Combustor of gas oven and gas oven

Abstract

The utility model 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 utility model relates to kitchen electrical technology field especially, relates to a combustor and gas oven of gas oven. BACKGROUND

[0002] The existing gas oven's combustion pipe is generally integrally formed and set, and a fire hole is directly formed on the combustion pipe for combustion, and the mixing of gas and air can only be mixed in the combustion pipe, and the mixing effect is poor, which leads to low combustion efficiency and is difficult to meet the user's requirements.

[0003] Therefore, a combustor of a gas oven is needed to solve the above problems. SUMMARY

[0004] The utility model discloses at least one of the problems in the prior art is solved to some extent, and therefore, the utility model provides a combustor of a gas oven, which is integrally formed with an upper pipe sheet and a lower pipe sheet, a first groove is formed on the upper sheet, a second groove is formed on the middle sheet, a combustion gas cavity is formed, air and gas can be mixed, a fire hole channel is formed between one end of the upper sheet and one end of the middle sheet, the mixture of air and gas can be further mixed, the combustion efficiency is improved, the upper pipe sheet and the lower pipe sheet are integrally formed, the production efficiency is improved, and the structure is simple and compact.

[0005] The above-mentioned purpose is achieved by the following technical solutions:

[0006] A combustor of a gas oven includes a combustion pipe, which includes:

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

[0008] A middle pipe sheet is integrally formed, which includes a middle sheet arranged on the lower side of the upper sheet, a second groove corresponding to the first groove is formed on the upper side of the middle sheet, the first groove and the second groove are communicated to form a combustion gas cavity, one end of the combustion gas cavity is communicated with a gas supply pipe outside the gas oven, a plurality of fire hole channels communicated with the second end of the combustion gas 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 middle part of the combustion gas cavity close to the cooking cavity of the gas oven, and the fire hole channels are opened towards the middle part of the cooking cavity.

[0009] Optionally, the combustion pipe further comprises a lower pipe sheet integrally arranged, the lower pipe sheet comprises a lower sheet arranged on the lower side of the middle sheet, the upper side of the lower sheet is provided with a third groove, the lower side wall of the second groove and the lower side wall of the third groove cooperate to form a flame stabilizing cavity, a plurality of gas through holes are formed on the middle sheet and communicate with the combustion cavity and the flame stabilizing cavity, a flame stabilizing groove is arranged between one end of the lower sheet and one end of the middle sheet, the flame stabilizing groove is located below the fire hole passage, the flame stabilizing groove is located on one side of the middle part of the flame stabilizing cavity close to the cooking cavity of the gas oven and communicates with the flame stabilizing cavity, and the flame outlet of the flame stabilizing groove is arranged towards the middle part of the cooking cavity.

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

[0011] Optionally, the upper sheet comprises an upper sheet body part, an upper sheet connecting part arranged on one side of the upper sheet body part away from the middle part of the cooking cavity, and an upper sheet fire hole passage part arranged on one side of the upper sheet body part close to the middle part of the cooking cavity, the middle sheet comprises a middle sheet body part, a middle sheet connecting part arranged on one side of the middle sheet body part away from the middle part of the cooking cavity, and a middle sheet fire hole passage part arranged on one side of the middle sheet body part close to the middle part of the cooking cavity, the middle sheet fire hole passage part is located below the upper sheet fire hole passage part and forms the fire hole passage together with the upper sheet fire hole passage part, the upper sheet body part is concave upwards to form the first groove, the middle sheet body part is located below the upper sheet body part and is concave downwards to form the second groove, and the middle sheet connecting part is arranged below the upper sheet connecting part and is riveted with the upper sheet connecting part.

[0012] Optionally, the lower sheet comprises a lower sheet body part, a lower sheet connecting part arranged on one side of the lower sheet body part away from the middle part of the cooking cavity, and a lower sheet fire hole passage part arranged on one side of the lower sheet body part close to the middle part of the cooking cavity, the lower sheet fire hole passage part is arranged below the middle sheet fire hole passage part and forms the flame stabilizing groove together with the middle sheet fire hole passage part, the lower sheet body part is concave downwards to form the third groove, the lower sheet body part and the middle sheet body part form the flame stabilizing cavity, the gas through holes are formed on the middle sheet body part, and the lower sheet connecting part is arranged below the middle sheet connecting part and is riveted with the middle sheet connecting part.

[0013] Optionally, the gas through holes are arranged on one side of the middle sheet body part close to the middle sheet fire hole passage part.

[0014] Optionally, the upper duct sheet further comprises an upper air inlet sheet connected with the upper sheet, the middle duct sheet further comprises a lower air inlet sheet located at the lower side of the upper air inlet sheet and forming an air inlet channel with the upper air inlet sheet, one end of the air inlet channel is communicated with the combustion gas cavity, and the other end is communicated with the gas supply duct.

[0015] Optionally, the igniter needle and a cover are further included, the combustion duct is arranged in the cover, the cover is provided with a heat dissipation hole and an igniter needle through hole, the heat dissipation hole is located at one side of the middle part of the fire hole channel facing the cooking cavity, and the igniter needle extends into the cover through the igniter needle through hole, and the igniter needle nozzle is located above the fire spout of the fire hole channel.

[0016] Optionally, the cover comprises a bottom shell and a cover shell, the bottom shell comprises a bottom shell body, the bottom shell body is provided with a containing cavity, the containing cavity is provided with a mounting opening at one side close to the middle part of the cooking cavity, the containing cavity is provided with an air inlet structure at the side, the combustion duct extends into the containing cavity, the cover shell covers the mounting opening and is detachably connected with the bottom shell body, and the heat dissipation hole is arranged on the cover shell.

[0017] The utility model discloses a gas oven on the other side provides a gas oven, including cooking liner and the burner of above-mentioned gas oven, the cooking liner is provided with the cooking cavity, and the burner sets up on the inner wall of the cooking cavity.

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

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

[0020] The burner of the gas oven provided by the utility model is provided with the upper duct sheet and the lower duct sheet, on the one hand, the first groove is formed on the upper sheet, the second groove is formed on the middle sheet, and the combustion gas cavity is formed, so that the air and the gas can be mixed, on the other hand, the fire hole channel is formed between the one end of the upper sheet and the one end of the middle sheet, so that the mixture of the air and the gas can be further mixed, the combustion efficiency is improved, the upper duct sheet and the lower duct sheet are integrally formed, the demolding is facilitated, the production efficiency is improved, and the structure is simple and compact. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the three-dimensional structure schematic view of the burner of the gas oven provided by the utility model embodiment;

[0022] Figure 2 is a three-dimensional structure schematic diagram of the gas oven after the combustor cover shell is removed according to the embodiment of the present application;

[0023] Figure 3 is Figure 2 an exploded view;

[0024] Figure 4 is Figure 1 a top view;

[0025] Figure 5 is Figure 4 a sectional view at A-A in

[0026] Figure 6 is a top view of the combustion pipeline of the combustor of the gas oven according to the embodiment of the present application;

[0027] Figure 7 is Figure 6 a sectional view at B-B in

[0028] Figure 8 is Figure 6 an exploded view;

[0029] Figure 9 is a structure schematic diagram of the gas oven according to the embodiment of the present application;

[0030] Figure 10 is Figure 9 a front view;

[0031] Figure 11 is Figure 10 a sectional view at C-C in

[0032] In the figure:

[0033] 1, combustion pipeline; 11, upper pipeline sheet; 111, upper sheet; 1111, upper sheet body part; 1112, upper sheet fire hole passage part; 1113, upper sheet connecting part; 112, upper air inlet sheet; 12, middle pipeline sheet; 121, middle sheet; 1211, middle sheet body part; 12110, gas through hole; 1212, middle sheet fire hole passage part; 1213, middle sheet connecting part; 122, lower air inlet sheet; 13, lower pipeline sheet; 131, lower sheet; 1311, lower sheet body part; 1312, lower sheet fire hole passage part; 1313, lower sheet connecting part; 132, reinforcing 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 gas cavity; 101, first groove; 102, second groove; 103, third groove; 200, flame stabilizing gas cavity; 301, fire hole passage; 302, flame stabilizing groove; 400, air inlet passage. DETAILED DESCRIPTION

[0039] The following examples are used to illustrate the present application, but the present application is not limited by these examples. Modifications to the specific embodiments of the present application or equivalent replacements to some technical features are made without departing from the spirit of the present application, which should be covered in the technical solution range claimed by the present application.

[0040] Please refer to Figures 1-11 The present application provides a gas oven burner, comprising a combustion pipeline 1, the combustion pipeline 1 comprises an upper pipeline sheet 11 and a middle pipeline sheet 12. The upper pipeline sheet 11 is integrally formed, and the upper pipeline sheet 11 comprises an upper sheet 111, and the lower side of the upper sheet 111 is provided with a first groove 101. The middle pipeline sheet 12 is integrally formed, and the middle pipeline sheet 12 comprises a middle sheet 121 arranged on the lower side of the upper sheet 111, and the upper side of the middle sheet 121 is provided with a second groove 102 corresponding to the first groove 101, and the first groove 101 and the second groove 102 are communicated to form a combustion gas cavity 100, one end of the combustion gas cavity 100 is communicated with a gas supply pipeline outside the gas oven, and a plurality of fire hole passages 301 communicated with the second end of the combustion gas cavity 100 are arranged between the end portion of the upper sheet 111 and the end portion of the middle sheet 121, the fire hole passage 301 is located on one side of the middle part of the combustion gas cavity 100 close to the cooking cavity 50 of the gas oven, and the fire hole opening of the fire hole passage 301 is arranged towards the middle part of the cooking cavity 50.

[0041] The gas oven burner provided by the present application is provided with the upper pipeline sheet 11 and the lower pipeline sheet 13, on the one hand, the first groove 101 is arranged on the upper sheet 111, and the second groove 102 is arranged on the middle sheet 121, so as to form the combustion gas cavity 100, so that the air and the gas can be mixed, on the other hand, the fire hole passage 301 is formed between the end portion of the upper sheet 111 and the end portion of the middle sheet 121, so that the mixture of the air and the gas can be further mixed, which is beneficial to improve the combustion efficiency, and the upper pipeline sheet 11 and the lower pipeline sheet 13 are integrally formed respectively, which is beneficial to demolding, and further improves the production efficiency, and has the advantages of simple and compact structure.

[0042] Optionally, the combustion pipe 1 further comprises a lower pipe sheet 13 integrally arranged, the lower pipe sheet 13 comprises a lower sheet 131 arranged on the lower side of the middle sheet 121, the upper side of the lower sheet 131 is provided with a third groove 103, the lower side wall of the second groove 102 and the lower side wall of the third groove 103 cooperate to form a flame stabilizing cavity 200, a plurality of gas through holes 12110 are formed in the middle sheet 121 and communicate the combustion cavity 100 and the flame stabilizing cavity 200, 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 passage 301, the flame stabilizing groove 302 is located on one side of the middle part of the flame stabilizing cavity 200 close to the cooking cavity 50 of the gas oven and communicates with the flame stabilizing cavity 200, and the fire outlet of the flame stabilizing groove 302 is arranged towards the middle part of the cooking cavity 50. The integrally formed lower pipe sheet 13 is beneficial to demolding, thereby improving production efficiency, the flame stabilizing cavity 200 and the flame stabilizing groove 302 are formed by cooperation of the lower sheet 131 and the middle sheet 121, thereby forming a flame at the fire outlet of the flame stabilizing groove 302 to form a mutual flame stabilizing effect with the flame at the fire outlet of the fire hole passage 301, and the structure is simple and compact.

[0043] Optionally, the upper sheet 111 is riveted with the middle sheet 121, and the middle sheet 121 is riveted with the lower sheet 131, so that the structure is simple and the stability is good.

[0044] Optionally, the upper sheet 111 comprises an upper sheet body part 1111, an upper sheet connecting part 1113 arranged on one side of the upper sheet body part 1111 away from the middle part of the cooking cavity 50, and an upper sheet fire hole passage part 1112 arranged on one side of the upper sheet body part 1111 close to the middle part of the cooking cavity 50, the middle sheet 121 comprises a middle sheet body part 1211, a middle sheet connecting part 1213 arranged on one side of the middle sheet body part 1211 away from the middle part of the cooking cavity 50, and a middle sheet fire hole passage part 1212 arranged on one side of the middle sheet body part 1211 close to the middle part of the cooking cavity 50, the middle sheet fire hole passage part 1212 is located below the upper sheet fire hole passage part 1112 and forms the fire hole passage 301 together with the upper sheet fire hole passage part 1112, the upper sheet body part 1111 is concave upwards to form the first groove 101, the middle sheet body part 1211 is located below the upper sheet body part 1111 and is concave downwards to form the second groove 102, and the middle sheet connecting part 1213 is arranged below the upper sheet connecting part 1113 and is riveted with the upper sheet connecting part 1113, so as to realize riveting between the upper sheet 111 and the middle sheet 121.

[0045] Optionally, the lower sheet 131 comprises a lower sheet body portion 1311, a lower sheet connecting portion 1313 arranged on the side of the lower sheet body portion 1311 away from the middle portion of the cooking cavity 50, and a lower sheet fire hole passage portion 1312 arranged on the side of the lower sheet body portion 1311 close to the middle portion of the cooking cavity 50, the lower sheet fire hole passage portion 1312 is arranged on the lower side of the middle sheet fire hole passage portion 1212 and forms the flame stabilizing groove 302 together with the middle sheet fire hole passage portion 1212, the lower sheet body portion 1311 is concave downward to form the third recess 103, the lower sheet body portion 1311 and the middle sheet body portion 1211 form the flame stabilizing cavity 200 together, the gas through hole 12110 is arranged on the middle sheet body portion 1211, and the lower sheet connecting portion 1313 is arranged on the lower side of the middle sheet connecting portion 1213 and is riveted with the middle sheet connecting portion 1213, so as to realize riveting between the middle sheet 121 and the lower sheet 131.

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

[0047] Optionally, the upper duct sheet 11 further comprises an upper air inlet sheet 112, the upper air inlet sheet 112 is connected with the upper sheet 111, the middle duct sheet 12 further comprises a lower air inlet sheet 122, the lower air inlet sheet 122 is arranged on the lower side of the upper air inlet sheet 112 and forms the air inlet passage 400 together with the upper air inlet sheet 112, one end of the air inlet passage 400 is communicated with the combustion gas cavity 100, and the other end is communicated with the gas supply duct.

[0048] Further, the upper air inlet sheet 112 is riveted with the lower air inlet sheet 122.

[0049] Specifically, the lower side of the upper air inlet sheet 112 is provided with an upper air inlet recess, the upper side of the lower air inlet sheet 122 is provided with a lower air inlet recess, and the upper air inlet recess and the lower air inlet recess cooperate to form the air inlet passage 400.

[0050] Optionally, the lower duct sheet 13 further comprises a reinforcing sheet 132, the reinforcing sheet 132 is riveted with the lower sheet 131 and is arranged on the lower side of the lower air inlet sheet 122, the upper side of the reinforcing sheet 132 is provided with a recess, and the lower side wall of the lower air inlet recess is arranged in the recess, so as to reinforce the upper air inlet sheet 112 and the lower air inlet sheet 122 and improve the strength of the combustion duct 1.

[0051] Optionally, the igniter needle 3 and the cover shell 4 are further included, the combustion pipe 1 is arranged in the cover shell 4, the cover shell 4 is provided with the heat dissipation hole 41 and the igniter needle 3 through hole, 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, the igniter needle 3 extends into the cover shell 4 through the igniter needle 3 through hole, and the ignition nozzle of the igniter needle 3 is located above the fire spout of the fire hole channel 301, so that the ignition of the burner is realized. By arranging the cover shell 4 and the heat dissipation hole 41 on the cover shell 4, the igniter needle 3 and the combustion pipe 1 can be arranged in the cover shell 4, and on the other hand, the flame of the combustion pipe 1 can be prevented from being directly exposed to the cooking cavity 50, thereby playing a safety role.

[0052] Specifically, the ignition nozzle of the igniter needle 3 ignites the fire spout of the fire hole channel 301, and the flame at the ignition channel is transmitted to the fire spout of the flame stabilizing groove 302, and then ignites the flame at the flame stabilizing groove 302.

[0053] Optionally, the cover shell 4 comprises a bottom shell 2 and a cover shell, the bottom shell 2 comprises a bottom shell body 21, the bottom shell body 21 is provided with a containing cavity 22, the containing cavity 22 is provided with a mounting opening on the side of the middle part of the cooking cavity 50, the side of the containing cavity 22 is provided with an air inlet structure for facilitating the entry of secondary air, the combustion pipe 1 extends into the containing cavity 22, the cover shell is arranged at the mounting opening and detachably connected with the bottom shell body 21, and the heat dissipation hole 41 is arranged on the cover shell. The cover shell 4 is divided into the bottom shell 2 and the cover shell, so that production and installation are facilitated.

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

[0055] The utility model discloses a gas oven, which comprises a cooking liner 5 and the burner of the above-mentioned gas oven, and the cooking liner 5 is provided with a cooking cavity 50.

[0056] Optionally, the burner is provided with two groups, and one group of burners is arranged on the lower part of the left side wall and the lower part of the right side wall of the cooking cavity 50, so as to realize uniform heating of the cooking cavity 50 and improve the heating efficiency.

[0057] The above-mentioned only some embodiments of the utility model. For the ordinary skilled person in the art, under the premise of not departing from the utility model creation concept, can make a number of deformation and improvement, these all belong to the protection scope of the utility model.

Claims

1. Burner for a gas oven, characterized in that, The combustion pipe (1) comprises: An upper pipe sheet (11) integrally provided, the upper pipe sheet (11) comprises an upper sheet (111), the lower side of the upper sheet (111) is provided with a first groove (101); A middle pipe sheet (12) integrally provided, the middle pipe sheet (12) comprises a middle sheet (121) provided on the lower side of the upper sheet (111), the upper side of the middle sheet (121) is provided with a second groove (102) corresponding to the first groove (101), the first groove (101) and the second groove (102) communicate to form a combustion gas cavity (100), one end of the combustion gas cavity (100) communicates with a gas supply pipe outside the gas oven, a plurality of fire hole passages (301) communicating with the second end of the combustion gas cavity (100) are arranged between one end of the upper sheet (111) and one end of the middle sheet (121), the fire hole passage (301) is located on one side of the middle part of the combustion gas cavity (100) close to the cooking cavity (50) of the gas oven, and a fire outlet of the fire hole passage (301) is arranged towards the middle part of the cooking cavity (50).

2. Burner for gas ovens according to claim 1, characterized in that, The combustion pipe (1) further comprises a lower pipe sheet (13) integrally provided, the lower pipe sheet (13) comprises a lower sheet (131) provided on the lower side of the middle sheet (121), the upper side of the lower sheet (131) is provided with a third groove (103), the lower side wall of the second groove (102) and the lower side wall of the third groove (103) cooperate to form a flame stabilizing cavity (200), a plurality of gas through holes (12110) communicating the combustion gas cavity (100) and the flame stabilizing cavity (200) are arranged 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), the flame stabilizing groove (302) is located below the fire hole passage (301), the flame stabilizing groove (302) is located on one side of the middle part of the flame stabilizing cavity (200) close to the cooking cavity (50) of the gas oven and communicates with the flame stabilizing cavity (200), and a fire outlet of the flame stabilizing groove (302) is arranged towards the middle part of the cooking cavity (50).

3. Burner for gas ovens according to claim 2, characterized in that, The upper sheet (111) and the middle sheet (121) are riveted, and the middle sheet (121) and the lower sheet (131) are riveted.

4. The burner of a gas oven according to claim 3, characterized in that, The upper sheet (111) comprises 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 portion of the cooking cavity (50), and an upper sheet fire hole passage portion (1112) disposed on a side of the upper sheet body portion (1111) close to the middle portion of the cooking cavity (50), the middle sheet (121) comprises 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 portion of the cooking cavity (50), and a middle sheet fire hole passage portion (1212) disposed on a side of the middle sheet body portion (1211) close to the middle portion of the cooking cavity (50), the middle sheet fire hole passage portion (1212) is located on the lower side of the upper sheet fire hole passage portion (1112) and forms the fire hole passage (301) with the upper sheet fire hole passage portion (1112), the upper sheet body portion (1111) is concave upward to form the first groove (101), the middle sheet body portion (1211) is located on the lower side of the upper sheet body portion (1111) and is concave downward to form the second groove (102), and the middle sheet connecting portion (1213) is disposed on the lower side of the upper sheet connecting portion (1113) and is riveted with the upper sheet connecting portion (1113).

5. The burner of a gas oven according to claim 4, characterized in that, The lower sheet (131) comprises a lower sheet body portion (1311), a lower sheet connecting portion (1313) disposed 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 passage portion (1312) disposed on a side of the lower sheet body portion (1311) close to the middle portion of the cooking cavity (50), the lower sheet fire hole passage portion (1312) is disposed on the lower side of the middle sheet fire hole passage portion (1212) and forms the flame stabilizing groove (302) with the middle sheet fire hole passage portion (1212), the lower sheet body portion (1311) is concave downward to form the third groove (103), the lower sheet body portion (1311) and the middle sheet body portion (1211) form the flame stabilizing cavity (200), the gas through hole (12110) is formed on the middle sheet body portion (1211), and the lower sheet connecting portion (1313) is disposed on the lower side of the middle sheet connecting portion (1213) and is riveted with the middle sheet connecting portion (1213).

6. The burner of a gas oven according to claim 5, characterized in that, The gas through hole (12110) is disposed on the side of the middle sheet body portion (1211) close to the middle sheet fire hole passage portion (1212).

7. Burner for gas ovens according to any one of claims 1-6, characterized in that, The upper pipeline sheet (11) further comprises an upper air inlet sheet (112) connected with the upper sheet (111), the middle pipeline sheet (12) further comprises a lower air inlet sheet (122) located at the lower side of the upper air inlet sheet (112) and surrounding the upper air inlet sheet (112) to form an air inlet channel (400), one end of the air inlet channel (400) communicates with the combustion gas cavity (100), and the other end communicates with the gas supply pipeline.

8. Burner for gas ovens according to any one of claims 1-6, characterized in that, Further comprising an ignition needle (3) and a cover, the combustion pipeline (1) is arranged in the cover, the cover is provided with a heat dissipation hole (41) and an ignition needle through hole (25), the heat dissipation hole (41) is located at the side of the middle part of the fire hole channel (301) facing the cooking cavity (50), the ignition needle (3) extends into the cover through the ignition needle through hole (25), and the ignition nozzle of the ignition needle (3) is located above the fire spouting port of the fire hole channel (301).

9. The burner of a gas oven according to claim 8, characterized in that, The cover comprises a bottom shell (2) and a cover shell (4), the bottom shell (2) comprises a bottom shell body (21), the bottom shell body (21) is provided with a containing cavity (22), the containing cavity (22) is provided with a mounting opening (24) at the side of the middle part of the cooking cavity (50), the side of the containing cavity (22) is provided with an air inlet structure, the combustion pipeline (1) extends into the containing cavity (22), the cover shell (4) is arranged at the mounting opening (24) and detachably connected with 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 The gas oven further comprises a cooking liner (5) and the burner of any one of claims 1-9, 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 burner is provided in two groups, and one group of the burner is arranged on the lower part of the left side wall and the lower part of the right side wall of the cooking cavity (50). The burner is provided in two groups, and one group of the burner is arranged on 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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