Burner assembly and gas stove

Abstract

The utility model discloses a furnace end assembly and a gas stove. The furnace end assembly comprises a first furnace end structure, the first furnace end structure comprises a first furnace end body, an avoiding through hole is formed in the middle of the first furnace end body, a first outer ring gas through hole is formed in the first furnace end body, a flow deflector is arranged on the inner wall of the first outer ring gas through hole, and the flow deflector covers part of the first outer ring gas through hole; a plurality of flow guide holes are formed in the flow guide sheet; the second furnace end structure comprises a second furnace end body, the second furnace end body is installed on the lower side of the first furnace end structure, a first secondary air through hole, a first inner ring fuel gas through hole and a second outer ring fuel gas through hole are sequentially formed in the second furnace end body from inside to outside in the radial direction, and the second outer ring fuel gas through hole communicates with the first outer ring fuel gas through hole; the first secondary air through hole and the first inner ring fuel gas through hole are both located in the orthographic projection of the avoiding through hole in the vertical direction. And the third furnace end structure comprises a third furnace end body, and the third furnace end body is installed on the lower side of the second furnace end body.

Description

Technical Field

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

[0002] The existing burner head uses an ejector tube to mix the gas and the primary air, but the mixing uniformity is low, which easily leads to incomplete combustion and excessive carbon dioxide emissions.

[0003] Therefore, a burner head assembly is urgently needed to solve the above problems. Utility Model Content

[0004] The present invention aims to solve at least one of the problems existing in the existing related technologies to a certain extent. To this end, the present invention proposes a burner assembly, in which a guide plate is provided in the first outer ring gas through hole of the first burner body. When the outer ring gas flows into the first outer ring gas through hole through the third outer ring gas through hole and the second outer ring gas through hole in sequence, the gas is partially blocked by the guide plate, thereby reducing the speed of the gas, thereby making the mixing between the gas and the primary air more uniform. At the same time, a plurality of guide holes are provided on the guide plate, so that part of the gas can flow out through the guide holes, thereby improving the distribution uniformity of the gas. The above-mentioned purpose is achieved by the following technical solutions:

[0005] A burner head assembly, comprising:

[0006] A first burner structure includes a first burner body, a middle portion of the first burner body having an avoidance through-hole, a first outer ring gas through-hole, an inner wall of the first outer ring gas through-hole having a guide plate, the guide plate partially covering the first outer ring gas through-hole, and a plurality of guide holes formed on the guide plate;

[0007] a second burner structure, comprising a second burner body, the second burner body being mounted on a lower side of the first burner structure, the second burner body being provided with a first secondary air through hole, a first inner ring gas through hole, and a second outer ring gas through hole in a radial direction from the inside to the outside, the second outer ring gas through hole being in communication with the first outer ring gas through hole, and the first secondary air through hole and the first inner ring gas through hole both being located within an orthographic projection of the avoidance through hole in a vertical direction;

[0008] The third burner structure includes a third burner body, which is installed on the lower side of the second burner body. The second burner body is provided with a second secondary air through hole, a second inner ring gas through hole and a third outer ring gas through hole in sequence from the inside to the outside in the radial direction. The second secondary air through hole is connected to the first secondary air through hole, the second inner ring gas through hole is connected to the first inner ring gas through hole, and the third outer ring gas through hole is connected to the second outer ring gas through hole.

[0009] Optionally, a secondary air intake groove is opened on the lower side of the first burner body, and the secondary air intake groove connects the avoidance through hole and the external setting of the first burner body. The secondary air intake groove cooperates with the upper side surface of the second burner body to form a third secondary air through hole.

[0010] Optionally, two secondary air intake slots are provided, and the two secondary air intake slots are arranged opposite to each other.

[0011] Optionally, a fire cover structure is also included, which includes a fire cover body and a fourth secondary air hole arranged in the middle of the fire cover body. The fire cover body is covered on the upper side of the first burner body, and the third secondary air hole and the first secondary air hole are both connected to the fourth secondary air hole.

[0012] Optionally, one of a positioning hole and a positioning column is provided on the first furnace head body, and the other of the positioning hole and the positioning column is provided on the second furnace head body, and the positioning column is inserted into the positioning hole.

[0013] Optionally, it also includes an ignition needle, which is installed on the third burner body and located between the second inner ring gas through hole and the third outer ring gas through hole. An ignition needle avoidance hole is provided on the second burner body, and the ignition needle avoidance hole is located between the first inner ring gas through hole and the second outer ring gas through hole. The ignition needle is arranged through the ignition needle avoidance hole.

[0014] Optionally, it also includes multiple screws, the second burner body is provided with multiple first mounting holes distributed in the second outer ring gas through holes, the third burner body is provided with multiple second mounting holes distributed in the third outer ring gas through holes, the multiple second mounting holes are arranged in a one-to-one correspondence with the multiple first mounting holes, and the first mounting holes and the second mounting holes are detachably connected by the screws.

[0015] Optionally, there are two of each of the first outer ring gas through hole, the second outer ring gas through hole and the first inner ring gas through hole, the two first outer ring gas through holes are arranged opposite to each other, the two second outer ring gas through holes are arranged opposite to each other, and the two first inner ring gas through holes are arranged opposite to each other.

[0016] Optionally, it also includes an ejector tube assembly, which includes an inner ring ejector tube and an outer ring ejector tube, one end of the inner ring ejector tube is connected to the second inner ring gas through hole, and the other end is connected to the gas supply pipe outside the burner head assembly, one end of the outer ring ejector tube is connected to the third outer ring gas through hole, and the other end is connected to the gas supply pipe.

[0017] Another aspect of the present invention provides a gas stove comprising the burner head assembly described above.

[0018] Compared with the prior art, the present invention has at least the following beneficial effects:

[0019] The burner assembly provided by the present invention is provided with a guide plate in the first outer ring gas through hole of the first burner body. When the outer ring gas flows into the first outer ring gas through hole through the third outer ring gas through hole and the second outer ring gas through hole in sequence, the gas is partially blocked by the guide plate, thereby reducing the speed of the gas, and further making the mixing between the gas and the primary air more uniform. At the same time, multiple guide holes are opened on the guide plate, so that part of the gas can flow out through the guide holes, thereby improving the uniformity of gas distribution. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the three-dimensional structure of the burner head assembly provided by a specific embodiment of the present utility model;

[0021] Figure 2 yes Figure 1 The main view;

[0022] Figure 3 yes Figure 1 Exploded view of

[0023] Figure 4 This is one of the three-dimensional structural diagrams of the first burner structure of the burner assembly provided by a specific embodiment of the present utility model;

[0024] Figure 5 This is the second schematic diagram of the three-dimensional structure of the first burner structure of the burner assembly provided by the specific embodiment of the present utility model;

[0025] Figure 6 It is a schematic diagram of the three-dimensional structure of the burner head assembly provided by a specific embodiment of the present invention with the first burner head structure removed.

[0026] In the picture:

[0027] 1. First burner structure; 11. First burner body; 12. Guide vane; 13. Positioning column; 100. Avoidance hole; 101. First outer ring gas hole; 102. Guide hole; 103. Secondary air inlet slot; 104. Third secondary air hole;

[0028] 2. Second burner structure; 21. Second burner body; 201. Second outer ring gas hole; 202. First inner ring gas hole; 203. First and second air holes; 204. First mounting hole; 205. Positioning hole; 206. Ignition needle avoidance hole;

[0029] 3. Third burner structure; 31. Third burner body; 301. Third outer ring gas hole; 302. Second inner ring gas hole; 303. Second secondary air hole; 304. Second mounting hole;

[0030] 4. Ejector tube assembly; 41. Inner ring ejector tube; 42. Outer ring ejector tube;

[0031] 5. Ignition needle;

[0032] 6. Screws. DETAILED DESCRIPTION

[0033] The following examples illustrate the present invention, but the present invention is not limited by these examples. Modifications to the specific embodiments of the present invention or equivalent replacements of some technical features without departing from the spirit of the present invention should be included in the scope of the technical solution claimed in the present invention.

[0034] Please refer to Figures 1-6 The present invention provides a burner assembly, comprising a first burner structure 1, a second burner structure 2, and a third burner structure 3. The first burner structure 1 comprises a first burner body 11, a central portion of which is provided with an avoidance through-hole 100, a first outer ring gas through-hole 101 being provided on the first burner body 11, a guide plate 12 being provided on the inner wall of the first outer ring gas through-hole 101, the guide plate 12 partially covering the first outer ring gas through-hole 101, and a plurality of guide holes 102 being provided on the guide plate 12. The second burner structure 2 includes a second burner body 21, which is installed on the lower side of the first burner structure 1. The second burner body 21 is provided with first and second air holes 203, first inner ring gas holes 202 and second outer ring gas holes 201 in sequence from the inside to the outside in the radial direction. The second outer ring gas holes 201 are connected to the first outer ring gas holes 101. The first and second air holes 203 and the first inner ring gas holes 202 are both located within the vertical projection of the avoidance hole 100. The third burner structure 3 includes a third burner body 31, which is installed on the lower side of the second burner body 21. The second burner body 21 is provided with second secondary air holes 303, second inner ring gas holes 302 and third outer ring gas holes 301 in sequence from the inside to the outside in the radial direction. The second secondary air holes 303 are connected to the first secondary air holes 203, the second inner ring gas holes 302 are connected to the first inner ring gas holes 202, and the third outer ring gas holes 301 are connected to the second outer ring gas holes 201.

[0035] The burner assembly provided by the present invention is provided with a guide plate 12 in the first outer ring gas through hole 101 of the first burner body 11. When the outer ring gas flows into the first outer ring gas through hole 101 through the third outer ring gas through hole 301 and the second outer ring gas through hole 201 in sequence, the gas is partially blocked by the guide plate 12, thereby reducing the speed of the gas, and making the mixing between the gas and the primary air more uniform. At the same time, a plurality of guide holes 102 are opened on the guide plate 12, so that part of the gas can flow out through the guide hole 102, thereby improving the uniformity of gas distribution.

[0036] Optionally, a secondary air intake groove 103 is provided on the lower side of the first burner body 11. The secondary air intake groove 103 connects the avoidance through-hole 100 with the exterior of the first burner body 11. The secondary air intake groove 103 cooperates with the upper side of the second burner body 21 to form a third secondary air through-hole 104. By providing the secondary air intake groove 103 on the lower side of the first burner body 11 and forming the third secondary air through-hole 104 with the upper side of the second burner body 21, secondary air can enter the burner through the second secondary air through-hole 303, the first secondary air through-hole 203, and the third secondary air through-hole 104, thereby increasing the amount of secondary air replenished and ensuring sufficient combustion.

[0037] Optionally, two secondary air intake slots 103 are provided, and the two secondary air intake slots 103 are arranged opposite to each other. On the one hand, more secondary air can be added, and on the other hand, the uniformity of the secondary air added in parallel can be ensured to ensure the uniformity of combustion.

[0038] Optionally, a fire cover structure (not shown in the figure) is also included, which includes a fire cover body and a fourth secondary air hole arranged in the middle of the fire cover body. The fire cover body is covered on the upper side of the first burner body 11, and the third secondary air hole and the first secondary air hole 203 are all connected to the fourth secondary air hole, so that the secondary air finally flows out through the fourth secondary air hole, thereby replenishing the secondary air.

[0039] Optionally, one of the positioning hole 205 and the positioning column 13 is provided on the first burner body 11, and the other of the positioning hole 205 and the positioning column 13 is provided on the second burner body 21. The positioning column 13 is inserted into the positioning hole 205, thereby realizing the positioning of the first burner body 11 installed on the second burner body 21.

[0040] Optionally, in this embodiment, the positioning hole 205 is opened on the second furnace head body 21 , and the positioning column 13 is arranged on the lower side of the first furnace head body 11 .

[0041] Optionally, an ignition needle 5 is further included. The ignition needle 5 is installed on the third burner body 31 and is located between the second inner ring gas through hole 302 and the third outer ring gas through hole 301. An ignition needle avoidance hole 206 is provided on the second burner body 21. The ignition needle avoidance hole 206 is located between the first inner ring gas through hole 202 and the second outer ring gas through hole 201. The ignition needle 5 is arranged through the ignition needle avoidance hole 206. On the one hand, the ignition needle avoidance hole 206 enables the installation of the ignition needle 5, so that the ignition needle 5 can extend upward above the second burner body 21. On the other hand, the ignition needle 5 extending into the ignition needle avoidance hole 206 can also achieve installation and positioning between the second burner body 21 and the first burner body 11, achieving a fool-proof installation effect between the second burner body 21 and the first burner body 11, and having a simple structure.

[0042] Optionally, it also includes multiple screws 6, and the second burner body 21 is provided with multiple first mounting holes 204 distributed in the second outer ring gas through hole 201, and the third burner body 31 is provided with multiple second mounting holes 304 distributed in the third outer ring gas through hole 301. The multiple second mounting holes 304 are arranged in a one-to-one correspondence with the multiple first mounting holes 204, and the first mounting holes 204 and the second mounting holes 304 are detachably connected by screws 6. During installation, the ignition needle 5 is first inserted into the ignition needle avoidance hole 206 to achieve positioning between the second burner body 21 and the third burner body 31, and then the first mounting hole 204 and the second mounting hole 304 are locked by screws 6, thereby achieving the installation of the second burner body 21 on the third burner body 31.

[0043] Optionally, there are two first outer ring gas through holes 101, two second outer ring gas through holes 201 and two first inner ring gas through holes 202, the two first outer ring gas through holes 101 are arranged opposite to each other, the two second outer ring gas through holes 201 are arranged opposite to each other, and the two first inner ring gas through holes 202 are arranged opposite to each other, so as to improve the combustion uniformity of the inner ring flame and the outer ring flame.

[0044] Optionally, an ejector tube assembly 4 is also included, which includes an inner ring ejector tube 41 and an outer ring ejector tube 42. One end of the inner ring ejector tube 41 is connected to the second inner ring gas hole 302, and the other end is connected to the gas supply pipe outside the burner head assembly. One end of the outer ring ejector tube 42 is connected to the third outer ring gas hole 301, and the other end is connected to the gas supply pipe.

[0045] Another aspect of the present invention provides a gas stove comprising the burner head assembly described above.

[0046] The above descriptions 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, and these all fall within the scope of protection of the present invention.

Claims

1. A burner head assembly, characterized in that: include: A first burner structure (1) comprises a first burner body (11), a middle portion of the first burner body (11) is provided with an avoidance through hole (100), the first burner body (11) is provided with a first outer ring gas through hole (101), an inner wall of the first outer ring gas through hole (101) is provided with a guide plate (12), the guide plate (12) partially covers the first outer ring gas through hole (101), and the guide plate (12) is provided with a plurality of guide holes (102); A second burner structure (2) comprises a second burner body (21), the second burner body (21) being mounted on the lower side of the first burner structure (1), the second burner body (21) being provided with a first secondary air through hole (203), a first inner ring gas through hole (202) and a second outer ring gas through hole (201) in sequence from the inside to the outside in a radial direction, the second outer ring gas through hole (201) being in communication with the first outer ring gas through hole (101), and the first secondary air through hole (203) and the first inner ring gas through hole (202) being both located within the vertical projection of the avoidance through hole (100); The third burner structure (3) comprises a third burner body (31), wherein the third burner body (31) is mounted on the lower side of the second burner body (21), and the second burner body (21) is provided with a second secondary air through hole (303), a second inner ring gas through hole (302) and a third outer ring gas through hole (301) in sequence from the inside to the outside in a radial direction, wherein the second secondary air through hole (303) is communicated with the first secondary air through hole (203), the second inner ring gas through hole (302) is communicated with the first inner ring gas through hole (202), and the third outer ring gas through hole (301) is communicated with the second outer ring gas through hole (201).

2. The burner head assembly according to claim 1, characterized in that A secondary air intake groove (103) is provided on the lower side of the first burner body (11), and the secondary air intake groove (103) connects the avoidance through hole (100) and the external setting of the first burner body (11). The secondary air intake groove (103) cooperates with the upper side surface of the second burner body (21) to form a third secondary air through hole (104).

3. The burner head assembly according to claim 2, characterized in that Two secondary air intake slots (103) are provided, and the two secondary air intake slots (103) are arranged opposite to each other.

4. The burner head assembly according to claim 2, wherein: It also includes a fire cover structure, which includes a fire cover body and a fourth secondary air through hole arranged in the middle of the fire cover body. The fire cover body is covered on the upper side of the first burner body (11), and the third secondary air through hole (104) and the first secondary air through hole (203) are both connected to the fourth secondary air through hole.

5. The burner head assembly according to any one of claims 1 to 4, characterized in that: The first furnace head body (11) is provided with one of a positioning hole (205) and a positioning column (13), and the second furnace head body (21) is provided with the other of the positioning hole (205) and the positioning column (13), and the positioning column (13) is inserted into the positioning hole (205).

6. The burner head assembly according to any one of claims 1 to 4, characterized in that: The burner further comprises an ignition needle (5), the ignition needle (5) being mounted on the third burner body (31) and being located between the second inner ring gas through hole (302) and the third outer ring gas through hole (301); an ignition needle avoidance hole (206) being provided on the second burner body (21); the ignition needle avoidance hole (206) being located between the first inner ring gas through hole (202) and the second outer ring gas through hole (201); and the ignition needle (5) being arranged through the ignition needle avoidance hole (206).

7. The burner head assembly according to claim 6, characterized in that The invention also includes a plurality of screws (6), a plurality of first mounting holes (204) distributed in the second outer ring gas through hole (201) are opened on the second burner body (21), a plurality of second mounting holes (304) distributed in the third outer ring gas through hole (301) are opened on the third burner body (31), the plurality of second mounting holes (304) are arranged in a one-to-one correspondence with the plurality of first mounting holes (204), and the first mounting holes (204) and the second mounting holes (304) are detachably connected via the screws (6).

8. The burner head assembly according to any one of claims 1 to 4, characterized in that: The first outer ring gas through hole (101), the second outer ring gas through hole (201) and the first inner ring gas through hole (202) are each provided with two, the two first outer ring gas through holes (101) are arranged opposite to each other, the two second outer ring gas through holes (201) are arranged opposite to each other, and the two first inner ring gas through holes (202) are arranged opposite to each other.

9. The burner head assembly according to any one of claims 1 to 4, characterized in that: The invention also includes an ejector tube assembly (4), wherein the ejector tube assembly (4) includes an inner ring ejector tube (41) and an outer ring ejector tube (42), one end of the inner ring ejector tube (41) is connected to the second inner ring gas through hole (302), and the other end is connected to the gas supply pipeline outside the burner assembly, and one end of the outer ring ejector tube (42) is connected to the third outer ring gas through hole (301), and the other end is connected to the gas supply pipeline.

10. A gas stove, characterized in that: The invention comprises the burner head assembly according to any one of claims 1 to 9.

Images