CN213656741U - Fire lid subassembly, combustor and cooking utensils - Google Patents

Abstract

The utility model provides a fire lid subassembly, combustor and cooking utensils. The fire lid assembly includes: the fire cover comprises a fire cover main body, the fire cover main body comprises a central part and an outer ring part, an axially through fire cover central hole is formed in the central part, a fire cover outer ring gas mixing groove with a downward opening is formed in the lower surface of the outer ring part, the outer ring part is arranged on the periphery of the central part, and an outer ring fire hole communicated with the fire cover outer ring gas mixing groove is formed in the outer ring part; and the central cover can be buckled to the top of the central part, the central cover and the side wall of the central hole of the fire cover surround to form a central air mixing cavity with a downward opening, and the central cover is provided with a central fire hole communicated with the central air mixing cavity. The utility model discloses an in the fire lid subassembly, the distributor only need structurally cooperate each other with the fire lid main part, need not structurally cooperate each other with the center lid, consequently from the machining precision, can reduce the requirement to the machining precision of distributor. Therefore, the manufacturing difficulty can be reduced, the cost is reduced, and the yield is improved.

Description

Fire lid subassembly, combustor and cooking utensils

Technical Field

The utility model relates to a kitchen utensil's technical field specifically relates to a fire lid subassembly, combustor and cooking utensils.

Background

The kitchen range becomes a necessary product in daily life, and the types of the fire cover components arranged on the kitchen range are also various.

Generally, a burner comprises a fire cover assembly, a fire distributor and a burner head, wherein the fire cover assembly is divided into a large fire cover and a small fire cover. Big fire lid and little fire lid all lock on distributor, and big fire lid forms outer loop gas mixing chamber with distributor lock, and little fire lid forms inner ring gas mixing chamber with distributor lock. The distributor is arranged on the furnace end, so that the outer ring gas mixing cavity and the inner ring gas mixing cavity are respectively communicated with two independent injection pipes on the furnace end.

Because this kind of body structure of big fire lid and little fire lid leads to the distributor to need to be connected with big fire lid, little fire lid and furnace end respectively, so the processing requirement to the distributor is higher, again because its shape is complicated, in manufacturing and processing process, the degree of difficulty is great, is unfavorable for one shot forming, leads to the yields to reduce.

SUMMERY OF THE UTILITY MODEL

In order to at least partially solve the problems occurring in the prior art, according to an aspect of the present invention, there is provided a fire lid assembly, comprising: the fire cover comprises a fire cover main body, the fire cover main body comprises a central part and an outer ring part, an axially through fire cover central hole is formed in the central part, a fire cover outer ring gas mixing groove with a downward opening is formed in the lower surface of the outer ring part, the outer ring part is arranged on the periphery of the central part, and an outer ring fire hole communicated with the fire cover outer ring gas mixing groove is formed in the outer ring part; and the central cover can be buckled to the top of the central part, the central cover and the side wall of the central hole of the fire cover surround to form a central air mixing cavity with a downward opening, and the central cover is provided with a central fire hole communicated with the central air mixing cavity.

The utility model discloses an in the fire lid subassembly, central lid lock forms central gas mixing chamber in the fire lid main part, and to outer loop gas mixing chamber, in use can be covered outer loop gas mixing groove and distributor cooperation by the fire in the fire lid main part and form. That is, the fire cover assembly and the distributor only need to be matched to form the outer ring air mixing cavity, namely, the distributor only needs to be structurally matched with the fire cover main body and the central cover, so that the requirement on the machining precision of the distributor can be reduced in terms of machining precision. Therefore, the manufacturing difficulty can be reduced, the cost is reduced, and the yield is improved.

Illustratively, the fire lid main body further includes a plurality of connection ribs, one ends of the plurality of connection ribs being connected to the central portion and the other ends of the plurality of connection ribs being connected to the outer ring portion, adjacent connection ribs being arranged at intervals along a circumferential direction of the fire lid assembly to form first openings between the adjacent connection ribs.

The connecting ribs may fix the central portion and the outer ring portion. The connection rib interval arrangement, on the one hand can alleviate the weight of fire lid main part, reduces the use of material, reduce cost, and on the other hand, the first opening that forms between the connection rib can also regard as the secondary air passageway, and to the burning make-up air on the fire lid subassembly, help its abundant burning, improve the combustion efficiency of gas.

Illustratively, the central fire hole is located on the top surface of the central cap and extends in the axial direction of the fire cap assembly.

Thus, the gas discharged from the central fire hole is sprayed vertically upwards. Compared with the central fire hole arranged around the central cover, the gas-fired boiler has the advantages that the gas is discharged more smoothly, the gas outlet rate is increased, the flame can vertically act on the bottom of a boiler arranged on the central fire hole, and the heat efficiency is improved.

Illustratively, the center cap is an infrared burner cap.

When the fire cover assembly works, because the gas and the air are completely premixed, the gas combustion can be fully ensured, the pollutant emission is reduced, the infrared rays generated during the gas combustion have stronger penetrating power, the water molecules can be excited to resonate, the heat can be uniformly permeated into the core depth of the heated object, the uniform heating effect is ensured, and the heating quality and the heating speed are improved. Further, the gas ejected from the central fire hole is combusted in a premixed manner, and the gas ejected from the outer ring fire hole is combusted in an atmospheric manner. Through will mix formula burning and atmosphere formula burning in advance and combine on same fire lid subassembly, can make fire lid subassembly both guarantee the thermal efficiency, guarantee the heat load again, can be applicable to multiple occasion. In addition, the fire cover is usually manufactured by adopting integral forging and pressing, the investment cost of a die manufactured by integral forging and pressing is higher, the processing cost of the fire cover of the infrared burner is lower, and the processing precision is easier to control, so that the cost of the fire cover assembly can be effectively reduced by adopting the center cover with the structure.

Illustratively, be provided with the fire lid installation department on the fire lid main part, the fire lid installation department is used for installing the fire lid main part to the distributor.

Set up fire lid installation department in the fire lid main part, can avoid the fire lid main part to demolish the deviation that appears when reinstalling by distributor, cause the production gap between fire lid main part and the distributor, the phenomenon of gas leakage appears, avoids appearing the potential safety hazard.

Illustratively, the fire lid mounting portion includes a threaded hole disposed inside the air mixing groove of the fire lid outer ring.

The fire cover assembly with the structure has the advantages of simple structure, convenience in connection and easiness in disassembly.

Illustratively, the outer ring fire holes are spaced more than 30mm from the center fire holes in the radial direction.

This distance can avoid the outer loop fire hole too closely with distance between the center fire hole, leads to the gas because of striving for oxygen and the burning is not abundant.

According to a second aspect of the present invention, there is provided a burner comprising any one of the fire cover assemblies described above; the fire distributor is provided with a fire distributor central hole, a fire distributor outer ring gas mixing groove and a gas transmission groove, the aperture of the fire distributor central hole is larger than the outer diameter of the lower part of the central part of the fire cover main body, the fire distributor outer ring gas mixing groove is arranged on the periphery of the fire distributor central hole, one end of the gas transmission groove is communicated with the fire distributor central hole, the other end of the gas transmission groove is communicated with the fire distributor outer ring gas mixing groove, the fire cover assembly is buckled on the fire distributor, and the fire cover outer ring gas mixing groove and the fire distributor outer ring gas mixing groove form an outer ring gas mixing cavity; and the fire cover main body and the gas transmission groove form a gas transmission channel.

Therefore, the burner with the structure can lead the multi-path gas to intensively enter the central gas mixing cavity and the outer ring gas mixing cavity from the center of the bottom of the distributor. Among the prior art, the furnace end is carried the gas to outer loop gas mixing chamber vertically, and in this application, the passageway that the gas passes through L shape gets into outer loop gas mixing chamber, consequently can reduce gas delivery rate, avoids outer loop fire hole to give vent to anger the speed too fast and lead to leaving flame. Moreover, the distributor adopting the structure is only communicated with the gas transmission hole of the furnace end through the center hole of the distributor, and as mentioned above, only the outer ring gas mixing cavity needs to be formed between the fire cover assembly and the distributor, so the distributor has the advantages of simple structure, lower requirement on processing precision and higher yield.

Exemplarily, the fire lid main part still includes a plurality of connecting ribs, the one end of a plurality of connecting ribs is connected to the central part, and the other end of a plurality of connecting ribs is connected to outer ring portion, along the circumference direction of fire lid subassembly, adjacent connecting rib is spaced apart to be arranged, in order to form first opening between adjacent connecting rib, the distributor still has the second opening with first opening one-to-one, on the distributor, upwards extend from the edge of second opening has the side wall, the side wall surrounds the second opening, be formed with the gas transmission groove between two adjacent second open-ended side walls, fire lid subassembly lock is on the distributor, a plurality of connecting ribs cover the top in corresponding gas transmission groove.

First opening and second opening then correspond and form the secondary air passageway, are favorable to the circulation of air, and the burning of help flame avoids appearing the insufficient phenomenon of gas burning.

According to a third aspect of the present invention, there is provided a range, comprising any one of the above burners.

A series of concepts in a simplified form are introduced in the disclosure, which will be described in further detail in the detailed description section. The summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

The advantages and features of the present invention are described in detail below with reference to the accompanying drawings.

Drawings

The following drawings of the present invention are used herein as part of the present invention for understanding the present invention. There are shown in the drawings, embodiments and descriptions thereof, which are used to explain the principles of the invention. In the drawings, there is shown in the drawings,

fig. 1 is a perspective view of a fire lid assembly according to an exemplary embodiment of the present invention;

FIG. 2 is a cross-sectional view of the fire lid assembly of FIG. 1;

FIG. 3 is a perspective view of the fire lid body of FIG. 1;

FIG. 4 is another perspective view of the fire lid body of FIG. 3;

FIG. 5 is a perspective view of the center cap of FIG. 1;

fig. 6 is a perspective view of a burner according to an exemplary embodiment of the present invention;

FIG. 7 is a cross-sectional view of the burner of FIG. 6; and

fig. 8 is a perspective view of the distributor of fig. 6.

Wherein the figures include the following reference numerals:

100. a fire cover assembly; 200. a fire cover main body; 210. a central portion; 211. a central hole of the fire cover; 220. an outer ring portion; 221. the fire cover is provided with an outer ring gas mixing groove; 230. an outer ring fire hole; 240. a connecting rib; 250. a first opening; 260. a fire cover mounting part; 261. a boss; 262. a threaded hole; 300. a center cover; 310. a central air mixing cavity; 320. a central fire hole; 400. a burner; 410. an outer ring air mixing cavity; 420. a gas transmission channel; 430. a secondary air passage; 500. a fire divider; 510. a central hole of the fire divider; 520. an outer ring gas mixing groove of the fire divider; 530. a gas transmission groove; 540. a second opening; 541. and a side wall.

Detailed Description

In the following description, numerous details are provided to provide a thorough understanding of the present invention. One skilled in the art, however, will understand that the following description illustrates only a preferred embodiment of the invention and that the invention may be practiced without one or more of these details. In addition, some technical features that are well known in the art are not described in detail in order to avoid obscuring the present invention.

The present invention provides a fire lid assembly 100, as shown in fig. 1-5. The fire lid assembly 100 includes a fire lid body 200 and a center lid 300. The fire lid body 200 includes a central portion 210 and an outer ring portion 220. The outer ring portion 220 is disposed at the periphery of the central portion 210. The central portion 210 and the outer annular portion 220 may be coaxially disposed. The center portion 210 is provided with an axially through fire lid center hole 211, and the fire lid center hole 211 may be a tubular structure having a certain length in an axial direction thereof. The lower surface of the outer ring part 220 is provided with a fire cover outer ring gas mixing groove 221 with a downward opening. The fire cover central hole 211 and the fire cover outer ring gas mixing groove 221 can be used for guiding gas. The outer ring part 220 is further provided with an outer ring fire hole 230 communicated with the fire cover outer ring gas mixing groove 221, and the outer ring fire hole 230 is used for discharging gas in the fire cover outer ring gas mixing groove 221 and burning the gas at the outer ring fire hole 230. The center cap 300 may be fastened to the top of the center portion 210, and the center cap 300 and the sidewall of the center hole 211 of the fire cover enclose a center air mixing chamber 310 with a downward opening. The center cover 300 is further provided with a center fire hole 320 communicating with the center air mixing chamber 310. The central fire hole 320 is used for allowing the gas in the central gas mixing chamber 310 to be discharged from the central fire hole 320 and to be combusted at the central fire hole 320.

The central air mixing chamber 310 is formed by the fire lid body 200 and the central lid 300, and the fire lid assembly 100 is assembled to form an outer annular air mixing chamber with the distributor. The outer ring air mixing chamber may be formed by the fire lid outer ring air mixing groove 221 of the fire lid main body 200 in cooperation with the distributor. Compare on big or small fire lid equal direct lock to distributor among the prior art, the utility model provides a only need cooperate and form outer loop gas mixing chamber between fire lid subassembly 100 and the distributor, the distributor only needs structurally to cooperate each other with fire lid main part 200 promptly, need not structurally to cooperate each other with central lid 300, consequently from the machining precision, can reduce the requirement to the machining precision of distributor. Therefore, the manufacturing difficulty can be reduced, the cost is reduced, and the yield is improved.

Illustratively, referring to fig. 2-4, the fire lid body 200 further includes a plurality of connecting ribs 240. One end of the plurality of connection ribs 240 is connected to the central portion 210, and the other end of the plurality of connection ribs 240 is connected to the outer ring portion 220. That is, the central portion 210 is fixed to the inside of the outer ring portion 220 by the connection rib 240. The connection ribs 240 are distributed along the circumferential direction of the fire cap assembly 100. Adjacent connecting ribs 240 are spaced apart to form first openings 250 between the adjacent connecting ribs 240.

The connection ribs 240 may fix the central portion 210 and the outer ring portion 220. The connection ribs 240 are arranged at intervals, so that on one hand, the weight of the fire cover main body 200 can be reduced, the use of materials is reduced, and the cost is reduced, and on the other hand, the first openings 250 formed among the connection ribs 240 can also be used as secondary air channels to supplement air for combustion on the fire cover assembly 100, so that the full combustion of the fire cover assembly is facilitated, and the combustion efficiency of fuel gas is improved.

Illustratively, referring to fig. 5, the central fire hole 320 is located on the top surface of the central cap 300 and extends in the axial direction of the fire cap assembly 100, i.e., the central fire hole 320 is vertically disposed. Thus, the gas discharged from the central fire hole 320 is sprayed vertically upward. Compared with the central fire hole 320 arranged around the central cover 300, the gas can be discharged more smoothly, the gas outlet rate is improved, the flame can vertically act on the bottom of a pot placed on the central fire hole, and the heat efficiency is improved.

Illustratively, the center cap 300 is an infrared burner cap. The fire cover of the infrared burner can be made of porous ceramic plates and metal fiber plates. As is well known, when the infrared burner is operated, the gas needs to be completely premixed with the air before being delivered to the central air mixing chamber 310. The fully premixed combustion gases are discharged through the central fire hole 320 and combusted without the need for secondary air.

When the fire cover assembly 100 works, because the gas and the air are completely premixed, the gas combustion can be fully ensured, the pollutant emission is reduced, the infrared rays generated during the gas combustion have stronger penetrating power, the water molecules can be excited to resonate, the heat can be uniformly permeated into the core depth of the heated object, the uniform heating effect is ensured, and the heating quality and the heating speed are improved. Further, the gas injected from the center fire hole 320 is combusted in a premixed type, and the gas injected from the outer ring fire hole 230 is combusted in an atmospheric type. By combining premixed combustion and atmospheric combustion on the same fire cover assembly 100, the fire cover assembly 100 can ensure both thermal efficiency and thermal load, and can be applied to various occasions. In addition, the fire cover is generally manufactured by integral forging, the investment cost of a die manufactured by integral forging is high, the processing cost of the fire cover of the infrared burner is low, and the processing precision is easier to control, so the central cover 300 adopting the structure can effectively reduce the cost of the fire cover assembly 100.

Illustratively, referring to fig. 4, a fire lid mounting portion 260 is provided on the fire lid body 200, the fire lid mounting portion 260 being used to attach the fire lid body 200 to the distributor 500. The fire cover mounting part 260 may be a snap connection part or a screw connection part, etc. For the fire lid main body 200 provided with the secondary air passage, the orientation of the fire lid main body 200 mounted on the distributor is fixed, that is, when it is necessary to ensure that the first opening for the secondary air passage on the fire lid main body 200 is aligned with the second opening for the secondary air passage on the distributor (which will be described in detail later), if the user changes the relative position of the fire lid main body 200 and the distributor during use, gas leakage may be caused, therefore, the fire lid main body 200 and the distributor can be fixed together in the correct relative position through the fire lid mounting part 260, thereby avoiding the misoperation of the user and ensuring that the fire lid main body 200 and the distributor 500 are hermetically connected.

Set up fire lid installation department 260 on fire lid main part 200, can avoid fire lid main part 200 to demolish the deviation that appears when installing again by distributor 500, cause the production gap between fire lid main part 200 and the distributor 500, the phenomenon of gas leakage appears, avoids appearing the potential safety hazard.

Illustratively, the fire lid mounting portion 260 includes a threaded bore 262 disposed within the fire lid outer ring air mixing groove 221. A boss 261 may be provided inside the fire cover outer ring air mixing groove 221, and a screw hole 262 may be provided on the boss 261. The distributor 500 can be further provided with a through hole corresponding to the threaded hole 262, and a screw penetrates through the through hole to be matched with the threaded hole 262, so that the fire cover main body 200 and the distributor 500 can be fixedly connected. The fire cover mounting part 260 is arranged in the fire cover outer ring gas mixing groove 221, so that the influence on the whole size of the fire cover main body 200 can be avoided, and the fire cover mounting part 260 is prevented from being exposed. The fire cover assembly 100 with the structure has the advantages of simple structure, convenient connection and easy disassembly.

Illustratively, referring to FIG. 1, the outer ring fire holes 230 are spaced a distance X of greater than 30mm from the center fire hole 320 in the radial direction. This distance can avoid the outer loop fire hole too closely with distance between the center fire hole, leads to the gas because of striving for oxygen and the burning is not abundant.

According to a second aspect of the present invention, there is provided a burner 400, as shown in fig. 6-8, comprising a fire lid assembly 100 and a distributor 500. The structure of the fire lid assembly 100 can be referred to the above description. The fire divider 500 is fitted to the fire cover assembly 100. The distributor 500 may have a distributor central bore 510, a distributor outer ring mixing slot 520, and a gas transfer slot 530. The diameter of the central hole 510 of the distributor is larger than the outer diameter of the lower portion of the central portion 210 of the fire cover main body 200. When the fire lid assembly 100 and the distributor 500 are assembled, an annular gap may be formed between the central portion 210 of the fire lid body 200 and the distributor central bore 510. The distributor outer ring mixing slot 520 is disposed about the periphery of the distributor central bore 510. One end of the gas transfer slot 530 communicates with the distributor central bore 510 and the other end of the gas transfer slot 530 communicates with the distributor outer ring mixing slot 520. When the fire lid assembly 100 is fastened to the fire distributor 500, the fire lid outer ring air mixing groove 221 and the distributor outer ring air mixing groove 520 form an outer ring air mixing chamber 410, and the fire lid main body 200 and the air delivery groove 530 form an air delivery passage 420. As can be seen from fig. 7, the gas supplied from the burner below the distributor 500 is divided into two parts by the central hole 211 of the fire cover, one part directly enters the central hole 211 of the fire cover, and the other part enters the gas supply channel 420 through the annular gap between the central hole 211 of the fire cover and the central hole 510 of the distributor, and thus enters the outer annular gas mixing chamber 410.

Therefore, the burner 400 with the structure can make the multi-path gas intensively enter the central gas mixing chamber 310 and the outer ring gas mixing chamber 410 from the center of the bottom of the distributor 500. Among the prior art, the furnace end is vertical to be carried the gas to outer loop gas mixing chamber, and in this application, the passageway entering outer loop gas mixing chamber 410 of gas through L shape, consequently can reduce gas delivery rate, avoids outer loop fire hole to give vent to anger speed too fast and lead to leaving the flame. Moreover, the distributor 500 with the structure only has the center hole 510 communicated with the gas transmission hole of the furnace end, so that the distributor 500 is simple in structure, low in requirement on machining precision and high in yield.

In the embodiment where the fire lid body 200 includes a plurality of coupling ribs 240, the distributor 500 preferably also has second openings 540 in one-to-one correspondence with the first openings 250. A sidewall 541 extends upward from the edge of the second opening 540 on the distributor 500. The sidewall 541 surrounds the second opening 540. The gas transmission groove 530 is formed between the side walls of two adjacent second openings 540. The fire lid assembly 100 is snap-fitted to the distributor 500 with the plurality of coupling ribs 240 covering the top of the corresponding gas delivery slots 530. The connecting ribs 240 are fastened to the sidewalls 541 to form a plurality of air transmission channels 420. The gas transmission passage 420 communicates the outer ring gas mixing chamber 410 and the fire lid central hole 211. The first opening 250 and the second opening 540 correspondingly form a secondary air channel 430, which is beneficial to air circulation, helps flame combustion, and avoids the phenomenon of insufficient combustion of fuel gas.

According to a third aspect of the present invention, there is provided a cooking appliance, comprising any one of the above-mentioned burners 400.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front", "rear", "upper", "lower", "left", "right", "horizontal", "vertical", "horizontal" and "top", "bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner" and "outer" refer to the interior and exterior relative to the contours of the components themselves.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe the spatial relationship of one or more components or features shown in the figures to other components or features. It is to be understood that the spatially relative terms are intended to encompass not only the orientation of the component as depicted in the figures, but also different orientations of the component in use or operation. For example, if an element in the drawings is turned over in its entirety, the articles "over" or "on" other elements or features will include the articles "under" or "beneath" the other elements or features. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". Further, these components or features may also be positioned at various other angles (e.g., rotated 90 degrees or other angles), all of which are intended to be encompassed herein.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, elements, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The present invention has been described in terms of the above embodiments, but it is to be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the described embodiments. Furthermore, it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that many more modifications and variations are possible in light of the teaching of the present invention and are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A fire lid assembly, comprising:

the fire cover comprises a fire cover main body and a fire cover body, wherein the fire cover main body comprises a central part and an outer ring part, an axially through fire cover central hole is formed in the central part, a fire cover outer ring gas mixing groove with a downward opening is formed in the lower surface of the outer ring part, the outer ring part is arranged on the periphery of the central part, and an outer ring fire hole communicated with the fire cover outer ring gas mixing groove is formed in the outer ring part; and

the central cover can be buckled to the top of the central part, the central cover and the side wall of the central hole of the fire cover are encircled to form a central air mixing cavity with a downward opening, and the central cover is provided with a central fire hole communicated with the central air mixing cavity.

2. The fire lid assembly of claim 1 wherein the fire lid body further comprises a plurality of connecting ribs, one end of the plurality of connecting ribs being connected to the central portion and the other end of the plurality of connecting ribs being connected to the outer ring portion, adjacent connecting ribs being spaced apart along a circumferential direction of the fire lid assembly to form first openings therebetween.

3. The fire lid assembly of claim 1 wherein said central fire hole is located on said central lid top surface and extends in an axial direction of said fire lid assembly.

4. The fire lid assembly of claim 3 wherein said center lid is an infrared burner fire lid.

5. The fire cover assembly of claim 1 wherein a fire cover mounting portion is provided on said fire cover body for mounting said fire cover body to a fire divider.

6. The fire lid assembly of claim 5 wherein said fire lid mounting portion includes a threaded aperture disposed within said fire lid outer ring air mixing groove.

7. The fire lid assembly of claim 1 wherein said outer ring fire holes are spaced greater than 30mm in a radial direction from said central fire hole.

8. A burner, comprising:

the fire lid assembly of any one of claims 1 and 3-7;

a distributor having a distributor center hole, a distributor outer ring gas mixing groove and a gas delivery groove, the diameter of the distributor center hole being larger than the outer diameter of the lower portion of the center portion of the fire cover body, the distributor outer ring gas mixing groove being provided at the periphery of the distributor center hole, one end of the gas delivery groove being communicated with the distributor center hole and the other end of the gas delivery groove being communicated with the distributor outer ring gas mixing groove,

the fire cover assembly is buckled on the fire distributor, and the fire cover outer ring gas mixing groove and the fire distributor outer ring gas mixing groove form an outer ring gas mixing cavity; and the fire cover main body and the gas transmission groove form a gas transmission channel.

9. The burner of claim 8,

the fire lid main body further comprising a plurality of connection ribs, one ends of which are connected to the central portion and the other ends of which are connected to the outer ring portion, adjacent connection ribs being arranged at intervals along a circumferential direction of the fire lid assembly to form first openings between the adjacent connection ribs,

the distributor still have with the second opening of first opening one-to-one on the distributor, follow the edge of second opening upwards extends there is the side wall, the side wall surrounds the second opening is formed with between two adjacent second open-ended side walls the gas transmission groove, fire lid subassembly lock is in on the distributor, a plurality of connecting ribs cover the top in the gas transmission groove that corresponds.

10. Hob, characterized in, that it comprises a burner as claimed in claim 8 or 9.

Images