JP5090499B2 - Stove burner - Google Patents

Stove burner Download PDF

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JP5090499B2
JP5090499B2 JP2010111741A JP2010111741A JP5090499B2 JP 5090499 B2 JP5090499 B2 JP 5090499B2 JP 2010111741 A JP2010111741 A JP 2010111741A JP 2010111741 A JP2010111741 A JP 2010111741A JP 5090499 B2 JP5090499 B2 JP 5090499B2
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peripheral wall
burner head
burner
outer peripheral
head portion
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JP2011241995A (en
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裕康 佐藤
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Rinnai Corp
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Rinnai Corp
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Priority to JP2010111741A priority Critical patent/JP5090499B2/en
Priority to TW100113679A priority patent/TWI447330B/en
Priority to CN201110126485.5A priority patent/CN102242932B/en
Publication of JP2011241995A publication Critical patent/JP2011241995A/en
Priority to HK12103443.3A priority patent/HK1163229A1/en
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Description

本発明は、上向きに開口する環状のバーナヘッド部を有するバーナ本体と、バーナヘッド部上に設けられ、バーナヘッド部内に供給された混合気を噴出する炎孔をバーナヘッド部との間に画成する環状のバーナキャップとを備えるコンロ用バーナに関する。   The present invention provides a burner body having an annular burner head portion that opens upward, and a flame hole that is provided on the burner head portion and ejects an air-fuel mixture supplied into the burner head portion. The present invention relates to a stove burner including an annular burner cap.

従来、この種のコンロ用バーナにおいては、バーナキャップをバーナヘッド部上に着脱自在に載置している。この場合、一旦取り外したバーナキャップを正規位相からずれた誤セット状態でバーナヘッド部上に載置することを防止することが必要になる。その理由は例えば以下の通りである。即ち、コンロの天板に載置する五徳の爪（五徳爪）に対応する炎孔を小炎孔とする場合、小炎孔が五徳爪と同方位になるようにバーナキャップを正規位相でセットすることが必要になる。   Conventionally, in this type of stove burner, the burner cap is detachably mounted on the burner head portion. In this case, it is necessary to prevent the burner cap once removed from being placed on the burner head part in an erroneously set state shifted from the normal phase. The reason is as follows, for example. In other words, when the flame hole corresponding to the five virtue claws (5 virtue claws) placed on the top plate of the stove is a small flame hole, the burner cap is set in the normal phase so that the small flame hole is in the same direction as the five virtue claws. It becomes necessary to do.

そこで、従来、バーナキャップの内周に、バーナヘッド部の内周壁の内周に嵌合する内筒部を垂設し、内筒部の下端の周方向一部に下方にのびる位相決め片を延設すると共に、バーナヘッド部の内周壁の下部内周面に、位相決め片を挿入可能な周方向の隙間を残して、径方向内方に突出する突部を形成したコンロ用バーナが知られている（例えば、特許文献１参照）。このものでは、バーナキャップを正規位相からずれた誤セット状態でバーナヘッド部上に載置すると、位相決め片が突部に当接して、バーナキャップがバーナヘッド部から浮き上がり、使用者が誤セット状態であると気付く。   Therefore, conventionally, an inner cylinder portion that is fitted to the inner circumference of the inner circumferential wall of the burner head portion is vertically provided on the inner circumference of the burner cap, and a phase determining piece that extends downward to a part in the circumferential direction at the lower end of the inner cylinder portion is provided. A stove burner that is extended and formed with a projecting portion protruding radially inward on the inner peripheral surface of the lower peripheral surface of the inner peripheral wall of the burner head leaving a circumferential clearance into which a phase determining piece can be inserted is known. (For example, refer to Patent Document 1). In this case, if the burner cap is placed on the burner head in the wrong setting state deviating from the normal phase, the phase determining piece will come into contact with the protrusion, the burner cap will be lifted from the burner head, and the user will set it incorrectly. I realize that it is in a state.

然し、使用者によっては、バーナキャップがバーナヘッド部から浮き上がっていても、誤セット状態と気付かずに点火してしまうことがある。この場合、バーナヘッド部とバーナキャップとの間に正常に炎孔が画成されないため、逆火等の燃焼不良を生じてしまう。   However, depending on the user, even if the burner cap is lifted from the burner head portion, it may be ignited without noticing the erroneous setting state. In this case, since a flame hole is not normally defined between the burner head part and the burner cap, combustion failure such as flashback occurs.

特開２００３−２１４６０６号公報JP 2003-214606 A

本発明は、以上の点に鑑み、誤セット状態での逆火等の燃焼不良を防止できるようにしたコンロ用バーナを提供することをその課題としている。   In view of the above, an object of the present invention is to provide a stove burner that can prevent a combustion failure such as backfire in an erroneous set state.

上記課題を解決するために、本発明は、上向きに開口する環状のバーナヘッド部を有するバーナ本体と、バーナヘッド部上に設けられ、バーナヘッド部内に供給された混合気を噴出する炎孔をバーナヘッド部との間に画成する環状のバーナキャップとを備えるコンロ用バーナにおいて、バーナヘッド部は、外周壁及び内周壁を有する下バーナヘッド部と、下バーナヘッド部の外周壁及び内周壁に夫々上方から嵌合する外周壁及び内周壁を有する上バーナヘッド部とに２分割され、上バーナヘッド部に固定手段でバーナキャップが固定されるか又は上バーナヘッド部にバーナキャップが一体に形成され、下バーナヘッド部の外周壁又は内周壁の上バーナヘッド部の外周壁又は内周壁が嵌合しない周面の周方向の一部に径方向に窪む凹部が形成されると共に、上バーナヘッド部に、凹部に上方から差し込まれる位相決め片が垂設され、上バーナヘッド部の外周壁及び内周壁の上下方向長さは、位相決め片が凹部から外れて下バーナヘッド部の外周壁又は内周壁の上端に当接する誤セット状態において、下バーナヘッド部の外周壁と内周壁とに上バーナヘッド部の外周壁と内周壁との下端部が夫々嵌合するように設定されることを特徴とする。   In order to solve the above-described problems, the present invention provides a burner body having an annular burner head portion that opens upward, and a flame hole that is provided on the burner head portion and ejects an air-fuel mixture supplied into the burner head portion. In a stove burner including an annular burner cap defined between the burner head portion, the burner head portion includes a lower burner head portion having an outer peripheral wall and an inner peripheral wall, and an outer peripheral wall and an inner peripheral wall of the lower burner head portion. The upper burner head part having an outer peripheral wall and an inner peripheral wall fitted from above is divided into two parts, and the burner cap is fixed to the upper burner head part by fixing means, or the burner cap is integrated with the upper burner head part. Formed in the outer circumferential wall of the lower burner head section or the inner circumferential wall is formed with a concave portion that is recessed in the radial direction on a part of the circumferential surface of the peripheral surface where the outer circumferential wall or inner circumferential wall of the upper burner head section does not fit. At the same time, the upper burner head portion is provided with a phasing piece inserted from above into the recess, and the vertical length of the outer peripheral wall and inner peripheral wall of the upper burner head portion is determined by the lower burner when the phasing piece is removed from the recess. The lower end of the outer wall and the inner wall of the upper burner head are fitted to the outer wall and the inner wall of the lower burner head part, respectively, in the erroneous setting state in contact with the upper end of the outer wall or inner wall of the head part. It is characterized by being set to.

本発明によれば、誤セット状態においても、下バーナヘッド部の外周壁と内周壁とに上バーナヘッド部の外周壁と内周壁との下端部が夫々嵌合するため、下バーナヘッド部と上バーナヘッド部との間からのガス漏れは生じない。また、バーナキャップが上バーナヘッド部に固定又は一体に形成されるため、誤セット状態であるか否かに拘わらず、上バーナヘッド部とバーナキャップとの間に炎孔が正常に画成される。従って、誤セット状態においても、混合気は炎孔から正常に噴出して燃焼し、逆火等の燃焼不良は生じない。   According to the present invention, since the lower end portions of the outer peripheral wall and the inner peripheral wall of the upper burner head portion are respectively fitted to the outer peripheral wall and the inner peripheral wall of the lower burner head portion even in the erroneous setting state, No gas leaks from the upper burner head. In addition, since the burner cap is fixed to or integrally formed with the upper burner head portion, a flame hole is normally defined between the upper burner head portion and the burner cap regardless of whether it is in the wrong setting state. The Therefore, even in the erroneous setting state, the air-fuel mixture is normally ejected from the flame holes and burned, and no combustion failure such as flashback occurs.

尚、誤セット状態から上バーナヘッド部を回動させれば、位相決め片が凹部に合致したところで、位相決め片が凹部に差し込まれると共に、下バーナヘッド部の外周壁と内周壁とに上バーナヘッド部の外周壁と内周壁とが完全に嵌合し、正規位相で上バーナヘッド部が下バーナヘッド部にセットされる。   If the upper burner head part is rotated from the wrong set state, the phase determining piece is inserted into the concave part when the phase determining piece is aligned with the concave part, and the upper burner head part is inserted into the outer peripheral wall and inner peripheral wall of the lower burner head part. The outer peripheral wall and the inner peripheral wall of the burner head part are completely fitted, and the upper burner head part is set to the lower burner head part in the normal phase.

また、バーナキャップの上方への投影空間内に張り出す五徳爪を有する五徳を天板上に載置したコンロに上記本発明のコンロ用バーナを設ける場合、誤セット状態におけるバーナキャップの高さは、五徳爪がバーナキャップに当接して五徳が天板から浮き上がるように設定されることが望ましい。これによれば、上バーナヘッド部の誤セット状態では、五徳を天板上に載置することができず、使用者に誤セット状態であることを気付かせることができる。   In addition, when the burner for a stove according to the present invention is provided on a stove having a virtuosity claw projecting in the projection space above the burner cap on the top plate, the height of the burner cap in an erroneously set state is It is desirable that the five virtue claws come into contact with the burner cap and the five virtues are lifted from the top plate. According to this, in the erroneously set state of the upper burner head portion, the virtues cannot be placed on the top board, and the user can be aware that the erroneously set state.

本発明の実施形態のコンロ用バーナを具備するコンロの要部断面図。The principal part sectional drawing of the stove which comprises the burner for stove of embodiment of this invention. 実施形態のコンロ用バーナの分解状態の斜視図。The perspective view of the decomposition | disassembly state of the stove burner of embodiment. 上バーナヘッド部の斜め下方から見た斜視図。The perspective view seen from the slanting lower part of the upper burner head part. 誤セット状態におけるコンロの要部断面図。The principal part sectional drawing of the stove in an incorrect setting state.

図１を参照して、１はコンロ本体、２はコンロ本体１の上面を覆う天板を示している。天板２上には五徳３が載置されており、五徳３で囲われる部分に本発明の実施形態のコンロ用バーナ４が設けられている。尚、五徳３は、天板２上に着座する環状の五徳枠３ａに周方向の間隔を存して複数（例えば、４個）の五徳爪３ｂを取り付けて成るものである。   Referring to FIG. 1, reference numeral 1 denotes a stove body, and 2 denotes a top plate that covers the upper surface of the stove body 1. The virtue 3 is placed on the top plate 2, and the stove burner 4 according to the embodiment of the present invention is provided in a portion surrounded by the virtue 3. The five virtues 3 are formed by attaching a plurality of (for example, four) five virtue claws 3b to an annular five virtue frame 3a seated on the top board 2 with a circumferential interval.

コンロ用バーナ４は、上向きに開口する環状のバーナヘッド部６を有するバーナ本体５と、バーナヘッド部６上に設けられるバーナキャップ７とを備えている。更に、バーナヘッド部６は、下バーナヘッド部６１と上バーナヘッド部６２とに２分割されている。   The stove burner 4 includes a burner body 5 having an annular burner head portion 6 that opens upward, and a burner cap 7 provided on the burner head portion 6. Further, the burner head section 6 is divided into two parts, a lower burner head section 61 and an upper burner head section 62.

バーナ本体５は、コンロ本体１内に設けた支持ブロック８で支持される下板部５１と、下板部５１より小径の上板部５２とを有している。そして、下板部５１の外周に、下バーナヘッド部６１の外周壁６１１を立設すると共に、上板部５２の外周に、下バーナヘッド部６１の内周壁６１２を立設している。   The burner body 5 has a lower plate portion 51 supported by a support block 8 provided in the stove main body 1 and an upper plate portion 52 having a smaller diameter than the lower plate portion 51. An outer peripheral wall 611 of the lower burner head portion 61 is erected on the outer periphery of the lower plate portion 51, and an inner peripheral wall 612 of the lower burner head portion 61 is erected on the outer periphery of the upper plate portion 52.

また、下板部５１の中央部には、下方にのびるスロート部５３が垂設されており、支持ブロック８に、スロート部５３の下端開口に対向するガスノズル８１を設けると共に、ガスノズル８１に燃料ガスを供給するガス通路８２を形成している。上板部５２には、下板部５１と上板部５２間の中央部の空間を下バーナヘッド部６１内の空間に連通するダクト部５４が周方向の間隔を存して複数形成されている（図２参照）。そして、スロート部５３にガスノズル８１から噴射される燃料ガスとスロート部５３に吸引される一次空気との混合気が下板部５１と上板部５２間の中央部の空間からダクト部５４を介して下バーナヘッド部６１内に供給されるようにしている。   In addition, a throat portion 53 extending downward is suspended from the central portion of the lower plate portion 51. A gas nozzle 81 facing the lower end opening of the throat portion 53 is provided on the support block 8, and fuel gas is supplied to the gas nozzle 81. Is formed. The upper plate portion 52 is formed with a plurality of duct portions 54 that communicate the space in the central portion between the lower plate portion 51 and the upper plate portion 52 with the space in the lower burner head portion 61 with an interval in the circumferential direction. (See FIG. 2). An air-fuel mixture of the fuel gas injected from the gas nozzle 81 into the throat portion 53 and the primary air sucked into the throat portion 53 passes through the duct portion 54 from the central space between the lower plate portion 51 and the upper plate portion 52. So as to be supplied into the lower burner head portion 61.

尚、上板部５２の中央部上面には子バーナヘッド部５５が立設されており、子バーナヘッド部５５上に円板状の子バーナキャップ５６を載置している。そして、下板部５１と上板部５２間の中央部の空間から上板部５２に形成した透孔５７を介して混合気を子バーナヘッド部５５内に供給し、子バーナヘッド部５５と子バーナキャップ５６との間に画成される子バーナ炎孔５８から混合気を噴出させて燃焼させるようにしている。   A child burner head portion 55 is erected on the upper surface of the central portion of the upper plate portion 52, and a disk-like child burner cap 56 is placed on the child burner head portion 55. Then, air-fuel mixture is supplied from the central space between the lower plate portion 51 and the upper plate portion 52 through the through holes 57 formed in the upper plate portion 52 into the child burner head portion 55, The air-fuel mixture is ejected from a child burner flame hole 58 defined between the child burner cap 56 and burned.

前記上バーナヘッド部６２は、下バーナヘッド部６１の外周壁６１１の内外一方の周面（図示例では外周面）に嵌合する外周壁６２１と、下バーナヘッド部６１の内周壁６１２の内外一方の周面（図示例では外周面）に嵌合する内周壁６２２とを有している。外周壁６２１の上部には、径方向内方に屈曲して下バーナヘッド部６１の外周壁６１１の上端に着座する着座部６２１ａと、着座部６２１ａから上方にのびる立上り部６２１ｂとが形成されており、立上り部６２１ｂの上端に、周方向の間隔を存して多数の溝を形成している。そして、上バーナヘッド部６２上に設けるバーナキャップ７でこれら溝を上方から覆うことにより、上バーナヘッド部６２とバーナキャップ７との間にこれら溝から成る多数の炎孔６３が画成されるようにしている。   The upper burner head portion 62 includes an outer peripheral wall 621 fitted to one of the inner and outer peripheral surfaces (the outer peripheral surface in the illustrated example) of the outer peripheral wall 611 of the lower burner head portion 61, and the inner and outer surfaces of the inner peripheral wall 612 of the lower burner head portion 61. And an inner peripheral wall 622 fitted to one peripheral surface (the outer peripheral surface in the illustrated example). On the upper part of the outer peripheral wall 621, there are formed a seating part 621a that is bent inward in the radial direction and sits on the upper end of the outer peripheral wall 611 of the lower burner head part 61, and a rising part 621b that extends upward from the seating part 621a. In addition, a large number of grooves are formed at the upper end of the rising portion 621b with intervals in the circumferential direction. Then, by covering these grooves from above with a burner cap 7 provided on the upper burner head part 62, a large number of flame holes 63 comprising these grooves are defined between the upper burner head part 62 and the burner cap 7. I am doing so.

また、バーナキャップ７は固定手段で上バーナヘッド部６２に固定されている。即ち、図２、図３に示す如く、上バーナヘッド部６２の周方向複数個所（例えば、４箇所）に外周壁６２１と内周壁６２２とを連結するブリッジ部６２４を設けて、これらブリッジ部６２４の２つに上下方向に貫通する孔６２５を形成すると共に、バーナキャップ７の下面の２箇所にねじ孔７２を有するコ字状の固定片７３を取付け、固定手段たる固定ねじ７１を孔６２５を通してねじ孔７２に締め込むことにより、バーナキャップ７を上バーナヘッド部６２に固定している。これにより、上バーナヘッド部６２とバーナキャップ７との間に常に正常な状態で炎孔６３が画成される。尚、バーナキャップ７が固定されていても、上バーナヘッド部６２を下バーナヘッド部６１から取り外して丸洗いすることにより、炎孔６３の目詰まりは解消できる。   The burner cap 7 is fixed to the upper burner head portion 62 by a fixing means. That is, as shown in FIGS. 2 and 3, bridge portions 624 that connect the outer peripheral wall 621 and the inner peripheral wall 622 are provided at a plurality of locations (for example, four locations) in the circumferential direction of the upper burner head portion 62. Are formed with holes 625 penetrating in the vertical direction, and U-shaped fixing pieces 73 having screw holes 72 are attached to two positions on the lower surface of the burner cap 7, and fixing screws 71 as fixing means are passed through the holes 625. The burner cap 7 is fixed to the upper burner head portion 62 by tightening into the screw hole 72. Thereby, the flame hole 63 is always defined between the upper burner head part 62 and the burner cap 7 in a normal state. Even if the burner cap 7 is fixed, the clogging of the flame hole 63 can be eliminated by removing the upper burner head portion 62 from the lower burner head portion 61 and washing it.

ところで、炎孔６３は、通常炎孔６３ａとそれより小さな小炎孔６３ｂとから成り、五徳爪３ｂに対応する周方向部分では、炎が五徳爪３ｂに触れないように小炎孔６３ｂのみが連続して形成され、それ以外の周方向部分では、通常炎孔６３ａと小炎孔６３ｂとが交互に形成されている。この場合、上バーナヘッド部６２を、小炎孔６３ｂの連続部分が五徳爪３ｂと同一方位に位置する正規位相で下バーナヘッド部６１にセットする必要がある。   By the way, the flame hole 63 is composed of a normal flame hole 63a and a small flame hole 63b smaller than the normal flame hole 63a. In the circumferential direction portion corresponding to the five virtue claws 3b, only the small flame hole 63b is provided so that the flame does not touch the virtue claws 3b. It is formed continuously, and normal flame holes 63a and small flame holes 63b are alternately formed in the other circumferential portions. In this case, it is necessary to set the upper burner head portion 62 on the lower burner head portion 61 in a normal phase where the continuous portion of the small flame holes 63b is located in the same orientation as the five virtue claws 3b.

そこで、本実施形態では、下バーナヘッド部６１の内周面（外周壁６１１の上バーナヘッド部６２の外周壁６２１が嵌合しない周面）に、図２に示す如く、径方向に窪む凹部６１３を周方向４箇所に形成すると共に、上バーナヘッド部６２に、図３に示す如く、凹部６１３に上方から差し込まれる位相決め片６２３を周方向４箇所に垂設している。そして、上バーナヘッド部６２が上記正規位相になったときにのみ、図１に示す如く、各位相決め片６２３が各凹部６１３に上方から差し込まれて、下バーナヘッド部６１に上バーナヘッド部６２が正常に嵌合するようにしている。   Therefore, in this embodiment, the inner circumferential surface of the lower burner head portion 61 (the circumferential surface where the outer circumferential wall 621 of the upper burner head portion 62 of the outer circumferential wall 611 is not fitted) is recessed in the radial direction as shown in FIG. Concave portions 613 are formed at four locations in the circumferential direction, and phase determining pieces 623 that are inserted into the concave portions 613 from above are vertically suspended at four locations in the circumferential direction, as shown in FIG. Then, only when the upper burner head part 62 is in the normal phase, as shown in FIG. 1, the phase determining pieces 623 are inserted into the concave parts 613 from above, and the upper burner head part 61 is inserted into the lower burner head part 61. 62 is normally fitted.

また、本実施形態では、位相決め片６２３が凹部６１３から外れて下バーナヘッド部６１の外周壁６１１の上端に当接する誤セット状態において、図４に示す如く、下バーナヘッド部６１の外周壁６１１と内周壁６１２とに上バーナヘッド部６２の外周壁６２１と内周壁６２２との下端部が夫々嵌合するように、これら外周壁６２１及び内周壁６２２の上下方向長さを設定している。   Further, in the present embodiment, the outer peripheral wall of the lower burner head portion 61 as shown in FIG. 4 in the erroneous setting state where the phasing piece 623 comes off from the recess 613 and contacts the upper end of the outer peripheral wall 611 of the lower burner head portion 61. The vertical lengths of the outer peripheral wall 621 and the inner peripheral wall 622 are set so that the lower end portions of the outer peripheral wall 621 and the inner peripheral wall 622 of the upper burner head portion 62 are fitted to the inner peripheral wall 612 and the inner peripheral wall 612, respectively. .

これによれば、誤セット状態においても、下バーナヘッド部６１と上バーナヘッド部６２との間からのガス漏れは生じない。また、バーナキャップ７が上バーナヘッド部６２に固定されるため、誤セット状態であるか否かに拘わらず、上バーナヘッド部６２とバーナキャップ７との間に炎孔６３が正常に画成される。従って、誤セット状態においても、混合気は炎孔６３から正常に噴出して燃焼し、逆火等の燃焼不良は生じない。   According to this, gas leakage from between the lower burner head portion 61 and the upper burner head portion 62 does not occur even in the erroneous setting state. Further, since the burner cap 7 is fixed to the upper burner head portion 62, the flame hole 63 is normally defined between the upper burner head portion 62 and the burner cap 7 regardless of whether or not it is in the wrong setting state. Is done. Therefore, even in the erroneous setting state, the air-fuel mixture is normally ejected from the flame hole 63 and burned, and no combustion failure such as flashback occurs.

また、本実施形態において、各五徳爪３ｂは、バーナキャップ７の上方への投影空間内に張り出している。そして、上バーナヘッド部６２の誤セット状態におけるバーナキャップ７の高さは、五徳爪３ｂがバーナキャップ７に当接して五徳３が天板２から浮き上がるように設定されている。これによれば、上バーナヘッド部６２の誤セット状態では、五徳３を天板２上に載置することができず、使用者に誤セット状態であることを気付かせることができる。   Further, in the present embodiment, each of the five virtue claws 3 b protrudes into the projection space above the burner cap 7. The height of the burner cap 7 when the upper burner head portion 62 is set incorrectly is set such that the five virtue claws 3b abut against the burner cap 7 and the five virtues 3 are lifted from the top plate 2. According to this, when the upper burner head part 62 is in the erroneous setting state, the virtues 3 cannot be placed on the top plate 2, and the user can be aware that the upper burner head portion 62 is in the erroneous setting state.

以上、本発明の実施形態について図面を参照して説明したが、本発明はこれに限定されない。例えば、上記実施形態では、上バーナヘッド部６２の外周壁６２１を下バーナヘッド部６１の外周壁６１１の外周面に嵌合させ、下バーナヘッド部６１の外周壁６１１の内周面に凹部６１３を形成しているが、上バーナヘッド部６２の外周壁６２１を下バーナヘッド部６１の外周壁６１１の内周面に嵌合させて、下バーナヘッド部６１の外周壁６１１の外周面に凹部を形成することも可能である。また、凹部は、下バーナヘッド部６１の内周壁６１２の上バーナヘッド部６２の内周壁６２２が嵌合しない周面に形成してもよい。   As mentioned above, although embodiment of this invention was described with reference to drawings, this invention is not limited to this. For example, in the above embodiment, the outer peripheral wall 621 of the upper burner head portion 62 is fitted to the outer peripheral surface of the outer peripheral wall 611 of the lower burner head portion 61, and the concave portion 613 is formed on the inner peripheral surface of the outer peripheral wall 611 of the lower burner head portion 61. The outer peripheral wall 621 of the upper burner head portion 62 is fitted to the inner peripheral surface of the outer peripheral wall 611 of the lower burner head portion 61, and the concave portion is formed on the outer peripheral surface of the outer peripheral wall 611 of the lower burner head portion 61. It is also possible to form Further, the recess may be formed on the peripheral surface to which the inner peripheral wall 622 of the upper burner head portion 62 of the lower burner head portion 61 does not fit.

また、上記実施形態では、上バーナヘッド部６２の上端に炎孔６３となる溝を形成しているが、バーナキャップ７側に炎孔溝を形成することも可能である。また、上記実施形態では、バーナキャップ７が上バーナヘッド部６２に固定ねじ７１で固定されているが、溶接等の固定ねじ以外の固定手段でバーナキャップ７を上バーナヘッド部６２に固定することも可能であり、更には、バーナキャップ７を上バーナヘッド部６２に一体に形成することも可能である。また、上記実施形態のコンロ用バーナは子バーナヘッド部５５と子バーナキャップ５６とを備えているが、これらは省略してもよい。   Further, in the above-described embodiment, the groove that becomes the flame hole 63 is formed at the upper end of the upper burner head portion 62, but it is also possible to form the flame hole groove on the burner cap 7 side. In the above embodiment, the burner cap 7 is fixed to the upper burner head portion 62 with the fixing screw 71. However, the burner cap 7 is fixed to the upper burner head portion 62 by fixing means other than the fixing screw such as welding. In addition, the burner cap 7 can be formed integrally with the upper burner head portion 62. Moreover, although the stove burner of the said embodiment is equipped with the sub burner head part 55 and the sub burner cap 56, these may be abbreviate | omitted.

１…コンロ本体、２…天板、３…五徳、３ｂ…五徳爪、４…コンロ用バーナ、５…バーナ本体、６…バーナヘッド部、６１…下バーナヘッド部、６１１…下バーナヘッド部の外周壁、６１２…下バーナヘッド部の内周壁、６１３…凹部、６２…上バーナヘッド部、６２１…上バーナヘッド部の外周壁、６２２…上バーナヘッド部の内周壁、６２３…位相決め片、７…バーナキャップ、７１…固定ねじ（固定手段）。   DESCRIPTION OF SYMBOLS 1 ... Stove body, 2 ... Top plate, 3 ... Gotoku, 3b ... Gotoku nail, 4 ... Stove burner, 5 ... Burner body, 6 ... Burner head part, 61 ... Lower burner head part, 611 ... Lower burner head part Outer peripheral wall, 612 ... Inner peripheral wall of lower burner head part, 613 ... Recessed part, 62 ... Upper burner head part, 621 ... Outer peripheral wall of upper burner head part, 622 ... Inner peripheral wall of upper burner head part, 623 ... Phase determining piece, 7 ... burner cap, 71 ... fixing screw (fixing means).

Claims (2)

上向きに開口する環状のバーナヘッド部を有するバーナ本体と、バーナヘッド部上に設けられ、バーナヘッド部内に供給された混合気を噴出する炎孔をバーナヘッド部との間に画成する環状のバーナキャップとを備えるコンロ用バーナにおいて、
バーナヘッド部は、外周壁及び内周壁を有する下バーナヘッド部と、下バーナヘッド部の外周壁及び内周壁に夫々上方から嵌合する外周壁及び内周壁を有する上バーナヘッド部とに２分割され、
上バーナヘッド部に固定手段でバーナキャップが固定されるか又は上バーナヘッド部にバーナキャップが一体に形成され、
下バーナヘッド部の外周壁又は内周壁の上バーナヘッド部の外周壁又は内周壁が嵌合しない周面の周方向の一部に径方向に窪む凹部が形成されると共に、上バーナヘッド部に、凹部に上方から差し込まれる位相決め片が垂設され、
上バーナヘッド部の外周壁及び内周壁の上下方向長さは、位相決め片が凹部から外れて下バーナヘッド部の外周壁又は内周壁の上端に当接する誤セット状態において、下バーナヘッド部の外周壁と内周壁とに上バーナヘッド部の外周壁と内周壁との下端部が夫々嵌合するように設定されることを特徴とするコンロ用バーナ。 A burner body having an annular burner head portion that opens upward, and an annular shape that is provided on the burner head portion and defines a flame hole for ejecting an air-fuel mixture supplied into the burner head portion, between the burner head portion and the burner head portion. In a stove burner equipped with a burner cap,
The burner head part is divided into two parts: a lower burner head part having an outer peripheral wall and an inner peripheral wall, and an upper burner head part having an outer peripheral wall and an inner peripheral wall that are fitted to the outer peripheral wall and inner peripheral wall of the lower burner head part from above. And
A burner cap is fixed to the upper burner head by fixing means, or a burner cap is integrally formed on the upper burner head,
The upper burner head part is formed with a radially recessed recess in a part of the circumferential surface of the peripheral surface where the outer peripheral wall or inner peripheral wall of the upper burner head part is not fitted to the outer peripheral wall or inner peripheral wall of the lower burner head part. In addition, a phase determining piece inserted from above into the recess is vertically suspended,
The vertical lengths of the outer peripheral wall and inner peripheral wall of the upper burner head part are determined by the lower burner head part in the erroneous setting state where the phasing piece comes out of the recess and contacts the outer peripheral wall of the lower burner head part or the upper end of the inner peripheral wall. A stove burner characterized in that the outer peripheral wall and the inner peripheral wall are set so that the lower end portions of the outer peripheral wall and the inner peripheral wall of the upper burner head portion are fitted to each other. 請求項１記載のコンロ用バーナであって、前記バーナキャップの上方への投影空間内に張り出す五徳爪を有する五徳を天板上に載置したコンロに設けられるものにおいて、
前記誤セット状態における前記バーナキャップの高さは、五徳爪がバーナキャップに当接して五徳が天板から浮き上がるように設定されることを特徴とするコンロ用バーナ。 The stove burner according to claim 1, wherein the burner is provided on a stove on which a virtuosity having virtues claw projecting into a projection space above the burner cap is placed on a top plate.
The height of the burner cap in the erroneous setting state is set so that the five virtue claws abut against the burner cap and the five virtues are lifted from the top plate.
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