CN110360565A

CN110360565A - A kind of split type fire cover and application have the burner of the fire cover

Info

Publication number: CN110360565A
Application number: CN201910608387.1A
Authority: CN
Inventors: 方晓艳; 李林; 俞瑜; 郑军妹
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-07-07
Filing date: 2019-07-07
Publication date: 2019-10-22
Anticipated expiration: 2039-07-07
Also published as: CN110360565B

Abstract

A kind of split type fire cover, including in a ring upper cover (1) and lower cover (2), upper cover (1) is shelved on lower cover (2), and the two at least there is at neighbouring outer peripheral edge gap and formed it is cricoid go out fire open gap (13), lower cover (2) is equipped with multiple convex ribs (23) with circumferentially spaced on upper cover (1) opposite surface at least at neighbouring outer peripheral edge, relatively independent blast tube is formed between adjacent convex ribs (23), and convex ribs (23) are at least tilted in the peripheral region relative tip line of neighbouring lower cover (2), the rotation direction that all convex ribs (23) are presented on the whole clockwise or counterclockwise arranges.Split type fire cover is easy to clean, outer ring swingfire and it is larger with the base contact surface of cooker product, have the advantages that flame distribution is uniform and auxiliary air fill into it is abundant.The invention also discloses the burners that a kind of application has above-mentioned split type fire cover.Ignition electrode is easily installed, and is passed fiery slot convenient for going out and is passed fire between fire open gap and middle ring fire hole unit.

Description

A kind of split type fire cover and application have the burner of the fire cover

Technical field

The present invention relates to the burnings that technical field of burner more particularly to a kind of split type fire cover and application have the fire cover Device.

Background technique

Common burner, the fire output hole in fire cover is generally multiple independent apertures, during routine use, because Cooker discharge and cause fire hole blocking to happen occasionally, also not easy cleaning after blocking, thus how to prevent fire hole blocking, how stifled It is convenient to clean fire hole after plug, is always the problem that each burner production firm needs to solve.

For this purpose, application No. is CN201710792045.0 (Publication No. CN109424 for the applicant's earlier application one Chinese invention patent " a kind of burner fire lid " 959A), discloses a kind of split type fire cover, including fire cover ontology comprising In a ring, pedestal has annular groove for upper cover and pedestal, the upper cover and pedestal, offers first on the bottom wall of the annular groove Air inlet, and above-mentioned upper cover is covered in the opening of the annular groove, the bottom surface of the upper cover and the inner wall of annular groove are enclosed and are set as Mixed compression ring chamber；It is wherein circumferentially spaced at one in the top edge of the lower section on the either side edge of upper cover and corresponding annular groove side wall It is provided with vertically extending convex block, and then there is corresponding vertical recess at other one and form the pit being embedded in for the convex block, The pit can be connected to mixed compression ring chamber and outside, and form at least one between the convex block and the inner wall of pit there are gap and go out fire Hole.Since the fire output hole in the invention is put together up and down by the convex block of upper cover and the pit of pedestal, thus after encountering discharge Fire output hole is cleared up, only needs simply to be cleaned separately upper cover and pedestal；But the design does not address how effectively pre- anti-overflow The problem of liquid causes fire hole to block, and each fire output hole is still independent aperture in this design, air mixture is from mixed air cavity When flowing out through aperture, flow velocity increases, be easy to cause flame shakiness, even from flame phenomenon, simultaneously as each fire hole is dotted adds Heat, cookware base are heated also not uniform enough.

And application No. is the Chinese invention patent of CN201711329638.X (Publication No.: CN108006638A) " one kind Burner ", then by by it is multiple it is dotted go out fire be changed to it is cyclic annular go out fire be heated not uniform enough, the combustion to solve the problems, such as cookware base Burner includes upper fire cover, lower fire cover and burner, and lower fire cover is equipped with annular and goes out fire open gap, and lower fire cover is arranged on burner, gets angry Lid is arranged on lower fire cover, and annular also is provided between upper fire cover and lower fire cover and goes out fire open gap.Compared to independent fire hole, the patent Fire is gone out using annular gap between burner upper fire cover and lower fire cover, is formed by annular flame with even flame, thus right The uniform feature of the bottom-heated of cooker, but since the ring-shaped outlet aperture is the mixed gas in straight-through fire cover throughout the circumferential Chamber be easy to cause turbulent flow, to keep annular flame circumferentially distributed irregular and fire is caused out to move swiftly shakiness.

In another aspect, will go out fire in order to keep flame combustion more abundant and design integral court clockwise or counterclockwise Eddy flow arrangement is a kind of effective means, such as application No. is the China of CN90219840.8 (notification number CN2081045U) is practical New patent " turbulent burner inside and outside gas stove " provides for such a design, it is made of burner body and outlet lid, out Uniformly be provided on gas lid peripheral wall from bottom to top and partially lateral tilt outer ring outlet tilted slotted hole and inner ring outlet tilted slotted hole, in addition, Chinese utility model patent CN201420113139.2 " revolving flame stomata fire cover in the double-deck row face with reinforcing rib structure ", CN201620759629.9 " a kind of bispin ignition combustor " has similar design, but the fire output hole of these designs is also all respective It is independent molding, and inside and outside fiery two eddy flows arrangement is also all only in a dimension in inside and outside extension direction, is held between each other Easily form interference.

To sum up, split type fire cover and application have the burner of fire cover, can also continue to improve.

Summary of the invention

First technical problem to be solved by this invention is to provide one kind both in cooker discharge for the above-mentioned prior art Split type fire cover that is easy to clean and having spiral-flow type flame after generation.

Second technical problem to be solved by this invention is for the above-mentioned prior art, and providing a kind of can effectively increase out The split type fire cover of fire and cookware base contact area.

Third technical problem to be solved by this invention is for the above-mentioned prior art, and providing one kind just can effectively prevent The split type fire cover of cooker discharge blocking fire hole.

4th technical problem to be solved by this invention is to provide the burner that a kind of application has above-mentioned fire cover.

The present invention solves technical solution used by above-mentioned first technical problem are as follows: a kind of split type fire cover, including it is equal Upper cover and lower cover in a ring, wherein upper cover is shelved on lower cover, and the two at least has gap at neighbouring outer peripheral edge And form cricoid fire open gap out, it is characterised in that: the lower cover is at least opposite with the upper cover at neighbouring outer peripheral edge It is circumferentially spaced on surface to be equipped with multiple convex ribs, relatively independent blast tube is formed between adjacent convex ribs, and convex ribs are at least It is tilted in the peripheral region relative tip line of neighbouring lower cover, the rotation direction that all convex ribs are presented on the whole clockwise or counterclockwise is arranged Column.

Further to solve above-mentioned second technical problem of the invention, the lower cover is provided with multiple pass through on its bottom wall Logical gas port, and the upper cover then offers the inner ring fire hole that at least one circle circumferentially arranges in corresponding position.

To make inner ring fire hole that rotation direction arrangement also be presented on the whole, the gas port on the lower lid is inclined hole, upper lid on pair The inner ring fire hole answered also is inclined hole and identical as the gas port inclined direction of corresponding position, to be conducive to combustion gas swimmingly from leading Stomata enters inner ring fire hole, while the contact area for being formed by inner ring flame and cookware base is also larger；

As an improvement, all inner ring fire holes on the upper lid are rendered as the row of rotation direction clockwise or counterclockwise on the whole Column；

It is swimmingly flowed out for the ease of combustion gas is bottom-up, the inclination of the gas port relative level of the preferably described lower cover Angle [alpha] is 40~60 °；

Facilitate from after the gas port outflow of lower cover into inner ring fire hole, the inner ring fire hole phase of the upper cover for the ease of combustion gas Inclination angle beta to horizontal plane is 40~60 °；

In this way, the inner ring flame come out from corresponding gas port is vertically extending, and from it is cricoid go out the outer ring that comes out of fire open gap Flame unrolled transverse, the contact area for both having expanded flame and cookware base is big, and also ensuring will not phase between Internal and external cycle flame Mutually interference, to improve heating efficiency；

In order to increase flame in radially-arranged hierarchy, the upper cover is also set up between its inner ring fire hole and outer peripheral edge The middle ring fire hole unit for thering are multiple groups circumferentially to arrange.

For the ease of the igniting of middle ring fire hole unit, the upper cover is at least one set of middle ring fire hole unit by radially extending Fire tank be connected.

Middle ring fire hole unit can have a variety of structures, it is preferable that every group of middle ring fire hole unit includes arranging in isosceles triangle Two the first intermediate fire holes and the second intermediate fire hole between two the first intermediate fire holes of column, the second centre fire Hole passes through the steady flame slot radially extended with corresponding inner ring fire hole and is connected.The second intermediate fire hole and inner ring are connected to by steady flame slot Fire hole, when adjusting combustion gas gear, the second intermediate fire hole is not easy to extinguish or weaken；In addition, steady flame slot, which also has, passes fiery slot Effect, such as when on the outside of the periphery wall that ignition electrode is located at lower cover, the combustion gas of inner ring fire hole is ignited through the effect of the steady flame slot.

Further to solve above-mentioned third technical problem of the invention, the outer peripheral edge of every group of middle ring fire hole unit and upper cover Between be additionally provided with the boss for protruding from cap upper surface, each boss is in C font and its recess is towards the center of upper cover, often Two the first intermediate fire holes in group middle ring fire hole unit are located at the end positions of boss recess, and the second intermediate fire hole is located at boss The middle position of recess, and the first intermediate fire hole, the second intermediate fire hole gradually tilt from inside to outside from top to bottom. In this way, discharge will cross the first intermediate fire hole, the second intermediate fire hole above boss due to the presence of boss, similar " water is formed The effect in curtain hole "；In addition the first intermediate fire hole, the second intermediate fire hole are obliquely installed, the gas shock discharge of ejection can also be into One step reinforces the effect of " Water Curtain Cave ", so that discharge be made to be not easily accessed the first intermediate fire hole and the second intermediate fire hole.

In order to reduce influence of the discharge to fire open gap out, the outer peripheral edge of the upper cover has further with respect to the outer peripheral edge of lower cover Extend radially outwardly, cover in the gear eaves of lower cover outer peripheral edge to be formed.

Fit structure between upper cover and lower cover can there are many, it is preferable that the inner peripheral of the upper cover has extended downwardly Ring wall, and on the inner peripheral for being shelved on lower cover in a manner of step cooperation, the inner peripheral ring wall of upper cover forms the first delivery hole, under The peripheral wall of the inner peripheral of lid forms the second delivery hole.

In order to reduce the influence in the internal ring fire hole of discharge, the upper surface of the upper cover is from outer peripheral edge to inner peripheral in by height Extremely low inner concave, and there are the multiple spaced intake chutes radially extended, described in the lower end connection of each intake chute First delivery hole, the two neighboring inner ring fire hole are located at corresponding intake chute two sides.

Lower cover can have a variety of structures, it is preferable that the lower cover has around its bottom wall and upwardly extends annular all Wall, the inner sidewall of ring-type perisporium gradually tilt from inside to outside from bottom to top, and the convex ribs can be set in the annular peripheral wall On inner sidewall.

The present invention solves technical solution used by above-mentioned 4th technical problem are as follows: a kind of application has above-mentioned split type The burner of fire cover, the support base including being used to support split type fire cover, it is characterised in that: neighbouring point is provided on the support base The ignition electrode of the outer peripheral edge of body formula fire cover, the neighbouring one of fiery slot of biography in the upper end of the ignition electrode.

As an improvement, further including the burner with gas chamber, support base is arranged above burner, and burner has connection combustion gas The air inlet and air outlet of chamber, the gas outlet have at least two and are provided at circumferentially spaced close to the top edge of burner, respectively go out Port is connected to the gas port of lower cover, and support base is equipped with the through-hole covered in the outer wall of corresponding gas outlet, branch at its outer peripheral edge It supports seat in a ring and the peripheral wall of inner peripheral forms third delivery hole and is connected to the second delivery hole of lower cover, between burner and support base The 4th delivery hole for being connected to the third delivery hole is formed with spacing.Gas outlet has at least two and close to the top of burner Edge is provided at circumferentially spaced, and each gas outlet is connected to the gas port of lower cover, and such air-flow is distributed to different gas outlets, increases air-flow The residence time in burner, avoid local air flow component and change in flow larger, make air-flow overall composition and flow velocity More uniformly, make homogeneous flame temperature, reduce exhaust gas volumn；Third delivery hole is arranged in support base, has between burner and support base Spacing and form the 4th delivery hole, being provided with for third delivery hole and the 4th intake chute is conducive to discharge exporting burner；In addition Auxiliary air can also successively enter from the 4th delivery hole, third delivery hole, the second delivery hole and the first delivery hole and supplement to Inner ring fire hole is conducive to combustion gas full combustion.

It further include the drip pan being arranged in below burner, the drip pan and the 4th delivery hole liquid communication to lead discharge.

Compared with the prior art, the advantages of the present invention are as follows: after cooker discharge occurs, upper cover and lower cover are cleaned separately, To fire open gap out easy to clean；It is set by the way that lower cover is at least circumferentially spaced on opposite with upper cover surface at outer peripheral edge There are multiple convex ribs, form relatively independent blast tube between adjacent convex ribs, in this way from the outer ring that independent blast tube comes out fire Flame be possible to be linked together between each other and it is whole in a ring；It is convex again because the fire come out from independent blast tube is larger Contacted between the muscle surface opposite with upper cover without go out fire or do not contact fire it is smaller so that formed flame at the top of in independently Flare, be conducive to filling into for auxiliary air, to be conducive to combustion gas full combustion；Convex ribs are oriented to the radially even stream of combustion gas Out, the generation of vortex is effectively reduced, so that even flame is stablized；All convex ribs are presented clockwise or counterclockwise on the whole Rotation direction arrangement, under identical fire cover size, outer ring flame and cookware base contact area increase, and the thermal efficiency is promoted.

Using the burner for having the split type fire cover, the point of the outer peripheral edge of neighbouring split type fire cover is provided on the support base Fiery needle, ignition electrode can be easily installed, and the upper end of the ignition electrode passes fiery slot adjacent to one of, so that cricoid fire open gap out is in It is preferable that fiery effect is passed between the unit of ring fire hole.

Detailed description of the invention

Fig. 1 is the stereoscopic schematic diagram of the split type fire cover of the embodiment of the present invention；

Fig. 2 is the exploded view of Fig. 1；

Fig. 3 is the schematic diagram of another angle of Fig. 2；

Fig. 4 is the side schematic view of upper cover in the split type fire cover of the embodiment of the present invention；

Fig. 5 is the schematic diagram of another angle of upper cover in the split type fire cover of the embodiment of the present invention；

Fig. 6 is sectional view of the Fig. 5 along the direction A-A；

Fig. 7 is sectional view of the Fig. 5 along the direction B-B；

Fig. 8 is sectional view of the split type fire cover along the direction Fig. 6 C-C of the embodiment of the present invention；

Fig. 9 is the longitudinal sectional drawing of Fig. 1；

Figure 10 is the enlarged drawing of local I in Fig. 9；

Figure 11 is the enlarged drawing of local I I in Fig. 9；

Figure 12 is the longitudinal sectional drawing of another angle of Fig. 1；

Figure 13 is the schematic diagram of the burner of the embodiment of the present invention；

Figure 14 is the schematic diagram of another angle of Figure 13；

Figure 15 is the exploded view of Figure 13；

Figure 16 is sectional view of the Figure 13 along the direction D-D；

Figure 17 is sectional view of the Figure 13 along the direction E-E；

Figure 18 is that burner is mounted on the schematic diagram on stove panel；

Figure 19 is the longitudinal sectional drawing of Figure 18.

Specific embodiment

The present invention will be described in further detail below with reference to the embodiments of the drawings.

It is a preferred embodiment of split type fire cover of the invention as shown in Fig. 1~Figure 12.The split type fire cover includes Between upper cover 1 in a ring and lower cover 2, wherein upper cover 1 is shelved on lower cover 2, and the two has at neighbouring outer peripheral edge Gap and formed it is cricoid go out fire open gap 13；

Lower cover 2 has around its bottom wall 2a and the annular peripheral wall 2b that upwardly extends, the inner sidewall of ring-type perisporium 2b from lower and On gradually tilt from inside to outside, convex ribs 23 i.e. be arranged on the inner sidewall of annular peripheral wall 2b；Lower cover 2 at neighbouring outer peripheral edge and Protrude into it is circumferentially spaced on surface opposite with upper cover 1 on the internal perisporium of lower cover 2 be equipped with multiple convex ribs 23, between adjacent convex ribs 23 Relatively independent blast tube is formed, and convex ribs 23 are tilted in the peripheral region relative tip line of neighbouring lower cover 2, make all convex ribs 23 are presented clockwise rotation direction arrangement on the whole, and all convex ribs 23 can also be on the whole in other embodiments certainly Rotation direction arrangement now counterclockwise；Each convex ribs 23 do not contact between the surface opposite with upper cover 1, in other embodiments convex ribs 23 It can also be contacted between the surface opposite with upper cover 1；

Lower cover 2 is provided with the gas port 22 of multiple perforations on its bottom wall 2a, and the gas port 22 on lower cover 2 is inclined hole, lower cover 2 22 relative level of gas port inclination angle alpha be 40~60 °；The peripheral wall of the inner peripheral of lower cover 2 forms the second delivery hole 21；

Upper cover 1 then offers the inner ring fire hole 12 that 1 circle circumferentially arranges in corresponding position；Corresponding inner ring fire hole in upper cover 1 12 be also inclined hole and identical as 22 inclined direction of the gas port of corresponding position；12 relative level of inner ring fire hole of upper cover 1 is inclined Rake angle β is 40~60 °；All inner ring fire holes 12 in upper cover 1 are rendered as rotation direction arrangement counterclockwise on the whole, this is at present All gas ports 22 on lid 2 are also rendered as rotation direction arrangement counterclockwise on the whole and make gas port 22 of the combustion gas from lower cover 2 Facilitate after outflow into inner ring fire hole 12, clockwise rotation direction is presented on the whole and arranges for all convex ribs 23, and the institute with lower cover 2 The rotation direction for having gas port 22 to present on the whole is different, and such combustion gas residence time in lower cover 2 is longer and mixes more evenly；When So all inner ring fire holes 12 in other embodiments in upper cover 1 can also be rendered as clockwise rotation direction arrangement on the whole, All gas ports 22 on lower cover 2 are also rendered as clockwise rotation direction arrangement on the whole and make combustion gas leading from lower cover 2 at this time Stomata 22 facilitates after flowing out into inner ring fire hole 12, and clockwise rotation direction arrangement is also presented on the whole and makes to fire for all convex ribs 23 Gas facilitates after flowing out from the gas port 22 of lower cover 2 into fire open gap 13 out；

Fire hole is blocked to can effectively prevent cooker discharge, the outer peripheral edge of upper cover 1 has further with respect to the outer peripheral edge of lower cover 2 It extends radially outwardly, to form the gear eaves 18 for covering in 2 outer peripheral edge of lower cover, gear eaves 18 has upward protrusion 181；Upper cover 1 Inner peripheral extended downwardly ring wall, and be shelved on the inner peripheral of lower cover 2 in a manner of step cooperation, the inner peripheral of upper cover 1 Ring wall forms the first delivery hole 11；The upper surface of upper cover 1 has to be in inner concave from high to low from outer peripheral edge to inner peripheral There are the multiple spaced intake chutes 16 radially extended, the lower end of each intake chute 16 is connected to the first delivery hole 21, two neighboring Inner ring fire hole 12 is located at corresponding 16 two sides of intake chute；

Upper cover 1 is additionally provided with the middle ring fire hole unit that multiple groups circumferentially arrange between its inner ring fire hole 12 and outer peripheral edge 15；Upper cover 1 passes through the biography fire slot 6 radially extended with wherein one group of middle ring fire hole unit 15 and is connected；

The boss for protruding from 1 upper surface of upper cover is additionally provided between every group of middle ring fire hole unit 15 and the outer peripheral edge of upper cover 1 17, each boss 17 is in C font and its recess is towards the center of upper cover 1, two first in every group of middle ring fire hole unit 15 Intermediate fire hole 151 is located at the end positions of 17 recess of boss, and the second intermediate fire hole 152 is located at the middle position of 17 recess of boss, And the first intermediate fire hole 151, the second intermediate fire hole 152 gradually tilt from inside to outside from top to bottom.

The split type fire cover, working principle and operation instruction are as follows:

When installation, upper cover 1 is shelved on lower cover 2, make the inner ring fire hole 12 of upper cover 1 as far as possible with the gas port 22 of lower cover 2 Relatively；

It lights a fire through ignition electrode, be ignited first from the combustion gas that fire open gap 13 comes out cricoid out and form outer ring flame；It connects Kindling through it is cricoid go out biography slot 6 between fire open gap 13 and middle ring fire hole unit 15 biography fire, in middle ring fire hole unit 15 the The combustion gas that one intermediate fire hole 151 and the second intermediate fire hole 152 come out is ignited, and forms centre circle flame；Then through the second centre fire The effect (at this point, steady flame slot 14 also has the function of passing fire) of steady flame slot 14 between hole 152 and inner ring fire hole 12, from interior ring fire The combustion gas that hole 12 comes out is ignited, and forms inner ring flame；

Because inner ring fire hole 12 is inclined hole, rotation direction arrangement counterclockwise is presented in all inner ring fire holes 12 on the whole, formation Inner ring flame is vortex flame, and vortex flame can make flame combustion more abundant, improves the contact area of flame and the bottom of a pan；

Cricoid fire open gap 13 out forms cricoid outer ring flame, and it is logical that independent combustion gas is formed between two neighboring convex ribs 23 Road, the outer ring flame come out from independent blast tube be possible to be linked together between each other and it is whole in a ring；And because The fire come out from independent blast tube is larger, contact between the surface opposite with upper cover 1 of convex ribs 23 without go out it is fiery or do not contact and Fire is smaller out, so that being in independent flare at the top of the flame formed, is conducive to filling into for auxiliary air, fills to be conducive to combustion gas Divided combustion；Convex ribs 23 are oriented to the radially even outflow of combustion gas, effectively reduce the generation of vortex, so that even flame is stablized； All convex ribs 23 present on the whole rotation direction clockwise or counterclockwise arrangement, under identical fire cover size, outer ring flame with cook a meal Have base contact surface product to increase, the thermal efficiency is promoted；In this way, the inner ring flame come out from corresponding gas port 22 is vertically extending, and from The cricoid outer ring flame unrolled transverse that fire open gap 13 comes out out, the contact area for both having expanded flame and cookware base is big, Ensure that will not interfere with each other between Internal and external cycle flame, to improve heating efficiency；

When discharge occurs, discharge can be dripped from the gear eaves 18 of upper cover 1, reduce discharge to the shadow of cricoid fire open gap 13 out It rings；Discharge can also separately flow into the first delivery hole 11, the second delivery hole 21 through intake chute 16；Furthermore discharge can also flow to boss 17 Upper surface, the discharge for flowing to 17 upper surface of boss are further divided into two parts, a portion because boss 17 upper surface gently towards Upper and slope inwardly and the both ends of the recess from boss 17 flow away, another part discharge will also be crossed in first above boss 17 Between fire hole 151, the second intermediate fire hole 152, form the effect of similar " Water Curtain Cave "；In addition among the first intermediate fire hole 151, second Fire hole 152 is obliquely installed, and the gas shock discharge of ejection can also further strengthen the effect of " Water Curtain Cave ", to make discharge not It is easily accessible the first intermediate fire hole 151 and the second intermediate fire hole 152；

After cooker discharge occurs, upper cover 1 and lower cover 2 are cleaned separately, thus fire open gap 13 out easy to clean.

As shown in Figure 13~Figure 17, the present invention also provides the burners that a kind of application has above-mentioned split type fire cover.Figure 18~ 19 are mounted on the schematic diagram on stove panel for burner of the invention.The burner includes the Sheng set gradually from bottom to top Liquid disk 5, burner 4, support base 3, split type fire cover are provided with ignition electrode 7 on support base 3；

Wherein, burner 4 has gas chamber；Burner 4 has air inlet 41 and the gas outlet 42 of connection gas chamber, gas outlet 42 There are two tools and is provided at circumferentially spaced close to the top edge of burner 4, and each gas outlet 42 is connected to the gas port 22 of lower cover 2；

Support base 3 is arranged above burner 4 and is used to support split type fire cover, and support base 3 is equipped at its outer peripheral edge Cover the through-hole 31 in the outer wall of corresponding gas outlet 42, support base 3 in a ring and the peripheral wall of inner peripheral formed third delivery hole 32 and It is connected to the second delivery hole 11 of lower cover 2；It is formed between burner 4 and support base 3 with spacing and is connected to the third delivery hole 32 4th delivery hole 43；

Ignition electrode 7 is arranged on the support base 3 and the outer peripheral edge of neighbouring split type fire cover, the upper end of the ignition electrode 7 are neighbouring It is one of to pass fiery slot 6；

Drip pan 5 is in planar in order to clean, and is arranged between burner 4 and the panel 10 of kitchen range, the drip pan 5 With 43 liquid communication of the 4th delivery hole.

The burner, working principle and use process is as follows:

Drip pan 5 is installed on the panel 10 of kitchen range, burner 4 is installed on drip pan 5, support base is installed on burner 4 3, so that 31 sets of the through-hole of support base 3 installs split type fire cover outside the outer wall of the gas outlet of burner 4 42 on support base 3；Combustion Gas is discharged after air inlet 41 enters gas chamber through gas outlet 42, and gas outlet 42 is connected to the gas port 22 of lower cover 2；

Ignition electrode 7 is arranged on the outside of the outer peripheral edge of lower cover 2 and is located under the gear eaves 18 of upper cover 1；After ignition electrode 7 is lighted a fire, It is cricoid to go out to pass fire by passing fiery slot 6 between fire open gap 13 and middle ring fire hole unit 15；

The setting of two gas outlets 42 increases the residence time in burner 4 of combustion gas, avoid local Gas Components with And change in flow is larger, keeps combustion gas overall composition and flow velocity more uniform, makes homogeneous flame temperature, reduces exhaust gas volumn；Then Combustion gas enters the concave surface of lower cover 2 by the gas port 22 of lower cover 2, then according to the working principle of above-mentioned split type fire cover, shape At inner ring flame, intermediate flame and outer ring flame；

When discharge occurs for cooker, similarly, discharge can be dripped from the gear eaves 18 of upper cover 1, reduce discharge to cricoid fire out The influence in gap 13；Discharge can also separately flow into the first delivery hole 11, the second delivery hole 21, third delivery hole through intake chute 16 32, after the 4th delivery hole 43, drip pan 5 is flowed to；Furthermore discharge can also flow to 17 upper surface of boss, 17 upper surface of boss is flowed to Discharge is further divided into two parts, and a portion is due to the upper surface of boss 17 is slightly upward and slopes inwardly from the recessed of boss 17 The both ends of mouth flow away, and another part discharge will also cross the first intermediate fire hole 151, the second intermediate fire hole 152 above boss 17, Form the effect of similar " Water Curtain Cave "；In addition the first intermediate fire hole 151, the second intermediate fire hole 152 are obliquely installed, the gas of ejection Stream impact discharge can also further strengthen the effect of " Water Curtain Cave ", so that discharge be made to be not easily accessed the first intermediate 151 He of fire hole Second intermediate fire hole 152；It can effectively prevent cooker discharge blocking fire hole in this way；

In addition, auxiliary air can successively pass through the 4th delivery hole 43, third delivery hole 32, the second delivery hole 21 and first Delivery hole 11 enters and supplements to inner ring fire hole 12, is conducive to combustion gas full combustion.

Claims

1. a kind of split type fire cover, including in a ring upper cover (1) and lower cover (2), wherein upper cover (1) is shelved on lower cover (2) On, and the two at least there is at neighbouring outer peripheral edge gap and formed it is cricoid go out fire open gap (13), it is characterised in that: institute The lower cover (2) stated is equipped with multiple convex ribs with circumferentially spaced on the upper cover (1) opposite surface at least at neighbouring outer peripheral edge (23), relatively independent blast tube is formed between adjacent convex ribs (23), and convex ribs (23) are at least in the week of neighbouring lower cover (2) Relative tip line tilts at edge, and the rotation direction that all convex ribs (23) are presented on the whole clockwise or counterclockwise arranges.

2. split type fire cover according to claim 1, it is characterised in that: the lower cover (2) is opened on its bottom wall (2a) There is a gas port (22) of multiple perforations, and the upper cover (1) then offers at least one circle circumferentially arranges in corresponding position Ring fire hole (12).

3. split type fire cover according to claim 2, it is characterised in that: the gas port (22) on the lower cover (2) is oblique Hole, corresponding inner ring fire hole (12) is also inclined hole and identical as the gas port of corresponding position (22) inclined direction in upper cover (1).

4. split type fire cover according to claim 3, it is characterised in that: all inner ring fire holes on the upper cover (1) (12) it is rendered as rotation direction arrangement clockwise or counterclockwise on the whole.

5. split type fire cover according to claim 3, it is characterised in that: the gas port (22) of the lower cover (2) is with respect to water The inclination angle alpha of plane is 40~60 °.

6. split type fire cover according to claim 3, it is characterised in that: the inner ring fire hole (12) of the upper cover (1) is opposite The inclination angle beta of horizontal plane is 40~60 °.

7. split type fire cover according to claim 2, it is characterised in that: the upper cover (1) its inner ring fire hole (12) with The middle ring fire hole unit (15) that multiple groups circumferentially arrange is additionally provided between outer peripheral edge.

8. split type fire cover according to claim 7, it is characterised in that: the upper cover (1) and at least one set of middle ring fire hole Unit (15) passes through the biography fire slot (6) radially extended and is connected.

9. split type fire cover according to claim 7, it is characterised in that: every group of middle ring fire hole unit (15) includes being in Two the first intermediate fire holes (151) of isosceles triangle arrangement and the second centre fire being located between two the first intermediate fire holes (151) Hole (152), the intermediate fire hole of described second (152) pass through steady flame slot (14) phase radially extended with corresponding inner ring fire hole (12) Connection.

10. split type fire cover according to claim 9, it is characterised in that: every group of middle ring fire hole unit (15) and upper cover (1) Outer peripheral edge between be additionally provided with the boss (17) for protruding from upper cover (1) upper surface, each boss (17) is in C font and its is recessed Mouthful towards upper cover (1) center, two the first intermediate fire holes (151) in every group of middle ring fire hole unit (15) are located at boss (17) The end positions of recess, the second intermediate fire hole (152) are located at the middle position of boss (17) recess, and among described first Fire hole (151), the second intermediate fire hole (152) gradually tilt from inside to outside from top to bottom.

11. split type fire cover described according to claim 1~any one of 10, it is characterised in that: the periphery of the upper cover (1) Edge has with respect to the outer peripheral edge of lower cover (2) further to extend radially outwardly, to form the gear eaves for covering in lower cover (2) outer peripheral edge (18)。

12. split type fire cover described according to claim 1~any one of 10, it is characterised in that: the inner circumferential of the upper cover (1) Edge has extended downwardly ring wall, and is shelved on the inner peripheral of lower cover (2) in a manner of step cooperation, the inner peripheral ring of upper cover (1) Wall forms the first delivery hole (11), and the peripheral wall of the inner peripheral of lower cover (2) forms the second delivery hole (21).

13. split type fire cover according to claim 12, it is characterised in that: the upper surface of the upper cover (1) is from periphery Edge is respectively led to inner peripheral in inner concave from high to low, and with the multiple spaced intake chutes (16) radially extended The lower end connection of liquid bath (16) first delivery hole (11), the two neighboring inner ring fire hole (12) are located at correspondence Intake chute (16) two sides.

14. the split type fire cover according to any one of claim 2~10, it is characterised in that: the lower cover (2) has Around its bottom wall (2a) and the annular peripheral wall (2b) that upwardly extends, the inner sidewall of ring-type perisporium (2b) is from bottom to top gradually by introversion Outer incline, the convex ribs (23) are arranged on the inner sidewall of the annular peripheral wall (2b).

15. a kind of application is just like the burner of split type fire cover described in any one of claim 8~14, including is used to support The support base (3) of split type fire cover, it is characterised in that: the outer peripheral edge of neighbouring split type fire cover is provided on the support base (3) Ignition electrode (7), the neighbouring one of fiery slot (6) of biography in the upper end of the ignition electrode (7).

16. burner according to claim 15, it is characterised in that: further include the burner (4) with gas chamber, support base (3) above burner (4), burner (4) has air inlet (41) and gas outlet (42) of connection gas chamber, the gas outlet for setting (42) top edge at least two and close burner (4) is provided at circumferentially spaced, and each gas outlet (42) is connected to lower cover (2) Gas port (22), support base (3) are equipped with the through-hole (31) covered in the outer wall of corresponding gas outlet (42), support at its outer peripheral edge Seat (3) in a ring and the peripheral wall of inner peripheral formed third delivery hole (32) and be connected to lower cover (2) the second delivery hole (11), burner (4) the 4th delivery hole (43) for being connected to the third delivery hole (32) is formed with spacing between support base (3).

17. burner according to claim 16, it is characterised in that: further include the drip pan being arranged below burner (4) (5), the drip pan (5) and the 4th delivery hole (43) liquid communication.