Distributor, burner and gas stove

Abstract

The utility model discloses a fire distributor, a burner and a gas stove. The fire distributor comprises a fire distributor body, a fire distribution groove structure and an injection structure, the fire distribution groove structure comprises an inner ring fire distribution groove, a middle ring fire distribution groove and an outer ring fire distribution groove, the middle ring fire distribution groove is annularly formed in the outer side of the inner ring fire distribution groove, the outer ring fire distribution groove is annularly formed in the outer side of the middle ring fire distribution groove, and the injection structure comprises an inner ring injection pipe, a middle ring injection pipe and an outer ring injection pipe. The outer ring injection pipe is communicated with the outer ring fire distribution groove, the middle ring injection pipe is communicated with the middle ring fire distribution groove, the inner ring injection pipe is communicated with the inner ring fire distribution groove, and a first protrusion protruding outwards is arranged on the outer side wall of the middle ring fire distribution groove, so that a first injection cavity communicated with the middle ring injection pipe is formed in the inner side of the first protrusion; and / or a second protrusion part protruding outwards is arranged on the outer side wall of the inner ring fire distribution groove, so that a second injection cavity communicating with the inner ring injection pipe is formed in the inner side of the second protrusion part.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen appliances, in particular to a fire distributor, a burner and a gas stove. Background Art

[0002] Due to structural limitations, the ejector tubes of the inner and middle rings of the upper air inlet three-ring burner are often relatively short. Short ejector tubes will lead to uneven mixing of gas and primary air, resulting in incomplete combustion, low thermal efficiency and high CO content in the flue gas. In order to set the ejector tube longer and set a larger burner, it is not conducive to miniaturization of the structure and difficult to install in a gas stove with a small space.

[0003] Therefore, a kind of fire distributor is in the need of urgently to solve the above problems. Utility Model Content

[0004] The utility model aims to solve one of the problems existing in the existing related technologies to at least a certain extent. To this end, the utility model proposes an ignition distributor with better induced effect, better mixing effect of fuel gas and primary air, and higher combustion efficiency.

[0005] The above purpose is achieved through the following technical solutions:

[0006] A fire divider, comprising a fire divider body, a fire divider groove structure and an ejection structure, wherein the fire divider groove structure is arranged on the fire divider body, and the ejection structure is arranged at the lower part of the fire divider groove structure, the fire divider groove structure comprises an inner ring fire divider groove, a middle ring fire divider groove and an outer ring fire divider groove, the middle ring fire divider groove is arranged on the outer side of the inner ring fire divider groove, and the outer ring fire divider groove is arranged on the outer side of the middle ring fire divider groove, the ejection structure comprises an inner ring ejection tube, a middle ring ejection tube and an outer ring ejection tube, the outer ring ejection tube is connected with the outer ring fire divider groove, the middle ring ejection tube is connected with the middle ring fire divider groove, and the inner ring ejection tube is connected with the inner ring fire divider groove, and a first protrusion protruding outward is arranged on the outer side wall of the middle ring fire divider groove, so that the inner side of the first protrusion forms a first ejection cavity connected with the middle ring ejection tube; and / or

[0007] A second protrusion protruding outward is arranged on the outer side wall of the inner ring fire dividing groove, so that the inner side of the second protrusion forms a second ejection cavity connected with the inner ring ejection tube.

[0008] Optionally, a first guide surface is provided in the inner ring fire dividing groove, and the end of the first guide surface close to the inner ring ejector tube is the first guide end, and the end of the first guide surface close to the middle ring ejector tube is the second guide end, and the first guide surface is inclined upward from the first guide end to the second guide end.

[0009] Optionally, a second guide surface is provided in the middle ring fire dividing groove, the end of the second guide surface close to the middle ring ejector pipe is the third guide end, the end of the second guide surface close to the inner ring ejector pipe is the fourth guide end, and the second guide surface is inclined upward from the third guide end to the fourth guide end.

[0010] Optionally, it also includes a third guide surface, which extends upward from the inner part of the outer ring ejector tube to the inner part of the outer ring fire dividing groove.

[0011] Optionally, the inner ring ejector tube, the middle ring ejector tube and the outer ring ejector tube are all straight tubes.

[0012] Optionally, the ignition divider is integrally formed.

[0013] On the other hand, the utility model provides a burner, including a fire cover structure and the above-mentioned fire divider, the fire cover structure includes an outer fire cover, a middle fire cover and an inner fire cover, the outer fire cover is covered on the outer ring fire divider groove and is combined with the outer ring fire divider groove to form an outer ring gas mixing chamber, the middle fire cover is covered on the middle ring fire divider groove and is combined with the middle ring fire divider groove to form a middle ring gas mixing chamber, and the inner fire cover is covered on the inner ring fire divider groove and is combined with the inner ring fire divider groove to form an inner ring gas mixing chamber.

[0014] Optionally, it also includes a base, which includes a base body and an inner ring air inlet joint, a middle ring air inlet joint and an outer ring air inlet joint arranged on the base body, the inner ring air inlet joint is connected to the inner ring ejector tube, the middle ring air inlet joint is connected to the middle ring ejector tube, and the outer ring air inlet joint is connected to the outer ring ejector tube.

[0015] Optionally, it also includes an ignition needle structure, which is installed on the base body and extends into the inner side of the inner ring fire dividing groove.

[0016] In another aspect, the utility model provides a gas stove, comprising the burner mentioned above.

[0017] Compared with the prior art, the utility model has at least the following beneficial effects:

[0018] The fire distributor provided by the utility model is provided with a first protrusion protruding outward on the outer side wall of the middle ring fire distributor groove, so that the inner side of the first protrusion forms a first ejection cavity connected with the middle ring ejection tube, and then the ejection length of the middle ring fire is the sum of the length L1 of the middle ring ejection tube and the length of the first ejection cavity L2, thereby improving the ejection capacity of the middle ring fire, making the fuel gas of the middle ring fire more evenly mixed with the primary air, burning more fully, having higher thermal efficiency and reducing the carbon dioxide content in the smoke, and at the same time, there is no need to increase the volume of the fire distributor, which is conducive to maintaining the structure. Miniaturization; and / or by arranging a second protrusion protruding outward on the outer side wall of the inner ring fire dividing groove, so that the inner side of the second protrusion forms a second injection cavity connected to the inner ring injection tube, and then the injection length of the inner ring fire is the sum of the length L3 of the inner ring injection tube and the length L4 of the second injection cavity, thereby improving the injection capacity of the inner ring fire, making the fuel gas of the inner ring fire more evenly mixed with the primary air, burning more completely, with higher thermal efficiency and reducing the carbon dioxide content in the flue gas, and at the same time, there is no need to increase the volume of the fire divider, which is conducive to maintaining the miniaturization of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is one of the three-dimensional structural schematic diagrams of the fire distributor provided by the specific embodiment of the utility model;

[0020] Figure 2 This is the second schematic diagram of the three-dimensional structure of the fire distributor provided by the specific embodiment of the utility model;

[0021] Figure 3 yes Figure 1 A top view of

[0022] Figure 4 yes Figure 1 Right view of;

[0023] Figure 5 yes Figure 4 Sectional view at the middle BB;

[0024] Figure 6 It is a schematic diagram of the three-dimensional structure of a burner provided in a specific embodiment of the utility model;

[0025] Figure 7 yes Figure 6 Right view of;

[0026] Figure 8 yes Figure 7 Cross-sectional view at AA in the middle.

[0027] In the figure:

[0028] 1. Fire distributor; 11. Fire distributor body; 12. Outer ring ejector tube; 121. Third guide surface; 13. Middle ring ejector tube; 131. Second guide surface; 14. Inner ring ejector tube; 141. First guide surface; 101. Outer ring fire distributor groove; 102. Middle ring fire distributor groove; 1021. First protrusion; 1020. First ejector cavity; 103. Inner ring fire distributor groove; 1031. Second protrusion; 1030. Second ejector cavity;

[0029] 2. Fire cover structure; 21. Outer fire cover; 22. Middle fire cover; 23. Inner fire cover;

[0030] 3. Base; 31. Base body; 32. Middle ring air inlet connector; 33. Inner ring air inlet connector; 34. Outer ring air inlet connector; 100. Outer ring air mixing chamber; 200. Middle ring air mixing chamber; 300. Inner ring air mixing chamber;

[0031] 4. Ignition needle structure. DETAILED DESCRIPTION

[0032] The following examples illustrate the present invention, but the present invention is not limited by these examples. Modifications to the specific implementation of the present invention or equivalent replacement of some technical features without departing from the spirit of the present invention should be included in the scope of the technical solution claimed for protection in the present invention.

[0033] Please refer to Figure 1-Figure 5 The utility model provides a fire divider, including a fire divider body 11, a fire divider groove structure and an ejection structure. The fire divider groove structure is arranged on the fire divider body 11, and the ejection structure is arranged at the lower part of the fire divider groove structure. The fire divider groove structure includes an inner ring fire divider groove 103, a middle ring fire divider groove 102 and an outer ring fire divider groove 101. The middle ring fire divider groove 102 is arranged on the outer side of the inner ring fire divider groove 103, and the outer ring fire divider groove 101 is arranged on the outer side of the middle ring fire divider groove 102. The structure includes an inner ring ejector tube 14, a middle ring ejector tube 13 and an outer ring ejector tube 12, the outer ring ejector tube 12 is connected to the outer ring fire-dividing groove 101, the middle ring ejector tube 13 is connected to the middle ring fire-dividing groove 102, the inner ring ejector tube 14 is connected to the inner ring fire-dividing groove 103, and the outer side wall of the middle ring fire-dividing groove 102 is provided with a first protrusion 1021 protruding outwards, so that the inner side of the first protrusion 1021 forms a first ejection cavity 1020 connected to the middle ring ejector tube 13. And / or the outer side wall of the inner ring fire-dividing groove 103 is provided with a second protrusion 1031 protruding outwards, so that the inner side of the second protrusion 1031 forms a second ejection cavity 1030 connected to the inner ring ejector tube 14.

[0034] The fire distributor 1 provided by the utility model is provided with a first protrusion 1021 protruding outward on the outer side wall of the middle ring fire distributor groove 102, so that the inner side of the first protrusion 1021 forms a first ejection cavity 1020 connected with the middle ring ejection tube 13, so that the ejection length of the middle ring fire is the sum of the length L1 of the middle ring ejection tube 13 and the length L2 of the first ejection cavity 1020, thereby improving the ejection capacity of the middle ring fire, making the fuel gas of the middle ring fire more evenly mixed with the primary air, burning more fully, having higher thermal efficiency and reducing the carbon dioxide content in the smoke, and at the same time, there is no need to increase the volume of the fire distributor 1, which is conducive to maintaining the structure miniaturization; and / or by providing a second protrusion 1031 protruding outward on the outer side wall of the inner ring fire dividing groove 103, so that the inner side of the second protrusion 1031 forms a second injection cavity 1030 connected to the inner ring injection tube 14, and then the injection length of the inner ring fire is the sum of the length L3 of the inner ring injection tube 14 and the length L4 of the second injection cavity 1030, thereby improving the injection capacity of the inner ring fire, making the gas of the inner ring fire more evenly mixed with the primary air, burning more fully, having higher thermal efficiency and reducing the carbon dioxide content in the flue gas, and at the same time, there is no need to increase the volume of the fire divider 1, which is conducive to maintaining the miniaturization of the structure.

[0035] Optionally, a first guide surface 141 is provided in the inner ring fire dividing groove 103, and the end of the first guide surface 141 close to the inner ring ejector tube 14 is the first guide end, and the end of the first guide surface 141 close to the middle ring ejector tube 13 is the second guide end. The first guide surface 141 is inclined upward from the first guide end to the second guide end, thereby achieving a drainage effect on the gas in the inner ring fire dividing groove 103, avoiding the gas from directly hitting the straight wall formed by the setting of the middle ring ejector tube 13, so that the fuel gas and the primary air can be further mixed.

[0036] Optionally, a second guide surface 131 is provided in the middle ring fire dividing groove 102, and the end of the second guide surface 131 close to the middle ring ejector tube 13 is the third guide end, and the end of the second guide surface 131 close to the inner ring ejector tube 14 is the fourth guide end. The second guide surface 131 is inclined upward from the third guide end to the fourth guide end, thereby achieving the drainage effect on the gas in the middle ring fire dividing groove 102, avoiding the gas from directly hitting the straight wall formed by the inner ring ejector tube 14, so that the fuel gas and the primary air can be further mixed.

[0037] Optionally, it also includes a third guide surface 121, which extends upward from the outer ring ejector tube 12 to the outer ring fire dividing groove 101, thereby achieving a drainage effect on the gas in the outer ring fire dividing groove 101, avoiding the gas from directly hitting the straight wall formed between the outer ring ejector tube 12 and the outer ring fire dividing groove 101, so that the fuel gas and the primary air can be further mixed.

[0038] Optionally, the inner ring ejector tube 14, the middle ring ejector tube 13 and the outer ring ejector tube 12 are all straight tubes to improve the ejection effect.

[0039] Optionally, the ignition divider 1 is integrally formed to improve the strength and air tightness of the ignition divider 1 .

[0040] Please refer to Figure 1-Figure 8 On the other hand, the utility model provides a burner, including a fire cover structure 2 and the above-mentioned fire divider 1, the fire cover structure 2 includes an outer fire cover 21, a middle fire cover 22 and an inner fire cover 23, the outer fire cover 21 is covered on the outer ring fire divider groove 101 and is enclosed with the outer ring fire divider groove 101 to form an outer ring mixing chamber 100, the middle fire cover 22 is covered on the middle ring fire divider groove 102 and is enclosed with the middle ring fire divider groove 102 to form a middle ring mixing chamber 200, and the inner fire cover 23 is covered on the inner ring fire divider groove 103 and is enclosed with the inner ring fire divider groove 103 to form an inner ring mixing chamber 300.

[0041] Optionally, the middle fire cover 22 and the inner fire cover 23 are integrally formed for easy installation.

[0042] Optionally, it also includes a base 3, which includes a base body 31 and an inner ring air inlet joint 33, a middle ring air inlet joint 32 and an outer ring air inlet joint 34 arranged on the base body 31, the inner ring air inlet joint 33 is connected to the inner ring ejector pipe 14, the middle ring air inlet joint 32 is connected to the middle ring ejector pipe 13, and the outer ring air inlet joint 34 is connected to the outer ring ejector pipe 12.

[0043] Optionally, an ignition needle structure 4 is also included. The ignition needle structure 4 is installed on the base body 31 and extends into the inner side of the inner ring fire dividing groove 103 .

[0044] In another aspect, the utility model provides a gas stove, comprising the burner mentioned above.

[0045] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A fire distributor, characterized in that: The invention comprises a fire divider body (11), a fire divider groove structure and an ejection structure, wherein the fire divider groove structure is arranged on the fire divider body (11), and the ejection structure is arranged at the lower part of the fire divider groove structure. The fire divider groove structure comprises an inner ring fire divider groove (103), a middle ring fire divider groove (102) and an outer ring fire divider groove (101), wherein the middle ring fire divider groove (102) is arranged on the outer side of the inner ring fire divider groove (103), and the outer ring fire divider groove (101) is arranged on the outer side of the middle ring fire divider groove (102). The ejection structure comprises an inner ring ejection pipe (14). , a middle ring ejector tube (13) and an outer ring ejector tube (12), the outer ring ejector tube (12) being in communication with the outer ring fire dividing groove (101), the middle ring ejector tube (13) being in communication with the middle ring fire dividing groove (102), the inner ring ejector tube (14) being in communication with the inner ring fire dividing groove (103), and a first protrusion (1021) protruding outwards is provided on the outer side wall of the middle ring fire dividing groove (102), so that the inner side of the first protrusion (1021) forms a first ejection cavity (1020) in communication with the middle ring ejector tube (13); and / or A second protruding portion (1031) protruding outward is provided on the outer side wall of the inner ring fire dividing groove (103), so that the inner side of the second protruding portion (1031) forms a second ejection cavity (1030) connected to the inner ring ejection tube (14).

2. The ignition device according to claim 1, characterized in that: A first guide surface (141) is arranged in the inner ring fire dividing groove (103); the end of the first guide surface (141) close to the inner ring ejector tube (14) is a first guide end; the end of the first guide surface (141) close to the middle ring ejector tube (13) is a second guide end; the first guide surface (141) is arranged to be inclined upward from the first guide end to the second guide end.

3. The ignition device according to claim 1, characterized in that: A second guide surface (131) is arranged in the middle ring fire dividing groove (102); an end of the second guide surface (131) close to the middle ring ejector tube (13) is a third guide end; an end of the second guide surface (131) close to the inner ring ejector tube (14) is a fourth guide end; and the second guide surface (131) is arranged to be inclined upward from the third guide end to the fourth guide end.

4. The ignition device according to claim 1, characterized in that: It also comprises a third flow guide surface (121), wherein the third flow guide surface (121) extends upwardly and obliquely from the inside of the outer ring ejector tube (12) to the inside of the outer ring fire separation groove (101).

5. The ignition distributor according to any one of claims 1 to 4, characterized in that: The inner ring ejector tube (14), the middle ring ejector tube (13) and the outer ring ejector tube (12) are all straight tubes.

6. The ignition distributor according to any one of claims 1 to 4, characterized in that: The fire distributor is integrally formed.

7. A burner, characterized in that: It comprises a fire cover structure (2) and a fire divider (1) as claimed in any one of claims 1 to 6, wherein the fire cover structure (2) comprises an outer fire cover (21), a middle fire cover (22) and an inner fire cover (23), wherein the outer fire cover (21) covers the outer ring fire divider groove (101) and is combined with the outer ring fire divider groove (101) to form an outer ring gas mixing chamber (100), the middle fire cover (22) covers the middle ring fire divider groove (102) and is combined with the middle ring fire divider groove (102) to form a middle ring gas mixing chamber (200), and the inner fire cover (23) covers the inner ring fire divider groove (103) and is combined with the inner ring fire divider groove (103) to form an inner ring gas mixing chamber (300).

8. The burner according to claim 7, characterized in that The invention also comprises a base (3), wherein the base (3) comprises a base body (31) and an inner ring air inlet joint (33), a middle ring air inlet joint (32) and an outer ring air inlet joint (34) arranged on the base body (31), wherein the inner ring air inlet joint (33) is connected to the inner ring ejector tube (14), the middle ring air inlet joint (32) is connected to the middle ring ejector tube (13), and the outer ring air inlet joint (34) is connected to the outer ring ejector tube (12).

9. The burner according to claim 8, characterized in that It also includes an ignition needle structure (4), which is mounted on the base body (31) and extends into the inner side of the inner ring ignition dividing groove (103).

10. A gas stove, characterized in that: A burner comprising the burner according to any one of claims 7 to 9.

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