CN218295722U

CN218295722U - Burner fire cover for gas stove

Info

Publication number: CN218295722U
Application number: CN202222324599.7U
Authority: CN
Inventors: 方晓艳; 俞瑜
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-01-13
Anticipated expiration: 2032-08-31

Abstract

The utility model relates to a combustor fire lid for gas-cooker, including annular body, the body encloses into the gas mixing chamber jointly with lower ring body, the outer terminal surface of lower ring body with form between the cyclic annular roof of body and mix the outer annular seam of gas chamber intercommunication, its characterized in that: lie in the annular gap of the innermost and be used for the ignition passageway intercommunication of ignition in outer annular gap, and the annular gap that lies in the outside in outer annular gap then is provided with the flame stabilizing structure, compares with prior art, the utility model has the advantages of: through being provided with steady flame structure in the outer annular gap at combustor fire lid to "draw" the play fire of holding the annular gap and play the effect that the buffering slowed down, make annular fire can burn more steadily, in addition, because lie in the annular gap of the innermost and be used for the ignition passageway intercommunication of ignition in the outer annular gap, when the fire in the ignition passageway reaches outer annular gap from the ignition passageway like this, also more smoothly.

Description

Burner fire cover for gas stove

Technical Field

The utility model relates to a domestic kitchen utensils and appliances technical field especially relates to a combustor fire lid for gas-cooker.

Background

The fire holes of the existing atmospheric burner are roughly as follows: the fire hole cover is characterized by comprising a plurality of circular fire holes, square fire holes and strip fire holes, wherein the circular fire holes and the strip fire holes are formed by machining, dozens of fire holes are needed on a single fire cover to ensure the thermal strength of the fire holes, and the problems of low production efficiency, waste of a large amount of materials, high machining cost and the like exist; the square fire holes are generally formed by forging, but the square fire holes have more tolerance requirements, so that the requirement on the precision of the die is high, the die is complex and the service life is short. In addition, the fire holes are independent small holes, and pain spots which are difficult to clean after being blocked exist. The existing burner adopts annular fire holes, for example, a Chinese utility model patent with patent number ZL202022037245.5 (with publication number CN 213777719U) applied by the applicant, namely a fire cover for a gas stove, comprises an annular body, an annular top wall of the body, an inner ring wall and an outer ring wall which vertically or obliquely extend downwards from the inner side edge and the outer side edge of the annular top wall form a gas mixing cavity, a first fire outlet seam is formed between the outer ring wall and a lower ring body, a second fire outlet seam is formed between a notch and a partition block, the annular body and the lower ring body of the fire cover form the first fire outlet seam and the second fire outlet seam which are circumferentially arranged at intervals, so that fire is continuously discharged in the circumferential direction, the bottom of a boiler is heated more uniformly, the fire holes are not easy to be blocked, the intensity of the high fire holes of the existing fire cover is inevitably prone to be stable, particularly, under the high load intensity, primary air is added, the fire holes are extremely fast, the air flow rate is extremely easy to appear, and the flame transfer is difficult to further research, and the problem of the structure of the fire cover is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a combustor fire lid for gas-cooker that goes out fire passageway and has good steady flame and spread fire effect is provided to above-mentioned prior art current situation.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: this a burner fire lid for gas-cooker, including annular body, the cyclic annular roof of body and from the vertical or slope downwardly extending's of the inboard edge of this cyclic annular roof inner ring wall, still be provided with down the ring body below the cyclic annular body, down the ring body with inner ring wall, cyclic annular roof enclose into the gas mixing chamber jointly, form between the outer terminal surface of lower ring body and the cyclic annular roof of body with the outer annular seam that gas mixing chamber communicates, its characterized in that: the annular seam located on the innermost side in the outer annular seams is communicated with a fire-leading channel for firing, and the annular seam located on the outermost side in the outer annular seams is provided with a flame-stabilizing structure.

In order to realize the connection between the lower ring body and the outer annular seam, preferably, the outer annular seam includes at least two annular rings arranged at intervals, each annular ring is provided with a spacer block forming an annular seam with an adjacent annular ring, the annular seam at the outermost side is formed by the outer end surface of the lower ring body and the annular ring at the outermost side together, the outer end surface of the lower ring body is provided with at least two convex blocks at intervals along the circumferential direction, the interval between the adjacent convex blocks and the annular ring at the outermost side form the flame stabilizing structure, and correspondingly, the outer end surface of the lower ring body is provided with a placing block for placing the annular ring at the outermost side on the position of the spacer block of each annular ring. The flame stabilizing structure positioned on the outermost side in the outer annular seam is formed by the interval between each adjacent lug on the outer end surface in the lower annular body, and the arrangement of the laying blocks can simply realize the connection of the lower annular body and the outer annular seam.

In order to avoid the situation that fire cannot be emitted in the area due to the arrangement of the placing blocks, the placing blocks are preferably provided with communication ports communicated with the intervals among the convex blocks.

Furthermore, the ignition channel is arranged on the annular top wall, an opening on the outer side of the ignition channel is abutted to the annular ring located on the innermost side, and a first air inlet communicated with the air mixing cavity is formed in the position, close to the annular seam on the innermost side, of the bottom of the ignition channel. The first air inlet is used for realizing the communication between the air mixing cavity and the ignition channel, and the outer opening of the ignition channel is abutted to the annular ring positioned at the innermost side, so that the outer gas of the ignition channel and the outer annular gap are derived from the same outer ring gas channel, and the flame is more smooth when being transmitted to the outer annular gap from the ignition channel.

In order to realize that the inner side and the outer side of the burner fire cover are provided with annular fire, an inner annular seam communicated with the air mixing cavity is preferably formed between the inner end surface of the lower annular body and the annular top wall of the body.

In order to realize that the user can control the fire independently relative to the inner annular gap and the outer annular gap, preferably, the annular top wall has a partition plate separating the inner annular gap and the outer annular gap, the partition plate divides the air mixing chamber into an inner air mixing chamber communicating with the inner annular gap and an outer air mixing chamber communicating with the outer annular gap, and the inner opening of the ignition passage is provided with a second air inlet communicating with the inner air mixing chamber.

In order to separate the inner gas channel and the outer gas channel of the burner fire cover, and to make the structure more compact, it is preferable that a base is disposed below the lower ring body, at least two inner gas channels communicated with the inner gas mixing chamber are opened on the base, and each inner gas channel is radially disposed in an inner cavity formed by the inner annular gap. Each inner gas channel radially provides gas mixture consisting of gas and primary air to the inner annular gap, and the gas supply speed of the gas mixture is higher.

In order to supply the mixture of the fuel gas and the primary air to the outer annular gap, preferably, an opening communicated with the outer gas mixing cavity and the outer fuel gas channel is formed in the base.

Compared with the prior art, the utility model has the advantages of: through being provided with the flame stabilizing structure in the outer annular gap at combustor fire lid to "pull" the play fire of holding the annular gap and play the effect of buffering speed reduction, make annular fire can burn more steadily, in addition, because lie in the annular gap of the innermost annular gap and be used for the ignition passageway intercommunication of ignition in the outer annular gap, fire in the ignition passageway is from the ignition passageway when passing to outer annular gap like this, also more smoothly.

Drawings

FIG. 1 is a schematic view of a burner fire cover according to an embodiment of the present invention;

FIG. 2 is a schematic view of another angle of FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 1;

fig. 4 is a schematic structural view of a lower ring body in the embodiment of the present invention;

fig. 5 is a schematic structural diagram of a second annular ring according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 5, the preferred embodiment of the present invention is shown. The burner fire cover for the gas stove comprises an annular body 1, an annular top wall 11 of the body 1 and an inner annular wall 12 vertically or obliquely extending downwards from the inner side edge of the annular top wall 11, a lower ring body 2 is further arranged below the annular body 1, the lower ring body 2, the inner annular wall 12 and the annular top wall 11 jointly enclose a gas mixing cavity 13, an outer annular seam 14 communicated with the gas mixing cavity 13 is formed between the outer end face of the lower ring body 2 and the annular top wall 11 of the body 1, the annular seam located on the innermost side in the outer annular seam 14 is communicated with a fire ignition channel 3 for igniting fire, and the annular seam located on the outermost side in the outer annular seam 14 is provided with a flame stabilizing structure 4. Through being provided with flame stabilizing structure 4 in outer annular gap 14 of combustor fire lid to "draw" the play fire of annular gap and play the effect of buffering speed reduction, make annular fire can more stably burn, in addition, because lie in the annular gap of the innermost in outer annular gap 14 and be used for the pilot channel 3 intercommunication of pilot fire, when the fire in pilot channel 3 passed to outer annular gap 14 from pilot channel 3 like this, also more smoothly.

Specifically, in order to realize the connection between the lower ring body 2 and the outer annular slit 14, the outer annular slit 14 of the present embodiment includes at least two annular rings arranged at intervals, two annular rings are described by taking three annular slits 14 as an example, the outermost annular ring is not referred to as a first annular ring 141, the innermost annular ring is not referred to as a second annular ring 142, a spacer 143 forming an annular slit with an adjacent annular ring is arranged on each annular ring, the outermost annular slit is formed by the outer end surface of the lower ring body 2 and the first annular ring 141, at least two projections 21 are arranged on the outer end surface of the lower ring body 2 at intervals in the circumferential direction, the interval between the adjacent projections 21 and the first annular ring 141 form a flame stabilizing structure 4, and correspondingly, the outer end surface of the lower ring body 2 is provided with a resting block 22 for resting the first annular ring 141 on the position of the spacer 143 of each annular ring. The flame holding structure 4 located at the outermost side in the outer annular gap 14 is formed by the interval between each adjacent projection 21 on the outer end surface of the lower ring body 2, and the arrangement of the rest blocks 22 can simply realize the connection between the lower ring body 2 and the outer annular gap 14. In order to avoid the fire in the area caused by the arrangement of the placing block 22, the placing block 22 is provided with a communication port 23 communicated with the interval between the convex blocks 21.

In addition, an ignition channel 3 for ignition is arranged on the annular top wall 11, an outer opening 31 of the ignition channel 3 is abutted against the annular ring positioned at the innermost side, and a first air inlet 32 communicated with the air mixing cavity 13 is arranged at the bottom of the ignition channel 3 close to the annular gap at the innermost side. The first air inlet 32 is used for communicating the air mixing cavity 13 with the ignition channel 3, and the outer opening 31 of the ignition channel 3 is abutted against the second annular ring 142, so that the outer gas of the ignition channel 3 and the outer annular gap 14 are from the same outer ring gas channel, and when the flame is transmitted from the ignition channel 3 to the outer annular gap 14, the flame is smoother. In order to realize that the inner side and the outer side of the burner fire cover are provided with annular fire, an inner annular seam 15 communicated with the gas mixing cavity 13 is formed between the inner end surface of the lower annular body 2 and the annular top wall 11 of the body 1. And in order to realize that the user can control the fire independently of the inner annular slit 15 and the outer annular slit 14 relatively, the annular top wall 11 has a partition plate 5 that partitions the inner annular slit 15 and the outer annular slit 14, the partition plate 5 partitions the air-mixing chamber 13 into an inner air-mixing chamber 131 that communicates with the inner annular slit 15 and an outer air-mixing chamber 132 that communicates with the outer annular slit 14, and the inner opening 33 of the firing channel 3 is provided with a second air inlet 34 that communicates with the inner air-mixing chamber 131. The inner annular slit 15 of this embodiment is also identical to the outer annular slit 14, having three turns of the annular slit and being provided at the innermost side with a flame holding structure 4 identical to the outer annular slit 14. Finally, in order to separate the inner gas channel 61 and the outer gas channel of the burner fire cover, a base 6 is arranged below the lower ring body 2, at least two inner gas channels 61 communicated with the inner gas mixing cavity 131 are arranged on the base 6, each inner gas channel 61 is radially arranged in the inner cavity 62 formed by the inner ring-shaped seam 15, each inner gas channel 61 radially provides gas mixture formed by gas and primary air to the inner ring-shaped seam 15, and the gas supply speed of the gas mixture is higher. And the base 6 is provided with an opening 63 communicated with the outer gas mixing cavity 132 and the outer gas channel so as to supply gas mixture consisting of gas and primary air to the outer annular gap 14.

Claims

1. The utility model provides a burner fire lid for gas-cooker, including annular body (1), annular roof (11) of body (1) and from the vertical or slope downwardly extending's of the inboard edge of this annular roof (11) inner ring wall (12), still be provided with down ring body (2) below annular body (1), down ring body (2) with inner ring wall (12), annular roof (11) enclose into gas mixing chamber (13) jointly, form between the outer terminal surface of lower ring body (2) and the annular roof (11) of body (1) with outer annular seam (14) that gas mixing chamber (13) communicate, its characterized in that: the annular gap located on the innermost side in the outer annular gaps (14) is communicated with a fire-leading channel (3) for leading fire, and the annular gap located on the outermost side in the outer annular gaps (14) is provided with a flame stabilizing structure (4).

2. Burner fire cover for gas cookers according to claim 1, characterized in that: the outer annular seam (14) comprises at least two annular rings arranged at intervals, a spacer block (143) forming an annular seam with an adjacent annular ring is arranged on each annular ring, the annular seam on the outermost side is formed by the outer end face of the lower ring body (2) and the annular ring on the outermost side, at least two convex blocks (21) are arranged on the outer end face of the lower ring body (2) at intervals along the circumferential direction, the interval between the adjacent convex blocks (21) and the annular ring on the outermost side form the flame stabilizing structure (4), and correspondingly, a placing block (22) placing the annular ring on the outermost side on the outer end face of the lower ring body (2) is arranged at the position of the spacer block (143) of each annular ring.

3. Burner fire cover for gas cookers according to claim 2, characterized in that: the placing block (22) is provided with a communicating opening (23) which is communicated with the bumps (21) at intervals.

4. Burner fire cover for gas cookers according to claim 3, characterized in that: the ignition channel (3) is arranged on the annular top wall (11), an outer opening (31) of the ignition channel (3) is abutted to the innermost annular ring, and a first air inlet (32) communicated with the air mixing cavity (13) is formed in the position, close to the innermost annular gap, of the bottom of the ignition channel (3).

5. Burner fire cover for gas cookers according to any one of claims 1 to 4, characterized in that: an inner annular gap (15) communicated with the air mixing cavity (13) is formed between the inner end surface of the lower ring body (2) and the annular top wall (11) of the body (1).

6. Burner fire cover for gas cookers according to claim 5, characterized in that: the annular top wall (11) is provided with a partition plate (5) for separating an inner annular gap (15) from an outer annular gap (14), the partition plate (5) divides the air mixing cavity (13) into an inner air mixing cavity (131) communicated with the inner annular gap (15) and an outer air mixing cavity (132) communicated with the outer annular gap (14), and a second air inlet (34) communicated with the inner air mixing cavity (131) is arranged at an inner side opening (33) of the ignition channel (3).

7. Burner fire cover for gas cookers according to claim 6, characterized in that: a base (6) is arranged below the lower ring body (2), at least two inner gas channels (61) communicated with the inner gas mixing cavity (131) are formed in the base (6), and each inner gas channel (61) is radially arranged in an inner surrounding cavity (62) formed by the inner annular gap (15).

8. Burner fire cover for gas cookers according to claim 7, characterized in that: and the base (6) is provided with an opening (63) communicated with the outer gas mixing cavity (132) and the outer gas channel.