Combustor of gas oven and gas oven

Abstract

The utility model discloses a burner of a gas oven and the gas oven, the burner of the gas oven comprises a fire distributor, and the fire distributor is provided with a secondary air channel, an inner ring air cavity and an outer ring air cavity which are sequentially arranged from inside to outside; the infrared burner is arranged on the upper side of the fire distributor in a covering mode and located on the upper side of the inner ring gas cavity and the upper side of the outer ring gas cavity, a plurality of inner fire holes and a plurality of outer fire holes located on the outer sides of the inner fire holes are formed in the infrared burner, the inner fire holes communicate with the inner ring gas cavity, and the outer fire holes communicate with the outer ring gas cavity; the igniter is arranged on the upper side of the infrared burner and is aligned with part of the outer fire holes; the injection pipe group comprises an outer ring injection pipe and an inner ring injection pipe which are adjacently arranged, one end of the outer ring injection pipe is provided with an outer ring gas outlet, the other end of the outer ring injection pipe is provided with an outer ring gas inlet, the outer ring gas outlet is communicated with the outer ring gas cavity, the outer ring gas inlet is communicated with a gas supply pipeline outside the gas oven, and the inner ring injection pipe is communicated with the outer ring gas cavity. An inner ring air outlet is formed in one end of the inner ring injection pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen electrical technology field especially relates to a gas oven's combustor and gas oven. BACKGROUND

[0002] The existing gas oven combustor generally only sets up a fire tube, and the firepower of a fire tube is small, cannot provide larger firepower, cannot adjust smaller firepower, and is uneven in heating, which is difficult to meet the user demand.

[0003] Therefore, a combustor is needed to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model at least one of the problems in the prior art is solved to some extent, and a combustor for a gas oven is provided, in which an igniter is arranged on the upper side of the combustor and aligned with part of the outer fire holes, so that the igniter can directly ignite the gas of the outer fire holes, and the flame is transferred from the outer ring of the combustor to the inner ring of the combustor, which has a simple structure, and the inner ring fire and the outer ring fire of the combustor can be independently controlled by arranging the inner ring air cavity, the outer ring air cavity, the inner ring injection pipe and the outer ring injection pipe, so that the firepower of the combustor can be adjusted to a larger range, has greater firepower, and the small firepower can be adjusted to be smaller, thereby meeting the different needs of users for firepower and improving the user experience.

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

[0006] A combustor for a gas oven, comprising:

[0007] A distributor having a secondary air passage, an inner ring air cavity and an outer ring air cavity arranged in sequence from the inside to the outside;

[0008] An infrared combustor arranged on the upper side of the distributor and located on the upper side of the inner ring air cavity and the outer ring air cavity, the infrared combustor having a plurality of inner fire holes and a plurality of outer fire holes located outside the inner fire holes, the inner fire holes being in communication with the inner ring air cavity, and the outer fire holes being in communication with the outer ring air cavity;

[0009] An igniter arranged on the upper side of the infrared combustor and aligned with part of the outer fire holes;

[0010] The ejector pipe group comprises an outer ring ejector pipe and an inner ring ejector pipe arranged adjacently, one end of the outer ring ejector pipe is provided with an outer ring gas outlet, the other end of the outer ring ejector pipe is provided with an outer ring gas inlet, the outer ring gas outlet is communicated with the outer ring gas cavity, the outer ring gas inlet is communicated with a gas supply pipeline outside the gas oven, one end of the inner ring ejector pipe is provided with an inner ring gas outlet, the other end of the inner ring ejector pipe is provided with an inner ring gas inlet, the inner ring gas outlet is communicated with the inner ring gas cavity, and the inner ring gas inlet is communicated with the gas supply pipeline.

[0011] Optionally, the igniter comprises an igniter mounting seat and an igniter needle body arranged on the igniter mounting seat, an ignition opening of the igniter needle body is aligned with the outer fire hole, one end of the igniter mounting seat is connected with the outer ring ejector pipe, and the other end of the igniter mounting seat is connected with the inner ring ejector pipe.

[0012] Optionally, the ejector nozzle structure comprises an ejector nozzle mounting seat and an outer ring ejector nozzle and an inner ring ejector nozzle mounted on the ejector nozzle mounting seat, one end of the outer ring ejector nozzle is communicated with the outer ring gas inlet, the other end of the outer ring ejector nozzle is communicated with the gas supply pipeline, one end of the inner ring ejector nozzle is communicated with the inner ring gas inlet, and the other end of the inner ring ejector nozzle is communicated with the gas supply pipeline.

[0013] Optionally, the damper is further provided with a first plug-in hole and a second plug-in hole, one end of the damper is mounted on the outer ring gas inlet, the other end of the damper is mounted on the inner ring gas inlet, the outer ring ejector nozzle is plugged into the first plug-in hole and aligned with the outer ring gas inlet, and the inner ring ejector nozzle is plugged into the second plug-in hole and aligned with the inner ring gas inlet.

[0014] Optionally, the connecting plate group further comprises a second connecting plate, the second connecting plate is provided with a second air inlet hole, the damper is mounted on the second connecting plate through screws, the second connecting plate is mounted on the upper side of the first connecting plate through screws, and the second air inlet hole is corresponded to and communicated with the first air inlet hole and the secondary air channel.

[0015] Optionally, the connecting plate group further comprises a second connecting plate, the second connecting plate is provided with a second air inlet hole, the damper is mounted on the second connecting plate through screws, the second connecting plate is mounted on the upper side of the first connecting plate through screws, and the second air inlet hole is corresponded to and communicated with the first air inlet hole and the secondary air channel.

[0016] Optionally, a guide plate is further included, which is arranged in the outer ring air cavity and located in front of and above the outer ring air outlet, and at least one side of the guide plate is arranged in a spaced manner with the side wall of the outer ring air cavity.

[0017] Optionally, a heat uniformizing plate is further included, which is arranged above the infrared burner in a spaced manner, and a plurality of heat dissipation holes are formed in the heat uniformizing plate.

[0018] Optionally, a first clamping structure and a second clamping structure are further included, the outer end of the infrared burner is arranged on the upper side of the outer end of the distributor through the first clamping structure, the inner end of the infrared burner is arranged on the upper side of the inner end of the distributor through the second clamping structure, the lower side of the heat uniformizing plate is provided with a supporting leg, and the supporting leg is connected with the second clamping structure.

[0019] The utility model discloses a gas oven, including cooking inner bag and the burner of above-mentioned gas oven, cooking cavity and the combustion chamber arranged in the lower side of cooking cavity are seted up in the cooking inner bag, the front side of combustion chamber is provided with the vent, and the burner is installed in the combustion chamber.

[0020] Compared with the prior art, the utility model at least includes following beneficial effects:

[0021] The burner of the gas oven provided by this utility model includes a flame distributor, an infrared burner, an igniter, and an injector assembly. The flame distributor has a secondary air passage, an inner annular air chamber, and an outer annular air chamber arranged sequentially from the inside to the outside. The infrared burner is located on the upper side of the flame distributor and above the inner and outer annular air chambers. The infrared burner has multiple inner flame holes and multiple outer flame holes located outside the inner flame holes. The inner flame holes communicate with the inner annular air chamber, and the outer flame holes communicate with the outer annular air chamber. The igniter is located on the upper side of the infrared burner and aligned with some of the outer flame holes. The ejector assembly includes an outer ring ejector and an inner ring ejector, arranged adjacent to each other. One end of the outer ring ejector has an outer ring outlet, and the other end has an outer ring inlet. The outer ring outlet is connected to the outer ring gas chamber, and the outer ring inlet is connected to the gas supply pipe outside the gas oven. One end of the inner ring ejector has an inner ring outlet, and the other end has an inner ring inlet. The inner ring outlet is connected to the inner ring gas chamber, and the inner ring inlet is connected to the gas supply pipe. The igniter is set to... The upper side of the burner is aligned with some of the outer flame holes so that the igniter can directly ignite the gas in the outer flame holes. The flame is transmitted from the outer ring of the burner to the inner ring. The structure is simple. By setting an inner ring gas chamber, an outer ring gas chamber, an inner ring ejector tube, and an outer ring ejector tube, the inner and outer ring flames of the burner can be controlled independently. This makes the burner's firepower adjustable range wider, providing greater firepower, and the firepower can be adjusted to a smaller level to meet different user needs and improve the user experience. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural diagram of the burner of the gas oven provided in a specific embodiment of this utility model;

[0023] Figure 2 yes Figure 1 Exploded view;

[0024] Figure 3 yes Figure 1 Top view;

[0025] Figure 4 yes Figure 3 Sectional view at point AA;

[0026] Figure 5 yes Figure 1 A schematic diagram of the structure after removing the infrared burner;

[0027] Figure 6 This is a schematic diagram of the structure of a gas oven provided in a specific embodiment of this utility model;

[0028] Figure 7 yes Figure 6 The main view;

[0029] Figure 8 Figure 7 Cross-sectional view at B-B.

[0030] In the figure:

[0031] 1, fire divider; 11, clamping boss; 121, first clamping structure; 122, second clamping structure;

[0032] 2, infrared burner;

[0033] 3, heat plate; 31, heat dissipation hole; 32, support foot;

[0034] 4, igniter; 41, igniter mounting seat; 42, igniter needle body;

[0035] 51, outer ring ejector pipe; 511, outer ring air inlet; 512, outer ring air outlet; 52, inner ring ejector pipe; 521, inner ring air inlet; 522, inner ring air outlet;

[0036] 6, air door; 61, first plug hole; 62, second plug hole;

[0037] 7, ejector nozzle structure; 71, ejector nozzle mounting seat; 72, outer ring ejector nozzle; 73, inner ring ejector nozzle;

[0038] 8, connecting plate group; 81, second connecting plate; 810, second air inlet hole; 82, first connecting plate; 820, first air inlet hole;

[0039] 9, deflector plate;

[0040] 10, cooking liner; 100, cooking cavity; 1001, ventilation hole; 200, combustion cavity;

[0041] 101, outer ring air cavity; 102, inner ring air cavity; 103, secondary air passage. DETAILED DESCRIPTION

[0042] 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 without departing from the spirit of the present application should be included in the scope of the technical solutions claimed by the present application.

[0043] Please refer to Figures 1-8The utility model provides a kind of combustor of gas oven, including fire divider 1, infrared burner 2, igniter 4 and ejector pipe group.Secondary air passage 103, inner ring air chamber 102 and outer ring air chamber 101 are sequentially opened from inside to outside in fire divider 1.Infrared burner 2 is covered in the upside of fire divider 1 and is located in the upside of inner ring air chamber 102 and outer ring air chamber 101, and infrared burner 2 is opened with multiple inner fire holes and multiple outer fire holes located in the outside of inner fire hole, and inner fire hole is communicated with inner ring air chamber 102, and outer fire hole is communicated with outer ring air chamber 101.Igniter 4 is arranged in the upside of infrared burner 2 and is aligned with part of outer fire hole.Ejector pipe group includes outer ring ejector pipe 51 and inner ring ejector pipe 52, which are arranged adjacent, one end of outer ring ejector pipe 51 is provided with outer ring gas outlet 512, the other end of outer ring ejector pipe 51 is provided with outer ring gas inlet 511, outer ring gas outlet 512 is communicated with outer ring air chamber 101, outer ring gas inlet 511 is communicated with gas supply pipeline outside gas oven, one end of inner ring ejector pipe 52 is provided with inner ring gas outlet 522, the other end of inner ring ejector pipe 52 is provided with inner ring gas inlet 521, inner ring gas outlet 522 is communicated with inner ring air chamber 102, and inner ring gas inlet 521 is communicated with gas supply pipeline, by being arranged in the upside of combustor and being aligned with part of outer fire hole, so that igniter 4 can directly ignite the gas of outer fire hole, and the flame is transmitted from the outer ring of combustor to the inner ring of combustor, simple structure, by being provided with inner ring air chamber 102, outer ring air chamber 101, inner ring ejector pipe 52 and outer ring ejector pipe 51, so that inner ring fire and outer ring fire of combustor can be independently controlled, to make the firepower adjustable range of combustor be larger, have greater firepower, and small firepower can be adjusted to be smaller, to meet the different needs of users to firepower, improve user experience.

[0044] Optionally, the igniter 4 includes an igniter mounting seat 41 and an ignition needle body 42 disposed on the igniter mounting seat 41, the ignition port of the ignition needle body 42 is aligned with the outer fire hole, one end of the igniter mounting seat 41 is connected with the outer ring ejector pipe 51, and the other end of the igniter mounting seat 41 is connected with the inner ring ejector pipe 52. In this way, the igniter mounting seat 41 can be used to mount the ignition needle body 42 on one hand, and can also fix the outer ring ejector pipe 51 and the inner ring ejector pipe 52 on the other hand, which is simple and compact in structure.

[0045] Optionally, it further includes an injection nozzle structure 7, which includes an injection nozzle mounting seat 71, an outer ring injection nozzle 72 and an inner ring injection nozzle 73 mounted on the injection nozzle mounting seat 71, one end of the outer ring injection nozzle 72 is communicated with the outer ring gas inlet 511, the other end of the outer ring injection nozzle 72 is communicated with the gas supply pipeline, thereby realizing the mixing between the outer ring gas and air, one end of the inner ring injection nozzle 73 is communicated with the inner ring gas inlet 521, and the other end of the inner ring injection nozzle 73 is communicated with the gas supply pipeline, thereby realizing the mixing between the inner ring gas and air.

[0046] Optionally, the damper 6 is further included, the first plug hole 61 and the second plug hole 62 are arranged on the damper 6, one end of the damper 6 is installed on the outer ring air inlet 511, the other end of the damper 6 is installed on the inner ring air inlet 521, the outer ring injection nozzle 72 is plugged on the first plug hole 61 and aligned with the outer ring air inlet 511, the inner ring injection nozzle 73 is plugged on the second plug hole 62 and aligned with the inner ring air inlet 521, so as to facilitate the installation and alignment between the injection nozzle structure 7 and the injection pipe group, thereby realizing the quick installation of the structure.

[0047] Optionally, the connecting plate group 8 is further included, the connecting plate group 8 includes the first connecting plate 82, the first air inlet hole 820 is arranged on the first connecting plate 82, the spark distributor 1 and the injection nozzle mounting seat 71 are all installed on the first connecting plate 82 through screws, the first air inlet hole 820 corresponds and communicates with the secondary air channel 103, thereby realizing the assembly of the spark distributor 1 and the injection nozzle structure 7, and the structure is simple and convenient to assemble.

[0048] Optionally, the connecting plate group 8 further includes the second connecting plate 81, the second air inlet hole 810 is arranged on the second connecting plate 81, the spark distributor 1 is installed on the second connecting plate 81 through screws, the second connecting plate 81 is installed on the upper side of the first connecting plate 82 through screws, and the second air inlet hole 810 corresponds and communicates with the first air inlet hole 820 and the secondary air channel 103. By arranging the second connecting plate 81, the connection stability of the spark distributor 1 is further improved.

[0049] Optionally, the flow guide plate 9 is further included, the flow guide plate 9 is arranged in the outer ring air cavity 101 and located in front of and above the outer ring air outlet 512, at least one side of the flow guide plate 9 is arranged in a spaced manner with the side wall of the outer ring air cavity 101, thereby reducing the flow rate of the gas and air mixture in the outer ring air cavity 101, and further improving the mixing degree of the gas and air, so as to improve the combustion efficiency.

[0050] Optionally, the heat uniformizing plate 3 is further included, the heat uniformizing plate 3 is installed above the infrared burner 2 and arranged in a spaced manner with the infrared burner 2, and a plurality of heat dissipation holes 31 are arranged on the heat uniformizing plate 3. By arranging the heat uniformizing plate 3, the heat distribution uniformity is improved, thereby improving the firepower distribution uniformity of cooking, so that the food can be uniformly heated, and the cooking effect is improved.

[0051] Optionally, the first clamping structure and the second clamping structure are further included, the outer end of the infrared burner 2 is mounted on the upper side of the outer end of the distributor 1 through the first clamping structure, the inner end of the infrared burner 2 is mounted on the upper side of the inner end of the distributor 1 through the second clamping structure, the lower side of the heat plate 3 is provided with a supporting leg 32, and the supporting leg 32 is connected with the second clamping structure. By arranging the first clamping structure and the second clamping structure, the infrared burner 2 is mounted and fixed on the upper side of the distributor 1.

[0052] Optionally, the first clamping structure includes a first outer clamping part, a second outer clamping part and a clamping hook connected in sequence, the first outer clamping part abuts against the upper side of the outer end of the infrared burner 2, the second outer clamping part abuts against the outer circumferential side of the distributor 1, and the clamping hook is clamped with the bottom side of the clamping boss 11 arranged on the circumferential side of the distributor 1, so that the outer end of the infrared burner is fixed on the outer end of the distributor 1.

[0053] Optionally, the second clamping part includes a first inner clamping part and a second inner clamping part connected in sequence, the first inner clamping part abuts against the upper side of the inner end of the infrared burner, the second inner clamping part abuts against the inner side wall of the secondary air channel 103, and the second clamping part is arranged in interference fit with the inner side wall of the secondary air channel 103, so that the inner end of the infrared burner is fixed on the inner end of the distributor 1, and the structure is simple and compact.

[0054] The utility model discloses a gas oven, including cooking inner bag 10 and the burner of above-mentioned gas oven, cooking inner bag 10 is seted up cooking cavity 100 and the combustion chamber 200 of setting in cooking cavity 100 lower side, and the front side of combustion chamber 200 is seted up vent hole 1001, and the burner is installed in combustion chamber 200.

[0055] The above-mentioned is only some implementation manners of the utility model. For ordinary skilled person in the art, without departing from the creative concept of the utility model, a plurality of deformation and improvement can be made, and these all belong to the protection scope of the utility model.

Claims

1. Burner for a gas oven, characterized in that, The utility model relates to a kind of gas oven, including: The diffuser (1) is opened with secondary air passage (103) from inside to outside sequentially, inner ring air chamber (102) and outer ring air chamber (101) are sequentially opened; Infrared burner (2), cover is set on the upper side of the diffuser (1) and is located in the upper side of the inner ring air chamber (102) and the outer ring air chamber (101), a plurality of inner fire holes and a plurality of outer fire holes located in the outer side of the inner fire hole are opened in the infrared burner (2), the inner fire hole is communicated with the inner ring air chamber (102), the outer fire hole is communicated with the outer ring air chamber (101); Igniter (4), set in the upper side of the infrared burner (2) and with part of the outer fire hole alignment; Ejector tube group, including adjacent outer ring ejector tube (51) and inner ring ejector tube (52), one end of the outer ring ejector tube (51) is provided with outer ring gas outlet (512), the other end of the outer ring ejector tube (51) is provided with outer ring gas inlet (511), the outer ring gas outlet (512) is communicated with the outer ring air chamber (101), the outer ring gas inlet (511) is communicated with the gas supply pipeline outside gas oven, one end of the inner ring ejector tube (52) is provided with inner ring gas outlet (522), the other end of the inner ring ejector tube (52) is provided with inner ring gas inlet (521), the inner ring gas outlet (522) is communicated with the inner ring air chamber (102), the inner ring gas inlet (521) is communicated with the gas supply pipeline.

2. Burner for gas ovens according to claim 1, characterized in that, The igniter (4) includes igniter mounting seat (41) and igniter needle body (42) arranged on the igniter mounting seat (41), the ignition port of the igniter needle body (42) is aligned with the outer fire hole, one end of the igniter mounting seat (41) is connected with the outer ring ejector tube (51), the other end of the igniter mounting seat (41) is connected with the inner ring ejector tube (52).

3. The burner of a gas oven according to claim 1, characterized in that, It also includes ejector nozzle structure (7), the ejector nozzle structure (7) includes ejector nozzle mounting seat (71) and outer ring ejector nozzle (72) and inner ring ejector nozzle (73) mounted on the ejector nozzle mounting seat (71), one end of the outer ring ejector nozzle (72) is communicated with the outer ring gas inlet (511), the other end of the outer ring ejector nozzle (72) is communicated with the gas supply pipeline, one end of the inner ring ejector nozzle (73) is communicated with the inner ring gas inlet (521), the other end of the inner ring ejector nozzle (73) is communicated with the gas supply pipeline.

4. The burner of a gas oven according to claim 3, characterized in that, It also includes damper (6), the first plug hole (61) and the second plug hole (62) are opened in the damper (6), one end of the damper (6) is mounted on the outer ring gas inlet (511), the other end of the damper (6) is mounted on the inner ring gas inlet (521), the outer ring ejector nozzle (72) is plugged in the first plug hole (61) and is aligned with the outer ring gas inlet (511), the inner ring ejector nozzle (73) is plugged in the second plug hole (62) and is aligned with the inner ring gas inlet (521).

5. The burner of a gas oven according to claim 3, characterized in that, Further comprising a connecting plate group (8), the connecting plate group (8) comprising a first connecting plate (82) with a first air inlet hole (820) formed thereon, the igniter (1) and the injection nozzle mounting base (71) being mounted on the first connecting plate (82) by screws, the first air inlet hole (820) corresponding to and communicating with the secondary air channel (103).

6. The burner of a gas oven according to claim 5, characterized in that, The connecting plate group (8) further comprises a second connecting plate (81) with a second air inlet hole (810) formed thereon, the igniter (1) being mounted on the second connecting plate (81) by screws, the second connecting plate (81) being mounted on the upper side of the first connecting plate (82) by screws, the second air inlet hole (810) corresponding to and communicating with the first air inlet hole (820) and the secondary air channel (103).

7. Burner for gas ovens according to any of the claims 1-6, characterized in that, Further comprising a flow guide plate (9) arranged in the outer ring air cavity (101) and located in front of and above the outer ring air outlet (512), at least one side of the flow guide plate (9) being arranged spaced apart from the side wall of the outer ring air cavity (101).

8. Burner for gas ovens according to any one of claims 1-6, characterized in that, Further comprising a heat uniformizing plate (3) mounted above and spaced apart from the infrared burner (2), the heat uniformizing plate (3) having a plurality of heat dissipation holes (31) formed thereon.

9. The burner of a gas oven according to claim 8, characterized in that, Further comprising a first clamping structure (121) and a second clamping structure (122), the outer end of the infrared burner (2) being mounted on the upper side of the outer end of the igniter (1) by the first clamping structure (121), the inner end of the infrared burner (2) being mounted on the upper side of the inner end of the igniter (1) by the second clamping structure (122), the lower side of the heat uniformizing plate (3) being provided with a supporting leg (32), the supporting leg (32) being connected with the second clamping structure (122).

10. A gas oven, characterized in that A burner of a gas oven according to any one of claims 1-9, comprising a cooking liner (10) with a cooking cavity (100) formed therein and a combustion cavity (200) arranged on the lower side of the cooking cavity (100), a ventilation hole (1001) being formed on the front side of the combustion cavity (200), the burner being mounted in the combustion cavity (200).

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