Three-ring fire combustion structure and stove

Abstract

The three-ring fire combustion structure comprises a furnace end and a gas distribution disc, the furnace end is provided with a first injection pipe, a second injection pipe, an outer ring gas outlet and a middle gas outlet, the first injection pipe is communicated with the outer ring gas outlet, the second injection pipe is communicated with the middle gas outlet, the furnace end is further provided with a center installation hole, and the center installation hole is communicated with the outer ring gas outlet. A detachable or fixed center direct fire spraying device is arranged on the center installation hole, the gas distribution disc is installed on the burner, and an outer ring gas cavity communicated with the outer ring gas outlet and a middle gas cavity communicated with the middle gas outlet are formed in the gas distribution disc. A first injection pipe and a second injection pipe are arranged on a furnace end, a gas distribution disc is arranged on the furnace end to form outer ring fire or / and middle ring fire, then a center mounting hole is formed in the furnace end to mount center direct spraying fire to form center fire, and a three-ring burner is formed through an outer ring gas cavity, a middle gas cavity and the center direct spraying fire. The second-ring fire extends to the third-ring fire, and the second-ring fire is formed when the direct injection burner is dismounted.

Description

Technical Field

[0001] The utility model relates to a three-ring fire combustion structure and a stove. Background Art

[0002] Cookers are an important part of home kitchens. Existing home cookers are generally double-ring fire and triple-ring fire. However, the existing triple-ring fire requires a triple-ring burner head, and lacks a double-ring burner head to form a triple-ring fire burner. Utility Model Content

[0003] The utility model proposes a three-ring fire combustion structure, including a burner head and an air distribution plate, the burner head is provided with a first ejector pipe, a second ejector pipe, an outer ring air outlet and a middle air outlet, the first ejector pipe is connected with the outer ring air outlet, the second ejector pipe is connected with the middle air outlet, the burner head is also provided with a center mounting hole, the center mounting hole is provided with a detachable or fixed center direct flame, the air distribution plate is installed on the burner head, and the air distribution plate is provided with an outer ring air cavity connected with the outer ring air outlet, and a middle air cavity connected with the middle air outlet.

[0004] In one or more embodiments, a central hole is provided on the gas distribution plate, and the central hole corresponds to the central mounting hole. The flame of the central direct fire passes through the central hole to heat the pot body.

[0005] In one or more embodiments, a mounting hole and a vent hole are provided on the central mounting hole, the vent hole is arranged around the central hole, and the vent hole penetrates up and down.

[0006] In one or more embodiments, an intermediate air guide cavity is provided between the second ejector tube and the intermediate air outlet, and an escape space is provided on one side of the central air guide cavity close to the central mounting hole.

[0007] In one or more embodiments, an outer ring air guide cavity is provided between the first ejector pipe and the outer ring air outlet, and a connecting plate is provided between the outer ring air guide cavity and the middle air guide cavity of the furnace head.

[0008] In one or more embodiments, the outer ring air guide cavity and the middle air guide cavity both protrude upward from the connecting plate.

[0009] In one or more embodiments, a vent hole is provided on the connecting plate which passes through the connecting plate from top to bottom.

[0010] In one or more embodiments, the central direct flame is provided with a connecting tube and a nozzle arranged at one end of the connecting tube, one end of the nozzle is connected to the air intake pipe, and multiple layers of ventilation grooves are arranged on the connecting tube, and two adjacent layers of ventilation grooves are staggered.

[0011] In one or more embodiments, the first ejector tube and the second ejector tube are provided with a front ejector section and a rear ejector tube, and the front ejector section and the rear ejector tube are detachably connected together.

[0012] A stove comprises the above-mentioned three-ring fire combustion structure.

[0013] The beneficial effects of the utility model include: by arranging the first ejector tube and the second ejector tube and arranging the gas distribution plate on the burner head to form an outer ring or an intermediate ring fire, a central mounting hole is arranged on the burner head to install the central direct jet fire to form a central fire, and a three-ring burner is formed by the outer ring air cavity, the intermediate air cavity and the central direct jet fire, thereby realizing the extension of the two-ring fire to the three-ring fire, and forming the two-ring fire when the direct jet burner is removed. The utility model has strong applicability and solves the structural problem of converting the two-ring burner into a three-ring fire burner. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 Schematic diagram of the three-ring fire combustion structure.

[0015] Figure 2 This is a schematic diagram of the decomposition of the three-ring fire combustion structure.

[0016] Figure 3 It is a cross-sectional schematic diagram of the three-ring fire combustion structure. DETAILED DESCRIPTION

[0017] The present application scheme is further described as follows in conjunction with the accompanying drawings:

[0018] See attached Figure 1-3 A three-ring fire combustion structure comprises a burner head 1 and an air distribution plate 2, wherein the burner head 1 is provided with a first ejector tube 11, a second ejector tube 12, an outer ring air outlet 13 and a middle air outlet 14, wherein the first ejector tube 11 is connected to the outer ring air outlet 13, and the second ejector tube 12 is connected to the middle air outlet 14, and the burner head 1 is also provided with a central mounting hole 15, and a detachable or fixed central direct flame 3 is provided on the central mounting hole 15, and the air distribution plate 2 is installed on the burner head 1, and the air distribution plate 2 is provided with an outer ring air cavity 21 connected to the outer ring air outlet 13, and a middle air cavity 22 connected to the middle air outlet 14.

[0019] Preferably, a flame distributor is provided on the gas distributor plate 2, and the structure of the flame distributor is prior art and is not shown here.

[0020] Furthermore, a central hole 23 is provided on the gas distribution plate 2, and the central hole 23 corresponds to the central mounting hole 15. The central direct flame 3 is installed on the central mounting hole 15, and the flame of the central direct flame 3 passes through the central hole 23 to heat the pot body.

[0021] Furthermore, the central mounting hole 15 is provided with a mounting hole and a vent hole 16, the vent hole 16 is arranged around the central hole, and the vent hole 16 penetrates up and down to provide sufficient oxygen to the central hole, thereby improving the combustion efficiency and solving the problem of low combustion efficiency of the central direct injection fire.

[0022] Furthermore, a middle air guiding cavity 17 is provided between the second ejector tube 12 and the middle air outlet 14 , and an escape space is provided on a side of the central air guiding cavity 17 close to the central mounting hole 15 .

[0023] Furthermore, an outer ring air guide cavity 18 is provided between the first ejector tube 11 and the outer ring air outlet 13 , and a connecting plate 19 is provided between the outer ring air guide cavity 18 and the middle air guide cavity 17 of the furnace head 1 .

[0024] Furthermore, the outer ring air guiding cavity 18 and the middle air guiding cavity 17 both protrude upward from the connecting plate 19 .

[0025] Furthermore, the connecting plate 19 is provided with a vent 191 penetrating vertically.

[0026] Furthermore, the central direct flame sprayer 3 is provided with a connecting tube 32 and a nozzle 31 arranged at one end of the connecting tube 32, one end of the nozzle 31 is connected to the air intake pipe, and the connecting tube 32 is provided with multiple layers of ventilation grooves 33, and two adjacent layers of ventilation grooves 33 are staggered.

[0027] Furthermore, the first ejection tube 11 and the second ejection tube 12 are provided with a front ejection section 111 and a rear ejection tube 112, the front ejection section 111 and the rear ejection tube 112 are detachably connected together, and the rear ejection tube 112 and the front ejection tube 111 are connected together by screws.

[0028] A stove comprises the above-mentioned three-ring fire combustion structure.

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0033] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. 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 may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0034] The above-mentioned preferred implementation modes should be regarded as illustrative examples of the implementation modes of the present application scheme. Any technical deductions, replacements, improvements, etc. that are identical or similar to the present application scheme or made based on this scheme should be regarded as within the scope of protection of this patent.

Claims

1. A three-ring fire combustion structure, characterized in that: It includes a burner head and an air distribution plate, the burner head is provided with a first ejector tube, a second ejector tube, an outer ring air outlet and a middle air outlet, the first ejector tube is connected with the outer ring air outlet, the second ejector tube is connected with the middle air outlet, the burner head is also provided with a center mounting hole, the center mounting hole is provided with a detachable or fixed center direct flame, the air distribution plate is installed on the burner head, and the air distribution plate is provided with an outer ring air cavity connected with the outer ring air outlet, and a middle air cavity connected with the middle air outlet.

2. The three-ring fire combustion structure according to claim 1, characterized in that: The gas distribution plate is provided with a central hole, the central hole corresponds to the central mounting hole, and the flame of the central direct jet fire passes through the central hole to heat the pot body.

3. The three-ring fire combustion structure according to claim 2 is characterized in that: The central mounting hole is provided with a mounting hole and a vent hole, the vent hole is arranged around the central hole, and the vent hole passes through from top to bottom.

4. The three-ring fire combustion structure according to claim 1, characterized in that: An intermediate air guiding cavity is arranged between the second ejector tube and the intermediate air outlet, and an escape space is arranged on one side of the intermediate air guiding cavity close to the central mounting hole.

5. The three-ring fire combustion structure according to claim 1 or 4, characterized in that: An outer ring air guide cavity is arranged between the first ejector tube and the outer ring air outlet, and a connecting plate is arranged between the outer ring air guide cavity and the middle air guide cavity of the furnace head.

6. The three-ring fire combustion structure according to claim 5, characterized in that: The outer ring air guiding cavity and the middle air guiding cavity both protrude upward from the connecting plate.

7. The three-ring fire combustion structure according to claim 5, characterized in that: The connecting plate is provided with a vent which passes through from top to bottom.

8. The three-ring fire combustion structure according to claim 1, characterized in that: The central direct flame sprayer is provided with a connecting tube and a nozzle arranged at one end of the connecting tube, one end of the nozzle is connected to the air intake pipe, and the connecting tube is provided with multiple layers of ventilation grooves, and two adjacent layers of ventilation grooves are staggered.

9. The three-ring fire combustion structure according to claim 1, characterized in that: The first ejector tube and the second ejector tube are provided with a front ejector section and a rear ejector tube, and the front ejector section and the rear ejector tube are detachably connected together.

10. A cooking appliance, characterized in that: It comprises the three-ring fire combustion structure as described in any one of claims 1-9.

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