Gas stove

Abstract

The invention discloses a gas stove, relates to the technical field of stoves, and aims to solve the problem that flames leave when the gas stove is used. The gas stove comprises a burner and a burner cap assembly. An inner ring gas mixing cavity with an opening and an outer ring gas mixing cavity with an opening are formed in the furnace end. The fire cover assembly covers the opening and communicates with the inner ring gas mixing cavity and the outer ring gas mixing cavity, and fuel flows out of the fire cover and is ignited to form flames. Wherein the inner ring fire cover is provided with inner ring fire holes, the inner ring fire cover is further provided with a first flame stabilizing structure and a second flame stabilizing structure, the first flame stabilizing structure comprises first gap fire holes, the second flame stabilizing structure comprises second gap fire holes, and the first gap fire holes and the second gap fire holes are both communicated with the inner ring gas mixing cavity and are both formed in the peripheral face of the inner ring fire cover. The inner ring fire holes are located between the first gap fire holes and the second gap fire holes. The first flame stabilizing structure and the second flame stabilizing structure can heat the upper portion and the lower portion of the inner ring fire hole, the flame energy is improved, the combustion rate is increased, and the flame leaving phenomenon is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of stoves, and in particular to a gas stove. Background Art

[0002] A gas stove refers to a kitchen appliance that uses liquefied petroleum gas, artificial gas, natural gas and other gases as fuel for heating.

[0003] When using a gas stove, the flame should burn stably on the burner's flame outlet. However, for some reasons, the flame may stray.

[0004] When the flame separation phenomenon occurs, the flame that should be stably attached to the fire outlet of the burner will separate from the fire outlet and rise upward, resulting in reduced fuel combustion efficiency, incomplete combustion of the fuel, and increased smoke. Summary of the Invention

[0005] The purpose of the present invention is to provide a gas stove, aiming to solve the problem of flame separation during combustion of the gas stove.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] The present invention provides a gas stove comprising a burner and a flame cover assembly. The burner forms an inner ring gas mixing chamber and an outer ring gas mixing chamber with openings. The flame cover assembly is disposed over the burner opening and includes an inner ring flame cover and an outer ring flame cover. The inner ring flame cover defines an inner ring fire hole, which communicates with the inner ring gas mixing chamber. The outer ring flame cover defines an outer ring fire hole, which communicates with the outer ring gas mixing chamber.

[0008] The inner ring fire cover also has a first flame stabilizing structure and a second flame stabilizing structure. The first flame stabilizing structure may include a first slit fire hole. The first slit fire hole is connected to the inner ring gas mixing chamber of the inner ring fire cover. The first slit fire hole is provided on the outer peripheral surface of the inner ring fire cover and is arranged along the circumference of the inner ring fire cover. The second flame stabilizing structure may include a second slit fire hole. The second slit fire hole is connected to the inner ring gas mixing chamber. The second slit fire hole is provided on the outer peripheral surface of the inner ring fire cover and is arranged along the circumference of the inner ring fire cover.

[0009] In addition, the inner ring fire hole is opened on the outer peripheral surface of the inner ring fire cover and is located between the first slit fire hole and the second slit fire hole.

[0010] In this way, the gas and primary air can mix in the inner and outer ring mixing chambers to form a mixed gas. This gas then flows out of the fire cover assembly and ignites to form a flame. The gas and primary air mixed in the inner ring mixing chamber can flow out of the inner ring fire hole in the inner ring fire cover and ignite to form a flame. The gas and primary air mixed in the outer ring mixing chamber can flow out of the outer ring fire hole in the outer ring fire cover and ignite to form a flame.

[0011] While the mixed gas in the inner ring mixing chamber flows out from the inner ring fire hole and is ignited to form an inner ring flame, a portion of the mixed gas can flow out through the first slit fire hole and be ignited at the first slit fire hole to form a flame. Another portion of the mixed gas can flow out through the second slit fire hole and be ignited at the second slit fire hole to form a flame. The first slit fire hole and the second slit fire hole, respectively located on the upper and lower sides of the inner ring fire hole, can heat the upper and lower parts of the inner ring flame. The flames formed at the first slit fire hole and the second slit fire hole can heat the inner ring flame and increase the flame energy, thereby accelerating the flame burning rate to a certain extent, thereby reducing the phenomenon of flame separation. In some embodiments, the first flame stabilizing structure also includes a first ventilation hole, one end of the first ventilation hole is connected to the first slit fire hole, the other end of the first ventilation hole is connected to the inner ring mixing chamber, and the first slit fire hole is connected to the inner ring mixing chamber through the first ventilation hole. The second flame stabilizing structure also includes a second ventilation hole, one end of the second ventilation hole is connected to the second gap fire hole, the other end of the second ventilation hole is connected to the inner ring gas mixing chamber, and the second gap fire hole is connected to the inner ring gas mixing chamber through the second ventilation hole.

[0012] In some embodiments, the inner ring fire cover includes a first boss and a second boss. The first boss defines a first through-hole extending therethrough, one end of the first through-hole communicating with the inner ring gas mixing chamber. A first slit fire hole is defined along the outer circumference of the first boss, and a first air vent is defined on the inner wall of the first boss. One end of the first air vent communicates with the first slit fire hole, and the other end of the first air vent communicates with the first through-hole, thereby forming a first flame stabilization structure. The second boss is located on a side of the first boss away from the burner head, and defines a blind hole, one end of which communicates with the first through-hole. An inner ring fire hole is defined on the inner wall of the second boss, and a second slit fire hole is defined along the outer circumference of the second boss. The second air vent is defined on the inner wall of the second boss, one end of the second air vent communicates with the second slit fire hole, and the other end of the second air vent communicates with the blind hole, thereby forming a second flame stabilization structure. The axis of the first through-hole coincides with the axis of the blind hole, and the diameter of the blind hole is smaller than that of the first through-hole.

[0013] In some embodiments, the first ventilation hole is arranged obliquely. One end of the first ventilation hole connected to the first through hole is located on a side away from the second boss, while the other end of the first ventilation hole connected to the first slit fire hole is located on a side away from the second boss.

[0014] In some embodiments, the inner wall of the second boss includes a side wall and a top wall, the inner ring fire hole is opened on the side wall, the second ventilation hole is opened on the top wall, and the extension direction of the second ventilation hole is parallel to the axial direction of the blind hole.

[0015] In some embodiments, a flame stabilizing groove is provided on the outer ring fire cover. The flame stabilizing groove is provided on the outer peripheral surface of the outer ring fire cover and is arranged along the circumference of the outer ring fire cover. The flame stabilizing groove is connected to the outer ring gas mixing chamber.

[0016] In some embodiments, the flame stabilizing groove has a first port and a second port arranged relatively to each other, and the first port is connected to the second port; wherein the first port of the flame stabilizing groove is connected to the outer ring fire hole, and the second port of the flame stabilizing groove is connected to the outside of the outer ring fire cover.

[0017] In some embodiments, the flame stabilization groove is closer to the burner head than the outer ring fire holes.

[0018] In some embodiments, the outer ring fire cover is further provided with a fire avoidance area. Multiple outer ring fire holes are arranged circumferentially along the outer circumference of the outer ring fire cover, with the fire avoidance area located between the multiple outer ring fire holes along their arrangement direction. The outer ring fire cover is also provided with a flame transfer hole, one end of which communicates with the outer ring gas mixing chamber and the other end of which communicates with the flame stabilization groove. The flame transfer hole is located on the side of the fire avoidance area near the burner head.

[0019] In some embodiments, a gas stove includes a burner and a fire cover assembly. The burner forms an inner ring gas mixing chamber and an outer ring gas mixing chamber with an opening. The fire cover assembly is disposed over the opening, and the fire cover assembly includes an inner ring fire cover and an outer ring fire cover. The inner ring fire cover is provided with an inner ring fire hole, which is connected to the inner ring gas mixing chamber, and the outer ring fire cover is provided with an outer ring fire hole, which is connected to the outer ring gas mixing chamber. The inner ring fire cover includes a first boss, a first sub-boss, and a second sub-boss. The first vent is provided on the inner wall of the first boss, the first sub-boss has a first gap between the first sub-boss and the first boss, and the first vent is connected to the first gap. The first sub-boss includes a side wall and a top wall, the inner ring fire hole is provided on the side wall, and the top wall has a second vent. The second sub-boss is located on a side of the first sub-boss away from the first boss, the second sub-boss has a second gap between the second sub-boss and the first sub-boss, and the second gap is connected to the second vent. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0021] Figure 1 This is one of the schematic diagrams of a gas stove provided in an embodiment of the present application;

[0022] Figure 2 This is one of the partial enlarged views of a gas stove provided in an embodiment of the present application;

[0023] Figure 3 This is a second schematic diagram of a gas stove provided in an embodiment of the present application;

[0024] Figure 4 This is a third schematic diagram of a gas stove provided in an embodiment of the present application;

[0025] Figure 5 This is a fourth schematic diagram of a gas stove provided in an embodiment of the present application;

[0026] Figure 6 This is a fifth schematic diagram of a gas stove provided in an embodiment of the present application;

[0027] Figure 7 A cross-sectional view of a gas stove provided in an embodiment of the present application;

[0028] Figure 8 This is one of the schematic diagrams of an inner ring fire cover provided in an embodiment of the present application;

[0029] Figure 9 A second partially enlarged view of a gas stove provided in an embodiment of the present application;

[0030] Figure 10 This is a second schematic diagram of an inner ring fire cover provided in an embodiment of the present application;

[0031] Figure 11 This is a third schematic diagram of an inner ring fire cover provided in an embodiment of the present application;

[0032] Figure 12 This is a fourth schematic diagram of an inner ring fire cover provided in an embodiment of the present application;

[0033] Figure 13 This is a fifth schematic diagram of an inner ring fire cover provided in an embodiment of the present application;

[0034] Figure 14 One of the schematic diagrams of an outer ring fire cover provided in an embodiment of the present application;

[0035] Figure 15 This is a second schematic diagram of an outer ring fire cover provided in an embodiment of the present application;

[0036] Figure 16 This is one of the partial enlarged views of an outer ring fire cover provided in an embodiment of the present application;

[0037] Figure 17This is a second partial enlarged view of an outer ring fire cover provided in an embodiment of the present application;

[0038] Figure 18 This is the third schematic diagram of an outer ring fire cover provided in an embodiment of the present application.

[0039] Reference numerals:

[0040] 100-gas stove; 11-housing; 10-installation cavity; 12-panel; 120-avoidance hole; 121-liquid tray;

[0041] 13-burner; 130-burner head; 1300-fire cover seat; 1301-inner ring mixing chamber; 1302-outer ring mixing chamber; 1303-secondary air channel; 1304-connecting channel;

[0042] 14-valve body; 15-knob; 150-knob mounting hole; 151-knob waterproof ring; 16-ignition needle; 17-thermocouple;

[0043] 2-fire cover assembly; 21-inner ring fire cover; 210-inner ring fire hole; 22-outer ring fire cover; 220-outer ring fire hole; 211-first boss; 2110-first through hole; 212-second boss; 2120-second through hole; 2121-first sub-boss; 21210-top wall; 21211-side wall; 2122-second sub-boss;

[0044] 3-first flame stabilizing structure; 31-first slit flame hole; 32-first ventilation hole; 310-first slit;

[0045] 4-second flame stabilizing structure; 41-second slit flame hole; 42-second ventilation hole; 410-second slit;

[0046] 5-flame stabilizing tank; 51-first port; 52-second port;

[0047] 60- Fire avoidance area; 61- Fire transmission hole. DETAILED DESCRIPTION

[0048] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0049] In the description of the present invention, it should be understood that the terms "upper," "lower," "left," "right," "front," "back," "inner," "outer," and the like, indicating directions or positional relationships, are based on the directions or relative positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction. Therefore, they should not be construed as limitations on the present invention. Unless otherwise specified, the above-mentioned directions may be flexibly set in actual application, provided that the relative positional relationships shown in the accompanying drawings are met.

[0050] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0051] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connected," and "communicated" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections. They may be directly connected, indirectly connected through an intermediary, or internally connected between two components. Those skilled in the art will understand the specific meanings of these terms in the present invention based on specific circumstances.

[0052] In embodiments of the present invention, the terms "comprises," "comprising," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, article, or apparatus comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, article, or apparatus. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of other identical elements in the process, article, or apparatus comprising the element.

[0053] In the embodiments of the present invention, words such as "exemplary" or "for example" are used to indicate examples, illustrations, or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of the present invention should not be construed as being preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "for example" is intended to present the relevant concepts in a concrete manner.

[0054] This application provides a gas stove, such as Figure 1As shown, the gas stove 100 may include a housing 11, a panel 12, and a burner 13. The housing 11 forms an installation cavity 10 with an opening. The housing 11 is mainly used to install relevant components of the gas stove 100, such as the burner 13, the gas control system, and the electronic ignition component.

[0055] The burner 13 is a core component of the gas stove 100 and can be disposed in the mounting cavity 10 of the housing 11. The burner 13 can mix the gas and the primary air in a certain manner, and the mixed gas flows out of the burner 13 and is ignited to form a flame.

[0056] Based on this, the panel 12 is covered on the opening of the housing 11. The panel 12 is used to cover the installation cavity 10, so that the panel 12 can protect the components arranged in the installation cavity 10.

[0057] In addition, the panel 12 is provided with an avoidance hole 120, and the burner 13 is arranged opposite to the avoidance hole 120, so that the burner 13 can be located within the opening range of the avoidance hole 120. In this way, when the burner 13 burns fuel to generate flames, the panel 12 will not affect the normal operation of the burner 13.

[0058] In addition to the above main components, the gas stove 100 also includes some components that are indispensable for realizing the gas stove 100. These components include a valve body 14 and a knob 15 (see Figure 1 ), as well as the ignition needle 16 and the thermocouple 17 (see Figure 2 ).

[0059] The valve body 14 controls the flow of gas. A knob 15 is connected to the valve body 14, allowing the user to control ignition and flame size. Turning the knob 15 ignites the gas, which then burns to form a flame. If the gas stove 100 stalls, the thermocouple 17 senses the flameout and, through appropriate manipulation, closes the valve body 14, stopping gas flow.

[0060] The gas stove 100 may further include some components to improve the gas stove 100. Figure 1 As shown, a knob mounting hole 150 is further provided on the panel 12 , and the knob 15 is installed in the knob mounting hole 150 .

[0061] In this case, in order to prevent the liquid accidentally overflowing from the pot from flowing into the mounting cavity 10 of the housing 11 through the knob mounting hole 150, the gas stove 100 may further include a knob waterproof ring 151, which is provided at the knob mounting hole 150 to prevent the overflowing liquid from flowing into the interior of the housing 11 through the knob mounting hole 150.

[0062] Similarly, spilled liquid may flow into the interior of the housing 11 through the escape hole 120 on the panel 12. Therefore, a liquid collecting pan 121 is provided at the escape hole 120, into which the spilled liquid can flow. To further prevent the spilled liquid from flowing into the interior of the housing 11, a liquid collecting pan waterproof ring may be provided around the periphery of the liquid collecting pan 121 for further sealing.

[0063] As can be seen from the above, the burner 13 is the core component of the gas stove 100, and the burner 13 will be further described below. Figure 3 As shown, the burner 13 may include a burner head 130. The burner head 130 forms an inner annular gas mixing chamber 1301 and an outer annular gas mixing chamber 1302 with openings. The fuel gas and the primary air may be mixed in the inner annular gas mixing chamber 1301 and the outer annular gas mixing chamber 1302 to form a mixed gas.

[0064] like Figure 4 As shown, the burner 13 may further include a fire cover assembly 2 , which is disposed on the opening of the burner head 130 .

[0065] See also Figure 5 The fire cover assembly 2 may include an inner ring fire cover 21, on which an inner ring fire hole 210 is opened, and the inner ring fire hole 210 is connected to the inner ring gas mixing chamber 1301 (see Figure 7 In this way, the fuel gas and primary air mixed in the inner ring gas mixing chamber 1301 can flow out from the inner ring fire hole 210 opened on the inner ring fire cover 21 and be ignited to form an inner ring flame.

[0066] Continue to see Figure 5 The fire cover assembly 2 may further include an outer ring fire cover 22. The outer ring fire cover 22 is provided with an outer ring fire hole 220, which is connected to the outer ring gas mixing chamber 1302 (see FIG. Figure 7 ). The gas and primary air mixed in the outer ring gas mixing chamber 1302 can flow out from the outer ring fire hole 220 opened on the outer ring fire cover 22 and be ignited to form an outer ring flame.

[0067] For example, Figure 5 As shown, the gas stove 100 provided in this application may also include a fire cover seat 1300. One end of the fire cover seat 1300 is mounted on the opening of the burner head 130 and communicates with the outer ring gas mixing chamber 1302. The outer ring fire cover 22 of the fire cover assembly 2 is mounted on the other end of the fire cover seat 1300, and the outer ring fire hole 220 communicates with the outer ring gas mixing chamber 1302 through the fire cover seat 1300.

[0068] In addition, if Figure 5As shown, the fire cover seat 1300 is further provided with a secondary air passage 1303. The secondary air passage 1303 can supplement the secondary air necessary for flame combustion to ensure that the mixed gas can fully burn.

[0069] like Figure 6 As shown, a connecting passage 1304 is formed within the fire cover base 1300, allowing the outer ring mixing chamber 1302 to communicate with the outer ring fire cover through the connecting passage 1304, thereby flowing out of the outer ring fire holes 220 and igniting to form a flame. Simultaneously, a secondary air passage 1303 is formed on the exterior of the fire cover base 1300 and is not connected to the connecting passage 1304.

[0070] The secondary air passages 1303 are formed along the outer circumferential surface of the fire cover base 1300, and the number of secondary air passages 1303 can be multiple, for example, the number of secondary air passages 1303 can be multiple. Based on this, the multiple secondary air passages 1303 are formed at intervals along the circumference of the fire cover base 1300, so that secondary air can flow more evenly through the multiple secondary air passages 1303 into the area where the inner ring fire cover 21 is located, providing secondary air for the combustion of the inner ring flame and the outer ring flame, thereby ensuring that the inner ring flame and the outer ring flame can burn fully and reduce smoke indicators.

[0071] Based on this, when using the gas stove 100, after the gas and primary air are mixed in the burner 130, they can flow out from the inner ring fire hole 210 of the inner ring fire cover 21 and the outer ring fire hole 220 of the outer ring fire cover 22 respectively, and be ignited to form an inner ring flame and an outer ring flame respectively, thereby heating the bottom of the pot.

[0072] However, during the use of the gas stove 100, flame separation may occur, where the flame separates from the fire hole and moves upward. This will reduce the combustion efficiency of the gas and increase the generation of smoke. In order to solve this problem, Figure 8 As shown, the inner ring fire cover 21 provided in the present application is provided with a first flame stabilization structure 3. The first flame stabilization structure 3 may include a first slit fire hole 31. The first slit fire hole 31 is connected to the inner ring gas mixing chamber 1301 of the inner ring fire cover 21. The first slit fire hole 31 is provided on the outer peripheral surface of the inner ring fire cover 21 and is arranged along the circumference of the inner ring fire cover 21.

[0073] In this way, while the mixed gas in the inner ring gas mixing chamber 1301 flows out from the inner ring flame holes 210 and is ignited to form an inner ring flame, a portion of the mixed gas can also flow out through the first slit flame holes 31 and be ignited to form a flame at the first slit flame holes 31. The flame formed at the first slit flame holes 31 can heat the inner ring flame, increasing the flame energy, thereby accelerating the flame combustion rate to a certain extent and reducing the flame separation phenomenon.

[0074] On this basis, if Figure 8 As shown, the inner ring fire cover 21 provided in the present application is further provided with a second flame stabilizing structure 4, which may include second slit fire holes 41. The second slit fire holes 41 are connected to the inner ring gas mixing chamber 1301. The second slit fire holes 41 are provided on the outer peripheral surface of the inner ring fire cover 21 and are arranged along the circumference of the inner ring fire cover 21.

[0075] In this way, while the mixed gas in the inner ring gas mixing chamber 1301 flows out from the inner ring flame holes 210 and is ignited to form an inner ring flame, a portion of the mixed gas can also flow out through the second slit flame holes 41 and be ignited to form a flame at the second slit flame holes 41. The flame formed at the second slit flame holes 41 can heat the inner ring flame, increasing the flame energy, thereby accelerating the flame combustion rate to a certain extent, thereby reducing the flame separation phenomenon.

[0076] It should be noted that the occurrence of flame lift is mainly due to the flame burning rate being lower than the rate at which the mixed gas flows out of the flame outlet. Therefore, heating the flame to increase the flame burning rate can avoid or reduce the flame lift phenomenon.

[0077] In addition, it should be noted that the inner ring fire hole 210 is opened on the outer peripheral surface of the inner ring fire cover 21. Further, the inner ring fire hole 210 is located between the first gap fire hole 31 and the second gap fire hole 41 (see Figure 8 ).

[0078] In this way, the first slit fire hole 31 and the second slit fire hole 41 respectively located on the upper and lower sides of the inner ring fire hole 210 can heat the upper and lower parts of the inner ring flame, thereby increasing the combustion rate of the flame.

[0079] The first slit fire hole 31 is located below the inner ring fire hole 210, and the second slit fire hole 41 is located above the inner ring fire hole 210 as an example for explanation (see Figure 8 ).

[0080] When the gas stove 100 is in operation, the mixed gas flows out through the inner ring flame holes 210 and ignites to form an inner ring flame. Simultaneously, a portion of the mixed gas flows out through the first slit flame holes 31 located below the inner ring flame holes 210 and ignites there to form a flame. The flame formed by the first slit flame holes 31 heats the base of the inner ring flame, increasing its energy and boosting its combustion rate. This reduces flame lift and improves flame stability.

[0081] Furthermore, when the gas stove 100 is operating, a portion of the mixed gas can flow out through the second slit flame holes 41 located above the inner ring flame holes 210 and ignite to form a flame. The flame formed by the second slit flame holes 41 can heat the upper portion of the inner ring flame, increasing the energy of the upper portion of the inner ring flame, and ensuring that the mixed gas flowing out of the inner ring flame holes 210 is fully combusted.

[0082] In this way, the first slit fire hole 31 and the second slit fire hole 41 heat the root and top of the inner ring flame respectively to increase the flame energy of the inner ring fire, ensure that the inner ring fire burns fully and stably, and reduce the occurrence of flame separation.

[0083] For example, see Figure 8 The slits of the first slit fire holes 31 extend in parallel with the slits of the second slit fire holes 41. This ensures that the first slit fire holes 31 below the inner ring fire holes 210 can heat the base of the inner ring fire, increasing its energy. Furthermore, the second slit fire holes 41 above the inner ring fire holes 210 can heat the top of the inner ring fire, ensuring full combustion and improving flame stability.

[0084] As can be seen from the above, the first flame stabilizing structure 3 and the second flame stabilizing structure 4 are connected to the inner ring gas mixing cavity 1301 (see Figure 9 ), so that the mixed gas can flow out through the first flame stabilizing structure 3 and the second flame stabilizing structure 4 and be ignited to form a flame, thereby further heating the inner ring fire and increasing the energy of the inner ring fire.

[0085] Next, the first flame stabilizing structure 3 is taken as an example to illustrate that in some embodiments of the present application, Figure 10 As shown, the first slit flame hole 31 of the first flame stabilizing structure 3 can communicate with the inner ring flame hole 210. This allows the first flame stabilizing structure 3 to communicate with the inner ring gas mixing chamber 1301 via the inner ring flame hole 210, allowing the mixed gas in the inner ring gas mixing chamber 1301 to flow into the first slit flame hole 31 and ignite to form a flame. The flame formed at the first slit flame hole 31 can heat the inner ring flame, increasing its flame energy and reducing the occurrence of flame lift.

[0086] It is understandable that the second flame stabilizing structure 4 can also be connected to the inner ring gas mixing chamber 1301 by being connected to the inner ring fire hole 210, which will not be described in detail here.

[0087] like Figure 11 As shown, the first flame stabilizing structure 3 may further include a first vent hole 32. One end of the first vent hole 32 is connected to the first slit flame hole 31, and the other end is connected to the inner ring gas mixing cavity 1301 (see Figure 9). Thus, the first slit flame hole 31 can communicate with the inner ring gas mixing chamber 1301 through the first vent hole 32, allowing the mixed gas in the inner ring gas mixing chamber 1301 to flow into the first slit flame hole 31 through the first vent hole 32, then flow out of the first slit flame hole 31 and ignite to form a flame. The resulting flame can heat the inner ring fire, increasing the flame energy of the inner ring fire.

[0088] Another example Figure 12 As shown, the second flame stabilizing structure 4 may further include a second vent hole 42. Figure 13 As shown, the number of second air vents 42 can be multiple, and the multiple second air vents are arranged at intervals around the circumference. One end of the second air vent 42 is connected to the second slit fire hole 41, and the other end is connected to the inner ring gas mixing chamber 1301. In this way, the second slit fire hole 41 can be connected to the inner ring gas mixing chamber 1301 through the second air vent 42, so that the mixed gas in the inner ring gas mixing chamber 1301 can flow into the second slit fire hole 41 through the second air vent 42, and then flow out of the second slit fire hole 41 and ignite to form a flame. The flame formed at the second slit fire hole 41 can heat the inner ring fire flame, thereby increasing the energy of the inner ring fire flame and reducing the occurrence of flame separation.

[0089] As can be seen from the above, the inner ring fire cover 21 is provided with an inner ring fire hole 210 , a first flame stabilizing structure 3 and a second flame stabilizing structure 4 . The structure of the inner ring fire cover 21 will be further described below with reference to the accompanying drawings.

[0090] like Figure 12 As shown, the inner ring fire cover 21 may include a first boss 211. The first boss 211 defines a first through hole 2110 that passes through the first boss 211. One end of the first through hole 2110 is in communication with the inner ring gas mixing chamber 1301.

[0091] Based on this, the first slit fire hole 31 is opened along the outer peripheral surface of the first boss 211. Figure 12 As shown, the first ventilation hole 32 is opened on the inner wall surface of the first boss 211 , and one end of the first ventilation hole 32 is connected to the first slit fire hole 31 , and the other end is connected to the first through hole 2110 to form the first flame stabilizing structure 3 .

[0092] For example, there may be a plurality of the first ventilation holes 32 , and the plurality of first ventilation holes 32 are spaced apart along the inner wall of the first boss 211 .

[0093] In this way, the mixed gas in the inner ring mixing chamber 1301 can flow into the first through hole 2110, and then flow through the first ventilation hole 32 and the first slit fire hole 31 in sequence. The mixed gas flows out of the first slit fire hole 31 and is ignited to form a flame. The formed flame can heat the flame of the inner ring fire, increase the energy of the inner ring fire flame, and reduce the occurrence of flame separation.

[0094] like Figure 12 As shown, the inner ring fire cover 21 may further include a second boss 212, which is located on a side of the first boss 211 away from the burner head 130. The second boss 212 defines a blind hole 2120, which communicates with the first through hole 2110 of the first boss 211.

[0095] Based on this, the inner ring flame hole 210 is formed on the inner wall of the second boss 212. The second slit flame hole 41 is formed along the outer circumference of the second boss 212, and the second ventilation hole 42 is formed on the inner wall of the second boss 212. One end of the second ventilation hole 42 is connected to the second slit flame hole 41, and the other end is connected to the blind hole 2120, forming the second flame stabilization structure 4.

[0096] In this way, the mixed gas in the inner ring gas mixing chamber 1301 can flow into the blind hole 2120, and then flow through the second ventilation hole 42 and the second slit flame hole 41 in sequence. The mixed gas flows out of the second slit flame hole 41 and is ignited to form a flame. The formed flame can heat the flame of the inner ring fire, increase the energy of the inner ring fire flame, and reduce the occurrence of flame separation.

[0097] In addition, it should be noted that the axis of the first through hole 2110 and the axis of the blind hole 2120 may coincide with each other, and the aperture of the blind hole 2120 is smaller than the aperture of the first through hole 2110 .

[0098] It should be noted that the first boss 211 and the second boss 212 may be integrally formed, for example, by casting.

[0099] like Figure 11 As shown, in some embodiments of the present application, the first vent hole 32 of the first flame stabilizing structure 3 is arranged at an angle. The end of the first vent hole 32 communicating with the first through hole 2110 is located on a side away from the second boss 212, while the end of the first vent hole 32 communicating with the first slit flame hole 31 is located on a side away from the second boss 212.

[0100] The inclined arrangement of the first air holes 32 can make the mixed gas flow into the first air holes 32 more smoothly, so that the mixed gas flows into the first slit fire holes 31 and flows out from the first slit fire holes 31 to be ignited to form flames.

[0101] Another example Figure 12As shown, the second vent holes 42 extend parallel to the axial direction of the blind holes 2120, meaning they extend vertically. As the mixed gas flows from bottom to top and exits through the inner ring flame holes 210 and the first vent holes 32, its flow rate decreases to a certain extent. Positioning the second vent holes 42 parallel to the blind holes 2120 reduces the resistance encountered by the mixed gas upon entering the second vent holes 42, allowing the mixed gas to enter more smoothly.

[0102] In other embodiments of the present application, Figure 12 As shown, the inner ring fire cover 21 in the fire cover assembly 2 provided by the present application may further include a first boss 211, a first sub-boss 2121 and a second sub-boss 2122. The first sub-boss 2121 and the second sub-boss 2122 form the second boss 212.

[0103] Next, the first boss 211 , the first sub-boss 2121 and the second sub-boss 2122 will be further described.

[0104] Continue to see Figure 12 The first vent hole 32 is formed on the inner wall of the first boss 211 , and the first vent hole 32 is connected to the inner ring gas mixing chamber 1301 .

[0105] On this basis, a first gap 310 is defined between the first sub-boss 2121 and the first boss 211. The first vent hole 32 is connected to the first gap 310, and the first vent hole 32 and the first gap 310 can form a first flame stabilizing structure 3.

[0106] The first sub-boss 2121 includes a sidewall 21211 and a top wall 21210. The inner ring fire hole 210 is formed on the sidewall 21211 and communicates with the inner ring gas mixing chamber 1301. The top wall 21210 defines a second vent hole 42 that communicates with the inner ring gas mixing chamber 1301.

[0107] The second sub-boss 2122 is located on a side of the first sub-boss 2121 away from the first bosom 211, with a second gap 410 between the second sub-boss 2122 and the first sub-boss 2121. The second gap 410 is connected to the second vent hole 42, and the second gap 410 and the second vent hole 42 can form a second flame stabilizing structure 4.

[0108] Thus, when the gas stove 100 is in operation, the mixed gas in the inner ring fire cover 21 flows out of the inner ring fire hole 210 and ignites to form a flame. At the same time, the mixed gas can also flow into the first vent hole 32, then into the first slit 310, and then flow out of the first slit 310 to ignite to form a flame. The flame formed at the first slit 310 can heat the root of the flame formed at the inner ring fire hole 210, thereby increasing the energy of the inner ring flame, improving the combustion rate, and preventing flame lift.

[0109] A portion of the mixed gas can flow into the second vent hole 42 and then into the second slit 410 connected thereto, where it ignites and forms a flame. The flame formed at the second slit 410 can heat the upper portion of the flame formed at the inner ring flame hole 210, increasing the energy of the inner ring flame and the combustion rate of the flame, further preventing flame lift-off.

[0110] like Figure 14 As shown, in some embodiments of the present application, a flame stabilizing groove 5 is provided on the outer ring fire cover 22. The flame stabilizing groove 5 is provided on the outer peripheral surface of the outer ring fire cover 22. The flame stabilizing groove 5 is provided along the circumference of the outer ring fire cover 22, and the flame stabilizing groove 5 is also connected to the outer ring gas mixing chamber 1302 (see FIG. Figure 7 ) connected.

[0111] In this way, the mixed gas in the outer ring gas mixing chamber 1302 can flow into the flame stabilization groove 5, and then the mixed gas flows out of the flame stabilization groove 5 and ignites to form a flame. The flame formed in the flame stabilization groove 5 can heat the flame of the outer ring fire, thereby increasing the energy of the outer ring fire flame and the flame burning rate, thereby reducing the occurrence of flame separation, playing a flame stabilizing role for the outer ring fire hole, and ensuring the outer ring flame burns stably.

[0112] For example, Figure 15 As shown, the flame stabilization grooves 5 can be multiple in number, and are spaced apart along the circumference of the outer ring fire cover 22. The flame stabilization grooves 5 penetrate the sidewall of the outer ring fire cover 22, allowing the mixed gas in the outer ring gas mixing chamber to flow into the flame stabilization grooves 5, then flow out of the flame stabilization grooves 5 and ignite to form a flame. This allows the outer ring fire to be heated by the flame formed in the flame stabilization grooves 5, increasing the energy of the outer ring fire flame, reducing the occurrence of flame separation, and achieving a flame stabilization effect.

[0113] Another example Figure 16 As shown, in some embodiments of the present application, the flame stabilization tank 5 has a first port 51 and a second port 52 arranged opposite each other. The first port 51 is connected to the second port 52. Based on this, the first port 51 is connected to the outer ring fire hole 220, and the second port 52 is connected to the outside. The second port 52 being connected to the outside means that the second port 52 is connected to the outside of the outer ring fire cover 22.

[0114] In this way, during operation of the gas stove 100, while the mixed gas in the outer ring gas mixing chamber 1302 flows out from the outer ring fire holes 220 and is ignited to form the outer ring fire, a portion of the mixed gas can also flow out through the flame stabilizing groove 5. The flame formed by the ignition of the mixed gas flowing out of the flame stabilizing groove 5 can heat the outer ring fire, thereby increasing the energy of the outer ring fire flame, reducing the occurrence of flame separation, and playing a role in flame stabilization.

[0115] It should be noted that, when the flame stabilizing groove 5 is connected to the outer ring gas mixing cavity 1302 through the outer ring fire hole 220, Figure 14 As shown, the number of the flame stabilizing groove 5 can also be one. When the number of the flame stabilizing groove 5 is one, the flame stabilizing groove 5 can be opened along the outer peripheral surface of the outer ring fire cover 22, and the notch of the flame stabilizing groove 5 is continuous.

[0116] In this way, the mixed gas in the outer ring gas mixing chamber can flow through the first port 51 of the flame stabilization groove 5, then enter the flame stabilization groove 5, flow out from the second port 52 of the flame stabilization groove 5, and ignite at the second port 52 to form a flame. In addition, the flame stabilization groove 5 is continuously provided along the outer circumference of the outer ring fire cover 22. Therefore, a continuous flame can be formed in the flame stabilization groove 5, improving the stability of flame combustion. In addition, the flame stabilization groove 5 is provided along the outer circumference of the outer ring fire cover 22 to facilitate processing, reduce processing steps, and reduce processing costs.

[0117] In some embodiments of the present application, the flame stabilizing groove 5 is opened on a side closer to the burner head 130 than the outer ring fire hole 220 (see Figure 7 In this way, the flame stabilizing groove 5 located at the lower side of the outer ring fire hole 220 can heat the root of the flame formed at the outer ring fire hole 220, so that the energy of the root of the flame formed at the outer ring fire hole 220 is increased, the burning rate of the outer ring flame is increased, the occurrence of flame separation phenomenon is reduced, and the stability of flame combustion is improved.

[0118] Next, the structure of the outer ring fire cover 22 will be further described. Figure 14 As shown, the outer ring fire holes 220 are arranged circumferentially along the outer circumference of the outer ring fire cover 22. In this way, the mixed gas in the outer ring gas mixing chamber 1302 can flow out through the outer ring fire holes 220 arranged circumferentially along the outer circumference of the outer ring fire cover 22 and be ignited to form a flame, thereby heating the bottom of the pot.

[0119] See also Figure 1 The gas stove 100 provided in the present application may further include a pot support 6. The pot support 6 is placed on the panel 12 and is arranged opposite to the burner 130. In this way, the pot support 6 can provide support for the pot and enable the pot to be placed in the area above the burner 130 so that the bottom of the pot can be heated by the flame.

[0120] In this case, in order to prevent the flame from burning the pot support 6, as shown in FIG. Figure 14 As shown, a fire avoidance area 60 is also provided on the outer ring fire cover 22. The fire avoidance area 60 is arranged along the arrangement direction of the multiple outer ring fire holes 220, and the fire avoidance area 60 is located between the multiple outer ring fire holes 220. In this way, the legs of the pot support 6 can be placed in the fire avoidance area 60 to prevent the legs of the pot support 6 from being burned by the flames. On the other hand, placing the legs of the pot support 6 in the fire avoidance area 60 can prevent the legs from blocking the outer ring fire holes 220. If the legs block the outer ring fire holes 220, the legs will affect the replenishment of secondary air, resulting in incomplete combustion of the mixed gas, and further causing an increase in smoke.

[0121] Therefore, the provision of the fire avoidance area 60 on the outer ring fire cover 22 can solve the problem of increased smoke caused by the legs of the pot support 6 blocking the outer ring fire hole 220.

[0122] For example, there can be multiple fire avoidance areas 60, corresponding to the number of legs of the pot support 6. For example, if the pot support 6 has four legs, there can also be four fire avoidance areas 60 on the outer ring fire cover 22. In this way, one fire avoidance area 60 corresponds to one leg of the pot support 6, thereby preventing the legs of the pot support 6 from being burned by flames or blocking the fire hole.

[0123] In addition, when the outer ring fire cover 22 is provided with a fire avoidance area 60, as shown in FIG. Figure 17 As shown, the outer ring fire cover 22 is also provided with a fire hole 61. Figure 18 As shown, one end of the fire hole 61 is connected to the outer ring gas mixing cavity 1301 (see Figure 7 ) is connected, and the other end is connected to the flame stabilizing groove 5. The fire hole 61 is located in the fire avoidance area 60 near the burner head 130 (see Figure 7 ) side, that is, the fire hole 61 is located in the fire avoidance area 60 (see Figure 17 ) below.

[0124] The flame transfer holes 61 ensure flame transfer within the fire avoidance area 60. They function as a fire transfer mechanism, ensuring that during ignition, the flame can be smoothly and effectively transferred from one combustion area to the other. For example, the flame holes arranged on either side of the fire avoidance area 60 represent two adjacent combustion areas. The flame transfer holes 61 ensure that the flame holes are not affected by the fire avoidance area 60 during combustion, ensuring that the entire outer perimeter of the outer ring fire cover 22 can burn stably and produce flames.

[0125] In the description of this specification, specific features, structures, materials or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.

[0126] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A gas stove, characterized in that: include: The burner head is formed with an inner ring gas mixing cavity and an outer ring gas mixing cavity having an opening; A fire cover assembly is provided on the opening and comprises: An inner ring fire cover is provided with an inner ring fire hole and is communicated with the inner ring gas mixing chamber; An outer ring fire cover is provided with an outer ring fire hole and is communicated with the outer ring gas mixing cavity; The inner ring fire cover is provided with a first flame stabilizing structure and a second flame stabilizing structure; The first flame stabilizing structure includes a first slit fire hole, which is connected to the inner ring gas mixing cavity; the first slit fire hole is opened along the outer circumference of the inner ring fire cover; The second flame stabilizing structure includes a second slit fire hole, which is connected to the inner ring gas mixing cavity; the second slit fire hole is opened along the outer circumference of the inner ring fire cover; The inner ring fire hole is opened on the outer peripheral surface of the inner ring fire cover and is located between the first slit fire hole and the second slit fire hole.

2. The gas stove according to claim 1, characterized in that: The first flame stabilizing structure further includes: a first ventilation hole, one end of which is connected to the first slit fire hole, and the other end of which is connected to the inner ring gas mixing cavity; the first slit fire hole is connected to the inner ring gas mixing cavity through the first ventilation hole; The second flame stabilizing structure further includes: The second air vent, one end of the second air vent is connected to the second slit fire hole, and the other end of the second air vent is connected to the inner ring air mixing chamber; the second slit fire hole is connected to the inner ring air mixing chamber through the second air vent.

3. The gas stove according to claim 2, characterized in that: The inner ring fire cover comprises: a first boss, wherein the first boss is provided with a first through hole extending therethrough, one end of the first through hole being in communication with the inner ring gas mixing chamber; a first slit fire hole being provided along the outer circumferential surface of the first boss, the first air hole being provided on the inner wall of the first boss, one end of the first air hole being in communication with the first slit fire hole, and the other end of the first air hole being in communication with the first through hole, so as to form the first flame stabilizing structure; a second boss, the second boss being located on a side of the first boss away from the burner head; a blind hole being formed in the second boss, one end of which is connected to the first through hole; the inner ring fire hole being formed on the inner wall of the second boss; the second slit fire hole being formed along the outer circumferential surface of the second boss; the second air hole being formed on the inner wall of the second boss, one end of the second air hole being connected to the second slit fire hole, and the other end of the second air hole being connected to the blind hole, thereby forming the second flame stabilizing structure; The axis of the first through hole coincides with the axis of the blind hole, and the aperture of the blind hole is smaller than the aperture of the first through hole.

4. The gas stove according to claim 3, characterized in that: The first vent hole is arranged obliquely; one end of the first vent hole connected to the first through hole is located on a side away from the second boss, and one end of the first vent hole connected to the first slit fire hole is located on the side away from the second boss.

5. The gas stove according to claim 3, characterized in that: An extending direction of the second vent hole is parallel to an axial direction of the blind hole.

6. The gas stove according to claim 1, characterized in that: The outer ring fire cover is provided with a flame stabilizing groove, which is provided on the outer peripheral surface of the outer ring fire cover and is arranged along the circumference of the outer ring fire cover; the flame stabilizing groove is communicated with the outer ring gas mixing chamber.

7. The gas stove according to claim 6, characterized in that: The flame stabilizing groove has a first port and a second port arranged opposite to each other, and the first port is connected to the second port; wherein the first port of the flame stabilizing groove is connected to the outer ring fire hole, and the second port of the flame stabilizing groove is connected to the outside of the outer ring fire cover.

8. The gas stove according to claim 6, characterized in that: The flame stabilizing groove is closer to the burner head than the outer ring fire hole.

9. The gas stove according to claim 6, characterized in that: The outer ring fire cover is further provided with a fire avoidance area, and a plurality of the outer ring fire holes are arranged circumferentially along the outer peripheral surface of the outer ring fire cover; along the arrangement direction of the plurality of the outer ring fire holes, the fire avoidance area is located between the plurality of the outer ring fire holes; A fire transfer hole is also provided on the outer ring fire cover, one end of the fire transfer hole is connected to the outer ring gas mixing chamber, and the other end of the fire transfer hole is connected to the flame stabilizing groove; the fire transfer hole is located on the side of the fire avoidance area close to the burner head.

10. A gas stove, characterized in that: The gas stove comprises: A burner head, wherein the burner head forms an inner annular gas mixing cavity and an outer annular gas mixing cavity with openings; A fire cover assembly is provided on the opening, and the fire cover assembly includes: An inner ring fire cover, wherein the inner ring fire cover is provided with an inner ring fire hole and is connected to the inner ring gas mixing chamber; The outer ring fire cover is provided with an outer ring fire hole and is connected to the outer ring gas mixing cavity; the inner ring fire cover includes: a first boss, wherein the first vent hole is formed on an inner wall of the first boss, and the first vent hole is communicated with the inner ring gas mixing cavity; a first sub-boss, wherein a first gap is defined between the first sub-boss and the first boss, and the first vent is connected to the first gap; the first sub-boss includes a side wall and a top wall, the inner ring fire hole is defined on the side wall, and the inner ring fire hole is connected to the inner ring gas mixing chamber; a second vent is defined on the top wall, and the second vent is connected to the inner ring gas mixing chamber; The second sub-boss is located on a side of the first sub-boss away from the first bosom, a second gap is defined between the second sub-boss and the first sub-boss, and the second gap is communicated with the second vent hole.

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