WO2012137505A1 - コンロ用バーナ - Google Patents

コンロ用バーナ Download PDF

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Publication number
WO2012137505A1
WO2012137505A1 PCT/JP2012/002380 JP2012002380W WO2012137505A1 WO 2012137505 A1 WO2012137505 A1 WO 2012137505A1 JP 2012002380 W JP2012002380 W JP 2012002380W WO 2012137505 A1 WO2012137505 A1 WO 2012137505A1
Authority
WO
WIPO (PCT)
Prior art keywords
burner
throat
section
support cylinder
cylindrical
Prior art date
Application number
PCT/JP2012/002380
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
佐藤　裕康
Original Assignee
リンナイ株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by リンナイ株式会社 filed Critical リンナイ株式会社
Priority to SG2013068440A priority Critical patent/SG193415A1/en
Publication of WO2012137505A1 publication Critical patent/WO2012137505A1/ja

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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
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • F23D14/06—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with radial outlets at the burner head
    • 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

Definitions

  • the present invention relates to a burner for a stove provided with a burner body supported on a burner holder fixed to the stove body.
  • a cylindrical throat portion is suspended at the center of the lower surface of the burner body, and a pedestal portion fixed to the stove body and a support cylinder portion provided above the pedestal portion are provided.
  • the throat part is inserted into the support cylinder part of the burner holder provided from above, so that the lower surface of the burner body is seated on the upper end of the support cylinder part, and further, fuel gas is jetted onto the pedestal part toward the lower end opening of the throat part.
  • a gas nozzle that supplies a gas mixture of primary air and combustion gas sucked from a lower end opening of a throat portion into a burner body (see, for example, Patent Document 1).
  • the insertion clearance of the outer peripheral surface of the throat portion to the inner peripheral surface of the support cylinder portion (the minimum necessary to enable insertion of the throat portion) It is necessary to ensure that the length from the upper end to the lower end of the fitting portion of the throat portion with respect to the support cylinder portion is as long as possible.
  • the simmered juice reaches the support cylinder part, and the throat part is supported by the squeezed juice entering the gap between the outer peripheral surface of the throat part and the inner peripheral surface of the support cylinder part. May stick to the tube.
  • the length of the fitting part of the throat part with respect to a support cylinder part is lengthened, the adhering force by boiling juice will become strong and a burner body may become impossible to remove.
  • the present invention provides a burner for a stove that can weaken the fixing force of the throat portion due to boiled juice to the support cylinder portion without impairing the stability of the burner body and can be easily processed. Is the issue.
  • the present invention relates to a stove burner including a burner body supported on a burner holder fixed to a stove body, the burner body including a cylindrical throat section suspended from a central portion of a lower surface thereof.
  • a pedestal portion fixed to the main body and a support cylinder portion provided above the pedestal portion are inserted.
  • the throat portion is inserted into the support cylinder portion from above, and the lower surface of the burner body is seated on the upper end of the support cylinder portion.
  • a gas nozzle that jets fuel gas toward the lower end opening of the throat portion is provided on the pedestal portion, so that a mixture of primary air and fuel gas sucked from the lower end opening of the throat portion is supplied into the burner body.
  • the present invention is configured as follows.
  • the present invention is located on the outer peripheral surface of the throat portion in a cylindrical upper fitting male portion and a portion spaced downward from the upper fitting male portion, and has a cylindrical shape having a smaller diameter than the upper fitting male portion.
  • a lower fitting male part a tapered diameter part that is located between the upper and lower fitting male parts and is reduced in diameter toward the lower side or a cylindrical reduced diameter part smaller than the upper fitting male part,
  • An upper fitting female part that is cylindrical and fits on the inner peripheral surface of the support cylinder part with a gap corresponding to the insertion clearance, and a part that is spaced downward from the upper fitting female part
  • a lower fitting female part that is a cylindrical shape having a smaller diameter than the upper fitting female part and the lower fitting male part is fitted with a gap corresponding to the insertion clearance, and an upper and lower fitting female.
  • a tapered guide portion that is located between the portions and has a diameter that decreases downward is formed.
  • the vertical length of the upper fitting female portion is a In a state where the lower surface of the I is seated, the lower end of the upper fitting female portion the lower end of the upper Hamagoyu portion, characterized in that it is set so as to be positioned downward.
  • the height of the burner body varies depending on the machining tolerance of the lower surface of the burner body and the upper end of the support cylinder part. Even so, the gap amount between each fitting male part and each fitting female part does not change, and the minimum insertion clearance necessary for the insertion of the throat part is maintained. Therefore, the burner body is stably supported without wobbling on the burner holder.
  • the throat portion is fixed to the support cylinder portion by the simmered juice. Does not occur in the reduced diameter portion. Therefore, it is possible to prevent the burner body from becoming unremovable due to weakened sticking force due to the boiled juice. In addition, it is not necessary to form a concave surface portion that is recessed radially outward in order to weaken the fixing force at the intermediate portion in the vertical direction of the inner peripheral surface of the support cylinder portion, and the processing becomes easy.
  • the throat part when inserting the throat part into the support cylinder part, the throat part is guided by the tapered guide part so as to be concentric with the support cylinder part, and the lower fitting male part and the upper fitting male part are smoothly fitted into the lower part. It fits into the mating female part and the upper mating female part. Therefore, the burner body can be easily attached.
  • a groove portion extending in the vertical direction is formed in at least one of the lower fitting female portion and the lower fitting male portion. According to this, boiled sap can be discharged below the support cylinder part through the groove part, and the function of preventing the throat part from sticking to the support cylinder part due to the boiled sap improves.
  • FIG. 2 is a cut side view taken along line II-II in FIG. 1.
  • reference numeral 1 denotes a burner holder fixed to a stove body (not shown), and the burner holder 1 according to the embodiment of the present invention is supported by the burner holder 1.
  • the burner holder 1 includes a pedestal portion 11 that is fixed to the stove body, and a support cylinder portion 12 that is provided above the pedestal portion 11. More specifically, a support column 13 is erected on one end of the pedestal 11, and a flange portion 14 is provided to protrude from the upper end of the support column 13 so as to face the pedestal portion 11. A support cylinder portion 12 is formed. In addition, an electrode mounting portion 15 is provided to project from the middle of the column portion 13 in the direction opposite to the flange portion 14.
  • a gas nozzle 2 located on the central axis of the support cylinder 12 is attached to the upper surface of the pedestal 11.
  • the fuel gas is supplied to the gas nozzle 2 through the gas passage 16 formed in the pedestal portion 11.
  • the ignition electrode 3 is fixed to the electrode mounting portion 15 by a mounting bracket 17 that is fastened to the bolt 17a.
  • the stove burner A includes a burner body 4 supported on the burner holder 1 and a burner cap 5 placed on the burner body 4.
  • the burner body 4 protrudes so as to surround the upper end opening of the throat portion 42 on the upper surface of the base portion 41 and the cylindrical throat portion 42 suspended from the center portion of the lower surface of the base portion 41.
  • An annular raised portion 43 is provided, and an annular wall 44 is provided on the outer peripheral portion of the upper surface of the base portion 41. Then, the throat portion 42 is inserted into the support cylinder portion 12 of the burner holder 1 from above, and the lower surface of the burner body 4, that is, the lower surface of the base portion 41 is seated on the upper end of the support cylinder portion 12.
  • a notch 12 a is formed at one place in the circumferential direction of the upper end portion of the support cylinder portion 12, and a protrusion 42 a is formed at one place around the upper end portion of the throat portion 42. Then, the burner body 4 is phased by engaging the protrusion 42a with the notch 12a.
  • the annular wall 44 is formed with a plurality of large and small flame ports 45 each formed of a groove recessed downward from the upper end thereof.
  • a recessed portion 44 a that is recessed radially inward is formed at one circumferential direction of the annular wall 44 that is positioned in the same direction as the ignition electrode 3.
  • a target 46 is provided so as to be located at the upper end of the central portion in the circumferential direction and opposed above the ignition electrode 3, and is located on both sides of the target 46.
  • a pair of ignition flame ports 47 directed to the ignition electrode 3 are formed.
  • the burner cap 5 is formed in a disc shape, and a back plate 51 facing the upper end surface of the raised portion 43 with a predetermined gap is attached to the center of the lower surface.
  • a plurality of centering pieces 52 are provided vertically with a circumferential interval therebetween.
  • the burner cap 5 is centered with respect to the burner body 4 by bringing the lower ends of the centering pieces 52 into contact with the outer peripheral surface of the raised portion 43, and the lower peripheral portion of the burner cap 5 is the annular wall of the burner body 4. 44 is in contact with the upper end surface of 44.
  • the back plate 51 is fixed to the burner cap 5 in a state where the upward protruding portion 53 formed on the back plate 51 is fitted in the recessed hole formed on the lower surface of the burner cap 5. Is welded to the burner cap 5.
  • the gas nozzle 2 described above is located directly below the throat portion 42 to be inserted into the support cylinder portion 12.
  • the gas flow flowing out from the upper end opening of the throat portion 42 hits the lower surface of the back plate 51 and expands in the radial direction, producing a so-called radial venturi effect.
  • primary air is sucked from the lower end opening of the throat portion 42.
  • an air-fuel mixture of fuel gas and primary air is supplied into the burner body 4 via the throat portion 42.
  • the air-fuel mixture supplied into the burner body 4 is ejected from the flame port 45 formed in the annular wall 44 and burned, and the object to be heated placed on the virtues on the stove top plate (not shown) is heated.
  • a cylindrical upper fitting male portion 421 and a cylinder having a diameter smaller than that of the upper fitting male portion 421 are located at a portion spaced downward from the upper fitting male portion 421.
  • a lower fitting male portion 422 having a tapered shape and a tapered diameter-reducing portion 423 which is located between the upper and lower fitting male portions 421 and 422 and has a diameter reduced downward are formed.
  • an upper fitting female portion 121 that is cylindrical and is fitted with the upper fitting male portion 421 with a gap corresponding to the insertion clearance
  • an upper fitting female portion A lower fitting female part which is located in a part away from 121 and is smaller in diameter than the upper fitting female part 121 and in which the lower fitting male part 422 is fitted with a gap corresponding to the insertion clearance.
  • 122 and a tapered guide portion 123 that is positioned between the upper and lower fitting female portions 121 and 122 and has a diameter reduced downward.
  • the vertical length of the upper fitting female part 121 is such that the lower end of the upper fitting female part 121 is lower than the lower end of the upper fitting male part 421 when the lower surface of the burner body 4 is seated on the upper end of the support cylinder part 12. It is set to be positioned below.
  • the insertion clearance means the minimum clearance necessary for inserting the throat portion 42 into the support cylinder portion 12, and is specifically about 0.05 mm.
  • a taper shape that expands upward toward the inner peripheral surface portion of the support cylinder portion 12 extending upward from the upper end of the upper fitting female portion 121.
  • the upper guide portion 124 is formed, and a tapered lower guide portion 424 having a diameter reduced downward is formed on the outer peripheral surface of the throat portion 42 extending downward from the lower end of the lower fitting male portion 422. Yes.
  • the height of the burner body 4 is the lower surface of the burner body 4 and the support. Even if the upper end of the cylindrical portion 12 changes due to processing tolerances, the gap between the fitting male portions 421 and 422 and the fitting female portions 121 and 122 is the minimum necessary for insertion of the throat portion 42. Maintained in clearance. Therefore, the burner body 4 is stably supported without wobbling on the support cylinder portion 12.
  • the throat portion with respect to the support cylinder portion 12 is formed by fitting the outer peripheral surface of the throat portion 42 over the entire length in the vertical direction excluding the upper guide portion 124 on the inner peripheral surface of the support cylinder portion 12 with a gap corresponding to the insertion clearance.
  • this causes the following problems. That is, when a large amount of boiled spilled liquid is produced, the boiled sap is transferred along the lower surface of the burner body 4, and the boiled liquid is spilled by a capillary phenomenon or the like from a fine gap formed between the upper end of the support cylinder portion 12 and the lower surface of the burner body 4.
  • the lower fitting male part 422 and the fitting female part 122 are made smaller in diameter than the upper fitting male part 421 and the fitting female part 121, and the upper fitting male part 421 and the lower fitting part are fitted.
  • the diameter-reduced portion 423 is formed between the upper male portion 422 and the lower end of the upper fitting female portion 121 is positioned below the lower end of the upper fitting male portion 421.
  • a wide gap is secured between the guide portion 123 and the reduced diameter portion 423. Therefore, the throat portion 42 is not firmly fixed to the support tube portion 12 by the boiled juice at the reduced diameter portion 423. Therefore, it is possible to prevent the burner body 4 from becoming unremovable due to weakened sticking force due to the boiled juice. Furthermore, it is not necessary to form a concave surface portion in the middle portion in the vertical direction of the inner peripheral surface of the support cylinder portion 12, so that the processing becomes easy and an increase in cost can be avoided.
  • the throat portion 42 when the throat portion 42 is inserted into the support cylinder portion 12, the throat portion 42 is guided by the tapered guide portion 123 so as to be concentric with the support cylinder portion 12, and the lower fitting male portion 422 and the upper fitting male portion 422 are guided.
  • the portion 421 smoothly fits into the lower fitting female portion 122 and the upper fitting female portion 121. Therefore, the mounting work of the burner body 4 is facilitated.
  • the basic structure of the stove burner of the second embodiment is the same as that of the first embodiment, and the same members and parts as those of the first embodiment are denoted by the same reference numerals.
  • the difference of the second embodiment from the first embodiment is that groove portions 125 extending in the vertical direction are formed at a plurality of locations (for example, three locations) in the circumferential direction of the lower fitting female portion 122.
  • the boiled juice that has entered the support cylinder part 12 can be discharged to the lower side of the support cylinder part 12 through the groove part 125. Therefore, it is possible to prevent the boiled spilled juice from staying and sticking in the support cylinder part 12, and the function of preventing the throat part 42 from sticking to the squeezed squeezed juice is improved.
  • the diameter of the groove surface on the radially outer side of the groove portion 125 is the same as that of the upper fitting female portion 121, and the guide portion 123 and the lower fitting from the lower end of the upper fitting female portion 121.
  • the groove portion 125 is formed over the entire length of the mating female portion 122 in the vertical direction.
  • the groove surface 125 has a diameter smaller than that of the upper fitting female portion 121 and the groove portion 125 extends downward from the lower portion of the guide portion 123. It is also possible to form.
  • the tapered diameter-reducing portion 423 is formed between the upper and lower fitting male portions 421 and 422 on the outer peripheral surface of the throat portion 42.
  • a cylindrical reduced diameter portion having a smaller diameter than the upper fitting male portion 421 may be formed between the male portions 421 and 422.
  • the diameter of the reduced diameter portion may be the same as or smaller than that of the lower fitting male portion 422.
  • emission extended in the up-down direction is formed in the lower fitting female part 122
  • the groove part for simmering the squeeze juice is formed in the lower fitting male part 422. It is also possible to form a groove portion for discharging the simmered juice in both the lower fitting female portion 122 and the lower fitting male portion 422.
  • a ... burner for stove 1 ... burner holder, 11 ... pedestal part, 12 ... support cylinder part, 121 ... upper fitting female part, 122 ... lower fitting female part, 123 ... guide part, 125 ... groove part, 2 ... gas nozzle, 4 ... burner body, 42 ... throat part, 421 ... upper fitting male part, 422 ... lower fitting male part, 423 ... reduced diameter part.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)
PCT/JP2012/002380 2011-04-08 2012-04-05 コンロ用バーナ WO2012137505A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SG2013068440A SG193415A1 (en) 2011-04-08 2012-04-05 Burner for stove

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-086357 2011-04-08
JP2011086357A JP5373842B2 (ja) 2011-04-08 2011-04-08 コンロ用バーナ

Publications (1)

Publication Number Publication Date
WO2012137505A1 true WO2012137505A1 (ja) 2012-10-11

Family

ID=46968914

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/002380 WO2012137505A1 (ja) 2011-04-08 2012-04-05 コンロ用バーナ

Country Status (7)

Country Link
JP (1) JP5373842B2 (ko)
KR (1) KR101278102B1 (ko)
CN (1) CN102734845B (ko)
MY (1) MY155989A (ko)
SG (1) SG193415A1 (ko)
TW (1) TWI452236B (ko)
WO (1) WO2012137505A1 (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10690351B2 (en) * 2009-02-10 2020-06-23 Bsh Home Appliances Corporation Home cooking appliance having a pedestal burner
JP6842957B2 (ja) * 2017-03-14 2021-03-17 リンナイ株式会社 コンロバーナ
JP7338860B2 (ja) * 2019-08-27 2023-09-05 株式会社パロマ コンロバーナの製造方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51124641U (ko) * 1975-04-04 1976-10-08
JPS5992327U (ja) * 1982-12-10 1984-06-22 松下電器産業株式会社 ガスバ−ナ
JPS63259322A (ja) * 1987-04-13 1988-10-26 Rinnai Corp コンロバーナ
JP2007120848A (ja) * 2005-10-27 2007-05-17 Rinnai Corp ガス燃焼器
JP2011052947A (ja) * 2009-09-04 2011-03-17 Rinnai Corp コンロ用バーナ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3684189A (en) * 1971-05-12 1972-08-15 Zink Co John Pressurized fuel burner
JPS60202220A (ja) * 1984-03-26 1985-10-12 Matsushita Electric Ind Co Ltd バ−ナ装置
US6537065B1 (en) * 2002-04-04 2003-03-25 Viking Range Corporation Sealed gas burner
CN100520186C (zh) * 2003-07-11 2009-07-29 柴文龙 燃气灶
US20060024632A1 (en) * 2004-07-29 2006-02-02 Sanchez Jairo E Gas burner head with extra simmer, burner base assembly and combination thereof
JP5106263B2 (ja) * 2008-06-19 2012-12-26 リンナイ株式会社 ガスコンロ
JP5179442B2 (ja) 2009-06-18 2013-04-10 リンナイ株式会社 センサ付きコンロ用バーナ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51124641U (ko) * 1975-04-04 1976-10-08
JPS5992327U (ja) * 1982-12-10 1984-06-22 松下電器産業株式会社 ガスバ−ナ
JPS63259322A (ja) * 1987-04-13 1988-10-26 Rinnai Corp コンロバーナ
JP2007120848A (ja) * 2005-10-27 2007-05-17 Rinnai Corp ガス燃焼器
JP2011052947A (ja) * 2009-09-04 2011-03-17 Rinnai Corp コンロ用バーナ

Also Published As

Publication number Publication date
CN102734845B (zh) 2014-11-05
SG193415A1 (en) 2013-10-30
JP5373842B2 (ja) 2013-12-18
CN102734845A (zh) 2012-10-17
JP2012220106A (ja) 2012-11-12
TW201248087A (en) 2012-12-01
TWI452236B (zh) 2014-09-11
KR101278102B1 (ko) 2013-06-24
MY155989A (en) 2015-12-31

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