CN112856424B

CN112856424B - Stove burner

Info

Publication number: CN112856424B
Application number: CN202110023356.7A
Authority: CN
Inventors: 张帅; 徐强
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2022-02-01
Anticipated expiration: 2041-01-08
Also published as: CN112856424A

Abstract

The invention discloses a stove burner which comprises an inner ring fire cover, an outer ring fire cover, a gas mixing chamber and an adjusting piece, wherein the inner ring fire cover and the outer ring fire cover are respectively provided with an inner ring fire hole channel and an outer ring fire hole channel which extend from the gas mixing chamber to the surface, the adjusting piece is provided with an inner ring fire hole which can be communicated with the inner ring fire hole channel and an outer ring fire hole which can be communicated with the outer ring fire hole channel, the adjusting piece can move relative to the inner ring fire cover, and when the adjusting piece moves relative to the inner ring fire cover, the area A of a communicating opening of the inner ring fire hole channel communicated to the inner ring fire hole is reduced along with the increase of the area B of a communicating opening of the outer ring fire hole channel communicated to the outer ring fire hole. The cooker burner provided by the invention is communicated with the inner ring fire cover and the outer ring fire cover through the adjusting piece, and the communication area between the cooker burner and the inner ring fire cover and the outer ring fire cover are changed in the moving process, so that the distribution of combustion load is changed, the heating capacities of different positions on the fire covers are changed, the cooker burner is communicated to one gas mixing chamber, the heating capacity of a cooker is unchanged, and the improvement of combustion efficiency and the combustion stability are facilitated.

Description

Stove burner

Technical Field

The invention relates to a stove burner.

Background

Common cooking utensils combustor mainly comprises drawing penetrating pipe, base, gas mixing chamber and interior outer ring fire lid, because the structure of cooking utensils fire lid has already been moulded when the preparation, and its fire hole position and fire hole size have all been fixed, consequently, to the pan of equidimension not, the fire hole on the fire lid all is unadjustable to the combustion position and the burning direction of pan bottom, can only adjust the flame burning load in fire hole and change the heating capacity to the pan. And the flame burning load of all the fire holes is integrally adjusted, so that the burning efficiency of the cookware is inevitably reduced.

Disclosure of Invention

The invention aims to solve the technical problem of providing a cooker burner in order to overcome the defect that the combustion state of the burner is not adjustable for different cookers due to the fact that the structure of a cooker in the prior art is fixed.

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

a cooker burner comprises an inner ring fire cover, an outer ring fire cover and a gas mixing chamber, and is characterized in that the inner ring fire cover is provided with an inner ring fire hole channel extending from the gas mixing chamber to the surface of the inner ring fire cover, the outer ring fire cover is provided with an outer ring fire hole channel extending from the gas mixing chamber to the surface of the outer ring fire cover,

the stove burner also comprises an adjusting piece arranged on the surface of the stove burner, an inner ring fire hole capable of being communicated with the inner ring fire hole channel and an outer ring fire hole capable of being communicated with the outer ring fire hole channel are formed in the adjusting piece, the adjusting piece can move relative to the inner ring fire cover, and when the adjusting piece moves relative to the inner ring fire cover, the area A of a communication port, communicated to the inner ring fire hole, of the inner ring fire hole channel is reduced along with the increase of the area B of a communication port, communicated to the outer ring fire hole, of the outer ring fire hole channel.

The cooker burner is characterized in that an adjusting piece is arranged on the surface of the cooker burner, fire holes are arranged on the adjusting piece, so that the fire holes on the adjusting piece can correspond to and are communicated with fire hole channels on an inner ring fire cover and an outer ring fire cover, and the adjusting piece can simultaneously change the area communicated with the fire hole channels on the inner ring fire cover and the outer ring fire cover through the displacement of the fire holes relative to the fire hole channels in the process of moving relative to the fire cover structure, thereby realizing the distribution of the combustion load of the inner ring fire holes and the outer ring fire holes on the adjusting piece, further being capable of pertinently changing the heating capacity of the fire holes at different positions on the fire cover, further being capable of meeting the requirements of pertinently heating cookers with different sizes or shapes or needing to change the heating position of a cooker bottom, on the basis, the inner ring and the outer ring of the cooker are communicated to a gas mixing chamber, the total combustion load is unchanged, namely realizing the unchanged heating capacity of the whole cooker burner, only the heating position is changed, and under the same stove combustion load, the improvement of the combustion efficiency is facilitated, and the combustion stability at each fire hole is facilitated.

Preferably, the communication port area B reaches a maximum when the communication port area a decreases to zero; when the communication port area B decreases to zero, the communication port area a reaches a maximum. The area A of the communication opening is increased along with the reduction of the area B of the communication opening, and when one of the areas is adjusted to be the maximum, the other area is just completely closed, namely, the firepower can be intensively combusted to one of the positions of the inner ring or the outer ring, the limit effect of maximum and minimum firepower is achieved, and the firepower adjustment range is improved as far as possible.

Preferably, the number of the inner ring fire holes and the number of the outer ring fire holes are respectively equal to the number of the inner ring fire hole channels and the number of the outer ring fire hole channels, and when the area a of the communication port is the largest, all the inner ring fire holes are overlapped with the outlets of the inner ring fire hole channels; when the area B of the communication opening is the largest, all the outer ring fire holes are coincided with the outlets of the outer ring fire hole channels. The fire holes correspond to the fire hole channels one by one and can be overlapped, so that all the channels are fully utilized to be matched with the fire holes, and unnecessary arrangement and waste in structure can not be caused.

Preferably, the adjusting piece is arranged between the inner ring fire cover and the outer ring fire cover, and the adjusting piece can rotate relative to the inner ring fire cover along the circumferential direction of the inner ring fire cover. The adjusting part realizes relative movement through relative rotatable modes between outer ring fire cover and inner ring fire cover, and the convenient regulation of rotation mode, the cooperation effect is also good.

Preferably, the outlet of the outer ring fire hole channel is located on the inner side wall of the outer ring fire cover, the outlet of the inner ring fire hole channel is located on the outer side wall of the inner ring fire cover, the outer retaining wall and the inner retaining wall of the adjusting piece are respectively abutted against the inner side wall of the outer ring fire cover and the outer side wall of the inner ring fire cover, and the outer ring fire hole and the inner ring fire hole are respectively located on the outer retaining wall and the inner retaining wall. Fire hole passageway and fire hole all set up on the lateral wall, make the rotation process of regulating part can not influence the fire lid structure, and the passageway lateral wall pastes mutually and realizes that the switching cooperation degree to the fire hole passageway is higher, and it is more convenient to adjust the operation, and in addition, the regulating part is located the fire and covers the original structure that the upper surface can exert an influence to placing and fire lid of pan easily.

Preferably, the outlets of the outer ring fire hole channels are uniformly distributed on the inner side wall of the outer ring fire cover along the circumferential direction, and the outlets of the inner ring fire hole channels are uniformly distributed on the outer side wall of the inner ring fire cover along the circumferential direction. The export of outer loop fire hole passageway and inner ring fire hole passageway all sets up to hoop evenly distributed, and the fire hole of wall, outer fender wall in the cooperation regulating part easily realizes the switching in the time of all fire hole passageways.

Preferably, an inner ring gas chamber is arranged inside the inner ring fire cover, all the inner ring fire hole channels are communicated to the inner ring gas chamber, a plurality of gas inlets communicated with the gas mixing chamber and the inner ring gas chamber are further arranged on the outer side wall of the inner ring fire cover, a plurality of gas openings are arranged on the inner blocking wall, the gas openings can be overlapped with at least one part of the gas inlets, and the overlapping area of the gas openings and the gas inlets is reduced along with the reduction of the area A of the communication port.

In this scheme, when the inner ring fire hole on the regulating part changes the intercommunication mouth area of inner ring gas passageway, the coincidence area of gas opening and air inlet on the interior fender wall of regulating part also changes, inner ring fire hole has been lacked promptly, the gas of advancing has also lacked, avoid the fire hole little, too much gas still flows in, and causes the influence to the flow of gas and the stability of fire hole department burning, perhaps the fire hole increase, the unable abundant benefit of gas causes the insufficient phenomenon of fire hole department burning.

Preferably, when the communication port area a is reduced to zero, the overlapping area of the gas opening and the gas inlet is also reduced to zero; when the area A of the communication opening is the largest, the overlapping area of the gas opening and the gas inlet is also the largest. When the inner ring fire hole all not communicates inner ring gas passageway, the gas no longer gets into inner ring gas chamber, avoids the gas still to flow in the inner ring fire lid continuously when the inner ring fire hole is opened temporarily, causes the combustion gas to flow and the vortex appears in the fire lid, influences the normal burning in other part fire holes.

Preferably, the adjusting part is arranged between the inner ring fire cover and the outer ring fire cover, a liquid containing groove which is inwards concave towards the inner part of the stove burner is formed in the middle of the adjusting part, and the height of the bottom of the liquid containing groove along the vertical direction is lower than the height of the inner ring fire hole and the height of the outer ring fire hole. The adjusting piece is positioned between the inner ring and the outer ring, and the concave liquid containing groove is formed in the middle of the adjusting piece, so that overflowing liquid above the stove is prevented from flowing into the stove burner to cause blockage, the use is prevented from being influenced, and the inside of the stove burner is protected from being influenced by external overflowing liquid, namely dust pollution.

Preferably, the outer side wall of the inner ring fire cover is provided with an annular boss extending towards the direction of the outer ring fire cover, and the annular boss is used for supporting the adjusting piece along the axial direction of the inner ring fire cover. The adjusting piece is supported through the structure of the annular boss, and the adjusting piece is convenient to fix relative to the inner ring fire cover and the outer ring fire cover.

Preferably, the outer ring fire cover is further provided with a plurality of outer ring main fire holes, the outer ring main fire holes are communicated with the gas mixing chamber, and/or the inner ring fire cover is further provided with a plurality of inner ring main fire holes, and the inner ring main fire holes are communicated with the gas mixing chamber. The fire hole on the regulating part is switched and is only covered a part gas channel to two fires, carries out the change to a certain extent, and can not make the burning load of whole fire lid realize changing through the regulating part, realizes the fine setting promptly, causes the influence to the great burning load of cooking utensils combustor original like this.

Preferably, the outer ring fire cover further comprises a plurality of outer ring main fire holes and an outer ring gas mixing chamber, the outer ring main fire holes are communicated with the outer ring gas mixing chamber, and/or the inner ring fire cover further comprises a plurality of inner ring main fire holes and an inner ring gas mixing chamber, and the inner ring main fire holes are communicated with the inner ring gas mixing chamber. The main fire hole of the inner ring and the main fire hole of the outer ring are communicated with the other gas mixing chamber, and the main fire hole and the fire hole cannot be mutually influenced, so that the cooker burner can keep a stable combustion basic state.

Preferably, the adjusting piece is detachably connected with the inner ring fire cover. The mode of can dismantling the connection conveniently overhauls the change to conveniently clear up the overflow under the condition that has the flourishing cistern.

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 stove burner provided by the invention has the advantages that the adjusting piece is arranged on the surface of the stove burner, the fire holes are arranged on the adjusting piece, so that the fire holes on the adjusting piece can correspond to and are communicated with the fire hole channels on the inner ring fire cover and the outer ring fire cover, in addition, the adjusting piece can simultaneously change the area communicated with the fire hole channels on the inner ring fire cover and the outer ring fire cover through the displacement of the fire holes relative to the fire hole channels in the process of moving relative to the fire cover structure, the distribution of the combustion load of the inner ring fire holes and the outer ring fire holes on the adjusting piece is realized, further, the heating capacity of the fire holes at different positions on the fire cover can be pertinently changed, the pot with different sizes or shapes can be pertinently heated, or the heating position of the pot bottom needs to be changed, on the basis, one gas mixing chamber is communicated with the inner ring and the outer ring, the total combustion load is unchanged, the heating capacity of the cooker with the integral burner of the cooker is unchanged, only the heating position is changed, the combustion efficiency is improved under the same combustion load of the cooker, and the combustion stability of each fire hole is improved.

Drawings

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

Fig. 2 is a schematic view of the internal structure of the burner of the cooking appliance in the preferred embodiment of the present invention.

Fig. 3 is an internal cut-away schematic view (one) of the cooker burner of the preferred embodiment of the invention.

Fig. 4 is a schematic view (ii) of the inner section of the burner of the cooking range according to the preferred embodiment of the invention.

Fig. 5 is a schematic structural diagram of an adjusting member according to a preferred embodiment of the invention.

Description of reference numerals:

inner ring fire cover 1

Inner ring fire hole channel 11

Inner ring gas chamber 12

Air inlet 13

Outer ring fire cover 2

Outer ring fire hole channel 21

Outer ring main fire hole 22

Gas mixing chamber 3

Adjusting part 4

Inner ring fire hole 41

Outer ring fire hole 42

Inner retaining wall 43

Outer retaining wall 44

Gas opening 45

Liquid tank 46

Gripping lug 47

Annular boss 5

Detailed Description

The present invention will be more clearly and completely described below by way of a preferred embodiment in conjunction with the accompanying drawings, without thereby limiting the scope of the invention to the described embodiment.

As shown in fig. 1 to 5, the present embodiment provides a stove burner, which includes an inner ring fire cover 1, an outer ring fire cover 2 and a gas mixing chamber 3, wherein the inner ring fire cover 1 has an inner ring fire hole channel 11 extending from the gas mixing chamber 3 to the surface of the inner ring fire cover 1, and the outer ring fire cover 2 has an outer ring fire hole channel 21 extending from the gas mixing chamber 3 to the surface of the outer ring fire cover 2. The stove burner further comprises an adjusting piece 4 arranged on the surface of the stove burner, the adjusting piece 4 is provided with an inner ring fire hole 41 capable of being communicated with the inner ring fire hole channel 11 and an outer ring fire hole 42 capable of being communicated with the outer ring fire hole channel 21, the adjusting piece 4 can move relative to the inner ring fire cover 1, when the adjusting piece 4 moves relative to the inner ring fire cover 1, the area A of a communication port of the inner ring fire hole channel 11 communicated to the inner ring fire hole 41 is reduced along with the increase of the area B of the communication port of the outer ring fire hole channel 21 communicated to the outer ring fire hole 42, or the area A of the communication port of the inner ring fire hole channel 11 communicated to the inner ring fire hole 41 is increased along with the decrease of the area B of the communication port of the outer ring fire hole channel 21 communicated to the outer ring fire hole 42.

The cooker burner is provided with an adjusting part 4 on the surface of the cooker burner, and a fire hole structure is arranged on the adjusting part 4, so that the adjusting part 4 can correspond to and be communicated with fire hole channels on an inner ring fire cover 1 and an outer ring fire cover 2, and in the process of moving relative to the fire covers, the adjusting part 4 can realize the distribution of the combustion load of the inner ring fire cover and the outer ring fire cover by changing the communication areas with the fire hole channels on the inner ring fire cover 1 and the outer ring fire cover 2, thereby being capable of pertinently changing the heating capacity of the fire holes at different positions on the fire covers, being capable of meeting the requirement of pertinently heating cookers with different sizes or shapes, or needing to change the heating position of the cooker bottom, on the basis, the inner ring and the outer ring are communicated to a gas mixing chamber 3, the total combustion load is unchanged, namely, the heating capacity of the cooker burner is unchanged, only the heating position is changed, and under the same stove combustion load, the improvement of the combustion efficiency is facilitated, and the combustion stability at each fire hole is facilitated.

And, referring to fig. 3, it shows the internal structure of the cooktop burner when the communication port area B is reduced to zero, at which time the communication port area a reaches the maximum; referring to fig. 4, it shows the internal structure of the stove burner when the communication port area a is reduced to zero, at this time, the communication port area B is maximized, i.e. two communication ports, when one of them is adjusted to be maximized, the other is just completely closed, so that the firepower can be intensively combusted to one of the positions of the inner ring or the outer ring, the limit effect of maximum and minimum firepower is achieved, and the firepower adjustment range is increased as much as possible. Further, the number of the inner ring fire holes 41 and the number of the outer ring fire holes 42 are respectively equal to the number of the inner ring fire hole channels 11 and the number of the outer ring fire hole channels 21, and when the area a of the communication opening is the largest, all the inner ring fire holes 41 coincide with the outlets of the inner ring fire hole channels 11; when the communication port area B is the largest, all the outer ring fire holes 42 coincide with the outlets of the outer ring fire hole passages 21. The fire holes correspond to the fire hole channels one by one and can be overlapped, so that all the channels are fully utilized to be matched with the fire holes, and unnecessary arrangement and waste in structure can not be caused.

In the present embodiment, the adjusting member 4 is disposed between the inner ring fire cover 1 and the outer ring fire cover 2, and is rotatable with respect to the inner ring fire cover 1 in the circumferential direction of the inner ring fire cover 1. The adjusting part 4 realizes relative movement through relative rotatable modes between the outer ring fire cover 2 and the inner ring fire cover 1, the rotation modes are convenient to adjust, and the matching effect is good.

Have the annular boss 5 that the direction of covering 2 extends towards outer ring fire on the lateral wall of inner ring fire lid 1, annular boss 5 is used for supporting regulating part 4 along the axial direction of inner ring fire lid 1, and the axial is fixed for inner ring fire lid realization to regulating part 4 of being convenient for.

On this basis, the export of outer ring fire hole passageway 21 is located the inside wall of outer ring fire lid 2, and the export of inner ring fire hole passageway 11 is located the lateral wall of inner ring fire lid 1, and outer wall 44 and the interior wall 43 of fender of regulating part 4 support respectively and lean on in the inside wall of outer ring fire lid 2 and the lateral wall of inner ring fire lid 1, and outer ring fire hole 42 and inner ring fire hole 41 are located respectively on outer wall 44 and the interior wall 43 that keeps off. Fire hole passageway and fire hole all set up on the lateral wall, make the rotation process of regulating part 4 can not influence the fire lid structure, and the passageway lateral wall pastes mutually and realizes that the switching cooperation degree to the fire hole passageway is higher, and it is more convenient to adjust the operation, and in addition, 4 parts of regulating part are located the fire and cover the original structure that the upper surface can exert an influence to placing and fire lid of pan easily.

Further, the outlet of the outer ring fire hole channel 21 and the outlet of the inner ring fire hole channel 11 are respectively and uniformly arranged on the inner side wall of the outer ring fire cover 2 and the outer side wall of the inner ring fire cover 1 along the annular direction. The fire holes of the inner retaining wall 43 and the outer retaining wall 44 of the adjusting piece 4 are matched in a circumferential and uniformly distributed mode, so that the fire hole channels can be opened and closed simultaneously.

In addition, a liquid containing groove 46 which is concave towards the inner part of the stove burner is formed in the middle part of the adjusting piece 4, and the height of the bottom of the liquid containing groove 46 along the vertical direction is lower than the height of the inner ring fire hole 41 and the outer ring fire hole 42. The adjusting piece 4 is positioned between the inner ring and the outer ring, and the concave liquid containing groove 46 is formed in the middle of the adjusting piece, so that the overflowing liquid above the stove is prevented from flowing into the stove burner to cause blockage, the use is influenced, and the inside of the stove burner is protected from being polluted by the overflowing liquid outside, namely dust.

The inside of inner ring fire lid 1 has inner ring gas chamber 12, and all inner ring fire hole passageways 11 communicate to inner ring gas chamber 12, still have a plurality of air inlets 13 of intercommunication gas-mixing chamber 3 and inner ring gas chamber 12 on the lateral wall of inner ring fire lid 1, have a plurality of gas openings 45 on the interior fender wall 43, gas opening 45 can with the at least partly coincidence of air inlet 13 to the coincident area of gas opening 45 and air inlet 13 reduces along with the reduction of intercommunication mouth area A.

In this scheme, when inner ring fire hole 41 on regulating part 4 changes the intercommunication mouth area of inner ring gas passageway, gas opening 45 on the interior wall 43 that keeps off of regulating part 4 also changes with the coincidence area of air inlet 13, inner ring fire hole 41 has lacked promptly, the gas of advancing has also lacked, it is little to avoid the fire hole, too much gas still flows in, and cause the influence to the flow of gas and the stability of the burning of fire hole department, perhaps the fire hole increase, the unable abundant benefit of gas makes the insufficient phenomenon of the burning of fire hole department.

When the communication port area a is reduced to zero, the overlapping area of the gas opening 45 and the gas inlet 13 is also reduced to zero; when the communication port area a reaches the maximum, the overlapping area of the gas opening 45 and the intake port 13 also reaches the maximum. When the inner ring fire hole 41 is not communicated with the inner ring gas channel, the gas does not enter the inner ring gas chamber 12 any more, and the gas is prevented from continuously flowing into the inner ring fire cover 1 when the inner ring fire hole 41 is not opened temporarily, so that the gas flows in the fire cover to generate turbulence, and the normal combustion of other part fire holes is influenced.

In this embodiment, still be provided with the main fire hole 22 of a plurality of outer rings on the outer ring fire lid 2, these main fire holes 22 of a few outer rings also communicate in gas mixing chamber 3, and the fire hole on regulating part 4 switches only to a part gas channel of two fire lids promptly, carries out the change to a certain extent, and can not make the combustion load of whole fire lid realize changing through regulating part 4, realizes the fine setting promptly, causes the influence to the great combustion load of cooking utensils combustor original like this. In other embodiments, a plurality of inner ring main fire holes may also be provided on the inner ring fire cover 1, so as to communicate with the gas mixing chamber 3.

In other embodiments, the outer ring main fire hole 22 of the outer ring fire cover 2 is communicated with an outer ring gas mixing chamber, or the inner ring main fire hole of the inner ring fire cover 1 is communicated with an inner ring gas mixing chamber 3, that is, the main fire hole and the fire hole are not influenced mutually, and the gas supply systems of the main fire hole and the fire hole are independent, so that the cooker burner is in a stable combustion basic state.

In addition, in this embodiment, the adjusting part 4 is detachably connected with the inner ring fire cover 1, so that the maintenance and the replacement are convenient, and the overflowing liquid is convenient to clean under the condition of having the liquid containing groove 46. Preferably, since the gas burner is arranged between the inner ring fire cover 1 and the outer ring fire cover 2 along the circumferential direction of the gas burner in the present embodiment, the gas burner can be taken out relative to the inner ring fire cover 1 and the outer ring fire cover 2 along the axial direction of the gas burner. Preferably, two grabbing convex parts 47 can be arranged on the adjusting part 4, and a user can rotate the adjusting part 4 by applying tangential acting force to the grabbing convex parts 47 or apply extracted acting force to remove the adjusting part 4, so that the operation is simple, convenient and quick.

Of course, in other embodiments, the grabbing protrusion 47 may not be disposed on the adjusting member 4, but a linkage mechanism connected to the adjusting member 4 is additionally disposed to drive the adjusting member 4 to rotate relative to the burner of the cooker, so as to avoid direct contact between the user and the adjusting member. Such as: the user accessible rotation sets up modes such as the knob on the cooking utensils mesa, controls the link gear and realizes rotating in order to drive the regulating part, makes the user not contact the regulating part just can realize the distribution of burning load on each fire hole. The specific scheme of driving the linkage mechanism to drive the adjusting member to rotate can refer to the specific structure of the linkage mechanism in the prior art, and is not described in detail herein.

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 cooker burner comprises an inner ring fire cover, an outer ring fire cover and a gas mixing chamber, and is characterized in that the inner ring fire cover is provided with an inner ring fire hole channel extending from the gas mixing chamber to the surface of the inner ring fire cover, the outer ring fire cover is provided with an outer ring fire hole channel extending from the gas mixing chamber to the surface of the outer ring fire cover,

2. The cooktop burner of claim 1, wherein the communication port area B reaches a maximum when the communication port area a decreases to zero; when the communication port area B decreases to zero, the communication port area a reaches a maximum.

3. The cooktop burner of claim 2, wherein the number of the inner ring fire holes and the outer ring fire holes is equal to the number of the inner ring fire hole passages and the number of the outer ring fire hole passages, respectively, and when the communication port area a is the largest, all the inner ring fire holes coincide with outlets of the inner ring fire hole passages; when the area B of the communication opening is the largest, all the outer ring fire holes are coincided with the outlets of the outer ring fire hole channels.

4. The cooktop burner of claim 1, wherein the adjustment member is disposed between the inner ring fire cover and the outer ring fire cover, the adjustment member being rotatable relative to the inner ring fire cover in a circumferential direction of the inner ring fire cover.

5. The cooktop burner of claim 4, wherein the outlet of the outer ring fire hole channel is located on the inner side wall of the outer ring fire cover, the outlet of the inner ring fire hole channel is located on the outer side wall of the inner ring fire cover, the outer baffle wall and the inner baffle wall of the adjusting piece respectively abut against the inner side wall of the outer ring fire cover and the outer side wall of the inner ring fire cover, and the outer ring fire hole and the inner ring fire hole are respectively located on the outer baffle wall and the inner baffle wall.

6. The cooking utensils burner of claim 5 wherein the outlets of the outer ring fire hole channel are evenly arranged on the inner side wall of the outer ring fire cover along the circumferential direction, and the outlets of the inner ring fire hole channel are evenly arranged on the outer side wall of the inner ring fire cover along the circumferential direction.

7. The cooking range burner of claim 5, wherein the inner ring fire cover is internally provided with an inner ring gas chamber, all the inner ring fire hole channels are communicated to the inner ring gas chamber, the outer side wall of the inner ring fire cover is also provided with a plurality of gas inlets communicated with the gas mixing chamber and the inner ring gas chamber, the inner baffle wall is provided with a plurality of gas openings, the gas openings can be coincided with at least one part of the gas inlets, and the coincided area of the gas openings and the gas inlets is reduced along with the reduction of the area A of the communication ports.

8. The cooktop burner of claim 7, wherein when the communication port area A is reduced to zero, the overlapping area of the gas opening and the gas inlet is also reduced to zero; when the area A of the communication opening is the largest, the overlapping area of the gas opening and the gas inlet is also the largest.

9. The cooking utensils burner of claim 4, characterized in that the adjusting piece is arranged between the inner ring fire cover and the outer ring fire cover, a liquid containing groove inwards towards the inside of the cooking utensils burner is formed in the middle of the adjusting piece, and the height of the bottom of the liquid containing groove along the vertical direction is lower than the height of the inner ring fire hole and the outer ring fire hole.

10. The cooktop burner of claim 4, wherein the outer side wall of the inner ring fire cover has an annular boss extending toward the outer ring fire cover, the annular boss being used for supporting the adjusting piece in the axial direction of the inner ring fire cover.

11. The cooking utensils burner of claim 1, characterized in that the outer ring fire cover is also provided with a plurality of outer ring main fire holes, the outer ring main fire holes are communicated with the gas mixing chamber, and/or the inner ring fire cover is also provided with a plurality of inner ring main fire holes, the inner ring main fire holes are communicated with the gas mixing chamber.

12. The cooking utensils burner of claim 1 wherein the outer ring fire cover further includes a plurality of outer ring main fire holes and outer ring gas mixing chambers, the outer ring main fire holes are communicated with the outer ring gas mixing chambers, and/or the inner ring fire cover further includes a plurality of inner ring main fire holes and inner ring gas mixing chambers, the inner ring main fire holes are communicated with the inner ring gas mixing chambers.

13. The cooktop burner of claim 1, wherein the adjuster is removably coupled to the inner ring burner cap.