CN212719735U - Gas burner and cooking utensils - Google Patents
Gas burner and cooking utensils Download PDFInfo
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- CN212719735U CN212719735U CN202021233872.XU CN202021233872U CN212719735U CN 212719735 U CN212719735 U CN 212719735U CN 202021233872 U CN202021233872 U CN 202021233872U CN 212719735 U CN212719735 U CN 212719735U
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Abstract
The utility model belongs to the technical field of the gas-cooker, in particular to gas burner and cooking utensils. The gas burner comprises a base, wherein the base comprises a lower fire cover chassis and an upper fire cover chassis; the upper fire cover chassis and the lower fire cover chassis are combined to form an outer ring gas cavity and an intermediate ring gas cavity; at least one gas channel is arranged between the outer ring gas cavity and the middle ring gas cavity, and the gas channel is provided with an air inlet. The gas channel gradually shrinks from the outer ring gas cavity to the middle ring gas cavity. The base of the utility model adopts a split structure, which is convenient for installation and disassembly; the air pressure in the gas cavities of the inner ring and the outer ring is balanced through the common air inlet, so that the flame at the fire covers of the inner ring and the outer ring tends to be equal in height, and the stability of the flame is improved; meanwhile, the mixing degree of the gas and the air can be improved, so that the gas can be sufficiently combusted, and the combustion efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of the gas-cooker, in particular to gas burner and cooking utensils.
Background
At present, the fire plates of the existing household gas stove only have two fire plates, an inner ring and an outer ring are of independent structures, in actual use, air and gas are not sufficiently mixed, so that combustion is insufficient, the gas utilization rate is low, and carbon black is easily formed on a distributor. Simultaneously, during traditional combustor burning, because do not set up air in the distributor and supply passageway and distributor structure too complicated, blockked the air and supplemented to the distributor on through the distributor bottom, be unfavorable for the lasting abundant burning of gas, have certain limitation.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a gas burner and cooking utensils can improve the mixed degree of gas and air.
In one aspect of the embodiment of the utility model, a gas burner is provided, which comprises a base, wherein the base comprises a lower fire cover chassis and an upper fire cover chassis; the upper fire cover chassis and the lower fire cover chassis are combined to form an outer ring gas cavity and an intermediate ring gas cavity; at least one gas channel is arranged between the outer ring gas cavity and the middle ring gas cavity, and the gas channel is provided with an air inlet.
In a possible implementation manner, the gas channel gradually shrinks from the outer ring gas cavity to the middle ring gas cavity.
In a possible implementation manner, a flow guide portion is arranged at one end of the gas channel communicated with the outer ring gas cavity, and the flow guide portion is used for shunting gas entering the outer ring gas cavity from the gas channel.
In one possible implementation, the flow guiding part comprises a flow guiding plate and a flow guiding column; the guide plate is horizontally arranged above the gas channel and is connected with the upper fire cover bottom plate; the flow guide column is arranged in the middle of the outlet of the fuel gas channel; the upper end of the flow guide column is connected with the flow guide plate, and the lower end of the flow guide column is connected with the lower fire cover chassis.
In a possible implementation mode, the end that the gas passageway with intermediate ring gas chamber is connected is equipped with reposition of redundant personnel portion I, reposition of redundant personnel portion I be equipped with a plurality of reposition of redundant personnel holes I of intermediate ring gas chamber intercommunication.
In one possible implementation manner, the upper fire cover base plate comprises an inner wall of a middle ring gas cavity, an outer wall of the middle ring gas cavity and an inner wall of an outer ring gas cavity;
the inner wall of the middle ring gas cavity and the outer wall of the middle ring gas cavity are combined to form the middle ring gas cavity, the outer wall of the middle ring gas cavity is provided with a middle ring gas cavity gas inlet, and the middle ring gas cavity gas inlet is communicated with one end of the gas channel;
and an outer ring gas cavity air inlet is formed in the inner wall of the outer ring gas cavity and communicated with the other end of the gas channel.
In one possible implementation, the lower fire cover chassis comprises a lower fire cover chassis bottom plate and an outer ring gas cavity outer wall; the bottom plate of the lower fire cover chassis is provided with an air supplementing hole and the air inlet;
the outer wall of the outer ring gas cavity is arranged on the outer circumference of the bottom plate of the lower fire cover chassis; the outer ring gas cavity outer wall and the outer ring gas cavity inner wall are combined to form the outer ring gas cavity.
In a possible implementation manner, a small fire cover chassis positioned on the inner side of the middle ring gas cavity is arranged on the upper fire cover chassis, and a middle air inlet channel is arranged on the small fire cover chassis; the upper end of the middle air inlet channel is provided with a flow dividing part II, and the flow dividing part II is provided with a plurality of flow dividing holes II.
In one possible implementation, the gas burner further comprises a fire cover assembly, wherein the fire cover assembly comprises a small fire cover, a middle fire cover and an outer fire cover;
the small fire cover is covered on the small fire cover chassis;
the middle fire cover is covered on the middle ring gas cavity;
the outer fire cover is arranged on the outer ring gas cavity.
In one possible implementation manner, a plurality of gas fire holes are formed in the inner side wall and the outer side wall of each of the outer fire cover and the middle fire cover along the circumferential direction, and each of the gas fire holes is arranged obliquely upwards;
the outer side wall of the outer fire cover and the outer side wall of the middle fire cover are also provided with a plurality of flame stabilizing holes along the circumferential direction, and the flame stabilizing holes are positioned below the gas fire holes and alternately arranged at intervals with the gas fire holes.
In another aspect of the embodiments of the present invention, there is provided a cooking appliance, including the gas burner as described above.
In the gas burner and the stove provided by the embodiment of the utility model, the base adopts a split structure, and the upper fire cover chassis and the lower fire cover chassis are combined to form an outer ring gas cavity and a middle ring gas cavity, so that the gas burner and the stove are convenient to install and disassemble; at least one gas channel is arranged between the outer ring gas cavity and the middle ring gas cavity, the gas channel is provided with a gas inlet, and the balance of the gas pressure in the inner ring gas cavity and the outer ring gas cavity is ensured through the common gas inlet, so that the flame at the fire covers of the inner ring and the outer ring tends to be equal in height, and the stability of the flame is improved; meanwhile, the mixing degree of the gas and the air can be improved, so that the gas can be sufficiently combusted, and the combustion efficiency is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a gas burner according to an embodiment of the present invention;
fig. 2 is an isometric view of a gas burner in an embodiment of the present invention;
fig. 3 is an exploded view of a gas burner according to an embodiment of the present invention;
fig. 4 is a schematic structural view of an upper fire cover chassis according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a lower fire cover chassis according to an embodiment of the present invention;
fig. 6 is a schematic structural view of an intermediate fire cover according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a small fire cover according to an embodiment of the present invention.
In the figure: 1 is little fire lid, 2 is middle fire lid, 3 is outer fire lid, 4 is fire lid chassis down, 5 is the air inlet, 6 is fire lid chassis up, 7 is middle inlet channel, 8 is connecting portion, 9 is water conservancy diversion portion, 901 is the guide plate, 902 is the water conservancy diversion post, 10 is outer loop gas chamber, 11 is the gas passageway, 12 is the air supply hole, 13 is middle ring gas chamber, 14 is reposition of redundant personnel portion I, 15 is little fire lid chassis, 16 is reposition of redundant personnel portion II, 17 is outer loop gas chamber inner wall, 18 is fire lid chassis bottom plate down, 19 is outer loop gas chamber outer wall, 20 is the gas fire hole, 21 is the steady flame hole, 22 is the annular groove, 23 is inner loop fire hole, 24 is reposition of redundant personnel hole I, 25 is middle ring gas chamber outer wall, 26 is middle ring gas chamber inner wall, 27 is reposition of redundant personnel hole II.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
An embodiment of the utility model provides a pair of gas burner can effectively improve flame's stability, prevents that inside and outside ring fire lid from producing the phenomenon that flame height is uneven when using, makes the gas fully burn when burning, improves the utilization ratio of gas. Referring to fig. 1 to 3, the gas burner comprises a base which is of a split structure and comprises a lower fire cover chassis 4 and an upper fire cover chassis 6; go up fire lid chassis 6 and can dismantle with lower fire lid chassis 4 and be connected the combination and form outer loop gas chamber 10 and intermediate ring gas chamber 13 to be equipped with at least one gas passageway 11 between outer loop gas chamber 10 and the intermediate ring gas chamber 13, gas passageway 11 is equipped with air inlet 5. The mixed gas flow of gas and air enters the gas channel 11 from the gas inlet 5 and is shunted to the outer ring gas cavity 10 and the middle ring gas cavity 13 towards two sides, and gas with balanced air pressure is provided for the outer ring and the middle ring fire cover, so that the stability of flame is improved.
Referring to fig. 4, in the embodiment of the present invention, the upper fire cover chassis 6 is provided with the middle ring gas chamber 13 and the small fire cover chassis 15 located inside the middle ring gas chamber 13, the small fire cover chassis 15 is connected by a plurality of connecting ribs distributed along the circumferential direction, a larger gap is formed between two adjacent connecting ribs, and the gap provides a passage for the supplement of the secondary air. Little fire lid chassis 15 is equipped with and puts inlet channel 7 in, and the upper end of putting inlet channel 7 in is equipped with reposition of redundant personnel portion II 16, is equipped with a plurality of diffluence holes II 27 on the reposition of redundant personnel portion II 16, and diffluence holes II 27 are used for carrying out the reposition of redundant personnel decompression to upward spun gas and air mixture, avoid the high-pressure blowout of gas mixture to form high flame, cause the danger of scalding or lighting top object.
Referring to fig. 1, in the embodiment of the present invention, the gas burner further includes a fire cover assembly, the fire cover assembly includes a small fire cover 1, a middle fire cover 2 and an outer fire cover 3, the small fire cover 1 covers the flow dividing portion ii 16 of the small fire cover chassis 15, the middle fire cover 2 covers the middle ring gas chamber 13, and the outer fire cover 3 covers the outer ring gas chamber 10.
Referring to fig. 2, in the embodiment of the present invention, the gas channel 11 gradually shrinks from the outer ring gas cavity 10 to the middle ring gas cavity 13 to balance the gas supply to the outer ring gas cavity 10 and the middle ring gas cavity 13, so as to meet the requirement that the gas supply required by the outer ring gas cavity 10 and the middle ring gas cavity 13 is different due to different volumes.
The utility model discloses an in the embodiment, the one end that gas passageway 11 and outer loop gas chamber 10 communicate is equipped with water conservancy diversion portion 9, and water conservancy diversion portion 9 is used for the reposition of redundant personnel to get into the gas in outer loop gas chamber 10 by gas passageway 11, promotes the mixture of gas and air, makes subsequent burning more abundant, improves the utilization ratio of gas, reduces the production of carbon black in the follow-up combustion process.
On the basis of the above embodiment, referring to fig. 4, the flow guiding part 9 includes a flow guiding plate 901 and a flow guiding column 902, the flow guiding plate 901 is horizontally disposed above the gas channel 11 and connected to the upper fire cover bottom plate 6; the horizontal setting of guide plate 901 is in order to block and push down the mist in the top of gas channel 11, avoids the too high phenomenon of flame that the exit of gas channel 11 mixed gas's volume is many and fast. The flow guide column 902 is arranged in the middle of the outlet of the gas channel 11, the upper end of the flow guide column 902 is connected with the flow guide plate 901, and the lower end is connected with the lower fire cover chassis 4. The flow guide column 902 is arranged in the middle of the outlet of the gas channel 11, and can divide the mixed gas at the outlet of the gas channel 11 to further fully mix the gas and the air; meanwhile, the flow guide column 902 functions as a connecting member to reliably connect the upper fire cover chassis 6 and the lower fire cover chassis 4 as a whole.
In this embodiment, the guide plate 901, the guide column 902 and the upper fire cover chassis 6 are of an integrated structure, and the lower end of the guide column 902 is connected with the lower fire cover chassis 4 through a bolt, so that the disassembly is convenient.
Referring to fig. 4, in the embodiment of the present invention, a branch portion i 14 is disposed at one end of the gas passage 11 connected to the middle ring gas chamber 13, and the branch portion i 14 is disposed with a plurality of branch holes i 27 communicated with the middle ring gas chamber 13. The mixed air current of gas and air in the gas passageway 11 is shunted and is got into intermediate ring gas chamber 13 through reposition of redundant personnel hole I27, and reposition of redundant personnel hole I27 promotes the mixture of gas and air, makes subsequent burning more abundant, improves the utilization ratio of gas.
On the basis of the above embodiment, the upper fire cover chassis 6 comprises an intermediate ring gas cavity inner wall 26, an intermediate ring gas cavity outer wall 25 and an outer ring gas cavity inner wall 17, and the intermediate ring gas cavity inner wall 26 and the bottom of the intermediate ring gas cavity outer wall 25 are connected and combined to form the intermediate ring gas cavity 13. The gas channel 11 is arranged between the outer wall 25 of the middle ring gas cavity and the inner wall 17 of the outer ring gas cavity, the outer wall 25 of the middle ring gas cavity is provided with a middle ring gas cavity gas inlet, and the middle ring gas cavity gas inlet is communicated with one end of the gas channel 11; an outer ring gas cavity air inlet is formed in the inner wall 17 of the outer ring gas cavity, and is communicated with the other end of the gas channel 11.
In this embodiment, the outer wall 25 of the middle ring gas cavity and the inner wall 17 of the outer ring gas cavity are connected by four gas channels 11 uniformly distributed along the circumferential direction, and each gas channel is radially arranged to provide a mixed gas through the four gas channels 11. The four gas channels 11 are relatively large gaps, so that secondary air is fully supplied, and the combustion efficiency is improved.
On the basis of the above embodiment, referring to fig. 5, the lower fire cover chassis 4 includes a lower fire cover chassis base plate 18 and an outer ring gas cavity outer wall 19, the lower fire cover chassis base plate 18 is provided with an air supplement hole 12 and an air inlet 5; the air supply hole 12 supplies external air to the combustion area, thereby improving the stability of combustion. Outer ring gas chamber outer wall 19 sets up on the outer circumference of lower fire lid chassis bottom plate 18, and outer ring gas chamber outer wall 19 forms outer ring gas chamber 10 with outer ring gas intracavity wall 17 combination.
Specifically, as shown in fig. 5, four air inlets 5 are uniformly distributed on the bottom plate 18 of the lower fire cover chassis along the circumferential direction, the four air inlets 5 correspond to the four gas passages 11 on the bottom plate 6 of the upper fire cover respectively, the four air inlets 5 are connected with four injection pipes respectively, the gas injected by the injection pipes enters the middle ring gas cavity 13 and the outer ring gas cavity 10 through the air inlets 5, and the flow rate is high, and the power and the energy efficiency are high.
Referring to fig. 6, in the embodiment of the utility model, all be equipped with a plurality of gas fire holes 20 along circumference on the inside and outside wall of outer fire lid 3 and middle fire lid 2, each gas fire hole 20 all inclines upward to set up, so that the gas smoothly spouts from inside to outside, and the smoothness is good, and the velocity of flow is high, makes the combustible gas burning more abundant to improve holistic power. Preferably, the gas fire holes 20 on both sides are symmetrically arranged, so that the gas pressures in the middle ring gas cavity 13 and the outer ring gas cavity 10 are balanced, the gas outlet flow of the gas fire holes 20 on both sides is balanced, and the stability of flame is improved. In this embodiment, the gas fire holes 20 on the outer fire cover 3 and the middle fire cover 2 are distributed more, the total area of the fire holes is larger, and the power is improved higher.
On the basis of the above embodiment, a plurality of flame stabilizing holes 21 are further arranged on the outer side walls of the outer fire cover 3 and the middle fire cover 2 along the circumferential direction, and the flame stabilizing holes 21 are located below the gas fire holes 20 and alternately arranged with the gas fire holes 20 at intervals.
Referring to fig. 7, in the embodiment of the present invention, an annular groove 22 is circumferentially disposed on the small fire cover 2, and a plurality of inner fire holes 23 are circumferentially disposed in the annular groove 22, which is beneficial to the initial ignition effect, so that the ignition speed is increased and the efficiency is improved. The airflow entering from the middle air inlet channel 7 is guided into the small fire cover 2 by the flow dividing part II 16 of the small fire cover chassis 15 and then is sprayed out from the inner ring fire hole 23 on the small fire cover 2. The diffluence hole II 27 on the diffluence part II 16 is used for diffluence mixing of the combustible gas entering the middle air inlet channel 7, the integral mixing degree of the combustible gas is promoted, the combustible gas is prevented from being directly sprayed out from the small fire cover 2, and the poor condition of instantaneous high flame is generated by ignition.
The embodiment of the utility model provides an in, the during operation of gas burner, the mixed gas stream of gas and air gets into gas channel 11 by air inlet 5, and the gas mixture in the gas channel 11 is shunted to both sides, and wherein one side in the I27 entry intermediate ring gas chamber 13 of diffluence hole on the I14 of reposition of redundant personnel portion, diffluence hole I27 promotes the mixture of gas and air, and the follow-up burning of fire lid 2 is more abundant in the middle of the messenger, improves the utilization ratio of gas. The mixed gas of the other side enters the outer ring gas cavity 10 through the diversion part 9 in a shunting manner, so that the gas and the air are further fully mixed, the subsequent combustion of the outer fire cover 3 is more sufficient, and the utilization rate of the gas is improved. Because the middle ring gas cavity 13 and the outer ring gas cavity 10 are communicated with each other, the gas pressure can reach balance, thereby balancing the gas outlet flow of the outer fire cover 3 and the middle fire cover 2 and improving the stability of flame.
In another aspect of the embodiments of the present invention, a cooking appliance is provided, which includes the above gas burner. The gas burner is arranged at the top of the stove, and the function of combustion is realized through the gas burner. During operation, provide the gas for intermediate ring gas chamber 13 and outer loop gas chamber 10 through gas channel 11, make the atmospheric pressure in intermediate ring gas chamber 13 and the outer loop gas chamber 10 balanced to the water conservancy diversion structure through gas channel 11 both ends improves the mixed degree of gas and air, with the burning and the heating effect that improve cooking utensils, user uses and experiences and improve greatly.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (11)
1. A gas burner is characterized by comprising a base, wherein the base comprises a lower fire cover chassis and an upper fire cover chassis;
the upper fire cover chassis and the lower fire cover chassis are combined to form an outer ring gas cavity and an intermediate ring gas cavity; at least one gas channel is arranged between the outer ring gas cavity and the middle ring gas cavity, and the gas channel is provided with an air inlet.
2. The gas burner of claim 1, wherein said gas passages are tapered from said outer annular gas chamber to said intermediate annular gas chamber.
3. The gas burner of claim 1, wherein a flow guide portion is provided at an end of the gas channel communicating with the outer ring gas chamber, the flow guide portion being configured to divert gas entering the outer ring gas chamber from the gas channel.
4. The gas burner of claim 3, wherein the flow guide portion includes a flow guide plate and a flow guide post;
the guide plate is horizontally arranged above the gas channel and is connected with the upper fire cover bottom plate;
the flow guide column is arranged in the middle of the outlet of the fuel gas channel; the upper end of the flow guide column is connected with the flow guide plate, and the lower end of the flow guide column is connected with the lower fire cover chassis.
5. The gas burner as claimed in claim 1, wherein a flow splitting portion i is provided at one end of the gas passage connected to the middle ring gas chamber, and the flow splitting portion i is provided with a plurality of flow splitting holes i communicated with the middle ring gas chamber.
6. The gas burner of claim 1, wherein the upper fire cover chassis includes an intermediate ring gas chamber inner wall, an intermediate ring gas chamber outer wall, and an outer ring gas chamber inner wall;
the inner wall of the middle ring gas cavity and the outer wall of the middle ring gas cavity are combined to form the middle ring gas cavity, the outer wall of the middle ring gas cavity is provided with a middle ring gas cavity gas inlet, and the middle ring gas cavity gas inlet is communicated with one end of the gas channel;
and an outer ring gas cavity air inlet is formed in the inner wall of the outer ring gas cavity and communicated with the other end of the gas channel.
7. The gas burner of claim 6, wherein said lower fire cover chassis includes a lower fire cover chassis base plate and an outer annular gas chamber outer wall;
the bottom plate of the lower fire cover chassis is provided with an air supplementing hole and the air inlet;
the outer wall of the outer ring gas cavity is arranged on the outer circumference of the bottom plate of the lower fire cover chassis; the outer ring gas cavity outer wall and the outer ring gas cavity inner wall are combined to form the outer ring gas cavity.
8. The gas burner of claim 7, wherein a small fire cover chassis is provided on the upper fire cover chassis inside the middle ring gas chamber, the small fire cover chassis being provided with a central air intake passage; the upper end of the middle air inlet channel is provided with a flow dividing part II, and the flow dividing part II is provided with a plurality of flow dividing holes II.
9. The gas burner of claim 8, further comprising a fire cap assembly, said fire cap assembly comprising a small fire cap, a middle fire cap, and an outer fire cap;
the small fire cover is covered on the small fire cover chassis;
the middle fire cover is covered on the middle ring gas cavity;
the outer fire cover is arranged on the outer ring gas cavity.
10. The gas burner of claim 9, wherein a plurality of gas fire holes are formed in the inner and outer side walls of the outer fire cover and the middle fire cover along the circumferential direction, and each gas fire hole is arranged obliquely upward;
the outer side wall of the outer fire cover and the outer side wall of the middle fire cover are also provided with a plurality of flame stabilizing holes along the circumferential direction, and the flame stabilizing holes are positioned below the gas fire holes and alternately arranged at intervals with the gas fire holes.
11. A hob, characterized in comprising a gas burner according to any one of the claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021233872.XU CN212719735U (en) | 2020-06-29 | 2020-06-29 | Gas burner and cooking utensils |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021233872.XU CN212719735U (en) | 2020-06-29 | 2020-06-29 | Gas burner and cooking utensils |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212719735U true CN212719735U (en) | 2021-03-16 |
Family
ID=74963170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021233872.XU Active CN212719735U (en) | 2020-06-29 | 2020-06-29 | Gas burner and cooking utensils |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212719735U (en) |
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2020
- 2020-06-29 CN CN202021233872.XU patent/CN212719735U/en active Active
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