Fire cover and cooking utensil

Abstract

The embodiment of the utility model provides a fire cover and a cooking utensil, and belongs to the technical field of cooking equipment.The fire cover comprises a fire cover body, the fire cover body is used for covering an annular cavity in a furnace end, and the fire cover body is provided with a plurality of fire holes used for jetting flames; a plurality of fire outlet channels are formed in the fire cover body, one end of each fire outlet channel communicates with the annular cavity, and the other end of each fire outlet channel correspondingly communicates with the corresponding fire hole. According to the fire cover and the cooking utensil, the problem that in the prior art, tempering is likely to occur in the cooking process is solved.

Description

Technical Field

[0001] This application relates to the technical field of cooking equipment, and more particularly to a fire cap and a cooking utensil. Background Technology

[0002] Cooking appliances are particularly important equipment in the kitchen, and gas stoves are one type of cooking appliance, with the burner being the core component of a gas stove.

[0003] In related technologies, a burner typically includes a burner head, which has a copper core area and an outer ring area. It also includes a thermocouple, an electrode needle, and several gas pipes connecting the copper core area or the outer ring area. The burner head has an outer ring cavity corresponding to the outer ring area, and a flame cap covering the outer ring cavity. The flame cap is annular and has several flame outlet slits. In use, gas is input into the copper core area and the outer ring area through the gas pipes. Then, the electrode needle ignites the copper core area, which simultaneously transmits the flame to the outer ring area. This causes the flame in the outer ring area to be ejected outwards from the flame outlet slits, thereby heating the cookware.

[0004] However, the burner cap is usually made of sheet metal, which makes the cap itself thin and the flame outlet gap shallow, making the burner prone to backfire during use. Utility Model Content

[0005] This application provides a flame cap and a cooking appliance to solve the problem of backfire easily occurring during the cooking process in the prior art.

[0006] To achieve the above objectives, the embodiments of this application provide the following technical solutions:

[0007] In a first aspect, embodiments of this application provide a flame cover, including a flame cover body, the flame cover body being used to cover an annular cavity on a stove head, and the flame cover body being provided with a plurality of flame holes for spraying flames;

[0008] The main body of the flame cap is provided with multiple flame outlet channels. One end of each flame outlet channel is connected to the annular cavity, and the other end of each flame outlet channel is connected to the corresponding flame hole.

[0009] In one possible implementation, the flame cap body has a gas delivery chamber for communicating with the annular cavity;

[0010] The gas supply chamber is divided into multiple flame outlet channels, which extend along the axial or radial direction of the flame cap body and connect the flame holes and the gas supply chamber.

[0011] In one possible implementation, a partition is also provided inside the gas delivery chamber, which divides the interior of the gas delivery chamber into a plurality of flame outlet channels extending axially along the flame cap body.

[0012] In one possible implementation, the separator is annular and coaxially embedded within the flame cap body.

[0013] In one possible implementation, a plurality of first grooves are provided on the outer wall of the separator, the plurality of first grooves being distributed circumferentially along the flame cap body, the first grooves communicating with the flame holes, so that the first grooves form the flame outlet channel extending axially along the flame cap body.

[0014] In one possible implementation, the flame cap body is provided with a plurality of auxiliary holes for spraying flames. The auxiliary holes are connected to the flame outlet channel. Both the auxiliary holes and the flame holes are located on the side wall of the flame cap body, and each auxiliary hole is respectively disposed below each flame hole.

[0015] In one possible implementation, a cover is also included, wherein a plurality of second grooves are provided on the upper surface of the flame cap body, and the cover is provided on the upper surface of the flame cap body to cover each of the second grooves and to form the flame outlet channel extending radially along the flame cap body.

[0016] One end of the second groove extends through the side wall of the flame cap body to form the flame hole, and the other end of the second groove extends into the gas delivery chamber.

[0017] In one possible implementation, the flame cap body is provided with an ignition groove, which connects the annular cavity to the outside of the flame cap body;

[0018] The main body of the burner cap is provided with at least one ignition hole communicating with the annular cavity. The ignition hole is correspondingly located on the side of the ignition groove facing the ignition area on the burner head, and the opening of the ignition hole faces the ignition area on the burner head.

[0019] In one possible implementation, baffles are provided on the two opposite edges of the ignition slot, and the baffles are located on the side of the flame cap body facing the annular cavity.

[0020] Secondly, embodiments of this application provide a cooking appliance, including a mounting base and at least one combustion mechanism, each of which is disposed on the mounting base; the combustion mechanism includes a body and a flame cap as described in any of the above embodiments disposed on the body.

[0021] This application provides a burner cap and a cooking appliance. The burner cap consists of a main body with multiple flame holes and multiple flame outlet channels inside. One end of each flame outlet channel connects to an annular cavity, and the other end of each channel connects to a corresponding flame hole. In use, the burner cap covers the annular cavity on the burner head. This annular cavity can be an outer or inner annular cavity, allowing the flame outlet channels to communicate with it. During combustion, the flame outlet channels effectively extend the depth of the flame holes, increasing the backfire limit and reducing the likelihood of backfire. It also reduces noise during flameout, solving the problem of backfire easily occurring during cooking in existing technologies. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. The drawings included herein are incorporated in and constitute a part of this specification, illustrating embodiments consistent with this application, and together with the description are used to explain the principles of this application.

[0023] Figure 1 A schematic diagram of the installation structure of a flame cap in Embodiment 1, provided for an embodiment of this application;

[0024] Figure 2 for Figure 1 A schematic diagram of the explosion structure of the central flame cap;

[0025] Figure 3 for Figure 2 A partial cross-sectional view of the main body of the fire cover;

[0026] Figure 4 for Figure 2 A magnified structural diagram of part A in the middle;

[0027] Figure 5 for Figure 2 Schematic diagram of the installation structure of the middle baffle;

[0028] Figure 6 This application provides a schematic diagram of the explosion structure of a flame cap in Embodiment 2.

[0029] Figure 7 A partial cross-sectional view of a flame cap in Embodiment 2, provided as an embodiment of this application;

[0030] Figure 8 This is a schematic diagram of the combustion mechanism in a cooking appliance provided in an embodiment of this application;

[0031] Figure 9 for Figure 8 A schematic diagram of the explosive structure of the combustion mechanism.

[0032] The accompanying drawings have illustrated specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to specific embodiments.

[0033] Explanation of reference numerals in the attached figures:

[0034] 10-Fire cap;

[0035] 20-Stove head;

[0036] 30 - Outer ring cavity;

[0037] 40-Copper core;

[0038] 50-electrode needle;

[0039] 60-Thermocouple;

[0040] 70 - Inner ring cavity;

[0041] 100 - Flame cap body; 110 - Flame hole; 120 - Top wall; 121 - Through hole; 130 - Outer wall; 140 - Inner edge wall; 150 - Gas delivery chamber; 160 - Auxiliary hole;

[0042] 200-Fire exit;

[0043] 300 - Separator;

[0044] 400 - Ignition hole; 410 - Clearance groove;

[0045] 500 - Ignition slot; 510 - Baffle;

[0046] 600 - Cover; 610 - Boss; 620 - Top cover. Detailed Implementation

[0047] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions of this application and how they solve the aforementioned technical problems will be clearly and completely described below with reference to specific embodiments and accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, not all of them. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described again in some embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0048] The terms “first,” “second,” “third,” “fourth,” etc. (if present) in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a particular order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented, for example, in orders other than those illustrated or described herein.

[0049] In this application, the terms "exemplary" or "for example" are used to indicate examples, illustrations, or descriptions. Any embodiment or design described as "exemplary" or "for example" in this application should not be construed as being more preferred or advantageous than other embodiments or designs. Specifically, the use of terms such as "exemplary" or "for example" is intended to present the relevant concepts in a concrete manner.

[0050] In related technologies, a burner typically includes a burner head, which has a copper core area and an outer ring area. It also includes a thermocouple, an electrode needle, and several gas pipes connecting the copper core area or the outer ring area. The burner head has an outer ring cavity with an upper opening structure corresponding to the outer ring area, and a flame cap covering the outer ring cavity. The flame cap has several flame outlet slits. In use, gas is input into the copper core area and the outer ring area through the gas pipes. The electrode needle then ignites the copper core area, which simultaneously transmits the flame to the outer ring area. This causes the flame in the outer ring area to be ejected outwards from the flame outlet slits, thereby heating the cookware.

[0051] However, since the burner cap is usually made of sheet metal, the cap itself is relatively thin and the flame outlet gap is relatively shallow. This makes the burner prone to backfire during use. Backfire refers to the flame retreating into the interior of the burner or even into the gas pipeline. This process can easily lead to incomplete combustion of the gas and the production of harmful gases. In addition, the burner produces a lot of noise (i.e., abnormal noise) when it is turned off.

[0052] Therefore, this application provides a burner cap and a cooking appliance. The burner cap includes a main body with multiple fire holes. Multiple fire outlet channels are provided inside the main body, and each fire outlet channel is connected to a corresponding fire hole. In use, the burner cap covers the annular cavity on the burner head, so that the fire outlet channels are connected to the annular cavity. Thus, during combustion, the depth of the fire holes is effectively extended through the fire outlet channels, thereby increasing the backfire limit and reducing the possibility of backfire. At the same time, it can also reduce the noise generated when the flame is extinguished, thus solving the problem of backfire easily occurring during the cooking process in the prior art.

[0053] The technical solution of this utility model will now be described in detail with reference to the accompanying drawings and specific embodiments. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described again in some embodiments.

[0054] This application provides a fire cover 10.

[0055] Example 1:

[0056] like Figure 1 , Figure 2 and Figure 3 As shown, a flame cover 10 includes a flame cover body 100, which is used to cover the annular cavity on the burner head 20. The flame cover body 100 is provided with a plurality of flame holes 110 for spraying flames. The flame cover body 100 is provided with a plurality of flame outlet channels 200 inside. One end of each flame outlet channel 200 is connected to the annular cavity, and the other end of each flame outlet channel 200 is respectively connected to each flame hole 110.

[0057] In this embodiment, the burner cap body 100 has an annular structure, such that when the burner cap body 100 is installed on the burner head 20, it can cover the annular cavity on the burner head 20. There are no other restrictions on the shape or structure of the burner cap body 100. The annular cavity can be the outer annular cavity 30 or other annular cavities. In this embodiment, the burner cap body 100 covers the outer annular cavity 30.

[0058] The flame cap body 100 is provided with multiple flame holes 110 and multiple flame outlet channels 200. The flame outlet channels 200 are located inside the flame cap body 100, and each flame outlet channel 200 is respectively provided in relation to each flame hole 110. One end of the flame outlet channel 200 is used to connect to the outer ring cavity 30 (the outer ring cavity 30 has an upward opening structure), and the other end is connected to the flame hole 110. The flame outlet channel 200 extends the depth of the flame hole 110 and increases the flashback limit, thereby reducing the possibility of flashback during use.

[0059] It should be noted that backfire refers to the flame retreating back into the burner or even into the gas pipeline. This process can easily lead to incomplete combustion of the gas and the production of harmful gases.

[0060] When in use, the burner cap 10 covers the outer ring cavity 30 on the burner head 20, so that the flame channel 200 is connected to the outer ring cavity 30. Thus, during the combustion process, the flame channel 200 effectively extends the depth of the flame hole 110, thereby increasing the backfire limit and reducing the possibility of backfire. At the same time, it can also reduce the noise generated when the flame is extinguished, solving the problem of backfire that easily occurs during the cooking process in the existing technology.

[0061] like Figure 2 and Figure 3As shown, in some embodiments, the flame cap body 100 has a gas delivery chamber 150 for communicating with the annular cavity;

[0062] Multiple flame outlet channels 200 are separated in the gas supply chamber 150. The flame outlet channels 200 extend along the axial or radial direction of the flame cap body 100 and connect the flame hole 110 and the gas supply chamber 150.

[0063] Specifically, the main body 100 of the flame cap includes a top wall 120, an outer wall 130, and an inner edge wall 140, all of which have an annular structure. The top wall 120 is horizontally arranged, while the outer wall 130 and the inner edge wall 140 are vertically arranged. The diameter of the inner edge wall 140 is smaller than that of the outer wall 130, so that the inner edge walls 140 are spaced apart inside the outer wall 130. The upper end of the inner edge wall 140 is connected to the inner edge of the top wall 120, and the upper end of the outer wall 130 is connected to the outer edge of the top wall 120, so that the three together form an annular gas delivery cavity 150 with its opening facing downwards.

[0064] When the burner cap body 100 covers the outer ring cavity 30 on the burner head 20, the gas delivery cavity 150 is connected to the outer ring cavity 30.

[0065] In actual processing, the outer wall 130 and the inner edge wall 140 can be fixed to the top wall 120 by welding; the top wall 120, the outer wall 130 and the inner edge wall 140 can also be integrally formed; of course, other methods can also be used to connect the outer wall 130 and the inner edge wall 140 to the top wall 120, and there are no restrictions on this.

[0066] In this embodiment, each flame hole 110 is evenly arranged on the outer wall 130 along the circumference of the outer wall 130. The flame outlet channel 200 is located inside the gas supply cavity 150. The flame outlet channel 200 extends along the axial direction of the flame cap body 100. One end of the flame outlet channel 200 is connected to the flame hole 110, and the other end is connected to the gas supply cavity 150, thereby achieving the purpose of connecting the flame hole 110 with the outer ring cavity 30.

[0067] During installation, after the flame cap body 100 covers the outer ring cavity 30, the outer ring cavity 30 is connected in sequence to the gas supply cavity 150, the flame outlet channel 200 and the flame hole 110, thereby increasing the depth of the flame hole 110 through the flame outlet channel 200.

[0068] like Figure 2 As shown, in some embodiments, the flame cap body 100 is provided with a plurality of auxiliary holes 160 for spraying flames, and the auxiliary holes 160 are connected to the flame outlet channel 200. The auxiliary holes 160 and the flame holes 110 are both located on the side wall of the flame cap body 100, and each auxiliary hole 160 is respectively disposed below each flame hole 110.

[0069] Specifically, each auxiliary hole 160 is also evenly distributed on the outer wall 130, and each auxiliary hole 160 corresponds one-to-one with each flame hole 110. The auxiliary holes 160 are adjacent to the flame holes 110, and the auxiliary holes 160 are also connected to the end of the flame outlet channel 200 away from the gas supply chamber 150. For example, the auxiliary holes 160 can be located directly below the flame holes 110.

[0070] After ignition, the auxiliary hole 160 can further improve the combustion efficiency of the gas, allowing it to burn more completely and reducing exhaust gases produced by incomplete combustion. It also helps to distribute the flame more evenly, thus ensuring that the bottom of the cookware is heated evenly during cooking.

[0071] like Figure 2 and Figure 3 As shown, in some embodiments, the flame cap 10 also includes a partition 300 disposed inside the gas delivery chamber 150, which divides the inside of the gas delivery chamber 150 into a plurality of flame outlet channels 200 extending axially along the flame cap body 100.

[0072] Furthermore, the separator 300 is annular and coaxially embedded within the burner cap body 100. The separator 300 then divides the interior of the gas delivery chamber 150 into multiple flame outlet channels 200.

[0073] The outer wall of the separator 300 is provided with a plurality of first grooves, which are distributed circumferentially along the flame cap body 100. The first grooves are connected to the flame holes 110 so that the first grooves form a flame outlet channel 200 extending axially along the flame cap body 100.

[0074] It should be noted that the separator 300 is a ring-shaped structure. The height of the separator 300 is less than the height of the outer wall 130. The upper edge of the separator 300 is close to the inner surface of the outer wall 130. The lower edge of the separator 300 and the part corresponding to each flame hole 110 are recessed towards the inner side of the gas delivery cavity 150 to form a first groove. Multiple first grooves are distributed along the circumference of the flame cap body 100. The first grooves extend vertically, so that the first groove is the flame outlet channel 200 extending axially along the flame cap body 100.

[0075] It is understandable that the fire outlet channel 200 has a vertically extending structure, with the upper end of the fire outlet channel 200 connected to the fire hole 110 and the auxiliary hole 160, and the lower end of the fire outlet channel 200 connected to the gas supply chamber 150.

[0076] During installation, simply insert the separator 300 into the gas supply chamber 150 from bottom to top, and then embed the separator 300 inside the gas supply chamber 150. This forms a flame outlet channel 200 within the gas supply chamber 150 through the first groove on the separator 300, thereby increasing the depth of the flame hole 110.

[0077] In actual implementation, the partition 300 can be fixed to any one of the outer wall 130, top wall 120 or inner edge wall 140 by snap-fit, screw-fit or other means. The partition 300 can also be set to other shapes, and there are no restrictions on this.

[0078] like Figure 4 As shown, the flame cap body 100 is further provided with an ignition groove 500, which connects the outer annular cavity 30 to the outside of the flame cap body 100.

[0079] The burner cap body 100 is provided with at least one ignition hole 400 that connects to the annular cavity. The ignition hole 400 is correspondingly located on the side of the ignition groove 500 facing the ignition area on the burner head 20, and the opening of the ignition hole 400 faces the ignition area on the burner head 20.

[0080] In this embodiment, a clearance groove 410 is provided at the inner edge of the upper surface of the top wall 120. The inner edge of the top wall 120 can be configured to slope downwards, allowing the opening of the clearance groove 410 to tilt towards the ignition area. In this embodiment, the ignition area is the copper core area on the burner head 20. Multiple ignition holes 400 are formed on the bottom wall of the clearance groove 410, allowing the clearance groove 410 to connect to the gas supply chamber 150 via the ignition holes 400, thereby connecting the clearance groove 410 to the outer annular cavity 30.

[0081] In other embodiments, different numbers of ignition holes 400 may be provided in the clearance groove 410, or different numbers of clearance grooves 410 may be provided on the top wall 120; in addition, the ignition holes 400 may also be provided on the inner edge wall 140, and this embodiment does not limit this.

[0082] In this embodiment, the ignition groove 500 is formed on the top wall 120, and the ignition groove 500 is correspondingly disposed on the side of the clearance groove 410, so that the ignition hole 400 is located on the side of the ignition groove 500 facing the ignition area on the burner head 20. The ignition groove 500 penetrates the top wall 120 and extends radially along the top wall 120, so that at the ignition groove 500, the outer annular cavity 30 communicates with the outside of the burner cap body 100.

[0083] Therefore, by setting the ignition hole 400 and the ignition groove 500, it is helpful to transfer the flame in the copper core area to the outer ring area (i.e., the area where the outer ring cavity 30 and the flame cap 10 are located) after ignition, thereby improving the ignition effect in the outer ring area.

[0084] like Figure 4 and Figure 5 As shown, in some embodiments, baffles 510 are provided on the two opposite edges of the ignition slot 500, and the baffles 510 are located on the side of the flame cap body 100 facing the annular cavity.

[0085] Specifically, there are two baffles 510, and the two baffles 510 are respectively fixed to the opposite two slot edges of the ignition groove 500 extending radially along the top wall 120. The baffles 510 are located on the side of the ignition groove 500 facing the gas delivery chamber 150, and there is a gap between the two baffles 510 corresponding to the ignition groove 500.

[0086] Therefore, the two baffles 510 can maintain the stability of the gas and flame at the ignition channel 500, reduce the possibility of the ignition channel 500 falling off under cold conditions, and reduce the occurrence of poor ignition transmission.

[0087] In practice, the baffle 510 can be fixed to the edge of the ignition channel 500 by welding, bonding or other means.

[0088] In summary, Embodiment 1 provides a burner cap 10. When in use, the burner cap 10 covers the outer annular cavity 30 on the burner head 20, so that the flame outlet channel 200 on the separator 300 is connected to the outer annular cavity 30. Thus, during combustion, the flame outlet channel 200 effectively extends the depth of the flame hole 110, thereby increasing the backfire limit and reducing the possibility of backfire. At the same time, it can also reduce the noise generated when the flame is extinguished, solving the problem of backfire easily occurring during cooking in the prior art.

[0089] Example 2:

[0090] like Figure 6 and Figure 7 As shown, the difference between this embodiment and the above embodiment is that the flame outlet channel 200 extends radially along the flame cap body 100.

[0091] Specifically, the flame cap 10 also includes a cover 600. The upper surface of the flame cap body 100 is provided with a plurality of second grooves. The cover 600 covers the upper surface of the flame cap body 100 to cover each of the second grooves and to make the second grooves form flame outlet channels 200 extending radially along the flame cap body 100.

[0092] One end of the second groove extends through the side wall of the flame cap body 100 to form a flame hole 110, and the other end of the second groove extends into the gas delivery chamber 150.

[0093] Specifically, multiple second grooves are recessed into the gas delivery cavity 150 from the top wall 120, resulting in an upwardly open structure for the second grooves. The second grooves are evenly spaced along the circumference of the top wall 120. The second grooves extend radially along the flame cap body 100, with one end of the second groove extending to the outer surface of the outer wall 130.

[0094] The top wall 120 has a through hole 121 at the end of the second groove facing the gas delivery chamber 150, so that the second groove is connected to the gas delivery chamber 150 through the through hole 121. The cover 600 has a ring-shaped structure and covers the upper surface of the top wall 120 to cover the upper opening of the second groove. Thus, the second groove is configured as a flame outlet channel 200 extending radially along the burner body 100, and the end of the second groove facing the outer wall 130 is a flame hole 110. The gas in the gas delivery chamber 150 can be transmitted into the flame outlet channel 200 through the through hole 121.

[0095] During installation, simply place the flame cap body 100 onto the outer annular cavity 30, and then cover the top wall 120 with the cover 600. The cover 600 and the flame cap body 100 together construct multiple flame channels 200 and multiple flame holes 110 for the flame cap 10. The flame channels 200 also serve to increase the depth of the flame holes 110, thereby reducing the possibility of backfire.

[0096] like Figure 7 As shown, in some embodiments, the cover 600 includes a boss portion 610 and an upper cover 620. The boss portion 610 is connected to the upper cover 620, and the upper cover 620 covers the upper surface of the flame cap body 100. The boss portion 610 is inserted into the flame cap body 100.

[0097] In this embodiment, the cover 600 includes an annular boss 610 and an upper cover 620, with the boss 610 connected to the inner edge of the upper cover 620. When the upper cover 620 covers the flame cap body 100, the boss 610 is inserted into the inner edge wall 140 and fits against the inner side of the inner edge wall 140. Thus, the boss 610 mutually limits the movement between the upper cover 620 and the flame cap body 100, improving the overall stability of the cover 600 after installation and reducing the possibility of the cover 600 slipping off the side of the flame cap body 100.

[0098] In actual implementation, the boss 610 can be fixed to the cover 620 by welding or other means, or the two can be integrally formed, and there is no restriction on this.

[0099] In summary, Embodiment 2 provides a burner cap 10. In use, the burner cap body 100 covers the outer annular cavity 30 on the burner head 20, and then the cover 600 is placed on top of the burner cap body 100, thereby forming a flame channel 200 and flame holes 110. Thus, during combustion, the flame channel 200 effectively extends the depth of the flame holes 110, increasing the backfire limit and reducing the possibility of backfire. It also reduces noise generated when the flame is extinguished, solving the problem of backfire easily occurring during cooking in existing technologies.

[0100] This application also provides a cooking appliance, which can be a gas stove, integrated stove, or other device used to supply fire for the cooking process.

[0101] like Figure 8 and Figure 9 As shown, in some embodiments, the cooking appliance includes a mounting base and at least one combustion mechanism, each combustion mechanism being disposed on the mounting base; the combustion mechanism includes a body and a flame cap 10 as described in any of the above embodiments disposed on the body.

[0102] The specific structure of the fire cover 10 can be found in the above embodiments, and will not be described in detail here.

[0103] It should be noted that the combustion mechanism may include a burner head 20, a copper core 40, an electrode needle 50, and a thermocouple 60. The burner head 20 has an inner annular cavity 70 with an upper opening and an outer annular cavity 30. The inner annular cavity 70 is located inside the outer annular cavity 30. The copper core 40 covers the inner annular cavity 70, and the burner cap 10 covers the outer annular cavity 30. This arrangement means that the inner annular cavity 70 and the copper core 40 together form the copper core area, and the outer annular cavity 30 and the burner cap 10 together form the outer annular area.

[0104] Both the electrode needle 50 and the thermocouple 60 are located between the inner ring cavity 70 and the outer ring cavity 30. The electrode needle 50 is used to ignite the copper core area; the thermocouple 60 is used to detect the flame condition and cut off the gas output according to the actual danger to improve safety during use. This part can directly use existing components without any other restrictions.

[0105] The main body also includes several gas delivery pipes that connect to the outer annular cavity 30 or the inner annular cavity 70.

[0106] In other embodiments, the body may also adopt other structures found in existing burners, without any other restrictions.

[0107] In other embodiments, the copper core 40 can be replaced with a flame cap 10 of the same structure, so that the flame cap 10 covers the inner ring cavity 70.

[0108] There are no restrictions on the structure of the mounting base or the number of combustion mechanisms, and cooking utensils are not shown here.

[0109] For example, the mounting base may have multiple mounting cavities with upper openings, and during installation, each combustion mechanism can be installed in its respective mounting cavity.

[0110] In summary, the embodiments of this application provide a cooking appliance that, during combustion, effectively extends the depth of the flame hole 110 through the flame channel 200, thereby increasing the backfire limit and reducing the possibility of backfire, thus solving the problem of backfire easily occurring during the cooking process in the prior art.

[0111] The technical solutions of this application have been described above with reference to the preferred embodiments shown in the accompanying drawings. However, it is readily understood by those skilled in the art that the scope of protection of this application is obviously not limited to these specific embodiments. The above embodiments are only used to illustrate the technical solutions of this application and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

[0112] Other embodiments of this application will readily occur to those skilled in the art upon consideration of the specification and practice of the disclosure herein. This application is not limited to the precise structures described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. This application is intended to cover any variations, uses, or adaptations of this application that follow the general principles of this application and include common knowledge or customary techniques in the art not disclosed herein. The specification and embodiments are to be considered exemplary only, and the scope of this application is limited only by the appended claims.

Claims

1. A fire cover characterized in that, The fire cover body (100) is used to cover the ring cavity on the burner head (20), and is provided with a plurality of fire holes (110) for spraying flames; The fire cover body (100) is internally provided with a plurality of fire outlet channels (200), one end of each of the fire outlet channels (200) is communicated with the ring cavity, and the other end of each of the fire outlet channels (200) is respectively communicated with each of the fire holes (110).

2. The glow plug according to claim 1, characterized in that The fire cover body (100) has a gas conveying cavity (150) for communicating with the ring cavity; The gas conveying cavity (150) is divided into a plurality of fire outlet channels (200) extending in the axial direction or the radial direction of the fire cover body (100), and the fire outlet channels (200) communicate the fire holes (110) and the gas conveying cavity (150).

3. The glow plug of claim 2 wherein, Further comprising a partition (300) arranged inside the gas conveying cavity (150), the partition (300) divides the gas conveying cavity (150) into a plurality of fire outlet channels (200) extending in the axial direction of the fire cover body (100).

4. The glow plug of claim 3 wherein, The partition (300) is annular, and the partition (300) is coaxially embedded in the fire cover body (100).

5. The glow plug of claim 4 wherein, The outer wall of the partition (300) is provided with a plurality of first grooves, and the plurality of first grooves are distributed in the circumferential direction of the fire cover body (100), the first grooves are communicated with the fire holes (110), so that the first grooves form the fire outlet channels (200) extending in the axial direction of the fire cover body (100).

6. The glow plug of claim 3 wherein, The fire cover body (100) is provided with a plurality of auxiliary holes (160) for spraying flames, the auxiliary holes (160) are communicated with the fire outlet channels (200), and the auxiliary holes (160) and the fire holes (110) are both located on the side wall of the fire cover body (100), and each of the auxiliary holes (160) is correspondingly arranged below each of the fire holes (110).

7. The glow plug of claim 2 wherein, Further comprising a cover (600), the upper surface of the fire cover body (100) is provided with a plurality of second grooves, and the cover (600) is arranged on the upper surface of the fire cover body (100) to cover each of the second grooves, so that the second grooves form the fire outlet channels (200) extending in the radial direction of the fire cover body (100); One end of the second groove in the extension direction penetrates through the side wall of the fire cover body (100) to form the fire hole (110).

8. The flame guard according to any one of claims 3-6, characterized in that The fire cover body (100) is provided with a fire channel (500) for communicating the ring cavity with the outside of the fire cover body (100); The fire cover body (100) is provided with at least one fire hole (400) communicated with the ring cavity, the fire hole (400) is correspondingly arranged on one side of the fire channel (500) facing the ignition area on the burner head (20), and the hole of the fire hole (400) faces the ignition area on the burner head (20).

9. The glow plug of claim 8 wherein, The fire groove (500) is provided with a baffle (510) on the opposite two groove edges, and the baffle (510) is located on the side of the fire cover body (100) facing the ring cavity.

10. A cooking appliance characterized by, The installation seat and at least one combustion mechanism are included, and each combustion mechanism is arranged on the installation seat; The combustion mechanism includes a body and the fire cover according to any one of claims 1-9 arranged on the body.

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