Base and cooking burner

Abstract

The present invention provides a base and a cooking burner, belonging to the technical field of kitchen appliances. The base includes a base body, an inner ring nozzle, two outer ring nozzle assemblies, and first to third gas pipe connectors. Each outer ring nozzle assembly includes an outer ring nozzle and an outer ring nozzle seat. Each outer ring nozzle has a main air outlet hole and a secondary air outlet hole. During normal operation, gas is supplied to the inner fire cover through the second gas pipe connector, the inner ring air passage, and an inner ring nozzle, and gas is supplied to the outer fire cover through the first gas pipe connector, the outer ring air passage, and two main air outlet holes. When high-fire stir-frying is required, on the basis of normal operation, gas is supplied to the outer fire cover through the third gas pipe connector, the high-fire stir-frying air passage, and two secondary air outlet holes, instantly increasing the firepower of the cooking burner to be higher than 5.2 Kw to meet the demand for high firepower in cooking. When using the cooking burner of the present invention, the demand for high firepower can be met without increasing the diameter, so the cost can be reduced. The base also has the advantages of a compact and simple structure and a low cost.

Description

Technical Field

[0001] The present invention relates to the technical field of kitchen and bathroom, and particularly relates to a base and a cooking burner. Background Art

[0002] Cooking burners are divided into up-draft burners and down-draft burners according to different air inlet methods. Taking the up-draft burner as an example, up-draft burners are increasingly widely used in related products such as gas stoves, integrated stoves, and integrated cooking centers.

[0003] However, limited by the structure of the up-draft burner itself, the heat load is often not as large as that of the down-draft burner. In some cooking scenarios, such as stir-frying, a firepower of more than 5.2 Kw is required. Conventional gas stoves with up-draft burners cannot meet this requirement. If a large heat load is to be achieved, the diameter of the up-draft burner needs to be made larger, which results in higher costs and lower thermal efficiency.

[0004] Therefore, it is urgent to develop a cooking burner with an up-draft that not only has an instantaneous firepower exceeding 5.2 Kw but also has a low cost. Summary of the Invention

[0005] The purpose of the present invention is to provide an up-draft cooking burner that can achieve a conventional heat load of 5.2 Kw and has a low cost.

[0006] Another purpose of the present invention is to provide a base for a cooking burner.

[0007] To achieve the purpose of the present invention, the following technical solutions are adopted:

[0008] According to one aspect of the present invention, a base is provided, including:

[0009] A base body for support;

[0010] An inner ring nozzle installed at the base body for injecting gas into the inner fire cover;

[0011] Two outer ring nozzle assemblies arranged at intervals and installed at the base body for injecting gas into the outer fire cover. Each outer ring nozzle assembly includes a corresponding outer ring nozzle and an outer ring nozzle seat. The outer ring nozzle is installed in the outer ring nozzle seat. The outer ring nozzle includes:

[0012] A first part located in the middle, with a main air outlet hole and a main gas channel communicating with each other along its axial direction;

[0013] A second part surrounding the position where the main air outlet hole is provided in the first part. The second part is provided with a secondary air outlet hole and a secondary gas channel communicating with each other. The axis of the secondary air outlet hole is parallel to the axis of the main air outlet hole;

[0014] The first gas pipe joint is communicated with the corresponding main air outlet hole through the outer ring air passage, the corresponding outer ring nozzle seat and the corresponding main gas passage;

[0015] The second gas pipe joint is communicated with the one inner ring nozzle through the inner ring air passage; and

[0016] The third gas pipe joint is communicated with the corresponding auxiliary air outlet hole through the stir-fry air passage, the corresponding outer ring nozzle seat and the corresponding auxiliary gas passage;

[0017] Wherein, the outer ring air passage, the inner ring air passage and the stir-fry air passage are all independent air passages, the main air outlet hole is used for spraying gas to the outer fire cover during normal operation, and the auxiliary air outlet hole is used for spraying gas to the outer fire cover when greater firepower is needed.

[0018] According to an embodiment of the present invention, a glue storage groove is provided at one end of the second part away from the auxiliary air outlet hole for accommodating sealant.

[0019] According to an embodiment of the present invention, the outer wall of the second part near the glue storage groove is a sealing wall for inserting into the outer ring nozzle seat.

[0020] According to an embodiment of the present invention, the first part and the second part are of an integral structure, or the first part and the second part are of a split structure.

[0021] According to an embodiment of the present invention, a counterbore is provided at a position corresponding to the auxiliary air outlet hole in the second part.

[0022] According to an embodiment of the present invention, the auxiliary air outlet hole extends towards the counterbore and a protrusion is formed at the hole end.

[0023] According to an embodiment of the present invention, each outer ring nozzle seat includes:

[0024] An installation hole, which is a stepped hole, is arranged along the X direction of the outer ring nozzle seat for installing the outer ring nozzle;

[0025] A nozzle outer ring gas channel is arranged at the end of the installation hole, is arranged along the Z direction of the outer ring nozzle seat, and is communicated with the installation hole;

[0026] A nozzle stir-fry gas channel is arranged on one side of the installation hole and is arranged along the Z direction of the outer ring nozzle seat;

[0027] A side hole is arranged along the Y direction of the outer ring nozzle seat, penetrates through the nozzle stir-fry gas channel, and communicates with the installation hole; and

[0028] A plugging member is provided at the end of the side hole for plugging the side hole.

[0029] Among them, the corresponding outer ring nozzle is inserted into the corresponding mounting hole and fixedly connected to the corresponding outer ring nozzle seat to seal the outer ring nozzle and the outer ring nozzle seat, and ensure that the nozzle outer ring gas channel and the nozzle stir-fry gas channel are independent of each other. The main gas channel of the outer ring nozzle communicates with the nozzle outer ring gas channel, and the auxiliary gas channel communicates with the mounting hole, the side hole and the nozzle stir-fry gas channel.

[0030] According to an embodiment of the present invention, one inner ring nozzle is installed at a position close to the center in the base body, and the inner ring air channel is L-shaped.

[0031] According to an embodiment of the present invention, the two outer ring nozzle assemblies are installed on one side of the base body, and the outer ring air channel is L-shaped.

[0032] According to an embodiment of the present invention, the outer ring air channel includes:

[0033] An outer ring main air channel, which is L-shaped, has a long side and a short side at a right angle, and the long side is connected to the first air pipe joint; and

[0034] Two outer ring branch air channels are correspondingly arranged at the two end points of the short side of the outer ring main air channel for communicating with the main air outlet holes of the corresponding outer ring nozzle assemblies.

[0035] According to an embodiment of the present invention, the stir-fry air channel includes:

[0036] A stir-fry main air channel, one end of which is connected to the third air pipe joint, a stir-fry branch air hole is provided near the middle position, and the other end is provided with a stir-fry air outlet hole, which communicates with one of the auxiliary air outlet holes in the two outer ring nozzle assemblies; and

[0037] A stir-fry branch air channel, one end of which is connected to the stir-fry branch air hole, and another stir-fry air outlet hole is provided in the stir-fry branch air channel, which communicates with the other auxiliary air outlet hole in the two outer ring nozzle assemblies.

[0038] According to one aspect of the present invention, a cooking burner is provided, which includes an inner fire cover, an outer fire cover and a gas distribution plate, and also includes the above-mentioned base.

[0039] According to an embodiment of the present invention, two outer ring ejector pipes corresponding to the two outer ring nozzle assemblies are provided in the gas distribution plate. Each outer ring ejector pipe has a suction port. The main air outlet holes and the auxiliary air outlet holes of the two outer ring nozzle assemblies all face the suction port of the corresponding outer ring ejector pipe, and the suction port expands towards the corresponding main air outlet hole and auxiliary air outlet hole directions.

[0040] One embodiment of the present invention has the following advantages or beneficial effects:

[0041] For the cooking burner using the base of the present invention, during normal operation, gas is supplied to the inner fire cover through the second gas pipe joint, the inner ring air passage and an inner ring nozzle, and gas is supplied to the outer fire cover through the first gas pipe joint, the outer ring air passage and the main air outlets of the two outer ring nozzle assemblies. When high heat is required for stir-frying, on the basis of normal operation, gas is supplied to the outer fire cover through the third gas pipe joint, the stir-frying air passage and the secondary air outlets of the two outer ring nozzle assemblies, instantly increasing the firepower of the cooking burner to higher than 5.2 Kw to meet the demand for high firepower in cooking. For the cooking burner using the base of the present invention, the need for a large diameter can be dispensed with to meet the demand for high firepower, thus reducing costs. In addition, the base also has the advantages of a compact and simple structure and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] The above and other features and advantages of the present invention will become more apparent by referring to the accompanying drawings and describing its exemplary embodiments in detail.

[0043] Figure 1 is a schematic front view of a base shown according to an exemplary embodiment;

[0044] Figure 2 is Figure 1 a schematic front sectional view of an outer ring nozzle in an outer ring nozzle assembly shown;

[0045] Figure 3 is a schematic front sectional view of an outer ring nozzle in an outer ring nozzle assembly shown according to another exemplary embodiment;

[0046] Figure 4 is Figure 3 a schematic front sectional view of the first part shown;

[0047] Figure 5 is Figure 3 a schematic front sectional view of the second part shown;

[0048] Figure 6 is a schematic partial sectional view of an outer ring nozzle shown according to another exemplary embodiment;

[0049] Figure 7 is according to Figure 1 a schematic front sectional view of the outer ring nozzle assembly shown;

[0050] Figure 8 is according to Figure 7 a schematic front sectional view of the outer ring nozzle seat shown;

[0051] Figure 9 is Figure 1A schematic rear view of the base is shown;

[0052] Figure 10 yes Figure 9 A schematic cross-sectional view of the base shown along line AA;

[0053] Figure 11 Yes Figure 9 A schematic cross-sectional view of the stir-fry airway of the base after being cut open is shown;

[0054] Figure 12 is a schematic elevation view of a stove burner according to an exemplary embodiment;

[0055] Figure 13 Yes Figure 12 A schematic cross-sectional view of a gas distribution plate of a stove burner after being cut open is shown;

[0056] Figure 14 Yes Figure 12 A schematic cross-sectional view of another gas distribution plate of a stove burner is shown.

[0057] The reference numerals are described as follows:

[0058] I Cooker Burner,

[0059] 100 bases,

[0060] 101 base body,

[0061] 102 inner ring nozzle,

[0062] 103 outer ring nozzle assembly, 1031 first outer ring nozzle assembly, 1032 second outer ring nozzle assembly, 10 outer ring nozzle, 11 first part, 11a main air outlet, 11b main gas channel, 11c external thread, 12 second part, 121 auxiliary air outlet, 122 auxiliary gas channel, 123 glue storage tank, 124 sealing wall, 125 countersunk hole, 126 protrusion, 20 outer ring nozzle seat, 21 mounting hole, 22 nozzle outer ring gas channel, 23 nozzle stir-fry gas channel, 24 side hole, 25 plugging piece,

[0063] 105 first tracheal joint,

[0064] 106 second air pipe connector,

[0065] 107 third tracheal connector,

[0066] 108 outer ring airway, 1081 outer ring main airway, 1082 first outer ring branch airway, 1083 second outer ring branch airway,

[0067] 109 inner ring airway,

[0068] 110 Stir-frying air passage, 1101 Main stir-frying air passage, 1102 Stir-frying branch air holes, 1103 First stir-frying air outlet hole, 1104 Stir-frying branch air passage, 1105 Second stir-frying air outlet hole,

[0069] 111 Igniter mounting hole,

[0070] 112 Plug cover,

[0071] 200 Inner burner cap,

[0072] 300 Outer burner cap,

[0073] 400 Gas distribution plate, 401 Outer ring injection pipe, 402 Suction port. Detailed implementation manner

[0074] Now, the exemplary embodiments will be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be implemented in various forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this invention will be thorough and complete, and the concept of the exemplary embodiments will be fully conveyed to those skilled in the art. Like reference numerals in the figures denote like or similar structures, and thus their detailed description will be omitted.

[0075] The terms "a", "an", "the", and "said" are used to denote the presence of one or more elements / components / etc.; the terms "comprising" and "having" are used to mean an open inclusion and mean that there may be additional elements / components / etc. in addition to the listed elements / components / etc.

[0076] As Figures 1 - 14 shown, Figure 1 is a schematic front view of a base shown according to an exemplary embodiment. Figure 2 is Figure 1 a schematic front cross-sectional view of an outer ring nozzle in an outer ring nozzle assembly shown. Figure 3 is a schematic front cross-sectional view of an outer ring nozzle in an outer ring nozzle assembly shown according to another exemplary embodiment. Figure 4 is Figure 3 a schematic front cross-sectional view of the first part shown. Figure 5 is Figure 3 a schematic front cross-sectional view of the second part shown. Figure 6 is a schematic partial cross-sectional view of an outer ring nozzle shown according to another exemplary embodiment. Figure 7 is according to Figure 1 a schematic front cross-sectional view of the outer ring nozzle assembly shown. Figure 8 is according to Figure 7 a schematic front cross-sectional view of the outer ring nozzle seat shown. Figure 9 is Figure 1A schematic rear view of the base is shown. Figure 10 yes Figure 9 A schematic cross-sectional view of the base taken along line AA is shown. Figure 11 Yes Figure 9 A schematic cross-sectional view of the stir-fry airway of the base is shown. Figure 12 is a schematic elevation view of a stove burner according to an exemplary embodiment. Figure 13 Yes Figure 12 A schematic cross-sectional view of a gas distribution plate of a stove burner after being cut open is shown, wherein: Figure 13 The outer ring nozzle in Figure 2 Outer ring nozzle shown. Figure 14 Yes Figure 12 A schematic cross-sectional view of another gas distribution plate of a stove burner is shown. Figure 14 The outer ring nozzle in Figure 3 Outer ring nozzle shown.

[0077] like Figure 1 See also Figures 8 - 14 The base 100 of the embodiment of the present invention includes: a base body 101, an inner ring nozzle 102, two outer ring nozzle assemblies 103, a first gas pipe joint 105, a second gas pipe joint 106 and a third gas pipe joint 107. The base body 101 is used as a support and installation base. An inner ring nozzle 102 is installed at the base body 101, and is used to spray gas to the inner fire cover. The two outer ring nozzle assemblies 103, namely the first outer ring nozzle assembly 1031 and the second outer ring nozzle assembly 1032, are arranged at intervals and are both installed at the base body 101, and are used to spray gas to the outer fire cover. Each outer ring nozzle assembly 103 in the first outer ring nozzle assembly 1031 and the second outer ring nozzle assembly 1032 includes a corresponding outer ring nozzle 10 and an outer ring nozzle seat 20. The corresponding outer ring nozzle 10 is installed in the corresponding outer ring nozzle seat 20. As Figure 2 See also Figure 3 Each outer ring nozzle 10 of the embodiment of the present invention can generally include a first part 11 and a second part 12. The first part 11 is located in the middle. A main air outlet 11a and a main gas channel 11b that are interconnected are provided along the axial direction of the first part 11. The main air outlet 11a is used to spray gas to the outer fire cover during normal operation. The second part 12 surrounds the position where the main air outlet 11a is provided in the first part 11. Auxiliary air outlets 121 and auxiliary gas channels 122 that are interconnected are provided in the second part 12. The axis of the auxiliary air outlet 121 is parallel to the axis of the main air outlet 11a. The auxiliary air outlet 121 is used to spray gas to the outer fire cover when greater fire power is required. As Figure 9As shown in the figure, the first gas pipe joint 105 is connected to the corresponding main gas outlet hole 11a through the outer ring nozzle seat 20 corresponding to the outer ring air passage 108 and the corresponding main gas passage 11b, so as to introduce external gas into the main gas outlet holes 11a of the two outer ring nozzle assemblies 103. The second gas pipe joint 106 is connected to an inner ring nozzle 102 through the inner ring air passage 109, so as to introduce external gas into the inner ring nozzle 102. The third gas pipe joint 107 is connected to the corresponding auxiliary gas outlet hole 121 through the stir-fry air passage 110, the outer ring nozzle seat 20 corresponding to the outer ring nozzle assembly 103 and the corresponding auxiliary gas passage 122. Among them, the outer ring air passage 108, the inner ring air passage 109, the stir-fry air passage 110, the main gas passage 11b and the auxiliary gas passage 122 are all independent passages. The main gas outlet hole 11a is used to spray gas to the outer fire cover 300 (see Fig. 12) during normal operation, and the auxiliary gas outlet hole 121 is used to spray gas to the outer fire cover 300 when greater firepower is required.

[0078] As Figure 1 shown, in the present invention, the two outer ring nozzles are provided with corresponding main gas outlet holes 11a and auxiliary gas outlet holes 121. The main gas outlet hole 11a is used to spray gas to the outer ring ejector pipe 401 in the normal operation mode, and the auxiliary gas outlet hole 121 is used to spray gas to the outer ring ejector pipe 401 (see Figure 13 ) in the stir-fry operation mode. The auxiliary gas outlet hole 121 is parallel to the main gas outlet hole 11a, and the distance between the two is relatively close. The auxiliary gas outlet hole 121 can also inject gas into the mixing pipe of the outer ring ejector pipe 401. The auxiliary gas outlet hole 121 is not ventilated during normal operation. When greater firepower is required, such as during stir-frying, the two auxiliary gas outlet holes 121 are ventilated and inject gas into the outer ring ejector pipe respectively. The advantage of arranging two outer ring nozzle assemblies 103 with the above structures is that the increased gas flow can be evenly distributed to the two outer ring ejector pipes 401 through the auxiliary gas outlet holes 121, which can eject enough air into the outer ring ejector pipes 401 and can be evenly mixed with the gas and air ejected by the main gas outlet holes 11a in the outer ring ejector pipes 401, so that the combustion is sufficient, the CO emission is low, and the flame is more uniform.

[0079] In addition, for the burner of the cooking appliance using the outer ring nozzle 10 of the present invention, there is no need to increase the diameter of the burner of the cooking appliance to meet the requirement of high firepower, so the cost can be reduced.

[0080] In addition, as Figure 9 shown, the two auxiliary gas outlet holes 121 of the two outer ring nozzle assemblies 103 share a stir-fry air passage 110. The stir-fry air passage 110 is arranged on the base body 101, with a compact and simple structure and low cost.

[0081] In summary, as Figure 1 and Figure 14, the cooking burner using the base 100 of the present invention, during normal operation, supplies gas to the inner burner cover 200 through the second gas pipe joint 106, the inner ring air passage 109 and an inner ring nozzle 102, and supplies gas to the outer burner cover 300 through the first gas pipe joint 105, the outer ring air passage 108 and the two main air holes 11a of the two outer ring nozzle assemblies 103. When high-fire stir-frying is needed, on the basis of normal operation, gas is supplied to the outer burner cover 300 through the third gas pipe joint 107, the high-fire stir-frying air passage 110 and the two secondary air holes 121 of the two outer ring nozzle assemblies 103, instantly increasing the firepower of the cooking burner to higher than 5.2 Kw to meet the demand for high firepower in cooking.

[0082] In a preferred embodiment of the present invention, as Figure 2 shown, it can also be seen that Figure 3 , the secondary gas passage 122 is an annular passage.

[0083] In a preferred embodiment of the present invention, as Figure 2 shown, it can also be seen that Figure 3 , an external thread 11c is provided at the outer wall end of the first part 11 for forming a threaded connection with the outer ring nozzle seat 20.

[0084] In a preferred embodiment of the present invention, as Figure 2 shown, at one end of the second part 12 far from the secondary air hole 121, a glue storage groove 123 is provided for accommodating sealant. During specific implementation, high-temperature resistant sealant can be applied in the glue storage groove 123.

[0085] In a preferred embodiment of the present invention, as Figure 2 shown, the outer wall of the second part 12 close to the glue storage groove 123 is a sealing wall 124 for inserting into the outer ring nozzle seat 20.

[0086] In a preferred embodiment of the present invention, as Figure 2 shown, the first part 11 and the second part 12 are of an integral structure. The advantages of the integral structure are as follows: the main gas passage 11b and the secondary gas passage 122 of the outer ring nozzle 10 are integrally processed, and the parallelism between the central axes of the main air hole 11a and the secondary air hole 121 is relatively good. The disadvantages are as follows: the secondary gas passage 122 is a relatively narrow annular groove, which requires special tools for processing, and the processing is relatively complex. And if the entire outer ring nozzle 10 is processed from a single copper rod, there will be more waste materials and higher costs.

[0087] In a preferred embodiment of the present invention, as Figure 3 shown, it can also be seen that Figures 4 - 5, the first part 11 and the second part 12 are of a split structure and are connected by threads at the heads of the first part 11 and the second part 12. The advantage of the split structure is that: the secondary gas passage 122 is an annular passage jointly formed by the outer wall of the first part 11 and the inner wall of the second part 12, without the situation where a special tool is required for processing in an integral structure. The processing is simple, the processing waste is less, and the cost is relatively low. The disadvantage is that: the first part 11 and the second part 12 of the outer ring nozzle 10 are connected by threads, and the parallelism between the central axis of the main air outlet hole 11a and the central axis of the secondary air outlet hole 121 is relatively large compared with the integral structure.

[0088] In a preferred embodiment of the present invention, as Figure 6 shown, it can also be seen that Figure 2 , a counterbore 125 is provided at the position corresponding to the secondary air outlet hole 121 in the second part 12. More specifically, the secondary air outlet hole 121 extends towards the counterbore 125 and a protrusion 126 is formed at the end of the hole. That is, the protrusion 126 is located in the counterbore 125, and the secondary air outlet hole 121 penetrates through the protrusion 126 and the secondary gas passage 122. The advantage of this is that after the gas is ejected from the secondary air outlet hole 121, more primary air can be entrained, and the mixture of the gas and air is more evenly mixed after entering the injection pipe, and the combustion efficiency will be higher and the CO emission will be lower.

[0089] In a preferred embodiment of the present invention, as Figure 7 shown, it can also be seen that Figure 8 , each outer ring nozzle seat 20 includes: a mounting hole 21, a nozzle outer ring gas passage 22, a nozzle stir-fry gas passage 23, a side hole 24 and a plugging member 25. The mounting hole 21 is a stepped hole, arranged along the X direction of the outer ring nozzle seat 20 for mounting the outer ring nozzle 10. The nozzle outer ring gas passage 22 is arranged at the end of the mounting hole 21, arranged along the Z direction of the outer ring nozzle seat 20 and communicated with the mounting hole 21. The nozzle stir-fry gas passage 23 is arranged on one side of the mounting hole 21, arranged along the Z direction of the outer ring nozzle seat 20. The side hole 24 is arranged along the Y direction of the outer ring nozzle seat 20, penetrates through the nozzle stir-fry gas passage 23 and is communicated with the mounting hole 21. In this example, the X direction refers to the horizontal direction in the horizontal plane, the Y direction refers to the vertical direction in the water surface, and the Z direction is the direction perpendicular to the horizontal plane. The plugging member 25 is arranged at the end of the side hole 24 for plugging the side hole 24. During specific implementation, the outer end of the side hole 24 can be plugged with a plug or a steel ball and other methods. As Figure 7As shown, the outer ring nozzle 10 is inserted into the mounting hole 21 and fixedly connected to the outer ring nozzle seat 20 to seal the outer ring nozzle 10 and the outer ring nozzle seat 20, and ensure that the gas passage 22 of the outer ring of the nozzle and the stir-fry gas passage 23 of the nozzle are independent of each other. The main gas passage 11b of the outer ring nozzle 10 communicates with the gas passage 22 of the outer ring of the nozzle, and the secondary gas passage 122 communicates with the mounting hole 21, the side hole 24 and the stir-fry gas passage 23 of the nozzle to form a complete one-key stir-fry gas path. During specific implementation, the tail of the outer ring nozzle 10 is threadedly connected to the outer ring nozzle seat 20, the sealing wall 124 is inserted into the outer ring nozzle seat 20, and when installing the outer ring nozzle 10, a high-temperature resistant sealant is applied at the position of the glue storage groove 123. After threaded fastening, air leakage between the outer ring nozzle 10 and the outer ring nozzle seat 20 can be prevented, and it can also ensure that the main gas passage 11b and the secondary gas passage 122 are independent of each other and do not mix gases.

[0090] In a preferred embodiment of the present invention, as Figure 1 shown, an inner ring nozzle 102 and two outer ring nozzle assemblies 103 are installed on a surface of the base body 101. A surface can be the upper surface of the base body 101. The first gas pipe joint 105 to the third gas pipe joint 107, the outer ring gas passage 108, the inner ring gas passage 109 and the stir-fry gas passage 110 are installed on another surface of the base body 101 opposite to the one surface. Another surface can be the lower surface of the base body 101.

[0091] In a preferred embodiment of the present invention, as Figure 1 shown, the first gas pipe joint 105 to the third gas pipe joint 107 all extend outward from the base body 101 for easy connection.

[0092] In a preferred embodiment of the present invention, as Figure 9 shown, it can also be seen that Figure 10 , an inner ring nozzle 102 is installed at a position close to the center in the base body 101, and the inner ring gas passage 109 is in an L shape.

[0093] In a preferred embodiment of the present invention, as Figure 9 shown, it can also be seen that Figure 10 , two outer ring nozzle assemblies 103 are installed on one side of the base body 101, and the outer ring gas passage 108 is in an L shape.

[0094] In a preferred embodiment of the present invention, as Figure 9 shown, it can also be seen that Figure 10, the outer ring air passage 108 includes: an outer ring main air passage 1081 and two outer ring sub-air passages. The outer ring main air passage 1081 is L-shaped, having a long side and a short side that form a right angle. One end of the long side of the outer ring main air passage 1081 is connected to the first tracheal joint 105, and the other end of the long side of the outer ring main air passage 1081 is connected to the short side. The two outer ring sub-air passages are correspondingly arranged at two end points of the short side of the outer ring main air passage 1081 for communicating with the corresponding outer ring nozzle assemblies 103. In this example, the two outer ring sub-air passages are a first outer ring sub-air passage 1082 and a second outer ring sub-air passage 1083. The first outer ring sub-air passage 1082 is connected to the nozzle outer ring gas passage 22 of the outer ring nozzle seat 20 of the first outer ring nozzle assembly 1031, and then through the main gas passage 11b of the outer ring nozzle 10 of the first outer ring nozzle assembly 1031, it communicates with the main air outlet hole 11a of the outer ring nozzle 10. Similarly, the second outer ring sub-air passage 1083 communicates with the main air outlet hole 11a of the second outer ring nozzle assembly 1032.

[0095] In a preferred embodiment of the present invention, as Figure 10 shown, it can also be seen that Figure 11 , the stir-fry air passage 110 includes: a stir-fry main air passage 1101 and a stir-fry sub-air passage 1104. One end of the stir-fry main air passage 1101 is connected to the third tracheal joint 107. A stir-fry air outlet hole 1102 is provided at a position near the middle of the stir-fry main air passage 1101. The other end of the stir-fry main air passage 1101 is provided with a second stir-fry air outlet hole 1105. The second stir-fry air outlet hole 1105 is communicated with the nozzle stir-fry gas passage 23 of the outer ring nozzle seat 20 of the second outer ring nozzle assembly 1032, and then through the auxiliary gas passage 122 of the outer ring nozzle 10 of the second outer ring nozzle assembly 1032, it communicates with the auxiliary air outlet hole 121 of the outer ring nozzle 10 of the second outer ring nozzle assembly 1032. One end of the stir-fry sub-air passage 1104 is connected to the stir-fry air outlet hole 1102. The other end of the stir-fry sub-air passage 1104 is provided with a first stir-fry air outlet hole 1103. The first stir-fry air outlet hole 1103 is communicated with the nozzle stir-fry gas passage 23 of the outer ring nozzle seat 20 of the first outer ring nozzle assembly 1032, and then through the auxiliary gas passage 122 of the outer ring nozzle 10 of the second outer ring nozzle assembly 1032, it communicates with the auxiliary air outlet hole 121 of the outer ring nozzle 10 of the second outer ring nozzle assembly 1032.

[0096] In a preferred embodiment of the present invention, as Figure 1 shown, the base 100 further includes an igniter mounting hole 111 formed in the base body 101 for accommodating the igniter needle.

[0097] Furthermore, in a preferred embodiment of the present invention, as Figure 9As shown, a plug 112 is provided at the position corresponding to the inner ring nozzle 102 in the inner ring air passage 109. Two plugs 112 are provided at the positions corresponding to the two main air outlets 11a of the two outer ring nozzle assemblies 103 in the outer ring air passage 108. Three plugs 112 are provided at the positions corresponding to the two secondary air outlets 121 of the two outer ring nozzle assemblies 103 and the stir-fry air distribution holes 1102 in the stir-fry air passage 110.

[0098] As Figure 12 shown, reference may also be made to Figure 13 and Figure 14 , the cooking burner I of the embodiment of the present invention includes an inner fire cap 200, an outer fire cap 300 and an air distribution plate 400, and also includes a base 100 as Figures 1 - 11 shown.

[0099] In a preferred embodiment of the present invention, as Figure 13 shown, two outer ring ejector tubes 401 corresponding to the two outer ring nozzle assemblies 103 are provided in the air distribution plate 400. Each outer ring ejector tube 401 has an air suction port 402. The main air outlet 11a and the secondary air outlet 121 of each of the two outer ring nozzle assemblies 103 in the two outer ring nozzle assemblies 103 face the air suction port 402 of the corresponding outer ring ejector tube 401, and the air suction port 402 expands towards the corresponding main air outlet 11a and secondary air outlet 121. Taking the first outer ring nozzle assembly 1031 as an example, the air suction port 402 forms a flared opening towards the main air outlet 11a and the secondary air outlet 121 of the outer ring nozzle 10 of the first outer ring nozzle assembly 1031.

[0100] The two outer ring nozzles in the cooking burner I of the present invention have corresponding main air outlets 11a and secondary air outlets 121. The main air outlet 11a is used to inject gas into the outer ring ejector tube 401 in the normal working mode, and the secondary air outlet 121 is used to inject gas into the outer ring ejector tube 401 in the stir-fry working mode. The secondary air outlet 121 is parallel to the main air outlet 11a, and the distance between the two is relatively close. The secondary air outlet 121 can also inject gas into the mixing tube of the outer ring ejector tube 401. The secondary air outlet 121 is not ventilated during normal operation. When a greater firepower is required, such as during stir-frying, the two secondary air outlets 121 are ventilated and inject gas into the outer ring ejector tube respectively. The advantage of setting two outer ring nozzle assemblies with this structure is that the increased gas flow can be evenly distributed to the two outer ring ejector tubes 401 through the secondary air outlets 121, which can eject enough air into the outer ring ejector tube 401 and can be evenly mixed with the gas and air ejected by the main air outlet 11a in the outer ring ejector tube 401, so that the combustion is sufficient, the CO emission is low, and the flame is more uniform.

[0101] As can be seen, the cooking burner I of the present invention adopts the above-mentioned base 100, so that the diameter of the cooking burner I is smaller, the cost is lower, the conventional heat load can reach 5.2 Kw, the CO content in the flue gas is low and the thermal efficiency is high.

[0102] The air outlets of two nozzle pairs share one air duct, and the air duct is arranged on the base, with a compact and simple structure and a low cost.

[0103] In the embodiments of the present invention, the term "a plurality of" refers to two or more, unless otherwise clearly defined. Terms such as "installation", "connection", "fixation" and the like should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific situations.

[0104] In the description of the embodiments of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or unit referred to must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as a limitation to the embodiments of the present invention.

[0105] In the description of this specification, the description of terms such as "an embodiment", "a preferred embodiment" and the like means 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 embodiments of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or instance. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0106] The above are only the preferred embodiments of the embodiments of the present invention, and are not used to limit the embodiments of the present invention. For those skilled in the art, the embodiments of the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present invention shall be included in the protection scope of the embodiments of the present invention.

Claims

1. A base, characterized in that, Comprising: A base body (101) for use as a support; An inner ring nozzle (102) installed at the base body (101) for injecting gas into the inner burner cap; Two outer ring nozzle assemblies (103) arranged at intervals and installed at the base body (101) for injecting gas into the outer burner cap. Each outer ring nozzle assembly (103) includes a corresponding outer ring nozzle (10) and an outer ring nozzle seat (20). The outer ring nozzle (10) is installed in the outer ring nozzle seat (20). The outer ring nozzle (10) includes: A first part (11) located in the middle, with a main gas outlet hole (11a) and a main gas channel (11b) communicating with each other along its axial direction; A second part (12) surrounding the position where the main gas outlet hole (11a) is provided in the first part (11). A secondary gas outlet hole (121) and a secondary gas channel (122) communicating with each other are provided in the second part (12). The axis of the secondary gas outlet hole (121) is parallel to the axis of the main gas outlet hole (11a); A first gas pipe joint (105) communicating with the corresponding main gas outlet hole (11a) through an outer ring gas channel (108), the corresponding outer ring nozzle seat (20), and the corresponding main gas channel (11b); A second gas pipe joint (106) communicating with the inner ring nozzle (102) through an inner ring gas channel (109); and A third gas pipe joint (107) communicating with the corresponding secondary gas outlet hole (121) through a stir-fry gas channel (110), the corresponding outer ring nozzle seat (20), and the corresponding secondary gas channel (122); Wherein, the outer ring gas channel (108), the inner ring gas channel (109), and the stir-fry gas channel (110) are all independent gas channels. The main gas outlet hole (11a) is used for injecting gas into the outer burner cap during normal operation, and the secondary gas outlet hole (121) is used for injecting gas into the outer burner cap when a greater firepower is required; A counterbore (125) is provided at the position corresponding to the secondary gas outlet hole (121) in the second part (12); the secondary gas outlet hole (121) extends towards the counterbore (125) and a protrusion (126) is formed at the hole end.

2. The base according to claim 1, characterized in that, A glue storage groove (123) is provided at one end of the second part (12) far from the secondary gas outlet hole (121) for accommodating sealant.

3. The base according to claim 2, characterized in that, The outer wall of the second part (12) close to the glue storage groove (123) is a sealing wall (124) for insertion into the outer ring nozzle seat (20).

4. The base according to claim 1, characterized in that, The first part (11) and the second part (12) are of an integral structure, or the first part (11) and the second part (12) are of a split structure.

5. The base according to claim 1, characterized in that Each outer ring nozzle seat (20) includes: An installation hole (21), which is a stepped hole arranged along the X direction of the outer ring nozzle seat (20) for installing the outer ring nozzle (10); A nozzle outer ring gas channel (22) arranged at the end of the installation hole (21) and arranged along the Z direction of the outer ring nozzle seat (20) and communicating with the installation hole (21); The nozzle stir-fry gas passage (23) is arranged on one side of the mounting hole (21) and is provided along the Z direction of the outer ring nozzle seat (20); The side hole (24) is provided along the Y direction of the outer ring nozzle seat (20), penetrates through the nozzle stir-fry gas passage (23), and communicates with the mounting hole (21); and The plugging member (25) is arranged at the end of the side hole (24) for plugging the side hole (24); Wherein, the corresponding outer ring nozzle (10) is inserted into the corresponding mounting hole (21) and fixedly connected to the corresponding outer ring nozzle seat (20) to seal the outer ring nozzle (10) and the outer ring nozzle seat (20), and ensure that the nozzle outer ring gas passage (22) and the nozzle stir-fry gas passage (23) are independent of each other. The main gas passage (11b) of the outer ring nozzle (10) communicates with the nozzle outer ring gas passage (22), and the auxiliary gas passage (122) communicates with the mounting hole (21), the side hole (24) and the nozzle stir-fry gas passage (23).

6. The base according to claim 1, characterized in that, The inner ring nozzle (102) is installed at a position close to the center in the base body (101), and the inner ring air passage (109) is in an L shape.

7. The base according to claim 1, characterized in that, The two outer ring nozzle assemblies (103) are installed on one side of the base body (101), and the outer ring air passage (108) is in an L shape.

8. The base according to claim 7, characterized in that, The outer ring air passage (108) includes: The outer ring main air passage (1081) is in an L shape, having a long side and a short side at a right angle, and the long side is connected to the first air pipe joint (105); and Two outer ring branch air passages are correspondingly arranged at two end point positions of the short side of the outer ring main air passage (1081) for communicating with the main air outlet holes (11a) of the corresponding outer ring nozzle assemblies (103).

9. The base according to any one of claims 1-8, characterized in that, The stir-fry air passage (110) includes: The stir-fry main air passage (1101) is connected to the third air pipe joint (107) at one end, a stir-fry branch air hole (1102) is provided at a position close to the middle, and a stir-fry air outlet hole is provided at the other end and is communicated with a secondary air outlet hole (121) in one of the two outer ring nozzle assemblies (103); and The stir-fry branch air passage (1104) is connected to the stir-fry branch air hole (1102) at one end, and another stir-fry air outlet hole is provided in the stir-fry branch air passage (1104) and is communicated with the secondary air outlet hole (121) in the other outer ring nozzle assembly (103).

10. A cooking stove burner, comprising an inner burner cap (200), an outer burner cap (300) and a gas distributing plate (400), characterized in that, It further includes the base (100) according to any one of claims 1-9.

11. The cooking appliance burner according to claim 10, characterized in that, Two outer ring ejector pipes (401) corresponding to the two outer ring nozzle assemblies (103) are provided in the air distribution disc (400). Each outer ring ejector pipe (401) has a suction port (402). The main air outlet holes (11a) and the secondary air outlet holes (121) of the two outer ring nozzle assemblies (103) all face the suction port (402) of the corresponding outer ring ejector pipe (401), and the suction port (402) expands towards the corresponding main air outlet hole (11a) and secondary air outlet hole (121).

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