CN111442300B

CN111442300B - Stove burner

Info

Publication number: CN111442300B
Application number: CN202010247050.5A
Authority: CN
Inventors: 苏慧玲; 郑军妹; 俞瑜; 严力峰
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2022-03-08
Anticipated expiration: 2040-03-31
Also published as: CN111442300A

Abstract

The invention discloses a stove burner which comprises an outer ring fire cover and an inner ring fire cover, wherein a secondary air channel is arranged below the outer ring fire cover, a detachable overflow cup is arranged between the outer ring fire cover and the inner ring fire cover, the overflow cup comprises a liquid containing chamber and an air supply channel which are mutually separated, the top of the liquid containing chamber is open, one side of the air supply channel, which is close to the outer ring fire cover, is communicated with the secondary air channel, one side of the air supply channel, which is close to the inner ring fire cover, is provided with a first air supply port, and the first air supply port faces to a fire hole of the inner ring fire cover. The cooker burner provided by the invention is convenient to contain overflowing liquid flowing from the upper part by arranging the detachable overflowing liquid cup between the outer ring fire cover and the inner ring fire cover, is convenient for a user to detach for cleaning or maintenance, has a simple structure, low cost and convenient use, also has an air inlet channel for supplementing secondary air, realizes the combination of two functions, and ensures that the liquid containing chamber and the air supply channel with the two functions are mutually separated and not influenced, thereby having strong practicability.

Description

Stove burner

Technical Field

The invention relates to a stove burner.

Background

A sink-type gas range is a type of gas range in which a burner is located below a panel of the range. Inside the conventional fire cover structure, if an outer fire cover and an inner fire cover are provided at the same time, an annular cavity is formed between the two, and the annular cavity serves as a collection device for overflowing liquid. However, it is also necessary to have a transfer passage to convey the outside air around the inner ring fire cover to supplement the gas required for proper ignition at the inner ring fire cover. Aiming at the cooker burner structure formed by combining the upper liquid containing disc and the lower liquid containing disc, secondary supplementary air also needs to flow into the fire cover structure through the gap between the upper liquid containing disc and the lower liquid containing disc to ensure the normal use of the gas cooker.

Then to the position of toroidal cavity, gas transportation passageway and overflow bear the weight of the device and need set up simultaneously here, and the water conservancy diversion passageway of gaseous water conservancy diversion passageway and overflow will certainly produce the influence each other, makes the structure of this department not only difficult design and processing, also produces clean dead angle easily, more probably blocks up the passageway that the air supplyed to inner ring fire lid because of the overflow, influences the use experience of combustor.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the defect that the structure is difficult to design and difficult to clean and maintain due to the mutual influence of a spilled liquid guide channel and a secondary air channel between an outer ring fire cover and an inner ring fire cover in the prior art, and provides a stove burner.

The invention solves the technical problems through the following technical scheme:

a stove burner comprises an outer ring fire cover and an inner ring fire cover, wherein a secondary air channel is arranged below the outer ring fire cover, a detachable overflow cup is arranged between the outer ring fire cover and the inner ring fire cover, the overflow cup comprises a liquid containing chamber and an air supply channel which are mutually separated, the top of the liquid containing chamber is open, and one side of the air supply channel, which is close to the outer ring fire cover, is communicated with the secondary air channel;

one side of gas supply channel that is close to inner ring fire lid has first gas supply mouth, first gas supply mouth towards the fire hole setting of inner ring fire lid.

According to the stove burner, the detachable overflow cup is arranged between the outer ring fire cover and the inner ring fire cover, so that overflow generated by the part above the stove burner can flow to the position, and then the stove burner can be detached and cleaned by a user conveniently. In addition, the overflow cup has the function of collecting overflow and communicating the secondary air channel and the space near the fire hole of the inner ring fire cover, so that the overflow cup is used as the overflow cup and also has an air supply channel, and a liquid containing chamber for collecting overflow and the air supply channel for transmitting air are separated from each other, and the overflow cup and the air supply channel cannot generate mutual influence.

Simultaneously, the overflow cup of relative detachable need not change the structure of outer loop fire lid and inner ring fire lid for the structure that separates flourishing liquid chamber and air feed channel more conveniently sets up, and the processing degree of difficulty is also lower.

Preferably, the fire hole is formed in the side wall of the inner ring fire cover, and the first air supply port is arranged close to the fire hole and below the fire hole.

In this scheme, adopt above-mentioned structural style, near being close to the fire hole of inner ring fire lid with first air supply port, be for mainly leading the secondary air who passes through air feed channel to the fire hole department of inner ring fire lid, for the normal combustion in inner ring fire lid fire hole department and supplementary air to first air supply port sets up in the below of fire hole, also avoids the structure around the first air supply port to produce the shelter from to the fire hole.

Preferably, the gas supply channel further has a second gas supply port formed in a side wall surface of the gas supply channel adjacent to the liquid containing chamber.

In this scheme, adopt above-mentioned structural style, can make secondary air be full of as early as possible to the space between inner ring fire lid and the outer loop fire lid, guarantee that the air around the inner ring fire lid is sufficient, further guaranteed the normal burning of inner ring fire lid fire hole department.

Preferably, the second air supply port is provided near a top wall of the air supply passage. The second air supply port is close to the top wall of the air supply channel and is also far away from the bottom of the liquid containing chamber, so that the overflowing liquid is far away from the second air supply port as far as possible when the overflowing liquid is contained in the liquid containing chamber, and the possibility that the second air supply port is blocked by the overflowing liquid is reduced.

Preferably, a liquid blocking structure is arranged above the second air supply port. So as to avoid the overflow liquid flowing into the second air supply port from the position of the second air supply port to block the second air supply port.

Preferably, the overflow cup is an annular groove, the outer annular side wall of the annular groove is attached to the inner side surface of the outer annular fire cover, and the inner annular side wall of the annular groove is attached to the outer side surface of the inner annular fire cover.

In this scheme, adopt above-mentioned structural style, with the shape of overflow cup design for the annular groove and inside and outside laminate respectively in inner ring fire lid lateral wall and outer ring fire lid lateral wall, when having guaranteed that the flourishing liquid chamber of overflow cup has the indent structure, there is not other exposed space between inner ring fire lid and the outer ring fire lid to the overflow that makes cooking utensils combustor top produce can both flow into this flourishing liquid chamber, thereby is convenient for clear up the cooking utensils combustor.

Preferably, the gas supply passage is formed below a groove bottom surface of the annular groove. The air supply channel is formed below the bottom surface of the annular groove, the liquid containing chamber and the air supply channel can be separated from each other by means of the self structure of the annular groove, an independent side wall structure is not needed to form a separated chamber, and manufacturing cost is saved while separation effect is good.

Preferably, the first air supply port is formed at a junction of a top wall of the air supply channel and the inner ring side wall.

In this scheme, adopt above-mentioned structural style, form first air supply mouth in roof and lateral wall juncture, can form an ascending air current in this department in the slant, the inner ring fire lid fire hole of its top of alignment that can be better carries out comparatively abundant air supplement to it.

Preferably, the opening of the first air supply port is in the shape of a long groove, and the radian of the first air supply port is matched with the radian of the side wall of the inner ring.

In this scheme, adopt above-mentioned structural style, with the radian of first air supply mouth and the radian of inner ring lateral wall phase-match, can correspond the position of fire hole better, make the fire hole of first air supply mouth top can supply the supplemental air of the same volume.

Preferably, the top surface of the inner ring side wall is gradually inclined downwards from inside to outside. The top surface of the side wall of the inner ring is arranged to be gradually inclined downwards from inside to outside so as to form a structure for guiding the airflow of the secondary air to the position of the fire hole.

Preferably, the overflow cup comprises at least two air supply channels, all the air supply channels are uniformly arranged along the circumferential direction of the overflow cup, and the air supply channels and the liquid containing chamber are arranged at intervals.

Preferably, the overflow cup is detachable relative to the outer ring fire cover and the inner ring fire cover along the vertical direction. The overflow cup is convenient to disassemble and operate along the vertical direction, overflow in the disassembling process cannot be scattered, the structure of the outer ring fire cover and the inner ring fire cover does not need to be changed when the disassembling effect is achieved, and the structure is simple and convenient to set.

Preferably, the stove burner further comprises an upper liquid containing disc and a lower liquid containing disc which are arranged on the outer side of the outer ring fire cover in a surrounding mode, the upper liquid containing disc and the lower liquid containing disc are arranged in a stacking mode in the vertical direction, a gap is formed between the upper liquid containing disc and the lower liquid containing disc, a supplementary channel for supplying air to the secondary air channel is formed in the gap, and the supplementary channel is communicated with the outside. A supplementary channel communicated with the secondary air channel is formed between the lower liquid containing disc and the upper liquid containing disc, and external air is introduced into the secondary air channel and then introduced into the air supply channel of the overflow cup.

Preferably, the height of the bottom surface of the overflow cup is lower than that of the secondary air channel and/or the bottom surface of the lower liquid containing disc.

In this scheme, adopt above-mentioned structural style, set up the bottom surface height of overflow cup to be less than the bottom surface height of secondary air passageway and/or lower flourishing liquid dish, be for when this cooking utensils combustor periphery produces the overflow and flows into secondary air passageway or supplementary passageway in, the difference in height of accessible between the two introduces the overflow in the overflow cup, avoids the overflow jam in secondary air passageway or supplementary passageway, influences the normal inflow of secondary air.

Preferably, the lower liquid containing disc is annularly arranged and connected to the outer side wall of the outer ring fire cover, and the upper liquid containing disc is detachably connected to the lower liquid containing disc. Go up flourishing liquid dish and set to detachable connected mode, make this cooking utensils combustor all dismantle last flourishing liquid dish and overflow cup simultaneously, more conveniently clear up or maintain the inside of cooking utensils combustor.

Preferably, the air supply channel is internally provided with a liquid collecting structure which is used for collecting overflowing liquid flowing into the air supply channel from the first air supply port.

In this scheme, adopt above-mentioned structural style, be provided with the collection liquid structure in with the air feed channel and can collect the overflow that flows into the air feed channel from first air feed mouth to avoid these overflow deposits in other corners in the air feed channel and lead to the clean degree of difficulty to increase of overflow cup.

Preferably, a liquid guide structure communicated to the liquid containing chamber is arranged in the gas supply channel, and the liquid guide structure is used for guiding overflowing liquid collected by the liquid collecting structure to the liquid containing chamber.

In this scheme, adopt above-mentioned structural style, set up the drain structure who communicates to flourishing liquid chamber in air feed channel, with the overflow water conservancy diversion that the collection liquid structure was collected to flourishing liquid chamber, avoid under the too much condition of overflow, the overflow that the collection liquid structure was collected spills over to other places of air feed channel, simultaneously, with these overflow water conservancy diversion to flourishing liquid chamber also conveniently clear up the collection to the overflow.

On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.

The positive progress effects of the invention are as follows:

the cooker burner provided by the invention is convenient to contain the overflowing liquid generated and flowing from the upper part of the cooker burner by arranging the detachable overflowing liquid cup between the outer ring fire cover and the inner ring fire cover, is convenient for a user to detach the overflowing liquid cup for cleaning or maintenance, has a simple structure, low manufacturing cost and convenient use, has the function of providing an air inlet channel for supplementing secondary air, not only realizes the combination of two functions, but also ensures that the liquid containing chamber and the air supply channel with the two functions are mutually separated and not influenced, and simultaneously, the liquid guide structure for communicating the two chambers can guide the overflowing liquid flowing into and collected to the liquid collection structure.

Drawings

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

Fig. 2 is a sectional view of the burner of the cooktop of embodiment 1 of the present invention in a radial direction.

Fig. 3 is a schematic perspective view of the overflow cup of embodiment 1 of the present invention.

Fig. 4 is a schematic perspective view of the overflow cup of embodiment 2 of the present invention.

Fig. 5 is a schematic view of the internal structure of the overflow cup in embodiment 2 of the present invention.

Description of reference numerals:

outer ring fire cover 1

Inner ring fire cover 2

Overflow cup 3

Liquid containing chamber 31

Air supply channel 32

First air supply port 33

Second air supply port 34

Outer ring sidewall 35

Inner ring sidewall 36

Liquid-blocking eaves 37

Liquid collecting eaves 38

Liquid guide port 39

Fire hole 4

Upper liquid containing plate 5

Lower liquid containing disc 6

Secondary air duct 10

Supplementary channel 20

Detailed Description

The present invention will be more fully described by way of a preferred embodiment in conjunction with the accompanying drawings, which are not intended to limit the scope of the invention thereto.

Example 1

As shown in fig. 1 to 3, the present embodiment provides a stove burner, which includes an outer ring fire cover 1 and an inner ring fire cover 2, a secondary air channel 10 is disposed below the outer ring fire cover 1, a detachable overflow cup 3 is disposed between the outer ring fire cover 1 and the inner ring fire cover 2, the overflow cup 3 includes a liquid containing chamber 31 and an air supply channel 32 that are separated from each other, the top of the liquid containing chamber 31 is open, and one side of the air supply channel 32 near the outer ring fire cover 1 is communicated with the secondary air channel 10; the side of the gas supply passage 32 adjacent to the inner ring fire cover 2 has a first gas supply port 33, and the first gas supply port 33 is provided toward a part of the fire holes 4 provided in the inner ring fire cover 2.

The cooker burner of the invention is provided with the detachable overflow cup 3 between the outer ring fire cover 1 and the inner ring fire cover 2, so that the overflow generated at the position above the cooker burner can flow to the position and be conveniently detached and cleaned by a user, in addition, the overflow cup 3 has the function of communicating the secondary air channel 10 and the space near the fire hole 4 of the inner ring fire cover 2 while playing a role of collecting the overflow, so that the overflow cup is used as the overflow cup 3 and is also provided with the air supply channel 32, the liquid containing chamber 31 for collecting the overflow is separated from the air supply channel 32 for transmitting the air, and the overflow chamber and the air supply channel 32 cannot generate mutual influence. In this embodiment, the overflow cup 3 is arranged to be detachable in the vertical direction with respect to the outer ring fire cover 1 and the inner ring fire cover 2. The operation is dismantled comparatively conveniently along vertical direction to overflow cup 3, and the process overflow of demolising can not be unrestrained, simultaneously, and relative detachable overflow cup 3 need not change outer ring fire lid 1 and inner ring fire lid 2's structure for the structure that separates flourishing liquid chamber 31 and air feed channel 32 more conveniently sets up, and the processing degree of difficulty is also lower.

A fire hole 4 is formed at a side wall of the inner ring fire cover 2, and a first air supply port 33 is provided adjacent to the fire hole 4 and below the fire hole 4. The first air supply port 33 is close to the fire hole 4 of the inner ring fire cover 2 in order to guide the secondary air passing through the air supply passage 32 mainly to the fire hole 4 of the inner ring fire cover 2 for supplying air to the fire hole 4 of the inner ring fire cover 2 to improve the combustion effect. Further, by providing the first air supply port 33 below the fire hole 4, it is possible to prevent the fire hole 4 from being shielded by the structure around the first air supply port 33 while ensuring the supply of air.

The overflow cup 3 of the present invention comprises at least two air supply channels 32, all the air supply channels 32 are uniformly arranged along the circumferential direction of the overflow cup 3, and the air supply channels 32 and the liquid containing chamber 31 are arranged at intervals. In this embodiment, as shown in fig. 3, the spill cup 3 is arranged with two air supply channels 32, the two air supply channels 32 being located in the same radial direction of the spill cup 3.

In addition, the air supply channel 32 also has a second air supply port 34, and the second air supply port 34 is formed in a side wall surface of the air supply channel 32 adjacent to the liquid containing chamber 31. The second air supply port 34 is provided to fill the space between the inner ring fire cover 2 and the outer ring fire cover 1 with secondary air as soon as possible, so as to ensure sufficient air around the inner ring fire cover 2, and ensure that all the fire holes 4 on the inner ring fire cover 2 can be in a normal combustion state.

In this embodiment, the second supply port 34 is provided near a top wall of the supply passage 32. The second air supply port 34 is disposed close to the top wall of the air supply passage 32 and is also spaced from the bottom of the liquid containing chamber 31, so that the overflow in the liquid containing chamber 31 is spaced as far as possible from the second air supply port 34, thereby reducing the possibility of the overflow accumulating in the liquid containing chamber 31 and blocking the second air supply port 34.

Preferably, the overflow cup 3 in this embodiment is an annular groove, an outer annular sidewall 35 of the annular groove is attached to the inner side surface of the outer annular fire cover 1, and an inner annular sidewall 36 of the annular groove is attached to the outer side surface of the inner annular fire cover 2. The design of overflow cup 3 is the shape of annular groove and inside and outside laminate respectively in 2 lateral walls of inner ring fire lid and 1 lateral walls of outer ring fire lid, when having guaranteed that overflow cup 3's flourishing liquid chamber 31 has the indent structure, there is not other exposed space between inner ring fire lid 2 and the outer ring fire lid 1 to the overflow that makes cooking utensils combustor top produce can both flow into and be collected in this flourishing liquid chamber 31, is convenient for clear up the cooking utensils combustor.

The air supply channel 32 is formed below the bottom surface of the annular groove, so that the liquid containing chamber 31 and the air supply channel 32 are separated from each other by means of the self structure of the annular groove, a separate side wall structure is not required to form a separated chamber, the separation effect is good, and meanwhile, the manufacturing cost is saved. Further, the first air supply port 33 is formed at the boundary between the top wall of the air supply channel 32 and the inner ring side wall 36 to form an upward flow at the boundary, which can better align with the fire hole 4 of the inner ring fire cover 2 above the boundary to supplement the secondary air by a sufficient amount.

In this embodiment, the opening of the first air supply port 33 is shaped as a long groove, and the curvature of the first air supply port 33 matches the curvature of the inner ring side wall 36. The curvature of the first air supply port 33 matches the curvature of the inner ring side wall 36 to better correspond to the position of the fire holes 4 in the inner ring fire cover 2, so that the fire holes 4 above the first air supply port 33 can be supplied with the same amount of secondary air supplement.

In addition, the top surface of the inner ring side wall 36 is configured to be gradually inclined downwards from inside to outside, so that a structure for guiding the secondary air flow can be formed, the secondary air flows towards the fire hole 4, and meanwhile, the overflow is also guided, so that the overflow flowing to the inner ring fire cover 2 can smoothly flow to the liquid containing chamber 31, and the purpose of collecting the overflow is achieved.

The cooking utensils combustor of this embodiment still includes to encircle and set up in last flourishing liquid dish 5 and the lower flourishing liquid dish 6 in the outer ring fire lid 1 outside, goes up flourishing liquid dish 5 and the lower flourishing liquid dish 6 and sets up along vertical direction range upon range of, goes up to have the space between flourishing liquid dish 5 and the lower flourishing liquid dish 6, and the space forms the supplementary passageway 20 that supplies the air to secondary air passageway 10, and supplementary passageway 20 communicates with the external world. A supplementary channel 20 communicated with the secondary air channel 10 is formed between the lower liquid containing tray 6 and the upper liquid containing tray 5, and outside air is introduced into the secondary air channel 10 and then introduced into an air supply channel 32 of the overflow cup 3.

In addition, lower flourishing liquid dish 6 ring is established and is connected to outer lateral wall department of outer ring fire lid 1, goes up flourishing liquid dish 5 and can dismantle and connect in lower flourishing liquid dish 6, makes this cooking utensils combustor can all dismantle last flourishing liquid dish 5 and overflow cup 3 simultaneously to the overflow in the flourishing liquid chamber 31 of conveniently empting, simultaneously, also more conveniently clears up or maintains the inside dead angle of cooking utensils combustor.

Preferably, the height of the bottom surface of the overflow cup 3 in the embodiment is lower than the height of the secondary air channel 10 and the bottom surface of the lower liquid containing plate 6, and the structural arrangement is that when overflow generated at the periphery of the stove burner flows into the secondary air channel 10 or the supplementary channel 20, the overflow can be introduced into the overflow cup 3 through the height difference between the two, so that the overflow is prevented from being blocked in the secondary air channel 10 or the supplementary channel 20, and the normal inflow of the secondary air is prevented from being influenced.

In the present embodiment, the specific structures of the outer ring fire cover 1 and the inner ring fire cover 2 in fig. 1 and fig. 2 are only used for illustration, so as to facilitate understanding of the position and layout of the overflow cup 3 of the stove burner of the present invention relative to the outer ring fire cover 1 and the inner ring fire cover 2, and are not actual specific structures.

Example 2

The present embodiment further provides a stove burner, which has a structure substantially the same as that of the stove burner provided in embodiment 1, except that in this embodiment, as shown in fig. 4 to 5, a liquid blocking structure is further provided above the second air supply port 34 of the overflow cup 3 of the stove burner, so as to form a barrier above the second air supply port 34 to prevent the second air supply port 34 from being blocked by the overflow liquid flowing from above. In the present embodiment, the liquid blocking structure above the second air supply port 34 is embodied as a liquid blocking brim 37 formed on the outer wall surface of the air supply passage 32, and the liquid blocking brim 37 is disposed above the second air supply port 34 and horizontally protrudes to block the overflow from flowing into the second air supply port 34 from above.

In addition, the air supply channel 32 of the overflow cup 3 is also provided with a liquid collecting structure for collecting the overflow liquid flowing into the air supply channel 32 from the first air supply port 33, so that the overflow liquid can be prevented from depositing at other corners in the air supply channel 32 to cause difficulty in cleaning the overflow cup 3. In the present embodiment, as shown in fig. 5, the liquid collecting structure is provided as a liquid collecting ledge 38 formed on the inner wall of the air supply channel 32, and the overflow liquid flowing from the first air supply port 33 is collected in the liquid collecting space formed by the liquid collecting ledge 38 and the inner wall due to the relationship of the flowing direction, so as to prevent the overflow liquid from overflowing to other corners in the air supply channel 32.

Preferably, the air supply channel 32 is further provided with a liquid guide structure communicated to the liquid containing chamber 31, the liquid guide structure is used for guiding the overflowing liquid collected by the liquid collecting structure into the liquid containing chamber 31, so that the overflowing liquid collected by the liquid collecting structure is prevented from overflowing to other places of the air supply channel 32 under the condition of excessive overflowing liquid, and meanwhile, the overflowing liquid is guided to the liquid containing chamber 31 to be convenient to clean and collect. In the present embodiment, as shown in fig. 4, the liquid guiding structure is specifically a liquid guiding port 39, the liquid guiding port 39 is disposed at two side positions of the liquid collecting eaves 38, and an opening opened outward is formed on the side wall surface of the air supply channel 32, so that the overflow is drained into the liquid containing chamber 31 by the gravity of the overflow through a slope structure extending from the liquid collecting eaves 38 to the liquid guiding port 39 (see the direction indicated by the arrow in fig. 4, which shows the flowing direction of the overflow in the present embodiment flowing from the liquid collecting eaves 38 to the liquid containing chamber 31 through the liquid guiding port 39).

While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims

1. A stove burner comprises an outer ring fire cover and an inner ring fire cover, wherein a secondary air channel is arranged below the outer ring fire cover, and the stove burner is characterized in that a detachable overflow cup is arranged between the outer ring fire cover and the inner ring fire cover, the overflow cup is in the shape of an annular groove, the inner side and the outer side of the overflow cup are respectively attached to the side wall of the inner ring fire cover and the side wall of the outer ring fire cover, the overflow cup comprises a liquid containing chamber and an air supply channel which are mutually separated, the top of the liquid containing chamber is opened, and one side of the air supply channel, which is close to the outer ring fire cover, is communicated with the secondary air channel;

2. The cooktop burner of claim 1, wherein the fire hole is formed in a side wall of the inner ring fire cover, and the first gas supply port is disposed adjacent to and below the fire hole.

3. The cooktop burner of claim 1, wherein the gas supply channel further has a second gas supply port formed in a side wall surface of the gas supply channel adjacent to the liquid containing chamber.

4. Stove burner as claimed in claim 3, characterized in that the second gas supply opening is arranged close to a top wall of the gas supply channel.

5. The cooktop burner of claim 3, wherein a liquid barrier is provided above the second gas supply port.

6. The cooking utensils burner of claim 1 wherein the overflow cup is an annular groove, the outer annular sidewall of the annular groove is attached to the inner side of the outer annular fire cover, and the inner annular sidewall of the annular groove is attached to the outer side of the inner annular fire cover.

7. Hob burner as claimed in claim 6, characterized in that the gas supply channel is formed below a groove bottom surface of the annular groove.

8. The cooktop burner of claim 6, wherein the first gas feed port is formed at an intersection of a top wall of the gas feed channel and the inner ring side wall.

9. The cooktop burner of claim 8, wherein the first feed port opening is elongated slot shaped, the first feed port arc matching the arc of the inner ring sidewall.

10. The cooktop burner of claim 6, wherein the top surface of the inner ring sidewall is gradually sloped downward from inside to outside.

11. The cooktop burner of claim 1, wherein the spill cup comprises at least two of the gas supply channels, all of the gas supply channels being evenly arranged along a circumferential direction of the spill cup, the gas supply channels being spaced apart from the liquid holding chamber.

12. The cooktop burner of any of claims 1-11, wherein the spill cup is removable in a vertical direction with respect to the outer ring fire cap and the inner ring fire cap.

13. The cooking utensils burner of any one of the claims 1-11 further includes an upper liquid tray and a lower liquid tray surrounding the outer side of the outer ring fire cover, the upper liquid tray and the lower liquid tray are stacked in a vertical direction, a gap is formed between the upper liquid tray and the lower liquid tray, the gap forms a supplementary channel for supplying air to the secondary air channel, and the supplementary channel is communicated with the outside.

14. The cooktop burner of claim 13, wherein a bottom surface of the spill cup is lower than a bottom surface of the secondary air channel and/or the lower drip tray.

15. The cooktop burner of claim 13, wherein the lower drip pan is annularly disposed and connected to an outer sidewall of the outer ring fire cover, and the upper drip pan is detachably connected to the lower drip pan.

16. The cooktop burner of any one of claims 1-11, wherein the gas feed channel has a liquid collection structure therein for collecting a liquid overflow flowing from the first gas feed port into the gas feed channel.

17. The cooktop burner of claim 16, wherein the gas supply channel has a liquid guide structure therein communicating with the liquid containing chamber, the liquid guide structure being configured to guide the overflowing liquid collected by the liquid collecting structure to the liquid containing chamber.