A gas device for a gas stove and a gas stove

Abstract

The present application discloses a gas device and a gas stove. The gas device includes: a gas mixing component, which is provided with an annular gas mixing chamber, a mixed gas outlet communicating with the annular gas mixing chamber, and a plurality of outer ring intake channels. The plurality of outer ring intake channels are arranged at intervals; a gas mixing annular retaining ring, which is fixed in the annular gas mixing chamber. The annular retaining ring includes an annular baffle that divides the gas mixing chamber into an upper first annular chamber and a lower second annular chamber. The top of the first annular chamber communicates with the second annular chamber. A plurality of through holes are provided on the gas mixing ring annular retaining ring to communicate the upper first annular chamber and the lower second annular chamber; wherein, the outlet of the outer ring intake channel communicates with the lower second annular chamber, and the mixed gas outlet communicates with the upper first annular chamber. Thus, when the mixed gas burns after being discharged from the gas outlet, the outer ring fire formed is relatively stable and the combustion efficiency is relatively high.

Description

Technical Field

[0001] This application belongs to the technical field of gas stoves, and particularly relates to a gas device and a gas stove for a gas stove. Background Art

[0002] Gas stoves are indispensable kitchen utensils in daily life. With the continuous improvement of people's living standards, people's requirements for gas stoves are getting higher and higher.

[0003] At present, the flames of most stoves on the market are mainly divided into an inner ring fire and an outer ring fire. After the gas is divided, it enters the outer mixing cavity through the air inlet of the outer mixing cavity, and then rushes out of the air outlet holes on the outer burner cap and is ignited to form the outer ring fire.

[0004] Since the outer mixing cavity is usually annular and the air inlets of the outer mixing cavity are one or two, the gas concentration in the outer mixing cavity near the air inlets is relatively high, while the gas concentration far from the air inlets is relatively low, resulting in unstable outer ring fire and low combustion efficiency. Summary of the Invention

[0005] This application aims to at least solve to a certain extent the technical problem that the gas concentration in the outer mixing cavity near the air inlets is relatively high, while the gas concentration far from the air inlets is relatively low, resulting in unstable outer ring fire and low combustion efficiency. For this purpose, this application provides a gas device and a gas stove for a gas stove.

[0006] A gas device for a gas stove provided by an embodiment of this application, the gas device includes:

[0007] A mixing component, which is provided with an annular mixing cavity, a mixed gas outlet communicating with the annular mixing cavity, and a plurality of outer ring air inlet channels, and the plurality of outer ring air inlet channels are arranged at intervals;

[0008] An annular retaining ring, which is fixed in the annular mixing cavity, and the annular retaining ring includes an annular baffle that divides the mixing cavity into a first annular cavity and a second annular cavity, and the top of the first annular cavity communicates with the second annular cavity;

[0009] Wherein, the outlet of the outer ring air inlet channel communicates with the second annular cavity, the mixed gas outlet communicates with the first annular cavity, and the included angle between the axis line of the outer ring air inlet channel and the annular baffle is 125 to 145 degrees.

[0010] By setting the angle between the axis line of the outer ring air inlet channel and the annular baffle to 125 - 145 degrees, when the gas enters the second annular cavity, it will not immediately enter the first annular cavity. Most of the gas will diffuse, move, and decelerate in the second annular cavity under the blockage of the annular retaining ring, greatly improving the uniformity of the gas dispersion in the entire second annular cavity. There will no longer be a situation where the gas concentration at the outlet position of the outer ring air inlet channel is much greater than that at the position without the outlet of the outer ring air inlet channel. Thus, when the mixed gas is discharged from the gas outlet and burns, the outer ring flame formed is relatively stable, and the combustion efficiency is relatively high. It can at least solve to a certain extent the technical problem that the gas concentration near the air inlet in the external mixing cavity is relatively high while the gas concentration far from the air inlet is relatively low, resulting in an unstable outer ring flame and low combustion efficiency. Moreover, under the blockage of the annular retaining ring, the gas will decelerate in the second annular cavity, reducing the gas velocity and avoiding the occurrence of flame lift phenomenon after the gas directly rushes out of the mixed gas outlet and burns, improving the stability of the flame.

[0011] In some embodiments, the distance between the inlet of the outer ring air inlet channel and the axis line of the annular mixing cavity is less than the distance between the outlet of the outer ring air inlet channel and the axis line of the annular mixing cavity.

[0012] By making the distance between the inlet of each outer ring air inlet channel and the axis line N less than the distance between the outlet of the outer ring air inlet channel and the axis line N, the size of the entire gas device can be reduced, and the manufacturing cost and occupied space can be reduced.

[0013] In some embodiments, the axis lines of multiple outer ring air inlet channels intersect the axis line of the annular mixing cavity at the same point.

[0014] By setting the axis lines of multiple outer ring air inlet channels to intersect the axis line of the annular mixing cavity at the same point, the size of the entire gas device can be further reduced, and the manufacturing cost and occupied space can be reduced.

[0015] In some embodiments, the included angle range between the axis line of the outer ring air inlet channel and the axis line of the annular mixing cavity is 35 degrees - 55 degrees.

[0016] By setting the included angle range between the axis line of the outer ring air inlet channel and the axis line of the annular mixing cavity to 35 degrees - 55 degrees, the size of the entire gas device can be further reduced, and the manufacturing cost and occupied space can be reduced.

[0017] In some embodiments, the gas device further includes a bottom cup fixedly connected to the mixing assembly, and multiple outer ring gas supply channels corresponding to multiple outer ring air inlet channels and coinciding with the axis lines of the outer ring air inlet channels are provided on the bottom cup.

[0018] By aligning the axis lines of the outer-ring gas supply channels with the corresponding outer-ring air intake channels, the gas can be better ejected from the outer-ring gas supply channels into the corresponding outer-ring air intake channels, improving the ejection efficiency.

[0019] In some embodiments, the gas mixing assembly includes an outer-ring burner cap and a gas distribution plate that are fixedly connected to form the annular gas mixing chamber. The mixed gas outlet is formed on the outer-ring burner cap, and the outer-ring air intake channel is formed on the gas distribution plate.

[0020] In some embodiments, the gas distribution plate includes a gas distribution seat with the outer-ring air intake channel formed thereon, and an inner retaining ring and an outer retaining ring that are fixedly arranged on the gas distribution seat and are oppositely disposed.

[0021] The annular retaining ring includes a fixing portion fixedly connected to the annular baffle and fixed on the outer retaining ring. By providing the fixing portion, the annular retaining ring is fixed on the outer retaining ring.

[0022] In some embodiments, a plurality of bosses for supporting the annular retaining ring are provided on the surface of the outer retaining ring opposite to the inner retaining ring or on the surface of the inner retaining ring opposite to the outer retaining ring.

[0023] By providing a plurality of bosses on the outer retaining ring or the inner retaining ring, the annular retaining ring is supported on the plurality of bosses and positioned, preventing the annular retaining ring from tilting or shifting.

[0024] In some embodiments, the distance between the annular baffle and the outer-ring burner cap is greater than or equal to 4 mm.

[0025] By setting the distance between the annular baffle and the outer-ring burner cap to be greater than or equal to 4 mm, the travel of the gas discharged from the mixed gas outlet 12 is greatly increased, enabling the mixed gas to be better mixed in the first annular chamber and the second annular chamber, and improving the uniformity of gas mixing and the uniformity of the distribution of the mixed gas in the annular gas mixing chamber.

[0026] An embodiment of the present application further provides a gas stove, which includes a burner and the above gas device.

[0027] By setting the included angle between the axis line of the outer ring air intake channel and the annular baffle to 125 - 145 degrees, when the gas enters the second annular cavity, it will not immediately enter the first annular cavity. Most of the gas will diffuse, move, and decelerate in the second annular cavity under the block of the annular retaining ring, greatly improving the uniformity of the gas dispersion in the entire second annular cavity. There will no longer be a situation where the gas concentration at the outlet position of the outer ring air intake channel is much greater than that at the position without the outlet of the outer ring air intake channel. As a result, when the mixed gas is discharged from the gas outlet and burned, the outer ring flame formed is relatively stable and the combustion efficiency is relatively high. It can at least to a certain extent solve the technical problem that the gas concentration near the air intake in the external mixing gas cavity is relatively high while the gas concentration far from the air intake is relatively low, resulting in an unstable outer ring flame and low combustion efficiency. Moreover, under the block of the annular retaining ring, the gas will decelerate in the second annular cavity, reducing the gas velocity and avoiding the occurrence of flame lift phenomenon after the gas directly rushes out of the mixed gas outlet and burns, improving the stability of the flame. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0029] Figure 1 Shows a three - dimensional structural schematic diagram of the gas device in the embodiment of the present application;

[0030] Figure 2 Shows Figure 1 a structural schematic diagram of another perspective of the gas device of the gas stove in

[0031] Figure 3 Shows Figure 1 an exploded view of the gas device in

[0032] Figure 4 Shows Figure 1 an exploded view of another perspective of the gas device in

[0033] Figure 5 Shows Figure 1 a structural schematic diagram of the gas distribution plate of the gas device in

[0034] Figure 6 Shows Figure 5 a structural schematic diagram of another perspective of the gas distribution plate in

[0035] Figure 7 Shows Figure 1 a bottom view of the gas device in

[0036] Figure 8 shows the Figure 7 A-A cross-sectional view of the gas device in

[0037] Figure 9 shows the Figure 7 B-B cross-sectional view of the gas device in

[0038] Figure 10 shows the Figure 1 schematic structural diagram of the bottom cup of the gas device in

[0039] Figure 11 schematic three-dimensional structure diagram of the gas stove in another embodiment.

[0040] Reference numerals:

[0041] Gas device - 100, gas mixing assembly - 10, annular gas mixing chamber - 11, first annular chamber - 111, second annular chamber - 112, mixed gas outlet - 12, 13, outer ring air inlet channel - 14, outer ring burner cap - 15, gas distribution plate - 16, gas distribution seat - 161, positioning hole - 1611, inner ring air inlet channel - 1612, inner ring gas mixing chamber - 1613, inner retaining ring - 162, outer retaining ring - 163, boss - 1631, positioning post - 1632, annular retaining ring - 20, annular baffle - 21, fixing hole - 22, fixing part - 23, inner ring burner cap - 30, bottom cup - 40, outer ring gas supply channel - 41, inner ring gas supply channel - 42. Detailed implementation manners

[0042] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0043] In addition, the present application may repeat reference numerals and / or reference letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but those of ordinary skill in the art can be aware of the application of other processes and / or the use of other materials.

[0044] Next, the present application will be described in conjunction with the accompanying drawings and with reference to specific embodiments:

[0045] The embodiments of the present application provide a gas device for a gas stove and a gas stove, which can at least to a certain extent solve the technical problems that the gas concentration near the air inlet in the external mixing cavity is large, while the gas concentration far from the air inlet is small, resulting in unstable outer ring fire and low combustion efficiency.

[0046] Embodiment 1

[0047] The present application provides a gas device 100 for a gas stove, as Figure 1 and Figure 2 shown, which are three-dimensional structure diagrams of the gas device 100 from two different perspectives. The gas device 100 is specifically a part of the gas stove, and is used to remix the supplied gas and air to improve the combustion efficiency.

[0048] At the same time, referring to Figure 3 and Figure 4 , Figure 3 and Figure 4 are exploded views of the gas device 100 from two different perspectives. The gas device 100 includes a gas mixing assembly 10 and an annular retaining ring 20.

[0049] At the same time, referring to Figure 7 , Figure 8 and Figure 9 , an annular gas mixing cavity 11, a mixed gas outlet, and an outer ring air inlet passage 14 are formed on the gas mixing assembly 10. Among them, the mixed gas outlet and the outer ring air inlet passage 14 are both communicated with the annular gas mixing cavity 11. Specifically, when the gas device 100 has an inner ring fire and an outer ring fire, the annular gas mixing cavity 11 is specifically an outer ring gas mixing cavity, which provides mixed gas for generating the outer ring fire. Specifically, the mixed gas outlet includes mixed gas outlets 12 and 13.

[0050] The number of the outer ring air inlet passages 14 is multiple, and the outlets of the multiple outer ring air inlet passages 14 are all communicated with the annular gas mixing cavity 11, and the outlets of the multiple outer ring air inlet passages 14 are arranged at intervals in the annular gas mixing cavity 11. In addition, the outer ring air inlet passage 14 is inclined.

[0051] Although the number of the outer ring air inlet passages 14 is set to be multiple, it is found in the using process that in the annular gas mixing cavity 11, the gas concentration at the outlet position of the outer ring air inlet passage 14 is much greater than that at the remaining positions in the annular gas mixing cavity 11, that is, the gas concentration in the annular gas mixing cavity 11 is seriously uneven, resulting in uneven mixed gas discharged from the mixed gas outlets 12 and 13, making the generated outer ring fire unstable and the combustion efficiency low. Moreover, the airflow ejected from the outer ring air inlet passage 14 will directly reach the burner cap. Due to the large gas pressure, it will directly rush out of the mixed gas outlets 12 and 13, with a large flame, resulting in the flame separating from the burner cap, generating flame lift-off and making the flame unstable.

[0052] Based on this, the present application adds an annular retaining ring 20 on the basis of the above-mentioned gas mixing assembly 10, and the annular retaining ring 20 is fixed in the annular gas mixing chamber 11 of the gas mixing assembly 10. The annular retaining ring 20 includes an annular baffle 21, and the annular baffle 21 divides the gas mixing chamber 11 into a first annular chamber 111 and a second annular chamber 112. The top of the first annular chamber 111 communicates with the second annular chamber 112.

[0053] The second annular chamber 112 communicates with the outer ring intake passage 14, and the fuel gas in the outer ring intake passage 14 enters the second annular chamber 112 through the outlet of the outer ring intake passage 14. The first annular chamber 111 communicates with the mixed gas outlet ports 12 and 13. The fuel gas enters the second annular chamber 112 from the outer ring intake passage 14, part of the fuel gas is discharged from the mixed gas outlet port 13 for combustion, and another part of the fuel gas enters the second annular chamber 112 and is discharged from the mixed gas outlet port 12 for combustion. Specifically, in the present embodiment, the top of the second annular chamber 112 is open.

[0054] In the present embodiment, the second annular chamber 112 is located slightly below the inner side of the first annular chamber 111, and the first annular chamber 111 is located slightly above the outer side of the second annular chamber 112. In other embodiments, the second annular chamber 112 is located slightly below the outer side of the first annular chamber 111, and the first annular chamber 111 is located slightly above the inner side of the second annular chamber 112.

[0055] Assume that the axis line of the outer ring intake passage 14 is L. In order to make the mixing uniformity of other substances higher, the included angle b between L and the annular baffle 21 is set to 125 to 145 degrees. The fuel gas discharged from the outlet of the outer ring intake passage 14 enters the second annular chamber 112. Since there is an included angle of 125 to 145 degrees between the central axis of the ring intake passage 14 and the annular baffle 21, the fuel gas will impact on the annular baffle 21 after entering the second annular chamber 112, and the flow travel of the fuel gas is increased, thereby realizing the mixing of the gas, improving the uniformity of the gas, and at the same time realizing the decompression of the fuel gas to achieve the purpose of deceleration, so as to avoid the phenomenon of flame detachment after the fuel gas directly rushes out of the mixed gas outlet port and burns, and improve the stability of the flame.

[0056] The fuel gas in the outer ring intake passage 14 enters the second annular chamber 112 of the gas mixing chamber 11 through the outlet of the outer ring intake passage 14; due to the provision of the annular retaining ring 20 and the included angle between L and the annular baffle 21 being 125 to 145 degrees, the fuel gas will not immediately enter the first annular chamber 111 after entering the second annular chamber 112. Most of the fuel gas will diffuse, move, and decelerate in the second annular chamber 112 under the blockage of the annular retaining ring 20, greatly improving the uniformity of the gas dispersion in the entire second annular chamber 112; then, part of the fuel gas is discharged from the mixed gas outlet port 13 for combustion, and another part of the fuel gas enters the second annular chamber 112 and is discharged from the mixed gas outlet port 12 for combustion.

[0057] By setting the angle between L and the annular baffle 21 to 125° to 145°, after the gas enters the second annular chamber 112, most of the gas will diffuse or move in the second annular chamber 112 under the blockage of the annular retaining ring 20, greatly improving the uniformity of the gas dispersion in the entire second annular chamber 112. There will no longer be a situation where the gas concentration at the outlet of the outer ring intake passage 14 is much greater than that at the position without the outlet of the outer ring intake passage 14. As a result, the outer ring flame formed during combustion after the mixed gas is discharged from the gas outlet is relatively stable, and the combustion efficiency is relatively high. It can at least solve to a certain extent the technical problem that the gas concentration near the intake port in the external mixing gas chamber is large while the gas concentration far from the intake port is small, resulting in an unstable outer ring flame and low combustion efficiency. Moreover, under the blockage of the annular retaining ring 20, the gas will decelerate in the second annular chamber 112, reducing the gas velocity and avoiding the occurrence of a flame lift phenomenon after the gas directly rushes out of the mixed gas outlet and burns, thus improving the stability of the flame.

[0058] One end of L located at the inlet of the outer ring intake passage 14 intersects with the axis N of the annular mixing chamber 11. In some embodiments, assuming the distance between the inlet of the outer ring intake passage 14 and the axis N of the annular mixing chamber 11 is L1, and the distance between the outlet of the outer ring intake passage 14 and the axis N of the annular mixing chamber 11 is L2, where L1 is less than L2. Specifically, the distances between the inlet and the outlet of each outer ring intake passage 14 and the axis N are different, and the distance between the inlet of each outer ring intake passage 14 and the axis N is less than the distance between the outlet of the outer ring intake passage 14 and the axis N. Additionally, the distances between the inlets of the multiple outer ring intake passages 14 and the axis N can be set to be the same or different, and the distances between the outlets of the multiple outer ring intake passages 14 and the axis N can be set to be the same or different. In this embodiment, the distances between the inlets of the multiple outer ring intake passages 14 and the axis N are set to be the same, and the distances between the outlets of the multiple outer ring intake passages 14 and the axis N are also set to be the same. By making the distance between the inlet of each outer ring intake passage 14 and the axis N less than the distance between the outlet of the outer ring intake passage 14 and the axis N, the size of the entire gas device can be reduced, and the manufacturing cost and occupied space can be decreased.

[0059] In a specific embodiment, the central axes of the annular baffle 21 and the annular mixing chamber 11 coincide.

[0060] Further, the L of each outer-ring intake passage 14 among the multiple outer-ring intake passages 14 intersects the axis line N of the annular mixing chamber 11 at the same point. By setting the L of the multiple outer-ring intake passages 14 to intersect the axis line N of the annular mixing chamber 11 at the same point, the size of the entire gas device can be further reduced, and the manufacturing cost and the occupied space can be reduced.

[0061] In addition, the axis line of the outer-ring intake passage 14 is L, and the axis line of the annular mixing chamber 11 is N. In some embodiments, the included angle a between L and N ranges from 35 degrees to 55 degrees. By setting the included angle a between L and N to range from 35 degrees to 55 degrees, the size of the entire gas device can be further reduced, and the manufacturing cost and the occupied space can be reduced.

[0062] In this embodiment, the number of the outer-ring intake passages 14 is 4, and the outlets of the 4 outer-ring intake passages 14 are evenly spaced in the annular mixing chamber 11. The included angle between two adjacent outer-ring intake passages 14 is 45 degrees. In other embodiments, the number of the outer-ring intake passages 14 can also be set as needed, such as 2, 3, 5, 6, etc., and can be specifically arranged and set as needed. The included angle between two adjacent outer-ring intake passages 14 can also be set as needed.

[0063] Refer to Figure 5 and Figure 6 , in some embodiments, the mixing assembly 10 includes an outer-ring burner cap 15 and a gas distribution plate 16. A first annular groove is formed on the outer-ring burner cap 15. A second annular groove is formed on the gas distribution plate 16. The outer-ring burner cap 15 and the gas distribution plate 16 are fixed to each other. Specifically, in this embodiment, the outer-ring burner cap 15 and the gas distribution plate 16 are snap-fitted to each other. After the outer-ring burner cap 15 and the gas distribution plate 16 are snap-fitted to each other, the first annular groove and the second annular groove are opposite to each other to form the annular mixing chamber 11. The annular retaining ring 20 is located between the outer-ring burner cap 15 and the gas distribution plate 16 to divide the formed annular mixing chamber 11 into a first annular chamber 111 and a second annular chamber 112. In this embodiment, the outer-ring burner cap 15 is annular, and the mixed gas outlet ports 12 and 13 are formed on the outer-ring burner cap 15. Specifically, the mixed gas outlet port 12 is formed on the outer side wall of the outer-ring burner cap 15, and the mixed gas outlet port 13 is formed on the inner side wall of the outer-ring burner cap 15. The outer-ring intake passage 14 is formed on the gas distribution plate 16. By setting the mixing assembly 10 to include the outer-ring burner cap 15 and the gas distribution plate 16, and the outer-ring burner cap 15 and the gas distribution plate 16 are snap-fitted to each other to form the annular mixing chamber 11 after snap-fitting, it is convenient to arrange the annular retaining ring 20 between the outer-ring burner cap 15 and the gas distribution plate 16 and fix the annular retaining ring 20.

[0064] Suppose the distance between the annular baffle 21 and the outer ring burner cap 15 is X. In this embodiment, X is greater than or equal to 4 mm. By setting X to a distance greater than or equal to 4 mm, the travel of the gas discharged from the mixed gas outlet 12 is greatly increased, enabling the gas to be fully mixed and decompressed and decelerated, improving the uniformity of mixing, and further improving the stability of the flame.

[0065] In some embodiments, the gas distribution plate 16 includes a gas distribution seat 161, an inner retaining ring 162, and an outer retaining ring 163. The inner retaining ring 162 and the outer retaining ring 163 are substantially annular, and the inner retaining ring 162 and the outer retaining ring 163 are fixed to the gas distribution seat 161. The inner retaining ring 162 and the outer retaining ring 163 are opposite to each other, and the inner retaining ring 162 is fixed to the inner side of the outer retaining ring 163 to form a second annular groove with the gas distribution seat 161 as the groove bottom and the inner retaining ring 162 and the outer retaining ring 163 as the side walls. The outer ring intake passage 14 is inclinedly formed on the gas distribution seat 161.

[0066] Specifically, the outer retaining ring 163 is provided with a plurality of bosses 1631. The plurality of bosses 1631 are located on the surface of the outer retaining ring 163 opposite to the inner retaining ring. The annular retaining ring 20 is supported on the plurality of bosses 1631. Correspondingly, the annular retaining ring 20 further includes a fixing portion 23, and the fixing portion 23 is fixedly connected to the annular baffle 21. In this embodiment, the annular retaining ring 20 is an integrally formed element. In other embodiments, the fixing portion 23 and the annular baffle 21 can also be fixedly connected by bonding, welding, etc. The fixing portion 23 is fixed to the outer retaining ring 163. In this embodiment, in order to adapt to the shape of the outer retaining ring 163 and fix the annular retaining ring 20 to the outer retaining ring 163, the fixing portion 23 is perpendicularly connected to the annular baffle 21. In other embodiments, it can be adapted according to the specific shape of other parts, and is not limited to the perpendicular connection method.

[0067] A plurality of fixing holes 22 are formed in the fixing part 23, and the number of the fixing holes 22 can be less than or equal to the number of the plurality of bosses 1631. When the number of the fixing holes 22 is equal to the number of the plurality of bosses 1631, the positions of the plurality of fixing holes 22 correspond to the positions of the plurality of bosses 1631 one by one. When the number of the fixing holes 22 can be less than the number of the plurality of bosses 1631, the fixing holes 22 correspond to some of the bosses 1631. In the present embodiment, the number of the fixing holes 22 is 2. In other embodiments, the number of the bosses 1631 is 4. After the annular retaining ring 20 is placed on the plurality of bosses 1631, it is fixed to the bosses 1631 by a fixing member passing through the fixing holes 22, so as to fix the annular retaining ring 20 to the outer retaining ring 163. In other embodiments, the number of the bosses 1631 and the fixing holes 22 can be set as required, such as 3, 4, 5, etc. In addition, a plurality of bosses can also be provided on the inner retaining ring 162, specifically on the surface of the inner retaining ring 162 opposite to the outer retaining ring 163. By providing a plurality of bosses 1631 on the outer retaining ring 163 or the inner retaining ring 162, the annular retaining ring 20 is supported on the plurality of bosses 1631 and positioned, so as to prevent the annular retaining ring 20 from tilting or shifting.

[0068] In the present embodiment, the gas distribution seat 161 and the inner retaining ring 162 are integrally formed, that is, the gas distribution seat 161 and the inner retaining ring 162 form an independent component, and the outer retaining ring 163 is fixed to the gas distribution seat 161 by a fixing method. Specifically, a plurality of spaced positioning holes 1611 are formed on the outer circumference of the gas distribution seat 161, and positioning posts 1632 corresponding to the positioning holes 1611 one by one are provided at the bottom of the outer retaining ring 163. When it is necessary to fix the outer retaining ring 163 to the gas distribution seat 161, only need to insert the positioning posts 1632 into the positioning holes 1611 respectively, then the outer retaining ring 163 can be fixed to the gas distribution seat 161, thus forming the gas distribution disc 16. By integrally forming the gas distribution seat 161 and the inner retaining ring 162, and setting the outer retaining ring 163 to be fixed on the gas distribution seat 161, it is convenient to form the outer ring intake passage 14 on the gas distribution seat 161 better. In other embodiments, the outer retaining ring 163 can also be set to be integrally formed with the gas distribution seat 161, the inner retaining ring 162 can be set to be fixed on the gas distribution seat 161, or the gas distribution seat 161, the inner retaining ring 162 and the outer retaining ring 163 can all be set to be integrally formed.

[0069] In addition to the outer ring intake passage 14 provided in the gas distribution seat 161, the gas distribution seat 161 further includes an inner ring intake passage 1612. The inner ring intake passage 1612 is located in the middle of the gas distribution seat 161 and is located between a plurality of outer ring intake passages 14. The inner ring intake passage 1612 supplies gas for the inner ring flame. The axis line of the inner ring intake passage 1612 coincides with the axis line of the annular mixing chamber 11. By providing the inner ring intake passage 1612, gas for the inner ring flame can be provided for the gas device 100, so that when the diameter of the outer ring flame is relatively large, a central fire source can be provided, improving the convenience of use for users. In this embodiment, when the diameter of the outer ring intake passage 14 is small and only the outer ring flame is provided to meet the use requirements, the inner ring intake passage 1612 may not be provided, and only the outer ring intake passage 14 is provided, which can be specifically set according to factors such as needs or usage habits.

[0070] When the gas distribution seat 161 includes the inner ring intake passage 1612, the gas device 100 further includes an inner ring burner cap 30. The inner ring burner cap 30 is fixed on the gas distribution seat 161 to form an inner ring mixing chamber 1613. A mixed gas outlet 12 is provided on the outer side wall of the inner ring burner cap 30, and a mixed gas outlet 13 is provided on the inner side wall of the inner ring burner cap 30. The gas discharged from the inner ring intake passage 1612 enters the inner ring mixing chamber 1613 between the inner ring burner cap 30 and the gas distribution seat 161. After being discharged through the mixed gas outlet 12 on the top plate of the inner ring burner cap 30, it is ignited by the igniter to form an inner ring flame.

[0071] As Figure 10 shown, the gas device 100 further includes a bottom cup 40. An outer ring gas supply passage 41 and an inner ring gas supply passage 42 are provided on the bottom cup 40. The outer ring gas supply passage 41 corresponds to a plurality of outer ring intake passages 14 one by one. The inner ring gas supply passage 42 corresponds to the inner ring intake passage 1612. The axis line of the outer ring gas supply passage 41 coincides with the axis line of the corresponding outer ring intake passage 14. The axis line of the inner ring intake passage 1612 coincides with the axis line of the inner ring gas supply passage 42. Among them, the outer ring gas supply passage 41 and the inner ring gas supply passage 42 are communicated with the burner 210. Specifically, the outer ring gas supply passage 41 is communicated with the outer ring ejector tube 220 of the burner 210, and the inner ring gas supply passage 42 is communicated with the inner ring ejector tube 230 of the burner 210 to supply gas for the outer ring intake passage 14 and the inner ring intake passage 1612 respectively. By making the axis line of the outer ring gas supply passage 41 coincide with the axis line of the corresponding outer ring intake passage 14 and the axis line of the inner ring intake passage 1612 coincide with the axis line of the inner ring gas supply passage 42, the gas can be better ejected from the outer ring gas supply passage 41 into the corresponding outer ring intake passage 14 and from the inner ring gas supply passage 42 into the inner ring intake passage 1612, improving the ejection efficiency.

[0072] Embodiment Two

[0073] Based on the same inventive concept, the present application provides a gas stove 200, as Figure 11 shown, the gas stove includes the gas device and the burner described in Embodiment 1.

[0074] Set the angle between L and the annular baffle 21 to 125° - 145°. After the gas enters the second annular cavity 112, it will not immediately enter the first annular cavity 111. Most of the gas will diffuse, move, and decelerate in the second annular cavity 112 under the blockage of the annular retaining ring 20, greatly improving the uniformity of the gas dispersion in the entire second annular cavity 112. There will no longer be a situation where the gas concentration at the outlet position of the outer ring intake passage 14 is much greater than that at the position without the outlet of the outer ring intake passage 14. Furthermore, when the mixed gas burns and is discharged from the gas outlet, the outer ring flame formed is relatively stable and has a high combustion efficiency. It can at least solve to a certain extent the technical problems that the gas concentration near the intake port in the external mixing gas cavity is large, while the gas concentration far from the intake port is small, resulting in uneven mixing of gas and air, unstable outer ring flame, and low combustion efficiency. Moreover, under the blockage of the annular retaining ring 20, the gas will decelerate in the second annular cavity 112, reducing the gas velocity and avoiding the occurrence of flame lift phenomenon after the gas directly rushes out of the mixed gas outlet and burns, thus improving the stability of the flame.

[0075] In the present application, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include direct contact between the first and second features, or may include the first and second features not being in direct contact but being in contact through additional features therebetween. Moreover, the first feature being "above", "over", and "on" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature has a higher horizontal height than the second feature. The first feature being "below", "beneath", and "under" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the first feature has a lower horizontal height than the second feature.

[0076] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0077] It should be noted that all the directional indications in the embodiments of the present application are only used to explain the relative positional relationship, movement conditions, etc. between components in a specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0078] In the present application, unless otherwise clearly defined and limited, the terms "connected", "fixed", etc. shall be understood in a broad sense. For example, "fixed" can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal connection of two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0079] In addition, in the present application, descriptions such as "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more, unless otherwise clearly and specifically defined.

[0080] In the description of this specification, the descriptions with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine the different embodiments or examples described in this specification.

[0081] In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present application.

[0082] Although the embodiments of the present application have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present application. The scope of the present application is defined by the claims and their equivalents.

Claims

1. A gas device for a gas stove, characterized in that, the gas device includes: a gas mixing component, which is provided with an annular gas mixing cavity, a mixed gas outlet communicated with the annular gas mixing cavity, and a plurality of outer ring air inlet channels, and the plurality of outer ring air inlet channels are arranged at intervals; an annular retaining ring, fixed in the annular gas mixing cavity, the annular retaining ring includes an annular baffle plate that divides the gas mixing cavity into a first annular cavity and a second annular cavity, the top of the first annular cavity is communicated with the second annular cavity, and the annular baffle plate coincides with the central axis of the annular gas mixing cavity; wherein, the outlet of the outer ring air inlet channel is communicated with the second annular cavity, the mixed gas outlet is communicated with the first annular cavity, and the included angle between the central axis of the outer ring air inlet channel and the annular baffle plate is 125°-145°.

2. The gas device according to claim 1, characterized in that, the distance between the inlet of the outer ring air inlet channel and the central axis of the annular gas mixing cavity is less than the distance between the outlet of the outer ring air inlet channel and the central axis of the annular gas mixing cavity.

3. The gas device according to claim 2, characterized in that, the central axes of the plurality of outer ring air inlet channels intersect at the same point with the central axis of the annular gas mixing cavity.

4. The gas device according to claim 2, characterized in that, the included angle range between the central axis of the outer ring air inlet channel and the central axis of the annular gas mixing cavity is 35°-55°.

5. The gas device according to any one of claims 1-4, characterized in that, the gas device further includes a bottom cup fixedly connected to the gas mixing component, and a plurality of outer ring gas supply channels corresponding to and communicated with the plurality of outer ring air inlet channels and coinciding with the central axis of the outer ring air inlet channel are arranged on the bottom cup.

6. The gas device according to any one of claims 1-4, characterized in that, the gas mixing component includes an outer ring burner cap and a gas distribution plate that are fixedly formed to form the annular gas mixing cavity, the mixed gas outlet is opened on the outer ring burner cap, and the outer ring air inlet channel is opened on the gas distribution plate.

7. The gas device according to claim 6, characterized in that, the gas distribution plate includes a gas distribution seat provided with the outer ring air inlet channel, and an inner retaining ring and an outer retaining ring that are fixedly arranged on the gas distribution seat and are oppositely arranged.

8. The gas device according to claim 7, characterized in that, the annular retaining ring includes a fixing part fixedly connected to the annular baffle plate and fixed on the outer retaining ring.

9. The gas device according to claim 7, characterized in that, a plurality of bosses for supporting the annular retaining ring are arranged on the surface of the outer retaining ring opposite to the inner retaining ring or the surface of the inner retaining ring opposite to the outer retaining ring.

10. The gas device according to any one of claims 1-4, 7-9, characterized in that, the distance between the annular baffle plate and the outer ring burner cap is greater than or equal to 4 mm.

11. A gas stove, characterized in that, the gas stove includes a burner and the gas device according to any one of claims 1-10.

Images