An upwind type stove burner and integrated stove

Abstract

The embodiment of the application discloses a top air inlet type stove burner and integrated stove. The burner comprises: an isolation box for isolating the inside of the whole machine from the outside of the whole machine, the isolation box has an opening facing the outside of the whole machine, a suction pipe is arranged in the opening, a gas inlet connected with an air inlet pipe is arranged on a first side of the isolation box, a gas inlet end of the suction pipe is communicated with the gas inlet, and a gas outlet end of the suction pipe extends to an opposite second side; a burner head, an air inlet end of the burner head is connected with the gas outlet end of the suction pipe, and a gas outlet end of the burner head extends out of the opening of the isolation box; a gas distribution disc arranged on the opening of the isolation box comprises a gas passage for supplying gas to a fire cover, the gas outlet end of the burner head is communicated with the gas passage at a first edge of the gas distribution disc away from the gas inlet; and a damper adjusting assembly arranged in the isolation box, the damper adjusting assembly corresponds to the gas inlet and is connected with the gas inlet end of the suction pipe. The burner of the embodiment of the application can improve the safety of the integrated stove and can also adjust the combustion working condition in a wide range when the burner is installed on the integrated stove table.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of household cookers, in particular to an updraft type cooker burner and an integrated cooker. BACKGROUND

[0002] At present, household cookers mainly have updraft type burners and downdraft type burners. The disadvantage of using the updraft type burner is that the combustion condition cannot be adjusted in a wide range, which leads to the phenomenon of poor combustion condition such as backfire, yellow flame and flame separation during use by users due to reasons such as gas composition, atmospheric pressure and altitude, especially when using liquefied gas as fuel gas and the fuel gas is bottle bottom gas, since the gas composition is mainly composed of butane at this time, the phenomenon of insufficient combustion, yellow flame and black smoke leading to blackening of the pot bottom will occur.

[0003] The disadvantage of using the downdraft type burner is that in a relatively closed space, the integrated cooker is embedded with an electric appliance such as a steaming oven or a sterilizer, and once backfire or gas leakage occurs, there will be a risk of explosion due to the accumulation of gas. In addition, the integrated cooker with the downdraft type burner will have oil smoke particles in the inner cavity of the integrated cooker during cooking, which will enter the lower wind injection channel and cause the phenomenon of red flame. SUMMARY

[0004] In order to solve the problems of the prior art, the present application provides an updraft type cooker burner and an integrated cooker, which can prevent backfire from burning out the electric appliance inside the integrated cooker, improve the safety of the integrated cooker, and can also adjust the combustion condition in a wide range to ensure that the combustion condition is in a good state. The technical scheme of the present application is as follows:

[0005] On the one hand, an updraft type cooker burner is provided, comprising:

[0006] A separation box is used to separate the inside of the whole machine from the outside of the whole machine, the separation box has an opening facing the outside of the whole machine, a gas inlet connected with a gas inlet pipe is arranged on a first side of the separation box, a injection pipe is arranged in the separation box, the gas inlet end of the injection pipe is close to the gas inlet and communicates with the gas inlet, the gas outlet end of the injection pipe extends to a second side of the separation box, and the second side is a side surface arranged opposite to the first side;

[0007] A burner head is arranged in the separation box, the gas inlet end of the burner head is connected with the gas outlet end of the injection pipe, and the gas outlet end of the burner head extends out of the separation box through the opening of the separation box;

[0008] A gas distribution disc is arranged on the opening of the isolation box, and the gas distribution disc comprises a gas passage for supplying gas to the fire cap, and the gas outlet end of the burner head is connected to the gas passage at a first edge of the gas distribution disc, which is an edge of the gas distribution disc away from the gas inlet;

[0009] A damper adjusting assembly is arranged in the isolation box, corresponding to the gas inlet and connected to the gas inlet end of the ejector pipe in the isolation box.

[0010] In some specific embodiments, the ejector pipe comprises an inner ring ejector pipe and an outer ring ejector pipe, the gas passage comprises an inner ring gas passage and an outer ring gas passage, the burner head comprises an inner ring burner head and an outer ring burner head, and the fire cap comprises an inner ring fire cap and an outer ring fire cap;

[0011] The inner ring gas passage is connected to the inner ring ejector pipe through the inner ring burner head and supplies gas to the inner ring fire cap, and the outer ring gas passage is connected to the outer ring ejector pipe through the outer ring burner head and supplies gas to the outer ring fire cap;

[0012] The inner ring ejector pipe is arranged close to the central axis of the isolation box, the inner ring gas passage extends from the central position of the gas distribution disc along the radial direction of the gas distribution disc towards the first edge, and the extension direction of the gas outlet end of the inner ring burner head is perpendicular to the extension direction of the inner ring gas passage.

[0013] In some specific embodiments, the inner ring fire cap comprises a first fire cap part and a second fire cap part, the first fire cap part is arranged close to the central position of the gas distribution disc, and a plurality of fire holes are arranged on the side surface of the first fire cap part; one end of the second fire cap part is connected to the first fire cap part, the other end of the second fire cap part extends towards the first edge and cooperates with the inner ring gas passage, and no fire hole is arranged on the second fire cap part.

[0014] In some specific embodiments, the outer ring ejector pipe comprises a first outer ring ejector pipe and a second outer ring ejector pipe, and the first outer ring ejector pipe and the second outer ring ejector pipe are arranged on both sides of the inner ring ejector pipe in the isolation box;

[0015] The outer ring burner head comprises a first outer ring burner head connected to the first outer ring ejector pipe and a second outer ring burner head connected to the second outer ring ejector pipe;

[0016] The gas distribution disc is provided with a first through hole, a second through hole and a third through hole at the first edge, the first through hole corresponds to the gas outlet end of the first outer ring burner head, the second through hole corresponds to the gas outlet end of the inner ring burner head, and the third through hole corresponds to the gas outlet end of the second outer ring burner head;

[0017] The gas distribution disc is provided with an annular cavity extending from the periphery of the gas distribution disc to the center of the gas distribution disc, and the first through hole and the third through hole are arranged in the annular cavity and constitute the outer ring gas passage;

[0018] The gas distribution disc is provided with an elliptical cavity extending from the center of the gas distribution disc to the second through hole, and the second through hole is arranged in the elliptical cavity and constitutes the inner ring gas passage.

[0019] In some specific embodiments, the annular cavity comprises a first part and a second part, the first part is a part of the annular cavity from the first through hole to the third through hole along a first ring direction, and the second part is a part of the annular cavity other than the first part, and the second through hole is arranged in the first ring direction;

[0020] The cross section of the first part is smaller than the cross section of the second part at any position.

[0021] In some specific embodiments, the upper air inlet type range burner further comprises an air waterproof isolation plate arranged on the opening of the isolation box and located between the gas distribution disc and the isolation box.

[0022] The air waterproof isolation plate is provided with a positioning hole corresponding to the gas outlet end of the burner, and the gas outlet end of the burner passes through the positioning hole and communicates with the gas passage on the gas distribution disc.

[0023] In some specific embodiments, the air waterproof isolation plate comprises a plate body and a plate eave, the plate eave is arranged at the periphery of the plate body, and the connection angle between the plate body and the plate eave is an obtuse angle.

[0024] In some specific embodiments, the isolation box is provided with a protruding portion at the periphery of the opening, and the protruding portion is higher than a first plane of the range; the first plane is a plane corresponding to a water pan of the range.

[0025] In some specific embodiments, the damper adjusting assembly comprises a damper blade fixing plate and an air adjusting assembly, the damper blade fixing plate is connected with the air inlet end of the ejector pipe, and the air adjusting assembly corresponds to the ejector pipe.

[0026] The air adjusting assembly comprises a damper tab, a spring and a nozzle, the air inlet end of the nozzle is connected with the gas inlet, the air outlet end of the nozzle passes through the through hole on the damper tab and the spring in sequence and is fixed to the corresponding fixed hole of the damper blade fixing plate.

[0027] In another aspect, an integrated range is also provided, which comprises the upper air inlet type range burner of the present application.

[0028] The upper air inlet type stove burner provided by the embodiment of the present application separates the whole machine into two areas, i.e. the outside of the whole machine and the inside of the whole machine, by a separation box, the separation box has an opening facing the outside of the whole machine, a gas inlet connected with the air inlet pipe is arranged on the first side of the separation box, the injection pipe is arranged in the separation box and the gas inlet end of the injection pipe is close to the gas inlet and communicates with the gas inlet, the gas outlet end of the injection pipe extends to the second side opposite to the first side, the gas inlet end of the burner is connected with the gas outlet end of the injection pipe in the separation box, the gas outlet end of the burner extends out of the separation box through the opening of the separation box, at the same time, the gas distribution disc is arranged on the opening of the separation box, the gas outlet end of the burner communicates with the gas passage on the gas distribution disc at the first edge of the gas distribution disc away from the gas inlet, and the air door adjusting assembly connected with the gas inlet end of the injection pipe is arranged in the separation box, so that the length and volume of the injection pipe are increased, which is beneficial to the injection of more primary air by the gas and the mixing of the gas and the primary air, and then the combustion condition can be adjusted according to the actual situation to make the combustion always in a good state, the wide adjustment of the combustion condition is realized, and the combustion can be completed in the outside of the whole machine, which ensures that there is no risk of explosion caused by backfire and gas leakage accumulation in the inside of the whole machine, and the safety during use is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0030] Figure 1 is a disassembled structure schematic diagram of the upper air inlet type stove burner provided by the embodiment of the present application;

[0031] Figure 2 is a cross-sectional structure schematic diagram of the upper air inlet type stove burner provided by the embodiment of the present application;

[0032] Figure 3 is a gas passage schematic diagram of the upper air inlet type stove burner provided by the embodiment of the present application;

[0033] Figure 4 is a disassembled structure schematic diagram of the air door adjusting assembly of the upper air inlet type stove burner provided by the embodiment of the present application;

[0034] Figure 5 is an air door adjusting schematic diagram of the upper air inlet type stove burner provided by the embodiment of the present application;

[0035] Figure 6 is a three-dimensional structure schematic diagram of the upper air inlet type stove burner provided by the embodiment of the present application;

[0036] Figure 7 is a schematic diagram of an installation state of an updraft type stove burner provided by an embodiment of the present application;

[0037] Figure 8 is a schematic diagram of an overall assembly of an integrated stove provided by an embodiment of the present application;

[0038] The following is a supplementary description of the drawings:

[0039] 10 - internal part of the overall machine, 20 - external part of the overall machine, 30 - water pan, 40 - pot support, 201 - primary air supply area, 202 - secondary air supply area;

[0040] 1 - isolation box, 11 - first side, 12 - gas inlet, 13 - second side, 14 - protruding part;

[0041] 2 - air inlet pipe;

[0042] 3 - ejector pipe, 31 - inner ring ejector pipe, 32 - outer ring ejector pipe;

[0043] 4 - burner, 41 - inner ring burner, 42 - outer ring burner, 421 - first outer ring burner, 422 - second outer ring burner;

[0044] 5 - gas distribution disc, 51 - first through hole, 52 - second through hole, 53 - third through hole, 54 - annular cavity, 55 - elliptical cavity, 56 - gas distribution disc support plane, 541 - first part, 542 - second part;

[0045] 6 - fire cover, 61 - inner ring fire cover, 62 - outer ring fire cover, 611 - first fire cover part, 612 - second fire cover part;

[0046] 7 - gas passage, 71 - inner ring gas passage, 72 - outer ring gas passage;

[0047] 8 - air door adjusting assembly, 81 - air door piece fixing piece, 82 - air adjusting assembly, 83 - air door mounting plate, 821 - air door tab, 822 - spring, 823 - nozzle;

[0048] 9 - air waterproof isolation plate, 91 - positioning hole, 92 - plate body, 93 - plate eave, 94 - air waterproof isolation plate support plane. DETAILED DESCRIPTION

[0049] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the present application.

[0050] The terms "one embodiment" or "an embodiment” as may be used herein as referring to a particular implementation, aspect or feature described herein. It is understood that the terms "upper", "lower", "top", "bottom" and the like can be used herein in relation to the orientation or position of one or more features as shown in the figures and are used for convenience and for the purpose of providing a common terminology. It is understood that these terms are not intended to imply or infer that the indicated feature must necessarily have a particular orientation, be constructed or operated in a particular orientation, and are not to be construed as limiting the application. Furthermore, the terms "first", "second", and the like are used herein for descriptive purposes only and are not to be construed as indicating or implying relative importance or an ordered sequence among or between the indicated features. It is understood that features having a "first" or "second" designation can include one or more of such features, either explicitly or implicitly. Moreover, the terms "first", "second", and the like are used to distinguish between like objects and are not necessarily used to describe a particular sequential or chronological order. It is understood that the data thus used can be interchanged, where appropriate, to refer to the embodiments of the application described herein in other than the order described herein.

[0051] When a range of values is disclosed, unless otherwise stated, the endpoints of the ranges are included as possible values. Further, when a range of values is provided, it is intended to include every value within the range. Moreover, when a range of values is provided, it is intended to include every intervening value between the lowest and highest value of the range. Additionally, it is intended to encompass one or more open-ended range of values. For example, ranges of "from 1 to 10" are intended to encompass any and all sub-ranges of the same, for example, from 1 to 6.1, from 3.5 to 7.8, from 5.5 to 10, and so on. In other embodiments, a single number is intended to mean not a range, but a single value and all grammatical variations thereof are intended to be covered.

[0052] Referring to Figures 1 to 6 The updraft stove burner of the embodiments of the present application includes a separation box 1 for separating the inside 10 of the whole machine and the outside 20 of the whole machine, and the integrated stove can be separated into the inside of the whole machine and the outside of the whole machine, wherein the inside of the whole machine can be embedded with an electric appliance such as a steam oven or a sterilizer. The separation box 1 has an opening facing the outside of the whole machine, and the separation box 1 is provided with a gas inlet 12 connected with an air inlet pipe 2 at a first side 11. An eductor pipe 3 is arranged in the separation box 1, the air inlet end of the eductor pipe 3 is close to the gas inlet 12 and communicates with the gas inlet 12, and the air outlet end of the eductor pipe 3 extends to a second side 13 of the separation box 1, and the second side 13 is a side opposite to the first side. For example, the separation box 1 can be a rectangular shape, and the first side 11 and the second side 13 can be the short sides of the rectangular shape.

[0053] The upper air intake type stove burner further comprises a burner head 4, the air intake end of the burner head 4 is connected with the air outlet end of the ejector pipe 3 in the isolation box 1, and the air outlet end of the burner head 4 extends out of the isolation box 1 towards the opening of the isolation box 1. In a specific implementation, the extending direction of the air intake end of the burner head 4 is perpendicular to the extending direction of the air outlet end of the burner head 4.

[0054] The upper air intake type stove burner further comprises a gas distribution disc 5 arranged on the opening of the isolation box 1, the gas distribution disc 5 comprises a gas passage 7 for supplying gas to the fire cap 6, wherein the air outlet end of the burner head 4 is connected with the gas passage 7 at a first edge of the gas distribution disc 5, which is an edge of the gas distribution disc 5 away from the gas inlet 12.

[0055] The upper air intake type stove burner further comprises a damper adjusting assembly 8 arranged in the isolation box 1, the damper adjusting assembly 8 corresponds to the gas inlet 12 and is connected with the air intake end of the ejector pipe in the isolation box 1, and the damper adjusting assembly 8 can be used to adjust the air supply amount when the ejector pipe is ejecting. In a specific implementation, the damper adjusting assembly 8 can be fixed to the air intake end of the ejector pipe 3 through a damper mounting plate 83.

[0056] The isolation box in the above embodiment isolates the whole machine into two areas, an external area and an internal area, the burner can complete combustion in the external area, which ensures that there is no risk of explosion caused by backfire and accumulation of gas leakage in the internal area, greatly improving the safety during use. In addition, the air outlet end of the burner head is connected with the gas passage at a first edge of the gas distribution disc, which is an edge of the gas distribution disc away from the gas inlet, thereby greatly increasing the length and volume of the ejector pipe in the isolation box, which is conducive to the mixing of more primary air with the gas and the mixing of the gas with the primary air, and then the damper adjusting assembly can be used to realize wide adjustment of the combustion condition to adjust the combustion condition according to the actual situation so that the combustion is always in a good state.

[0057] In some specific implementations, the upper air intake type stove burner further comprises an air waterproof isolation plate 9, the air waterproof isolation plate 9 is arranged on the opening of the isolation box 1 and located between the gas distribution disc 5 and the isolation box 1. The air waterproof isolation plate 9 is provided with a positioning hole 91 corresponding to the air outlet end of the burner head 4, and the air outlet end of the burner head 4 passes through the positioning hole 91 and is connected with the gas passage 7 on the gas distribution disc 5.

[0058] In practical applications, the isolation box 1 can be provided with a plurality of support columns extending from the bottom thereof to the opening thereof, each support column is sleeved with a support ring at the same height position, and the outer side wall of the burner head 4 can also be provided with a support ring at the height position, so that the upper surfaces of the plurality of support columns and the support ring of the burner head 4 at the height position can form an air-water isolation plate support plane 94 for supporting the air-water isolation plate 9, so that when the gas appliance of the embodiment of the present application is assembled, the air-water isolation plate 9 only needs to be placed on the air-water isolation plate support plane 94, without the need for fixing, which is convenient for cleaning.

[0059] For example, in order to facilitate assembly and cleaning, the end face of the gas outlet end of the burner head 4 and the extension end face of each support column can be set to the same height, thereby forming a gas distribution disc support plane 56 for supporting the gas distribution disc 5, so that when the gas appliance of the embodiment of the present application is assembled, the gas distribution disc 5 only needs to be placed on the gas distribution disc support plane 56, without the need for fixing, which is convenient for cleaning.

[0060] The air-water isolation plate 9 in the above embodiment isolates the air supply area into a primary air supply area 201 and a secondary air supply area 202. In the primary air supply area 201, the pressurized gas injects the primary air through the nozzle. In the secondary air supply area 202, the gas and air mixture in the fire hole can be supplemented with secondary air beside the fire hole during combustion. Isolating air is beneficial to the stability of the combustion condition and prevents excessive consumption of secondary air at the fire hole during the combustion process, which leads to insufficient supply of primary air and insufficient combustion.

[0061] In some specific embodiments, the air-water isolation plate 9 includes a plate body 92 and a plate eave 93, the plate eave 93 is arranged at the periphery of the plate body 92, and the connection angle between the plate body 92 and the plate eave 93 is an obtuse angle, so that a slope similar to a roof eave can be formed at the periphery of the air-water isolation plate 9, which can guide the overflow of soup during cooking and prevent the soup from entering the isolation box 1.

[0062] In some specific embodiments, the isolation box 1 can be further provided with a protruding portion 14 at the periphery of the opening thereof, the protruding portion 14 is higher than the first plane of the stove, for example, the first plane of the integrated stove, which is the plane corresponding to the water pan of the stove, so as to further prevent the soup from overflowing into the isolation box.

[0063] In some specific embodiments, the injection pipe 3 can include an inner ring injection pipe 31 and an outer ring injection pipe 32, the gas passage 7 includes an inner ring gas passage 71 and an outer ring gas passage 72, the burner head 4 includes an inner ring burner head 41 and an outer ring burner head 42, and the fire cap 6 includes an inner ring fire cap 61 and an outer ring fire cap 62.

[0064] The inner ring gas passage 71 is communicated with the inner ring ejection pipe 31 through the inner ring burner head 41, and supplies gas to the inner ring fire cap 61. The outer ring gas passage 72 is communicated with the outer ring ejection pipe 32 through the outer ring burner head 72, and supplies gas to the outer ring fire cap 62.

[0065] The inner ring ejection pipe 31 is arranged close to the central axis of the isolation box 1. In practical application, the central axis of the inner ring ejection pipe 31 can be parallel to the central axis of the isolation box 1, so that the inner ring ejection pipe 31 is arranged centrally in the isolation box 1. Then, the outer ring ejection pipe 32 can be arranged parallel to the inner ring ejection pipe 31 on the side of the inner ring ejection pipe 31.

[0066] The inner ring gas passage 71 extends from the central position of the gas distribution disc 5 to the first edge along the radial direction of the gas distribution disc 5. The extension direction of the gas outlet end of the inner ring burner head 41 is perpendicular to the extension direction of the inner ring gas passage 71, so that the flow direction of the gas makes a right-angle turn from the inner ring burner head 41 to the inner ring gas passage 71, which is beneficial to the full mixing of the gas in the gas passage 71, and can also meet the requirement of the central arrangement of the inner ring fire cap 61.

[0067] In some specific embodiments, in order to meet the requirement of the central fire of the inner ring, the inner ring fire cap 61 can include a first fire cap portion 611 and a second fire cap portion 612. The first fire cap portion 611 is arranged close to the central position of the gas distribution disc 5, and the side surface of the first fire cap portion 611 is provided with a plurality of fire holes. One end of the second fire cap portion 612 is connected with the first fire cap portion 611, and the other end of the second fire cap portion 612 extends to the first edge and cooperates with the inner ring gas passage 71. No fire hole is arranged on the second fire cap portion 612. In this way, the length and volume of the ejection pipe can be increased, and the requirement of the central fire of the inner ring can be met.

[0068] In some specific embodiments, in order to meet the requirement of large load, the outer ring ejection pipe 32 can be two, which are a first outer ring ejection pipe and a second outer ring ejection pipe. The first outer ring ejection pipe and the second outer ring ejection pipe are arranged on the two sides of the inner ring ejection pipe 31 in the isolation box 1. In practical application, the first outer ring ejection pipe and the second outer ring ejection pipe can be symmetrically arranged on the two sides of the inner ring ejection pipe 31.

[0069] Correspondingly, the outer ring burner head 42 includes a first outer ring burner head 421 communicated with the first outer ring ejection pipe, and a second outer ring burner head 422 communicated with the second outer ring ejection pipe.

[0070] The first edge of the gas distribution disc 5 is provided with a first through hole 51, a second through hole 52 and a third through hole 53, wherein the first through hole 51 corresponds to the gas outlet end of the first outer ring burner 421, the second through hole 52 corresponds to the gas outlet end of the inner ring burner 41, and the third through hole 53 corresponds to the gas outlet end of the second outer ring burner 422. Specifically, the gas flowing through the first outer ring burner 421 flows into the outer ring gas passage 72 through the first through hole 51, the gas flowing through the second outer ring burner 422 flows into the outer ring gas passage 72 through the third through hole 53, and the gas flowing through the inner ring burner 41 flows into the inner ring gas passage 71 through the second through hole 52.

[0071] It can be understood that, since the first outer ring injector and the second outer ring injector are distributed on both sides of the inner ring injector 31 in the isolation box 1, it is obvious that the first outer ring burner 421 and the second outer ring burner 422 are distributed on both sides of the inner ring burner 41 in the above structure, and the first through hole 51 and the third through hole 53 are distributed on both sides of the second through hole 52.

[0072] The gas distribution disc 5 is formed with an annular cavity 54 extending from the circumferential edge of the gas distribution disc 5 to the center of the gas distribution disc 5, and the first through hole 51 and the third through hole 53 are arranged in the annular cavity 54 and constitute the aforementioned outer ring gas passage 72; the gas distribution disc 5 is formed with an elliptical cavity 55 extending from the central position of the gas distribution disc 5 to the second through hole 52, and the second through hole 52 is arranged in the elliptical cavity 55 and constitutes the aforementioned inner ring gas passage 71.

[0073] In the above embodiment, by forming two outer ring gas inlets, the demand for large load can be met.

[0074] In some specific embodiments, in order to improve the stability of combustion, the annular cavity 54 includes a first part 541 and a second part 542, wherein the first part 541 is the part of the annular cavity 54 from the first through hole 51 to the third through hole 53 along the first ring direction, and the second part 542 is the part of the annular cavity 54 other than the first part 541, and the second through hole 52 is arranged on the first ring direction, wherein the cross section of the first part 541 is smaller than the cross section of the second part 542 at any position. Figure 3 The first ring direction is indicated by the arrow in the figure, and the elliptical cavity 55 extends to the annular cavity 54 at the first edge, so that the cross section of the first part 541 is smaller than the cross section of the second part 542 at any position.

[0075] In the above embodiment, the cross section between the gas inlets (i.e. the first through hole and the third through hole) of the two outer ring passages is smaller than that at other positions, which is beneficial to the flow of gas to both sides, thereby preventing excessive gas from producing a flame separation phenomenon between the gas inlets of the two outer ring passages, and improving the stability of combustion.

[0076] In some specific embodiments, as shown in Figure 4and 5 As shown in the drawings, the damper adjusting assembly 8 can include a damper blade fixing plate 81 connected with the air inlet end of the ejector pipe 3 and a damper adjusting assembly 82 corresponding to the ejector pipe 3. For example, each ejector pipe corresponds to one damper adjusting assembly 82.

[0077] The damper adjusting assembly 82 includes a damper blade 821, a spring 822, and a nozzle 823. The air inlet end of the nozzle 823 is connected with the gas inlet 12, and the air outlet end of the nozzle 823 passes through the through hole of the spring 822 and the damper blade 821 in sequence and is fixed to the corresponding fixing hole 811 of the damper blade fixing plate 81.

[0078] In actual application, when the flame burning condition is poor, such as off-flame or yellow flame, the damper blade 821 can be adjusted to the left or right to adjust the primary air supply of the corresponding ejector pipe, so that the burning condition is in the best state.

[0079] In the assembly of the updraft type stove burner, the burner head and the ejector pipe can be fixed in the isolation box by screwing or other fixing methods, then the air waterproof isolation plate can be placed on the air waterproof isolation plate support plane, and then the gas distribution disc can be placed on the gas distribution disc support plane, and the fire cover can be placed. The fire cover, the gas distribution disc, and the air waterproof isolation plate do not need to be fixed and can be placed stably for easy cleaning.

[0080] The embodiment of the present application also provides an integrated stove including the updraft type stove burner of the embodiment of the present application. Figure 7 and Figure 8 As shown in the drawings, the updraft type stove burner is installed on the table top of the integrated stove, the air inlet pipe 2 passes through the corresponding gas inlet 12 of the isolation box 1 and communicates with the nozzle 823 of the corresponding damper adjusting assembly 82, and the table top of the integrated stove also has a water tray 30 and a pot support 40.

[0081] The installation of the updraft type stove burner of the embodiment of the present application on the table top of the integrated stove can prevent backfire from burning the internal electrical appliances of the integrated stove, improve the safety of the integrated stove, and adjust the burning condition in a wide range to ensure that the burning condition is in a good state.

[0082] The above is only an optional embodiment of the present application and does not limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A top air inlet type cooktop burner, characterized by, The application relates to a gas stove, which comprises the following parts: a separation box (1) for separating the inside (10) of the whole machine from the outside (20) of the whole machine, the separation box (1) having an opening facing the outside of the whole machine, a first side (11) of the separation box (1) being provided with a gas inlet (12) connected with a gas inlet pipe (2), an ejector pipe (3) being arranged in the separation box (1), the gas inlet end of the ejector pipe (3) being close to the gas inlet (12) and being communicated with the gas inlet (12), the gas outlet end of the ejector pipe (3) extending to a second side (13) of the separation box (1), the second side (13) being a side arranged opposite to the first side (11); a burner head (4), the gas inlet end of the burner head (4) being connected with the gas outlet end of the ejector pipe (3) in the separation box (1), the gas outlet end of the burner head (4) extending out of the separation box (1) through the opening of the separation box (1); a gas distribution disc (5) arranged on the opening of the separation box (1), the gas distribution disc (5) comprising a gas channel (7) for supplying gas to a fire cover (6), the gas outlet end of the burner head (4) being communicated with the gas channel (7) at a first edge of the gas distribution disc (5), the first edge being an edge of the gas distribution disc (5) far away from the gas inlet (12); a damper adjusting assembly (8) arranged in the separation box (1) and corresponding to the gas inlet (12) and being connected with the gas inlet end of the ejector pipe (3) arranged in the separation box (1); the ejector pipe (3) comprises an inner ring ejector pipe (31) and an outer ring ejector pipe (32), the gas channel (7) comprises an inner ring gas channel (71) and an outer ring gas channel (72), the burner head (4) comprises an inner ring burner head (41) and an outer ring burner head (42), and the fire cover (6) comprises an inner ring fire cover (61) and an outer ring fire cover (62); the inner ring gas channel (71) is communicated with the inner ring ejector pipe (31) through the inner ring burner head (41) and supplies gas to the inner ring fire cover (61); the outer ring gas channel (72) is communicated with the outer ring ejector pipe (32) through the outer ring burner head (72) and supplies gas to the outer ring fire cover (62); the inner ring ejector pipe (31) is arranged close to the central axis of the separation box (1); the inner ring gas channel (71) extends from the central position of the gas distribution disc (5) to the first edge along the radial direction of the gas distribution disc (5), and the extending direction of the gas outlet end of the inner ring burner head (41) is perpendicular to the extending direction of the inner ring gas channel (71).

2. The updraft range burner according to claim 1, characterized in that The inner ring fire cover (61) comprises a first fire cover part (611) and a second fire cover part (612), the first fire cover part (611) is arranged near the center position of the gas distribution disc (5), and the side surface of the first fire cover part (611) is provided with a plurality of fire holes; one end of the second fire cover part (612) is connected with the first fire cover part (611), the other end of the second fire cover part (612) extends to the first edge and is matched with the inner ring gas passage (71), and no fire hole is arranged on the second fire cover part (612).

3. The updraft range burner of claim 1, wherein The outer ring ejection pipe (32) comprises a first outer ring ejection pipe and a second outer ring ejection pipe, and the first outer ring ejection pipe and the second outer ring ejection pipe are distributed on both sides of the inner ring ejection pipe (31) in the isolation box (1); The outer ring burner head (42) comprises a first outer ring burner head (421) in communication with the first outer ring ejection pipe and a second outer ring burner head (422) in communication with the second outer ring ejection pipe; The gas distribution disc (5) is provided with a first through hole (51), a second through hole (52) and a third through hole (53) at the first edge, the first through hole (51) corresponds to the gas outlet end of the first outer ring burner head (421), the second through hole (52) corresponds to the gas outlet end of the inner ring burner head (41), and the third through hole (53) corresponds to the gas outlet end of the second outer ring burner head (422); An annular cavity (54) extending from the circumferential edge of the gas distribution disc (5) to the center of the gas distribution disc (5) is formed on the gas distribution disc (5), and the first through hole (51) and the third through hole (53) are arranged in the annular cavity (54) and constitute the outer ring gas passage (72); An oval cavity (55) extending from the center position of the gas distribution disc (5) to the second through hole (52) is formed on the gas distribution disc (5), and the second through hole (52) is arranged in the oval cavity (55) and constitutes the inner ring gas passage (71).

4. The updraft range burner of claim 3, wherein The annular cavity (54) comprises a first part (541) and a second part (542), the first part (541) is a part of the annular cavity (54) from the first through hole (51) to the third through hole (53) along a first ring direction, the second part (542) is a part of the annular cavity (54) except the first part (541), and the second through hole (52) is arranged on the first ring direction; The cross section of the first part (541) is smaller than the cross section of the second part (542) at any position.

5. The updraft range burner of claim 1, wherein An air waterproof isolation plate (9) is further included, which is arranged on the opening of the isolation box (1) and located between the gas distribution disc (5) and the isolation box (1); The air waterproof isolation plate (9) is provided with a positioning hole (91) corresponding to the gas outlet end of the burner head (4), and the gas outlet end of the burner head (4) penetrates through the positioning hole (91) and communicates with the gas passage (7) on the gas distribution disc (5).

6. The updraft range burner of claim 5, wherein The air waterproof isolation plate (9) comprises a plate body (92) and a plate eave (93), the plate eave (93) is arranged at the periphery of the plate body (92), and the connection angle between the plate body (92) and the plate eave (93) is obtuse.

7. The updraft range burner of claim 5, wherein The isolation box (1) is provided with a protruding part (14) at the periphery of the opening, the protruding part (14) is higher than a first plane of the stove; the first plane is a plane corresponding to a water tray of the stove.

8. The updraft range burner of claim 1, wherein The air door adjusting assembly (8) comprises an air door fixed piece (81) and an air adjusting assembly (82), the air door fixed piece (81) is connected with the air inlet end of the ejector pipe (3), and the air adjusting assembly (82) corresponds to the ejector pipe (3); The air adjusting assembly (82) comprises an air door shifting piece (821), a spring (822) and a nozzle (823), the air inlet end of the nozzle (823) is connected with the gas inlet (12), the air outlet end of the nozzle (823) sequentially passes through through holes in the spring (822) and the air door shifting piece (821) and is fixed to the corresponding fixed hole (811) of the air door fixed piece (81).

9. An integrated hob, characterized in that The updraft stove burner comprises the updraft stove burner according to any one of claims 1-8.

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