CN206989200U - Burner, burner and the gas-cooker of burner for gas kitchen range - Google Patents

Abstract

The application is on a kind of burner of burner for gas kitchen range, burner and gas-cooker.Wherein, the burner (2) of the burner for gas kitchen range (1) includes fire cover base (4) and the fire cover (3) being removably covered on the fire cover base (4), the fire cover (3) cooperatively forms the inner ring mixing chamber (13) and outer shroud mixing chamber (23) being isolated with the fire cover base (4), the inner ring mixing chamber (13) is used to accommodate the combustion gas supplied by inner ring gas nozzle (511), the outer shroud mixing chamber (23) is used to accommodate the combustion gas supplied by outer shroud gas nozzle (521), the single piece that the fire cover (3) or the fire cover base (4) are formed in one.The technical program can reduce the amount of parts of burner, be easy to manufacture and assembly, reduce cumulative limit.

Description

Burner, burner and the gas-cooker of burner for gas kitchen range

【Technical field】

The application is related to gas-cooker field, refers in particular to a kind of burner of burner for gas kitchen range, has the combustion of the burner Burner and the gas-cooker with the burner.

【Background technology】

Cooking method makes consumers wish that the thermic load of household cooker product is big as far as possible, and energy-saving effect is as far as possible It is good.Therefore, such product turns into the emphasis of each gas-cooker producer research and development.

【The content of the invention】

The purpose of the application is, for above technical problem, there is provided a kind of burner of improved burner for gas kitchen range, Burner with the burner and the gas-cooker with the burner.

To reach above-mentioned technical purpose, the application proposes a kind of following technical scheme first：A kind of gas-cooker burning The burner of device, including fire cover base and the fire cover that is removably covered on the fire cover base, the fire cover and the fire cover Base engagement forms the inner ring mixing chamber and outer shroud mixing chamber being isolated, and the inner ring mixing chamber is used to accommodate by inner ring gas injection The combustion gas of mouth supply, the outer shroud mixing chamber are used to accommodate the combustion gas supplied by outer shroud gas nozzle, wherein, the fire cover or institute State the single piece that fire cover base is formed in one.So, the amount of parts of burner can be reduced, is easy to manufacture and assembly, burner The parts not easy to be lost during assembling, transport and user's use.On the other hand, the technical scheme can reduce the tired of burner Product tolerance.

In a kind of possible way of example, the fire cover and the fire cover base are respectively integrally formed entirety Part.Such structure design, make burner only have two parts to form, be more convenient manufacture and assembly；And burner can be reduced Cumulative limit, fire cover and the cooperation of fire cover base is set to fit together perfectly.This implementation can be formed by way of forging and stamping, die casting or casting The integrally formed single piece of example.

In a kind of possible way of example, the fire cover includes inner ring cap and is looped around the inner ring cap periphery Outer shroud cap, the bottom of the outer shroud cap is recessed outer shroud depressed part, the outer shroud depressed part and the fire cover base The outer shroud mixing chamber is cooperatively formed, the outer shroud gas outlet of the outer shroud mixing chamber is communicated with the outer shroud cap；It is described Inner ring cap bottom has the first depressed part of indent, and first depression forms the inner ring with the fire cover base engagement and mixed Air chamber, the first gas outlet of the inner ring mixing chamber is communicated with the inner ring cap, wherein, also set on the inner ring cap There is the second gas outlet, second gas outlet is connected with the outer shroud mixing chamber.

So as to, when burner be in most big fire, the outer shroud gas outlet on outer shroud cap, the first gas outlet on inner ring cap and There is flame second gas outlet, and burner can reach sufficiently large power, ensures its thermal efficiency and is heated evenly the bottom of a pan simultaneously；When When burner is in most small fire, the outer shroud blast tube corresponding to outer shroud gas nozzle is closed, so as to which outer shroud mixing chamber does not have combustion gas Supply, the fray-out of flame on the external ring fire cover of burner, the flame of the second gas outlet on interior ring fire cover is also in OFF state, only First gas outlet maintains flame.Therefore, under burner use state, the inner ring cap of burner can have in burner most big fire There is sufficiently large power, to ensure the thermal efficiency of whole burner；And in burner most small fire, sufficiently small power is can reach, with Meet the needs of user is to small fire, such as boil milk, cook gruel, be incubated or cook catsup.Using the combustion gas of the technical program burner Stove, there is broader firepower or Power control range than existing gas-cooker.

Another has technical effect that the second gas outlet on burner inner ring cap is connected with outer shroud mixing chamber, Combustion gas is supplied in second gas outlet by outer shroud gas nozzle, can obtain more sufficient primary air amount, and burning is more abundant, reduces CO Deng the discharge of waste gas, and the thermal efficiency of burner is remarkably improved, by experiment, using the combustion gas of the embodiment burner of the application one The thermal efficiency of stove may be up to 69~70%.And existing gas-cooker can only preferably accomplish 64~65% on the market.

In a kind of possible way of example, the bottom of the inner ring cap also has the second depressed part of indent, institute The periphery that the second depressed part is arranged at first depressed part is stated, under the use state of the burner, second depressed part It is isolated with the inner ring mixing chamber, and second depressed part is connected with the outer shroud mixing chamber, second gas outlet Connect second depressed part.Second depressed part can not only play a part of buffering combustion gas, can also shorten the second gas outlet or company The channel depth of the interface channel of logical second gas outlet, is easier the manufacture of the second gas outlet, and otherwise drilling depth is excessive, bores Head is easily broken off in the passage bored, causes whole fire cover to be scrapped.

In a kind of possible way of example, the fire cover also includes being connected to the outer shroud cap and the interior ring cowling At least one connecting portion between portion, the fire cover base are provided with outer shroud fuel gas inlet, the outer shroud fuel gas inlet be used for for by The combustion gas that outer shroud gas nozzle is supplied enters the burner, and the connecting portion forms air guide with the fire cover base engagement and led to Road, the air guide channel connect the outer shroud fuel gas inlet and the outer shroud mixing chamber.Connecting portion not only forms air guide channel Part, also inner ring cap and outer shroud cap are connected, so as to the fire cover of the present embodiment can be formed it is integrally formed Single piece.Wherein, the connecting portion may include flat part, and fire cover base leads to provided with matched groove so as to form air guide Road；Or the connecting portion includes groove, fire cover base is provided with matched flat part or groove so as to form air guide channel.

In a kind of possible way of example, the fire cover base has at least one air slot, the air slot with Connecting portion cooperatively forms the air guide channel.

In a kind of possible way of example, the fire cover base also includes multiple distributary divisions, and the outer shroud combustion gas is entered Mouth is separated into multiple points of gas ports by the distributary division, and each air slot corresponds at least one distributary division.

So as to which the combustion gas of outer shroud fuel gas inlet first passes through distributary division shunting, is divided into multiply fuel gas flow, the pressure of combustion gas Power reduces, and flow velocity reduces, in favor of follow-up well mixed.And the technical program further has the technical effect that, from one point The Some gases air-flow for dividing gas port to come out for dividing the Some gases air-flow that gas port comes out and the distributary division opposite side of stream portion side The air slot corresponding to the distributary division is imported again, and this has carried out second diffluence equivalent on the basis of above shunting.I.e. once The air-flow of outer shroud fuel gas inlet is divided into multiply air-flow by shunting, and second diffluence is to import to lead after multiply air-flow above is shunted again In air drain, so that being mixed into the fuel gas flow in groove more uniform.

In a kind of possible way of example, the center of each one air slot of distributary division face. So so that combustion gas is got more uniform.Divide the gas quantity that gas port separates half and the distributary division another from distributary division side The gas quantity for dividing gas port to separate half of side imports in the air slot corresponding to the distributary division again.

In a kind of possible way of example, the fire cover base also includes barrel, the entrance structure of the barrel Into inner ring fuel gas inlet, the inner ring fuel gas inlet is used to enter the burner for the combustion gas supplied by inner ring gas nozzle, Under the use state of the burner, the barrel cooperatively forms the inner ring with surrounding the part of first depressed part and mixed Air chamber, the distributary division are connected between the outer wall of the barrel and the wall for surrounding the outer shroud fuel gas inlet.The embodiment party Formula is advantageous in that inner ring fuel gas inlet is formed on fire cover base with outer shroud fuel gas inlet, is advantageous to reduce whole burner Or the cumulative limit of the parts of burner.For example inner ring fuel gas inlet, the outer shroud fuel gas inlet on fire cover base are in same Plane, can once it be formed in process, tolerance is small, and the upper surface of the inner ring pressure stabilizing cavity in burner base, outer shroud are steady Pressure chamber upper surface can also be in same plane, and time processing forms, and fire cover base coordinates just largely with burner base Reduce the cumulative limit of whole burner.

In a kind of possible way of example, the bearing of trend of the distributary division and combustion gas are in the outer shroud fuel gas inlet The airflow direction at place is perpendicular.The setting of distributary division adds the resistance at outer shroud fuel gas inlet, and the fuel gas flow of entrance is risen To decompression, the effect of flow velocity is reduced, so as to subsequently mix evenly.

In a kind of possible way of example, the fire cover base includes multiple air intlets, and the fire cover is corresponding more The individual air intlet is respectively equipped with multiple air outlet slits, and the air intlet cooperatively forms air with the air outlet slit and led to Road；The fire cover base has multiple spaced enclosing portions, and each enclosing portion surrounds an air intlet, phase The air slot is formed between two adjacent enclosing portions.In one of preferred embodiment, each enclosing portion is with being enclosed Air intlet there is identical cross section.The air duct burns to burner supplements auxiliary air.The air duct is direct Communicated with ambient atmosphere.

In a kind of possible way of example, the gross area of all first gas outlets is less than institute in the fire cover The gross area for second gas outlet having；Or the gross area of all first gas outlet is more than institute in the fire cover The gross area for second gas outlet having.The gross area of all first gas outlets is less than all institutes in the fire cover State the gross area of the second gas outlet.So as to which the second gas outlet being connected on inner ring cap with outer shroud mixing chamber has bigger Go out fiery area, that is to say, that the main gas outlet on inner ring cap is supplied by outer shroud gas nozzle, and go out fiery area it is smaller One gas outlet is supplied by inner ring gas nozzle, and this can realize inner ring cap in most small fire, and power is as low as possible；And work as inner ring When there is flame the first gas outlet and the second gas outlet on cap, the supply of primary air amount is more sufficient, more abundant, thermal effect of burning Rate is higher, can reach 69~70%, far above existing burner.And when designing fire cover, the first gas outlet may be designed to interior Steady the flame groove or stable flame hole in ring cowling portion, the second gas outlet can be designed to the main venthole of inner ring cap or main outgassing groove.

Conversely, the gross area of first gas outlet all in the fire cover is more than all second gas outlets The gross area, when designing fire cover, the first gas outlet may be designed to the main venthole of inner ring cap or main outgassing groove, the second gas outlet Steady the flame groove or stable flame hole of inner ring cap can be designed to.

In a kind of possible way of example, first gas outlet is formed at the inner ring with second gas outlet On same smooth surface on cap.It is pointed out that if the first gas outlet or the second gas outlet are smooth along one The annular outgassing groove of periphery circumferentially extending, it is impossible to periphery is divided into by two surfaces with annular outgassing groove and served as reasons, is considered as two Person is formed at two surfaces, in this case, it should also be appreciated that being formed at same smooth surface for the two.

In a kind of possible way of example, the fire cover base also includes barrel, the entrance structure of the barrel Into inner ring fuel gas inlet, the inner ring fuel gas inlet is used to enter the burner for the combustion gas supplied by inner ring gas nozzle, Under the use state of the burner, the barrel cooperatively forms the inner ring with surrounding the part of first depressed part and mixed Air chamber.So as to realize and isolate inner ring mixing chamber and outer shroud mixing chamber.

In a kind of possible way of example, the inner ring cap includes inner ring portions and is removably covered on described Top cover in inner ring portions.The outer shroud cap forms integrally formed single piece with the inner ring portions.

The application also provides a kind of burner for gas kitchen range, and it includes the burner of burner for gas kitchen range as described above.

In a kind of possible way of example, the burner for gas kitchen range includes burner base, and the burner can Releasably it is positioned in the burner base.

In a kind of possible way of example, the burner for gas kitchen range includes burner base, and the burner is set It is placed in the burner base, the burner base includes inner ring spraying system and outer shroud spraying system, the interior ring spray Penetrating system includes the inner ring gas nozzle, the inner ring induction tunnel being connected with the inner ring gas nozzle and draws with the inner ring Penetrate the connected inner ring pressure stabilizing cavity of pipe；The outer shroud spraying system includes the outer shroud gas nozzle and the outer shroud gas nozzle Connected outer shroud induction tunnel and the outer shroud pressure stabilizing cavity being connected with the outer shroud induction tunnel, the inner ring pressure stabilizing cavity and the inner ring Mixing chamber is connected, and the outer shroud pressure stabilizing cavity is connected with the outer shroud mixing chamber.

Last the application also provides a kind of gas-cooker, and it includes burner for gas kitchen range as described above.

【Brief description of the drawings】

Fig. 1 is the stereogram of the fire cover of the application first embodiment；

Fig. 2 is the bottom-up stereogram of the fire cover of the application first embodiment；

Fig. 3 is the sectional view of the fire cover of the application first embodiment；

Fig. 4 is sectional view of the fire cover of the application first embodiment along another section；

Fig. 5 is the sectional view of the fire cover of the application second embodiment；

Fig. 6 is the bottom-up stereogram of the fire cover of the application second embodiment；

Fig. 7 is the explosive view of the burner of the embodiment of the application one；

Fig. 8 is the stereogram of the burner of the embodiment of the application one；

Fig. 9 is the stereogram of the fire cover base of the embodiment of the application one；

Figure 10 is the explosive view of the burner of the embodiment of the application one；

Figure 11 is the stereogram of the burner of the embodiment of the application one；

Figure 12 is the sectional view of the burner of the application first embodiment；

Figure 13 is the sectional view of the burner of the application second embodiment.

Reference：

1- burners；2- burners；3- fire covers；4- fire cover bases；5- burner bases；10- inner ring caps；11- first is recessed The portion of falling into；The depressed parts of 12- second；13- inner ring mixing chambers；14- fire cover positioning holes；15- connecting portions；16- air outlet slits；20- outer shrouds Cap；21- outer shroud depressed parts；23- outer shroud mixing chambers；40- barrels；41- inner ring fuel gas inlets；42- outer shroud fuel gas inlets； 43- air slots；44- external annulus；45- enclosings portion；46- air intlets；47- grooves；48- fire cover locating dowels；51- inner ring injection system System；52- outer shroud spraying systems；53- thermocouples；54- ignition electrodes；100- wall bodies portion；The gas outlets of 101- first；The outlets of 102- second Mouthful；103- interface channels；104,203- connecting holes；150- link slots；201,202- outer shrouds gas outlet；420- divides gas portion；511- Inner ring gas nozzle；512- inner ring induction tunnels；513- inner ring pressure stabilizing cavities；521- outer shroud gas nozzles；522- outer shroud induction tunnels； 523- outer shroud pressure stabilizing cavities；42a, 42b, 42c- divide gas port；100a- extensions；101a, 101b, 101c, 101d- venthole.

【Embodiment】

To make the purpose to the application, construction, feature and its function have further understanding, hereby coordinate embodiment detailed It is described as follows.

First, Fig. 1 to Fig. 4 is refer to, Fig. 1 is the stereogram of the fire cover of the application first embodiment；Fig. 2 is the application the The bottom-up stereogram of the fire cover of one embodiment；Fig. 3 is the sectional view of the fire cover of the application first embodiment；Fig. 4 is this Apply for sectional view of the fire cover of first embodiment along another section.The fire cover 3 of the burner for gas kitchen range of the present embodiment is one Integrally formed single piece, fire cover 3 include inner ring cap 10 and outer shroud cap 20.

The bottom of inner ring cap 10 has the first depressed part 11 of indent, and the first depressed part 11 is used to accommodate by inner ring gas injection The combustion gas of mouth supply, the first gas outlet 101 of the first depressed part 11 is communicated with inner ring cap 10.Wrap the first gas outlet 101 Air drain is included, outgassing groove is the annular groove circumferentially extended along the outer circumference surface of inner ring cap 10, is provided with outgassing groove by outlet Multiple connecting holes 104 that groove connects with the first depressed part 11.

Outer shroud cap 20 is looped around the periphery of inner ring cap 10, and the bottom of outer shroud cap 20 is recessed outer shroud depressed part 21, Outer shroud depressed part 21 is used to accommodate the combustion gas supplied by outer shroud gas nozzle, under the use state of fire cover 3, the first depressed part 11 It is isolated with outer shroud depressed part 21.The outer shroud gas outlet 201 that outer shroud depressed part 21 is communicated with outer shroud cap 20 goes out with outer shroud Gas port 202.Wherein, outer shroud gas outlet 201 is included along the circumferentially distributed multiple ventholes of outer shroud cap 20, outer shroud gas outlet 202 Including an outgassing groove circumferentially extended along outer shroud cap 20, it is provided with outgassing groove and connects outgassing groove with outer shroud depressed part 21 Multiple connecting holes 203.

The second gas outlet 102 is additionally provided with inner ring cap 10, the second gas outlet 102 includes multiple ventholes.Wherein, first The gas outlet 102 of gas outlet 101 and second is formed at same smooth surface on inner ring cap 10 i.e. on outer circumference surface 10b. Moreover, the outer rim position of the outer rim of the upright projection of first gas outlet 101 of the present embodiment and the upright projection of the second gas outlet 102 In on same circumference.Under the use state of fire cover 3, the second gas outlet 102 is connected with outer shroud depressed part 21.Specifically, originally The bottom of the inner ring cap 10 of embodiment also has the second depressed part 12 of indent, and the second depressed part 12 is arranged at the first depressed part 11 periphery.Under the use state of fire cover 3, the second depressed part 12 is isolated with the first depressed part 11, the second depressed part 12 with Outer shroud depressed part 21 is connected, and the second gas outlet 102 connects the second depressed part 12.So as to which the second gas outlet 102 makes in fire cover Connected with state with outer shroud depressed part 21.

Fig. 2 and Fig. 3 are refer to, inner ring cap 10 includes around the wall body portion 100 of the first depressed part 11, wall body portion 100 In be communicated with multiple interface channels 103 of the second gas outlet 102 and the second depressed part 12, multiple interface channels 103 are multiple The connecting hole circumferentially distributed along wall body portion 100.Wall body portion 100 further comprises prominent extension 100a, extension 100a Be provided under the use state of fire cover 3 and separate the first depressed part 11 and the second depressed part 12, on this point, behind have The description of expansion.

In the present embodiment, the gross area of the first all gas outlets 101 is less than the second all gas outlets 102 in fire cover 3 The gross area.So as to which the burned flame of the second gas outlet 102 supplied by outer shroud gas nozzle forms the master on inner ring cap 10 Flame is wanted, the burned flame of the first gas outlet 101 supplied by inner ring gas nozzle forms auxiliary flame, plays stable main fire The effect of flame burning.When the fire cover of the present embodiment can have flame in external ring lid portion, burning is more abundant, and the thermal efficiency can reach 69~70%, and the CO discharges of fire cover burning can be reduced；In fire cover most small fire, power is sufficiently small.

Fire cover 3 also includes at least one connecting portion 15 being connected between outer shroud cap 20 and inner ring cap 10, in fire cover 3 Use state under, connecting portion 15 forms the composition portion of the air guide channel for connecting the depressed part 12 of outer shroud depressed part 21 and second Point.The fire cover 3 of the present embodiment includes three connecting portions 15, and each connecting portion 15 includes link slot 150, and link slot 150 connects The depressed part 12 of outer shroud depressed part 21 and second.

It refer to Fig. 4 again, the first gas outlet 101 also includes venthole 101a corresponding with thermocouple, above thermocouple Venthole 101d above venthole 101c, venthole 101b corresponding with ignition electrode and ignition electrode, to ensure the point of fire cover 3 Fiery performance and safeguard protection performance.

The fire cover of the application second embodiment is described below, as shown in figs. 5 and 6, wherein Fig. 5 is that the application second is real Apply the sectional view of the fire cover of example；Fig. 6 is the bottom-up stereogram of the fire cover of the application second embodiment.In the present embodiment with Modular construction corresponding to the fire cover identical label of first embodiment is same or similar, and function is same or similar, to avoid weight It is multiple, it will not be repeated here, refer to the associated description of first embodiment.Unlike first embodiment, the fire of the present embodiment The gross area for covering the first all gas outlets 101 is more than the gross area of the second all gas outlets 102.First gas outlet 101 Including along the circumferentially distributed multiple ventholes of inner ring cap 10, the second gas outlet 102 includes outgassing groove, and outgassing groove is one along interior The outgassing groove of the outer circumference surface circumferentially extending in ring cowling portion 10.The second gas outlet 102 and the second depression are communicated with wall body portion 100 Multiple interface channels 103 in portion 12, multiple interface channels 103 are multiple connecting holes circumferentially distributed along wall body portion 100, so that should Outgassing groove and the second depressed part 12 connect.Although the thermal efficiency of the fire cover of the present embodiment is less than first embodiment, compared to Existing fire cover, when can having flame in external ring lid portion, burning is more abundant, and can reduce the CO discharges of fire cover burning； During fire cover most small fire, accomplish compared to existing fire cover power smaller.

It the above is only two exemplary examples of the application, by between the modification to some features and different characteristic Combination, can derive the embodiment more on fire cover.For example in the application another embodiment, inner ring cap includes Inner ring portions and the top cover being removably covered in inner ring portions, outer shroud cap, connecting portion and inner ring portions form one Integrally formed single piece.

Fig. 7 and Fig. 8 also illustrates a kind of burner 2 of burner for gas kitchen range, and wherein Fig. 7 is the stove of the embodiment of the application one The explosive view of head；Fig. 8 is the stereogram of the burner of the embodiment of the application one.Burner 2 includes fire cover base 4 and fire cover 3, fire cover 3 Removably it is covered on fire cover base 4.Fire cover 3 can be before fire cover described by embodiment.When fire cover 3 is covered on fire cover On base 4, the first depressed part 11 cooperatively forms inner ring mixing chamber 13 (see Figure 12 and Figure 13), outer shroud depressed part with fire cover base 4 21 cooperatively form outer shroud mixing chamber 23 with fire cover base 4, and outer shroud mixing chamber 23 is isolated with inner ring mixing chamber 13.

Please the reference picture 9 of compares figure 12 or 13, Fig. 9 be the embodiment of the application one fire cover base stereogram.Fire cover base 4 Include inner ring fuel gas inlet 41 and outer shroud fuel gas inlet 42, inner ring fuel gas inlet 41 is used for the combustion for the supply of inner ring gas nozzle Gas enters burner 2, and outer shroud fuel gas inlet 42 is used to enter burner 2 for the combustion gas of outer shroud gas nozzle supply.More specifically, fire cover The central area of base 4 has barrel 40, and the entrance of barrel 40 forms inner ring fuel gas inlet 41, and shape is used in burner 2 Under state, barrel 40 cooperatively forms inner ring mixing chamber 13, i.e. barrel 40 and wall body portion with surrounding the part of the first depressed part 11 100 slitless connections form inner ring mixing chamber 13, it may be said that are that barrel 40 forms the mixed gas of inner ring with extension 100a slitless connections Room 13.So as to so that the first depressed part 11 is isolated under the use state of fire cover 3 with outer shroud depressed part 21.

Fire cover base 4 includes external annulus 44 and multiple air intlets 46 positioned at the inner side of external annulus 44.As shown in Figure 1, Figure 2 and scheme Shown in 6, fire cover 3 corresponds to multiple air intlets 46 and is provided with multiple air outlet slits 16 respectively, and air intlet 46 is matched somebody with somebody with air outlet slit 16 Conjunction forms air duct, and air is from the lower section air inlet passage of burner 2 to give the burning of burner 2 supplement auxiliary air.Fire cover bottom Seat 4 has multiple spaced enclosing portions 45, and each enclosing portion 45 surrounds an air intlet 46, adjacent two enclosing portions Air slot 43 is formed between 45.Fluted 47 are formed between enclosing portion 45 and external annulus 44, air slot 43 connects outer shroud combustion gas and entered Mouth 42 and groove 47.When fire cover 3 is covered on fire cover base 4, groove 47 cooperatively forms outer shroud mixing chamber with outer shroud depressed part 21 23 (see Figure 12 and Figure 13), air slot 43 cooperatively form air guide channel with the link slot 150 in fire cover 3, and air guide channel connection is outer Ring fuel gas inlet 42 and outer shroud mixing chamber 23.And the second depressed part 12 in fire cover 3 is against outer shroud fuel gas inlet 42.So Under the use state of burner, after the entrance of outer shroud fuel gas inlet 42, the second depressed part 12 just accommodates combustion gas for combustion gas, and combustion gas is from leading Gas passage enters outer shroud mixing chamber 23.

The single piece that the fire cover base 4 of the present embodiment is formed in one, brass material is used as fire cover 3, passes through forging Molded mode is fabricated.In order to reduce the tolerance stack in manufacturing process, the lid of fire cover 3 is prevented to be set on fire cover base 4 Afterwards, the inner ring mixing chamber and outer shroud mixing chamber of isolation, such as barrel 40 and gas leakage at extension 100a cooperations can not be formed, this The upper surface of part of the upper surface of barrel 40 of embodiment with forming air slot 43 is generally aligned in the same plane, i.e., barrel 40 is upper The upper surface on surface and enclosing portion 45 is generally aligned in the same plane.

Fire cover base 4 also includes multiple distributary divisions 420, and distributary division 420 is connected to the outer wall of barrel 40 and surrounds outer shroud Between the wall of fuel gas inlet 42.Outer shroud fuel gas inlet 42 is split portion 420 and is separated into multiple points of gas ports, each correspondence of air slot 43 At least one distributary division 420.As shown in figure 9, specific, fire cover base 4 includes three distributary divisions 420 in this embodiment, and outer shroud fires Gas import 42 is split portion 420 and is divided into three points of gas ports 42a, 42b and 42c, and the fuel gas flow of outer shroud fuel gas inlet 42 is divided into Three strands.Each corresponding distributary division 420 of air slot 43, moreover, the centre bit of each one air slot 43 of face of distributary division 420 Put.It may be said that distributary division 420 extends straight, the bearing of trend of each distributary division 420 and corresponding air slot 43 Symmetrical overlapping of axles.

After distributary division 420 is set, bearing of trend and air-flow side of the combustion gas at outer shroud fuel gas inlet 42 of distributary division 420 To perpendicular.So as to from a part of combustion gas that gas port 42a comes out is divided with entering from dividing gas port 42b to come out a part of combustion gas mixing Enter this air slot 43 directly in Fig. 9, then enter back into groove 47.Certainly, this is unilaterally come from fire cover base 4 Description, it is actual under the use state of burner, from divide a part of combustion gas that gas port 42a comes out with from dividing gas port 42b to come out one The combustion gas mixing divided, enter outer shroud mixing chamber 23 via the air guide channel corresponding to this air slot 43 of surface in Fig. 9.For Avoid repeating, all only described below in terms of fire cover base 4.From divide a part of combustion gas that gas port 42b comes out with from dividing gas port A part of combustion gas mixing that 42c comes out enters an air slot 43 on the right in Fig. 9, then enters back into groove 47.From point A part of combustion gas that gas port 42c comes out with from dividing a part of combustion gas mixing that gas port 42a comes out to be led into one of the left side in Fig. 9 Air drain 43, then enter back into groove 47.As can be seen here, the setting of diversion division 420, is once shunted, equivalent to Resistance is additionally arranged at outer shroud fuel gas inlet 42, decompression, reduction flow velocity are played a part of to the fuel gas flow of entrance.Each air slot A 43 corresponding distributary divisions 420, equivalent to second diffluence has been carried out, are imported after the multiply air-flow being above divided into is shunted again In air slot 43 so that fuel gas flow enters before outer shroud mixing chamber, is shunted twice, hence into outer shroud mixing chamber Combustion gas in 23 is more uniform.

The present embodiment moderate heat cover base 4 includes inner ring combustion gas runner and outer shroud combustion gas runner, and barrel 40 surrounds inner ring combustion Flow channel, outer shroud combustion gas runner include outer shroud fuel gas inlet 42, air slot 43 and groove 47.In the use state of fire cover base 4 Under, what inner ring combustion gas runner was mutually isolated with outer shroud combustion gas runner.

It should be added that the fire cover coordinated with the fire cover base 4 of embodiment illustrated in fig. 9 can be preceding embodiment Described fire cover 3 or any one can be with fire cover with matching.Certain, with implementation shown in Fig. 1 to Fig. 6 The fire cover base that the fire cover 3 of example coordinates can be fire cover base shown in Fig. 9 or it is any can be with matching Fire cover base.

Also to be mentioned, the fire cover base 4 of the present embodiment is provided with fire cover locating dowel 48, and the corresponding fire cover of fire cover 3 is determined Position post 48 is provided with fire cover positioning hole 14, as shown in Figure 2 and Figure 6.It is that fire cover positioning hole is arranged on fire cover base in the prior art On, such overflow or it is dirty enter fire cover base after, easily drop into fire cover positioning hole and be filled into certain height, arrive When fire cover locating dowel can not be fully inserted into position can not accomplish to fit together perfectly so that fire cover lid is set on fire cover base, there is slit source Gas, can form flame at the gap of gas leakage, when and long it, fire cover, which will be burnt, to be deformed.The present embodiment can avoid above mentioned problem, Even if having overflow or dirty into fire cover base, the fixation of fire cover will not also be had any impact.

In addition, the application also shows that the burner 2 of such a burner for gas kitchen range, its outer shroud for including being isolated mixes gas Room 23 and inner ring mixing chamber 13, outer shroud mixing chamber 23 be used for accommodate supplied by outer shroud gas nozzle 521 combustion gas (be shown in Figure 12 with Figure 13), inner ring mixing chamber 13 is used to accommodate the combustion gas supplied by inner ring gas nozzle 511.Burner 2 includes being distributed in burner 2 The outer shroud gas outlet 201 of outer region and outer shroud gas outlet 202, outer shroud gas outlet 201, outer shroud gas outlet 202 are divided mixes with outer shroud Air chamber 23 is connected, and burner 2 also includes the first gas outlet 101 and the second gas outlet 102 for being distributed in the endocyclic area of burner 2, First gas outlet 101 is connected with inner ring mixing chamber 13, and the second gas outlet 102 is connected with outer shroud mixing chamber 23.Wherein one is real Burner 2 in example is applied to form for separable assembled, such as the burner described by preceding embodiment, it will not be repeated here.And in another reality Apply in example, the single piece that burner 2 is formed in one, whole burner can be made up with being integrally formed of existing processing technology.

The application also shows that a kind of burner for gas kitchen range 1, and it can include the burner 2 of foregoing any implementation. As shown in Figure 10 and Figure 11, wherein Figure 10 is the explosive view of the burner of the embodiment of the application one；Figure 11 is that the application one is implemented The stereogram of the burner of example.

Burner 1 includes burner base 5, and burner 2 is removably positioned in burner base 5.Burner base 5 is wrapped Include inner ring spraying system 51, outer shroud spraying system 52, thermocouple 53 and ignition electrode 54.Inner ring spraying system 51 fires including inner ring Gas jets 511, the inner ring induction tunnel 512 being connected with inner ring gas nozzle 511 and the inner ring that is connected with inner ring induction tunnel 512 are steady Press chamber 513；The outer shroud induction tunnel that outer shroud spraying system 52 includes outer shroud gas nozzle 521, is connected with outer shroud gas nozzle 521 522 and the outer shroud pressure stabilizing cavity 523 that is connected with outer shroud induction tunnel 522, inner ring pressure stabilizing cavity 513 and inner ring mixing chamber 13 or the first are recessed Fall into portion 11 to be connected, outer shroud pressure stabilizing cavity 523 is connected with outer shroud mixing chamber 23 or outer shroud depressed part 21.Burner 1 assembles it Afterwards, the corresponding venthole 101a of thermocouple 53, the corresponding venthole 101b of ignition electrode 54.

As shown in figure 12, Figure 12 is the sectional view of the burner of the application first embodiment, in order to show more structures Feature, Figure 12 do not have to cut open method along section using common.The burner 1 that the present embodiment is shown employs above first Fire cover 3 described by embodiment.Some associated descriptions refer to before description, fire cover 3 includes inner ring cap 10 and external ring lid Portion 20.The bottom of inner ring cap 10 has the first depressed part 11 of indent, around the wall body portion 100 of the first depressed part 11 and fire cover bottom The barrel 40 of seat 4 cooperatively forms inner ring mixing chamber 13.Before the combustion gas of the supply of inner ring gas nozzle 511 and inner ring induction tunnel 512 The primary air of end suction enters inner ring induction tunnel 512, then reaches inner ring pressure stabilizing cavity 513, then from inner ring fuel gas inlet 41 Into inner ring mixing chamber 13.

Outer shroud cap 20 is looped around the periphery of inner ring cap 10, and the bottom of outer shroud cap 20 is recessed outer shroud depressed part 21, Outer shroud depressed part 21 cooperatively forms outer shroud mixing chamber 23 with the groove 47 on fire cover base 4.The combustion that outer shroud gas nozzle 521 is supplied Gas and the primary air of the front end of outer shroud induction tunnel 522 suction enter outer shroud induction tunnel 522, then reach outer shroud pressure stabilizing cavity 523, Enter outer shroud mixing chamber 23 from outer shroud fuel gas inlet 42 again.The outer shroud outlet of outer shroud depressed part 21 is communicated with outer shroud cap 20 Mouth 201 and outer shroud gas outlet 202.

The bottom of inner ring cap 10 also has the second depressed part 12 of indent, and the second depressed part 12 is arranged at the first depressed part 11 periphery.Second depressed part 12 communicates with outer shroud fuel gas inlet 42 also to be communicated with outer shroud mixing chamber 23.

The first gas outlet 101 of the first depressed part 11 is communicated with inner ring cap 10.First gas outlet 101 includes outlet Groove.The second gas outlet 102 being connected with the second depressed part is additionally provided with inner ring cap 10, the second gas outlet 102 includes multiple Venthole.The gross area of the first all gas outlets 101 is less than the gross area of the second all gas outlets 102 in fire cover 3.

As shown in figure 13, Figure 13 is the sectional view of the burner of the application second embodiment.The combustion that the present embodiment is shown Burner 1 employs the fire cover 3 described by above second embodiment.Some associated descriptions refer to before description.The present embodiment In it is same or similar with the modular construction corresponding to the burner identical label of first embodiment, function is same or similar, is Avoid repeating, will not be repeated here, refer to the associated description of first embodiment.Unlike first embodiment, this implementation The gross area of the first gas outlet 101 all in fire cover is more than the total of the second all gas outlets 102 used by example burner Area.First gas outlet 101 includes including outlet along the circumferentially distributed multiple ventholes of inner ring cap 10, the second gas outlet 102 Groove.

Finally, the application also provides a kind of gas-cooker, and it includes the burner for gas kitchen range 1 of as above any one embodiment.

With reference to Fig. 1 to Figure 13 single parts illustrated various embodiments can by it is any it is given in a manner of be combined with each other, To realize the advantage of the application.

The application is described by above-mentioned related embodiment, but above-described embodiment is only the example for implementing the application. It must be noted that the embodiment disclosed is not limiting as scope of the present application.On the contrary, do not depart from spirit herein and In the range of the change and retouching made, belong to the scope of patent protection of the application.

Claims (19)

1. a kind of burner (2) of burner for gas kitchen range (1), including fire cover base (4) is with being removably covered on the fire cover Fire cover (3) on base (4), the fire cover (3) cooperatively form the inner ring mixing chamber (13) being isolated with the fire cover base (4) With outer shroud mixing chamber (23), the inner ring mixing chamber (13) is used to accommodate the combustion gas supplied by inner ring gas nozzle (511), described Outer shroud mixing chamber (23) is used to accommodate the combustion gas supplied by outer shroud gas nozzle (521), it is characterised in that

The single piece that the fire cover (3) or the fire cover base (4) are formed in one.

2. the burner (2) of burner for gas kitchen range (1) as claimed in claim 1, it is characterised in that the fire cover (3) and institute It is respectively integrally formed single piece to state fire cover base (4).

3. the burner (2) of burner for gas kitchen range (1) as claimed in claim 1, it is characterised in that the fire cover (3) includes Inner ring cap (10) and the outer shroud cap (20) for being looped around inner ring cap (10) periphery, the bottom of the outer shroud cap (20) Outer shroud depressed part (21) is recessed, the outer shroud depressed part (21) cooperatively forms the outer shroud with the fire cover base (4) and mixed Air chamber (23), the outer shroud gas outlet (201,202) of the outer shroud mixing chamber (23) is communicated with the outer shroud cap (20)；Institute Stating inner ring cap (10) bottom has the first depressed part (11) of indent, first depressed part (11) and the fire cover base (4) the inner ring mixing chamber (13) is cooperatively formed, the inner ring mixing chamber (13) is communicated with the inner ring cap (10) First gas outlet (101), wherein, the second gas outlet (102), second gas outlet are additionally provided with the inner ring cap (10) (102) it is connected with the outer shroud mixing chamber (23).

4. the burner (2) of burner for gas kitchen range (1) as claimed in claim 3, it is characterised in that the inner ring cap (10) Bottom also there is the second depressed part (12) of indent, second depressed part (12) is arranged at first depressed part (11) Periphery, under the use state of the burner (2), second depressed part (12) is isolated with the inner ring mixing chamber (13), And second depressed part (12) is connected with the outer shroud mixing chamber (23), second gas outlet (102) connection described the Two depressed parts (12).

5. the burner (2) of burner for gas kitchen range (1) as claimed in claim 3, it is characterised in that the fire cover (3) is also wrapped Include at least one connecting portion (15) being connected between the outer shroud cap (20) and the inner ring cap (10), the fire cover bottom Seat (4) is provided with outer shroud fuel gas inlet (42), and the outer shroud fuel gas inlet (42) is used for for being supplied by outer shroud gas nozzle (521) Combustion gas enter the burner (2), the connecting portion (15) cooperatively forms air guide channel with the fire cover base (4), described to lead Gas passage connects the outer shroud fuel gas inlet (42) and the outer shroud mixing chamber (23).

6. the burner (2) of burner for gas kitchen range (1) as claimed in claim 5, it is characterised in that the fire cover base (4) With at least one air slot (43), the air slot (43) cooperatively forms the air guide channel with connecting portion (15).

7. the burner (2) of burner for gas kitchen range (1) as claimed in claim 6, it is characterised in that the fire cover base (4) Also include multiple distributary divisions (420), the outer shroud fuel gas inlet (42) is separated into multiple points of gas ports by the distributary division (420) (42a, 42b, 42c), each corresponding at least one distributary division (420) of the air slot (43).

8. the burner (2) of burner for gas kitchen range (1) as claimed in claim 7, it is characterised in that each distributary division (420) center of the air slot (43) of face one.

9. the burner (2) of burner for gas kitchen range (1) as claimed in claim 7, it is characterised in that the fire cover base (4) Also include barrel (40), the entrance of the barrel (40) forms inner ring fuel gas inlet (41), the inner ring fuel gas inlet (41) it is used to enter the burner (2), the use in the burner (2) for the combustion gas supplied by inner ring gas nozzle (511) Under state, the barrel (40) cooperatively forms the inner ring mixing chamber with surrounding the part of first depressed part (11) (13), the distributary division (420) is connected to the outer wall of the barrel (40) and surrounds the wall of the outer shroud fuel gas inlet (42) Between.

10. the burner (2) of burner for gas kitchen range (1) as claimed in claim 7, it is characterised in that the distributary division (420) Bearing of trend and airflow direction of the combustion gas at outer shroud fuel gas inlet (42) place it is perpendicular.

11. the burner (2) of the burner for gas kitchen range (1) as any one of claim 6-10, it is characterised in that described Fire cover base (4) includes multiple air intlets (46), and the corresponding multiple air intlets (46) of the fire cover (3) are respectively equipped with more Individual air outlet slit (16), the air intlet (46) cooperatively form air duct with the air outlet slit (16)；The fire cover bottom Seat (4) has multiple spaced enclosing portions (45), and each enclosing portion (45) surrounds an air intlet (46), The air slot (43) is formed between two adjacent enclosing portions (45).

12. the burner (2) of the burner for gas kitchen range (1) as any one of claim 3-10, it is characterised in that described The gross area of all first gas outlets (101) is less than total face of all second gas outlets (102) in fire cover (3) Product；Or the gross area of all first gas outlet (101) is more than all second outlets on the fire cover (3) The gross area of mouth (102).

13. the burner (2) of the burner for gas kitchen range (1) as any one of claim 3-10, it is characterised in that described First gas outlet (101) is formed at the same smooth table on the inner ring cap (10) with second gas outlet (102) On face.

14. the burner (2) of the burner for gas kitchen range (1) as any one of claim 3-10, it is characterised in that described Fire cover base (4) also includes barrel (40), and the entrance of the barrel (40) forms inner ring fuel gas inlet (41), the inner ring Fuel gas inlet (41) is used to enter the burner (2) for the combustion gas supplied by inner ring gas nozzle (511), in the burner (2) under use state, the barrel (40) cooperatively forms the inner ring with surrounding the part of first depressed part (11) Mixing chamber (13).

15. the burner (2) of the burner for gas kitchen range (1) as any one of claim 3-10, it is characterised in that described Inner ring cap (10) includes inner ring portions and the top cover being removably covered in the inner ring portions.

16. a kind of burner for gas kitchen range (1), it is characterised in that including gas-cooker as in any one of the preceding claims With the burner (2) of burner (1).

17. burner for gas kitchen range (1) as claimed in claim 16, it is characterised in that described including burner base (5) Burner (2) is removably positioned in the burner base (5).

18. burner for gas kitchen range (1) as claimed in claim 16, it is characterised in that described including burner base (5) Burner (2) is arranged in the burner base (5), and the burner base (5) includes inner ring spraying system (51) and outer shroud Spraying system (52), the inner ring spraying system (51) include the inner ring gas nozzle (511) and the inner ring gas nozzle (511) connected inner ring induction tunnel (512) and the inner ring pressure stabilizing cavity (513) being connected with the inner ring induction tunnel (512)；It is described Outer shroud spraying system (52) draws including the outer shroud gas nozzle (521), the outer shroud being connected with the outer shroud gas nozzle (521) Penetrate pipe (522) and the outer shroud pressure stabilizing cavity (523) being connected with the outer shroud induction tunnel (522), the inner ring pressure stabilizing cavity (513) with The inner ring mixing chamber (13) is connected, and the outer shroud pressure stabilizing cavity (523) is connected with the outer shroud mixing chamber (23).

19. a kind of gas-cooker, it is characterised in that including the burner for gas kitchen range as any one of claim 16-18 (1)。