A kind of burner fire lid of gas cooker
The utility model is related to the burners of gas cooker, more particularly, to a kind of burner fire lid of gas cooker.
Currently, traditional burner fire lid available on the market is all largely that a slot milling is logical, i.e., on the top of fire cover ontology
Portion's milling is connected with a fire tank, and this burner fire lid be easy to cause fire since fire cover ontology is disconnected at fire tank
Lid body distortion, to influence effect of igniting.Such as a Patent No. 201220464214.0 (notification number CN202813375U)
Chinese utility model patent《With the gas burner for passing fiery device and blowout protection function》It discloses similar biography fire knots
Structure is equipped with multiple outer shroud fire jetting holes in outer ring spray pyrosphere, and is additionally provided with outer shroud in outer shroud flame power and passes fiery device, this is outer
Ring, which passes fiery device, to be passed by the boss being installed on outer shroud flame circle madial wall, the outer shroud being located on the boss and outer shroud flame circle
Fire hole and outer shroud pass fiery slot and constitute, which passes fiery slot with outer shroud and be connected, outer shroud flash hole and outer shroud pass fiery slot and
One outer shroud fire jetting hole is connected, and can realize and quickly pass fire；The biography fire slot of the biography fire structure is open, has and passes fire linearly
The fiery slot of type i.e. biography is exposed on external ring fire cover surface, and so design is exactly the benefit for passing auxiliary air in fiery slot there are one benefit
To very fully, the open supply for passing auxiliary air when fiery slot can ensure to pass fiery slot flame burning is conducive to flame combustion
With pass fire, have the characteristics that pass fire it is quick, but the fiery slot of open biographys but there are two bad place, first, open biography fire slot
The fiery slot of biography is easily caused to block, i.e., the soup flowed down from the bottom of a pan easily flows into the fiery slot of biography, and igniting property is influenced after blocking,
This is also when forward pass fire slot blocks the main reason for repairing；The second, the open fiery slot of biography is very high to the requirement of kitchen range air door, because of wind
After Men Kai great, primary air amount excessively can cause air velocity excessive, from flame or de- fire when to cause burning, therefore open
The design feature that formula passes fiery slot is that steady flame characteristic is poor, therefore to ensure the open igniting property for passing fiery slot, is essentially all
The very little that air door is closed, but air door turns down the efficiency of combustion for being unfavorable for kitchen range, is also unfavorable for the discharge of flue gas, leverages
The performance of kitchen range.For this reason, it may be necessary to which the biography fire slot to burner fire lid is improved further.
The technical problem to be solved by the utility model is to provide it is a kind of can improve fire cover igniting structure intensity and reduce draw
Fiery place is plugged the burner fire lid of the gas cooker of probability.
Technical solution is used by the utility model solves above-mentioned technical problem：The burner fire lid of the gas cooker,
Include fire cover ontology, the annular top wall of the fire cover ontology and from the inside edge of the annular top wall, outer ledge is vertical or inclines
It is formed with mixed air cavity between the internal ring wall that extends obliquely, external annulus, transverse direction is radially inside provided in the fire cover ontology
The bottom of vent, the transverse direction vent is provided with the through-hole for being connected to the mixed air cavity, it is characterised in that：The transverse direction vent
Outer openings are in the external annulus, and the transverse direction vent inside opening is in the internal ring wall, and the internal ring wall is in correspondence
The peripheral wall of the transverse direction vent inside opening has radially extended to form boss towards fire cover ontology；The center of the through-hole
The angle α of the center line of line and lateral vent is acute angle, and through-hole draws from the air inlet being connected to mixed air cavity to lateral
The gas outlet of fire hole connection is diagonally downward and gradually close to the boss.
The anti-clogging performance of vent is improved since lateral vent is hidden in fire cover ontology interior energy, but cross must be solved simultaneously
The insufficient problem of burning brought is reduced to the air capacity of vent, for this purpose, the boss inwall of vertical is corresponding described
The lower part of lateral vent inside opening forms jagged.Auxiliary air is supplemented to lateral vent by notch, to improve cross
Air supply into vent stablizes the burning in transverse direction vent, to improve igniting property.
Discharge enters lateral vent, the portion of the notch top edge by lateral vent inside opening in order to prevent
Point, along radially outward gradually tilting upwards for the fire cover ontology.
Preferably, the lateral vent gradually tilts upwards from its inside opening to its outer openings.The transverse direction is ignited
The design of pore area gradient can strengthen the swabbing action to outside air, improve gas supply speed；On the other hand, lateral vent is oblique
Degree design has directional stream-guidance effect to auxiliary air, it is ensured that auxiliary air is by the way that just ring fire cover goes out fire in face after mixing chamber
Hole reduces the supply resistance of the internal ring flame of auxiliary air, so that secondary air supply is obtained rapider；Simultaneously, moreover it is possible to prevent into
The discharge for entering the laterally place of igniting enters through-hole.
For water conservancy diversion discharge, the boss top down is recessed the groove to be formed and be useful for water conservancy diversion discharge.
Preferably, the groove tilts gradually downward from top to bottom.
In order to guide the discharge flowed down out of groove along fire cover ontology internal ring wall flow out, the groove include with it is described
The base portion of internal ring wall peripheral wall integrally connected and from the base portion towards the freedom portion of the fire cover ontology radially extended, the base
Portion and the junction of the internal ring wall are additionally provided with necking.
Further, the groove tilts gradually downward from its freedom portion to its base portion.
Further, the junction of the both sides outer wall of the boss and the internal ring wall has mutually a sequence of with the necking
Arc guide barrel, the arc guide barrel include the first end close to the necking and the second end far from the necking, the arc
Shape guide groove tilts gradually downward from its first end to its second end.
Bottom wall of the discharge flowed down in order to prevent from arc guide barrel through boss enters the inside opening of lateral vent, described
The bottom wall of boss is adjacent to the inside edge of the fire cover ontology, and the position where the minimum point of boss bottom wall is higher than the arc
Position where the second end peak of shape guide groove.Meanwhile the bottom wall of boss is located at fire cover ontology inside edge interval one
Segment distance can effectively reduce the fiery distance of biography so that pass fire more rapidly.
Preferably, the spacing d between the bottom wall of the boss and fire cover ontology inside edge be 0.8mm≤d≤
1mm.The spacing existing for the two can shorten the biography fire distance of whole lateral vent, meanwhile, two vertical walls of boss concave
Falling into forms jagged, which enters lateral vent for auxiliary air, improves the air supply in lateral vent, stablizes
Burning in lateral vent improves igniting property.
The angle α of the center line of the through-hole and the center line of lateral vent is 30 °≤α≤50 °.Due to laterally igniting
Hole is hidden in fire cover ontology, on the one hand can be opened air door greatly so that the primary air amount for entering through-hole and lateral vent increases
Speed becomes larger when Datong District, so as to which auxiliary air volume inspiration is more entered lateral vent, combustion gas, primary air and auxiliary air
It can directly be hit with the top of boss after being mixed into gaseous mixture, improve the mixing uniformity of combustion gas and air in gaseous mixture, together
When reduce flow velocity again, improve flame stability.If the angle is excessive, it be easy to cause the area mistake that gaseous mixture is hit with boss
Small, if the angle too small, the path be easy to causeing into the primary air amount of through-hole and lateral vent is long, is unfavorable for rolling up
Inhale auxiliary air.
Compared with prior art, the utility model has the advantage of lateral vents, and to be hidden in, fire cover is intrinsic to be hidden
Formula passes fiery slot structure, in this way can open air door greatly so that the primary air amount for entering through-hole and lateral vent increases same speed per hour
Degree becomes larger, so as to which auxiliary air volume inspiration is more entered lateral vent, meanwhile, internal ring wall is on the inside of corresponding lateral vent
The peripheral wall of opening has radially extended to form boss, and the center of the center line of through-hole and lateral vent towards fire cover ontology
The angle α of line is acute angle so that combustion gas, primary air and auxiliary air be mixed into after gaseous mixture can directly with the top of boss
Portion is hit, and is improved the mixing uniformity of combustion gas and air in gaseous mixture, while reducing flow velocity again, is improved flame stability,
Play the role of steady flame well to the flame at lateral vent, both can guarantee the internal Means of Secondary Air Supplement for passing fiery slot, that is, protected
Card passes the flame combustion in fiery slot, and can effectively prevent the blocking of soup, while enhancing the applicability of throttle opening, i.e., in wind
It is also ensured that igniting property under conditions of door aperture is larger.
Description of the drawings
Fig. 1 is the structural schematic diagram of one angle of burner fire lid in the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of burner fire lid another angle in the utility model embodiment 1；
Fig. 3 is the sectional view of Fig. 1；
Fig. 4 is the enlarged diagram at A in Fig. 1；
Fig. 5 is the structural schematic diagram of the burner fire lid in the utility model embodiment 2；
Fig. 6 is the structural schematic diagram of the burner fire lid in the utility model embodiment 3.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing embodiment.
As shown in figures 1-4, it is the most preferred embodiment of the utility model.The burner fire lid of gas cooker in the present embodiment
Include fire cover ontology 1, the annular top wall of the fire cover ontology 1 and vertical from the inside edge of the annular top wall 110, outer ledge
Or extend obliquely downward internal ring wall 11, be formed with mixed air cavity 13 between external annulus 12, in radially inside opening for fire cover ontology 1
There are lateral vent 14, the bottom of lateral vent 14 to be provided with the through-hole 141 that connection mixes air cavity 13,14 outside of lateral vent is opened
Mouth 142 is in external annulus 12, and 14 inside opening 143 of lateral vent is in internal ring wall 11, and internal ring wall 11 is laterally ignited corresponding
The peripheral wall of 14 inside opening 143 of hole has radially extended to form boss 2 towards fire cover ontology 1, and through-hole 141 from mixed gas
The air inlet that chamber 13 is connected to the gas outlet being connected to lateral vent 14 is diagonally downward and gradually close to boss 2.And emphasis
The angle α of the center line and the center line of lateral vent 14 that are through-hole 141 is acute angle, and α is 30 °≤α≤50 °.Due to convex
The top of platform 2 is closing so that lateral vent 14 is hidden in completely in fire cover ontology 1, on the one hand can be opened air door greatly so that
Primary air amount into through-hole 141 and lateral vent 14 increases while speed becomes larger, so as to more roll up auxiliary air
Inspiration enters lateral vent 14, and the top that combustion gas, primary air and auxiliary air are mixed into can be directly with boss 2 after gaseous mixture is hit
It hits, improves the mixing uniformity of combustion gas and air in gaseous mixture, while reducing flow velocity again, improve flame stability.If should
Angle is excessive, then it is too small to be easy to cause the area that gaseous mixture and boss 2 are hit, if the angle too small, be easy to cause into logical
The path of the primary air amount of hole 141 and lateral vent 14 is long, is unfavorable for volume and inhales auxiliary air.Sharp angle α in the present embodiment
Angle be preferably 40 °.
The anti-clogging performance of vent is improved since lateral vent 14 is hidden in 1 interior energy of fire cover ontology, but must be solved simultaneously
Certainly the air capacity of transverse direction vent 14 reduces the insufficient problem of the burning brought, for this purpose, 2 inwall of vertical of boss is corresponding lateral
The lower part of 14 inside opening 143 of vent forms jagged 21.The notch 21 enters lateral vent 14 for auxiliary air, simultaneously
The part 22 of 21 top edge of notch can prevent discharge by laterally igniting along radially outward gradually tilting upwards for fire cover ontology 1
14 inside opening of hole enters lateral vent 14, and supplements auxiliary air to lateral vent 14 by notch 21, to improve cross
Air supply into vent 14 stablizes the burning in transverse direction vent 14, to improve igniting property.Preferably, laterally draw
Fire hole 14 gradually tilts upwards from its inside opening 143 to its outer openings 142.The band gradient of the transverse direction vent 14 designs energy
Strengthen the swabbing action to outside air, improves gas supply speed；On the other hand, the band gradient of lateral vent 14 is designed to two
Secondary air has directional stream-guidance effect, it is ensured that auxiliary air by after mixing chamber just in face ring fire cover fire output hole, reduce
The supply resistance of the internal ring flame of auxiliary air, makes secondary air supply obtain rapider；Simultaneously, moreover it is possible to prevent from entering and laterally ignite
The discharge at place enters through-hole 141.
In addition, since lateral vent 14 is hidden in the anti-clogging performance that 1 interior energy of fire cover ontology improves vent, it is also necessary to
Discharge is avoided to enter lateral vent 14 as possible, the groove to be formed and be useful for water conservancy diversion discharge for this purpose, 2 top down of boss is recessed
23, meanwhile, it is flowed out along the internal ring wall 11 of fire cover ontology 1 to guide the discharge flowed down out of groove 23, which includes
With the base portion 111 of 11 peripheral wall integrally connected of internal ring wall and from the base portion 111 towards the freedom portion of fire cover ontology 1 radially extended
112, groove 23 tilts gradually downward from its freedom portion 112 to its base portion 111, and the junction of base portion 111 and internal ring wall 11 is also
It is provided with necking 231, and the both sides outer wall of boss 2 and the junction of internal ring wall 11 also have and 231 mutually a sequence of arc of necking
Guide groove 232, the arc guide barrel 232 include close to the first end 2311 of necking 231 and the second end 2312 far from necking 231,
In order to preferably guide discharge, arc guide barrel 232 tilts gradually downward from its first end 2311 to its second end 2312.
In addition, combustion gas, primary air and auxiliary air are mixed into after gaseous mixture after capable of directly being hit with the top of boss 2,
It need to could be flowed out from the inside opening of lateral vent 14 after the part 22 of top edge is turned, to effectively reduce gaseous mixture
Air velocity when body is flowed out from lateral vent 14 makes gas at lateral vent 14 be not easy in burning from flame, into
And igniting for burner is made more to stablize.Meanwhile bottom wall 24 of the discharge through boss 2 flowed down in order to prevent from arc guide barrel 232
Into the inside opening of lateral vent 14, the position where the minimum point of 2 bottom wall 24 of boss is higher than the second of arc guide barrel 232
The position where peak is held, and the bottom wall 24 of boss 2 adjacent to the inside edge of fire cover ontology 1 110 and has d at regular intervals and is
0.8mm≤d≤1mm, in the present embodiment, d 0.9mm, spacing existing for the two can shorten the biography of whole lateral vent 14
Fiery distance, meanwhile, 2 inwall of vertical of boss forms jagged 21 in the lower part of 14 inside opening 143 of corresponding lateral vent, should
Notch 21 enters lateral vent 14 for auxiliary air, improves the air supply in lateral vent 14, stablizes and laterally ignites
Burning in hole 14 improves igniting property.
For this purpose, the burner fire lid structure of this gas cooker, is optimized concealed lateral 14 structure of vent and sets
Meter improves on the basis of igniting property and lateral vent 14 can be effectively prevent to block.
It is essentially identical with the structure of embodiment 1, difference lies in：Laterally draw corresponding in the inwall of vertical of lateral vent 14
The lower part of 14 inside opening 143 of fire hole does not have notch 21, as shown in Figure 5.
It is essentially identical with the structure of embodiment 1, difference lies in：It is provided through and corresponds in the lower section of lateral vent 14
The bar-shaped trough 20 of the transverse direction vent 14, the bar-shaped trough 20 can further decrease outlet speed, improve steady flame ability, such as Fig. 6 institutes