CN209042379U

CN209042379U - Fire cover component, burner and gas-cooker

Info

Publication number: CN209042379U
Application number: CN201821652872.6U
Authority: CN
Inventors: 唐松茂; 马朝阳; 张炳卫
Original assignee: Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Current assignee: Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Priority date: 2018-10-11
Filing date: 2018-10-11
Publication date: 2019-06-28
Anticipated expiration: 2028-10-11

Abstract

The utility model discloses a kind of fire cover component, burner and gas-cooker, the fire cover component includes outer fire cover and inner fire cover, the outer fire cover is arranged in a ring, there is outer protrusion between the inner periphery and neighboring of the outer fire cover, the outer protrusion laterally goes out fiery side from the air inlet of the outer fire cover and protrudes, to form external combustion space in the air inlet side of the outer fire cover, the outer protrusion offers outer fire output hole；The inner fire cover is set to the inside of the outer fire cover, the middle part of the inner fire cover has interior protrusion, the interior protrusion laterally goes out fiery side from the air inlet of the inner fire cover and protrudes, and to form internal combustion space in the air inlet side of the inner fire cover, the interior protrusion is equipped with interior fire output hole.Technical solutions of the utility model reduce the height of fire cover component, advantageously reduce the whole height of burner, to save space.

Description

Fire cover component, burner and gas-cooker

Technical field

The utility model relates to gas-cooker technical field, in particular to a kind of fire cover component, burner and gas-cooker.

Background technique

With being constantly progressive for society, the development of gas-cooker industry is also constantly improve, gas-cooker product due to its it is economical at This is cheap, highly-safe and is widely recognized as by people.Gas-cooker is usually by air supply system, combustion system, control system, point Fiery system and other component composition, wherein combustion system is primarily referred to as burner, and burner includes the components such as burner and fire cover. For traditional atmospheric gas stove, in order to guarantee the full combustion of combustion gas, the height of burner is usually higher, in turn To guarantee to there are enough auxiliary airs to supplement.Since the whole height of burner is larger, and then lead to the spatial volume of gas-cooker It is larger, and then limit the application of gas-cooker.

Utility model content

The main purpose of the utility model is to propose a kind of fire cover component, is used for burner, it is intended to reduce the whole of burner Body height.

To achieve the above object, the utility model proposes fire cover component include:

Outer fire cover is arranged in a ring, has outer protrusion between the inner periphery and neighboring of the outer fire cover, described Outer protrusion laterally goes out fiery side from the air inlet of the outer fire cover and protrudes, to form external combustion space in the air inlet side of the outer fire cover, The outer protrusion offers outer fire output hole；And

Inner fire cover, set on the inside of the outer fire cover, the middle part of the inner fire cover has interior protrusion, the interior protrusion Laterally go out fiery side from the air inlet of the inner fire cover to protrude, it is described interior grand to form internal combustion space in the air inlet side of the inner fire cover The portion of rising is equipped with interior fire output hole.

Preferably, on from the neighboring of the outer fire cover towards the direction of inner circumference edge, the outer protrusion it is convex Height is arranged in a manner of being first gradually increased, gradually decreasing again out.

Preferably, the outer fire output hole is equipped with multiple, spaced radial point of multiple outer fire output holes along the outer fire cover Cloth, so that multiple outer fire output holes are arranged in the position of the different height of the outer protrusion.

The outer fire output hole being preferably located on the protrusion height of the same outer protrusion is provided with multiple, and edge The circumferentially-spaced arrangement of the outer fire cover.

Preferably, the protrusion height of the interior protrusion is circumferentially gradually increased towards middle part along the four of the inner fire cover.

Preferably, the interior fire output hole is equipped with multiple, and multiple interior fire output holes are four circumferential in along the inner fire cover Portion direction arrangement, so that multiple interior fire output holes are arranged in the position of the different height of the interior protrusion.

The interior fire output hole being preferably located on the protrusion height of the same interior protrusion is provided with multiple, and edge The circumferentially-spaced arrangement of the inner fire cover.

Preferably, the protrusion height of the interior protrusion is less than or equal to 20 millimeters；And/or

The protrusion height of the outer protrusion is less than or equal to 10 millimeters.

Preferably, the hole depth value of the interior fire output hole is 3 millimeters to 5 millimeters；And/or

The hole depth value of the outer fire output hole is 3 millimeters to 5 millimeters.

Preferably, the inner fire cover and the outer fire cover are set in distance radially, and the fire cover component further includes ring Connecting plate between the inner fire cover and the outer fire cover.

Preferably, the interior protrusion is also provided with flash hole, and the flash hole closes on the connecting plate setting, the company The position that the flash hole is corresponded on fishplate bar is equipped with ignition electrode via hole and/or inductive needle via hole.

Preferably, the root of the interior protrusion is equipped with intermediate incline, and the intermediate incline is from the top of the inner fire cover Extend to the connecting plate direction；

The flash hole is opened on the intermediate incline.

Preferably, circumferential annular in shape setting of the intermediate incline along the inner fire cover.

Preferably, the hole depth direction of the flash hole is vertical with the intermediate incline.

Preferably, the inner fire cover is in be wholely set with the connecting plate；And/or

The outer fire cover is in be wholely set with the connecting plate.

The utility model also proposes a kind of burner, is used for gas-cooker, the burner includes burner and fire cover component, institute Stating fire cover component includes outer fire cover and inner fire cover；

The outer fire cover is arranged in a ring, has outer protrusion between the inner periphery and neighboring of the outer fire cover, The outer protrusion laterally goes out fiery side from the air inlet of the outer fire cover and protrudes, empty to form external combustion in the air inlet side of the outer fire cover Between, the outer protrusion offers outer fire output hole；The inner fire cover is set to the inside of the outer fire cover, the middle part of the inner fire cover With interior protrusion, the interior protrusion laterally goes out fiery side from the air inlet of the inner fire cover and protrudes, with the inner fire cover into Gas side forms internal combustion space, and the interior protrusion is equipped with interior fire output hole；

The burner has mutually independent outer gas chamber and interior gas chamber, and the outer gas chamber is located on the interior combustion gas The outside of chamber, the external combustion space of the fire cover component are connected to the outer gas chamber, the internal combustion space of the fire cover component and institute State interior gas chamber connection.

Preferably, the burner includes chassis and the first annular flange extended upward from the chassis, the second convex annular Edge and third annular flange, the first annular flange, the second annular flange and third annular flange are in successively radially outward It is intervally arranged, the first annular flange constitutes the interior gas chamber open upward, the first annular flange and described two Heat-insulation chamber is constituted between annular flange, and institute open upward is constituted between second annular flange and the third annular flange State outer gas chamber；

The inner fire cover of the fire cover component is covered on the opening of the interior gas chamber, and the outer fire cover lid of the fire cover component closes In the opening of the outer gas chamber.

Preferably, the air inlet side of the inner fire cover is abutted with the first annular flange seal, the air inlet of the outer fire cover Side is sealed against with second annular flange and third annular flange respectively.

Preferably, the burner further includes that the interior ejector pipe being connected to the interior gas chamber and the outer gas chamber connect The outer ejector pipe of logical people, in which:

The diameter value of the outer ejector pipe is 13 millimeters to 17 millimeters；And/or

The diameter value of the interior ejector pipe is 8 millimeters to 12 millimeters.

The utility model also proposes that a kind of gas-cooker, including burner, the burner include burner and fire cover component, institute Stating fire cover component includes outer fire cover and inner fire cover；

Technical solutions of the utility model have by using inner fire cover towards the interior protrusion protruded above, in the downside of inner fire cover The internal combustion space being recessed upward is formed, interior fire output hole is arranged on above-mentioned interior protrusion, so that internal combustion space and fiery side out It is connected to by interior fire output hole；Outer fire cover has towards the outer protrusion protruded above, and in the downside of outer fire cover, formation is recessed outer upward Space is fired, outer fire output hole is arranged on above-mentioned outer protrusion, so that external combustion space is connected to fiery side out by outer fire output hole； For outer fire cover, outer fire output hole is formed on outer protrusion, and outer protrusion is convexly equipped in the upper surface of outer fire cover, in turn The outer fire output hole of outer fire cover is entirely located in the upper surface (namely going out fiery side) of outer fire cover.And for the peripheral wall surfaces of outer fire cover and Speech, due to itself and not set outgoing fire hole, and then can reduce the axial height of the peripheral wall surfaces of outer fire cover, so that the entirety of outer fire cover Height reduces；Similarly, for inner fire cover, interior fire output hole is formed on interior protrusion, and interior protrusion is convexly equipped in endogenous fire The upper surface of lid, and then the interior fire output hole of inner fire cover is entirely located in the upper surface (namely going out fiery side) of inner fire cover.And for interior For the periphery wall of fire cover, due to itself and not set interior fire output hole, and then the axial height of the periphery wall of inner fire cover can be reduced, made The whole height for obtaining inner fire cover reduces.In this way, the whole height of the fire cover component of this programme is smaller, the whole of fire cover component is realized Body structure is opposed flattened, can be conducive to save space.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the structural schematic diagram of one embodiment of the utility model burner；

Structural schematic diagram of the Fig. 2 for burner in Fig. 1 at another visual angle；

Fig. 3 is the structural schematic diagram of the burner of burner in Fig. 1；

Fig. 4 is the schematic diagram of internal structure of burner in Fig. 1；

Fig. 5 is the structural schematic diagram of the fire cover component of burner in Fig. 1；

Fig. 6 is the structural schematic diagram at another visual angle of Fig. 5 moderate heat cap assemblies；

Fig. 7 is the structural schematic diagram of another embodiment of the utility model burner；

Fig. 8 is the structural schematic diagram of the burner of burner in Fig. 7；

Fig. 9 is the explosive view of burner in Fig. 7；

Figure 10 is the structural schematic diagram of the outer fire cover of burner in Fig. 7；

Figure 11 is the structural schematic diagram at another visual angle of outer fire cover in Figure 10；

Figure 12 is the structural schematic diagram at the another visual angle of outer fire cover in Figure 10；

Figure 13 is the cross-sectional view in Figure 12 along P-P line；

Figure 14 is the structural schematic diagram of the outer fire output hole of outer fire cover in Figure 12；

Figure 15 is the partial enlarged view in Figure 13 at A；

Figure 16 is the structural schematic diagram of the inner fire cover of burner in Fig. 7；

Figure 17 is the structural schematic diagram at another visual angle of inner fire cover in Figure 16；

Figure 18 is the structural schematic diagram of the another embodiment of the utility model burner；

Figure 19 is the explosive view of burner in Figure 18；

Figure 20 is the structural schematic diagram of the burner of burner in Figure 18；

Figure 21 is the structural schematic diagram of the fire cover component of burner in Figure 18；

Figure 22 is the decomposition diagram of the fire cover component of burner in Figure 18；

Figure 23 is the schematic diagram of internal structure of burner in Figure 18；

Figure 24 is the inner fire cover of Figure 21 moderate heat cap assemblies and the structural schematic diagram of connecting plate；

Figure 25 is the structural schematic diagram of the inner fire cover of Figure 24 moderate heat cap assemblies and another visual angle of connecting plate；

Figure 26 is the structural schematic diagram of the outer fire cover of Figure 21 moderate heat cap assemblies；

Figure 27 is the structural schematic diagram of the outer fire cover of Figure 26 moderate heat cap assemblies；

Figure 28 is the structural schematic diagram of the utility model burner another embodiment；

Figure 29 is the structural schematic diagram of the burner of burner in Figure 28；

Figure 30 is the explosive view of burner in Figure 28；

Figure 31 is the structural schematic diagram of the fire cover component of burner in Figure 28；

Figure 32 is the structural schematic diagram at another visual angle of Figure 31 moderate heat cap assemblies；

Figure 33 is the structural schematic diagram at the another visual angle of Figure 31 moderate heat cap assemblies；

Figure 34 is the structural schematic diagram at another visual angle of Figure 31 moderate heat cap assemblies；

Figure 35 is the structural schematic diagram of the another preferred embodiment of the fire cover component of burner in Figure 28；

Figure 36 is the structural schematic diagram of the another embodiment of the fire cover component of burner in Figure 28；

Figure 37 is the schematic diagram of internal structure of the fire cover component of burner in Figure 28；

Figure 38 is the cross-sectional view of the M-M line along Figure 37；

Figure 39 is the structural schematic diagram of the air supply passage of Figure 31 moderate heat cap assemblies.

Drawing reference numeral explanation:

Label	Title	Label	Title
				1	Burner	210b	In go out flame range domain
2	Fire cover component	210c	Interior flame range domain out
				3	Outer ejector pipe	211	Outer protrusion
4	Interior ejector pipe	212	Outer fire output hole
				5	Air regulating board	213	External combustion space
6	Primary air air inlet	214	Air supply passage
				7	Burner	214a	Inlet channel
100	Chassis	214b	Outlet passageway
				110	Interior gas chamber	214c	Tonifying Qi hole
120	Outer gas chamber	214d	Tonifying Qi annular groove
				130	Heat-insulation chamber	215	Rib
140	Tonifying Qi chamber	216	Second defining flange
				150	Tonifying Qi import	221	Interior protrusion
160	Ignition electrode mounting hole	222	Interior fire output hole
				170	Inductive needle mounting hole	223	Internal combustion space
210	Outer fire cover	224	Flash hole
				220	Inner fire cover	225	Intermediate incline
230	Connecting plate	226	First defining flange
				240	Tonifying Qi gap	231	Tonifying Qi opening
101	First annular flange	232	Interior gas supplementing opening
				102	Second annular flange	233	Outer gas supplementing opening
103	Third annular flange	234	Ignition electrode via hole
				210a	Outgoing flame range domain	235	Inductive needle via hole

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture) Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.

In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve The combination of case is not present, also not within the protection scope of the requires of the utility model.

The utility model proposes a kind of fire cover components, are used for burner.Burner is the core in the combustion system of gas-cooker Center portion part, gas-cooker further include panel and pan bracket, and panel has through-hole, and pan bracket is mounted on the upside of panel and corresponding through-hole Setting, burner is located at the lower section of panel, and the fire cover of burner can appear from through hole, so that the flame that burner generates It can be heated at the center of pan bracket.Wherein, burner mainly includes fire cover and burner, wherein burner has gas chamber, fire cover Component is mounted on burner, and burner has gas chamber, and the air inlet side of fire cover component is connected to gas chamber, and the combustion gas in gas chamber is logical The fire output hole to over-fire on cap assemblies sprays burning.

In order to reduce the whole height of burner in gas-cooker, the utility model improves fire cover component, proposes A kind of scheme of pure flat fire cover component, compared with existing fire cover, the whole height of the fire cover component of this programme is smaller, realizes fire The overall structure of cap assemblies is opposed flattened, in favor of saving space.In order to enable combustion gas further full combustion, by changing Tonifying Qi opening for auxiliary air supplement, tonifying Qi are set into the arrangement mode of the fire output hole of fire cover component, on fire cover component The modes such as gap and air supply passage so that combustion gas and air carry out it is secondary mix, to reach combustion gas full combustion, reduce burning The effect of the combustion gas and raising efficiency of combustion that generate in the process.

Below with reference to Fig. 1 to Fig. 6, in the scheme of pure flat fire cover component 2, the structure of improved fire cover component 2 is done To illustrate:

Fire cover component 2 specifically includes outer fire cover 210 and inner fire cover 220, in which:

The outer fire cover 210 is arranged in a ring, has between the inner periphery and neighboring of the outer fire cover 210 outer grand Portion 211 is played, the outer protrusion 211 laterally goes out fiery side from the air inlet of the outer fire cover 210 and protrudes, in the outer fire cover 210 Air inlet side form external combustion space 213, the outer protrusion 211 offers outer fire output hole 212；

The inner fire cover 220 is set to the inside of the outer fire cover 210, and the middle part of the inner fire cover 220 has interior protrusion 221, the interior protrusion 221 laterally goes out fiery side from the air inlet of the inner fire cover 220 and protrudes, with the inner fire cover 220 into Gas side forms internal combustion space 223, and the interior protrusion 221 is equipped with interior fire output hole 222.

It is understood that outer fire cover 210 has along axial in the air inlet side being oppositely arranged and fiery side out, outer fire output hole The air inlet side of 212 perforation outer fire covers 210 and out fiery side, so that the combustion gas of 210 air inlet side of outer fire cover can pass through outer fire output hole 212 Fiery side is ejected to out to burn.Outer fire cover 210 is usually to be horizontally arranged, and fiery side is arranged air inlet side downward downward, out, outside Fire cover 210 has towards the outer protrusion 211 protruded above, in this way, form the external combustion being recessed upward in the downside of outer fire cover 210 Space 213, the outer setting of fire output hole 212 is on above-mentioned outer protrusion 211, so that external combustion space 213 is with fiery side out outside Fire output hole 212 is connected to.

Inner fire cover 220 has in the air inlet side that is oppositely arranged and goes out fiery side, interior fire output hole 222 penetrate through inner fire cover 220 into Gas side and out fiery side are fired so that the combustion gas of 220 air inlet side of inner fire cover can be ejected to out fiery side by interior fire output hole 222 It burns.Inner fire cover 220 is usually to be horizontally arranged, and fiery side is arranged air inlet side downward downward, out, and inner fire cover 220 has towards convex Interior protrusion 221 out, in this way, form the internal combustion space 223 being recessed upward, interior fire output hole in the downside of inner fire cover 220 222 are arranged on above-mentioned interior protrusion 221, so that internal combustion space 223 is connected to fiery side out by interior fire output hole 222.

Above-mentioned fire cover component 2 is mounted on burner 1, and burner 1 has in the outer gas chamber 120 and internal combustion being arranged independently of each other Air cavity 110, outer 120 ring of gas chamber are located at the outside of interior gas chamber 110, in which: the corresponding outer gas chamber 120 of outer fire cover 210 is installed In on burner 1, the external combustion space 213 of outer fire cover 210 is connected to outer gas chamber 120, so that the combustion gas in outer gas chamber 120 is first Into external combustion space 213, burning is then sprayed by outer fire output hole 212；Gas chamber 110 is installed on furnace in inner fire cover 220 is corresponding On first 1, the internal combustion space 223 of inner fire cover 220 is connected to interior gas chamber 110, so that the combustion gas in interior gas chamber 110 is introduced into Then internal combustion space 223 sprays burning by interior fire output hole 222.It should be noted that since outer fire cover 210 has external combustion empty Between 213, fuel gas flow in outer gas chamber 120 can be made to carry out current stabilization by external combustion space 213, may make combustion gas more uniformly It is sprayed and is burnt by outer fire output hole 212, reduced outer fire cover 210 and probability from flame phenomenon occurs, ensured the normal combustion of combustion gas It burns；Similarly, inner fire cover 220 has internal combustion space 223, can make fuel gas flow in interior gas chamber 110 by internal combustion space 223 into Row current stabilization may make combustion gas more uniformly to pass through interior fire output hole 222 and spray burning, reduces inner fire cover 220 and occurs to show from flame The probability of elephant has ensured the normal combustion of combustion gas.

It is worth noting that outer fire output hole 212 is formed on outer protrusion 211, and outer for outer fire cover 210 Protrusion 211 is convexly equipped in the upper surface of outer fire cover 210, and then the outer fire output hole 212 of outer fire cover 210 is entirely located in outer fire cover 210 Upper surface (namely go out fiery side).And for the peripheral wall surfaces of outer fire cover 210, due to itself and not set outgoing fire hole 212, And then the axial height of the peripheral wall surfaces of outer fire cover 210 can be reduced, so that the whole height of outer fire cover 210 reduces.Outer fire cover 210 Height is main to be risen certainly in the protrusion height of outer protrusion 211.In the present embodiment, the protrusion height of the outer protrusion 211 is less than Or it is equal to 10 millimeters, and then to guarantee that the whole height of outer fire cover 210 is not too high.

Likewise, interior fire output hole 222 is formed on interior protrusion 221, and interior protrusion for inner fire cover 220 221 are convexly equipped in the upper surface of inner fire cover 220, and then the interior fire output hole 222 of inner fire cover 220 is entirely located in the upper table of inner fire cover 220 Face (namely goes out fiery side).And for the periphery wall of inner fire cover 220, due to itself and not set interior fire output hole 222, Jin Erke The axial height for reducing the periphery wall of inner fire cover 220, so that the whole height of inner fire cover 220 reduces.The height master of outer fire cover 210 It rises certainly in the protrusion height of interior protrusion 221.In the present embodiment, the protrusion height of the interior protrusion 221 is less than or equal to 20 millimeters, and then to guarantee that the whole height of inner fire cover 220 is not too high.In some preferred embodiments, the interior protrusion 221 and the height of outer protrusion 211 be inconsistent so that outer fire output hole 212 and interior fire output hole 222 are formed in different height Position, and then be conducive to increase the contact area of combustion gas and air, make combustion gas and air is more fully mixed, fuel gas buring more fills Point, so that interior fire output hole 222 and outer fire output hole 212, which form the different ladder of height, goes out fiery effect.Outer fire cover 210 is gone out Combustion gas at fire hole 212 can carry out contact with the air in 210 outside of outer fire cover and mix, and at the interior fire output hole 222 of inner fire cover 220 The limitation that mixes with air of combustion gas.Therefore, in order to the combustion gas at the interior fire output hole 222 of inner fire cover 220 is better achieved With the mixing of air, the protrusion height of the interior protrusion 221 is greater than the protrusion height of outer protrusion 211, so that interior fire output hole 222 Height can be greater than the height of outer fire output hole 212, and then connect with the combustion gas at the interior fire output hole 222 of inner fire cover 220 convenient for air Touching mixing.

It is understood that for fire cover component 2 in this present embodiment, since 210 upper side of outer fire cover is with outer Protrusion 211, moulding is unique unique, can also give aesthetic feeling；Similarly, 220 upper side of inner fire cover has interior protrusion 221, Its moulding is also unique unique, can give beauty, so that entire fire cover component 2 is more beautiful, beautiful.

Further, for outer fire cover 210, in the neighboring from outer fire cover 210 towards the direction of inner circumference edge On, the protrusion height of outer protrusion 211 is arranged in a manner of being first gradually increased, gradually decreasing again, and wherein the outer protrusion 211 exists Profile on the shaft section of outer fire cover 210 can inverted V shaped, parabola shaped, arc-shaped or other similar shape setting.

Multiple outer fire output holes 212, diameter of multiple outer fire output holes 212 along outer fire cover 210 are provided on above-mentioned outer protrusion 211 To being spaced apart, so that multiple outer fire output holes 212 are arranged in the position of the different height of outer protrusion 211.In this way, make Combustion gas at the outer fire output hole 212 of every different height position can be realized with air contacts mixing, and then on outer fire cover 210 It forms the different ladder of height and goes out fiery effect.

In order to enable the burning on above-mentioned outer fire cover 210 is more uniform, on the protrusion height of same outer protrusion 211 Outer fire output hole 212 be provided with multiple, and multiple outer fire output holes 212 are along the circumferentially-spaced arrangement of outer fire cover 210.As preferred side Formula, outer fire output hole 212 are uniformly distributed along the circumferential direction of outer fire cover 210, and then guarantee the burning of each position on outer fire cover 210 Uniformly.

In some preferred embodiments, there are the 4 outer fire output holes 212 of circle, outer fire output hole 212 is in circle on the outer fire cover 210 The fire hole diameter of hole setting, each outer fire output hole 212 is 1.3 millimeters, and the spacing between the outer fire output hole 212 of two adjacent rings is 2 millimeters.In this way, which the arrangement mode that outer fire output hole 212 is small and dense, ensure that the outer fire output hole 212 of outer fire cover 210 has and fills The fire hole area of foot is also further reduced outer fire cover 210 and occurs to show from flame so that the burning at outer fire output hole 212 is more stable The defect of elephant.

Further, for inner fire cover 220, the four circumferential courts of the protrusion height of interior protrusion 221 along inner fire cover 220 Middle part gradually increases.The upper surface of the interior protrusion 221 can be arranged in convex-shaped, such as spherical crown surface or the conical surface etc..

Multiple interior fire output holes 222 are provided on above-mentioned interior protrusion 221, multiple interior fire output holes 222 are along the four of inner fire cover 220 It is circumferential to arrange towards middle part direction, so that multiple interior fire output holes 222 are arranged in the position of the different height of interior protrusion 221.So One, so that the combustion gas at the interior fire output hole 222 of every different height position can be realized with air and contact mixing, and then inside The different ladder of height is formed in fire cover 220 goes out fiery effect.

In order to enable the burning on above-mentioned inner fire cover 220 is more uniform, on the protrusion height of same interior protrusion 221 Interior fire output hole 222 be provided with multiple, and multiple interior fire output holes 222 are along the circumferentially-spaced arrangement of inner fire cover 220.As preferred side Formula, interior fire output hole 222 are uniformly distributed along the circumferential direction of inner fire cover 220, and then guarantee the burning of each position on inner fire cover 220 Uniformly.

In some preferred embodiments, 5 enclose interior fire output hole 222 on the inner fire cover 220, interior fire output hole 222 is in circle The fire hole diameter of hole setting, each interior fire output hole 222 is 1.3 millimeters, and the spacing between the interior fire output hole 222 of two adjacent rings is 2 millimeters.In this way, which the arrangement mode that interior fire output hole 222 is small and dense, ensure that the interior fire output hole 222 of inner fire cover 220 has and fills The fire hole area of foot is also further reduced inner fire cover 220 and occurs to show from flame so that the burning at interior fire output hole 222 is more stable The defect of elephant.

Further, in order to guarantee the combustion gas energy normal combustion at outer fire cover 210, the hole depth value of outer fire output hole 212 is 3 millis Rice is to 5 millimeters, to avoid tempering phenomenon occurs in outer 212 combustion process of fire output hole, wherein the hole depth value of the outer fire output hole 212 Preferably 3 millimeters, and then to take into account the thickness of outer fire cover 210 and guarantee the normal combustion of combustion gas at outer fire cover 210.Similarly, it is Guarantee the combustion gas energy normal combustion at inner fire cover 220, the hole depth value of interior fire output hole 222 is 3 millimeters to 5 millimeters, to avoid interior Tempering phenomenon occurs in 222 combustion process of fire output hole, wherein the hole depth value of the interior fire output hole 222 is preferably 3 millimeters, and then with It takes into account the thickness of inner fire cover 220 and guarantees the normal combustion of combustion gas at inner fire cover 220.

In the present embodiment, it can adequately be contacted with air to guarantee interior fire output hole 222 and outer fire output hole 212 Mixing, inner fire cover 220 and outer fire cover 210 are set in distance radially, i.e., the internal diameter of outer fire cover 210 is greater than inner fire cover 220 outer diameter.This fire cover component 2 further includes connecting plate 230, and connecting plate 230 is located on inner fire cover 220 and outer fire cover 210 Between.It is understood that can avoid the foreign matters such as the soup of 7 top of burner from inner fire cover due to the presence of connecting plate 230 Gap between 220 and outer fire cover 210 is fallen, and then facilitates cleaning of the user to spot.

Further, above-mentioned interior protrusion 221 is also provided with flash hole 224, and flash hole 224 closes on the setting of connecting plate 230, The position that flash hole 224 is corresponded on connecting plate 230 is equipped with ignition electrode via hole 234 and/or inductive needle via hole 235.

It is understood that flash hole 224 has multiple effects: first, by the way that flash hole 224 is arranged, so that combustion gas can be more Add close to ignition electrode, in order to which the spark that ignition electrode generates rapidly ignites the combustion gas at inner fire cover 220, realizes the fast of gas-cooker Fast ignition operation；Second, since flash hole 224 is arranged close to connecting plate 230, flash hole 224 is located at interior fire output hole 222 and goes out Between fire hole 212, and then flame can be transferred at outer fire output hole 212 by flash hole 224, and then fire output hole 222 and outer in realizing The effect of flame is transmitted between fire output hole 212；Third, flash hole 224 close to inductive needle via hole 235 be arranged so that inductive needle with The distance between flame is closer, and then the thermometric accuracy of inductive needle can be improved, so that the temperature control of gas-cooker is (such as anti- Dry combustion method system).

Wherein, it for above-mentioned ignition electrode via hole 234, is used to pass through connecting plate 230 for ignition electrode, which can It is realized by the way of electronic ignition (piezoelectric ceramics spark ignition) or pulse continuous ignition.Above-mentioned inductive needle via hole 235 is used In inductive needle pass through connecting plate 230, the inductive needle can using thermoelectricity occasionally temperature-sensitive element be used as temperature sensing part, and then realization pair The detection of fuel gas temperature.

In order to make the better effect of above-mentioned flash hole 224, the root of the interior protrusion 221 is preferably provided with intermediate incline 225, Intermediate incline 225 extends from the top of inner fire cover 220 to 230 direction of connecting plate.Flash hole 224 is opened on intermediate incline 225. Since intermediate incline 225 is arranged, Some gases can flows along intermediate incline 225, so more conducively combustion gas be ignited pin mark fire, It realizes the flame transmitting between inner fire cover 220 and outer fire cover 210 and shortens the spacing between gas flame and inductive needle.It needs It is noted that the intermediate incline 225 can be tapered plane or curved surface etc., it is not especially limited herein.

Further, the hole depth direction of above-mentioned flash hole 224 is vertical with the intermediate incline 225, in this way, flash hole 224 combustion gas direction is tilted towards 230 direction of connecting plate, and then more conducively combustion gas is ignited pin mark combustion, realizes inner fire cover 220 and outer Flame transmitting between fire cover 210 and the spacing between shortening gas flame and inductive needle, so that the effect of flash hole 224 More preferably.

On the one hand the intermediate incline 225 of inner fire cover 220 can reduce inner fire cover along the circumferential setting annular in shape of inner fire cover 220 220 structure complexity, in favor of the manufacturing of inner fire cover 220；On the other hand, the flame of inner fire cover 220 can be conducive to along four Circumferential direction is transmitted to outer fire cover 210, so that the flame transmission effect between inner fire cover 220 and outer fire cover 210 is more preferably.

Further, for above-mentioned fire cover component 2, inner fire cover 220 is in be wholely set with connecting plate 230；With/ Or, outer fire cover 210 is in be wholely set with connecting plate 230.

It is understood that fire cover component 2 has characteristic resistant to high temperature, inner fire cover 220, connecting plate 230 and outer fire cover 210 are made of metal material resistant to high temperature (such as copper), for the ease of simplifying the structure of fire cover component 2, above-mentioned inner fire cover 220 It can be made of integrated molding mode with connecting plate 230；Alternatively, outer fire cover 210 and connecting plate 230 are made of one piece；Or Person, inner fire cover 220, connecting plate 230 and outer fire cover 210 are integrally formed.In the present embodiment, above-mentioned fire cover component 2 Inner fire cover 220, connecting plate 230 and 210 three of outer fire cover use made by integrated molding mode, and then can simplify fire cover component 2 Structure, reduce fire cover component 2 installation difficulty.

In order to enable the above-mentioned burning of fire cover component 2 is more abundant, the scheme of some auxiliary air supplements is provided below, when So, tellable to be, the scheme of these auxiliary airs supplement not only can be only used for above-mentioned pure flat fire cover component 2, can also use In the fire cover of other burners 7.It is concretely demonstrated separately below:

Referring to Fig. 7 to Figure 17, the concrete scheme in auxiliary air additional project one is done to illustrate:

A kind of fire cover component 2 is used for burner 7, and the fire cover component 2 includes outer fire cover 210, and the outer fire cover 210 is in Annular setting, the outer fire cover 210 have the outgoing flame range domain 210a positioned at 210 outer rim side of outer fire cover, positioned at described outer 210 inner ring side of fire cover it is interior go out flame range domain 210c and be located at the outgoing flame range domain 210a and it is described it is interior go out flame range domain 210c Between in go out flame range domain 210b, it is described in go out flame range domain 210b 212 gross area of outer fire output hole be less than it is described in go out flame range domain The gross area of the outer fire output hole 212 of the outgoing flame range domain 210a of 210c or described.

Specifically, being respectively air inlet side and fire out along being axially in the two sides being oppositely arranged for the outer fire cover 210 Side, outer fire output hole 212 penetrates through the air inlet side of outer fire cover 210 and goes out fiery side, so that the combustion gas of 210 air inlet side of outer fire cover can pass through Outer fire output hole 212 is ejected to out fiery side and burns.Outer fire cover 210 be usually it is horizontal positioned, air inlet side downward, go out fiery side It is arranged downward.Wherein, the outer fire output hole 212 on outer fire cover 210 is the upper side that outer fire cover 210 is arranged in.In outer fire cover 210 In combustion process, the outside and inside of annular outer fire cover 210 are easy to be in contact with air mixing, and then close to outer fire cover The burning of the outer fire output hole 212 in 210 outsides and the interior fire output hole 222 close to 210 inside of outer fire cover is more abundant, and other positions Outer fire output hole 212 mix with air contact it is less.In order to make each position on outer fire cover 210 outer fire output hole 212 it is equal Mixing can be fully contacted with air, the present embodiment passes through arrangement mode of the external fire output hole 212 on outer fire cover 210 It improves, to ensure the full combustion of outer fire cover 210.Wherein, specific improved procedure is as follows:

Outer fire cover 210 have radially successively be arranged outwardly it is interior go out flame range domain 210c, in go out flame range domain 210b and outer Flame range domain 210a out, interior flame range domain 210c out are located at 210 outer rim side of outer fire cover, and outgoing flame range domain 210a is located at outer fire cover 210 Inner ring side, in go out flame range domain 210b be located at outgoing flame range domain 210a and it is interior go out flame range domain 210c between；In go out flame range domain 210b Outer 212 gross area of fire output hole be less than it is interior go out flame range domain 210c, in go out flame range domain 210b 212 gross area of outer fire output hole be less than it is outgoing The gross area of the outer fire output hole 212 of flame range domain 210a.

It is understood that due in go out flame range domain 210b 212 gross area of outer fire output hole it is relatively small, in go out flame range domain The gas outlet amount of 210b is less, so in go out flame range domain 210b required for air it is also relatively fewer, and then in go out flame range Under the premise of domain 210b air itself is less, be also able to achieve in go out flame range domain 210b full combustion.And for flame range domain of going out For 210a and interior flame range domain 210c out, the two is easier by compensated with air, and then the combustion gas of the two is relatively easy to and air It is in contact mixing, and then 212 gross area of outer fire output hole of the two can be increased, so that its combustion gas is mixed with air ratio more, more Conducive to the full combustion of combustion gas.

Further, in order to make combustion even everywhere on outer fire cover 210, the outer fire output hole 212 on outer fire cover 210 is along outer The circumferentially-spaced arrangement of fire cover 210.Certainly, more uniform in order to enable outer fire cover 210 to burn, the outer fire output hole 212 is preferably Circumferential direction along outer fire cover 210 is equally distributed.

In order to improve the combustion efficiency of outer fire cover 210, outer fire output hole 212 is arranged along the radial direction of outer fire cover 210 in multi-turn.It can With understanding, above-mentioned outgoing flame range domain 210a and interior flame range domain 210c out at least one enclose outer fire output hole 212 respectively, and then make Obtaining outer fire cover 210 has preferable combustion efficiency.

In order to make each outer fire output hole 212 on outer fire cover 210 can preferably contact mixing, two adjacent rings with air realization Outer fire output hole 212 along outer fire cover 210 circumferential direction in being successively arranged alternately, and then ensure the equal energy of combustion gas at outer fire output hole 212 It mixes with air, so that each outer fire output hole 212 is able to achieve full combustion.

Further, in the air inlet side of outer fire cover 210 to the direction of fiery side out, the outer fire output hole for the flame range domain 210a that goes out 212 hole depth direction is tilted towards the axis direction far from outer fire cover 210；And/or

The hole depth direction of the interior outer fire output hole 212 of flame range domain 210c out is tilted towards the axis direction close to outer fire cover 210.

By the above-mentioned means, the combustion gas of the outer fire output hole 212 of outgoing flame range domain 210a sprays burning, interior flame range domain out outward The combustion gas of the outer fire output hole 212 of 210c inwardly sprays burning, and then is more conducive to the combustion of the outer fire output hole 212 of outgoing flame range domain 210a Gas realizes that preferably contacting mixing, the interior combustion gas of the outer fire output hole 212 of flame range domain 210c out and air realizes preferably with air Contact mixing further improves the abundant degree of burning of outgoing flame range domain 210a and interior flame range domain 210c out.

Further, in the structure basis of above-mentioned outer fire cover 210, the outer fire output hole 212 for the flame range domain 210a that goes out is along outer Being radially provided with for fire cover 210 is multiple, in which:

Go out on the direction of flame range domain 210b from outgoing flame range domain 210a direction, the outer fire output hole for the flame range domain 210a that goes out Angle α between 212 hole depth direction and outer fire cover 210 is gradually reduced；And/or

The outer fire output hole 212 of interior flame range domain 210c out is multiple along being radially provided with for the outer fire cover 210, and flame range is being gone out in Domain 210c goes out on the direction of flame range domain 210b, interior the hole depth direction of the outer fire output hole 212 of flame range domain 210c and outer fire out Angle β between lid 210 is gradually reduced.

By above-mentioned means, for outgoing flame range domain 210a, more it is proximate to outer at the neighboring of outer fire cover 210 The emission direction of fire output hole 212, combustion gas is inclined outwardly, and then gets over the combustion gas area coverage of outgoing flame range domain 210a Greatly, more conducively combustion gas is mixed with air；Similarly, for interior flame range domain 210c out, more it is proximate to outer fire cover 210 Inner periphery at outer fire output hole 212, the emission direction of combustion gas slopes inwardly, and then goes out flame range domain 210c's in making Combustion gas area coverage is bigger, and more conducively combustion gas is mixed with air.

Further, in order to realize 212 gross area of outer fire output hole of outgoing flame range domain 210a be greater than in go out flame range domain 210b 212 gross area of outer fire output hole, implemented in the present embodiment in the following way.

The outer fiery fire hole of outgoing flame range domain 210a is placed with multi-turn along the radial direction of outer fire cover 210, in which:

Go out on the direction of flame range domain 210b from outgoing flame range domain 210a direction, the outer fiery fire hole for the flame range domain 210a that goes out Aperture is gradually increased；And/or

From the direction that outgoing flame range domain 210a goes out flame range domain 210b in, go out positioned at adjacent the two of same circle fiery The spacing of the outer fiery fire hole of region 210a is gradually increased.

It is understood that by the spacing in the aperture and/or outer fire output hole 212 that change outer fire output hole 212, so that 212 gross area of outer fire output hole of outgoing flame range domain 210a goes out 212 gross area of outer fire output hole of flame range domain 210b in being greater than, and then makes The flame range that must go out domain 210a goes out flame range domain 210b in can realize full combustion.

Similarly, in order to go out in realizing 212 gross area of outer fire output hole of flame range domain 210c be greater than in go out the outer of flame range domain 210b 212 gross area of fire output hole is implemented in the following way in the present embodiment.

The outer fiery fire hole of interior flame range domain 210c out is placed with multi-turn along the radial direction of outer fire cover 210, in which:

Going out on the direction that flame range domain 210c goes out flame range domain 210b in, the outer fire output hole of interior flame range domain 210c out 212 apertures are gradually increased；And/or

Going out on the direction that flame range domain 210c goes out flame range domain 210b in, fire is gone out in adjacent the two of same circle The spacing of the outer fire output hole 212 of region 210c is gradually increased.

It is understood that by the spacing in the aperture and/or outer fire output hole 212 that change outer fire output hole 212, so that 212 gross area of outer fire output hole of interior flame range domain 210c out goes out 212 gross area of outer fire output hole of flame range domain 210b in being greater than, and then makes Going out flame range domain 210c in obtaining, flame range domain 210b can realize full combustion out in.

Further, in the present embodiment, there is outer protuberance between the inner periphery and neighboring of above-mentioned outer fire cover 210 Portion 211, outer protrusion 211 are laterally gone out fiery side from the air inlet of outer fire cover 210 and protruded, formed with the air inlet side in outer fire cover 210 outer Fire space 213；

Interior flame range domain 210c out is formed in side of the outer protrusion 211 towards 210 middle part of outer fire cover, and go out flame range domain 210a Be formed in outer protrusion 211 back to the middle part of outer fire cover 210 side, in go out the top that flame range domain 210b is formed in outer protrusion 211 Portion.

It is understood that outer fire cover 210 has towards the outer protrusion 211 protruded above, formed in the downside of outer fire cover 210 The external combustion space 213 being recessed upward, outer fire output hole 212 is arranged on above-mentioned outer protrusion 211, so that external combustion space 213 It is connected to fiery side is gone out by outer fire output hole 212.It is interior go out flame range domain 210c, in go out flame range domain 210b and the outgoing equal shape of flame range domain 210a On the outer protrusion 211 of Cheng Yu.

Above-mentioned outer fire cover component 2 is mounted on burner 1, and burner 1 has outer gas chamber 120, the corresponding outer combustion gas of outer fire cover 210 Chamber 120 is installed, and the external combustion space 213 of outer fire cover 210 is connected to outer gas chamber 120, so that the combustion gas in outer gas chamber 120 is first Into external combustion space 213, burning is then sprayed by outer fire output hole 212.It should be noted that since outer fire cover 210 is with outer Space 213 is fired, the fuel gas flow in outer gas chamber 120 can be made to carry out current stabilization by external combustion space 213, may make that combustion gas is more equal Burning is sprayed by outer fire output hole 212 evenly, outer fire cover 210 is reduced and probability from flame phenomenon occurs, ensured combustion gas just Often burning.

Since 210 upper side of outer fire cover has outer protrusion 211, moulding is unique unique, can also give aesthetic feeling, in turn So that entire fire cover component 2 is more beautiful, beautiful.

For outer fire cover 210, on from the neighboring of outer fire cover 210 towards the direction of inner circumference edge, outer protuberance The protrusion height in portion 211 is arranged in a manner of being first gradually increased, gradually decreasing again, and wherein the outer protrusion 211 is in outer fire cover 210 Shaft section on profile can the setting of inverted V shaped, parabola shaped, arc-shaped or other similar shape.

In order to make outgoing flame range domain 210a and it is interior go out flame range domain 210c burning it is more abundant, go out flame range domain 210a and interior The arrangement mode of flame range domain 210c also been mades following improvement out:

For outer fire output hole 212 along the circumferentially-spaced arrangement of outer fire cover 210, outer fire output hole 212 is in more along the radial direction of outer fire cover 210 Circle arrangement, in which:

There is the outer fire output hole 212 of multi-turn, multi-turn 212 row of outer fire output hole for the flame range domain 210a that goes out in outgoing flame range domain 210a Cloth is in the position of the different height of outer protrusion 211；And/or

There is outer fire output hole 212 described in multi-turn, the outer fire output hole of multi-turn of interior flame range domain 210c out in interior flame range domain 210c out 212 are arranged in the position of the different height of outer protrusion 211.

It is understood that due to go out flame range domain 210a multi-turn outside fire output hole 212 be arranged in outer protrusion 211 not Level position, so that the combustion gas at the outer fire output hole 212 of every different height position can be realized with air and contact mixing, And then the different ladder of height is formed on outgoing flame range domain 210a and goes out fiery effect.Similarly, due to it is interior go out flame range domain 210c it is more The position that outer fire output hole 212 is arranged in the different height of outer protrusion 211 is enclosed, so that the outer fire output hole of every different height position Combustion gas at 212 can be realized with air contacts mixing, and then goes out on the 210c of flame range domain to be formed the different ladder of height inside and go out Fiery effect.

In a specific preferred embodiment, which has the 6 outer fire output holes 212 of circle, the outer fire output hole 212 of 6 circle It is followed successively by first lap, the second circle, third circle, the 4th circle, the 5th circle and the 6th circle from outside to inside along the radial direction of outer fire cover 210, In, first lap, the second circle and third circle are close to the neighboring setting of outer fire cover 210, and the 4th circle, the 5th circle and the 6th circle are equal Inner periphery close to outer fire cover 210 is arranged.Wherein, the interval between third circle and the 4th circle is greater than between any other two circle Every, formed between third circle and the 4th circle at this time outer 212 area of fire output hole it is relatively small number of in flame range domain 210b out.

Further, on the structure basis of above-mentioned outer fire cover 210, in a preferred embodiment, this fire cover component 2 can be into One step includes connecting plate 230 and inner fire cover 220, and connecting plate 230 is arranged in a ring, and is located at the inside of outer fire cover 210；Inner fire cover 220 are located at the inside of connecting plate 230；Interval is formed with tonifying Qi gap 240, tonifying Qi gap between connecting plate 230 and outer fire cover 210 The 240 outer fire output holes 212 for going out flame range domain 210c in are arranged.

It, can 7 combustion efficiency of strengthen burning device by the way that inner fire cover 220 is arranged；Setting connecting plate 230 can prevent on burner 7 The gaps of the foreign matters between inner fire cover 220 and outer fire cover 210 such as the soup of side are fallen, and then facilitate cleaning of the user to spot. Inner fire cover 220 has interior fire output hole 222, the settable ignition electrode via hole 234 on connecting plate 230, and then ignites convenient for ignition electrode The ignition operation of burner 7 is realized in combustion gas at inner fire cover 220；Alternatively, may be provided with inductive needle via hole on connecting plate 230 235, and then it is convenient for detection of the inductive needle to flame temperature.

Above-mentioned fire cover component 2 is mounted on burner 1, and burner 1 has in the outer gas chamber 120 and internal combustion being arranged independently of each other Air cavity 110, outer 120 ring of gas chamber are located at the outside of interior gas chamber 110, and the corresponding interior gas chamber 110 of inner fire cover 220 is installed on burner On 1, inner fire cover 220 is connected to interior gas chamber 110, is fired so that the combustion gas in interior gas chamber 110 is sprayed from interior fire output hole 222 It burns.Tonifying Qi gap 240 is corresponded on burner 1 and is formed with tonifying Qi chamber 140, which is connected to outside air, and then can will be outer Boundary's air is transported to the upside (fiery side out) of fire cover component 2 by tonifying Qi chamber 140 and tonifying Qi gap 240, so that outer fire cover 210 It is interior go out flame range domain 210c be fully burned.

It is worth noting that the outer diameter of connecting plate 230 is less than the internal diameter of outer fire cover 210, and then in connecting plate Form tonifying Qi gap 240 between 230 and outer fire cover 210, the tonifying Qi gap 240 air of the lower section of fire cover component 2 can be guided to The top of fire cover component 2, and then realize to 210c progress auxiliary air compensation in flame range domain is gone out in outer fire cover 210, make its burning More sufficiently.

In a further preferred embodiment, on the structure basis of above-mentioned outer fire cover 210, this fire cover component 2 can be wrapped further Include connecting plate 230 and inner fire cover 220, in which:

Connecting plate 230 is arranged in a ring and is located at the inside of outer fire cover 210；Inner fire cover 220 is located at the interior of connecting plate 230 Side；

Connecting plate 230 offers tonifying Qi opening 231, outer fire output hole 212 of the tonifying Qi opening 231 close to interior flame range domain 210c out Setting.

Above-mentioned fire cover component 2 is mounted on burner 1, and burner 1 has in the outer gas chamber 120 and internal combustion being arranged independently of each other Air cavity 110, outer 120 ring of gas chamber are located at the outside of interior gas chamber 110, and the corresponding interior gas chamber 110 of inner fire cover 220 is installed on burner On 1, inner fire cover 220 is connected to interior gas chamber 110, is fired so that the combustion gas in interior gas chamber 110 is sprayed from interior fire output hole 222 It burns.Tonifying Qi opening is corresponded on burner 1 and 231 is formed with tonifying Qi chamber 140, which is connected to outside air, and then can will be outer Boundary's air is transported to the upside (fiery side out) of fire cover component 2 by tonifying Qi chamber 140 and tonifying Qi opening 231, so that outer fire cover 210 It is interior go out flame range domain 210c be fully burned.

It is emphasized that the structure of inner fire cover 220 can refer to a side in above auxiliary air additional project The structure of inner fire cover 220 in case (scheme of pure flat fire cover component 2), the inner fire cover 220 in this programme can also have interior protrusion 221, the similar structure feature such as internal combustion headroom and flash hole 224, no longer repeats one by one herein.

Above-mentioned connecting plate 230 can be made of one piece with inner fire cover 220 or 220 fission of connecting plate 230 and inner fire cover Setting.In this programme embodiment, which is preferable over the integrated molding of inner fire cover 220, reduces fire cover component 2 to realize The effect of the structure complexity of assembly difficulty and simplified fire cover component 2.

Referring to Fig.1 8 to Figure 27, the concrete scheme in auxiliary air additional project two is done to illustrate:

A kind of fire cover component 2, is used for burner 7, and the fire cover component 2 includes outer fire cover 210, connecting plate 230 and endogenous fire Lid 220, in which: the outer fire cover 210 is arranged in a ring, and the outer fire cover 210 has outer fire output hole 212；The connecting plate 230 It is arranged in a ring, and is located at the inside of the outer fire cover 210；The inner fire cover 220 is located at the inside of the connecting plate 230；Institute It states interval between connecting plate 230 and the outer fire cover 210 and is formed with tonifying Qi gap 240, the tonifying Qi gap 240 is close to described outer Fire output hole 212 is arranged.

Specifically, being in that the two sides being oppositely arranged are respectively air inlet side and go out along axial direction for above-mentioned outer fire cover 210 Fiery side, outer fire output hole 212 penetrates through the air inlet side of outer fire cover 210 and goes out fiery side, so that the combustion gas of 210 air inlet side of outer fire cover can lead to It crosses outer fire output hole 212 and is ejected to out fiery side and burn.Outer fire cover 210 be usually it is horizontal positioned, air inlet side downward, go out fire Side is arranged downward.Wherein, the outer fire output hole 212 on outer fire cover 210 is the upper side that outer fire cover 210 is arranged in.

For above-mentioned inner fire cover 220, it is respectively air inlet side in the two sides being oppositely arranged and goes out fiery side along axial, it is interior Fire output hole 222 penetrates through the air inlet side of inner fire cover 220 and goes out fiery side so that the combustion gas of 220 air inlet side of inner fire cover can by it is interior go out Fire hole 222 is ejected to out fiery side and burns.Inner fire cover 220 be usually it is horizontal positioned, air inlet side downward, go out fiery side downward Setting.Wherein, the interior fire output hole 222 on inner fire cover 220 is the upper side that inner fire cover 220 is arranged in.

For above-mentioned connecting plate 230, the foreign matters such as the soup of the top of burner 7 can be prevented from inner fire cover 220 and outer Gap between fire cover 210 is fallen, and then facilitates cleaning of the user to spot.It can offer in closing on to go out on connecting plate 230 The ignition electrode via hole 234 that fire hole 222 is arranged, and then ignite the combustion gas at inner fire cover 220 convenient for ignition electrode, realize burner 7 Ignition operation；Alternatively, offering the inductive needle via hole 235 for closing on interior fire output hole 222 and being arranged, and then in connecting plate 230 convenient for sense The detection of flame temperature should be directed to.The outer diameter of connecting plate 230 is less than the internal diameter of outer fire cover 210, and then the company of may make Interval constitutes tonifying Qi gap 240 between fishplate bar 230 and outer fire cover 210.

Above-mentioned fire cover component 2 is mounted on burner 1, and burner 1 has in the outer gas chamber 120 and internal combustion being arranged independently of each other Air cavity 110, outer 120 ring of gas chamber are located at the outside of interior gas chamber 110, and the corresponding outer gas chamber 120 of outer fire cover 210 is installed on burner On 1, outer fire cover 210 is connected to outer gas chamber 120, is fired so that the combustion gas in outer gas chamber 120 is sprayed from outer fire output hole 212 It burns.Gas chamber 110 is installed on burner 1 in inner fire cover 220 is corresponding, and inner fire cover 220 is connected to interior gas chamber 110, so that interior Combustion gas in gas chamber 110 is sprayed from interior fire output hole 222 burns.

It is worth noting that the combustion gas at outer fire output hole 212 in order to enable outer fire cover 210 is sufficiently connect with air Touching mixing, by forming tonifying Qi gap 240 between connecting plate 230 and outer fire cover 210, and then by air from tonifying Qi gap 240 Guidance carries out auxiliary air supplement to outer fire cover 210, keeps its burning more abundant to the top of fire cover component 2.

Further, the inner peripheral surface of above-mentioned outer fire cover 210 is extended with rib 215 towards middle part, and rib 215 is located at the company The lower section of fishplate bar 230.By the way that rib 215 is arranged, it may make the spots such as the soup of 7 top of burner downward from tonifying Qi gap 240 It when falling, falls on rib 215, and then spot is avoided further to fall downwards, and then the cleaning in order to user to spot.It needs It is noted that the rib 215 can abut the downside of setting or rib 215 and connecting plate 230 with the downside of connecting plate 230 It is set in distance.In some special circumstances, above-mentioned rib 215 can also completely plugged lid close tonifying Qi gap 240, at this point, the benefit Practical gas gap 240 is a deep gouge structure, and the air at deep gouge is also able to achieve the auxiliary air supplement to outer fire cover 210.

In the present embodiment, above-mentioned rib 215 is spaced preferably between connecting plate 230 constitutes airspace, and rib 215 is carried on the back The side of connecting plate 230 is connected to airspace, airspace is connected to tonifying Qi gap 240.Burner 1 is formed with tonifying Qi chamber 140, The tonifying Qi chamber 140 is connected to outside air, and tonifying Qi chamber 140 can be connected to by airspace with tonifying Qi gap 240, and then can will be outer Boundary's air is transported to the upside (fiery side out) of fire cover component 2 by tonifying Qi gap 240, so that the interior flame range out of outer fire cover 210 Domain 210c is fully burned.

In order to enable above-mentioned baffle preferably stops spot to fall downwards by tonifying Qi gap 240, above-mentioned rib 215 is along outer The circumferential setting annular in shape of fire cover 210.Further, the extension width of the rib 215 is more than or equal to tonifying Qi gap 240 Width reduces spot and continues the probability fallen downwards so that tonifying Qi gap 240 can be completely covered in rib 215.

Further, for above-mentioned outer fire cover 210, have between the inner periphery and neighboring of outer fire cover 210 Outer protrusion 211, outer protrusion 211 laterally goes out fiery side from the air inlet of outer fire cover 210 and protrudes, in the air inlet side of outer fire cover 210 External combustion space 213 is formed, outer protrusion 211 offers outer fire output hole 212.For above-mentioned inner fire cover 220, inner fire cover 220 Middle part there is interior protrusion 221, interior protrusion 221 laterally goes out fiery side from the air inlet of inner fire cover 220 and protrudes, in inner fire cover 220 air inlet side forms internal combustion space 223, and interior protrusion 221 is equipped with interior fire output hole 222.

It is worth noting that the structure of this outer fire cover 210 can be with further reference to pure flat in this auxiliary air additional project The structure of outer fire cover 210 in the scheme of fire cover component 2, i.e. this outer fire cover 210 also have outer protrusion 211, external combustion headroom etc. Structure feature；Likewise, the structure of this inner fire cover 220 can be with further reference to inner fire cover 220 in the scheme of pure flat fire cover component 2 Structure, i.e. this outer fire cover 210 also have the structure features such as outer protrusion 211, external combustion headroom, flash hole 224.

In addition, above-mentioned connecting plate 230 can be made of one piece with inner fire cover 220 or connecting plate 230 and inner fire cover 220 split settings.In this programme embodiment, which is preferable over the integrated molding of inner fire cover 220, to realize reduction fire cover The effect of the structure complexity of the assembly difficulty of component 2 and simplified fire cover component 2.

Referring to Figure 28 to Figure 36, the concrete scheme in auxiliary air additional project three is done to illustrate:

A kind of fire cover component 2, is used for burner 7, and the fire cover component 2 includes outer fire cover 210, connecting plate 230 and endogenous fire Lid 220, in which: the outer fire cover 210 is arranged in a ring, and the outer fire cover 210 has outer fire output hole 212；The connecting plate 230 It is arranged in a ring, positioned at the inside of the outer fire cover 210；The inner fire cover 220 is located at the inside of the connecting plate 230, described Inner fire cover 220 has interior fire output hole 222；The connecting plate 230 offers tonifying Qi opening 231, and the tonifying Qi opening 231 closes on institute State interior fire output hole 222 and/or the outer fire output hole 212 setting.

For above-mentioned connecting plate 230, the foreign matters such as the soup of the top of burner 7 can be prevented from inner fire cover 220 and outer Gap between fire cover 210 is fallen, and then facilitates cleaning of the user to spot.It can offer in closing on to go out on connecting plate 230 The ignition electrode via hole 234 that fire hole 222 is arranged, and then ignite the combustion gas at inner fire cover 220 convenient for ignition electrode, realize burner 7 Ignition operation；Alternatively, offering the inductive needle via hole 235 for closing on interior fire output hole 222 and being arranged, and then in connecting plate 230 convenient for sense The detection of flame temperature should be directed to.

Above-mentioned fire cover component 2 is mounted on burner 1, and burner 1 has in the outer gas chamber 120 and internal combustion being arranged independently of each other Air cavity 110, outer 120 ring of gas chamber are located at the outside of interior gas chamber 110, and the corresponding outer gas chamber 120 of outer fire cover 210 is installed on burner On 1, outer fire cover 210 is connected to outer gas chamber 120, is fired so that the combustion gas in outer gas chamber 120 is sprayed from outer fire output hole 212 It burns.Gas chamber 110 is installed on burner 1 in inner fire cover 220 is corresponding, and inner fire cover 220 is connected to interior gas chamber 110, so that interior Combustion gas in gas chamber 110 is sprayed from interior fire output hole 222 burns.Burner 1 is formed with tonifying Qi chamber 140, the tonifying Qi chamber 140 and the external world Air communication, tonifying Qi chamber 140 can be connected to tonifying Qi opening 231, and then outside air can be transported to fire by tonifying Qi opening 231 The upside (fiery side out) of cap assemblies 2, so that the burning of fire cover component 2 is more abundant.

It is worth noting that being mixed to enable the combustion gas of fire cover component 2 sufficiently to carry out contact with air, by even Tonifying Qi opening 231 is opened up on fishplate bar 230, and then air is guided by tonifying Qi opening 231 to the top of fire cover component 2, to fire Cap assemblies 2 carry out auxiliary air supplement, keep its burning more abundant.It is understood that tonifying Qi opening 231 can close on interior fire out Hole 222 is arranged, and then carries out auxiliary air supplement to inner fire cover 220；Or tonifying Qi opening 231 can close on outer fire output hole 212 and set It sets, and then to outer fire cover 210 and then auxiliary air supplement；Certainly, tonifying Qi opening 231 can be equipped with multiple, a portion Tonifying Qi opening 231 is closed on outer fire output hole 212 and is arranged, remaining tonifying Qi opening 231 is then closed on interior fire output hole 222 and is arranged, Jin Ertong When auxiliary air supplement is carried out to inner fire cover 220 and outer fire cover 210.

Further, in order to make tonifying Qi be open 231 pairs of fire cover components 2 secondary air compensating better effect, tonifying Qi be open 231 edges Being equipped with circumferentially-spacedly for connecting plate 230 is multiple, so that tonifying Qi opening 231 is set along the circumferential direction of inner fire cover 220 and outer fire cover 210 It sets, and then auxiliary air supplement can be carried out to the surrounding of inner fire cover 220 and/or outer fire cover 210, keep its burning more abundant. Certainly, using above-mentioned means, the area of tonifying Qi opening 231 is also relatively large, can be conducive to improve more air so that combustion gas with Air is more fully mixed.In some embodiments, tonifying Qi opening 231 is provided with multiple along the circumferential direction of connecting plate 230, and Multiple tonifying Qi openings 231 are placed with two circles along the spaced radial of connecting plate 230, wherein one encloses close to outer fire cover 210, another circle is leaned on Nearly inner fire cover 220 is arranged, and then can carry out auxiliary air supplement to outer fire cover 210 and inner fire cover 220 simultaneously, to guarantee fire cover group The burning of part 2 is more abundant.

In the present embodiment, above-mentioned tonifying Qi opening 231 includes interior gas supplementing opening 232 and outer gas supplementing opening 233, interior gas supplementing opening 232 It closes on interior fire output hole 222 to be arranged, outer gas supplementing opening 233 closes on outer fire output hole 212 and is arranged, and interior gas supplementing opening 232 and outer gas supplementing opening 233 divide It is not multiple along being equipped with for connecting plate 230 circumferentially-spacedly；Interior gas supplementing opening 232 and outer gas supplementing opening 233 along connecting plate 230 it is circumferential according to It is secondary to be arranged alternately.

It is understood that outer gas supplementing opening 233 carries out auxiliary air supplement, interior benefit to the outer fire output hole 212 of outer fire cover 210 Port 232 carries out auxiliary air supplement to the interior fire output hole 222 of inner fire cover 220；Pass through the outer gas supplementing opening 233 being successively arranged alternately With outer gas supplementing opening 233, circumferential direction of the tonifying Qi opening 231 as much as possible along connecting plate 230 may make to be uniformly distributed, and then is more conducive to fire Gas is mixed with the secondary of air, so that fuel gas buring is more abundant.

The opening area of tonifying Qi opening 231 should not be too large, and falls downwards to avoid spot from tonifying Qi opening 231, causes to use The difficult defect of family cleaning.And the opening area of tonifying Qi opening 231 is also unsuitable too small, it is less to avoid the air capacity of supplement, and lead Cause insufficient defect of burning.In order to keep the burning of inner fire cover 220 more abundant, the blocked sewage effect of connecting plate 230 is combined, on State the ratio between the total opening area of interior gas supplementing opening 232 and total hole area of the interior fire output hole 222 of inner fire cover 220 are as follows: 1 to 3； Similarly, in order to keep the burning of outer fire cover 210 more abundant, combine the blocked sewage effect of connecting plate 230, outer gas supplementing opening 233 it is total Ratio between total hole area of the outer fire output hole 212 of opening area and outer fire cover 210 are as follows: 1 to 3.

The shape of above-mentioned tonifying Qi opening 231 can have a variety of implementations, wherein tonifying Qi opening 231 is in circular hole or length The setting of hole；Alternatively, tonifying Qi opening 231 is arranged along the circumferential direction of connecting plate 230 in arcuation, i.e., tonifying Qi is open, and 231 ovals are poroid to be set It sets.

In addition, fire cover component 2 has characteristic resistant to high temperature, inner fire cover 220, connecting plate 230 and outer fire cover 210 are using resistance to The metal material (such as copper) of high temperature is made, for the ease of simplifying the structure of fire cover component 2, above-mentioned inner fire cover 220 and connecting plate 230 can be made of integrated molding mode；Alternatively, outer fire cover 210 and connecting plate 230 are made of one piece；Alternatively, inner fire cover 220, connecting plate 230 and outer fire cover 210 are integrally formed.In the present embodiment, the inner fire cover 220 of above-mentioned fire cover component 2, Connecting plate 230 and 210 three of outer fire cover use made by integrated molding mode, and then can simplify the structure of fire cover component 2, reduce The installation difficulty of fire cover component 2.

Referring again to Figure 28 to Figure 36, and Figure 37 to Figure 39 is combined, to the concrete scheme in auxiliary air additional project four It does to illustrate:

A kind of fire cover component 2 is used for burner 7, and fire cover component 2 includes outer fire cover 210, and the outer fire cover 210 is in a ring Setting, the axial sides of the outer fire cover 210 are respectively air inlet side and go out fiery side, and the outer fire cover 210 offers outer fire output hole 212, the interior of the outer fire cover 210 also has the air supply passage 214 for being connected to its outer peripheral surface and going out fiery side, the air supply passage 214 It is formed with tonifying Qi hole 214c in the fiery side that goes out of the outer fire cover 210, the tonifying Qi hole 214c closes on the outer fire output hole 212 and sets It sets.

Specifically, being respectively air inlet side and fire out along being axially in the two sides being oppositely arranged for the outer fire cover 210 Side, outer fire output hole 212 penetrates through the air inlet side of outer fire cover 210 and goes out fiery side, so that the combustion gas of 210 air inlet side of outer fire cover can pass through Outer fire output hole 212 is ejected to out fiery side and burns.Outer fire cover 210 be usually it is horizontal positioned, air inlet side downward, go out fiery side It is arranged downward.Wherein, the outer fire output hole 212 on outer fire cover 210 is the upper side that outer fire cover 210 is arranged in.

It is better in order to enable the combustion gas at outer fire output hole 212 and air to realize in the combustion process of outer fire cover 210 Contact mixing, in the present embodiment, using air supply passage 214 is arranged in outer fire cover 210 so that the outer peripheral surface of outer fire cover 210 with Upper side (fiery side out) connection of outer fire cover 210, and then extremely by the guidance of air duct air supply passage 214 around outer fire cover 210 The top of outer fire cover 210, tonifying Qi hole 214c closes on outer fire output hole 212 and is arranged, and then contact of the combustion gas with air of being more convenient for, so that Right gas can more fully be burnt.

There are many implementations for the structure of above-mentioned air supply passage 214, which can extend along curve or straight line Extend, as long as the both ends of air supply passage 214 are respectively communicated with the upper side and outer peripheral surface of outer fire cover 210.For example, the tonifying Qi is logical What road 214 can be arranged with straight incline, directly it is connected to the upper side and outer peripheral surface of outer fire cover 210.

Further, above-mentioned air supply passage 214 is preferably used with flowering structure: the air supply passage 214 includes along outer fire cover 210 The inlet channel 214a radially extended and axially extending outlet passageway 214b along outer fire cover 210, outlet passageway 214b set Have multiple, the multiple outlet passageway 214b being connected with same inlet channel 214a are along the extending direction interval of inlet channel 214a Arrangement.

It is understood that same inlet channel 214a can correspond to the multiple outlets of connection for air supply passage 214 Channel 214b, multiple outlet passageway 214b are distributed along the spaced radial of outer fire cover 210.In this way, going out fiery side in outer fire cover 210 The tonifying Qi hole 214c that (upper side) is formed can also arrange along the spaced radial of outer fire cover 210, the outer fire output hole 212 of outer fire cover 210 Combustion gas and the contact area of air increase, and then more conducively air and combustion gas mixing, so that the burning of outer fire cover 210 is more filled Point.

Further, for above-mentioned air supply passage 214, inlet channel 214a is circumferentially-spaced along outer fire cover 210 Ground be equipped with it is multiple so that multiple tonifying Qi hole 214c outer fire cover 210 is set with ground go out fiery side (upper side) so that mending The air filled is preferably mixed with combustion gas, conducive to the full combustion of combustion gas.

It is understood that outer fire cover 210 has multiple outer fire output holes 212, multiple outer fire output holes 212 in the present embodiment Along the circumferentially-spaced distribution of outer fire cover 210, and multiple outer fire output holes 212 are along the multi-turn that is radially provided with of outer fire cover 210, outer fire output hole 212 with tonifying Qi hole 214c along outer fire cover 210 circumferential direction in being successively arranged alternately, and then be more conducive to the combustion gas at outer fire output hole 212 It is mixed with the air at the 214c of tonifying Qi hole.

In order to make the tonifying Qi better effect of air supply passage 214, air be easier to enter air supply passage 214, increase can be passed through The mode of the opening area of the entrance of air supply passage 214 is realized, wherein the radial dimension of inlet channel 214a can be along outer fire cover 210 radial inward is in tapered setting, and then the opening area of the entrance of inlet channel 214a is larger, so that air is easier Enter air supply passage 214 from the outer peripheral surface of outer fire cover 210；Alternatively, the outer peripheral surface of outer fire cover 210 is circumferentially with tonifying Qi annular groove along it 214d, inlet channel 214a are connected to tonifying Qi annular groove 214d.By the way that tonifying Qi annular groove 214d is arranged, it can also increase air supply passage 214 Inlet area so that air is easier to enter air supply passage 214.

Further, there is outer protrusion 211, outer protrusion 211 between the inner periphery and neighboring of outer fire cover 210 Laterally go out fiery side from the air inlet of outer fire cover 210 to protrude, to form external combustion space 213, outer protrusion in the air inlet side of outer fire cover 210 211 offer outer fire output hole 212, and gas supplementing opening is formed on outer protrusion 211.

Fire cover component 2 further includes the inner fire cover 220 set on 210 inside of outer fire cover, and the middle part of inner fire cover 220 has interior protuberance Portion 221, interior protrusion 221 laterally goes out fiery side from the air inlet of the inner fire cover 220 and protrudes, in the air inlet side shape of inner fire cover 220 At internal combustion space 223, interior protrusion 221 is equipped with multiple interior fire output holes 222.Inner fire cover 220 is set, it can further burner 7 Combustion efficiency.

It is worth noting that the structure of the outer protrusion 211 of the outer fire cover 210 in this programme can refer to pure flat fire cover component The structure of the structure of 2 scheme China and foreign countries protrusion 211, the interior protrusion 221 of the inner fire cover 220 in this programme can refer to pure flat fire The structure of interior protrusion 221 in the scheme of cap assemblies 2.Outer fire cover 210 has towards the outer protrusion 211 protruded above, in outer fire cover 210 downside forms the external combustion space 213 being recessed upward, and outer fire output hole 212 is arranged on above-mentioned outer protrusion 211, and then makes It obtains external combustion space 213 and is connected to fiery side out by outer fire output hole 212；Inner fire cover 220 has towards the interior protrusion 221 protruded above, The internal combustion space 223 being recessed upward is formed in the downside of inner fire cover 220, interior fire output hole 222 is arranged in above-mentioned interior protrusion 221 On, so that internal combustion space 223 is connected to fiery side out by interior fire output hole 222.

In order to enable the burning on above-mentioned outer fire cover 210 is more uniform, on the protrusion height of same outer protrusion 211 Outer fire output hole 212 be provided with multiple, and multiple outer fire output holes 212 are along the circumferentially-spaced arrangement of outer fire cover 210.As preferred side Formula, outer fire output hole 212 are uniformly distributed along the circumferential direction of outer fire cover 210, and then guarantee the burning of each position on outer fire cover 210 Uniformly.Further, for inner fire cover 220, the protrusion height of interior protrusion 221 is four circumferential in along inner fire cover 220 Portion gradually increases.The upper surface of the interior protrusion 221 can be arranged in convex-shaped, such as spherical crown surface or the conical surface etc..

It is worth noting that connecting plate 230 is equipped with tonifying Qi opening 231, the tonifying Qi opening 231, which is closed on, goes out fire in described Hole 222 and/or the outer fire output hole 212 setting.

It is mixed to enable the combustion gas of fire cover component 2 sufficiently to carry out contact with air, by being opened up on connecting plate 230 Tonifying Qi opening 231, and then air is carried out two to fire cover component 2 by 231 guidance of tonifying Qi opening to the top of fire cover component 2 Secondary air supplement, keeps its burning more abundant.It is arranged it is understood that tonifying Qi opening 231 can close on interior fire output hole 222, into And auxiliary air supplement is carried out to inner fire cover 220；Or tonifying Qi opening 231 can close on outer fire output hole 212 and be arranged, and then externally fire Lid 210 and then auxiliary air supplement；Certainly, tonifying Qi opening 231 can be equipped with multiple, and the tonifying Qi opening 231 of a portion is faced Nearly outer fire output hole 212 is arranged, remaining tonifying Qi opening 231 is then closed on interior fire output hole 222 and is arranged, and then simultaneously to inner fire cover 220 Auxiliary air supplement is carried out with outer fire cover 210.

In the present embodiment, above-mentioned tonifying Qi opening 231 includes interior gas supplementing opening 232 and outer gas supplementing opening 233, interior gas supplementing opening 232 It closes on interior fire output hole 222 to be arranged, outer gas supplementing opening 233 closes on outer fire output hole 212 and is arranged, and interior gas supplementing opening 232 and outer gas supplementing opening 233 divide It is not multiple along being equipped with for connecting plate 230 circumferentially-spacedly；Interior gas supplementing opening 232 and gas supplementing opening are successively handed over along the circumferential direction of connecting plate 230 For setting.

The opening area of tonifying Qi opening 231 should not be too large, and falls downwards to avoid spot from tonifying Qi opening 231, causes to use The difficult defect of family cleaning.And the opening area of tonifying Qi opening 231 is also unsuitable too small, it is less to avoid the air capacity of supplement, and lead Cause insufficient defect of burning.

In a better embodiment, above-mentioned tonifying Qi opening 231 is only closed on interior fire output hole 222 and is arranged, at this point, inner fire cover 220 only realize auxiliary air supplement by tonifying Qi opening 231, and outer fire cover 210 only realizes auxiliary air by air supply passage 214 Supplement.Since the easy degree that inner fire cover 220 and outer fire cover 210 carry out auxiliary air supplement is different, in order to make 220 He of inner fire cover Outer fire cover 210 can uniformly and adequately burn, the total opening area of tonifying Qi opening 231 and the total cross section of air supply passage 214 Ratio between product is preferred are as follows: 1 to 5.

The utility model also proposes a kind of burner 7, which includes burner 1 and fire cover component 2, the fire cover component 2 Specific structure referring to above-described embodiment, since this burner 7 uses whole technical solutions of above-mentioned all embodiments, At least all beneficial effects brought by the technical solution with above-described embodiment, this is no longer going to repeat them.

It is understood that since above-mentioned fire cover component 2 has multiple and different embodiments, in order to better understand originally The structure of burner 7 respectively does with specifically the structure of burner 7 below with reference to the fire cover component 2 in above-mentioned different schemes It is bright:

One, the particular content of this programme is done to illustrate referring to figs. 1 to Fig. 6 for the fire cover component 2 of pure flat scheme:

A kind of burner 7 is used for gas-cooker, and the burner 7 includes burner 1 and fire cover component 2, and the burner 1 has Mutually independent outer gas chamber 120 and interior gas chamber 110, the outer gas chamber 120 are located on the outer of the interior gas chamber 110 Side, the external combustion space 213 of the fire cover component 2 are connected to the outer gas chamber 120, the internal combustion space 223 of the fire cover component 2 It is connected to the interior gas chamber 110.

Fire cover component 2 includes inner fire cover 220 and outer fire cover 210, wherein the air inlet side of inner fire cover 220 is formed with interior combustion gas Chamber 110, the air inlet side of outer fire cover 210 are formed with outer gas chamber 120, and the corresponding interior gas chamber 110 of inner fire cover 220 is mounted on burner 1 On, the corresponding outer gas chamber 120 of outer fire cover 210 is mounted on burner 1, and the combustion gas in outer gas chamber 120 is introduced into external combustion space 213, burning is then sprayed by outer fire output hole 212, the combustion gas in interior gas chamber 110 is introduced into internal combustion space 223 and then passes through Interior fire output hole 222 sprays burning.

In order to reduce the whole height of burner 7, other than reducing the height of fire cover component 2, the height of burner 1 can be also reduced Degree, for this burner 7, using the combustion system of fully premixed combustion, so that not needing additionally to be arranged on burner 1 Other auxiliary air supplementing structures, and then the structural requirement of internal gas chamber 110 and outer gas chamber 120 can be reduced, so that burner 1 Structure it is relatively easy, in favor of reduce burner 1 whole height.Wherein: this burner 7 includes interior ejector pipe 4 and outer injection Pipe 3, interior ejector pipe 4 are connected to the interior gas chamber 110 of burner 1, and outer ejector pipe 3 is connected to the outer gas chamber 120 of burner 1, are inside drawn The inlet for penetrating pipe 4 and outer ejector pipe 3 is respectively arranged with air regulating board 5 and primary air air inlet 6, the nozzle difference of burner 7 It is arranged towards the entrance of interior ejector pipe 4 and outer ejector pipe 3, high-speed fuel gas is sprayed by nozzle, and then by air from interior ejector pipe 4 6 injection of primary air air inlet to interior ejector pipe 4, and then air and combustion gas are realized in interior ejector pipe 4 and interior gas chamber 110 Mixing；High-speed fuel gas is sprayed by nozzle, and then by air from 6 injection of primary air air inlet of outer ejector pipe 3 to drawing outside Pipe 3 is penetrated, and then realizes the mixing of air and combustion gas in outer ejector pipe 3 and outer gas chamber 120.

Above-mentioned outer ejector pipe 3 and interior ejector pipe 4 can be arranged with burner 1 in split settings or three in one.In this reality It applies in example, outer ejector pipe 3, interior ejector pipe 4 and burner 1 are integrated setting, such as three can be linked to be in the form of casting It is wholely set.

Due to using the combustion system of fully premixed combustion, air can only be carried out by primary air air inlet and combustion gas It is pre-mixed, in order to guarantee that it is more uniform that the combustion gas in outer gas chamber 120 mixes with air, the diameter value of above-mentioned outer ejector pipe 3 It is 13 millimeters to 17 millimeters, to realize that the combustion gas in outer gas chamber 120 can burn more sufficiently, and then reduces the generation of combustion gas.

Similarly, in order to ensure the combustion gas in interior gas chamber 110 mix with air it is more uniform, above-mentioned interior ejector pipe 4 it is straight Diameter value is 8 millimeters to 12 millimeters, to realize that the combustion gas in interior gas chamber 110 can burn more sufficiently, and then reduces the production of combustion gas It is raw.

Above-mentioned burner 1 includes chassis 100 and the first annular flange 101, the second ring flange that extend upward from chassis 100 102 and third annular flange 103, first annular flange 101, the second annular flange 102 and third annular flange 103 radially towards Outer first annular flange 101 constitutes interior gas chamber 110 open upward in being successively intervally arranged, first annular flange 101 and the Heat-insulation chamber 130 is constituted between second ring flange 102, is constituted between the second annular flange 102 and third annular flange 103 and is opened upward The outer gas chamber 120 of mouth；The inner fire cover 220 of fire cover component 2 is covered on the opening of interior gas chamber 110, fire cover component 2 it is outer Fire cover 210 is covered on the opening of the outer gas chamber 120.There is certain interval between inner fire cover 220 and outer fire cover 210, it is interior Also there is certain interval between gas chamber 110 and outer gas chamber 120, and then form heat-insulation chamber 130, by forming heat-insulation chamber 130, it is ensured that there is good isolation effect between interior gas chamber 110 and outer gas chamber 120, while avoiding 220 He of inner fire cover Outer fire cover 210 is excessively concentrated, so that the flame distribution of burner 7 is more evenly.

In the preferred embodiment of fire cover component 2, also there is connecting plate between inner fire cover 220 and outer fire cover 210 230, at this point, the connecting plate 230 can cover the opening for closing heat-insulation chamber 130, and then the spots such as impurity, soup is avoided to fall to burner 1 Heat-insulation chamber 130 in, in order to which spot of the user to burner 7 is cleared up.

Further, the air inlet side of inner fire cover 220 is sealed against with first annular flange 101, and then to avoid interior combustion gas Combustion gas in chamber 110 is leaked in burner 1 and the junction of inner fire cover 220；The air inlet side of outer fire cover 210 respectively with the second ring Shape flange 102 and third annular flange 103 seal against, and then to avoid the combustion gas in outer gas chamber 120 in burner 1 and outer fire The junction of lid 210 leaks.

For the ease of the installation of inner fire cover 220, the air inlet side of the inner fire cover 220 is formed with the first defining flange 226, this One defining flange 226 is along the circumferentially extending of inner fire cover 220, and the first defining flange 226 is located in first annular flange 101, and The outer peripheral surface of one defining flange 226 is abutted with the inner peripheral surface of first annular flange 101, to prevent inner fire cover 220 from sending out with respect to burner 1 Raw radial deflection；For the ease of the installation of outer fire cover 210, the neighboring of the air inlet side of the outer fire cover 210 is formed with the second limit Position flange 216, second defining flange 216 along outer fire cover 210 circumferentially extending, and third annular flange 103 be located at second limit In the flange 216 of position, the inner peripheral surface of the second defining flange 216 is abutted with the inner peripheral surface of third annular flange 103, to prevent inner fire cover Radial deflection occurs for 220 opposite burners 1.

In addition, the position for corresponding to the ignition electrode via hole 234 on fire cover component 2 on burner 1 offers ignition electrode mounting hole 160, and then convenient for ignition electrode to be mounted on burner 1, ignition electrode via hole 234 is run through in the upper end of the ignition electrode, and then in order to It ignites combustion gas, realizes ignition operation；The position of inductive needle via hole 235 on the corresponding fire cover component 2 of burner 1 has set inductive needle installation Ignition electrode via hole 234 is run through in hole 170, and then convenient for inductive needle to be mounted on burner 1, the upper end of the inductive needle, and then so as to It is detected in ignition temperature.

Two, for the fire cover component 2 of auxiliary air additional project one, referring to Fig. 7 to Figure 17, to the particular content of this programme It does to illustrate:

A kind of burner 7 is used for gas-cooker, and burner 7 includes burner 1 and fire cover component 2, and burner 1 has outer gas chamber 120, the air inlet side of the outer fire cover 210 of fire cover component 2 is connected to outer gas chamber 120.

Further, in one embodiment, it is in the interior gas chamber being independently arranged that burner 1, which also has with outer gas chamber 120, 110, outer 120 compartment of terrain of gas chamber is located on the outside of interior gas chamber 110, is spaced between outer gas chamber 120 and interior gas chamber 110 Tonifying Qi chamber 140 is constituted, burner 1 is also provided with the tonifying Qi import being connected to tonifying Qi chamber 140；The inner fire cover 220 of fire cover component 2 into Gas side is connected to interior gas chamber 110, and the tonifying Qi opening 231 of fire cover component 2 is connected to tonifying Qi chamber 140 or the benefit of fire cover component 2 Gas gap 240 is connected to tonifying Qi chamber 140.

It is worth noting that compared with the burner 7 (for the fire cover component 2 of pure flat scheme) in a upper embodiment, For the burner 1 of this programme, what interval was formed between interior gas chamber 110 and outer gas chamber 120 is tonifying Qi chamber 140, and It is additionally provided with tonifying Qi import on the burner 1, so that outside air can free in and out tonifying Qi chamber 140.Fire cover component 2 has tonifying Qi Gap 240 perhaps tonifying Qi opening 231 in this way, by tonifying Qi chamber 140 on fire cover component 2 tonifying Qi gap 240 or tonifying Qi open Mouth 231 is connected, and realizes and supplements the auxiliary air of fire cover component 2, so that the burning of burner 7 is more abundant.Wherein, this programme Burner 1 and 1 structure of burner of the burner 7 (for the fire cover component 2 of pure flat scheme) in a upper embodiment it is more similar, It no longer repeats one by one herein.

Three, for the fire cover component 2 of auxiliary air additional project two, referring to Fig.1 8 to Figure 27, to this programme it is specific in Appearance is done to illustrate:

A kind of burner 7 is used for gas-cooker, and burner 7 includes burner 1 and fire cover component 2, and burner 1 has mutually indepedent Outer gas chamber 120 and interior gas chamber 110, outer 120 compartment of terrain of gas chamber is located on the outside of interior gas chamber 110, outer gas chamber Interval constitutes tonifying Qi chamber 140 between 120 and interior gas chamber 110；The air inlet side and outer gas chamber of the outer fire cover 210 of fire cover component 2 120 connections, the air inlet side of the inner fire cover 220 of fire cover component 2 are connected to interior gas chamber 110.

Further, above-mentioned burner 1 is also provided with the tonifying Qi import being connected to tonifying Qi chamber 140.

It is worth noting that the burner 7 in the burner 1 of this programme and a upper embodiment (is supplemented for auxiliary air The fire cover component 2 of scheme one) 1 structure of burner it is more similar, no longer repeat one by one herein.Wherein, the interior gas chamber of burner 1 Interval forms tonifying Qi chamber 140 between 110 and outer gas chamber 120, and is additionally provided with tonifying Qi import on the burner 1, so that extraneous Air can free in and out tonifying Qi chamber 140.Fire cover component 2 has tonifying Qi gap 240, and tonifying Qi gap 240 is connected with tonifying Qi chamber 140 It is logical, it realizes and the auxiliary air of fire cover component 2 is supplemented, so that the burning of burner 7 is more abundant.

Four, for the fire cover component 2 of auxiliary air additional project three, referring to Figure 28 to Figure 36, to the specific interior of this programme Appearance is done to illustrate:

A kind of burner 7 is used for gas-cooker, and burner 7 includes burner 1 and fire cover component 2, and burner 1 has mutually indepedent Outer gas chamber 120 and interior gas chamber 110, outer 120 compartment of terrain of gas chamber is located on the outside of interior gas chamber 110, outer gas chamber Interval constitutes tonifying Qi chamber 140 between 120 and interior gas chamber 110, and burner 1 is also provided with the tonifying Qi import being connected to tonifying Qi chamber 140；

The air inlet side of the outer fire cover 210 of fire cover component 2 is connected to the outer gas chamber 120, the inner fire cover of fire cover component 2 220 air inlet side is connected to interior gas chamber 110, and the tonifying Qi opening 231 of fire cover component 2 is connected to tonifying Qi chamber 140.

Further, the tonifying Qi opening 231 is in shift to install, and then tonifying Qi can be prevented to be open with the tonifying Qi import The sundries fallen at 231 directly blocks tonifying Qi import, to guarantee the circulation of air in tonifying Qi chamber 140, in favor of auxiliary air benefit It fills.

It is worth noting that the burner 7 in the burner 1 of this programme and a upper embodiment (is supplemented for auxiliary air The fire cover component 2 of scheme two) 1 structure of burner it is more similar, no longer repeat one by one herein.Wherein, the interior gas chamber of burner 1 Interval forms tonifying Qi chamber 140 between 110 and outer gas chamber 120, and is additionally provided with tonifying Qi import on the burner 1, so that extraneous Air can free in and out tonifying Qi chamber 140.Fire cover component 2 has tonifying Qi opening 231, and tonifying Qi opening 231 is connected with tonifying Qi chamber 140 It is logical, it realizes and the auxiliary air of fire cover component 2 is supplemented, so that the burning of burner 7 is more abundant.

Five, for the fire cover component 2 of auxiliary air additional project four, referring again to Figure 28 to Figure 36, and Figure 37 is combined extremely Figure 39 does to illustrate the particular content of this programme:

A kind of burner 7 is used for gas-cooker, and burner 7 includes burner 1 and fire cover component 2, and the burner 1 has external combustion Air cavity 120, the air inlet side of the outer fire cover 210 of fire cover component 2 are connected to outer gas chamber 120.

Further, it is in the interior gas chamber 110 being independently arranged, outer gas chamber 120 that burner 1, which also has with outer gas chamber 120, Compartment of terrain is located on the outside of interior gas chamber 110, and interval constitutes tonifying Qi chamber 140 between outer gas chamber 120 and interior gas chamber 110, Burner 1 is also provided with the tonifying Qi import being connected to tonifying Qi chamber 140；The air inlet side and interior gas chamber of the inner fire cover 220 of fire cover component 2 The tonifying Qi opening 231 of 110 connections, fire cover component 2 is connected to tonifying Qi chamber 140.

It is worth noting that the burner 7 in the burner 1 of this programme and a upper embodiment (is supplemented for auxiliary air The fire cover component 2 of scheme three) 1 structure of burner it is more similar, no longer repeat one by one herein.Wherein, the interior gas chamber of burner 1 Interval forms tonifying Qi chamber 140 between 110 and outer gas chamber 120, and is additionally provided with tonifying Qi import on the burner 1, so that extraneous Air can free in and out tonifying Qi chamber 140.Fire cover component 2 has tonifying Qi opening 231, and tonifying Qi opening 231 is connected with tonifying Qi chamber 140 It is logical, it realizes and the auxiliary air of fire cover component 2 is supplemented, so that the burning of burner 7 is more abundant.

The utility model also proposes a kind of gas-cooker, which includes burner, the specific structure reference of the burner Above-described embodiment at least has above-mentioned reality since this gas-cooker uses whole technical solutions of above-mentioned all embodiments All beneficial effects brought by the technical solution of example are applied, this is no longer going to repeat them.Wherein, the combustion gas type of the gas-cooker can To be oil liquefied gas or natural gas, it is not especially limited herein.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims

1. a kind of fire cover component, it to be used for burner, which is characterized in that the fire cover component includes:

Outer fire cover is arranged in a ring, has outer protrusion between the inner periphery and neighboring of the outer fire cover, described outer grand The portion of rising laterally goes out fiery side from the air inlet of the outer fire cover and protrudes, described to form external combustion space in the air inlet side of the outer fire cover Outer protrusion offers outer fire output hole；And

Inner fire cover, set on the inside of the outer fire cover, the middle part of the inner fire cover has an interior protrusion, and the interior protrusion is from institute The air inlet for stating inner fire cover laterally goes out fiery side protrusion, to form internal combustion space, the interior protrusion in the air inlet side of the inner fire cover Equipped with interior fire output hole.

2. fire cover component as described in claim 1, which is characterized in that from the neighboring of the outer fire cover towards inner circumference On the direction of edge, the protrusion height of the outer protrusion is arranged in a manner of being first gradually increased, gradually decreasing again.

3. fire cover component as described in claim 1, which is characterized in that the outer fire output hole be equipped with it is multiple, it is multiple described outgoing Fire hole is distributed along the spaced radial of the outer fire cover, so that the difference that multiple outer fire output holes are arranged in the outer protrusion is high The position of degree.

4. fire cover component as claimed in claim 3, which is characterized in that on the protrusion height of the same outer protrusion The outer fire output hole be provided with it is multiple, and along the circumferentially-spaced arrangement of the outer fire cover.

5. fire cover component as described in claim 1, which is characterized in that the protrusion height of the interior protrusion is along the inner fire cover Four circumferential gradually increased towards middle part.

6. fire cover component as described in claim 1, which is characterized in that the interior fire output hole be equipped with it is multiple, it is multiple it is described in go out Fire hole is circumferentially arranged towards middle part direction along the four of the inner fire cover, so that multiple interior fire output holes are arranged in the interior protrusion Different height position.

7. fire cover component as claimed in claim 6, which is characterized in that on the protrusion height of the same interior protrusion The interior fire output hole be provided with it is multiple, and along the circumferentially-spaced arrangement of the inner fire cover.

8. fire cover component as described in claim 1, which is characterized in that the protrusion height of the interior protrusion is less than or equal to 20 Millimeter；And/or

9. fire cover component as described in claim 1, which is characterized in that the hole depth value of the interior fire output hole is 3 millimeters to 5 millis Rice；And/or

10. fire cover component as in one of claimed in any of claims 1 to 9, which is characterized in that the inner fire cover and the outer fire Lid is set in distance radially, and the fire cover component further includes the connection being located between the inner fire cover and the outer fire cover Plate.

11. fire cover component as claimed in claim 10, which is characterized in that the interior protrusion is also provided with flash hole, described Flash hole closes on connecting plate setting, correspond on the connecting plate position of the flash hole equipped with ignition electrode via hole and/or Inductive needle via hole.

12. fire cover component as claimed in claim 11, which is characterized in that the root of the interior protrusion is equipped with intermediate incline, The intermediate incline extends from the top of the inner fire cover to the connecting plate direction；

The flash hole is opened on the intermediate incline.

13. fire cover component as claimed in claim 10, which is characterized in that the inner fire cover is in integrally to set with the connecting plate It sets；And/or

The outer fire cover is in be wholely set with the connecting plate.

14. a kind of burner is used for gas-cooker, which is characterized in that the burner includes in burner and such as claim 1 to 13 Fire cover component described in any one, the burner have mutually independent outer gas chamber and interior gas chamber, the outer gas chamber It is located on the outside of the interior gas chamber, the external combustion space of the fire cover component is connected to the outer gas chamber, the fire cover group The internal combustion space of part is connected to the interior gas chamber.

15. burner as claimed in claim 14, which is characterized in that the burner includes chassis and prolongs upward from the chassis First annular flange, the second annular flange and the third annular flange stretched, the first annular flange, the second annular flange and Three annular flanges are in successively to be intervally arranged radially outward, and the first annular flange constitutes the interior combustion gas open upward Chamber constitutes heat-insulation chamber, second annular flange and the third between the first annular flange and the second ring flange The outer gas chamber open upward is constituted between annular flange；

The inner fire cover of the fire cover component is covered on the opening of the interior gas chamber, and the outer fire cover of the fire cover component is covered on institute State the opening of outer gas chamber.

16. burner as claimed in claim 15, which is characterized in that the air inlet side of the inner fire cover with it is described first annular convex Edge seals against, and the air inlet side of the outer fire cover is sealed against with second annular flange and third annular flange respectively.

17. the burner as described in any one of claim 14 to 16, which is characterized in that the burner further includes and institute The outer ejector pipe of people stating the interior ejector pipe of interior gas chamber connection, being connected to the outer gas chamber, in which:

18. a kind of gas-cooker, including the burner as described in any one of claim 14 to 17.