CN208312387U - Fire cover and burner - Google Patents

Abstract

The utility model discloses a kind of fire cover and burners.Fire cover includes bottom cover and upper cover, and bottom cover and upper cover in a ring and are coaxially disposed, and upper cover is removably mounted on bottom cover.Bottom cover includes the partition of ontology and projection in the annular of the top surface of ontology, and ontology offers air cavity, fire hole and channel, and fire hole is connected to the lateral surface of air cavity and ontology, and channel is connected to the top surface of air cavity and ontology, and partition is between channel and the lateral surface of ontology.The bottom surface of upper cover is formed with the groove of annular, the setting of partition respective slot.The steady flame slot to be formed on the outside of fire cover is arranged in the bottom surface of upper cover and the top surface interval of ontology, and steady flame slot is through groove communicating passage.When the bottom cover and upper cover of fire cover are coupled, blocking of the oil smoke or other sundries entered from steady flame slot by partition, it is not easy to enter blocking channel on the inside of partition, allow combustion gas is unobstructed to transmit.Meanwhile upper cover can be disassembled, bottom cover is cleaned, is conducive to increase fire cover reliability.

Description

Fire cover and burner

Technical field

The utility model relates to kitchen utensils technical field, in particular to a kind of fire cover and burner.

Background technique

In the related technology, steady flame slot is had above fire hole on the outside of the fire cover of gas cooker, there is interior fire hole to connect inside steady flame slot Connect lower section gas flue.When fire hole has part fire hole to stop working on the outside of fire cover, steady flame slot can guarantee that flame-out fire hole can be rapidly Again go out fire.However, when culinary art and after culinary art, at the oil smoke or other sundries meeting natural diffuseness to steady flame slot in kitchen.Due to Size is smaller at steady flame slot, causes oil smoke or other sundries that can be deposited at steady flame slot and interior fire hole and makes steady flame slot or interior fire hole Blocking causes steady flame slot to lose the function of passing fire, influences the reliability of burner and gas cooker to cause outlet unsmooth.

Utility model content

The embodiments of the present invention provides a kind of fire cover and burner.

A kind of fire cover of the utility model embodiment includes bottom cover and upper cover, and the bottom cover and the upper cover are in a ring And be coaxially disposed, the upper cover is removably mounted on the bottom cover, and the bottom cover includes ontology and projection on the ontology top The partition of the annular in face, the ontology offer air cavity, fire hole and channel, and the fire hole is connected to the air cavity and the ontology Lateral surface, the channel are connected to the top surface of the air cavity and the ontology, and the partition is located at the channel and the ontology Between lateral surface, the bottom surface of the upper cover is formed with the groove of annular, and the partition corresponds to the groove setting, the upper cover The steady flame slot that the top surface interval of bottom surface and the ontology is arranged to be formed on the outside of the fire cover, described in the steady flame slot warp Groove is connected to the channel.

In the fire cover of the utility model embodiment, when bottom cover and upper cover are coupled, the setting of partition respective slot, combustion gas It can export on the outside of partition to steady flame slot and burn after from the channel transfer on the inside of partition to groove deflecting, wherein culinary art When and culinary art after, the blocking by partition of oil smoke or other sundries that enters from steady flame slot, it is not easy into the partition of flexion Side blocking channel allows combustion gas is unobstructed to transmit.Meanwhile upper cover is removably mounted on bottom cover, in steady flame slot or fire hole or When channel blockage, upper cover can be disassembled, bottom cover is cleaned, be conducive to the reliability for increasing fire cover and burner.

In some embodiments, the partition is opposite with the open horizontal of the steady flame slot.

In some embodiments, the ontology includes periphery wall annular in shape, interconnecting piece and internal perisporium, the connection Portion connects the periphery wall and the internal perisporium and surrounds the air cavity jointly, and the interconnecting piece, the fire are run through in the channel The periphery wall is run through in hole.

In some embodiments, the quantity in the channel is multiple, interior lateral edge of the multiple channel in the partition The equiangularly spaced distribution of the circumferential direction of the ontology.

In some embodiments, the top surface of the ontology is formed with the mounting groove of annular, the bottom surface projection of the upper cover There is cricoid mounting plate, the mounting plate is at least partially disposed in the mounting groove, and the mounting groove is located at described logical The inside in road.

In some embodiments, the middle position of the ontology offers the through-hole with the air cavity interval, the gas Chamber surrounds the through-hole, and the top surface of the ontology is formed with from the lateral surface of the ontology to the acclivitous biography fire of medial surface Slot, the partition form jagged, and the upper cover lid sets the fiery slot of the biography, and the notch and biographys fire slot are correspondingly arranged with shape At the flash hole being connected on the outside of the through-hole and the fire cover.

In some embodiments, the multiple thermometric fire holes for being connected to the through-hole are formed with below the flash hole.

In some embodiments, the fiery slot of the biography is formed with interior fire hole and endogenous fire slot, and the interior fire hole connection is described logical Hole and the fiery slot of the biography, the endogenous fire slot are connected to the through-hole and extend to the outside of the ontology from the fiery slot inner wall of the biography Face.

In some embodiments, the top surface of the upper cover corresponds to the position for passing fiery slot and is provided with arch portion, described Arch portion tilts upwards from the middle part of the upper cover to the interior direction of the upper cover.

A kind of burner of the utility model embodiment includes fire cover described in burner and any of the above-described embodiment, institute Fire cover is stated to be arranged on the burner.

The burner of the utility model embodiment uses the fire cover of the utility model embodiment, the bottom cover of fire cover and upper When lid is coupled, the setting of partition respective slot, combustion gas can be after from the channel transfer on the inside of partition to groove deflecting from partition Outside, which is exported to steady flame slot, burns, wherein when culinary art and culinary art after, from steady flame slot enter oil smoke or other sundries by The blocking of partition, it is not easy to which blocking channel on the inside of into the partition of flexion allows combustion gas is unobstructed to transmit.Meanwhile upper cover can It is releasably mounted on bottom cover, in steady flame slot or fire hole or channel blockage, upper cover can be disassembled, bottom cover is carried out clear It is clean, be conducive to increase fire cover reliability, and then increase the reliability of burner and gas cooker.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

In description of the above-mentioned and/or additional aspect and advantage of the utility model from combination following accompanying drawings to embodiment It will be apparent and be readily appreciated that, in which:

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

Fig. 2 is the stereoscopic schematic diagram of the fire cover of the utility model embodiment；

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

Fig. 4 is the stereoscopic schematic diagram of the upper cover of the utility model embodiment；

Fig. 5 is the schematic bottom view of the fire cover of the utility model embodiment；

Fig. 6 is diagrammatic cross-section of the fire cover along the direction VI-VI of Fig. 5；

Fig. 7 is diagrammatic cross-section of the fire cover along the direction VII-VII of Fig. 5；

Fig. 8 is enlarged diagram of the fire cover in the region VIII of Fig. 7；

Fig. 9 is the floor map of the burner of the utility model embodiment；

Figure 10 is diagrammatic cross-section of the fire cover along the direction X-X of Fig. 9；With

Figure 11 is diagrammatic cross-section of the fire cover along the direction XI-XI of Fig. 9.

Main Reference symbol description:

Burner 100, fire cover 10, bottom cover 12, ontology 122, air cavity 1221, fire hole 1222, channel 1223, periphery wall 1224, interconnecting piece 1225, internal perisporium 1226, mounting groove 1227, thermometric fire hole 1228, air channel 1229, ontology top surface S1, every Plate 124, through-hole 126, passes fiery slot 128, interior fire hole 1282, endogenous fire slot 1284, upper cover 14, groove 142, mounting plate at notch 1242 144, arch portion 146, the bottom surface S2 of upper cover, steady flame slot 16, flash hole 18, burner 20, middle ring combustion gas chamber 22, internal combustion gas chamber 24, outer ring combustion gas chamber 26, central flame cap 30, external ring fire cover 40, the first ejector pipe 50, the second ejector pipe 60, third ejector pipe 70, fire cover axis Y, the outside W of fire cover, fire cover inside N.

Specific embodiment

The embodiments of the present invention is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and should not be understood as practical to this Novel limitation.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, practical new at this In the description of type, the meaning of " plurality " is two or more, unless otherwise specifically defined.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected or can mutually communicate；It can be directly connected, it can also be in Between medium be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements.For this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above " One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only Indicate that first feature horizontal height is less than second feature.

Following disclosure provides many different embodiments or example is used to realize the different structure of the utility model. In order to simplify the disclosure of the utility model, hereinafter the component of specific examples and setting are described.Certainly, they are only Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments And/or the relationship between setting.In addition, the example of various specific techniques and material that the utility model provides, but this Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.

Also referring to Fig. 1 to Figure 10, the burner 100 of the utility model embodiment can be real using the utility model The fire cover 10 of mode is applied, burner 100 further includes burner 20, and fire cover 10 is arranged on burner 20.

The fire cover 10 of the utility model embodiment includes bottom cover 12 and upper cover 14, bottom cover 12 and upper cover 14 in a ring and Coaxial arrangement, upper cover 14 are removably mounted on bottom cover 12.Bottom cover 12 includes the top surface S1 of ontology 122 and projection in ontology 122 Annular partition 124, ontology 122 offers air cavity 1221, fire hole 1222 and channel 1223, and fire hole 1222 is connected to air cavity 1221 With the lateral surface of ontology 122, channel 1223 be connected to air cavity 1221 and ontology 122 top surface S1, partition 124 be located at channel 1223 and Between the lateral surface of ontology 122.The bottom surface S2 of upper cover 14 is formed with the groove 142 of annular, the setting of 124 respective slot 142 of partition. The bottom surface S2 of upper cover 14 and the top surface interval S1 of ontology 122 are arranged to be formed with the steady flame slot 16 around 10 outside of fire cover, steady flame Slot 16 is through 142 communicating passage 1223 of groove.

In the fire cover 10 of the utility model embodiment, when bottom cover 12 and upper cover 14 are coupled, 124 respective slot of partition 142 settings, combustion gas can be transmitted to after 142 deflecting of groove from the channel 1223 of the inside of partition 124 exported on the outside of partition 124 to Steady flame slot 16 burns, wherein when culinary art and after culinary art, the oil smoke or other sundries entered from steady flame slot 16 is by partition 124 blocking, it is not easy into the 124 inside blocking channel 1223 of partition of flexion, allow combustion gas is unobstructed to transmit.Meanwhile Upper cover 14 is removably mounted on bottom cover 12, can be by upper cover 14 when steady flame slot 16 or fire hole 1222 or channel 1223 block It disassembles, bottom cover 12 is cleaned, be conducive to increase by 10 reliability of fire cover, and then increase burner 100 and gas cooker Reliability.

The burner 100 of the utility model embodiment can be three ring firepower burners.The utility model embodiment Fire cover 10 may be used as the middle ring fire cover of burner 100, burner 20 is formed with middle ring combustion gas chamber 22, air cavity 1221 and middle ring Combustion gas chamber 22 is correspondingly arranged.In this way, the mixed gas of combustion gas and air in middle ring combustion gas chamber 22 can be transmitted to air cavity 1221, which are transmitted to fire cover 10 in turn, burns.

Please refer to Fig. 3, Fig. 6 and Fig. 7, it should be noted that the outside W of fire cover 10 is fire cover 10 far from 10 axis Y of fire cover Side, inside N be fire cover 10 close to the side of 10 axis Y of fire cover.Lateral surface, that is, ontology 122 of ontology 122 is far from fire cover 10 The surface of the side of axis Y, hereinafter to the description such as the outside of 10 other structures of fire cover, inside, outer edge and inward flange and this It is similar.

122 lateral surface of ontology is formed with fire hole 1222, and combustion gas is transmitted to fire hole 1222 from air cavity 1221, and then in fire cover 10 Outside burning.In some embodiments, 1222 quantity of fire hole is multiple, circumferential isogonism of multiple fire holes 1222 along ontology 122 Degree is spaced apart.When burner 100 burns, flame rings are burnt around fire cover 10, and burner 100 can be evenly heated cookware.

In some embodiments, the cross section of multiple fire holes 1222 basically cylindrical (ginseng Fig. 6) and size is essentially identical.

It is appreciated that cylindrical fire hole 1222 is easy to form, and be conducive to transmit combustion gas.Size it is essentially identical so that The combustion gas output quantity of each fire hole 1222 is essentially identical, and the flame that the combustion gas that each fire hole 1222 transmits out is formed after being ignited is big It is small essentially identical, so that the flame of fire cover 10 is more uniform, be conducive to be evenly heated object.

Specifically, the top surface S1 of ontology 122 is arranged along the horizontal plane in the orientation of Fig. 6 and Fig. 7,124 projection of partition is at this The top surface S1 of body 122, channel 1223 are connected to the top surface S1 of air cavity 1221 and ontology 122, i.e., channel 1223 is in the top surface of ontology 122 The outlet port of S1 is lower than partition 124, and combustion gas is stopped by partition 124 after exporting from channel 1223 and can be transmitted to groove 142, And then steady flame slot 16 is transmitted to from the outside of partition 124.

Wherein, the bottom surface S2 of upper cover 14 is substantially parallel with 122 top surface S1, the bottom surface S2 of upper cover 14 and the top of ontology 122 The face interval S1, the gap between the bottom surface S2 of upper cover 14 and the top surface S1 of ontology 122 on the outside of fire cover, which is formed, is centered around fire The steady flame slot 16 of the outer surface of lid 10, combustion gas are directed at the steady burning of flame slot 16 through channel 1223 and pass fiery function to realize.At one In example, the steady flame slot 16 that the bottom surface S2 of upper cover 14 and the top surface S1 of ontology 122 are cooperatively formed is around fire cover 10 in the annulus of individual pen Shape.

Referring to Figure 6 together, Fig. 7 and Fig. 8, in some embodiments, the open horizontal phase of partition 124 and steady flame slot 16 It is right.

It is appreciated that the opening of steady flame slot 16 is located at the lateral surface of fire cover 10, oil smoke and sundries etc. are open from steady flame slot 16 In horizontal proliferation to steady flame slot 16.In this way, partition 124 can stop oil smoke and sundries etc. further diffuse in channel 1223 with It avoids channel 1223 from blocking, keeps fuel gas flow unobstructed.

Further, the bottom surface S2 of upper cover 14 is concordant with the top surface S1 of the partition 124.

It is appreciated that 124 projection of partition is on the top surface S1 of ontology 122, the bottom surface S2 of upper cover 14 and the partition 124 Top surface S1 is concordant, the distance of the top surface S1 of the top surface S1 of ontology 122 to partition 124 and 122 top surface S1 of ontology to 14 bottom surface of upper cover The distance of S2 is identical, and in other words, the height h of partition 124 and the opening width d of steady flame slot 16 are essentially identical.In this way, from steady flame Oil smoke and sundries that the opening of slot 16 enters etc. are more easily more difficult by the blocking of partition 124 to be diffused into channel 1223, And then make the more difficult blocking in channel 1223, further increase the reliability of fire cover 10.

Please refer to Fig. 5, Fig. 6 and Fig. 7, in some embodiments, ontology 122 include periphery wall 1224 annular in shape, Interconnecting piece 1225 and internal perisporium 1226, interconnecting piece 1225 connect periphery wall 1224 and internal perisporium 1226 and surround air cavity jointly 1221, interconnecting piece 1225 is run through in channel 1223, and fire hole 1222 runs through periphery wall 1224.

In this way, air cavity 1221 is between periphery wall 1224 and internal perisporium 1226,1224 shape of interconnecting piece 1225 and periphery wall At the top surface S1 for having ontology 122, the outer edge of periphery wall 1224 from interconnecting piece 1225 is extended downwardly, and internal perisporium 1226 is from interconnecting piece 1225 inward flange is downward and upwardly extends.Interconnecting piece 1225 is run through in channel 1223 vertically, combustion gas can be led from air cavity 1221 Out to groove 142.Fire hole 1222 is through periphery wall 1224 and from air cavity 1221 to the inclination upwards of 122 outside of ontology.In this way, advantageous It is transmitted in combustion gas.

Further, 124 can projection the top surface of interconnecting piece 1225 or 124 can projection in the top surface of periphery wall 1224, or 124 can projection in the top surface of interconnecting piece 1225 and the top surface of periphery wall 1224.

Referring to Fig. 2, steady flame slot 16 is located at 1222 top of fire hole in the utility model embodiment.

It is appreciated that moved upwards after combustion gas transmission fire output hole 1222, when thering is combustion gas to transmit fire output hole 1222, steady flame slot 16 Be conducive to steady flame slot 16 above main fire hole 1222 and light the combustion gas transmitted out from fire hole 1222, flame is passed by steady flame slot 16 It is handed to fire hole 1222.In this way, steady flame slot 16 plays the work for rekindling the flame of fire hole 1222 in 1222 fray-out of flame With to play the role of steady flame.It is appreciated that in other embodiments, steady flame slot 16 can also be located at according to the actual situation The lower section of fire hole 1222.

Also referring to Fig. 3 and Fig. 5, in some embodiments, the quantity in channel 1223 is multiple, multiple channels 1223 In the equiangularly spaced distribution of circumferential direction of the interior lateral edge ontology 122 of partition 124.

In this way, multiple channels 1223 can make the combustion gas for being transmitted to steady flame slot 16 more uniform, when burner 100 burns, Steady flame slot 16 can form the flame enclosed around fire cover 10 1, thereby may be ensured that steady flame slot 16 passes fiery stability.

Also referring to Fig. 3, Fig. 6 and Fig. 7, in some embodiments, the top surface S1 of ontology 122 is formed with the peace of annular Tankage 1227, the bottom surface S2 of upper cover 14 are convexly equipped with cricoid mounting plate 144, and mounting plate 144 is at least partially disposed on mounting groove In 1227, mounting groove 1227 is located in the inside in channel 1223.

In this way, mounting groove 1227 can position for mounting plate 144, and then facilitate when upper cover 14 is mounted on bottom cover 12 Fire cover 10 assembles.Mounting groove 1227 is located at the inside in channel 1223, and mounting groove 1227 and the cooperation of mounting plate 144 are so that from channel Combustion gas derived from 1223 is not easy to escape from the inside of fire cover 10, improves the leakproofness of the combustion gas gas circuit of fire cover 10, and combustion gas can be with Steady flame slot 16 is transmitted to burn.

Referring to Fig. 3, in some embodiments, the middle position of ontology 122 is offered to be led to what air cavity 1221 was spaced Hole 126, air cavity 1221 surround through-hole 126, and the top surface S1 of ontology 122, which is formed with from the lateral surface of ontology 122 to inside, to face upward Inclined biography fire slot 128, partition 124 form jagged 1242, and the lid of upper cover 14 sets the fiery slot 128 of biography, notch 1242 and the fiery slot 128 of biography Corresponding connection is to form the flash hole 18 on the outside of connection through-hole 126 and fire cover 10.

Fig. 8, Fig. 9 and Figure 10 are please referred to, the burner 100 of the utility model embodiment includes inner fire cover 30, inner fire cover 30 are accommodated in the through-hole 126 of fire cover 10, are adapted to the requirement of the different firepower sizes of burner 100.Inner fire cover 30 and fire cover 10 When one combust, the range of flame combustion is expanded, is conducive to increase heating surface (area) (HS quickly to heat.

Further, steady flame slot 16 is connected to flash hole 18.In this way, such as increasing from small fire when burner 100 changes firepower size When high flame, combustion gas is transmitted to fire cover 10, and the flame at inner fire cover 30 can reach steady flame slot 16 by flash hole 18 and pass It is handed to fire hole 1222, so that being transmitted to the combustion gas of the fire hole 1222 of fire cover 10 can be ignited.It passes fiery slot 128 and is formed in ontology 122, flame burns above inner fire cover 30, and the flash hole 18 being obliquely installed is conducive to flash hole 18 and is connected on inner fire cover 30 Side space.In one example, inner fire cover 30 can form infrared fire when combustion gas is burnt at inner fire cover 30 for ceramic fire cover Flame.Incorporated by reference to Fig. 9 and Figure 10, inner fire cover 30 offers the infrared fire hole 32 being vertically arranged.

In one example, mounting plate 144 is each formed with notch 1242, and notch 1242 and the fiery slot 128 of biography are corresponding.In this way, The area of section for expanding flash hole 18 is conducive to flash hole 18 and efficiently transmits flame.

In some embodiments, the lower section of flash hole 18 is formed with multiple thermometric fire holes 1228 of connection through-hole 126.

It is appreciated that since structure is more compact between fire cover 10 and inner fire cover 30, the temperature-detecting device of burner 100 The outside that (such as thermocouple) is generally arranged at fire cover 10 is provided with the position of thermometric fire hole 1228, anticipates in the flame of burner 100 When outer extinguishing, temperature-detecting device issues misfire signals, and gas cooker can stop gas supply, avoid gas leakage.In this way, interior The flame of fire cover 30 can be transferred to thermometric fire hole 1228, in other words, even if burner 100 opens small fire, only inner fire cover 30 have flame combustion, and the temperature-detecting device positioned at the outside of fire cover 10 still can be by the fire defector of thermometric fire hole 1228 to warm Degree is avoided in inner fire cover 30 there are when flame, false triggering gas cooker turns off combustion gas with improving detection accuracy.

Specifically, thermometric fire hole 1228 close to flash hole 18 be arranged, thermometric fire hole 1228 flame by environmental disturbances And when surprisingly extinguishing, it can be rekindled in time by flash hole 18, avoid hypertelorism that thermometric fire hole 1228 is rekindled Not in time or the too small sending that can not be transferred to thermometric fire hole 1228 and trigger temperature-detecting device of 18 flame of flash hole is flame-out Signal causes burner 100 to be ceased fire.

In one example, multiple thermometric fire holes 1228 are in array distribution.In this way, temperature-detecting device detects flame Range is relatively large, avoids the flame of thermometric fire hole 1228 offset corresponding position affected by environment that temperature-detecting device is detected Burner 100 is caused to be ceased fire less than flame.

Fig. 2, Fig. 5 and Fig. 6 are please referred to, in one example, ontology 122 is formed with air channel 1229, and air channel 1229 connects All hole 126 and with air cavity 1221 be spaced be arranged, thermometric fire hole 1228 be connected to air channel 1229.In this way, thermometric fire hole 1228 connects Air drain 1229 and then connection through-hole 126 all.

In some embodiments, burner 20 be formed with the spaced internal combustion gas chamber 24 of middle ring combustion gas chamber 22, Through-hole 126 where inner fire cover 30 is connected to the internal combustion gas chamber 24 of burner 20, and middle ring combustion gas chamber 22 surrounds internal combustion gas chamber 24, The corresponding internal combustion gas chamber 24 of through-hole 126 is arranged, and the combustion gas of internal combustion gas chamber 24 and the mixed gas of air can be passed with via through holes 126 It transports to above inner fire cover 30 and burns, meanwhile, the combustion gas of internal combustion gas chamber 24 can be passed with via through holes 126 and air channel 1229 It transports to outside the thermometric fire hole 1228 of fire cover 10 and burns.Guarantee there is flame at thermometric fire hole 1228 when burner 100 is opened.

Referring to Fig. 2 and Fig. 3, in some embodiments, passes fiery slot 128 and be formed with interior fire hole 1282 and endogenous fire slot 1284, interior fire hole 1282 is connected to through-hole 126 and passes fiery slot 128, and endogenous fire slot 1284 is connected to through-hole 126 and 128 inner wall of autobiography fire slot Extend to the lateral surface of ontology 122.

Wherein, interior fire hole 1282 is connected to air channel 1229 with endogenous fire slot 1284 and then is connected to through-hole 126, in this way, endogenous fire Hole 1282 and endogenous fire slot 1284 can provide combustion gas for flash hole 18, advantageously ensure that the stability for passing fire.Endogenous fire slot 1284 extends To 122 outside of ontology, flame can also be transferred to thermometric fire hole 1228 by endogenous fire slot 1284, advantageously ensured that by flash hole 18 The reliability of temperature-detecting device.

In one example, interior fire hole 1282 is multiple, and multiple interior fire holes 1282 are evenly distributed on 1284 two sides of endogenous fire slot. In the illustrated embodiment, interior fire hole 1282 is 4.Certainly, in other embodiments, the quantity of interior fire hole 1282 can root According to needing flexible configuration.

In some embodiments, the corresponding position for passing fiery slot 128 in the top surface of upper cover 14 is provided with arch portion 146, arch Portion 146 tilts upwards from the middle part of upper cover 14 to the interior direction of upper cover 14.

In this way, being provided with inner fire cover 30 on the inside of fire cover 10, arch portion 146 can increase flash hole 18 in 10 inside of fire cover Opening, allows the flame of inner fire cover 30 to be efficiently and stably transferred to flash hole 18, meanwhile, it can keep empty in flash hole 18 Air-flow is logical, so that 18 flame flameholding of flash hole, is conducive to the igniting property for improving flash hole 18.

Also referring to Fig. 8, Fig. 9 and Figure 10, in some embodiments, burner 100 includes external ring fire cover 40, outer ring Fire cover 40 is basic annular in shape and setting is in 10 outside of fire cover, and burner 20 is formed with and the spaced outer ring of middle ring combustion gas chamber 22 Combustion gas chamber 26, outer ring combustion gas chamber 26 surround middle ring combustion gas chamber 22, and external ring fire cover 40 is arranged on outer ring gas chamber room 26.

In this way, the mixed gas of combustion gas and air can be transmitted to external ring fire cover 40 and be fired in outer ring combustion gas chamber 26 It burns, when 40 co-fire of inner fire cover 30, fire cover 10 and external ring fire cover, greatly expands the range of flame combustion, it is equally advantageous In increasing heating surface (area) (HS quickly to heat.

In some embodiments, burner 20 includes the first ejector pipe 50, the second ejector pipe 60 and third ejector pipe 70, the One ejector pipe 50 is connected to internal combustion gas chamber 24, and the second ejector pipe 60 is connected to middle ring combustion gas chamber 24, and third ejector pipe 70 is connected to outer Ring combustion gas chamber 26.

In this way, three ejector pipes are respectively that internal combustion gas chamber 24, middle ring combustion gas chamber 22 and outer ring combustion gas chamber 26 are independent Gas supply is conducive to burner 100 and adjusts firepower size.

In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation The description of mode ", " example ", specific examples or " some examples " etc. means the tool described in conjunction with the embodiment or example Body characteristics, structure, material or feature are contained at least one embodiment or example of the utility model.In this specification In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.

While there has been shown and described that the embodiments of the present invention, those skilled in the art can manage Solution: a variety of to the progress of these embodiments can change in the case where not departing from the principles of the present invention and objective, modify, Replacement and variant, the scope of the utility model are defined by the claims and their equivalents.

Claims (10)

1. a kind of fire cover, which is characterized in that including bottom cover and upper cover, the bottom cover and the upper cover are set in a ring and coaxially It sets, the upper cover is removably mounted on the bottom cover, and the bottom cover includes the annular of ontology and projection in the body top surface Partition, the ontology offers air cavity, fire hole and channel, and the fire hole is connected to the lateral surface of the air cavity and the ontology, The channel is connected to the top surface of the air cavity and the ontology, the partition be located at the channel and the ontology lateral surface it Between, the bottom surface of the upper cover is formed with the groove of annular, and the partition corresponds to the groove setting, the bottom surface of the upper cover and institute Steady flame slot of the top surface interval setting of ontology to be formed on the outside of the fire cover is stated, the steady flame slot is connected to through the groove The channel.

2. fire cover as described in claim 1, which is characterized in that the partition is opposite with the open horizontal of the steady flame slot.

3. fire cover as described in claim 1, which is characterized in that the ontology include periphery wall annular in shape, interconnecting piece and Internal perisporium, the interconnecting piece connect the periphery wall and the internal perisporium and surround the air cavity jointly, and institute is run through in the channel Interconnecting piece is stated, the fire hole runs through the periphery wall.

4. fire cover as described in claim 1, which is characterized in that the quantity in the channel be it is multiple, the multiple channel is in institute State the equiangularly spaced distribution of circumferential direction of ontology described in the interior lateral edge of partition.

5. fire cover as described in claim 1, which is characterized in that the top surface of the ontology is formed with the mounting groove of annular, described The bottom surface of upper cover is convexly equipped with cricoid mounting plate, and the mounting plate is at least partially disposed in the mounting groove, the installation Slot position is in the inside in the channel.

6. fire cover as described in claim 1, which is characterized in that the middle position of the ontology offers and the air cavity interval Through-hole, the air cavity surround the through-hole, the top surface of the ontology be formed with from the lateral surface of the ontology to inside towards The upper fiery slot of inclined biographys, the partition form jagged, and the upper cover lid sets the fiery slot of biographys, the notch and biography fire slot It is correspondingly arranged to form the flash hole being connected on the outside of the through-hole and the fire cover.

7. fire cover as claimed in claim 6, which is characterized in that be formed with the more of the connection through-hole below the flash hole A thermometric fire hole.

8. fire cover as claimed in claim 6, which is characterized in that the fiery slot of the biography is formed with interior fire hole and endogenous fire slot, described interior Fire hole is connected to the through-hole and the fiery slot of the biography, and the endogenous fire slot is connected to the through-hole and extends to institute from the fiery slot inner wall of the biography State the lateral surface of ontology.

9. fire cover as claimed in claim 6, which is characterized in that the top surface of the upper cover corresponds to the position setting for passing fiery slot There is arch portion, the arch portion tilts upwards from the middle part of the upper cover to the interior direction of the upper cover.

10. a kind of burner, which is characterized in that including burner and the described in any item fire covers of claim 1-9, the fire cover is set It sets on the burner.