Upper air inlet three-ring fire burner

Abstract

The utility model relates to an upper air inlet three-ring fire burner, and belongs to the field of kitchen appliances. The burner comprises a base, a gas distribution disc, an inner ring fire cover, a middle ring fire cover and an outer ring fire cover, the gas distribution disc is installed on the base, an inner ring fire cavity, a middle ring fire cavity and an outer ring fire cavity are arranged on the gas distribution disc, and the inner ring fire cover, the middle ring fire cover and the outer ring fire cover are installed on the inner ring fire cavity, the middle ring fire cavity and the outer ring fire cavity respectively. The burner is structurally characterized in that the middle ring fire cavity is communicated with a middle ring fire transition section, the middle ring fire transition section is communicated with a middle ring fire injection pipe, the outer ring fire cavity is communicated with an outer ring fire transition section, the outer ring fire transition section is communicated with an outer ring fire injection pipe, and the outer ring fire transition section is communicated with an inner ring fire injection pipe. The middle ring fire transition section and the outer ring fire transition section are both of an arc-shaped structure, the bottom of the middle ring fire transition section and the bottom of the outer ring fire transition section are both of a slope structure, and the base is provided with an ignition needle and a thermocouple.

Description

Technical Field

[0001] The utility model relates to a top-inlet three-ring fire burner, belonging to the field of kitchen appliances. Background Art

[0002] Burners are kitchen appliances used for cooking food. Currently, most burners only have inner ring fire and outer ring fire during combustion. Some burners can realize inner ring fire, middle ring fire and outer ring fire combustion. In view of this, an upper air intake burner is disclosed in the patent document with application number 202010948466.X. The burner in the above-mentioned prior art is provided with two chambers 4a, and the two chambers 4a share an outer ring fire cover 2, which will make the secondary air supplement of the two chambers 4a insufficient during combustion; in view of this, a suspended upper air intake three-chamber burner is disclosed in the patent document with application number 202110483861.X. The first ejector pipe 301 and the third ejector pipe 303 of the burner in the above-mentioned prior art are not provided with a transition section, resulting in large resistance when the gas flows and low combustion efficiency. Utility Model Content

[0003] The utility model aims to overcome the above-mentioned deficiencies in the prior art and to provide an upper air inlet three-ring fire burner with a reasonable structural design.

[0004] The technical solution adopted by the utility model to solve the above-mentioned problem is: the upper air inlet three-ring fire burner includes a base, an air distribution plate, an inner ring fire cover, a middle ring fire cover and an outer ring fire cover, the air distribution plate is installed on the base, the air distribution plate is provided with an inner ring fire cavity, a middle ring fire cavity and an outer ring fire cavity, the inner ring fire cover, the middle ring fire cover and the outer ring fire cover are respectively installed on the inner ring fire cavity, the middle ring fire cavity and the outer ring fire cavity, the inner ring fire cavity is connected with the inner ring fire ejector tube, and its structural characteristics are: the middle ring fire cavity is connected with the middle ring fire transition section, the middle ring fire transition section is connected with the middle ring fire ejector tube, the outer ring fire cavity is connected with the outer ring fire transition section, and the outer ring fire transition section is connected with the outer ring fire ejector tube.

[0005] Furthermore, the middle ring fire transition section and the outer ring fire transition section are both arranged in an arc-shaped structure.

[0006] Furthermore, the bottoms of the middle ring fire transition section and the outer ring fire transition section are both arranged in a slope structure.

[0007] Furthermore, the base is equipped with an ignition needle and a thermocouple.

[0008] Furthermore, an air intake channel, an air intake seat and an air intake nozzle are provided on the base, one end of the air intake channel is connected to the air intake seat, the air intake nozzle is installed on the air intake seat, and the air intake nozzle is arranged opposite to the inner ring fire ejector tube, the middle ring fire ejector tube and the outer ring fire ejector tube.

[0009] Furthermore, the inner ring fire ejection tube, the middle ring fire ejection tube, and the outer ring fire ejection tube are located above the cooker panel.

[0010] Furthermore, there are secondary air passages for supplementing secondary air between the inner ring fire chamber and the middle ring fire chamber, and between the middle ring fire chamber and the outer ring fire chamber.

[0011] Compared with the prior art, the utility model has the following advantages: the burner is provided with an inner ring fire cavity, a middle ring fire cavity and an outer ring fire cavity to realize inner ring fire, middle ring fire and outer ring fire three-ring fire combustion, which can improve its combustion efficiency; the inner ring fire ejector tube, the middle ring fire ejector tube and the outer ring fire ejector tube are arranged above the stove panel, and the secondary air can be supplemented without opening an air inlet in the shell below the stove panel; the middle ring fire transition section and the outer ring fire transition section are arranged in an arc shape and a slope structure, which can reduce the resistance of the mixed gas flow and improve the combustion efficiency; the arranged secondary air channel can realize the supplement of secondary air during combustion, so that the combustion is more complete. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of an upper air inlet three-ring fire burner according to an embodiment of the utility model.

[0013] Figure 2 It is a schematic diagram of the explosion structure of the upper air inlet three-ring fire burner of the embodiment of the utility model.

[0014] Figure 3 It is a three-dimensional structural schematic diagram of the gas distribution plate of an embodiment of the utility model.

[0015] Figure 4 It is a three-dimensional structural schematic diagram of the gas distribution plate of an embodiment of the utility model.

[0016] Figure 5 It is a schematic diagram of the main structure of the gas distribution plate of an embodiment of the utility model.

[0017] In the figure: base 1, gas distribution plate 2, inner ring fire cover 3, middle ring fire cover 4, outer ring fire cover 5, ignition needle 6, thermocouple 7,

[0018] Intake channel 11, intake seat 12, intake nozzle 13,

[0019] Inner ring fire cavity 21, middle ring fire cavity 22, outer ring fire cavity 23, inner ring fire ejector tube 24, middle ring fire ejector tube 25, outer ring fire ejector tube 26, middle ring fire transition section 27, outer ring fire transition section 28, secondary air channel 29. DETAILED DESCRIPTION

[0020] The present invention will be further described in detail below with reference to the accompanying drawings and through examples. The following examples are provided to explain the present invention, but the present invention is not limited to the following examples.

[0021] Example

[0022] See also Figures 1 to 5 As shown, it should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model. At the same time, if there are references to terms such as "upper", "lower", "left", "right", "middle" and "one" in this specification, they are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of their relative relationship, without substantially changing the technical content, should also be regarded as the scope of the implementation of the utility model.

[0023] The top air inlet three-ring fire burner in this embodiment includes a base 1, an air distribution plate 2, an inner ring fire cover 3, a middle ring fire cover 4 and an outer ring fire cover 5. The air distribution plate 2 is installed on the base 1, and the base 1 is equipped with an ignition needle 6 and a thermocouple 7.

[0024] The gas distribution plate 2 in this embodiment is provided with an inner ring fire chamber 21, a middle ring fire chamber 22 and an outer ring fire chamber 23, and the inner ring fire cover 3, the middle ring fire cover 4 and the outer ring fire cover 5 are respectively installed on the inner ring fire chamber 21, the middle ring fire chamber 22 and the outer ring fire chamber 23. There are secondary air passages 29 for supplementing secondary air between the inner ring fire chamber 21 and the middle ring fire chamber 22, and between the middle ring fire chamber 22 and the outer ring fire chamber 23.

[0025] The inner ring fire cavity 21 in this embodiment is connected with the inner ring fire ejector tube 24, the middle ring fire cavity 22 is connected with the middle ring fire transition section 27, the middle ring fire transition section 27 is connected with the middle ring fire ejector tube 25, the outer ring fire cavity 23 is connected with the outer ring fire transition section 28, the outer ring fire transition section 28 is connected with the outer ring fire ejector tube 26, the middle ring fire transition section 27 and the outer ring fire transition section 28 are both arranged in an arc-shaped structure, and the bottoms of the middle ring fire transition section 27 and the outer ring fire transition section 28 are both arranged in a sloped structure.

[0026] An air intake channel 11, an air intake seat 12 and an air intake nozzle 13 are provided on the base 1 in this embodiment. One end of the air intake channel 11 is connected to the air intake seat 12. The air intake nozzle 13 is installed on the air intake seat 12, and the air intake nozzle 13 is arranged opposite to the inner ring fire ejection tube 24, the middle ring fire ejection tube 25, and the outer ring fire ejection tube 26. The inner ring fire ejection tube 24, the middle ring fire ejection tube 25, and the outer ring fire ejection tube 26 are located above the stove panel.

[0027] Specifically, the upper air inlet three-ring fire burner places the inner ring fire ejector tube 24, the middle ring fire ejector tube 25, and the outer ring fire ejector tube 26 above the stove panel, so that the gas can be fully mixed with the air when entering the inner ring fire ejector tube 24, the middle ring fire ejector tube 25, and the outer ring fire ejector tube 26, so there is no need to open an air inlet on the shell below the stove panel.

[0028] When the gas is ejected from the air intake passage 11, the air intake seat 12, and the air intake nozzle 13 and mixed with the primary air, it enters the inner ring fire ejector tube 24, the middle ring fire ejector tube 25, and the outer ring fire ejector tube 26 respectively, and then enters the inner ring fire cavity 21, the middle ring fire cavity 22, and the outer ring fire cavity 23. Setting the middle ring fire transition section 27 and the outer ring fire transition section 28 as a slope structure can make the mixed gas enter the middle ring fire cavity 22 and the outer ring fire cavity 23 more smoothly, and can reduce the resistance of the mixed gas entering the middle ring fire cavity 22 and the outer ring fire cavity 23. Setting the secondary air passage 29 can realize the supplement of secondary air when the middle ring fire cover 4 and the outer ring fire cover 5 are burning, which can make the gas burn more fully.

[0029] An inner ring fire cavity 21, a middle ring fire cavity 22, and an outer ring fire cavity 23 are provided, and an inner ring fire cover 3, a middle ring fire cover 4, and an outer ring fire cover 5 are provided on the inner ring fire cavity 21, the middle ring fire cavity 22, and the outer ring fire cavity 23 to realize three-ring fire combustion and improve its combustion efficiency.

[0030] In addition, it should be noted that the shapes and names of the parts and components of the specific embodiments described in this specification may be different, and the above content described in this specification is only an example of the structure of the utility model. All equivalent changes or simple changes made based on the structure, features and principles described in the patent concept of the utility model are included in the protection scope of the utility model patent. Technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar manner, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, they should all fall within the protection scope of the utility model.

Claims

1. A top-inlet three-ring fire burner, comprising a base (1), a gas distribution plate (2), an inner ring fire cover (3), a middle ring fire cover (4) and an outer ring fire cover (5), wherein the gas distribution plate (2) is mounted on the base (1), an inner ring fire cavity (21), a middle ring fire cavity (22) and an outer ring fire cavity (23) are arranged on the gas distribution plate (2), the inner ring fire cover (3), the middle ring fire cover (4) and the outer ring fire cover (5) are respectively mounted on the inner ring fire cavity (21), the middle ring fire cavity (22) and the outer ring fire cavity (23), the inner ring fire cavity (21) is connected to an inner ring fire ejector pipe (24), and is characterized in that: The middle ring fire cavity (22) is in communication with the middle ring fire transition section (27), the middle ring fire transition section (27) is in communication with the middle ring fire ejector tube (25), the outer ring fire cavity (23) is in communication with the outer ring fire transition section (28), the outer ring fire transition section (28) is in communication with the outer ring fire ejector tube (26).

2. The top air inlet three-ring fire burner according to claim 1 is characterized in that: The middle ring fire transition section (27) and the outer ring fire transition section (28) are both arranged in an arc-shaped structure.

3. The top air inlet three-ring fire burner according to claim 1 is characterized in that: The bottoms of the middle ring fire transition section (27) and the outer ring fire transition section (28) are both arranged in a sloped structure.

4. The top air inlet three-ring fire burner according to claim 1, characterized in that: The base (1) is equipped with an ignition needle (6) and a thermocouple (7).

5. The top air inlet three-ring fire burner according to claim 1, characterized in that: An air intake passage (11), an air intake seat (12) and an air intake nozzle (13) are provided on the base (1); one end of the air intake passage (11) is in communication with the air intake seat (12); the air intake nozzle (13) is mounted on the air intake seat (12); and the air intake nozzle (13) is arranged opposite to an inner ring fire ejector tube (24), a middle ring fire ejector tube (25) and an outer ring fire ejector tube (26).

6. The top air inlet three-ring fire burner according to claim 1, characterized in that: The inner ring fire ejection pipe (24), the middle ring fire ejection pipe (25), and the outer ring fire ejection pipe (26) are located above the stove panel.

7. The top air inlet three-ring fire burner according to claim 1, characterized in that: A secondary air passage (29) for replenishing secondary air is provided between the inner ring fire chamber (21) and the middle ring fire chamber (22), and between the middle ring fire chamber (22) and the outer ring fire chamber (23).

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