 103: a flame stabilizing air hole; 104: a second air cavity; 105: a second mounting cavity; 106: a third annular cylinder; 301: a first cavity; 302: a second cavity; 303: an internal combustion air hole; 304: a flame stabilizing gas hole; 305: an annular groove; 306: reinforcing ribs; 307: a second annular cylinder; 308: a first annular cylinder; 310: a flame stabilizing gas chamber; 401: a third mounting cavity; 402: an air outlet cavity; 403: an air outlet; 701: an air inlet cavity; 702: an orifice; 703: a mixing chamber; 704: an air vent; 1001: a main on-off valve; 1002: a proportional valve; 1003: an outer ring solenoid valve; 1004: an inner ring solenoid valve.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings. In the present embodiment, the side away from the center of the gas distribution plate is defined as "outside".

Example 1:

as shown in fig. 1 to 8, a burner of a kitchen range comprises a gas distribution plate 1, an inner fire cover 3 and an outer fire cover 2. A first air cavity 102, a second air cavity 104 and a third air cavity 101 are concentrically arranged on the outer side of the air distribution disc 1 from inside to outside in sequence, and a flame stabilizing air hole 103 is arranged between the first air cavity 102 and the second air cavity 104. The outer fire cover 2 is arranged at the top end of the third air cavity 101 and forms an outer fire air cavity with the third air cavity 101 in an enclosing mode. The inner fire cover 3 is arranged at the top ends of the first air cavity 102 and the flame-stabilizing air hole 103, and forms an inner combustion air cavity and a flame-stabilizing gas cavity with the first air cavity 102 and the flame-stabilizing air hole 103 respectively. The outer gas cavity, the inner gas cavity and the flame-stabilizing gas cavity are not communicated, and the volumes of the outer gas cavity, the inner gas cavity and the flame-stabilizing gas cavity are reduced in sequence.

In the cooking process, for example, soup cooking needs slow stewing with small fire, but the existing stove burner has high power and cannot meet the use requirement.

The utility model discloses a gas chamber that three kinds of volume size are different to satisfy different flame size and different combustion power's needs, can realize littleer combustion power through steady flame air cavity, with satisfy the requirement of cooking that the small fire stew slowly, and through the burning of low power, can prevent that the moisture in the pan from being by the evaporation to dryness, in order to prevent that the pan from being damaged.

As shown in fig. 5 and 6, in the present embodiment, the gas distribution plate 1 includes an inner ring seat and an outer ring seat, the inner ring seat and the outer ring seat are connected by a connection beam, the first gas chamber 102 is disposed in the outer ring seat, and the third gas chamber 101 and the flame holding gas holes 103 are disposed in the inner ring seat.

In this embodiment, the air distribution plate 1 is an integrally formed structure, and of course, the air distribution plate 1 in other embodiments in this scheme may not be an integrally formed structure.

In this embodiment, a plurality of outer gas holes for burning gas are formed in the outer side of the outer fire cover 2 along the circumferential direction, and the outer gas holes are communicated with the outer gas cavity.

As shown in fig. 8, two concentrically arranged annular cavities are formed in the inner fire cover 3, and sequentially include a first cavity 301 and a second cavity 302 from inside to outside, the first cavity 301 is communicated with the first air cavity 102 to form an inner combustion air cavity, the second cavity 302 is communicated with the flame stabilizing air hole 103, and the second cavity 302 is communicated with the flame stabilizing air hole 103 to form a flame stabilizing gas cavity. A plurality of internal combustion air holes 303 are formed in the outer side of the internal combustion cover 3 along the circumferential direction, and the internal combustion air holes 303 are communicated with the internal combustion air cavity. The outer side of the inner fire cover 3 is provided with a plurality of flame stabilizing gas holes 304 along the circumferential direction, and the plurality of flame stabilizing gas holes 304 are communicated with the flame stabilizing gas cavity. In this embodiment, the flame stabilizing gas hole 304 is disposed below the inner gas hole 303.

As shown in fig. 1 and 5, the bottom of the air distribution plate 1 is further connected with a first ejector pipe 4, a second ejector pipe 5 and an air inlet 6, the first ejector pipe 4 is communicated with the first air cavity 102, the second ejector pipe 5 is communicated with the third air cavity 101, and the air inlet 6 is communicated with the flame stabilizing air hole 103.

As shown in fig. 1 and 12, the air inlet ends of the first injection pipe 4 and the second injection pipe 5 are respectively provided with a first nozzle 11 and a second nozzle 12, and the air inlet hole 6 is provided with a third nozzle 7. From the air inlet end of the third nozzle 7 to the air outlet end of the third nozzle 7, an air inlet cavity 701, an orifice 702 and a mixing cavity 703 are sequentially arranged in the third nozzle 7.

The diameter of the inlet chamber 701 and the diameter of the mixing chamber 703 are both larger than the diameter of the orifice 702. At least one bleed hole 704 is provided in the side of the mixing chamber 703, the bleed hole 704 enabling the mixing chamber 703 to communicate with the outside air.

As shown in fig. 1 and 4, in this embodiment, the dry-burning prevention probe 10 is further included, the second installation cavity 105 is arranged at the central portion of the gas distribution plate 1, the first installation cavity is arranged at the central portion of the inner fire cover 3, the third installation cavity 401 is arranged at the central portion of the gas outlet end of the second injection pipe 5, and the dry-burning prevention probe 10 extends into the second installation cavity 105 and the third installation cavity 401 from the first installation cavity. Through the temperature of preventing dry combustion method probe 10 detection pan, if the moisture in the pan is evaporated, then the temperature of pan rises fast, prevents dry combustion method probe 10 and detects the pan temperature rapid change back to the aperture of the admission valve of adjustment cooking utensils combustor, for example close the admission valve in outer gas chamber, open the admission valve in steady flame gas chamber, prevent that the pan from being burnt out or more serious burning accident.

As shown in fig. 7, in this embodiment, a third installation cavity 401 is disposed in the central portion of the second ejector pipe 5, an annular air outlet cavity 402 is disposed outside the third installation cavity 401, and the air outlet cavity 402 is communicated with the first air cavity 102 and is used for supplying air into the inner combustion gas cavity. And an air outlet 403 is formed in the outer side of the third mounting cavity 401, and the air outlet 403 is communicated with the flame stabilizing air hole 103 and used for supplying air to the flame stabilizing gas cavity.

As shown in fig. 1, in this embodiment, the cooker detection probe 14, the ignition needle 8 and the flame detection probe 9 are further included and uniformly installed in the second air cavity 104. Whether the pot leaves the pot holder or not is detected through the pot detection probe 14, and if the pot leaves the pot holder, the opening degree of the air inlet valve is reduced, so that the waste of fuel gas is reduced.

As shown in fig. 13, in this embodiment, the fuel gas injection system further includes a main on-off valve 1001, an air inlet end of the main on-off valve 1001 is connected to the fuel gas supply channel, an air outlet end of the main on-off valve 1001 is connected to a proportional valve 1002 through a pipeline, an air outlet end of the proportional valve 1002 is connected to the third nozzle 7 through a first pipeline, an air outlet end of the proportional valve 1002 is connected to the second nozzle 12 through a second pipeline, and the second pipeline is provided with an outer ring electromagnetic valve 1003. The air outlet end of the proportional valve 1002 is connected with the first nozzle 11 through a third pipeline, and an inner ring electromagnetic valve 1004 is installed on the third pipeline.

In this embodiment, the outer ring solenoid valve 1003 and the inner ring solenoid valve 1004 may be an on-off valve or a flow control valve. The proportional valve 1002 is a flow regulating valve.

The proportional valve 1002, the outer ring solenoid valve 1003 and the inner ring solenoid valve 1004 may be three independent valves, or three valves may be integrated on the same valve body.

Further, the main on-off valve 1001, the proportional valve 1002, the outer ring solenoid valve 1003, and the inner ring solenoid valve 1004 may be integrated on the same valve body.

Example 2:

different from the embodiment 1, the outer side of the inner fire cover 3 is provided with an inwardly recessed annular groove 305 along the circumferential direction, and the plurality of flame stabilizing gas holes 304 are arranged in the annular groove 305.

Example 3:

unlike embodiment 1, the bottom end of the inner fire cover 3 is provided with a first annular cylinder 308. The second annular cylinder 307 is arranged outside the first annular cylinder 308, a third cavity is arranged between the first annular cylinder 308 and the second annular cylinder 307, and the third cavity is communicated with the first air cavity 102. The top end of the gas distribution plate 1 is provided with an annular flame stabilizing part, the annular flame stabilizing part is arranged outside the second annular cylinder 307, and a flame stabilizing gas cavity is arranged between the annular flame stabilizing part and the second annular cylinder 307. A combustion gap for combusting gas is arranged between the bottom end of the inner fire cover and the annular flame stabilizing part.

In this embodiment, the annular flame holding portion includes a third annular cylinder 106 disposed at the top end of the gas distribution plate 1 and a heat-resistant ring disposed at the top end of the third annular cylinder 106.

Furthermore, a plurality of reinforcing ribs 306 are distributed at intervals in the combustion gap, the bottoms of the reinforcing ribs 306 are abutted against the heat-resistant ring 13, and combustion holes for combusting gas are formed between adjacent reinforcing ribs 306.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A stove burner is characterized by comprising a gas distribution plate (1), an inner fire cover (3) and an outer fire cover (2);

a first air cavity (102), a second air cavity (104) and a third air cavity (101) are sequentially and concentrically arranged on the air distribution disc (1) from inside to outside, and a flame stabilizing air hole (103) is arranged between the first air cavity (102) and the second air cavity (104);

the outer fire cover (2) is arranged at the top end of the third air cavity (101) and forms an outer fire cavity together with the third air cavity (101);

the inner fire cover (3) is arranged at the top ends of the first air cavity (102) and the flame-stabilizing air hole (103), and forms an inner combustion air cavity and a flame-stabilizing gas cavity with the first air cavity (102) and the flame-stabilizing air hole (103) respectively;

2. Hob burner as in claim 1,

two annular cavities which are concentrically arranged are formed in the inner fire cover (3), and are a first cavity (301) and a second cavity (302) from inside to outside in sequence, the first cavity (301) is communicated with the first air cavity (102) to form the inner combustion air cavity, and the second cavity (302) is communicated with the flame stabilizing air hole (103) to form the flame stabilizing gas cavity.

3. Hob burner as claimed in claim 2,

a plurality of flame-stabilizing gas holes (304) are formed in the outer side of the inner fire cover (3) along the circumferential direction, and the plurality of flame-stabilizing gas holes (304) are communicated with the flame-stabilizing gas cavity.

4. Hob burner as claimed in claim 3,

the outer side of the inner fire cover (3) is provided with an inward concave annular groove (305) along the circumferential direction, and the flame stabilizing gas hole (304) is arranged in the annular groove (305).

5. Hob burner as in claim 1,

a first annular cylinder (308) is arranged at the bottom end of the inner fire cover (3);

a second annular cylinder (307) is arranged on the outer side of the first annular cylinder (308), a third cavity is arranged between the first annular cylinder (308) and the second annular cylinder (307), and the third cavity is communicated with the first air cavity (102);

the top end of the gas distribution disc (1) is provided with an annular flame stabilizing part, the annular flame stabilizing part is arranged on the outer side of the second annular cylinder (307), and a flame stabilizing gas cavity is arranged between the annular flame stabilizing part and the second annular cylinder (307);

and a combustion gap for combusting gas is arranged between the bottom end of the inner fire cover (3) and the annular flame stabilizing part.

6. Hob burner as claimed in claim 5,

the annular flame stabilizing part comprises a third annular cylinder (106) arranged at the top end of the gas distribution plate (1) and a heat-resisting ring (13) arranged at the top end of the third annular cylinder (106).

7. Hob burner as claimed in claim 6,

a plurality of reinforcing ribs (306) are distributed in the combustion gap at intervals, and combustion holes for combusting gas are formed between the adjacent reinforcing ribs (306).

8. The cooking appliance burner of any one of claims 1 to 7,

the bottom of the gas distribution disc (1) is connected with a first injection pipe (4), a second injection pipe (5) and a gas inlet hole (6), the first injection pipe (4) is communicated with the first gas cavity (102), the second injection pipe (5) is communicated with the second gas cavity (104), and the gas inlet hole (6) is communicated with the flame stabilizing gas hole (103).

9. Hob burner as claimed in claim 8,

the air inlet ends of the first injection pipe (4) and the second injection pipe (5) are respectively provided with a first nozzle (11) and a second nozzle (12), and the air inlet hole (6) is provided with a third nozzle (7);

an air inlet cavity (701), an orifice (702) and a mixing cavity (703) are sequentially arranged in the third nozzle (7) from the air inlet end of the third nozzle (7) to the air outlet end of the third nozzle (7);

the diameter of the air inlet cavity (701) and the diameter of the mixing cavity (703) are both larger than the diameter of the throttling hole (702);

at least one air guide hole (704) is formed in the side of the mixing cavity (703), and the air guide hole (704) enables the mixing cavity (703) to be communicated with the outside air.

10. Hob burner as claimed in claim 8,

also comprises an anti-dry heating probe (10),

a second mounting cavity (105) is formed in the center of the air distribution disc (1);

a first mounting cavity is formed in the center of the inner fire cover (3);

and a third installation cavity (401) is formed in the middle of the air outlet end of the second injection pipe (5), and the dry-burning prevention probe (10) extends into the second installation cavity (105) and the third installation cavity (401) from the first installation cavity.

11. Hob burner as claimed in claim 9 or 10,

still include pan measuring probe (14), ignition needle (8) and flame measuring probe (9), the equipartition install in divide on the gas dish (1), and all arrange in interior fire lid (3) with between outer fire lid (2).