CN207907241U - A kind of burner fire lid of gas cooker - Google Patents

A kind of burner fire lid of gas cooker Download PDF

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Publication number
CN207907241U
CN207907241U CN201820172147.2U CN201820172147U CN207907241U CN 207907241 U CN207907241 U CN 207907241U CN 201820172147 U CN201820172147 U CN 201820172147U CN 207907241 U CN207907241 U CN 207907241U
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China
Prior art keywords
boss
vent
cover ontology
gas cooker
fire
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Application number
CN201820172147.2U
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Chinese (zh)
Inventor
戎胡斌
邵海忠
吴丽波
王帅东
郑军妹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Fotile Kitchen Ware Co Ltd
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Ningbo Fotile Kitchen Ware Co Ltd
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Priority to CN201820172147.2U priority Critical patent/CN207907241U/en
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Abstract

The utility model is related to a kind of burner fire lids of gas cooker, it include fire cover ontology, it is formed with mixed air cavity between the annular top wall of the fire cover ontology, internal ring wall and external annulus, it is radially inside provided with lateral vent in fire cover ontology, the bottom of lateral vent is provided with the through-hole that connection mixes air cavity, it is characterised in that:Lateral vent outer openings are in external annulus, lateral vent inside opening is in internal ring wall, hole wall extended outward to form boss, the angle that the center line of through-hole projects to plane where at the top of boss is acute angle, the angle α of the center line of through-hole and the center line of lateral vent is acute angle, compared with prior art, the utility model has the advantage of combustion gas, primary air and auxiliary air 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, reduce flow velocity again simultaneously, improve flame stability, play the role of steady flame well to the flame at lateral vent.

Description

A kind of burner fire lid of gas cooker
Technical field
The utility model is related to the burners of gas cooker, more particularly, to a kind of burner fire lid of gas cooker.
Background technology
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.
Invention content
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.
Embodiment 1
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.
Embodiment 2
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.
Embodiment 3
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 Show.

Claims (11)

  1. Include fire cover ontology (1) 1. a kind of burner fire lid of gas cooker, the annular top wall of the fire cover ontology (1) and from The inside edge (110) of the annular top wall, outer ledge it is vertical or extend obliquely downward internal ring wall (11), external annulus (12) it Between be formed with mixed air cavity (13), be radially inside provided with lateral vent (14) in the fire cover ontology (1), the transverse direction is drawn The bottom of fire hole (14) is provided with the through-hole (141) for being connected to the mixed air cavity (13), it is characterised in that:The transverse direction vent (14) Outer openings (142) are in the external annulus (12), and transverse direction vent (14) inside opening (143) is in the internal ring wall (11), and the internal ring wall (11) correspondence lateral vent (14) inside opening (143) peripheral wall towards fire cover ontology (1) radially extended to form boss (2);The center line of the center line of the through-hole (141) and lateral vent (14) Angle α be acute angle, and through-hole (141) is extremely connected to lateral vent (14) from the air inlet that be connected to mixed air cavity (13) Gas outlet is diagonally downward and gradually close to the boss (2).
  2. 2. the burner fire lid of gas cooker according to claim 1, it is characterised in that:Boss (2) inwall of vertical It is formed jagged (21) in the lower part of corresponding lateral vent (14) inside opening (143).
  3. 3. the burner fire lid of gas cooker according to claim 2, it is characterised in that:Notch (21) top edge Partly (22), along radially outward gradually tilting upwards for the fire cover ontology (1).
  4. 4. the burner fire lid of gas cooker according to claim 1, it is characterised in that:The transverse direction vent (14) is certainly Its inside opening (143) gradually tilts upwards to its outer openings (142).
  5. 5. the burner fire lid of gas cooker according to claim 1, it is characterised in that:Boss (2) top down Recess forms the groove (23) for being useful for water conservancy diversion discharge.
  6. 6. the burner fire lid of gas cooker according to claim 5, it is characterised in that:The groove (23) includes and institute State the base portion (111) of internal ring wall (11) peripheral wall integrally connected and from the base portion (111) towards the fire cover ontology (1) radially The freedom portion (112) of extension, the base portion (111) and the junction of the internal ring wall (11) are additionally provided with necking (231).
  7. 7. the burner fire lid of gas cooker according to claim 6, it is characterised in that:The groove (23) is from its freedom Portion (112) to its base portion (111) tilts gradually downward.
  8. 8. the burner fire lid of gas cooker according to claim 6, it is characterised in that:Outside the both sides of the boss (2) The junction of wall and the internal ring wall (11) has leads with the necking (231) mutually a sequence of arc guide barrel (232), the arc Slot (232) includes the first end (2311) close to the necking (231) and the second end far from the necking (231) (2312), the arc guide barrel (232) tilts gradually downward from its first end (2311) to its second end (2312).
  9. 9. the burner fire lid of gas cooker according to claim 8, it is characterised in that:The bottom wall of the boss (2) (24) inside edge (110) of the neighbouring fire cover ontology (1), and the position where the minimum point of boss (2) bottom wall (24) Higher than the position where the second end peak of the arc guide barrel (232).
  10. 10. the burner fire lid of gas cooker according to claim 9, it is characterised in that:The bottom wall of the boss (2) (24) the spacing d between the fire cover ontology (1) inside edge (110) is 0.8mm≤d≤1mm.
  11. 11. according to the burner fire lid of the claim 6~10 any one power gas cooker, it is characterised in that:It is described The angle α of the center line of through-hole (141) and the center line of lateral vent (14) is 30 °≤α≤50 °.
CN201820172147.2U 2018-01-31 2018-01-31 A kind of burner fire lid of gas cooker Active CN207907241U (en)

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Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820172147.2U CN207907241U (en) 2018-01-31 2018-01-31 A kind of burner fire lid of gas cooker

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019149170A1 (en) * 2018-01-31 2019-08-08 宁波方太厨具有限公司 Burner fire cap for gas cooker
CN110617476A (en) * 2019-09-12 2019-12-27 佛山市顺德区美的洗涤电器制造有限公司 Gas distribution plate, burner and household gas equipment
CN110966601A (en) * 2018-09-30 2020-04-07 宁波方太厨具有限公司 Fire cover for gas stove
CN111256121A (en) * 2018-11-30 2020-06-09 宁波方太厨具有限公司 Fire cover for gas stove
CN111256118A (en) * 2018-11-30 2020-06-09 宁波方太厨具有限公司 Fire cover for gas stove
CN112013390A (en) * 2019-05-31 2020-12-01 宁波方太厨具有限公司 Combustor with improve combustion efficiency
CN112013393A (en) * 2019-05-31 2020-12-01 宁波方太厨具有限公司 Fire cover for gas stove
CN112128749A (en) * 2019-06-25 2020-12-25 宁波方太厨具有限公司 Fire cover for combustor and combustor with fire cover
CN112344331A (en) * 2019-08-06 2021-02-09 宁波方太厨具有限公司 Fire cover for gas stove

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019149170A1 (en) * 2018-01-31 2019-08-08 宁波方太厨具有限公司 Burner fire cap for gas cooker
CN110966601B (en) * 2018-09-30 2021-11-26 宁波方太厨具有限公司 Fire cover for gas stove
CN110966601A (en) * 2018-09-30 2020-04-07 宁波方太厨具有限公司 Fire cover for gas stove
CN111256121A (en) * 2018-11-30 2020-06-09 宁波方太厨具有限公司 Fire cover for gas stove
CN111256118A (en) * 2018-11-30 2020-06-09 宁波方太厨具有限公司 Fire cover for gas stove
CN111256118B (en) * 2018-11-30 2022-01-11 宁波方太厨具有限公司 Fire cover for gas stove
CN112013390B (en) * 2019-05-31 2022-03-18 宁波方太厨具有限公司 Combustor with improve combustion efficiency
CN112013393A (en) * 2019-05-31 2020-12-01 宁波方太厨具有限公司 Fire cover for gas stove
CN112013390A (en) * 2019-05-31 2020-12-01 宁波方太厨具有限公司 Combustor with improve combustion efficiency
CN112013393B (en) * 2019-05-31 2022-01-14 宁波方太厨具有限公司 Fire cover for gas stove
CN112128749B (en) * 2019-06-25 2021-12-03 宁波方太厨具有限公司 Fire cover for combustor and combustor with fire cover
CN112128749A (en) * 2019-06-25 2020-12-25 宁波方太厨具有限公司 Fire cover for combustor and combustor with fire cover
CN112344331A (en) * 2019-08-06 2021-02-09 宁波方太厨具有限公司 Fire cover for gas stove
CN110617476A (en) * 2019-09-12 2019-12-27 佛山市顺德区美的洗涤电器制造有限公司 Gas distribution plate, burner and household gas equipment

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