CN208058840U - Fire cover, burner and gas cooker - Google Patents

Abstract

The utility model discloses a kind of fire cover, burner and gas cooker, wherein the fire cover includes inner fire cover and external ring fire cover, and inner ring gas chamber and middle ring gas chamber are formed with inside the inner fire cover；The inner fire cover is equipped with center cavity open upward, the inner ring gas chamber is located at the periphery of the center cavity, the internal perisporium of the center cavity is equipped with the inner ring fire hole being connected to the inner ring gas chamber, and the middle ring fire hole being connected to the middle ring gas chamber is additionally provided on the inner fire cover.The utility model fire cover disclosure satisfy that burner has wider firepower adjustable range, while can also be achieved the continued stable combustion of the minimum fire of inner ring.

Description

Fire cover, burner and gas cooker

Technical field

The utility model is related to technical field of kitchen wares, more particularly to a kind of fire cover, burner and gas cooker.

Background technology

With the improvement of living standards, people are also higher and higher to the culinary art requirement of food, needed for different food materials Using different cooking methods, such as some food materials need small fire to stew slowly, and other food materials then need vigorous fire quick-fried.Traditional It is single that burner often goes out fiery mode, can only realize monocycle fire or double ring fire mostly.Some can be realized with the burning of three ring fires Device, fire cover are typically formed by three inner fire cover, middle ring fire cover and external ring fire cover independent component combinations, and inner fire cover Fire output hole is usually provided in the peripheral surface of inner fire cover, so so that the flame at inner fire cover fire output hole is highly prone to external environment (such as The factors such as wind-force, overflowing pot) influence and extinguish, can not therefore, it is difficult to realize the sustainedly and stably burning of the minimum fire of burner Meets the needs of wide duty ratio of burner is adjusted.

Utility model content

The main purpose of the utility model is to propose a kind of fire cover, it is intended to which the fire cover for solving existing burner is difficult to realize The technical issues of continued stable combustion of minimum fire.

To achieve the above object, the utility model proposes fire cover, including inner fire cover and external ring fire cover, in the inner fire cover Portion is formed with inner ring gas chamber and middle ring gas chamber；

The inner fire cover is equipped with center cavity open upward, and the inner ring gas chamber is located at the periphery of the center cavity, institute The internal perisporium for stating center cavity is equipped with the inner ring fire hole that is connected to the inner ring gas chamber, be additionally provided on the inner fire cover with it is described in The middle ring fire hole of ring gas chamber connection.

Preferably, the inner fire cover includes the upper cover of pedestal and detachable cover together in the annular of the pedestal, the pedestal Recess forms the center cavity downwards at top surface position corresponding with the endoporus of the upper cover.

Preferably, the inner peripheral of the pedestal top surface is circumferentially spaced is equipped with multiple interior ring fire teeth, described in arbitrary neighborhood two The inner ring fire hole is enclosed between interior ring fire tooth and the upper cover.

Preferably, the interior ring fire tooth is elongated, and multiple interior ring fire teeth are in tilted layout towards the same side in the circumferential, It is arranged so that multiple inner ring fire holes are in circumferentially inward turning.

Preferably, on the length direction of the interior ring fire tooth, any inner ring fire hole have the bleed section that connects and Go out fiery section, it is described go out fiery section be located at close to the side of the center cavity, it is in tapered setting that the bleed section goes out fiery section described in, It is described go out fiery section towards the center cavity in flaring be arranged.

Preferably, the top surface of the pedestal is equipped with annular partition, and the annular partition is located on the outer of the interior ring fire tooth It encloses, the inner ring gas chamber is enclosed between the annular partition, interior ring fire tooth and upper cover.

Preferably, the bottom surface of the pedestal be equipped with several air admission holes, the air admission hole upwardly extend and formed with it is described interior The inlet channel of ring gas chamber connection.

Preferably, the middle ring fire hole is located at the periphery wall of the inner fire cover, the annular partition and the middle ring fire hole Between be formed with the through slot for running through the pedestal along the vertical direction, be enclosed between the through slot and the upper cover described Middle ring gas chamber.

Preferably, the top surface of the pedestal is formed with the biography fire slot radially extended, and institute is run through in the inner end for passing fiery slot It states annular partition and is connected to the inner ring gas chamber, the outer end for passing fiery slot connects with the periphery wall of the pedestal, described The periphery wall of pedestal is equipped with several detection fire holes being connected to the fiery slot of the biography.

Preferably, the external ring fire cover includes the external ring lid of outer ring seat and detachable cover together in the outer ring seat, described outer The circumferentially spaced of ring seat top surface is equipped with multiple outer ring fire teeth, is enclosed between outer ring fire tooth and the external ring lid described in arbitrary neighborhood two Conjunction forms outer shroud fire hole.

Preferably, the outside wall surface of the inner fire cover is equipped with air inlet, the inside of the inner fire cover be additionally provided with connection it is described into The air intake passage in air port and the center cavity.

The utility model also proposes a kind of burner, which includes：

Burner；

Gas separating seat is set on the burner；And

Fire cover, is fastened on the top of the gas separating seat, and the fire cover includes inner fire cover and external ring fire cover, in the inner fire cover Portion is formed with inner ring gas chamber and middle ring gas chamber；

The inner fire cover is equipped with center cavity open upward, and the inner ring gas chamber is located at the periphery of the center cavity, institute The internal perisporium for stating center cavity is equipped with the inner ring fire hole that is connected to the inner ring gas chamber, be additionally provided on the inner fire cover with it is described in The middle ring fire hole of ring gas chamber connection.

The utility model also proposes a kind of gas cooker, which includes burner, and the burner includes：

Burner；

Gas separating seat is set on the burner；And

Fire cover, for the lid for fire cover together in the top of the gas separating seat, the fire cover includes inner fire cover and external ring fire cover, described Inner ring gas chamber and middle ring gas chamber are formed with inside inner fire cover；

The inner fire cover is equipped with center cavity open upward, and the inner ring gas chamber is located at the periphery of the center cavity, institute The internal perisporium for stating center cavity is equipped with the inner ring fire hole that is connected to the inner ring gas chamber, be additionally provided on the inner fire cover with it is described in The middle ring fire hole of ring gas chamber connection.

Technical solutions of the utility model by fire cover by being divided into inner fire cover and external ring fire cover, wherein is set simultaneously on inner fire cover There are inner ring fire hole and middle ring fire hole, in this way, the interior ring fire of burner and middle ring fire can be realized by single inner fire cover, then with External ring fire cover cooperation can realize that the tricyclic of burner goes out fire so that burner has wider firepower adjustable range, can be fine Ground meets user's small fire stewed or vigorous fire quick-fried use demand slowly.

Meanwhile inner fire cover is equipped with center cavity open upward, inner ring fire hole is set to the internal perisporium of center cavity, in this way, comparing It is set to periphery wall in the inner ring fire hole of traditional inner fire cover, in the inner ring fire hole of the inner fire cover in the technical program focuses more on The medium position of fire cover can realize minimum fire burning.Also, the crater of inner ring fire hole is towards center cavity so that interior ring fire The flame that hole sprays is not easily susceptible to the influence of external environment (such as wind-force, overflowing pot factor), so as to keep holding for minimum fire It is continuous to burn steadily.

Description of the drawings

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；

Fig. 2 is the decomposition texture schematic diagram of burner in Fig. 1；

Fig. 3 is the decomposition texture schematic diagram of one embodiment of the utility model fire cover；

Fig. 4 is the assembling structure schematic diagram of inner fire cover in Fig. 3；

Fig. 5 is the structural schematic diagram at another visual angle of inner fire cover in Fig. 4；

Fig. 6 is the structural schematic diagram of the pedestal of inner fire cover in Fig. 4；

Fig. 7 is the schematic top plan view of pedestal in Fig. 6；

Fig. 8 is the close-up schematic view at A in Fig. 7；

Fig. 9 is pedestal in Fig. 7 along the internal structure schematic cross-sectional view of section B-B；

Figure 10 is pedestal in Fig. 7 along the internal structure schematic cross-sectional view in another section.

Drawing reference numeral explanation：

Label	Title	Label	Title	Label	Title
						100	Burner	16	Pedestal	171	Endoporus
10	Fire cover	161	Interior ring fire tooth	18	Air inlet
						1	Inner fire cover	162	Annular partition	181	Air intake passage
11	Inner ring gas chamber	163	Air admission hole	2	External ring fire cover
						12	Middle ring gas chamber	1631	Inlet channel	21	Outer ring seat
13	Center cavity	164	Middle ring fire tooth	211	Outer ring fire tooth
						14	Inner ring fire hole	165	Assist fire hole	22	External ring lid
141	Bleed section	166	Pass fiery slot	20	Gas separating seat
						142	Go out fiery section	167	Detect fire hole	30	Burner
15	Middle ring fire hole	17	Upper cover	40	Thermocouple

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 implementation mode

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 Lower obtained every other embodiment, shall fall within the protection scope of the present invention.

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

If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment 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.In addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill Personnel can be implemented as basis, will be understood that this technical side when the combination of technical solution appearance is conflicting or cannot achieve The combination of case is not present, also not within the protection domain of the requires of the utility model.

The utility model proposes a kind of fire cover 10, which is used for burner 100.Specifically, Fig. 1 and Fig. 2 is please referred to, Burner 100 includes burner 30, gas separating seat 20 and fire cover 10, and gas separating seat 20 is set on burner 30, and fire cover 10 is fastened on a point gas The top of seat 20.Outer combustion gas pipeline is connected to the ejector pipe of burner 30, and combustion gas is defeated via ejector pipe, gas separating seat 20 successively It send into the inside gas chamber of fire cover 10.

In the utility model embodiment, as shown in Figures 3 to 6, which includes inner fire cover 1 and external ring fire cover 2, interior Inner ring gas chamber 11 and middle ring gas chamber 12 are formed with inside fire cover 1, inner fire cover 1 is equipped with center cavity 13 open upward, inner ring Gas chamber 11 is located at the periphery of center cavity 13, and the internal perisporium of center cavity 13 is equipped with the inner ring fire hole being connected to inner ring gas chamber 11 14, the middle ring fire hole 15 being connected to middle ring gas chamber 12 is additionally provided on inner fire cover 1.

In the present embodiment, the inner ring gas chamber 11 and middle ring gas chamber 12 of inner fire cover 1 are radially from ring successively from inside to outside Set on the periphery of center cavity 13.Center cavity 13 is in open setting upward, wherein center cavity 13 can vertically extend and The top and bottom for penetrating through inner fire cover 1, can also be to be formed from the top surface of inner fire cover 1 to lower recess.Inner ring fire hole 14 is set to The internal perisporium of center cavity 13 and be connected to inner ring gas chamber 11 so that combustion gas in inner ring gas chamber 11 point at interior ring fire hole 14 Flame can be sprayed towards the direction of center cavity 13 after combustion so that interior ring flame more concentrates on the middle part of inner fire cover 1, so as to have Effect avoids the influence of external environment (such as wind-force drips, oil dripping) so that interior ring flame can burn more stablely.Middle ring The top surface that fire hole 15 can be set to inner fire cover 1 can also be set on the peripheral surface of inner fire cover 1, to the cooker with larger floor space It is heated.Can be round, rectangular, triangle or other irregularly-shaped holes etc. about the shape of inner ring fire hole 14 and middle ring fire hole 15 Deng being not specifically limited herein.

External ring fire cover 2 is arranged in a ring, and positioned at the periphery of inner fire cover 1, the inside of external ring fire cover 2 is formed with outer shroud combustion gas Chamber is additionally provided with outer shroud fire hole on outer fire cover 10.It can be to be independently arranged between external ring fire cover 2 and inner fire cover 1, connection can also be passed through Structure is connected in one.Pass through the cooperation of external ring fire cover 2 and inner fire cover 1 so that burner 100 can be realized more at work Kind go out fiery pattern, for example, the demand that user can be according to different food materials to firepower size, select monocycle go out fire, it is bicyclic go out fire or three Ring goes out fire, to effectively improve the usage experience of user.

Technical solutions of the utility model are by dividing fire cover 10 for inner fire cover 1 and external ring fire cover 2, wherein same on inner fire cover 1 When be equipped with inner ring fire hole 14 and middle ring fire hole 15, in this way, can realize the interior ring fire of burner 100 by single inner fire cover 1 With middle ring fire, then with external ring fire cover 2 cooperation can realize that the tricyclic of burner 100 goes out fire so that burner 100 have it is wider Firepower adjustable range can meet user's small fire stewed or vigorous fire quick-fried use demand slowly well.

Meanwhile inner fire cover 1 is equipped with center cavity 13 open upward, inner ring fire hole 14 is set to the internal perisporium of center cavity 13, such as This, the inner ring fire hole 14 compared to traditional inner fire cover 1 is set to periphery wall, the interior ring fire of the inner fire cover 1 in the technical program Hole 14 focuses more on the medium position of inner fire cover 1, can realize minimum fire burning.Also, the crater direction of inner ring fire hole 14 Center cavity 13 so that the flame that inner ring fire hole 14 sprays is not easily susceptible to the influence of external environment (such as wind-force, overflowing pot factor), So as to keep the sustainedly and stably burning of minimum fire.

Further, Fig. 4 is please referred to, inner fire cover 1 includes the upper cover of pedestal 16 and detachable cover together in the annular of pedestal 16 17, recess forms center cavity 13 downwards at 16 top surface of pedestal position corresponding with the endoporus 171 of upper cover 17.In the present embodiment, Inner fire cover 1 is made of pedestal 16 and 17 two parts of upper cover, and at the time of molding, pedestal 16 and upper cover 17 can be separately formed, then by two Person is assemblied in one, in this way, reducing the manufacture difficulty of processing of inner fire cover 1, can effectively reduce production cost.It is preferred that Ground, 17 detachable cover of upper cover is together on pedestal 16, in this way, can be easily to the combustion inside pedestal 16 after removing upper cover 17 Air cavity is cleaned, so that inner fire cover 1 has longer service life.For example, can be used between upper cover 17 and pedestal 16 Grafting, clamping mode be fixed.

Upper cover 17 is arranged and has an endoporus 171 in a ring, and the top surface of pedestal 16 corresponds to the position of the endoporus 171 of upper cover 17 Center cavity 13 is formed to lower recess, the inner ring gas chamber of unique spacer setting is enclosed and be formed between upper cover 17 and pedestal 16 11 and middle ring gas chamber 12.By setting center cavity 13, on the one hand inner ring fire hole 14 can be opened up in the internal perisporium of center cavity 13, Stablizing for minimum fire to meet burner 100 is burnt.On the other hand, if culinary art when generate overflowing pot phenomenon, overflow (such as water and Oil etc.) it can drop in center cavity 13, without being stopped for a long time on the surface of inner fire cover 1, and showing for fire output hole blocking occurs As.

Preferably, the top surface of upper cover 17 is in taper surface setting tapered from up to down, similarly, the inner circumferential of center cavity 13 Wall is also in that taper surface tapered from up to down is arranged, to play good guide functions to overflow so that overflow can be fast Speed drops in center cavity 13, to effectively avoid overflow from blocking fire output hole.

Further, Fig. 6 is please referred to, the inner peripheral of 16 top surface of pedestal is circumferentially spaced to be equipped with multiple interior ring fire teeth 161, appoints It anticipates and is enclosed inner ring fire hole 14 between ring fire tooth 161 and upper cover 17 in adjacent two.Specifically, in the present embodiment, can pass through Compression molding process processes several strip-shaped holes in the inner peripheral of inner fire cover 1, and interior ring fire tooth is formed between adjacent two strip-shaped hole 161, manufacturing process is simple.In traditional handicraft, inner fire cover 1 is usually integrally formed casting, and inner ring fire hole 14 is usually to rush Molding round hole is bored, in this way, after long-term use, foreign matter is piled up at inner ring fire hole 14 and inner ring fire hole 14 is made easily to occur It blocks, and clears up also extremely inconvenience after the blocking of inner ring fire hole 14, to affect the normal use of burner 100.And this In embodiment, inner ring fire hole 14 is enclosed by ring fire tooth 161 in adjacent two with upper cover 17, the shape of the crater of inner ring fire hole 14 Shape is generally rectangular shaped.User can periodically remove upper cover 17, you can and the foreign matter in internal ring fire hole 14 is cleaned, to Efficiently solve the problems, such as that inner ring fire hole 14 is susceptible to plugging.

Further, interior ring fire tooth 161 is elongated, and multiple interior ring fire teeth 161 are in tilted layout towards the same side in the circumferential, It is arranged so that multiple inner ring fire holes 14 are in circumferentially inward turning.In the present embodiment, by the way that interior ring fire tooth 161 to be obliquely installed, make The fiery direction that goes out for obtaining multiple inner ring fire holes 14 is reached unanimity, and forms centripetal internal rotation fire structure, to realize small fire energy accumulation burning, So that the fuel gas buring at inner ring fire hole 14 is more abundant.And fiery mode is gone out using centripetal inward turning, wind can be effectively prevent Power is dripped or the influence of the factors such as oil dripping, and the stabilization sustained combustion that minimum flame is realized at inner ring fire hole 14 is conducive to.

Further, Fig. 7 and Fig. 8 is please referred to, on the length direction of interior ring fire tooth 161, any inner ring fire hole 14 has The bleed section 141 that connects and go out fiery section 142, go out fiery section 142 and be located at close to the side of center cavity 13, bleed section 141 is towards going out fire Section 142 is in tapered setting, goes out fiery section 142 and is arranged towards center cavity 13 in flaring.In the present embodiment, inner ring fire hole 14, which divides, is Bleed section 141 and go out fiery section 142, the combustion gas in inner ring gas chamber 11 passes sequentially through bleed section 141 and goes out fiery section 142, bleed section 141 cross-sectional area is gradually reduced, and the cross-sectional area for going out fiery section 142 is gradually expanded, and bleed section 141 connects with fiery section 142 is gone out The cross-sectional area at place is minimum.The wider entrance in order to combustion gas of the entrance of bleed section 141, and bleed section is being passed through in combustion gas Resistance suffered by combustion gas is set gradually to increase since free air space is tapered during 141, after entering fiery section 142, combustion gas Free air space increases, and the flow velocity of combustion gas reduces, and effectively prevents the generation from flame phenomenon, while bleed section 141 and going out fiery section 142 The cross-sectional area of joint is smaller, can effectively avoid the generation of tempering phenomenon.

Further, Fig. 6 and Figure 10 is please referred to, the top surface of pedestal 16 is equipped with annular partition 162, and 162 ring of annular partition is set In the periphery of interior ring fire tooth 161, inner ring gas chamber 11 is enclosed between annular partition 162, interior ring fire tooth 161 and upper cover 17. In the present embodiment, annular partition 162 is preferably the top surface for being shaped in pedestal 16, and certainly, annular partition 162 can also lead to Cross the top surface that the modes such as welding, riveting or grafting are fixed on pedestal 16.It is spaced and sets between annular partition 162 and interior ring fire tooth 161 It sets and forms inner ring gas chamber 11, wherein inner ring gas chamber 11 can be lumen therethrough up and down, and combustion gas can be from inner ring combustion gas The bottom of chamber 11 enters；Or inner ring gas chamber 11 has bottom wall, and through-hole is set on the bottom wall of inner ring gas chamber 11 To introduce combustion gas.

Further, Fig. 5 and Figure 10 is please referred to, the bottom surface of pedestal 16 is equipped with several air admission holes 163, and air admission hole 163 is upward Extend and forms the inlet channel 1631 being connected to inner ring gas chamber 11.In the present embodiment, combustion gas can from air admission hole 163 via Inlet channel 1631 enters in inner ring gas chamber 11, and is ignited by inner ring fire hole 14.Due to inner fire cover 1 volume compared with It is small, for the ease of the processing and forming of inlet channel 1631, it is preferable that air admission hole 163 is round or oval, using drill work Skill can process inlet channel 1631, simple for process, can be used in the processing and forming of small size gas chamber, to effectively reduce The molding processing difficulty of inner fire cover 1, makes it have higher manufacturability.Wherein, inlet channel 1631 can be vertically square Extend to vertical, extension can also be tilted in above-below direction, can be specifically designed according to the shape of pedestal 16.For example, in the middle When the internal perisporium of the chambers of the heart 13 is arranged in taper surface tapered from up to down, correspondingly, air intake passage 181 is from up to down and lean-in Tiltedly to be adapted with the shape of center cavity 13, so that the overall structure of pedestal 16 is more compact.

Further, middle ring fire hole 15 is located at the periphery wall of inner fire cover 1, shape between annular partition 162 and middle ring fire hole 15 At there is the through slot for running through pedestal 16 along the vertical direction, middle ring gas chamber 12 is enclosed between through slot and upper cover 17.In reality During the use of border, compared to inner ring fire hole 14, middle ring fire hole 15 is in order to realize that the firepower of bigger usually requires more combustion gas Supply, in the present embodiment, by the way that through slot is arranged, combustion gas can enter from the bottom of through slot in middle ring gas chamber 12, with full The sufficient supply of sufficient combustion gas.It is also equipped at intervals with several interconnecting pieces in through slot, is separately connected two opposite internal faces of through slot.

Further, Fig. 6 is please referred to, the outer peripheral edge of 16 top surface of pedestal is circumferentially spaced to be equipped with multiple middle ring fire teeth 164, appoints It anticipates and is enclosed middle ring fire hole 15 between ring fire tooth 164 and upper cover 17 in adjacent two.In the present embodiment, die cast can be passed through It is molded several strip-shaped holes, ring fire tooth 164 in being formed between adjacent two strip-shaped hole, moulding process letter in the outer peripheral edge of inner fire cover 1 It is single.Similar with inner ring fire hole 14, middle ring fire hole 15 is enclosed by ring fire tooth 164 in adjacent two with upper cover 17, consequently facilitating User clears up the foreign matter in middle ring fire hole 15, is blocked to can effectively avoid middle ring fire hole 15.

Further, the top surface of middle ring fire tooth 164 is equipped with the deep gouge inside and outside ring fire tooth 164 in perforation, upper cover 17 with Auxiliary fire hole 165 is enclosed between deep gouge.Preferably, on the thickness direction of pedestal 16, the hole depth of middle ring fire hole 15 is more than Assist the hole depth of fire hole 165.

In the present embodiment, the auxiliary fire hole 165 smaller by the way that depth is arranged can play fire cover 10 certain steady flame and make With, and the depth of middle ring fire hole 15 is larger, it can be achieved that larger firepower.By assisting the mutual of fire hole 165 and middle ring fire hole 15 Cooperation, can form the burning having levels on the thickness direction of inner fire cover 1, so that burning is more abundant.Preferably, in The bottom in ring fire hole 15 have from inside to outside and the guiding surface that is obliquely installed upwards, so as to by middle ring flame obliquely Export.

Further, the top surface of pedestal 16 is formed with the biography fire slot 166 radially extended, and the inner end for passing fiery slot 166 is run through Annular partition 162 and be connected to inner ring gas chamber 11, the outer end for passing fiery slot 166 connects with the periphery wall of pedestal 16, pedestal 16 Periphery wall is equipped with several detection fire holes 167 being connected to biography fire slot 166.

In the present embodiment, the periphery wall of inner fire cover 1 is equipped with detection fire hole 167, and detection fire hole 167 is by passing fiery slot 166 And it is connected to inner ring gas chamber 11.The thermocouple 40 of burner 100 is set to the outside of inner fire cover 1, and close to detection fire hole 167 Setting, with the temperature at detection detection fire hole 167, to control the switch of burnt gas valve.Specifically, combustion gas is from inner ring gas chamber 11 via biography 166 flow detection fire hole 167 of fiery slot, and is lighted at detection fire hole 167 and generate flame, when detection fire hole 167 When there is flame combustion at place, the temperature that thermocouple 40 measures is higher, to judge gas cooker in normal combustion, thus controls combustion gas Valve is opened；And when detecting fray-out of flame at fire hole 167, the temperature that thermocouple 40 measures is relatively low, to judge gas cooker It is stopped, thus controls gas lockout valve, to avoid gas leakage.The aperture for detecting fire hole 167 is typically small, and detects Fire hole 167 be typically provided with it is multiple, multiple detection fire holes 167 in matrix arrange.

When gas cooker switch to small fire work when, i.e., combustion gas concentrate on inner ring fire hole 14 individually burn when, detect fire hole 167 The only less combustion gas in place is flowed out, and flame is smaller at the detection fire hole 167, it is easy to it is gone out by wind, therefore to prevent thermocouple 40 from producing Raw misjudgment phenomenon extends radially through partition board setting by the way that biography fire slot 166 is arranged, can pass flame caused by inner ring fire hole 14 It is delivered to detection fire hole 167, and lights the combustion gas at detection fire hole 167 rapidly, to ensure to detect 167 normal combustion of fire hole, to It avoids judging by accident.To ensure the continued stable combustion of the minimum fire at inner ring fire hole 14.

Further, Fig. 3 is please referred to, external ring fire cover 2 includes the outer shroud of outer ring seat 21 and detachable cover together in outer ring seat 21 Lid 22, the circumferentially spaced of 21 top surface of outer ring seat are equipped with multiple outer ring fire teeth 211, two outer ring fire tooth 211 of arbitrary neighborhood and outer shroud Outer shroud fire hole is enclosed between lid 22.In the present embodiment, outer shroud fire hole is similar with the structure of middle ring fire hole 15, outer shroud fire hole It is enclosed with external ring lid 22 by adjacent two outer ring fires tooth 211, consequently facilitating user clears up the foreign matter in outer shroud fire hole, so as to Effectively outer shroud fire hole is avoided to block.

Preferably, the top surface of outer ring fire tooth 211 is equipped with the deep gouge inside and outside perforation outer ring fire tooth 211, external ring lid 22 with Outer shroud auxiliary fire hole 165 is enclosed between deep gouge.The mutual cooperation that fire hole 165 and outer shroud fire hole are assisted by outer shroud, can be with The burning having levels is formed on the thickness direction of external ring fire cover 2, so that burning is more abundant.Outer shroud assists fire hole simultaneously 165 can also play the role of certain steady flame.

Further, Fig. 6 and Fig. 9 is please referred to, the outside wall surface of inner fire cover 1 is equipped with air inlet 18, and the inside of inner fire cover 1 is also set There is the air intake passage 181 of connection air inlet 18 and center cavity 13.In the present embodiment, by setting be connected to center cavity 13 into Wind channel 181 in this way, extraneous air can be sent to via air intake passage 181 in center cavity 13 from air inlet 18, and then is inner ring Combustion gas at fire hole 14 supplements auxiliary air so that interior ring flame can have sufficient oxygen supply, ensure at inner ring fire hole 14 Combustion gas abundant burning, to be conducive to inner ring it is minimum fire stablize burning.

Preferably, air inlet 18 is set to the peripheral surface of inner fire cover 1, and air inlet 18 radially extends and forms air intake passage 181.Air intake passage 181 is designed to radially extend, it is simple in structure, convenient for molding, for example, it is straight that drill moulding process can be used It connects and goes out cylindrical air intake passage 181.181 one side of air intake passage can be used for inside ring fire hole 14 and supplement secondary sky Gas, on the other hand, the overflow (Ru Shui, oil etc.) gathered in center cavity 13 can be discharged from air intake passage 181, be conducive to overflow Timely cleaning.

The utility model also proposes a kind of gas cooker, which includes burner 100, which includes Burner 30, gas separating seat 20 and fire cover 10, the concrete structure of the fire cover 10 is with reference to above-described embodiment, since this gas cooker uses Whole technical solutions of above-mentioned all embodiments, thus it is at least all beneficial caused by the technical solution with above-described embodiment Effect, this is no longer going to repeat them.

It these are only the preferred embodiment of the utility model, it does not limit the scope of the patent of the present invention, every Under the inventive concept of the utility model, equivalent structure transformation made based on the specification and figures of the utility model, or Directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (13)

1. a kind of fire cover, including inner fire cover and external ring fire cover, inner ring gas chamber and middle ring combustion gas are formed with inside the inner fire cover Chamber；It is characterized in that,

The inner fire cover is equipped with center cavity open upward, and the inner ring gas chamber is located at the periphery of the center cavity, in described The internal perisporium of the chambers of the heart is equipped with the inner ring fire hole being connected to the inner ring gas chamber, is additionally provided on the inner fire cover and is fired with the middle ring The middle ring fire hole of air cavity connection.

2. fire cover as described in claim 1, which is characterized in that the inner fire cover includes pedestal and detachable cover together in the seat The upper cover of the annular of body, recess forms the center downwards at the pedestal top surface position corresponding with the endoporus of the upper cover Chamber.

3. fire cover as claimed in claim 2, which is characterized in that the inner peripheral of the pedestal top surface is circumferentially spaced equipped with multiple Interior ring fire tooth is enclosed the inner ring fire hole described in arbitrary neighborhood two between interior ring fire tooth and the upper cover.

4. fire cover as claimed in claim 3, which is characterized in that the interior ring fire tooth is elongated, multiple interior ring fire teeth It is in tilted layout towards the same side, is arranged so that multiple inner ring fire holes are in circumferentially inward turning in the circumferential.

5. fire cover as claimed in claim 4, which is characterized in that any described interior on the length direction of the interior ring fire tooth Ring fire hole has the bleed section that connects and goes out fiery section, it is described go out fiery section be located at close to the side of the center cavity, the bleed section Towards described in go out fiery section be in tapered setting, it is described go out fiery section towards the center cavity in flaring setting.

6. fire cover as claimed in claim 3, which is characterized in that the top surface of the pedestal be equipped with annular partition, it is described annular every Plate is located on the periphery of the interior ring fire tooth, and the inner ring combustion is enclosed between the annular partition, interior ring fire tooth and upper cover Air cavity.

7. fire cover as claimed in claim 6, which is characterized in that the bottom surface of the pedestal is equipped with several air admission holes, the air inlet Hole upwardly extends and forms the inlet channel being connected to the inner ring gas chamber.

8. fire cover as claimed in claim 6, which is characterized in that the middle ring fire hole is located at the periphery wall of the inner fire cover, institute State be formed between annular partition and the middle ring fire hole along the vertical direction run through the pedestal through slot, the through slot with The middle ring gas chamber is enclosed between the upper cover.

9. fire cover as claimed in claim 6, which is characterized in that the top surface of the pedestal is formed with the biography fire radially extended Slot, the inner end for passing fiery slot be connected tos through the annular partition with the inner ring gas chamber, the outer end for passing fiery slot and The periphery wall of the pedestal connects, and the periphery wall of the pedestal is equipped with several detection fire holes being connected to the fiery slot of the biography.

10. fire cover as described in claim 1, which is characterized in that the external ring fire cover include outer ring seat and detachable cover together in The external ring lid of the outer ring seat, the circumferentially spaced of the outer ring seat top surface is equipped with multiple outer ring fire teeth, described in arbitrary neighborhood two Outer shroud fire hole is enclosed between outer ring fire tooth and the external ring lid.

11. fire cover as described in claim 1, which is characterized in that the outside wall surface of the inner fire cover is equipped with air inlet, the endogenous fire The inside of lid is additionally provided with the air intake passage for being connected to the air inlet and the center cavity.

12. a kind of burner, which is characterized in that including：

Burner；

Gas separating seat is set on the burner；And

Fire cover as described in claim 1 to 11 any one, top of the lid for fire cover together in the gas separating seat.

13. a kind of gas cooker, which is characterized in that including burner as claimed in claim 12.