CN217235582U - Combustor and gas stove - Google Patents

Abstract

The utility model relates to a combustor and gas-cooker, include: including nozzle and distributor, the distributor has a fire portion, go out the cyclic annular pipe of fire portion for having a breach or be the coiled pipe that spirals the form, it is equipped with a plurality of fire holes to go out in the fire portion, the nozzle with the inlet end of distributor is connected. The combustor of above-mentioned scheme is used and is equipped in the gas-cooker, and this combustor adopts tubular distributor, has avoided the mode that adopts the splice concatenation to form air cavity and go out fire portion, need not set up air door regulation structure simultaneously, to the diffusion formula combustion mode that can not need primary air to mix, this combustor simple structure, and convenient to use is swift, makes and use cost hangs down.

Description

Combustor and gas stove

Technical Field

The utility model relates to a cooking utensils technical field especially relates to combustor and gas-cooker.

Background

The gas stove is a common kitchen household appliance, is convenient for people to cook food, and provides great convenience for life. The burners of most of gas stoves on the market at present are wide air inlet burners or upper air inlet burners, and their common characteristics are that all need mix primary air, set up air door regulation structure and adjust the proportion of mist in nozzle department, and the burner of this kind of structure all adopts a plurality of splices to form air cavity and play fire department usually. However, for the diffusion type combustion mode without primary air mixing, if the burner is adopted, the damper needs to be closed to avoid air mixing, and the burner structure adopting the splicing piece has complex structure, complex and inconvenient operation and high manufacturing and using cost for the combustion mode without primary air mixing.

SUMMERY OF THE UTILITY MODEL

The utility model provides a first technical problem provide a combustor that is fit for diffusion formula combustion method, its simple structure, and convenient to use is swift, and is with low costs.

The second technical problem solved by the present invention is to provide a gas stove, which does not require primary air premixing, has a simple structure, is convenient and fast to use, and has a low cost.

The first technical problem is solved by the following technical scheme:

a burner, comprising:

including nozzle and distributor, the distributor has a fire portion, go out the coiled pipe of fire portion for the ring-shaped pipe that has a breach or be the form of spiraling, it is equipped with a plurality of fire holes on the fire portion to go out, the nozzle with the inlet end of distributor is connected.

The combustor, compare produced beneficial effect with the background art:

the combustor of above-mentioned scheme is used and is equipped in the gas-cooker, and this combustor adopts tubular distributor, has avoided the mode that adopts the splice concatenation to form the air cavity and has gone out fire portion, need not set up air door regulation structure simultaneously, to the diffusion formula combustion mode that can not need primary air to mix, this combustor simple structure, and convenient to use is swift, makes and use cost hangs down.

In one embodiment, the fire distributor is further provided with an air transfer part, the air transfer part is tubular, one end of the air transfer part is connected with the nozzle, and the other end of the air transfer part is connected with the air inlet end of the fire outlet part.

In one embodiment, the burner further comprises a base, an air inlet portion is arranged on the base, an air inlet channel communicated with an air source is arranged in the air inlet portion, and the nozzle is fixedly connected to the air inlet portion and communicated with the air inlet channel.

In one embodiment, one end of the nozzle is fixedly connected with the air transfer part in a threaded connection mode, and the other end of the nozzle is fixedly connected with the air inlet part in a threaded connection mode.

In one embodiment, a plurality of the fire holes are arranged side by side at intervals along the outer wall of the fire outlet part, and the diameter d1 of the fire holes ranges from: d1 is not less than 0.4mm and not more than 0.8 mm.

In one embodiment, the fire holes are arranged in at least two rows, and the at least two rows of fire holes are arranged at intervals along the outer wall of the fire outlet part.

In one embodiment, the nozzle comprises a spraying end, a plurality of spraying holes are formed in the end face of the spraying end, and the diameter d2 of each spraying hole is less than or equal to 0.8 mm.

In one embodiment, the distributor is provided with two and is central distributor and outer ring distributor respectively, the nozzle be provided with two and with central distributor with outer ring distributor one-to-one is connected, the play fire portion of outer ring distributor is around locating the periphery of the play fire portion of central distributor.

In one embodiment, the gas transfer part and the fire outlet part are of an integral structure.

The second technical problem is solved by the following technical solutions:

a gas burner comprising a burner as described above.

Gas-cooker, compare produced beneficial effect with the background art:

when a user uses the gas stove, the gas inlets of the first central nozzle and the second central nozzle are respectively connected with different gas sources, so that combustion gas can directly flow into the outer ring distributor through the first central nozzle and flow into the central distributor through the second central nozzle; the burning gas can be further sprayed out through the outer ring fire outlet and the central fire outlet and ignited by the igniter to burn, and the gas stove can work normally. The combustor of this scheme can realize getting into the distributor from central nozzle and directly from going out the fire hole blowout burning, and overall structure constitutes simply, has saved air door regulation structure, and has stopped that primary air mixes in advance, and convenient to use is swift, makes and use cost hangs down.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.

FIG. 1 is a schematic view of a combustor according to an embodiment of the present application;

FIG. 2 is a schematic view of a combustor according to another embodiment of the present application;

FIG. 3 is a schematic view of a first center nozzle of the present application;

FIG. 4 is a cross-sectional view of the shaft of FIG. 3;

fig. 5 is a top view structural diagram of fig. 3.

Reference numerals are as follows:

100. a burner; 10. a first central nozzle; 11. an air inlet end; 12. a spray end; 121. an injection hole; 13. a flow distribution plate; 131. a shunt hole; 20. a second central nozzle; 30. an outer ring fire divider; 31. an outer ring fire outlet; 32. an outer ring gas transmission pipe section; 33. an outer ring combustion pipe section; 40. a central fire distributor; 41. a central fire outlet; 42. a central gas transfer pipe section; 43. a central combustion tube section; 50. a base; 60. an igniter.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from those described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not to be limited to the specific embodiments disclosed below.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The embodiment of the application provides a gas stove, which can be specifically a gas device using liquefied petroleum gas or natural gas as a gas source. When the gas stove works, combustion gas enters the stove, enters the stove head after being regulated by the gas valve knob, and is mixed with a part of air to form mixed gas (the mixed air is called as primary air), and the mixed gas is sprayed out of fire holes of the distributor and is ignited by the ignition device to form flame.

The direct performing component of the gas range for burning gas is a burner 100. The burner 100 ignites the gas to generate a stable and persistent flame, so that a pot placed above the burner can be heated to cook food.

As shown in fig. 1 and fig. 2, a burner 100 shown for an embodiment of the present application includes a nozzle and a distributor, the distributor has a fire outlet portion, the fire outlet portion is a circular tube with a gap or a spiral tube with a spiral shape, the fire outlet portion is provided with a plurality of fire outlet holes, and the nozzle is connected to an air inlet end of the distributor. The combustor of above-mentioned scheme is used and is equipped in the gas-cooker, and this combustor adopts tubular distributor, has avoided the mode that adopts the splice concatenation to form air cavity and go out fire portion, need not set up air door regulation structure simultaneously, to the diffusion formula combustion mode that can not need primary air to mix, this combustor simple structure, and convenient to use is swift, makes and use cost hangs down.

The distributor still has gas transmission portion in this embodiment, gas transmission portion is the tubulose, gas transmission portion's one end and nozzle are connected, and the other end is connected with the inlet end that goes out fire portion. The gas portion of passing during operation can be with the steady orderly transport of combustion gas to the portion of putting out a fire, guarantees the portion of putting out a goods combustion flame stable. Specifically, pass gas portion in this embodiment and be the bending structure or have arc transition portion, combustion gas flows and takes place the diversion in passing gas portion to can slow down the flow velocity that combustion gas got into the portion of firing.

In some embodiments, the burner further includes a base 50, the base 50 is provided with an air inlet portion, an air inlet channel communicated with an air source is arranged in the air inlet portion, and the nozzle is fixedly connected to the air inlet portion and is communicated with the air inlet channel. Therefore, the combustion gas flowing out from the gas source flows into the nozzle through the gas inlet channel of the gas inlet part during working and finally continuously and stably flows into the distributor, the connection mode and the gas supply mode are simple, the flow path of the combustion gas is short, and the gas supply efficiency is high.

In some embodiments, one end of the nozzle is fixedly connected with the air transfer part in a threaded manner, and the other end of the nozzle is fixedly connected with the air inlet part in a threaded manner. The threaded connection structure has high strength, convenient assembly and disassembly and better air tightness.

A plurality of go out the fire hole and follow the outer wall interval of going out fire portion sets up side by side, the scope of the diameter d1 of going out the fire hole is: d1 is not less than 0.4mm and not more than 0.8 mm. When the aperture of the fire outlet hole is too large, flame is easy to return to the pipeline after ignition to cause explosion of the pipeline. When the aperture of the fire hole is too small, the combustion efficiency is affected.

Preferably, the gas transmission part and the fire outlet part are of an integral structure. The joint strength is high, and reducible spare part quantity promotes the combustor and uses the reliability.

Specifically, the distributor is equipped with two, and is outer loop distributor 30 and central distributor 40 respectively, the nozzle is equipped with two, is first central nozzle 10 and second central nozzle 20 respectively, two nozzles and with central distributor 30 with outer loop distributor 40 one-to-one is connected.

The air inlets of the first central nozzle 10 and the second central nozzle 20 are adapted to be connected to an air supply. Specifically, the first center nozzle 10 and the second center nozzle 20 are connected to different gas sources through gas pipes. An air valve is arranged in the air pipe, and the air valve can be operated to adjust the flow of the fuel gas conveyed to the first central nozzle 10 and the second central nozzle 20 or control the fuel gas on-off so as to meet different use working conditions. In addition, the proper flow of the fuel gas delivered to the outer ring flame divider 30 and the central flame divider 40 can be ensured, and the phenomenon that the dynamic balance condition of combustion is destroyed and the backfire phenomenon occurs due to the fact that the flame root is drilled into the fire hole for combustion and accompanied by puff and puff deflagration sound and noise when the speed of the combustion gas leaving the fire hole is lower than the combustion speed can be avoided.

The outer ring distributor 30 is connected with the air outlet of the first central nozzle 10, and the outer ring distributor 30 is provided with an outer ring fire outlet 31; the central distributor 40 is connected with the air outlet of the second central nozzle 20, and the central distributor 40 is provided with a central fire outlet 41.

Heat transfer fin, compare produced beneficial effect with the background art:

the burner 100 of the above solution is applied to a gas stove, when a user uses the gas stove, the air inlets of the first center nozzle 10 and the second center nozzle 20 are respectively connected to different air sources, so that the combustion gas can directly flow into the outer ring distributor 30 through the first center nozzle 10 and into the center distributor 40 through the second center nozzle 20; then, the combustion gas can be further ejected through the outer ring fire outlet 31 and the central fire outlet 41 and ignited by the igniter 60 for combustion, and the gas stove can normally work. The combustor 100 of the scheme can realize the combustion of entering the distributor from the central nozzle and directly spraying from the fire outlet, has simple integral structure, saves an air door adjusting structure, avoids primary air premixing, is convenient and quick to use, and has low manufacturing and use costs.

With continued reference to fig. 1 and 2, based on the above embodiment, the burner 100 further includes an igniter 60, the outer ring distributor 30 and the central distributor 40 are both mounted on the base 50, and the igniter 60 is mounted on the base 50 and disposed adjacent to the central distributor 40. The base 50 is used for loading and fixing the outer ring distributor 30, the center distributor 40 and the igniter 60, and ensures structural strength and structural compactness. The igniter 60 serves to ignite the combustion gas ejected from the outer ring fire holes 31 and the center fire hole 41. For example, the igniter 60 may be any one of an electronic pulse igniter, an electronic high-frequency high-voltage igniter, and the like.

In some embodiments, the outer ring fire outlet holes 31 are provided in a plurality, and the plurality of outer ring fire outlet holes 31 are arranged side by side at intervals along the extending direction of the outer ring distributor 30. The central fire hole 41 is provided in a plurality, and the central fire holes 41 are arranged side by side at intervals along the extending direction of the central fire distributor 40. A plurality of outer ring fire outlets 31 and a plurality of center fire outlets 41 are arranged side by side along the extending direction of the outer ring fire distributor 30 and the center fire distributor 40 at intervals, so that the fire area can be increased, the flame is uniformly distributed, and the combustion and heating efficiency is improved.

The shape of the outer ring fire outlet 31 and the central fire outlet 41 may be any one of a circle, a square, a triangle, and the like, and may be selected according to actual needs.

With continued reference to fig. 1 and fig. 2, further, on the basis of the above embodiment, the outer ring fire distributor 30 includes at least two rows of the outer ring fire outlet holes 31, and the at least two rows of the outer ring fire outlet holes 31 are arranged at intervals along the circumferential direction of the outer ring fire distributor 30. The central fire distributor 40 comprises at least two rows of the central fire outlet holes 41, and the at least two rows of the central fire outlet holes 41 are arranged at intervals along the circumferential direction of the central fire distributor 40.

Specifically, at least two rows of outer ring fire outlets 31 and at least two rows of central fire outlets 41 are respectively formed on the tube wall parts of the upper surfaces of the outer ring fire distributor 30 and the central fire distributor 40, and the tube wall parts directly face the pot to be heated above, so that the heating effect is ensured. In addition, the power of a single fire outlet can be effectively reduced due to the structural design of the multiple fire outlet holes, so that the dependence on secondary air is reduced.

In some embodiments, the outer ring distributor 30 and the central distributor 40 are each provided as a helical tubular structure. The fire outlet portion of the outer ring distributor 30 is arranged around the outer circumference of the fire outlet portion of the central distributor 40. Compared with the traditional disc type fire distributor, the outer ring fire distributor 30 and the central fire distributor 40 which adopt the spiral tubular structure are made of fewer materials, the cost is lower, more fire outlet holes can be machined, the fire outlet area is increased, and the combustion efficiency is improved.

Specifically, the outer ring distributor 30 and the center distributor 40 may be any one of a square shape, a circular shape, an oval shape, and the like, and may be selected according to actual needs. For example, the outer ring distributor 30 and the center distributor 40 of the single tube square configuration and the single tube circular configuration are shown in fig. 1 and 2 in this embodiment.

Further, the outer ring distributor 30 and the center distributor 40 in other embodiments may be nested in a double tube or even multiple tubes.

Furthermore, on the basis of any of the above embodiments, the air outlets of the first center nozzle 10 and the second center nozzle 20 are provided with a first thread structure, and the outer ring distributor 30 and the center distributor 40 are provided with a second thread structure, which is screwed with the first thread structure. The threaded structure is adopted for assembly, so that the connection mode of the first central nozzle 10 and the outer ring distributor 30 and the connection mode of the second central nozzle 20 and the central distributor 40 are simple, the connection strength is high, the assembly and disassembly are convenient and quick, and meanwhile, the threaded structure has better sealing performance, so that safety accidents caused by the leakage of combustion gas can be prevented.

Further, sealing rings may be added between the first center nozzle 10 and the outer ring distributor 30 and between the second center nozzle 20 and the center distributor 40 to improve the sealing level and reliability.

Or in other embodiments, the first center nozzle 10 and the outer ring distributor 30 and the second center nozzle 20 and the center distributor 40 may be assembled and fixed by any one of a snap connection, a nested insertion, a magnetic attraction connection, and the like, which is selected according to actual needs.

With continued reference to fig. 1 and fig. 2, in some embodiments, the outer ring distributor 30 includes an outer ring gas pipe section 32 and an outer ring combustion pipe section 33 connected and communicated with each other, the outer ring gas pipe section 32 is disposed in a curved structure, and the outer ring fire outlet 31 is formed on the outer ring combustion pipe section 33. In still other embodiments, the central distributor 40 comprises a central gas pipe section 42 and a central combustion pipe section 43 which are connected and communicated, the central gas pipe section 42 is arranged in a bent structure, and the central fire outlet 41 is formed on the central combustion pipe section 43; wherein the outer ring combustion pipe section 33 and the central combustion pipe section 43 are in the same horizontal plane.

The outer ring gas transmission pipe section 32 is used for realizing the communication and gas supply of the first center nozzle 10 and the outer ring combustion pipe section 33, and the center gas transmission pipe section 42 is used for realizing the communication and gas supply of the second center nozzle 20 and the center combustion pipe section 43, so that the outer ring fire outlet holes 31 and the center fire outlet holes 41 can spray continuous and stable flames. The outer ring gas transmission pipe and the center gas transmission pipe which are arranged in a bent structure can upwards support the outer ring combustion pipe section 33 and the center combustion pipe section 43, so that the outer ring fire outlet hole 31 and the center fire outlet hole 41 are far away from the first center nozzle 10 and the second center nozzle 20, the potential safety hazard caused by too close distance is avoided, the outer ring fire outlet hole 31 and the center fire outlet hole 41 can be closer to a pot to be heated above the pot to be heated, and the heating efficiency is improved. And because the outer ring combustion pipe section 33 and the central combustion pipe section 43 are positioned in the same horizontal plane, the heating flame can be uniformly distributed in the plane.

It will be appreciated that the outer annular gas transfer duct section 32 and the central gas transfer duct section 42 are described above as the gas transfer section, and that the outer annular combustion duct section 33 and the central combustion duct section 43 are described above as the flame exit section.

With reference to fig. 3 to 5, in addition to any of the above embodiments, the nozzles are respectively a first central nozzle 10 and a second central nozzle 20, the first central nozzle 10 and the second central nozzle 20 both include a spraying end 12, an end surface of the spraying end 12 is provided with a plurality of spraying holes 11, and a diameter d2 of each spraying hole 11 is not greater than 0.8 mm. So can avoid the gas flow to exceed rated flow, avoid burning flame to appear the yellow fire phenomenon. The number and size of the injection holes 11 are determined according to the magnitude of the thermal load. For example, six injection holes 11 are provided in the present embodiment, and the hole diameter is 0.7 mm.

The first central nozzle 10 and the second central nozzle 20 of the present embodiment are designed to have a columnar structure. The two ends of which are an air inlet end 11 and an injection end 12, respectively. The inlet end 11 is formed with an air inlet to facilitate the flow of combustion gases into the nozzle interior. The interiors of the first and second center nozzles 10 and 20 are formed with hollow cavities for the combustion gas to flow through. The middle section inner wall of well cavity is protruding to be equipped with flow distribution plate 13, and flow distribution plate 13 has seted up the reposition of redundant personnel hole 131 that runs through, and combustion gas can be evenly shunted when flowing through flow distribution plate 13, and the air current that guarantees to flow to jet orifice 11 department is even, guarantees that combustion flame is even stable.

In addition, the outer annular walls of the middle sections of the first center nozzle 10 and the second center nozzle 20 are provided with flat surface portions to facilitate screwing or unscrewing operations.

In some embodiments, the diameter ranges of the outer ring fire holes 31 and the central fire holes 41 are: 0.4 mm-0.8 mm. So, guaranteeing that the air feed is sufficient, the combustion effect is good in addition, can also avoid the outer ring to go out the diameter of fire hole 31 and center fire hole 41 too big and the phenomenon of tempering appears.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a combustor (100), its characterized in that, includes nozzle and distributor, the distributor has a fire portion, go out the looped pipeline of fire portion for having a breach or be the coiled pipe that spirals the form, it is equipped with a plurality of fire holes in the fire portion to go out, the nozzle with the inlet end of distributor is connected.

2. The burner (100) of claim 1, wherein the distributor further comprises a gas transfer section having a tubular shape, the gas transfer section having one end connected to the nozzle and another end connected to the gas inlet end of the fire outlet section.

3. The burner (100) of claim 2, wherein the burner (100) further comprises a base (50), the base is provided with an air inlet portion, an air inlet channel communicated with an air source is arranged in the air inlet portion, and the nozzle is fixedly connected to the air inlet portion and communicated with the air inlet channel.

4. The burner (100) of claim 3, wherein one end of the nozzle is fixedly connected to the gas transfer portion by a threaded connection, and the other end of the nozzle is fixedly connected to the gas inlet portion by a threaded connection.

5. The burner (100) of claim 1, wherein a plurality of the fire holes are spaced side by side along an outer wall of the fire exit portion, the fire holes having a diameter d1 in a range of: d1 is not less than 0.4mm and not more than 0.8 mm.

6. The burner (100) of claim 2, wherein the fire holes are arranged in at least two rows, the at least two rows being spaced apart along an outer wall of the fire exit portion.

7. The burner (100) of claim 1, wherein the nozzle comprises a jet end (12), a plurality of jet holes (121) are formed in an end surface of the jet end (12), and the diameter d2 of the jet holes (121) is less than or equal to 0.8 mm.

8. The burner (100) according to any of the claims 2 to 7, wherein there are two distributors, namely a central distributor (40) and an outer ring distributor (30), and the nozzles are provided with two nozzles and are connected with the central distributor (40) and the outer ring distributor (30) in a one-to-one correspondence, and the fire outlet of the outer ring distributor (30) is arranged around the periphery of the fire outlet of the central distributor (40).

9. The burner (100) of claim 2, wherein the gas transfer portion is of unitary construction with the flame exit portion.

10. A gas burner, characterized in that it comprises a burner (100) according to any one of claims 1 to 9.

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