CN107975800B - Center fire cover of burner and burner using same - Google Patents
Center fire cover of burner and burner using same Download PDFInfo
- Publication number
- CN107975800B CN107975800B CN201710328033.2A CN201710328033A CN107975800B CN 107975800 B CN107975800 B CN 107975800B CN 201710328033 A CN201710328033 A CN 201710328033A CN 107975800 B CN107975800 B CN 107975800B
- Authority
- CN
- China
- Prior art keywords
- fire cover
- side wall
- barrel
- net piece
- burner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000006978 adaptation Effects 0.000 claims abstract description 3
- 238000007493 shaping process Methods 0.000 claims abstract description 3
- 238000002485 combustion reaction Methods 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 239000002737 fuel gas Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 229910000881 Cu alloy Inorganic materials 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
- F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
The utility model provides a central fire lid of combustor, includes upper end open-ended barrel (1) and lid and locates net piece (2) on barrel (1) opening, has offered mesh (21) of a plurality of supplies out fires on this net piece (2), its characterized in that net piece (2) edge radial outside extends has two at least tab portion (3), barrel (1) have around the opening and supply aforementioned tab portion (3) to insert setting groove (12), the port of this setting groove (12) is towards barrel (1) axis, the upper side wall shaping of aforementioned setting groove (12) have with notch (13) of aforesaid tab portion (3) appearance adaptation, net piece (2) correspond notch (13) place in setting groove (12) of barrel (1) and rotate so that tab portion (3) deviate from notch (13) and locate on barrel (1) opening net piece (2). The utility model also discloses a burner using the central fire cover. After the lug part is placed in the corresponding notch, the net piece is positioned in the placement groove of the fire cover through rotary fit, so that the net piece is ensured not to fall out, the installation is firm, and the installation is convenient and quick.
Description
Technical Field
The utility model relates to a component applied to a gas burner, in particular to a combustion fire cover, and also relates to a burner with the fire cover.
Background
The current burner fire covers in the market are generally divided into two types, wherein one type of the burner fire covers can achieve stable and sufficient combustion through one or two circles of main flame holes, and the other type of the burner fire covers with net sheets are covered on the burner fire covers to achieve the purposes of stable flame and combustion. The burner fire cover with the mesh is such as an inner ring fire cover structure disclosed in China patent application No. 201310316588.7 (application publication No. CN 103438454A), a burner fire cover structure disclosed in China patent application No. ZL201220709118.8 (grant publication No. CN 202973098U), a burner structure disclosed in China patent application No. ZL201320882291.2 (grant publication No. CN 203671602U), a burner structure disclosed in China patent application No. household gas stove infrared burner, and the like.
In the second fire cover structure, the mesh is covered on the top end of the fire cover in a press riveting manner, the fire cover of the burner is made of copper alloy at present, brass with the copper content of about 53% or cast nonstandard brass with the copper content of 57% is mainly adopted, and the ductility of the copper alloy is limited, so that the wrapping width of the periphery of the top end of the fire cover on the edge of the mesh is limited, and the mesh is easy to drop from the fire cover; in addition, the mesh is also dropped from the fire cover due to the limited coating width of the fire cover to the mesh and the easy corrosion of the copper alloy after long-term use.
As an improvement, the applicant discloses an improved central fire cover with a net sheet, see a chinese patent of patent No. 201620991897.3, "a burner fire cover with net sheet" (grant publication No. CN 205957176U), and also refers to a chinese patent of patent No. ZL201620991986.8, "a burner fire cover with net sheet" (grant publication No. CN 205957177U), etc.
Disclosure of Invention
The technical problem to be solved by the present utility model is to provide a central fire cover of a burner with a firm mesh assembly for the above state of the art.
Another technical problem to be solved by the utility model is to provide a central fire cover of a burner, which is convenient to clean.
Another technical problem to be solved by the utility model is to provide a central fire cover of a burner, wherein a cylinder body and a net sheet can be detached.
Yet another technical problem to be solved by the present utility model is to provide a burner with a firm assembly of the mesh.
Another technical problem to be solved by the utility model is to provide a burner convenient to clean.
Another technical problem to be solved by the utility model is to provide a burner with detachable barrel and net sheet
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a central fire lid of combustor, includes upper end open-ended barrel and covers the net piece of locating on the barrel opening, has offered a plurality of meshes that supply out the fire on this net piece, its characterized in that net piece edge radial outside extends has two at least tab portion, the barrel is around the opening has the setting groove that supplies aforesaid tab portion to insert to establish, and the port of this setting groove is towards the barrel axis, and the upper side wall shaping of aforesaid setting groove has the breach with aforesaid tab portion appearance adaptation, thereby the net piece corresponds the breach and arranges the setting inslot of barrel and rotatory so that tab portion skew breach locates the net piece on the barrel opening.
A gap is formed between the net piece and the upper side wall of the placement groove. Is convenient for rotate and is beneficial to cleaning the inside of the central fire cover.
The outer side edge of the lug part is in a circular arc shape or an elliptical arc shape. The area of the lug part pressed by the top of the central fire cover is larger, so that the lug part cannot be easily separated from the cylinder body.
The lug part is also provided with meshes for discharging fire. Through the rotation, the number of fire holes of the outermost layers can be changed, and then whether the fire holes of the outermost layers of the net sheet burn or not can be controlled, so that the effect of controlling the fire intensity is achieved. In addition, the flame at the outermost layer of the net sheet burns the edge of the fire cover for a long time, so that the corrosion of the edge of the fire cover can be prevented.
The ignition hole is formed in the side wall of the cylinder, the inner side wall of the cylinder is concaved inwards to form a hollowed-out portion, and the ignition hole is formed in the hollowed-out portion. The hollowing treatment ensures that the resistance of the fuel gas of the fire hole is unchanged or even smaller, ensures the fire transmission and ignition performance of the fire hole, and achieves the aim of high-efficiency combustion.
The side wall of the cylinder body is provided with an ignition hole, the outer side wall of the cylinder body is concaved inwards to form a concave part, and the ignition hole is formed in the concave part. The hollowing treatment ensures that the resistance of the fuel gas of the fire hole is unchanged or even smaller, ensures the fire transmission and ignition performance of the fire hole, and achieves the aim of high-efficiency combustion.
Further, an ignition hole is formed in the side wall of the cylinder, the inner side wall of the cylinder is concaved inwards to form a hollowed-out portion, the outer side wall of the cylinder is concaved inwards to form a concave portion, the concave portion and the hollowed-out portion are connected into a whole to form an S shape, and the ignition hole is formed in the concave portion and the hollowed-out portion.
The utility model provides an use combustor that has center fire lid, includes base, center fire lid, outer fire lid, ignition needle and thermocouple, the base have the injection pipe, center fire lid and outer fire lid locate and constitute respectively on the base and fire the room in and fire the room outward, ignition needle and thermocouple vertically set up on the base and lie in between center fire lid and the outer fire lid.
The ignition hole is formed in the side wall of the cylinder body, the outer side wall of the cylinder body is concaved inwards to form a concave portion, the ignition hole is formed in the concave portion, and the ignition needle is arranged close to the concave portion so that the ignition hole surrounds the ignition needle. The concave part reduces the distance between the ignition needle and the ignition hole, is beneficial to the ignition needle to directly discharge the central fire cover, and greatly improves the ignition performance.
Compared with the prior art, the utility model has the advantages that: after the lug part corresponds to the notch and is put into, the net piece is positioned in the placement groove of the fire cover through rotary fit, so that the net piece is ensured not to fall out, the installation is firm, the installation is convenient and quick, and the net piece can fall out when the inside of the central fire cover is cleaned, and only a few lower net pieces are required to be flapped upside down.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1.
Fig. 2 is a cross-sectional view of example 1.
Fig. 3 is an exploded view of example 1.
Fig. 4 is a schematic view of another view of the barrel in fig. 3.
Fig. 5 is a usage state reference diagram of embodiment 1.
Fig. 6 is a schematic structural diagram of embodiment 2.
Fig. 7 is a schematic view of another view of the barrel of fig. 6.
Fig. 8 is a usage state reference diagram of embodiment 2.
Fig. 9 is an enlarged view of the center fire cover and ignition needle combination of fig. 8.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
Embodiment 1, as shown in fig. 1 and 3, the central fire cover in this embodiment includes a cylinder 1 with an opening at the upper end and a mesh 2 covering the opening of the cylinder 1, and a plurality of holes 21 for discharging fire are formed on the mesh 2, characterized in that at least two lugs 3 extend radially outwards from the edge of the mesh 2, the cylinder 1 has a mounting groove 12 for inserting the lugs 3 around the opening, the port of the mounting groove 12 faces the central axis of the cylinder 1, a notch 13 matching the shape of the lugs 3 is formed on the upper side wall of the mounting groove 12, the mesh 2 is placed in the mounting groove 12 of the cylinder 1 corresponding to the notch 13 and rotated to deviate the lugs 3 from the notch 13, so that the mesh 2 is arranged on the opening of the cylinder 1.
As shown in fig. 2 and 4, there is a gap between the mesh sheet 2 and the upper side wall of the placement groove 12. The outer edge of the tab portion 3 is circular arc-shaped. The lug part 3 is also provided with a mesh 21 for discharging fire. The side wall of the cylinder body 1 is provided with an ignition hole 11, the inner side wall of the cylinder body 1 is concaved inwards to form a hollowed-out part 15, and the ignition hole 11 is arranged on the hollowed-out part 15.
As shown in fig. 5, the burner comprises a base 4, a central fire cover 10, an outer fire cover 43, an ignition needle 45 and a thermocouple 44, wherein the base 4 is provided with an injection pipe, the central fire cover 10 and the outer fire cover 43 are arranged on the base 4 to respectively form an inner combustion chamber and an outer combustion chamber, and the ignition needle 45 and the thermocouple 44 are longitudinally arranged on the base 4 and are positioned between the central fire cover 10 and the outer fire cover 43.
After the corresponding notch of the lug part 3 is put in, the mesh 2 is positioned in the placement groove 12 of the fire cover through rotary fit, so that the mesh 2 is ensured not to fall out, meanwhile, in order to improve the fixing reliability, the area of the lug part 3 pressed by the top of the central fire cover is larger, the three lug parts 3 are designed to be different in size, and the corresponding three notches are also different in size, so that the mesh 2 can be taken out only when the three lug parts 3 are rotated to be in one-to-one correspondence with the three notches.
The clearance h of 1mm is left between net piece 2 and the groove, and the rotation of being convenient for does benefit to the inside clearance of center fire lid, will seriously influence the ventilation state of gas after having the hot water juice residue in the center fire lid inside, and then influences the combustion state of gas, and during the clearance, as long as the net piece 2 will fall out down of beating a few of reversing, the user of being convenient for and maintenance technician clearance center fire lid this time.
By rotating, the number of fire holes 21 at the outermost layers can be changed, so that whether the fire holes 21 at the outermost layers of the net sheet 2 burn or not can be controlled, and the effect of controlling the fire intensity is achieved. The blocked fire hole 21 does not burn out and does not burn to the upper wall surface of the fire cover, so that the flame on the outermost layer of the net sheet 2 is prevented from burning the edge of the fire cover for a long time, and the corrosion of the edge of the fire cover can be prevented.
The wall surface of the center fire cover in this embodiment is thickened. One disadvantage caused by the thickening of the wall thickness is that the hole depth of the side wall fire hole 21 is thickened, namely the resistance of the fire hole 21 to the fuel gas is increased, the fire hole 21 on the side wall mainly plays the roles of transmitting fire and igniting, the increase of the resistance of the fire hole 21 to the fuel gas has the effect of transmitting fire and igniting, the hollowed-out part 15 is hollowed out, the resistance of the fuel gas of the fire hole 21 is ensured to be unchanged or even smaller, the fire transmission and igniting performance of the ignition hole 11 is ensured, and the purpose of high-efficiency combustion is realized.
In embodiment 2, as shown in fig. 6 and 7, the side wall of the cylinder 1 in this embodiment is provided with an ignition hole 11, the outer side wall of the cylinder 1 is concave to form a concave portion 16, and the ignition hole 11 is provided on the concave portion 16.
As shown in fig. 8 and 9, the burner comprises a base 4, a central fire cover 10, an outer fire cover 43, an ignition needle 45 and a thermocouple 44, wherein the base 4 is provided with an injection pipe, the central fire cover 10 and the outer fire cover 43 are arranged on the base 4 to respectively form an inner combustion chamber and an outer combustion chamber, and the ignition needle 45 and the thermocouple 44 are longitudinally arranged on the base 4 and are positioned between the central fire cover 10 and the outer fire cover 43. The ignition pin 45 is disposed adjacent to the recess 16 such that the ignition hole 11 is disposed around the ignition pin 45. Other structures refer to embodiment 1.
Hollowed-out part 15 and concave part 16 are hollowed out, so that the resistance of the fuel gas of the fire hole is unchanged or even smaller, the fire transmission and ignition performance of the fire hole are ensured, and the purpose of efficient combustion is realized. Meanwhile, the distance between the ignition needle and the ignition hole 11 is reduced due to the existence of the concave part 16, so that the ignition needle can directly discharge to the central fire cover, and the ignition performance is greatly improved.
Claims (9)
1. The utility model provides a central fire lid of combustor, includes upper end open-ended barrel (1) and lid and locates net piece (2) on barrel (1) opening, has offered mesh (21) of a plurality of supplies out fires on this net piece (2), its characterized in that net piece (2) edge radial outside extends has two at least tab portion (3), barrel (1) have around the opening and supply aforementioned tab portion (3) to insert setting groove (12), the port of this setting groove (12) is towards barrel (1) axis, the upper side wall shaping of aforementioned setting groove (12) have with notch (13) of aforesaid tab portion (3) appearance adaptation, net piece (2) correspond notch (13) place in setting groove (12) of barrel (1) and rotate so that tab portion (3) deviate from notch (13) and locate on barrel (1) opening net piece (2).
2. A burner center fire cover according to claim 1, characterized in that a gap is provided between the mesh (2) and the upper side wall of the placement groove (12).
3. A burner center fire cover according to claim 1, characterized in that the outer edge of the tab portion (3) is circular arc or elliptical arc.
4. A burner center fire cover according to claim 1, characterized in that the tab portion (3) is also provided with a mesh (21) for discharging fire.
5. The burner center fire cover according to claim 1, wherein the side wall of the cylinder (1) is provided with an ignition hole (11), the inner side wall of the cylinder (1) is concaved inwards to form a hollowed-out portion (15), and the ignition hole (11) is provided on the hollowed-out portion (15).
6. The burner center fire cover according to claim 1, wherein the side wall of the cylinder (1) is provided with an ignition hole (11), the outer side wall of the cylinder (1) is concaved inwards to form a concave part (16), and the ignition hole (11) is provided on the concave part (16).
7. The burner center fire cover according to claim 1, wherein the side wall of the cylinder (1) is provided with an ignition hole (11), the inner side wall of the cylinder (1) is concaved inwards to form a hollowed-out portion (15), the outer side wall of the cylinder (1) is concaved inwards to form a concave portion (16), the concave portion (16) and the hollowed-out portion (15) are connected into a whole to form an S shape, and the ignition hole (11) is formed on the concave portion (16) and the hollowed-out portion (15).
8. A burner with a central fire cover according to any one of claims 1-5, comprising a base (4), a central fire cover (10), an outer fire cover (43), an ignition needle (45) and a thermocouple (44), wherein the base (4) is provided with an injection pipe, the central fire cover (10) and the outer fire cover (43) are arranged on the base (4) to respectively form an inner combustion chamber and an outer combustion chamber, and the ignition needle (45) and the thermocouple (44) are longitudinally arranged on the base (4) and are positioned between the central fire cover (10) and the outer fire cover (43).
9. Burner according to claim 8, characterized in that the side wall of the cylinder (1) is provided with an ignition hole (11), the outer side wall of the cylinder (1) is concaved inwards to form a concave part (16), the ignition hole (11) is provided on the concave part (16), and the ignition needle (45) is arranged close to the concave part (16) so that the ignition hole (11) is arranged around the ignition needle (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710328033.2A CN107975800B (en) | 2017-05-11 | 2017-05-11 | Center fire cover of burner and burner using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710328033.2A CN107975800B (en) | 2017-05-11 | 2017-05-11 | Center fire cover of burner and burner using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107975800A CN107975800A (en) | 2018-05-01 |
| CN107975800B true CN107975800B (en) | 2024-01-16 |
Family
ID=62012200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710328033.2A Active CN107975800B (en) | 2017-05-11 | 2017-05-11 | Center fire cover of burner and burner using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107975800B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798524A (en) * | 2018-12-25 | 2019-05-24 | 佛山市顺德区美的洗涤电器制造有限公司 | Fire cover and gas-cooker |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2654705A1 (en) * | 1989-11-22 | 1991-05-24 | Vachette Sa | TANK CAP, IN PARTICULAR FUEL TANK CAP FOR MOTOR VEHICLE. |
| CN103032222A (en) * | 2012-12-07 | 2013-04-10 | 成都威特电喷有限责任公司 | Electrically controlled fuel direct injection device |
| CN106224962A (en) * | 2016-08-30 | 2016-12-14 | 宁波方太厨具有限公司 | A kind of burner fire lid |
| CN205957176U (en) * | 2016-08-30 | 2017-02-15 | 宁波方太厨具有限公司 | Combustor fire lid of area net piece |
| CN205957177U (en) * | 2016-08-30 | 2017-02-15 | 宁波方太厨具有限公司 | Combustor fire lid of area net piece |
| CN206846717U (en) * | 2017-05-11 | 2018-01-05 | 宁波方太厨具有限公司 | The central flame cap of burner and application have the burner of the central flame cap |
-
2017
- 2017-05-11 CN CN201710328033.2A patent/CN107975800B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2654705A1 (en) * | 1989-11-22 | 1991-05-24 | Vachette Sa | TANK CAP, IN PARTICULAR FUEL TANK CAP FOR MOTOR VEHICLE. |
| CN103032222A (en) * | 2012-12-07 | 2013-04-10 | 成都威特电喷有限责任公司 | Electrically controlled fuel direct injection device |
| CN106224962A (en) * | 2016-08-30 | 2016-12-14 | 宁波方太厨具有限公司 | A kind of burner fire lid |
| CN205957176U (en) * | 2016-08-30 | 2017-02-15 | 宁波方太厨具有限公司 | Combustor fire lid of area net piece |
| CN205957177U (en) * | 2016-08-30 | 2017-02-15 | 宁波方太厨具有限公司 | Combustor fire lid of area net piece |
| CN206846717U (en) * | 2017-05-11 | 2018-01-05 | 宁波方太厨具有限公司 | The central flame cap of burner and application have the burner of the central flame cap |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107975800A (en) | 2018-05-01 |
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