CN205746850U - Little fire cover and burner - Google Patents

Abstract

This utility model provides a kind of little fire cover and burner.Little fire cover includes: little fire top board, and little fire top board offers multiple first fire hole；Little fire medial wall, little fire medial wall surrounds pore structure；Being positioned at the little fire lateral wall of the outer ring of little fire medial wall, little fire top board is arranged on little fire medial wall and little fire lateral wall；Being positioned at the little fire annular slab of the lower section of little fire top board, the internal ring side of little fire annular slab is connected with little fire medial wall, and the outer rim side of little fire annular slab is connected with little fire lateral wall, and little fire annular slab offers multiple second fire hole.This utility model solves the little fire cover of burner of the prior art and exists from flame, the problem of tempering.

Description

Little fire cover and burner

Technical field

This utility model relates to cooking apparatus technical field, in particular to a kind of little fire cover and burner.

Background technology

The little fire cover of existing Domestic combustor, owing to source of the gas is more complicated, in actual use, often encounters From the problem such as flame, tempering, this is because the speed of giving vent to anger that different sources of the gas is at fire hole is different with burning velocity, wherein, from flame The speed that is because giving vent to anger is more than burning velocity, and tempering is because giving vent to anger speed less than burning velocity.

Therefore, in order to ensure dependability and the stability of burner, need to improve that little fire cover causes from flame, tempering Problem.

Utility model content

Main purpose of the present utility model is to provide a kind of little fire cover and burner, to solve burning of the prior art The little fire cover of device exists from flame, the problem of tempering.

To achieve these goals, according to an aspect of the present utility model, it is provided that a kind of little fire cover, including: little fire Top board, little fire top board offers multiple first fire hole；Little fire medial wall, little fire medial wall surrounds pore structure；It is positioned at little fire The little fire lateral wall of the outer ring of sidewall, little fire top board is arranged on little fire medial wall and little fire lateral wall；It is positioned at little fire top board The little fire annular slab of lower section, the internal ring side of little fire annular slab is connected with little fire medial wall, the outer rim side of little fire annular slab and little fire Lateral wall connects, and little fire annular slab offers multiple second fire hole.

Further, little fire medial wall offers at least one the 3rd fire hole.

Further, little fire annular slab is positioned at inside bottom and the little fire of little fire medial wall with the junction point of little fire medial wall Between the top of wall, and in the part that the 3rd fire hole is between bottom and the junction point of little fire medial wall.

Further, the number of the 3rd fire hole is 2 to 4.

Further, between centrage and the horizontal direction of the 3rd fire hole, there is angle, the close pore structure of the 3rd fire hole One end higher than one end of facing away from hiatus structure of the 3rd fire hole, the scope of angle is more than or equal to 10 degree and is less than or equal to 35 degree.

Further, the axis of the second fire hole is parallel with vertical direction.

Further, in the form of a ring, the top of little fire medial wall is connected, outside little fire little fire top board with the internal ring side of little fire top board The top of sidewall is connected with the outer rim side of little fire top board.

Further, little fire top board is mesh-plate structure, and the mesh of mesh-plate structure is as the first fire hole.

Further, little fire top board is obliquely installed relative to little fire medial wall and little fire lateral wall, makes when little fire cover is in When using state, little fire top board and horizontal plane between there is angle so that little fire top board become guide face, guide face by little fire inside Extension is tilted upward at wall or little fire lateral wall.

Further, when little fire cover is in use state, the height of the upper edge of little fire lateral wall is higher than inside little fire The height of the upper edge of wall, little fire top board is tilted upward the upper edge extending to little fire lateral wall by little fire medial wall.

Further, guide face is inversed taper platform shape inclined-plane or inversed taper platform shape cascaded surface.

According to another aspect of the present utility model, it is provided that a kind of burner, including flame-out protection device and little fire cover, little Fire cover is above-mentioned little fire cover, and flame-out protection device is arranged at the pore structure of little fire cover.

Further, burner also includes: little fire distributor, and little fire cover lid is located in little fire distributor；Big fire distributor, Little fire distributor is arranged on the center of big fire distributor；Big fire cover, big fire cover lid is located in big fire distributor；Little fire literary composition mound In, little fire venturi, little fire distributor and little fire cover form little fire hybrid chamber；Big fire venturi, big fire venturi, big fire divide fire Device and big fire cover form big fire hybrid chamber.

Application the technical solution of the utility model, offers multiple first fire hole on little fire top board, and little fire medial wall is enclosed Becoming pore structure, little fire top board to be arranged on little fire medial wall and little fire lateral wall, little fire annular slab is positioned at the lower section of little fire top board And the internal ring side of little fire annular slab is connected with little fire medial wall, the outer rim side of little fiery annular slab is connected with little fiery lateral wall, little fire Multiple second fire hole is offered on annular slab.

By offering multiple first fire hole on little fire top board, and on little fire annular slab, offer multiple second fire Hole, so that little fire cover has upper and lower two-layer fire hole structure, can effectively stop the burning shape from the instability such as flame and tempering Condition.

Accompanying drawing explanation

The Figure of description of the part constituting the application is used for providing being further appreciated by of the present utility model, this practicality Novel schematic description and description is used for explaining this utility model, is not intended that improper restriction of the present utility model. In the accompanying drawings:

Fig. 1 shows the structural representation of the burner according to an alternative embodiment of the present utility model；

Fig. 2 shows the structural representation of the little fire cover in Fig. 1；

Fig. 3 shows the internal structure schematic diagram of the little fire cover in Fig. 2；

Fig. 4 show the little fire cover in Fig. 2 little fire top board with little fire medial wall, little fire lateral wall separate after state show It is intended to；And

Fig. 5 shows the view of another angle of the little fire cover in Fig. 4.

Wherein, above-mentioned accompanying drawing includes the following drawings labelling:

10, little fire top board；11, the first fire hole；20, little fire medial wall；21, pore structure；22, the 3rd fire hole；30, outside little fire Sidewall；40, little fire annular slab；41, the second fire hole；50, little fire distributor；60, big fire distributor；70, big fire cover；80, little fire Venturi；90, big fire venturi.

Detailed description of the invention

It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases Combination mutually.Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.

It it is noted that described further below is all exemplary, it is intended to provide further instruction to the application.Unless it is another Indicating, all technology used herein and scientific terminology have usual with the application person of an ordinary skill in the technical field The identical meanings understood.

In this utility model, in the case of illustrating on the contrary, the noun of locality of use such as " upper and lower, top, the end " is generally For direction shown in the drawings, or for parts this on vertical, vertical or gravity direction for；With Sample ground, for ease of understanding and describing, it is inside and outside that " inside and outside " refers to relative to the profile of each parts itself, but the above-mentioned noun of locality is also It is not used in restriction this utility model.

Exist from flame, the problem of tempering to solve the little fire cover of burner of the prior art.This utility model provides A kind of little fire cover and burner.

Wherein, burner includes flame-out protection device and little fire cover, and little fire cover is following little fire cover.

As shown in Figures 2 to 5, little fire cover includes little fire top board 10, little fire medial wall 20, is positioned at outside little fire medial wall 20 The little fire lateral wall 30 of circle, it is positioned at the little fire annular slab 40 of the lower section of little fire top board 10, little fire top board 10 offers multiple the One fire hole 11；Little fire medial wall 20 surrounds pore structure 21；Little fire top board 10 is arranged on little fire medial wall 20 and little fire lateral wall 30 On；The internal ring side of little fire annular slab 40 is connected with little fire medial wall 20, the outer rim side of little fire annular slab 40 and little fire lateral wall 30 Connect, little fire annular slab 40 offers multiple second fire hole 41.

Wherein, flame-out protection device is arranged at the pore structure 21 of little fire cover.Owing to flame-out protection device is arranged on hole The centre of structure 21, so, beneficially thermic load is accomplished less.

By offering multiple first fire hole 11 on little fire top board 10, and on little fire annular slab 40, offer multiple the Two fire holes 41, so that little fire cover has upper and lower two-layer fire hole structure 21, can effectively stop from the instability such as flame and tempering Combustion position.When source of the gas instability, being easily generated from flame state, the first fire hole 11 can be prevented effectively from the situation from flame；When When running into Annealed Strip, flame returns at the second fire hole 41, the second fire hole 41 can ground resistance non-return fire situation.

Alternatively, flame-out protection device is thermocouple.

As shown in Figure 3 and Figure 5, little fire medial wall 20 offers at least one the 3rd fire hole 22.Here, the 3rd fire hole 22 It it is monolayer fire hole.

In order to improve guarantor's fire effect of burner, the 3rd fire hole 22 is arranged towards flame-out protection device.

As it is shown in figure 5, the 3rd fire hole 22 is multiple, multiple 3rd fire holes 22 not of uniform size.In such manner, it is possible to be effectively improved The steady fire performance of burner, is prevented effectively from from fire.

Specifically, the 3rd fire hole 22 is divided into multiple big fire hole and multiple small fire hole, and the hole area of big fire hole is more than little fire The hole area in hole.Multiple big fire holes are arranged with multiple small fire hole alternate intervals.It is arranged such, it is possible to be effectively improved the heat of burner Efficiency.

Alternatively, the number of the 3rd fire hole 22 is 2 to 4.The number of the 3rd fire hole 22 can be born with specific reference to slow fire heat Lotus determines.

In order to improve guarantor's fire effect of burner further, between centrage and the horizontal direction of the 3rd fire hole 22, there is folder Angle, one end of the close pore structure 21 of the 3rd fire hole 22 is higher than one end of the facing away from hiatus structure 21 of the 3rd fire hole 22, the model of angle Enclose more than or equal to 10 degree and less than or equal to 35 degree.

In the detailed description of the invention shown in Fig. 3 and Fig. 5, little fire annular slab 40 is positioned at the junction point of little fire medial wall 20 Between bottom and the top of little fire medial wall 20 of little fire medial wall 20, and the 3rd fire hole 22 is positioned at the bottom of little fire medial wall 20 And in the part between junction point.So, it is more beneficial for improving and protects fire effect.

It is, of course, also possible in the part the 3rd fire hole 22 being arranged between top and the junction point of little fire medial wall 20.

As it is shown on figure 3, the axis of the second fire hole 41 is parallel with vertical direction.By the second fire hole 41 being made the most upward Form, it is possible to effectively reduce combustion gas flow resistance, improve the efficiency of combustion of burner.

As shown in Figures 1 to 5, little fire top board 10 in the form of a ring, little fire medial wall 20 top with little fire top board 10 internal ring Side connects, and the top of little fire lateral wall 30 is connected with the outer rim side of little fire top board 10.So, little fire top board 10 is in pore structure 21 Top forms hatch frame, to guarantee to provide enough auxiliary air to the 3rd fire hole 22, makes guarantor's fire effect of burner More preferably, be conducive to avoiding burner because of extraneous factor accident extinguishing.

Specifically, little fire top board 10 is mesh-plate structure, and the mesh of mesh-plate structure is as the first fire hole 11.

Alternatively, mesh-plate structure is that stainless steel material is made.

Certainly, little fire cover entirety can also be that copper product is made.

In addition to above-mentioned connected mode, little fire top board 10 can also be placed on little fire medial wall 20 and little fire lateral wall The top of 30.So, it is simple to little fire top board 10 is dismantled, periodically to clear up little fire cover.

Alternatively, little fire top board 10 can be fixed on by the way of crimping little fire medial wall 20 and little fire lateral wall 30 it Between.

In a not shown optional embodiment, little fire top board is one piece of complete tabular knot with the first fire hole Structure.So, little fire top board can be placed on little fire medial wall and the top of little fire lateral wall, covers pore structure simultaneously.Certainly, should Little fire top board can also be connected with the top on the top of little fire medial wall or little fire lateral wall equally.

Alternatively, little fire top board 10 is obliquely installed, at little fire cover relative to little fire medial wall 20 and little fire lateral wall 30 In use state time, little fire top board 10 and horizontal plane between there is angle so that little fire top board 10 become guide face, guide face by Extension is tilted upward at little fire medial wall 20 or little fire lateral wall 30.By the little fire top board 10 of little fire cover is arranged to and level Mask has the form of angle, so that the little fire top board 10 of little fire cover has guide functions and becomes guide face, in order to running into excessive pot During phenomenon, the liquid being dropped on little fire top board 10 can depart from little fire top board 10 under the effect of guide face, it is to avoid liquid waters Fire extinguishing, and decrease the probability of fire hole blocking, thus eliminate the potential safety hazard extinguished due to fire hole blocking or fire and bring, carry The high safety in utilization of burner.Simultaneously as the blocking probability of fire hole reduces, thus user is without periodically carrying out fire hole Cleaning, decreases the cleaning frequency of burner, improves the property easy to use of burner.

In the detailed description of the invention shown in Fig. 2 to Fig. 4, when little fire cover is in use state, little fire lateral wall 30 The height of upper edge is higher than the height of the upper edge of little fire medial wall 20, and little fire top board 10 is tilted upward by little fire medial wall 20 and prolongs Extend at the upper edge of little fire lateral wall 30.So, when excessive pot situation occur, liquid can flow under the effect of guide face Enter at pore structure 21, it is to avoid liquid stops on guide face.It is connected with air due to pore structure 21 again, auxiliary air can be made Preferably supplemented.

Alternatively, guide face is inversed taper platform shape inclined-plane or inversed taper platform shape cascaded surface.As long as the slope trend of guide face is one Cause, it becomes possible to ensure the smooth conducting fluid of guide face.

In a not shown optional embodiment, when little fire cover is in use state, little fire medial wall 20 upper The height at edge is tilted upward extension higher than the height of the upper edge of little fire lateral wall 30, little fire top board 10 by little fire lateral wall 30 To the upper edge of little fire medial wall 20.Such guide face, also can have the effect of water conservancy diversion.

As it is shown in figure 1, burner also includes little fire distributor 50, big fire distributor 60, big fire cover 70, little fire venturi 80 With big fire venturi 90, little fire cover lid is located in little fire distributor 50；Little fire distributor 50 is arranged in big fire distributor 60 At the heart；Big fire cover 70 lid is located in big fire distributor 60；Little fire venturi 80, little fire distributor 50 and little fire cover form little fire and mix Close chamber；Big fire venturi 90, big fire distributor 60 and big fire cover 70 form big fire hybrid chamber.The burner of said structure, it is possible to Ensure that burner has the advantage that efficiency of combustion is high, heating properties is good.

Alternatively, burner is burner for household gas range.

It should be noted that term used herein above merely to describe detailed description of the invention, and be not intended to restricted root Illustrative embodiments according to the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when using term " to comprise " in this manual and/or " bag Include " time, it indicates existing characteristics, step, work, device, assembly and/or combinations thereof.

It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, " Two " it is etc. for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that so use Data can exchange in the appropriate case, in order to presently filed embodiment described herein can be with except here illustrating Or the order enforcement beyond those described.

The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this For the technical staff in field, this utility model can have various modifications and variations.All in spirit of the present utility model and principle Within, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.

Claims (13)

1. a little fire cover, it is characterised in that including:

Little fire top board (10), described little fire top board (10) offers multiple first fire hole (11)；

Little fire medial wall (20), described little fire medial wall (20) surrounds pore structure (21)；

Being positioned at little fire lateral wall (30) of the outer ring of described little fire medial wall (20), described little fire top board (10) is arranged on described little On fire medial wall (20) and described little fire lateral wall (30)；

It is positioned at little fire annular slab (40) of the lower section of described little fire top board (10), the internal ring side of described little fire annular slab (40) and institute Stating little fire medial wall (20) to connect, the outer rim side of described little fire annular slab (40) is connected with described little fire lateral wall (30), described Multiple second fire hole (41) is offered on little fire annular slab (40).

Little fire cover the most according to claim 1, it is characterised in that offer at least one on described little fire medial wall (20) 3rd fire hole (22).

Little fire cover the most according to claim 2, it is characterised in that described little fire annular slab (40) and described little fire medial wall (20) junction point is positioned between the bottom of described little fire medial wall (20) and the top of described little fire medial wall (20), and described 3rd fire hole (22) is positioned in the part between bottom and the described junction point of described little fire medial wall (20).

Little fire cover the most according to claim 3, it is characterised in that the number of described 3rd fire hole (22) is 2 to 4.

Little fire cover the most according to claim 2, it is characterised in that the centrage of described 3rd fire hole (22) and horizontal direction Between there is angle, one end of the close described pore structure (21) of described 3rd fire hole (22) is higher than described 3rd fire hole (22) Away from one end of described pore structure (21), the scope of described angle is more than or equal to 10 degree and less than or equal to 35 degree.

Little fire cover the most according to any one of claim 1 to 5, it is characterised in that the axis of described second fire hole (41) Parallel with vertical direction.

Little fire cover the most according to any one of claim 1 to 5, it is characterised in that described little fire top board (10) in the form of a ring, The top of described little fire medial wall (20) is connected with the internal ring side of described little fire top board (10), the top of described little fire lateral wall (30) The outer rim side with described little fire top board (10) is held to be connected.

Little fire cover the most according to any one of claim 1 to 5, it is characterised in that described little fire top board (10) is web plate Structure, the mesh of described mesh-plate structure is as described first fire hole (11).

Little fire cover the most according to any one of claim 1 to 5, it is characterised in that described little fire top board (10) relative to Described little fire medial wall (20) and described little fire lateral wall (30) are obliquely installed, when described little fire cover is in use state, and institute State little fire top board (10) and horizontal plane between there is angle so that described little fire top board (10) become guide face, described guide face by Described little fire medial wall (20) or described little fire lateral wall (30) place tilt upward extension.

Little fire cover the most according to claim 9, it is characterised in that when described little fire cover is in use state, described little The height of the upper edge of fire lateral wall (30) is higher than the height of the upper edge of described little fiery medial wall (20), described little fire top board (10) by described little fire medial wall (20) tilt upward extend to described little fire lateral wall (30) upper edge.

11. little fire covers according to claim 10, it is characterised in that described guide face is inversed taper platform shape inclined-plane or inversed taper platform Shape cascaded surface.

12. 1 kinds of burners, including flame-out protection device and little fire cover, it is characterised in that described little fire cover be claim 1 to Little fire cover according to any one of 11, described flame-out protection device is arranged on pore structure (21) place of described little fire cover.

13. burners according to claim 12, it is characterised in that described burner also includes:

Little fire distributor (50), described little fire cover lid is located on described little fire distributor (50)；

Big fire distributor (60), described little fire distributor (50) is arranged on the center of described big fire distributor (60)；

Big fire cover (70), described big fire cover (70) lid is located on described big fire distributor (60)；

Little fire venturi (80), described little fire venturi (80), described little fire distributor (50) and described little fire cover form little fire Hybrid chamber；

Big fire venturi (90), described big fire venturi (90), described big fire distributor (60) and described big fire cover (70) are formed Big fire hybrid chamber.