Fire cover, combustor and gas stove

Abstract

The utility model discloses a burner cap, a burner and a gas stove. The fire cover is of an integrated structure and provided with a first fire outlet gap and a second fire outlet gap. According to the technical scheme, the fire cover is provided with the first fire outlet seam and the second fire outlet seam, the fire cover is designed to be of an integrated structure, and compared with the first fire outlet seam and the second fire outlet seam formed by assembling a plurality of parts, the fire cover is higher in structural stability and easy to disassemble and assemble, and the probability that matching is not in place is effectively avoided.

Description

Technical Field

[0001] This application relates to the field of gas stove technology, and in particular to a burner cap, burner, and gas stove. Background Technology

[0002] In related technologies, the flame cap needs to be assembled from multiple parts to form at least two flame outlets. However, there may be mismatches between the multiple parts during assembly, and users need to perform multiple operations during disassembly and assembly, making the disassembly and assembly process cumbersome. Moreover, the overall structural stability of the flame cap is also poor. Utility Model Content

[0003] This application aims to at least partially solve one of the technical problems in the related art. To this end, this application proposes a fire cover.

[0004] To achieve the above objectives, this application discloses a flame cover, which is an integral structure and has a first flame outlet and a second flame outlet.

[0005] In some embodiments of this application, the flame cover includes a first cover body, a second cover body, and a third cover body. The first cover body surrounds the second cover body, the second cover body surrounds the third cover body, the first flame outlet is located between the first cover body and the second cover body, and the second flame outlet is located between the second cover body and the third cover body.

[0006] In some embodiments of this application, the fire cover further includes a first connecting rib, which is disposed between the first cover body and the second cover body. The first connecting rib, the first cover body, and the second cover body are integrated. There are multiple first connecting ribs, which are arranged alternately along the direction surrounding the second cover body.

[0007] In some embodiments of this application, a first vent hole is provided between adjacent first connecting ribs, and the first vent hole is connected to the first fire outlet seam and is located upstream of the first fire outlet seam.

[0008] In some embodiments of this application, the first vent hole and the first fire outlet slit intersect to form a first corner.

[0009] In some embodiments of this application, the fire cover further includes a second connecting rib, which is disposed between the second cover body and the third cover body. The second connecting rib, the second cover body, and the third cover body are integrated. There are multiple second connecting ribs, which are arranged alternately along the direction surrounding the third cover body.

[0010] In some embodiments of this application, a second vent hole is provided between adjacent second connecting ribs, the second vent hole is connected to the second fire outlet and is located upstream of the second fire outlet.

[0011] In some embodiments of this application, the second vent and the second fire outlet intersect to form a second corner.

[0012] In some embodiments of this application, the bottom of the first cover is provided with a first radial sealing surface and a first axial sealing surface, the bottom surface of the second cover forms a second axial sealing surface, and the bottom of the third cover is provided with a third radial sealing surface and a third axial sealing surface. The first radial sealing surface and the third radial sealing surface are adapted to radially seal with the furnace head, and the first axial sealing surface, the second axial sealing surface and the third axial sealing surface are adapted to axially seal with the furnace head.

[0013] In some embodiments of this application, one of the first and second fire slits is adapted to supply ejector air and fuel gas, and the other of the first and second fire slits is adapted to supply blower air and fuel gas.

[0014] A second aspect of this application discloses a burner comprising a burner head and the aforementioned fire cap disposed on the burner head.

[0015] A third aspect of this application discloses a gas stove, which includes the aforementioned burner.

[0016] In this application's technical solution, the flame cap is provided with a first flame outlet and a second flame outlet, and the flame cap is designed as an integrated structure. Compared with the first flame outlet and the second flame outlet formed by assembling multiple parts, the flame cap structure in this application's technical solution is more stable, easier to disassemble and assemble, and effectively avoids the probability of improper fit.

[0017] Other advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description or may be learned by practice of this application. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application 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 only some embodiments of this application. For those skilled in the art, other designs can be obtained based on the structures shown in these drawings without creative effort.

[0019] Figure 1 Schematic diagram of the burner in some embodiments;

[0020] Figure 2Exploded views of the burner in some embodiments;

[0021] Figure 3 Cross-sectional views of the burner in some embodiments;

[0022] Figure 4 for Figure 3 Enlarged view marked A in the middle;

[0023] Figure 5 This is a schematic diagram of the flame cover in some embodiments;

[0024] Figure 6 for Figure 5 Enlarged view marked B in the middle;

[0025] Figure 7 Schematic diagram of the flame cover in some embodiments (view and angle) Figure 5 different);

[0026] Figure 8 for Figure 7 Enlarged view marked C;

[0027] Figure 9 Cross-sectional view of the flame cover in some embodiments;

[0028] Figure 10 for Figure 9 Enlarged view marked with D in the middle;

[0029] Figure 11 Cross-sectional view of the fire cover in some embodiments (viewing angle and...) Figure 9 different);

[0030] Figure 12 for Figure 11 Enlarged view marked E in the middle;

[0031] Figure 13 This is a schematic diagram of the burner head in some embodiments.

[0032] Explanation of icon numbers:

[0033] Burner 1000, outer ring burner cap 1100, first cover 1110, first axial sealing surface 1111, first radial sealing surface 1112, second cover 1120, second axial sealing surface 1121, third cover 1130, third axial sealing surface 1131, third radial sealing surface 1132, first fire outlet 1141, second fire outlet 1142, first connecting rib 1151, second connecting rib 1152, first vent 1161, second vent 1162, first corner 1171, second corner 1172, furnace head 1200, first ring wall 1210, second ring wall 1220, third ring wall 1230, first cavity 1241, second cavity 1242, first ejector tube 1310, second ejector tube 1320, inner ring burner cap 1400.

[0034] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0035] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0036] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in the embodiments of this application are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0037] In this application, unless otherwise expressly specified and limited, the terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0038] Furthermore, the use of terms such as "first" and "second" in this application is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. If the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed in this application.

[0039] The first aspect of this application proposes a fire cover 1100, combined with... Figures 1 to 6 As shown, the flame cap 1100 forms an integrated structure and is provided with a first flame outlet 1141 and a second flame outlet 1142.

[0040] In this embodiment, the flame cover 1100 is provided with a first flame outlet 1141 and a second flame outlet 1142, and the flame cover 1100 is designed as an integrated structure. Compared with the first flame outlet 1141 and the second flame outlet 1142 being formed by assembling multiple parts, the flame cover 1100 in this embodiment has stronger structural stability, is easier to disassemble and assemble, and effectively avoids the probability of improper fit.

[0041] Specifically, the burner cap 1100 is a component used to supply gas ejection. It is generally made of high-temperature resistant metal materials, such as brass, cast iron, or stainless steel. It can be understood that the burner cap 1100 needs to be installed on the burner head 1200. The burner cap 1100 and the burner head 1200 together enclose a certain space. Gas enters the space between the burner cap 1100 and the burner head 1200 and then is ejected from the burner cap 1100. The gas can be fuel gas, air, or a mixture of fuel gas and air. In this embodiment, the gas refers to a mixture of fuel gas and air, and the same applies below.

[0042] The burner cap 1100 is provided with a first fire outlet 1141 and a second fire outlet 1142. The gas is ejected from the burner cap 1100 specifically from the first fire outlet 1141 and the second fire outlet 1142. The burner cap 1100 and the burner head 1200 can enclose different spaces, and the different spaces are respectively connected to the first fire outlet 1141 and the second fire outlet 1142. In this way, the gas enters the different spaces and is then ejected from the first fire outlet 1141 and the second fire outlet 1142 accordingly. Alternatively, the same space can be connected to the first fire outlet 1141 and the second fire outlet 1142.

[0043] The first flame outlet 1141 is designed to be farther from the center of the burner cap 1100 relative to the second flame outlet 1142. The center of the burner cap 1100 refers to the center of the flame outlet range. Taking the burner cap 1100 as an example when applied to a gas stove, or in other words, the gas stove includes a burner 1000, and the burner 1000 includes a burner cap 1100. When the gas stove is installed in the usage environment, the side of the gas stove closer to the ground is the bottom, and the side away from the ground is the top. Observing the burner cap 1100 from top to bottom, the first flame outlet 1141 is further outward relative to the second flame outlet 1142, and the second flame outlet 1142 is further inward relative to the first flame outlet 1141. That is, the minimum distance between the center of the first flame outlet 1141 and the center of the burner cap 1100 is greater than the minimum distance between the center of the second flame outlet and the center of the burner cap 1100. In particular, the first fire slit 1141 is roughly annular, the second fire slit 1142 is roughly annular, and the first fire slit 1141 surrounds the second fire slit 1142, thus forming a ring-shaped flame.

[0044] In related technologies, to form the first flame outlet 1141 and the second flame outlet 1142, three independent components are usually used in conjunction. For example, the burner cap 1100 includes three components, which are manufactured independently. During assembly, the three components need to be assembled onto the burner head in sequence, so that the first component surrounds the second component, and the second component surrounds the third component. The first flame outlet 1141 is formed between the first and second components, and the second flame outlet 1142 is formed between the second and third components. It can be seen that at least three assembly operations are required to form the first flame outlet 1141 and the second flame outlet 1142. Since the first, second, and third components need to cooperate with each other, this greatly increases the probability of misalignment between the components. Furthermore, when disassembling the burner cap 1100, at least three operations are also required to disassemble the three components. The entire disassembly and assembly process is cumbersome and the structural stability is poor.

[0045] To address the aforementioned issues, in this embodiment, the flame cap 1100 is designed as an integrated structure. An integrated structure means that the flame cap 1100 is a single component rather than at least two components connected by a connecting means. For example, the flame cap 1100 is formed through an integrated molding process followed by machining. Integrated molding processes include casting and forging. The integrated flame cap 1100 has a first flame outlet 1141 and a second flame outlet 1142. For instance, the first flame outlet 1141 and the second flame outlet 1142 can be formed during the integrated molding process, or the first flame outlet 1141 and the second flame outlet 1142 can be machined after the flame cap 1100 is integrally formed. Compared to related technologies that require at least three components to work together to form the first flame outlet 1141 and the second flame outlet 1142, the integrated flame cap 1100 in this embodiment forms the first flame outlet 1141 and the second flame outlet 1142 during the manufacturing process. The first flame outlet 1141 and the second flame outlet 1142 remain unchanged, avoiding uneven sizes caused by misalignment of multiple components. Because the flame cap 1100 in this embodiment is a single component, equivalent to combining three components in related technologies, this embodiment significantly reduces the number of components. The flame cap 1100 has higher structural strength and stability, is less prone to deformation, and simultaneously reduces the number of times users need to disassemble and assemble the flame cap 1100, improving the user experience.

[0046] Combination Figures 5 to 12 As shown, in some embodiments, the flame cover 1100 includes a first cover 1110, a second cover 1120, and a third cover 1130. It is understood that since the flame cover 1100 is an integral structure, the first cover 1110, the second cover 1120, and the third cover 1130 are three corresponding parts of the flame cover 1100. In this embodiment, the first cover 1110 surrounds the second cover 1120, and the first cover 1110 and the second cover 1120 are separated by a certain distance, thus forming a first flame outlet 1141 between the first cover 1110 and the second cover 1120. The second cover 1120 surrounds the third cover 1130, and the second cover 1120 and the third cover 1130 are separated by a certain distance, thus forming a second flame outlet 1142 between the second cover 1120 and the third cover 1130.

[0047] For example, the first cover 1110 is roughly annular and has a certain height in the vertical direction; the second cover 1120 is roughly annular and has a certain height in the vertical direction; the third cover 1130 is roughly annular and has a certain height in the vertical direction; the first flame outlet 1141 is located between the first cover 1110 and the second cover 1120 and is roughly annular, and the first flame outlet 1141 has a certain depth in the vertical direction; the second flame outlet 1142 is located between the second cover 1120 and the third cover 1130 and is roughly annular, and the second flame outlet 1142 has a certain depth in the vertical direction.

[0048] It is understandable that the first flame outlet 1141 is located between the first cover 1110 and the second cover 1120. Therefore, the first cover 1110 and the second cover 1120 are spaced a certain distance apart. Since the flame cover 1100 is an integrated structure, to ensure the integration of the first cover 1110 and the second cover 1120, in combination with… Figures 7 to 10 As shown, in some embodiments, the fire cover 1100 further includes a first connecting rib 1151. The first connecting rib 1151 is disposed between the first cover body 1110 and the second cover body 1120. The first cover body 1110, the first connecting rib 1151 and the second cover body 1120 are integrated. The number of first connecting ribs 1151 is multiple, which means two or more. Along the direction surrounding the second cover body 1120, the multiple first connecting ribs 1151 are designed to be arranged alternately.

[0049] Specifically, by setting a first connecting rib 1151, the first connecting rib 1151 can provide support between the first cover 1110 and the second cover 1120, thereby forming a first fire outlet 1141 between the first cover 1110 and the second cover 1120. It can be understood that since the first cover 1110 surrounds the second cover 1120, support between the first cover 1110 and the second cover 1120 needs to be provided in the direction surrounding the second cover 1120. Therefore, in this embodiment, there are multiple first connecting ribs 1151, which are arranged alternately along the direction surrounding the second cover 1120, and each first connecting rib 1151 is integrated with the first cover 1110 and the second cover 1120.

[0050] It is understandable that multiple first connecting ribs 1151 are arranged alternately, thereby forming a first vent hole 1161 between adjacent first connecting ribs 1151, so that gas can pass through. For example, after the flame cap 1100 is integrally formed, the first flame outlet 1141 and the first vent hole 1161 are formed by machining such as grooving and drilling (when forming the first vent hole 1161, the part between adjacent first vent holes 1161 constitutes the first connecting rib 1151).

[0051] Furthermore, combined Figure 10 As shown, in some embodiments, the first connecting rib 1151 is disposed upstream of the first flame outlet 1141, such that the first vent hole 1161 is located upstream of the first flame outlet 1141. That is, gas first passes through the first vent hole 1161 and then flows into the first flame outlet 1141, and finally sprays out from the first flame outlet 1141 and is ignited to form a flame. It can be understood that, since multiple first connecting ribs 1151 are arranged alternately, the multiple first vent holes 1161 formed in this way are also arranged alternately. Taking two first vent holes 1161 as an example, after the gas passes through the two first vent holes 1161, two airflows will be formed. If these two airflows directly leave the flame cap 1100, two flames will easily be formed, which is not conducive to the formation of a continuous flame in the annular direction, nor is it conducive to the flame propagation along the annular direction. Therefore, in this embodiment, the first connecting rib 1151 is disposed upstream of the first flame outlet 1141, so that the first connecting rib 1151 is located upstream of the first flame outlet 1141. A vent 1161 is located upstream of the first flame outlet 1141. Gas first passes through the first vent 1161 and then flows into the first flame outlet 1141. Continuing with the example of two first vents 1161, after the gas passes through the two first vents 1161, it will form two streams of gas. The two streams of gas do not directly leave the flame cap 1100, but enter the first flame outlet 1141. The two streams of gas can re-converge and mix in the first flame outlet 1141 before finally being ejected from the first flame outlet 1141. In this way, the formation of two flames can be avoided to the greatest extent, and a continuous flame can be formed instead.

[0052] Combination Figure 11 and Figure 12As shown, in some embodiments, a first corner 1171 is formed where the first flame outlet 1141 and the first vent 1161 intersect. The first vent 1161 constitutes the upstream flow section, and the first flame outlet 1141 constitutes the downstream flow section. During the gas ejection process, the gas flows sequentially through the first vent 1161 and the first flame outlet 1141, and finally ejects from the first flame outlet 1141. By setting the first corner 1171 between the first flame outlet 1141 and the first vent 1161, the gas needs to pass through the first corner 1171 when flowing from the first vent 1161 to the first flame outlet 1141. That is, the gas needs to turn when flowing from the first vent 1161 to the first flame outlet 1141, which is beneficial for further mixing and deceleration of the gas, and improves the uniformity and stability of the gas ejection.

[0053] Similarly, the second flame outlet 1142 is located between the second cover 1120 and the third cover 1130, with a certain distance between them. Since the flame cover 1100 is an integrated structure, to ensure the integration of the second cover 1120 and the third cover 1130, in combination with... Figures 7 to 10 As shown, in some embodiments, the fire cover 1100 further includes a second connecting rib 1152, which is disposed between the second cover 1120 and the third cover 1130. The second cover 1120, the second connecting rib 1152 and the third cover 1130 are integrated, and there are multiple second connecting ribs 1152. Along the direction surrounding the third cover 1130, the multiple second connecting ribs 1152 are designed to be arranged alternately.

[0054] Specifically, by providing a second connecting rib 1152, the second connecting rib 1152 can provide support between the second cover 1120 and the third cover 1130, thereby forming a second fire vent 1142 between the second cover 1120 and the third cover 1130. It is understood that since the second cover 1120 surrounds the third cover 1130, support between the second cover 1120 and the third cover 1130 is required in the direction surrounding the third cover 1130. Therefore, in this embodiment, there are multiple second connecting ribs 1152, which are arranged alternately along the direction surrounding the third cover 1130, and each second connecting rib 1152 is integrated with both the second cover 1120 and the third cover 1130.

[0055] It is understandable that multiple second connecting ribs 1152 are arranged alternately, thereby forming second vent holes 1162 between adjacent second connecting ribs 1152, so that gas can pass through. For example, after the flame cap 1100 is integrally formed, the second flame outlet 1142 and the second vent hole 1162 are formed by machining such as grooving and drilling (when forming the second vent hole 1162, the part between adjacent second vent holes 1162 constitutes the second connecting rib 1152).

[0056] Furthermore, combined Figure 10 As shown, in some embodiments, the second connecting rib 1152 is disposed upstream of the second flame outlet 1142, such that the second vent hole 1162 is located upstream of the second flame outlet 1142. That is, gas first passes through the second vent hole 1162 and then flows into the second flame outlet 1142, and finally sprays out from the second flame outlet 1142 and is ignited to form a flame. It can be understood that, since multiple second connecting ribs 1152 are arranged alternately, the multiple second vent holes 1162 formed in this way are also arranged alternately. Taking two second vent holes 1162 as an example, after the gas passes through the two second vent holes 1162, two airflows will be formed. If these two airflows directly leave the flame cap 1100, two flames will easily be formed, which is not conducive to the formation of a continuous flame in the annular direction, nor is it conducive to the flame propagation along the annular direction. Therefore, in this embodiment, the second connecting rib 1152 is disposed upstream of the second flame outlet 1142, so that the second connecting rib 1152 is located upstream of the second flame outlet 1142. The second vent 1162 is located upstream of the second flame outlet 1142. Gas first passes through the second vent 1162 and then flows into the second flame outlet 1142. Continuing with the example of two second vents 1162, after the gas passes through the two second vents 1162, it will form two streams of gas. The two streams of gas do not directly leave the flame cap 1100, but enter the second flame outlet 1142. The two streams of gas can re-converge and mix in the second flame outlet 1142 before finally being ejected from the second flame outlet 1142. In this way, the formation of two flames can be avoided to the greatest extent, and a continuous flame can be formed instead.

[0057] Combination Figure 12As shown, in some embodiments, a second corner 1172 is formed where the second flame outlet 1142 and the second vent 1162 intersect. The second vent 1162 constitutes the upstream flow section, and the second flame outlet 1142 constitutes the downstream flow section. During the gas ejection process, the gas flows sequentially through the second vent 1162 and the second flame outlet 1142, and finally ejects from the second flame outlet 1142. By setting the second corner 1172 between the second flame outlet 1142 and the second vent 1162, the gas needs to pass through the second corner 1172 when flowing from the second vent 1162 to the second flame outlet 1142. That is, the gas needs to turn when flowing from the second vent 1162 to the second flame outlet 1142, which is beneficial for further mixing and deceleration of the gas, and improves the uniformity and stability of the gas ejection.

[0058] Combination Figure 4 , Figure 12 and Figure 13 As shown, the bottom of the first cover 1110 is provided with a first axial sealing surface 1111 and a first radial sealing surface 1112, the bottom surface of the second cover 1120 forms a second axial sealing surface 1121, and the bottom of the third cover 1130 is provided with a third axial sealing surface 1131 and a third radial sealing surface 1132. The sealing surfaces of the first cover 1110, the second cover 1120 and the third cover 1130 can achieve sealing with the corresponding parts of the burner head 1200.

[0059] Specifically, the burner cap 1100 is applied to the burner 1000, or the burner 1000 includes the burner cap 1100 and the burner head 1200. The burner head 1200 has a first annular wall 1210, a second annular wall 1220, and a third annular wall 1230. The first annular wall 1210 surrounds the second annular wall 1220, and the second annular wall 1220 surrounds the third annular wall 1230. A first cavity is provided between the first annular wall 1210 and the second annular wall 1220. A second cavity 1242 is provided between the second annular wall 1220 and the third annular wall 1230. When the burner cap 1100 is assembled onto the burner head 1200, the first cap 1110 mates with the first annular wall 1210, the second cap 1120 mates with the second annular wall 1220, and the third cap 1130 mates with the third annular wall 1230. This allows the burner cap 1100 to be supported on the burner head 1200. The cover 1120 encloses the first cavity 1241, and the second cover 1120 and the third cover 1130 enclose the second cavity 1242. A seal needs to be formed between the first cover 1110 and the first annular wall 1210, between the second cover 1120 and the second annular wall 1220, and between the third cover 1130 and the third annular wall 1230. In this way, after the gas enters the first cavity 1241, it is difficult to leak out between the first cover 1110 and the first annular wall 1210 and between the second cover 1120 and the second annular wall 1220. Instead, it will be ejected through the first flame outlet 1141. After the gas enters the second cavity 1242, it is difficult to leak out between the second cover 1120 and the second annular wall 1220 and between the third cover 1130 and the third annular wall 1230. Instead, it will be ejected through the second flame outlet 1142. Therefore, the bottom of the first cover 1110 forms an axial seal by contacting the first annular wall 1210 through the first axial sealing surface 1111, and a radial seal by contacting the first annular wall 1210 through the first radial sealing surface 1112. The third cover 1130 is similar; its bottom forms an axial seal by contacting the third annular wall 1230 through the third axial sealing surface 1131, and a radial seal by contacting the third annular wall 1230 through the third radial sealing surface 1132. The bottom surface of the second cover 1120 constitutes the second axial sealing surface 1121. The axial sealing surface 1121 contacts the second annular wall 1220 to achieve axial sealing. The effect of simple axial sealing is not as good as that of both axial and radial sealing, but it still has a certain sealing effect. Since the second cover 1120 is located between the first cover 1110 and the third cover 1130, even if there is air leakage between the second cover 1120 and the second annular wall 1220, the gas will only enter the second cavity 1242 from the first cavity 1241 or the first cavity 1241 from the second cavity 1242, and will not leak to the outside. This solution can also reduce the processing complexity of the flame cover 1100.

[0060] In some embodiments, the first flame outlet 1141 is used to supply gas and ejector air for ejection, and the second flame outlet 1142 is used to supply gas and blower air for ejection, as described below in conjunction with a gas stove.

[0061] The first flame outlet 1141 is used to supply gas and ignition air for ejection. The gas and ignition air enter the interior of the burner 1000 and are finally ejected from the interior of the burner 1000 through the first flame outlet 1141, where they are ignited to form a flame. Specifically, the burner head 1200 is equipped with a first ejector tube 1310, which is connected to the first cavity 1241. The gas supply can come from bottled liquefied petroleum gas or piped natural gas. The gas stove includes a valve body. After the valve body is opened, the gas is transmitted along the gas pipeline. The gas flows through the valve body and is sprayed out through the nozzle. The nozzle is aligned with the first ejector tube 1310. During the process of the gas being injected into the first ejector tube 1310, a negative pressure is formed on the surrounding environment, so that the air in the surrounding environment is synchronously ejected into the first ejector tube 1310 along with the gas injection (this part of the air that enters the first ejector tube 1310 through the ejection action is called ejector air, and the ejector air is primary air). Finally, the gas and the ejector air enter the first cavity 1241 and are finally sprayed out from the first flame outlet 1141 and then ignited to form a flame.

[0062] The second flame outlet 1142 is used to supply gas and forced air for injection. The gas and forced air enter the interior of the burner 1000 and are finally ejected from the interior of the burner 1000 through the second flame outlet 1142, where they are ignited to form a flame. Specifically, the burner head 1200 is provided with a second ejector tube 1320, which is connected to the second cavity 1242. The gas supply can come from bottled liquefied petroleum gas or piped natural gas. The gas stove includes a valve body. After the valve body is opened, the gas is transmitted along the gas pipeline. The gas flows through the valve body and is ejected through the nozzle, which is aligned with the second ejector tube 1320. Forced air is supplied simultaneously during the process of gas injection into the second ejector tube 1320. The forced air is generated by fluid machinery, such as by forced air supply from a fan. The forced air enters the second ejector tube 1320 and enters the second cavity 1242 together with the gas (the forced air is primary air), and is finally ejected from the second flame outlet 1142. Compared to ejector air, forced air can provide more oxygen, which allows the gas ejected from the second flame outlet 1142 to be in a rich oxygen combustion state, thus ensuring the complete combustion of the gas ejected from the second flame outlet 1142.

[0063] When the ejector air from the first flame outlet 1141 is insufficient to support the combustion of the gas ejected from the first flame outlet 1141, secondary air replenishment is required. Since the second flame outlet 1142 ejects forced-air air, it provides sufficient oxygen. This allows the forced-air air from the second flame outlet 1142 to not only participate in the combustion of the gas ejected from the second flame outlet 1142 but also to provide excess oxygen to replenish the gas ejected from the first flame outlet 1141, thus assisting the combustion of the gas ejected from the first flame outlet 1141. The combustion of the ejected gas relies more on the extra oxygen provided by the forced-air air ejected from the second flame outlet 1142 to the gas ejected from the first flame outlet 1141, rather than on the secondary air being replenished from the surrounding environment through entrainment. This arrangement ensures that the gas ejected from the first flame outlet 1141 is fully combusted (in this case, the flame generated by the first flame outlet 1141 can still entrain secondary air from the surrounding environment to participate in combustion), ultimately resulting in the full combustion of the gas ejected from both the first flame outlet 1141 and the second flame outlet 1142.

[0064] It is understood that in other embodiments, the first flame outlet 1141 may be used to supply gas and blower air for ejection, and the second flame outlet 1142 may be used to supply gas and ejector air for ejection. The principle can be found in the scheme where the first flame outlet 1141 supplies gas and ejector air for ejection and the second flame outlet 1142 supplies gas and blower air for ejection, and will not be repeated here.

[0065] The second aspect of this application discloses a burner 1000, combined with... Figures 1 to 13 As shown, the burner 1000 includes a burner head 1200 and the aforementioned burner cap 1100. The burner cap 1100 forms an integrated structure and is provided with a first flame outlet 1141 and a second flame outlet 1142. In this embodiment, the burner cap 1100 is provided with the first flame outlet 1141 and the second flame outlet 1142, and the burner cap 1100 is designed as an integrated structure. Compared to assembling the first flame outlet 1141 and the second flame outlet 1142 through multiple components, the burner cap 1100 in this embodiment has stronger structural stability, is easier to disassemble and assemble, and effectively avoids the probability of improper fit.

[0066] Specifically, the flame cap 1100 is designed as a single-piece structure. "Single-piece" means that the flame cap 1100 is a single component rather than at least two components connected by a joint. For example, the flame cap 1100 is manufactured through a one-piece molding process followed by machining. One-piece molding processes include casting and forging. The one-piece flame cap 1100 has a first flame outlet 1141 and a second flame outlet 1142. For instance, the first flame outlet 1141 and the second flame outlet 1142 can be formed during the one-piece molding process, or the first flame outlet 1141 and the second flame outlet 1142 can be machined after the flame cap 1100 is one-piece molded. Compared to related technologies that require at least three components to work together to form the first flame outlet 1141 and the second flame outlet 1142, the integrated flame cap 1100 in this embodiment forms the first flame outlet 1141 and the second flame outlet 1142 during the manufacturing process. The first flame outlet 1141 and the second flame outlet 1142 remain unchanged, avoiding uneven sizes caused by misalignment of multiple components. Because the flame cap 1100 in this embodiment is a single component, equivalent to combining three components in related technologies, this embodiment significantly reduces the number of components. The flame cap 1100 has higher structural strength and stability, is less prone to deformation, and simultaneously reduces the number of times users need to disassemble and assemble the flame cap 1100, improving the user experience.

[0067] In this embodiment, the burner cap 1100 forms an outer ring burner cap 1100, and the burner 1000 also includes an inner ring burner cap 1400, with the outer ring burner cap 1100 surrounding the inner ring burner cap 1400.

[0068] It is understood that the burner cap 1100 of the burner 1000 in this embodiment adopts the technical solution of the above embodiment, and therefore has at least the beneficial effects brought about by the technical solution of the above embodiment, which will not be repeated here.

[0069] The third aspect of this application discloses a gas stove, which includes the burner 1000 described above. It is understood that the burner 1000 of the gas stove in this embodiment adopts the technical solution of the above embodiment, and therefore has at least the beneficial effects brought about by the technical solution of the above embodiment, which will not be repeated here.

[0070] The above description is merely a preferred embodiment of this application and does not limit the patent scope of this application. Any equivalent structural transformations made based on the concept of this application and the contents of the specification and drawings of this application, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this application.

Claims

1. A flame cap (1100), characterized in that, The flame cap (1100) is an integrated structure, and the flame cap (1100) is provided with a first flame outlet (1141) and a second flame outlet (1142); The flame cover (1100) includes a first cover body (1110), a second cover body (1120), and a third cover body (1130). The first cover body (1110) surrounds the second cover body (1120), and the second cover body (1120) surrounds the third cover body (1130). The first flame outlet (1141) is located between the first cover body (1110) and the second cover body (1120), and the second flame outlet (1142) is located between the second cover body (1120) and the third cover body (1130).

2. The flame cap (1100) as described in claim 1, characterized in that, The fire cover (1100) further includes a first connecting rib (1151), which is disposed between the first cover body (1110) and the second cover body (1120). The first connecting rib (1151), the first cover body (1110) and the second cover body (1120) are integrated. There are multiple first connecting ribs (1151), which are arranged alternately in the direction surrounding the second cover body (1120).

3. The flame cap (1100) as described in claim 2, characterized in that, A first vent hole (1161) is provided between adjacent first connecting ribs (1151). The first vent hole (1161) is connected to the first fire outlet seam (1141) and is located upstream of the first fire outlet seam (1141).

4. The flame cap (1100) as described in claim 3, characterized in that, The first vent (1161) and the first fire outlet (1141) intersect to form a first corner (1171).

5. The flame cap (1100) as described in claim 1, characterized in that, The fire cover (1100) further includes a second connecting rib (1152), which is disposed between the second cover body (1120) and the third cover body (1130). The second connecting rib (1152), the second cover body (1120) and the third cover body (1130) are integrated. There are multiple second connecting ribs (1152), which are arranged alternately in the direction surrounding the third cover body (1130).

6. The flame cap (1100) as described in claim 5, characterized in that, A second vent hole (1162) is provided between adjacent second connecting ribs (1152). The second vent hole (1162) is connected to the second fire outlet seam (1142) and is located upstream of the second fire outlet seam (1142).

7. The flame cap (1100) as described in claim 6, characterized in that, The second vent (1162) and the second fire outlet (1142) intersect to form a second corner (1172).

8. The flame cap (1100) as described in claim 1, characterized in that, The bottom of the first cover (1110) is provided with a first radial sealing surface (1112) and a first axial sealing surface (1111), the bottom surface of the second cover (1120) forms a second axial sealing surface (1121), and the bottom of the third cover (1130) is provided with a third radial sealing surface (1132) and a third axial sealing surface (1131). The first radial sealing surface (1112) and the third radial sealing surface (1132) are adapted to radially seal with the furnace head (1200), and the first axial sealing surface (1111), the second axial sealing surface (1121) and the third axial sealing surface (1131) are adapted to axially seal with the furnace head (1200).

9. The flame cap (1100) as described in claim 1, characterized in that, One of the first fire outlet slit (1141) and the second fire outlet slit (1142) is adapted to supply ejector air and gas, and the other of the first fire outlet slit (1141) and the second fire outlet slit (1142) is adapted to supply blower air and gas.

10. A burner (1000), characterized in that, The burner (1000) includes a burner head (1200) and a burner cap (1100) provided on the burner head (1200) according to any one of claims 1 to 9.

11. A gas stove, characterized in that, The gas stove includes the burner (1000) as described in claim 10.

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