CN218442283U

CN218442283U - Gas kitchen ranges

Info

Publication number: CN218442283U
Application number: CN202222324812.4U
Authority: CN
Inventors: 邓志亮; 邓飞忠; 吴亭; 刘华荣; 叶飞; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2023-02-03
Anticipated expiration: 2032-09-01

Abstract

The utility model provides a gas stove belongs to kitchen equipment technical field. This gas-cooker includes plug valve device, the furnace end, the outer loop nozzle, inner ring nozzle and ignition auxiliary nozzle, plug valve device includes the casing, the casing is provided with outer loop gas channel, inner ring gas channel and supplementary ignition passageway, the furnace end is provided with the outer loop and draws and penetrate the pipe and the inner ring draws penetrates the pipe, the outer loop draws the one end of penetrating the pipe to be provided with first convergent portion, the inner ring draws the one end of penetrating the pipe to be equipped with second convergent portion, the one end and the outer loop gas channel intercommunication of outer loop nozzle, the other end and the relative setting of first convergent portion of outer loop nozzle, the one end and the inner ring gas channel intercommunication of inner ring nozzle, the other end and the relative and the axis of deviating the second convergent portion of inner ring nozzle, the one end and the supplementary firing passageway intercommunication of ignition auxiliary nozzle, and ignition auxiliary nozzle and inner ring nozzle parallel arrangement, the other end and the relative and the second convergent portion of ignition auxiliary nozzle.

Description

Gas kitchen ranges

Technical Field

The utility model relates to a kitchen equipment technical field, in particular to gas stove.

Background

Along with the improvement of living standard, gas appliances including household gas appliances, heaters, barbecue ovens and the like are more and more indispensable in people's life, and infrared gas burners have been accepted by most of household consumers because the products of the infrared gas burners have the superior performance characteristics of energy conservation, environmental protection, cleanness, sanitation, safety, reliability and the like, and because the combustion mode of the infrared gas burners is completely premixed combustion and is premixed to 1.03-1.10 times of the air quantity required by complete combustion, the complete combustion is realized, the energy utilization rate is high, and the generated harmful gases (carbon monoxide and nitric oxide) are less, so the thermal efficiency of the infrared gas appliances is higher than that of atmospheric burners.

Because the infrared gas burner adopts a primary air coefficient which is much larger than that of an atmospheric burner (0.5-0.7), and the cavity of the furnace chamber for mixing the burner gas and the primary air is larger, the burner can normally ignite and burn only after partial air in the furnace chamber of the burner is exhausted and the mixed gas reaches the ignition concentration, the problems of low gas concentration, difficult ignition and low ignition rate exist when the infrared burner is ignited at a first cold state, particularly, the infrared burner with high air content is difficult to ignite when piezoelectric ceramics are used for ignition, the ignition is difficult to ignite, and the gas is accumulated and deflagrated, so that the user experience is not good.

In order to solve the problems, the patent publication No. CN103727538A discloses a control device for a gas infrared main burner, which discloses a scheme for increasing the gas quantity of an inner ring during ignition, and comprises a gas passage formed by a gas control valve, a nozzle, an injection pipe and a furnace chamber through which gas sequentially passes, wherein the gas axially flows in the gas passage to form axial gas flow which overflows to a porous combustion radiation plate and is ignited and combusted by an ignition needle, and the control device is characterized in that: the gas channel is provided with a radial auxiliary nozzle which sprays radial gas flow into the gas channel when ignition starts and stops immediately after ignition.

The scheme is that the auxiliary nozzle is added on the inner ring nozzle or the inner ring injection pipe, so that the inner ring gas flow is increased during ignition, the gas concentration is rapidly improved, and the ignition rate is improved; the structural scheme is an optimized scheme for improving the ignition rate, and the effect is obvious; but the shortcoming is that pipeline structure and connection structure are complicated, and the connected node is many, and manufacturing cost is high, and production is difficult, has still promoted the gas leakage risk.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas-cooker, this gas-cooker simple structure, connected node is few, low in manufacturing cost.

For realizing the purpose of the utility model, the utility model adopts the following technical scheme:

the utility model provides a gas stove, including plug valve device, the furnace end, the outer loop nozzle, inner ring nozzle and ignition auxiliary nozzle, plug valve device includes the casing, the casing is provided with outer loop gas channel, inner ring gas channel and supplementary ignition passageway, the furnace end is provided with outer loop and draws and penetrates pipe and inner ring and draw and penetrate the pipe, the outer loop draws the one end of penetrating the pipe to be provided with first convergent portion, the inner ring draws the one end of penetrating the pipe to be equipped with second convergent portion, the one end and the outer loop gas channel intercommunication of outer loop nozzle, the other end and the relative setting of first convergent portion of outer loop nozzle, the one end and the inner ring gas channel intercommunication of inner ring nozzle, the other end and the relative and the axis of deviating from second convergent portion of inner ring nozzle, the one end and the supplementary ignition passageway intercommunication of ignition auxiliary nozzle, and ignition auxiliary nozzle and inner ring nozzle parallel arrangement, the other end and the second convergent portion of ignition auxiliary nozzle are relative and.

According to the utility model discloses an embodiment, wherein, the middle part of second convergent portion is provided with first locating plate, and first locating hole has been seted up to the axis that first locating plate corresponds second convergent portion to the location inner ring nozzle, the second locating hole has been seted up to the axis that first locating plate skew second convergent portion, with the location auxiliary nozzle that ignites.

According to the utility model discloses an embodiment, wherein, the middle part of first convergent portion is provided with the second locating plate, and the third locating hole has been seted up to the axis that the second locating plate corresponds first convergent portion to fix a position the outer loop nozzle.

According to the utility model discloses an embodiment, wherein, still include the air door subassembly, the air door subassembly includes the deep bead, first spring, the second spring, first air adjusting plate and second air adjusting plate, the deep bead rigid coupling is in first convergent portion and second convergent portion, the fourth locating hole has been seted up to the deep bead corresponding first locating hole, the fifth locating hole has been seted up to the deep bead corresponding second locating hole, first spring housing is located on the outer loop nozzle and one end and outer loop nozzle butt, first air adjusting plate cover is located on the outer loop nozzle and one side and the other end butt of first spring, the opposite side and the deep bead butt of first air adjusting plate, second spring housing is located on the inner loop nozzle and one end and inner loop nozzle butt, second air adjusting plate cover is located on the inner loop nozzle and one side and the other end butt of second spring, the opposite side and the deep bead butt of second air adjusting plate.

According to an embodiment of the present invention, the plug valve device further includes a valve core assembly and a valve rod, the housing has a first cavity and a first air inlet, the valve core assembly is axially movable and rotatably disposed in the first cavity, the valve rod is connected to the valve core assembly, and when the valve rod is pressed and rotated to ignite, the valve core assembly opens the communication between the first air inlet and the outer ring gas channel, the inner ring gas channel and the auxiliary ignition channel; when the ignition is successfully stopped from pressing the valve rod, the valve core assembly closes the communication between the first air inlet and the auxiliary ignition channel.

According to an embodiment of the present invention, wherein the valve element assembly includes an outer valve element and an inner valve element, the outer valve element is rotatably mounted in the first cavity, the center of the outer valve element is provided with a second cavity, the annular wall of the outer valve element is provided with a second air inlet corresponding to the first air inlet, the annular wall of the outer valve element is provided with a first air outlet corresponding to the outer ring gas passage, the annular wall of the outer valve element is provided with a second air outlet corresponding to the inner ring gas passage, the annular wall of the outer valve element is provided with a third air outlet corresponding to the auxiliary ignition passage, the inner valve element is axially movably mounted in the second cavity, and both the inner valve element and the outer valve element are connected to the valve rod; when the valve rod is pressed, the valve rod drives the inner valve core to move axially, and the inner valve core opens the communication between the second air inlet and the auxiliary ignition channel; when the valve rod is rotated, the valve rod drives the outer valve core to rotate, and the outer valve core opens the communication between the first air inlet and the second air inlet, the outer ring gas channel, the inner ring gas channel and the auxiliary ignition channel; when the valve rod stops being pressed, the inner valve core closes the communication between the second air inlet and the auxiliary ignition channel.

According to the utility model discloses an embodiment, wherein, the inner valve core includes third spring, thimble and sealing washer, and the third spring sets up in the second cavity, on a thimble tip cover was located the third spring and with third spring butt, the other end and the valve rod of thimble are connected, and on the thimble was located to the sealing washer cover, the terminal surface releasable of sealing washer and the internal face butt of second cavity to control the second air inlet and the intercommunication of supplementary firing passageway.

According to the utility model discloses an embodiment, wherein, the thimble is provided with annular raised portion, another terminal surface of sealing washer and one side butt of annular raised portion, the opposite side and the third spring butt of annular raised portion.

The utility model provides an embodiment has following advantage or beneficial effect:

the utility model discloses a gas stove, because including plug valve device, the furnace end, the outer loop nozzle, inner ring nozzle and ignition auxiliary nozzle, plug valve device includes the casing, the casing is provided with outer loop gas passageway, inner ring gas passageway and auxiliary ignition passageway, the furnace end is provided with the outer loop and draws tub and inner ring and draw and penetrate the pipe, the outer loop draws the one end of penetrating the pipe to be provided with first convergent portion, the inner ring draws the one end of penetrating the pipe to be equipped with second convergent portion, the one end and the outer loop gas passageway intercommunication of outer loop nozzle, the other end and the relative setting of first convergent portion of outer loop nozzle, the one end and the inner ring gas passageway intercommunication of inner ring nozzle, the other end and the axis of the relative and skew second convergent portion of inner ring nozzle, the utility model discloses a gas stove, moreover, the steam stove is simple in structure, the connected node is few, thereby convenient to make, thereby production cost has been reduced, and production efficiency has been improved. When pressing and rotating plug valve device ignition, outer loop gas passageway, inner ring gas passageway and supplementary firing passageway all lead to the gas, the intraductal gas of carrying is drawn to the inner ring with the ignition pilot nozzle sharing, with the increase gas volume, and simultaneously, because the axis of the skew inner ring of ignition pilot nozzle draws the second convergent portion of pipe, ignition pilot nozzle spun gas stream intersects with inner ring nozzle spun gas stream under the water conservancy diversion of second convergent portion, the kinetic energy of drawing of inner ring nozzle has been weakened, reduce inner ring nozzle primary air supply volume, thereby improve gas concentration, and then improve the ignition rate, improve user experience and feel. After ignition is successful and the plug valve device is stopped being pressed, the auxiliary ignition channel cuts off fuel gas, and the auxiliary ignition nozzle stops conveying the fuel gas into the inner ring injection pipe.

Drawings

The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

Fig. 1 is a disassembled schematic view illustrating a gas range according to an exemplary embodiment.

Fig. 2 is a schematic top view of a gas burner shown according to an exemplary embodiment.

Fig. 3 is a schematic cross-sectional view of a gas range shown according to an exemplary embodiment.

Fig. 4 is a partially enlarged view of fig. 3.

Wherein the reference numerals are as follows:

1. a plug valve device; 11. a housing; 111. an outer ring gas channel; 112. an inner ring gas channel; 113. an auxiliary ignition channel; 114. a first air inlet; 12. a valve core assembly; 121. an outer valve core; 122. an inner valve core; 1221. A third spring; 1222. a thimble; 1223. a seal ring; 13. a valve stem;

2. a furnace end; 21. an outer ring injection pipe; 211. a first tapered portion; 2111. a second positioning plate; 22. an inner ring injection pipe; 221. a second tapered portion; 2211. a first positioning plate;

3. an outer ring nozzle;

4. an inner ring nozzle;

5. an ignition aid nozzle;

6. a damper assembly; 61. a wind deflector; 62. a first spring; 63. a second spring; 64. a first register plate; 65. and a second air adjusting plate.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

The terms "a," "an," "the," "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.

As shown in fig. 1 to 4, a gas stove according to an embodiment of the present invention includes a plug valve device 1, a burner 2, an outer ring nozzle 3, an inner ring nozzle 4, and an ignition assisting nozzle 5.

The plug valve device 1 comprises a housing 11, the housing 11 being provided with an outer ring gas passage 111, an inner ring gas passage 112 and an auxiliary ignition passage 113.

The furnace end 2 is provided with an outer ring injection pipe 21 and an inner ring injection pipe 22, one end of the outer ring injection pipe 21 is provided with a first reducing portion 211, and one end of the inner ring injection pipe 22 is provided with a second reducing portion 221.

One end of the outer ring nozzle 3 communicates with the outer ring gas passage 111, and the other end of the outer ring nozzle 3 is disposed opposite to the first tapered portion 211.

One end of the inner ring nozzle 4 communicates with the inner ring gas passage 112, the other end of the inner ring nozzle 4 is opposed to the second tapered portion 221, and the inner ring nozzle 4 is located on the axis of the second tapered portion 221.

One end of the ignition aid nozzle 5 communicates with the auxiliary ignition passage 113, and the ignition aid nozzle 5 is disposed in parallel with the inner ring nozzle 4, and the other end of the ignition aid nozzle 5 is opposed to the second tapered portion 221 and is offset from the axis of the second tapered portion 221.

The utility model discloses a gas stove, simple structure, connected node is few, is convenient for make to reduce manufacturing cost, improved production efficiency.

When pressing and rotating plug valve device 1 and igniteing, outer loop gas passageway 111, inner ring gas passageway 112 and auxiliary ignition passageway 113 all lead to the gas, inner ring nozzle 4 and ignition auxiliary nozzle 5 are common to the inner ring draw and penetrate and carry the gas in the pipe 22, in order to increase the gas volume, and simultaneously, because the axis of the skew second convergent part 221 that the pipe 22 was penetrated to the inner ring in ignition auxiliary nozzle 5, the gas stream that 5 spun of ignition auxiliary nozzle 5 was penetrated is crossing with inner ring nozzle 4 spun gas stream under the conductance of second convergent part 221, the injection kinetic energy of inner ring nozzle 4 has been weakened, reduce 4 air supply volumes in the inner ring nozzle, thereby improve gas concentration, and then improve the ignition rate, improve user experience and feel.

Preferably, the gas flow ejected from the auxiliary nozzle 5 and the gas flow ejected from the inner ring nozzle 4 have an included angle of 20-30 degrees.

After ignition is successful and the plug valve device 1 is stopped being pressed, the auxiliary ignition channel 113 cuts off gas, the auxiliary ignition nozzle 5 stops conveying gas into the inner ring injection pipe 22, the outer ring gas channel 111 and the inner ring gas channel 112 are normally opened for ventilation, and the outer ring nozzle 3 and the inner ring nozzle 4 normally spray gas.

As shown in fig. 1 to 4, in a preferred embodiment of the present invention, a first positioning plate 2211 is disposed in the middle of the second tapering portion 221, the first positioning plate 2211 has a first positioning hole corresponding to the axis of the second tapering portion 221 to position the inner ring nozzle 4, and the first positioning plate 2211 has a second positioning hole deviating from the axis of the second tapering portion 221 to position the ignition assisting nozzle 5.

As shown in fig. 1 to fig. 4, in a preferred embodiment of the present invention, a second positioning plate 2111 is disposed in the middle of the first tapering portion 211, and a third positioning hole is disposed on the second positioning plate 2111 corresponding to the axis of the first tapering portion 211 to position the outer ring nozzle 3.

As shown in fig. 1 to 4, in a preferred embodiment of the present invention, the damper assembly 6 further includes a damper plate 61, a first spring 62, a second spring 63, a first air adjusting plate 64, and a second air adjusting plate 65.

The wind shield 61 is fixedly connected to the first tapering portion 211 and the second tapering portion 221, the wind shield 61 has a fourth positioning hole corresponding to the first positioning hole, and the wind shield 61 has a fifth positioning hole corresponding to the second positioning hole.

The first spring 62 is sleeved on the outer ring nozzle 3, one end of the first spring is abutted with the outer ring nozzle 3, the first air adjusting plate 64 is sleeved on the outer ring nozzle 3, one side of the first air adjusting plate 64 is abutted with the other end of the first spring 62, the other side of the first air adjusting plate 64 is abutted with the wind shield 61,

the second spring 63 is sleeved on the inner ring nozzle 4, one end of the second spring is abutted against the inner ring nozzle 4, the second air adjusting plate 65 is sleeved on the inner ring nozzle 4, one side of the second air adjusting plate is abutted against the other end of the second spring 63, and the other side of the second air adjusting plate 65 is abutted against the wind shield 61.

In a preferred embodiment of the present invention, as shown in the associated figures 1-4, the plug valve device 1 further comprises a spool assembly 12 and a valve stem 13.

The housing 11 defines a first cavity and a first air inlet 114, and the valve core assembly 12 is axially movable and rotatably disposed in the first cavity.

The valve rod 13 is connected with the valve core assembly 12, and when the valve rod 13 is pressed and rotated to ignite, the valve core assembly 12 opens the communication between the first air inlet 114 and the outer ring gas channel 111, the inner ring gas channel 112 and the auxiliary ignition channel 113; when the ignition is successfully stopped from pressing the valve rod 13, the valve core assembly 12 closes the communication between the first air inlet 114 and the auxiliary ignition channel 113.

As shown in fig. 3 and 4, in a preferred embodiment of the present invention, the cartridge assembly 12 includes an outer cartridge 121 and an inner cartridge 122.

The outer valve core 121 is rotatably installed in the first cavity, a second cavity is formed in the center of the outer valve core 121, a second air inlet is formed in the annular wall of the outer valve core 121 corresponding to the first air inlet 114, a first air outlet is formed in the annular wall of the outer valve core 121 corresponding to the outer ring fuel gas channel 111, a second air outlet is formed in the annular wall of the outer valve core 121 corresponding to the inner ring fuel gas channel 112, and a third air outlet is formed in the annular wall of the outer valve core 121 corresponding to the auxiliary ignition channel 113.

An inner spool 122 is axially movably mounted within the second chamber, and both the inner spool 122 and the outer spool 121 are connected to the valve stem 13.

When the valve rod 13 is pressed, the valve rod 13 drives the inner valve core 122 to move axially, and the inner valve core 122 opens the communication between the second air inlet and the auxiliary ignition channel 113.

When the valve rod 13 is rotated, the valve rod 13 drives the outer valve core 121 to rotate, and the outer valve core 121 opens the communication between the first air inlet 114 and the second air inlet, the outer ring fuel gas channel 111, the inner ring fuel gas channel 112 and the auxiliary ignition channel 113.

When the pressing of the valve stem 13 is stopped, the inner spool 122 closes the communication of the second intake port with the auxiliary ignition passage 113.

As shown in fig. 4, in a preferred embodiment of the present invention, the inner valve core 122 includes a third spring 1221, a thimble 1222, and a sealing ring 1223.

The third spring 1221 is disposed in the second cavity, one end of the thimble 1222 is sleeved on the third spring 1221 and abuts against the third spring 1221, and the other end of the thimble 1222 is connected to the valve rod 13.

The packing 1223 is fitted over the thimble 1222, and an end surface of the packing 1223 is releasably abutted against an inner wall surface of the second cavity to control communication between the second inlet and the auxiliary ignition passage 113.

When the valve rod 13 is pressed, the valve rod 13 drives the thimble 1222 to move axially, and one end surface of the sealing ring 1223 is separated from the inner wall surface of the second cavity, so that the second air inlet is communicated with the auxiliary ignition channel 113.

When the pressing of the valve rod 13 is stopped, the third spring 1221 pushes the thimble 1222 to return, and one end surface of the seal 1223 abuts against the inner wall surface of the second cavity, so that the passage between the second intake port and the auxiliary ignition passage 113 is closed.

As shown in fig. 4, in a preferred embodiment of the present invention, the thimble 1222 is provided with an annular protrusion, the other end surface of the sealing ring 1223 abuts against one side of the annular protrusion, and the other side of the annular protrusion abuts against the third spring 1221.

In the embodiments of the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are used broadly and should be construed to mean, for example, that "connected" may be a fixed connection, a removable connection, or an integral connection. The specific meaning of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the description of the embodiments of the present invention, it should be understood that the terms "upper" and "lower" are used for indicating the position or the positional relationship based on the position or the positional relationship shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but not for indicating or implying that the indicated device or unit must have a specific direction, be constructed and operated in a specific position, and thus, should not be construed as limiting the embodiments of the present invention.

In the description herein, the description of the terms "one embodiment," "a preferred embodiment," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the embodiments of the present invention should be included in the protection scope of the embodiments of the present invention.

Claims

1. A gas range, comprising:

the plug valve device (1) comprises a shell (11), wherein the shell (11) is provided with an outer ring gas channel (111), an inner ring gas channel (112) and an auxiliary ignition channel (113),

the burner comprises a burner body (2), wherein the burner body (2) is provided with an outer ring injection pipe (21) and an inner ring injection pipe (22), one end of the outer ring injection pipe (21) is provided with a first gradually-reducing part (211), one end of the inner ring injection pipe (22) is provided with a second gradually-reducing part (221),

an outer ring nozzle (3), one end of the outer ring nozzle (3) is communicated with the outer ring gas channel (111), the other end of the outer ring nozzle (3) is arranged opposite to the first reducing part (211),

an inner ring nozzle (4), one end of the inner ring nozzle (4) communicates with the inner ring gas passage (112), the other end of the inner ring nozzle (4) is opposite to the second tapered portion (221), and the inner ring nozzle (4) is located on the axis of the second tapered portion (221), an

An ignition aid nozzle (5), one end of the ignition aid nozzle (5) communicating with the auxiliary ignition passage (113), and the ignition aid nozzle (5) being disposed in parallel with the inner ring nozzle (4), the other end of the ignition aid nozzle (5) being opposite to the second tapered portion (221) and being offset from the axis of the second tapered portion (221).

2. The gas range of claim 1, wherein: the middle part of the second gradually-shrinking part (221) is provided with a first positioning plate (2211), a first positioning hole is formed in the first positioning plate (2211) corresponding to the axis of the second gradually-shrinking part (221) to position the inner ring nozzle (4), and a second positioning hole is formed in the first positioning plate (2211) deviating from the axis of the second gradually-shrinking part (221) to position the ignition assisting nozzle (5).

3. The gas range of claim 1, wherein: a second positioning plate (2111) is arranged in the middle of the first reducing portion (211), and a third positioning hole is formed in the second positioning plate (2111) corresponding to the axis of the first reducing portion (211) to position the outer ring nozzle (3).

4. A gas range as set forth in claim 3, wherein: still include air door subassembly (6), air door subassembly (6) include deep bead (61), first spring (62), second spring (63), first air adjusting plate (64) and second air adjusting plate (65), deep bead (61) rigid coupling in first convergent portion (211) with on second convergent portion (221), fourth locating hole has been seted up to deep bead (61) corresponding first locating hole, deep bead (61) correspond the second locating hole and seted up the fifth locating hole, first spring (62) cover is located on outer loop nozzle (3) and one end with outer loop nozzle (3) butt, first air adjusting plate (64) cover is located on outer loop nozzle (3) and one side with the other end butt of first spring (62), the opposite side of first air adjusting plate (64) with deep bead (61) butt, second spring (63) cover is located on inner ring nozzle (4) and one end with butt inner ring nozzle (4), second air adjusting plate (65) cover is located in inner ring nozzle (4) and the other end butt of air adjusting nozzle (61) and the air adjusting plate (63) and the other end butt of second air adjusting plate (61), the second air adjusting plate (65) cover is located in inner ring nozzle (4) and the other side butt with the air adjusting plate (61) and the other end butt of deep bead (61).

5. The gas range according to any one of claims 1 to 4, wherein: the plug valve device (1) further comprises a valve core assembly (12) and a valve rod (13), a first cavity and a first air inlet (114) are formed in the shell (11), the valve core assembly (12) can axially move and can be rotationally arranged in the first cavity, the valve rod (13) is connected with the valve core assembly (12), and when the valve rod (13) is pressed and rotated to ignite, the valve core assembly (12) opens the communication between the first air inlet (114) and the outer ring gas channel (111), the inner ring gas channel (112) and the auxiliary ignition channel (113); when the ignition is successfully stopped from pressing the valve rod (13), the valve core assembly (12) closes the communication between the first air inlet (114) and the auxiliary ignition channel (113).

6. The gas range of claim 5, wherein: the valve core assembly (12) comprises an outer valve core (121) and an inner valve core (122), the outer valve core (121) is rotatably installed in the first cavity, a second cavity is formed in the center of the outer valve core (121), a second air inlet is formed in the annular wall of the outer valve core (121) corresponding to the first air inlet (114), a first air outlet is formed in the annular wall of the outer valve core (121) corresponding to the outer ring fuel gas channel (111), a second air outlet is formed in the annular wall of the outer valve core (121) corresponding to the inner ring fuel gas channel (112), a third air outlet is formed in the annular wall of the outer valve core (121) corresponding to the auxiliary ignition channel (113), the inner valve core (122) is axially movably installed in the second cavity, and the inner valve core (122) and the outer valve core (121) are both connected with the valve rod (13).

7. The gas range of claim 6, wherein: the inner valve core (122) comprises a third spring (1221), a thimble (1222) and a sealing ring (1223), the third spring (1221) is arranged in the second cavity, one end of the thimble (1222) is sleeved on the third spring (1221) and abutted against the third spring (1221), the other end of the thimble (1222) is connected with the valve rod (13), the sealing ring (1223) is sleeved on the thimble (1222), and one end face of the sealing ring (1223) is abutted against the inner wall face of the second cavity in a releasable manner to control communication between the second air inlet and the auxiliary ignition channel (113).

8. The gas range of claim 7, wherein: the thimble (1222) is provided with an annular bulge, the other end face of the sealing ring (1223) is abutted with one side of the annular bulge, and the other side of the annular bulge is abutted with the third spring (1221).