Combustor of gas oven and gas oven

Abstract

The invention discloses a burner of a gas oven and the gas oven. The combustor of the gas oven comprises a combustion pipeline, the combustion pipeline comprises an upper pipeline sheet and is integrally formed, the upper pipeline sheet comprises an upper sheet, and a first groove is formed in the lower side of the upper sheet; the middle pipeline sheet is integrally formed and comprises a middle sheet body arranged on the lower side of the upper sheet body, a second groove corresponding to the first groove is formed in the upper side of the middle sheet body, and the first groove and the second groove are communicated to form a combustion gas cavity; one end of the combustion gas cavity communicates with a gas supply pipeline outside the gas oven, a plurality of fire hole channels communicating with the second end of the combustion gas cavity are formed between one end of the upper sheet and one end of the middle sheet, and the fire hole channels are located on the side, close to the middle of a cooking cavity of the gas oven, of the combustion gas cavity. And a fire spraying opening of the fire hole channel is formed towards the middle part of the cooking cavity.

Description

Technical Field

[0001] The present invention relates to the technical field of kitchen appliances, and in particular to a burner of a gas oven and a gas oven. Background Art

[0002] The combustion tube of the existing gas oven is generally integrally formed, and a fire hole is directly opened on the combustion tube for combustion. The gas and air can only be mixed in the combustion pipe, and the mixing effect is poor, resulting in low combustion efficiency and difficulty in meeting user requirements.

[0003] Therefore, a burner for a gas oven is urgently needed to solve the above problems. Summary of the invention

[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 for a gas oven. By setting an upper pipe sheet and a lower pipe sheet, on the one hand, a combustion air cavity can be formed by opening a first groove on the upper sheet and a second groove on the middle sheet, so that air and gas can be mixed. On the other hand, a fire hole channel can be enclosed between one end of the upper sheet and one end of the middle sheet, so that the mixture of air and gas can be further mixed, which is beneficial to improving the combustion efficiency. The upper pipe sheet and the lower pipe sheet are respectively integrally formed, which is beneficial to demolding, thereby improving production efficiency. The burner has the advantages of simple and compact structure.

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

[0006] A burner of a gas oven comprises a combustion pipeline, wherein the combustion pipeline comprises:

[0007] An upper pipe sheet is integrally formed, and includes an upper sheet, and a first groove is provided on the lower side of the upper sheet;

[0008] A middle pipe sheet is integrally formed, and includes a middle sheet arranged on the lower side of the upper sheet, a second groove corresponding to the first groove is arranged on the upper side of the middle sheet, the first groove is connected to the second groove to form a combustion air cavity, one end of the combustion air cavity is connected to the gas supply pipe outside the gas oven, a plurality of fire hole channels connected to the second end of the combustion air cavity are arranged between one end of the upper sheet and one end of the middle sheet, the fire hole channels are located on one side of the combustion air cavity close to the middle of the cooking cavity of the gas oven, and the flame outlet of the fire hole channel is opened toward the middle of the cooking cavity.

[0009] Optionally, the combustion pipe also includes a lower pipe sheet that is integrally formed, and the lower pipe sheet includes a lower sheet arranged on the lower side of the middle sheet, and a third groove is arranged on the upper side of the lower sheet, and the lower side wall of the second groove cooperates with the lower side wall of the third groove to form a flame-stabilizing air cavity, and a plurality of gas through holes connecting the combustion air cavity and the flame-stabilizing air cavity are opened on the middle sheet, and a flame-stabilizing groove is arranged between one end of the lower sheet and one end of the middle sheet, and the flame-stabilizing groove is located below the fire hole channel, and the flame-stabilizing groove is located on one side of the flame-stabilizing air cavity close to the middle of the cooking cavity of the gas oven and is connected to the flame-stabilizing air cavity, and the flame outlet of the flame-stabilizing groove is opened toward the middle of the cooking cavity.

[0010] Optionally, the upper sheet is riveted to the middle sheet, and the middle sheet is riveted to the lower sheet.

[0011] Optionally, the upper sheet includes an upper sheet body portion, an upper sheet connecting portion arranged on a side of the upper sheet body portion away from the middle of the cooking cavity, and an upper sheet fire hole channel portion arranged on a side of the upper sheet body portion close to the middle of the cooking cavity; the middle sheet includes a middle sheet body portion, a middle sheet connecting portion arranged on a side of the middle sheet body portion away from the middle of the cooking cavity, and a middle sheet fire hole channel portion arranged on a side of the middle sheet body portion close to the middle of the cooking cavity; the middle sheet fire hole channel portion is located at the lower side of the upper sheet fire hole channel portion and is enclosed with the upper sheet fire hole channel portion to form the fire hole channel; the upper sheet body portion is recessed upward to form the first groove; the middle sheet body portion is located at the lower side of the upper sheet body portion and is recessed downward to form the second groove; the middle sheet connecting portion is arranged at the lower side of the upper sheet connecting portion and is riveted to the upper sheet connecting portion.

[0012] Optionally, the lower sheet includes a lower sheet main body portion, a lower sheet connecting portion arranged on a side of the lower sheet main body portion away from the middle portion of the cooking cavity, and a lower sheet fire hole channel portion arranged on a side of the lower sheet main body portion close to the middle portion of the cooking cavity, the lower sheet fire hole channel portion is arranged on the lower side of the middle sheet fire hole channel portion and is enclosed with the middle sheet fire hole channel portion to form the flame stabilizing groove, the lower sheet main body portion is recessed downward to form the third groove, the lower sheet main body portion and the middle sheet main body portion are enclosed to form the flame stabilizing gas cavity, the gas through hole is opened on the middle sheet main body portion, and the lower sheet connecting portion is arranged on the lower side of the middle sheet connecting portion and is riveted to the middle sheet connecting portion.

[0013] Optionally, the gas through hole is arranged on a side of the middle sheet body portion close to the middle sheet fire hole channel portion.

[0014] Optionally, the upper pipe sheet also includes an upper air intake sheet, which is connected to the upper sheet, and the middle pipe sheet also includes a lower air intake sheet, which is located at the lower side of the upper air intake sheet and is enclosed with the upper air intake sheet to form an air intake channel, one end of the air intake channel is connected to the combustion air cavity, and the other end is connected to the air supply pipe.

[0015] Optionally, it also includes an ignition needle and a cover shell, the combustion pipe is arranged in the cover shell, and the cover shell is provided with a heat dissipation hole and an ignition needle through hole, the heat dissipation hole is located on the side of the fire hole channel facing the middle of the cooking cavity, the ignition needle extends into the cover shell through the ignition needle through the ignition needle through the hole, and the ignition nozzle of the ignition needle is located above the flame outlet of the fire hole channel.

[0016] Optionally, the cover shell includes a bottom shell and a cover shell, the bottom shell includes a bottom shell body, a accommodating cavity is provided in the bottom shell body, a mounting opening is provided on one side of the accommodating cavity close to the middle of the cooking cavity, an air inlet structure is provided on the side of the accommodating cavity, the combustion pipe extends into the accommodating cavity, the cover shell is covered at the mounting opening and is detachably connected to the bottom shell body, and the heat dissipation holes are provided on the cover shell.

[0017] Another aspect of the present invention provides a gas oven, comprising a cooking liner and the burner of the gas oven, wherein the cooking cavity is provided in the cooking liner, and the burner is arranged on the inner wall of the cooking cavity.

[0018] Optionally, two groups of burners are provided, and one group of burners is provided at the lower part of the left side wall and the lower part of the right side wall of the cooking cavity.

[0019] Compared with the prior art, the present invention has at least the following beneficial effects:

[0020] The burner of the gas oven provided by the present invention, by arranging an upper pipe sheet and a lower pipe sheet, can, on the one hand, form a combustion air cavity by opening a first groove on the upper sheet and a second groove on the middle sheet, so that air and gas can be mixed; on the other hand, a fire hole channel can be enclosed between one end of the upper sheet and one end of the middle sheet, so that the mixture of air and gas can be further mixed, which is beneficial to improving the combustion efficiency. The upper pipe sheet and the lower pipe sheet are respectively integrally formed and arranged, which is beneficial to demolding, thereby improving the production efficiency, and has the advantages of simple and compact structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of a burner of a gas oven provided in a specific embodiment of the present invention;

[0022] Figure 2It is a schematic diagram of the three-dimensional structure of the burner of the gas oven provided by a specific embodiment of the present invention after the cover shell is removed;

[0023] Figure 3 yes Figure 2 Exploded diagram of

[0024] Figure 4 yes Figure 1 A top view of

[0025] Figure 5 yes Figure 4 Sectional view at AA in the middle;

[0026] Figure 6 is a top view of a combustion pipeline of a burner of a gas oven provided by a specific embodiment of the present invention;

[0027] Figure 7 yes Figure 6 Sectional view at the middle BB;

[0028] Figure 8 yes Figure 6 Exploded diagram of

[0029] Fig. 9 is a structural schematic diagram of a gas oven provided by a specific embodiment of the present invention;

[0030] Fig.10 yes Fig. 9 The main view;

[0031] Fig.11 yes Fig.10 Cross-sectional view at CC.

[0032] In the figure:

[0033] 1. Combustion pipeline; 11. Upper pipeline sheet; 111. Upper sheet; 1111. Upper sheet body; 1112. Upper sheet fire hole channel; 1113. Upper sheet connection; 112. Upper air intake sheet; 12. Middle pipeline sheet; 121. Middle sheet; 1211. Middle sheet body; 12110. Gas through hole; 1212. Middle sheet fire hole channel; 1213. Middle sheet connection; 122. Lower air intake sheet; 13. Lower pipeline sheet; 131. Lower sheet; 1311. Lower sheet body; 1312. Lower sheet fire hole channel; 1313. Lower sheet connection; 132. Strengthening sheet;

[0034] 2. bottom shell; 21. bottom shell body; 22. accommodating cavity; 231. second air inlet hole; 232. first air inlet hole;

[0035] 3. Ignition needle;

[0036] 4. Cover shell; 41. Heat dissipation hole;

[0037] 5. Cooking liner; 50. Cooking cavity;

[0038] 100, combustion air cavity; 101, first groove; 102, second groove; 103, third groove; 200, flame stabilizing air cavity; 301, fire hole channel; 302, flame stabilizing groove; 400, air inlet channel. DETAILED DESCRIPTION

[0039] The following examples illustrate the present invention, but the present invention is not limited to these examples. Modifications to the specific embodiments 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 by the present invention.

[0040] Please refer to Figure 1-Figure 11 The present invention provides a burner for a gas oven, comprising a combustion pipe 1, wherein the combustion pipe 1 comprises an upper pipe sheet 11 and a middle pipe sheet 12. The upper pipe sheet 11 is integrally formed, and comprises an upper sheet 111, and a first groove 101 is arranged at the lower side of the upper sheet 111. The middle pipe sheet 12 is integrally formed, and the middle pipe sheet 12 includes a middle sheet 121 arranged on the lower side of the upper sheet 111, and a second groove 102 corresponding to the first groove 101 is arranged on the upper side of the middle sheet 121. The first groove 101 is connected to the second groove 102 to form a combustion air cavity 100, and one end of the combustion air cavity 100 is connected to the gas supply pipe outside the gas oven. A plurality of fire hole channels 301 connected to the second end of the combustion air cavity 100 are arranged between one end of the upper sheet 111 and one end of the middle sheet 121. The fire hole channels 301 are located on one side of the combustion air cavity 100 close to the middle of the cooking cavity 50 of the gas oven, and the flame port of the fire hole channel 301 is opened toward the middle of the cooking cavity 50.

[0041] The burner of the gas oven provided by the present invention, by setting the upper pipe sheet 11 and the lower pipe sheet 13, on the one hand, can form a combustion air cavity 100 by opening a first groove 101 on the upper sheet 111 and a second groove 102 on the middle sheet 121, so that air and gas can be mixed; on the other hand, a fire hole channel 301 can be enclosed between one end of the upper sheet 111 and one end of the middle sheet 121, so that the mixture of air and gas can be further mixed, which is beneficial to improving the combustion efficiency. The upper pipe sheet 11 and the lower pipe sheet 13 are respectively integrally formed, which is beneficial to demolding, thereby improving production efficiency, and has the advantages of simple and compact structure.

[0042] Optionally, the combustion pipe 1 also includes a lower pipe sheet 13 that is integrally formed, and the lower pipe sheet 13 includes a lower sheet 131 that is arranged on the lower side of the middle sheet 121. A third groove 103 is arranged on the upper side of the lower sheet 131, and the lower side wall of the second groove 102 cooperates with the lower side wall of the third groove 103 to form a flame-stabilizing air cavity 200. A plurality of gas holes 12110 that connect the combustion air cavity 100 and the flame-stabilizing air cavity 200 are opened on the middle sheet 121. A flame-stabilizing groove 302 is arranged between one end of the lower sheet 131 and one end of the middle sheet 121, and the flame-stabilizing groove 302 is located below the fire hole channel 301. The flame-stabilizing groove 302 is located on one side of the flame-stabilizing air cavity 200 close to the middle of the cooking cavity 50 of the gas oven and is connected to the flame-stabilizing air cavity 200, and the flame outlet of the flame-stabilizing groove 302 is opened toward the middle of the cooking cavity 50. The integrally formed lower pipe sheet 13 is conducive to demoulding, thereby improving production efficiency. The flame stabilizing air cavity 200 and the flame stabilizing groove 302 are formed by the cooperation of the lower sheet 131 and the middle sheet 121, and then a flame is also formed at the blast port of the flame stabilizing groove 302, so as to form a flame stabilizing effect with the flame at the blast port of the fire hole channel 301. The structure is simple and compact.

[0043] Optionally, the upper sheet 111 and the middle sheet 121 are riveted together, and the middle sheet 121 and the lower sheet 131 are riveted together, which has a simple structure and good stability.

[0044] Optionally, the upper sheet 111 includes an upper sheet body portion 1111, an upper sheet connecting portion 1113 disposed on a side of the upper sheet body portion 1111 away from the middle of the cooking cavity 50, and an upper sheet fire hole channel portion 1112 disposed on a side of the upper sheet body portion 1111 close to the middle of the cooking cavity 50, and the middle sheet 121 includes a middle sheet body portion 1211, a middle sheet connecting portion 1213 disposed on a side of the middle sheet body portion 1211 away from the middle of the cooking cavity 50, and a middle sheet fire hole channel portion 1112 disposed on a side of the middle sheet body portion 1211 close to the middle of the cooking cavity 50. The fire hole channel portion 1212, the middle sheet fire hole channel portion 1212 is located at the lower side of the upper sheet fire hole channel portion 1112 and is enclosed with the upper sheet fire hole channel portion 1112 to form a fire hole channel 301, the upper sheet body portion 1111 is recessed upward to form a first groove 101, the middle sheet body portion 1211 is located at the lower side of the upper sheet body portion 1111 and is recessed downward to form a second groove 102, the middle sheet connecting portion 1213 is arranged at the lower side of the upper sheet connecting portion 1113 and is riveted to the upper sheet connecting portion 1113, thereby realizing the riveting between the upper sheet 111 and the middle sheet 121.

[0045] Optionally, the lower sheet 131 includes a lower sheet body portion 1311, a lower sheet connection portion 1313 disposed on a side of the lower sheet body portion 1311 away from the middle of the cooking cavity 50, and a lower sheet fire hole channel portion 1312 disposed on a side of the lower sheet body portion 1311 close to the middle of the cooking cavity 50, the lower sheet fire hole channel portion 1312 being disposed on the lower side of the middle sheet fire hole channel portion 1212 and enclosed between the middle sheet fire hole channel portion 1212 to form a The flame-stabilizing groove 302, the lower sheet body 1311 is recessed downward to form a third groove 103, the lower sheet body 1311 and the middle sheet body 1211 enclose a flame-stabilizing air cavity 200, the gas through hole 12110 is opened on the middle sheet body 1211, the lower sheet connection part 1313 is arranged on the lower side of the middle sheet connection part 1213 and is riveted to the middle sheet connection part 1213, thereby realizing the riveting between the middle sheet 121 and the lower sheet 131.

[0046] Optionally, the gas through hole 12110 is arranged on a side of the middle sheet body portion 1211 close to the middle sheet fire hole channel portion 1212 .

[0047] Optionally, the upper pipe sheet 11 also includes an upper air intake sheet 112, which is connected to the upper sheet 111, and the middle pipe sheet 12 also includes a lower air intake sheet 122, which is located at the lower side of the upper air intake sheet 112 and is enclosed with the upper air intake sheet 112 to form an air intake channel 400, one end of the air intake channel 400 is connected to the combustion air chamber 100, and the other end is connected to the air supply pipe.

[0048] Furthermore, the upper air intake sheet 112 and the lower air intake sheet 122 are riveted together.

[0049] Specifically, an upper air intake groove is formed on the lower side of the upper air intake sheet 112, and a lower air intake groove is formed on the upper side of the lower air intake sheet 122. The upper air intake groove and the lower air intake groove cooperate to form an air intake channel 400.

[0050] Optionally, the lower pipe sheet 13 also includes a reinforcing sheet 132, which is riveted to the lower sheet 131 and is located on the lower side of the lower air intake sheet 122. An avoidance groove is opened on the upper side of the reinforcing sheet 132, and the lower side wall of the lower air intake groove is located in the avoidance groove, thereby strengthening the upper air intake sheet 112 and the lower air intake sheet 122 and improving the strength of the combustion pipe 1.

[0051] Optionally, it further includes an ignition needle 3 and a cover 4, the combustion pipe 1 is arranged in the cover 4, the cover 4 is provided with a heat dissipation hole 41 and an ignition needle 3 through hole, the heat dissipation hole 41 is located on the side of the fire hole channel 301 facing the middle of the cooking cavity 50, the ignition needle 3 extends into the cover 4 through the ignition needle 3 through the through hole, and the ignition nozzle of the ignition needle 3 is located above the flame-spraying port of the fire hole channel 301, thereby igniting the burner. By providing the cover 4 and providing the heat dissipation hole 41 on the cover 4, the ignition needle 3 and the combustion pipe 1 can be installed in the cover 4, and on the other hand, it can prevent the flame of the combustion pipe 1 from being directly exposed to the cooking cavity 50, which plays a safety role.

[0052] Specifically, the ignition nozzle of the ignition needle 3 ignites the flame outlet of the fire hole channel 301 , and the flame at the ignition channel burns and then transfers to the flame outlet of the flame stabilizing groove 302 , thereby igniting the flame at the flame stabilizing groove 302 .

[0053] Optionally, the cover shell 4 includes a bottom shell 2 and a cover shell 4, the bottom shell 2 includes a bottom shell body 21, a receiving cavity 22 is provided in the bottom shell body 21, a mounting opening is provided on one side of the receiving cavity 22 near the middle of the cooking cavity 50, an air inlet structure is provided on the side of the receiving cavity 22 to facilitate the entry of secondary air, the combustion pipeline 1 extends into the receiving cavity 22, the cover shell 4 is covered at the mounting opening and is detachably connected to the bottom shell body 21, and the heat dissipation holes 41 are provided on the cover shell 4. By dividing the cover shell 4 into the bottom shell 2 and the cover shell 4, production and installation are facilitated.

[0054] Optionally, the air intake structure includes a plurality of first air intake holes 232 and a plurality of second air intake holes 231, the first air intake holes 232 are arranged on the lower side of the bottom shell body 21, and the second air intake holes 231 are arranged on the side of the bottom shell body 21 opposite to the mounting opening to ensure that sufficient secondary air enters the accommodating cavity 22 to improve combustion efficiency.

[0055] Another aspect of the present invention provides a gas oven, comprising a cooking liner 5 and a burner of the gas oven. A cooking cavity 50 is defined in the cooking liner 5 , and the burner is disposed on the inner wall of the cooking cavity 50 .

[0056] Optionally, two groups of burners are provided, with one group of burners each provided at the lower portion of the left side wall and the lower portion of the right side wall of the cooking cavity 50, so as to achieve uniform heating of the cooking cavity 50 and improve heating efficiency.

[0057] 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 creative concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A burner for a gas oven, characterized in that: It comprises a combustion pipeline (1), wherein the combustion pipeline (1) comprises: An upper pipe sheet (11) is integrally formed, the upper pipe sheet (11) comprising an upper sheet (111), and a first groove (101) is provided on the lower side of the upper sheet (111); A middle pipe sheet (12) is integrally formed, and includes a middle sheet (121) arranged at the lower side of the upper sheet (111); a second groove (102) corresponding to the first groove (101) is arranged on the upper side of the middle sheet (121); the first groove (101) and the second groove (102) are connected to form a combustion air cavity (100); one end of the combustion air cavity (100) is connected to the gas supply pipeline outside the gas oven; a plurality of fire hole channels (301) connected to the second end of the combustion air cavity (100) are arranged between one end of the upper sheet (111) and one end of the middle sheet (121); the fire hole channels (301) are located on one side of the combustion air cavity (100) close to the middle of the cooking cavity (50) of the gas oven; and the fire port of the fire hole channel (31) is opened toward the middle of the cooking cavity (50).

2. The burner of the gas oven according to claim 1, characterized in that: The combustion pipeline (1) further comprises an integrally formed lower pipeline sheet (13), the lower pipeline sheet (13) comprising a lower sheet (131) arranged at the lower side of the middle sheet (121), a third groove (103) being arranged at the upper side of the lower sheet (131), a lower side wall of the second groove (102) and a lower side wall of the third groove (103) being cooperated to form a flame stabilizing air cavity (200), a plurality of connecting openings (200) and connecting the combustion air cavity (100) and the flame stabilizing air cavity (200) being provided on the middle sheet (121). 00), a flame stabilizing groove (302) is arranged between one end of the lower sheet (131) and one end of the middle sheet (121), the flame stabilizing groove (302) is located below the fire hole channel (301), the flame stabilizing groove (302) is located on one side of the flame stabilizing gas cavity (200) close to the middle of the cooking cavity (50) of the gas oven and is connected to the flame stabilizing gas cavity (200), and the flame outlet of the flame stabilizing groove (303) is opened toward the middle of the cooking cavity (50).

3. The burner of the gas oven according to claim 2, characterized in that: The upper sheet (111) is riveted to the middle sheet (121), and the middle sheet (121) is riveted to the lower sheet (131).

4. The burner of the gas oven according to claim 3, characterized in that: The upper sheet (111) comprises an upper sheet body portion (1111), an upper sheet connection portion (1113) arranged on a side of the upper sheet body portion (1111) away from the middle of the cooking cavity (50), and an upper sheet fire hole channel portion (1112) arranged on a side of the upper sheet body portion (1111) close to the middle of the cooking cavity (50); the middle sheet (121) comprises a middle sheet body portion (1211), a middle sheet connection portion (1213) arranged on a side of the middle sheet body portion (1211) away from the middle of the cooking cavity (50), and an upper sheet fire hole channel portion (1112) arranged on a side of the upper sheet body portion (1111) close to the cooking cavity (50). A middle sheet fire hole channel portion (1212) is provided on one side of the middle portion, wherein the middle sheet fire hole channel portion (1212) is located at the lower side of the upper sheet fire hole channel portion (1112) and is enclosed with the upper sheet fire hole channel portion (1112) to form the fire hole channel (301); the upper sheet body portion (1111) is recessed upward to form the first groove (101); the middle sheet body portion (1211) is located at the lower side of the upper sheet body portion (1111) and is recessed downward to form the second groove (102); the middle sheet connection portion (1213) is provided at the lower side of the upper sheet connection portion (1113) and is riveted to the upper sheet connection portion (1113).

5. The burner of the gas oven according to claim 4, characterized in that: The lower sheet (131) comprises a lower sheet body portion (1311), a lower sheet connection portion (1313) arranged on a side of the lower sheet body portion (1311) away from the middle portion of the cooking cavity (50), and a lower sheet fire hole channel portion (1312) arranged on a side of the lower sheet body portion (1311) close to the middle portion of the cooking cavity (50), wherein the lower sheet fire hole channel portion (1312) is arranged on the lower side of the middle sheet fire hole channel portion (1212) and is connected to the middle sheet fire hole channel portion (1212). ) are enclosed between the two sheets to form the flame-stabilizing groove (302), the lower sheet body (1311) is recessed downward to form the third groove (103), the lower sheet body (1311) and the middle sheet body (1211) are enclosed between the flame-stabilizing gas cavity (200), the gas through hole (12110) is opened on the middle sheet body (1211), and the lower sheet connecting portion (1313) is arranged on the lower side of the middle sheet connecting portion (1213) and is riveted to the middle sheet connecting portion (1213).

6. The burner of the gas oven according to claim 5, characterized in that: The gas through hole (12110) is arranged on a side of the middle sheet body portion (1211) close to the middle sheet fire hole channel portion (1312).

7. The burner of the gas oven according to any one of claims 1 to 6, characterized in that: The upper pipe sheet (11) further comprises an upper air intake sheet (112), wherein the upper air intake sheet (112) is connected to the upper sheet (111); the middle pipe sheet (12) further comprises a lower air intake sheet (122), wherein the lower air intake sheet (122) is located at the lower side of the upper air intake sheet (112) and is enclosed with the upper air intake sheet (112) to form an air intake channel (400); one end of the air intake channel (400) is connected to the combustion air chamber (100), and the other end is connected to the air supply pipe.

8. The burner of the gas oven according to any one of claims 1 to 6, characterized in that: It also includes an ignition needle (3) and a cover shell, wherein the combustion pipe (1) is arranged in the cover shell, and the cover shell is provided with a heat dissipation hole (41) and an ignition needle through hole (25), wherein the heat dissipation hole (41) is located on the side of the middle part of the fire hole channel (301) facing the cooking cavity (50), and the ignition needle (3) extends into the cover shell through the ignition needle through hole (25), and the ignition nozzle of the ignition needle (3) is located above the flame-spraying port of the fire hole channel (301).

9. The burner of the gas oven according to claim 8, characterized in that: The cover shell comprises a bottom shell (2) and a cover shell (4); the bottom shell (21) comprises a bottom shell body (21); a receiving cavity (22) is arranged in the bottom shell body (21); a mounting opening (24) is arranged on one side of the receiving cavity (22) close to the middle of the cooking cavity (50); an air inlet structure is arranged on the side of the receiving cavity (22); the combustion pipe (1) extends into the receiving cavity (22); the cover shell (4) is covered at the mounting opening (24) and is detachably connected to the bottom shell body (21); and the heat dissipation hole (41) is arranged on the cover shell (4).

10. A gas oven, characterized in that: It comprises a cooking liner (5) and the burner of the gas oven according to any one of claims 1 to 9, wherein the cooking liner (5) is provided with the cooking cavity (50), and the burner is arranged on the inner wall of the cooking cavity (50).

11. The gas oven according to claim 10, characterized in that: The burners are arranged in two groups, and one group of the burners is arranged at the lower part of the left side wall and the lower part of the right side wall of the cooking cavity (50).

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