JP5250484B2 - Ventilator replacement unit, ventilation device replacement method, and ventilation device - Google Patents

Ventilator replacement unit, ventilation device replacement method, and ventilation device Download PDF

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JP5250484B2
JP5250484B2 JP2009130126A JP2009130126A JP5250484B2 JP 5250484 B2 JP5250484 B2 JP 5250484B2 JP 2009130126 A JP2009130126 A JP 2009130126A JP 2009130126 A JP2009130126 A JP 2009130126A JP 5250484 B2 JP5250484 B2 JP 5250484B2
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桂一 柏村
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Fuji Industrial Co Ltd
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Description

本発明は、プロペラファンを用いた既設の換気装置を多翼ファン、ターボファンを用いた新設の換気装置に取り替える際に用いる換気装置取替用ユニット及び、その換気装置取替ユニットを用いて換気装置を取り替える換気装置の取替方法並びに、取り替えした換気装置に関する。   The present invention relates to a ventilation device replacement unit used when replacing an existing ventilation device using a propeller fan with a new ventilation device using a multiblade fan or a turbofan, and ventilation using the ventilation device replacement unit. The present invention relates to a method for replacing a ventilation device that replaces the device, and the replaced ventilation device.

従来、台所に設置され調理により発生する油煙や臭気を屋外へと排気するための換気装置としては、特許文献1に開示されたように、プロペラファンを用いた換気扇と呼ばれる第1の換気装置、特許文献2に開示されたように、多翼ファンを用いたレンジフードと呼ばれる第2の換気装置が知られている。   Conventionally, as a ventilator for exhausting oily smoke and odor generated by cooking installed outdoors in a kitchen, as disclosed in Patent Document 1, a first ventilator called a ventilator using a propeller fan, As disclosed in Patent Document 2, a second ventilation device called a range hood using a multiblade fan is known.

特開平7−151364号公報JP-A-7-151364 特開2007−232351号公報JP 2007-232351 A

前述の第1の換気装置は排気能力が劣り、第2の換気装置は排気能力が優れているのが一般的である。
そこで、台所のリフォーム時などに既設の第1の換気装置を第2の換気装置に取り替えることがある。
その際には、外壁に取り付けてある既設の第1の換気装置及び外壁の取付孔に取り付けてある木枠を外壁から取り外し、その外壁の取付孔を閉塞すると共に、取り外した跡を補修した後に、前記外壁に第2の換気装置を取り付け、その第2の換気装置の排気口に連通させて屋外へと油煙や臭気を導くための排気用のダクトを外壁を貫通して設置することになり、その作業は大掛かりで労力や費用のかかるものであった。
The first ventilator described above is generally poor in exhaust capacity, and the second ventilator is generally excellent in exhaust capacity.
Therefore, the existing first ventilator may be replaced with the second ventilator when remodeling the kitchen.
In that case, after removing the existing first ventilation device attached to the outer wall and the wooden frame attached to the outer wall mounting hole from the outer wall, closing the outer wall mounting hole, and repairing the removed trace A second ventilator is attached to the outer wall, and an exhaust duct is provided through the outer wall to communicate with the exhaust port of the second ventilator to guide oil smoke and odor to the outside. The work was large and labor intensive and expensive.

本発明の目的は、既設の換気装置を新設の換気装置に取り替える作業が簡単で、その労力や費用が少なくてすむようにした換気装置取替用ユニット及び換気装置の取替方法並びに換気装置とすることである。   It is an object of the present invention to provide a ventilation device replacement unit, a ventilation device replacement method, and a ventilation device that can easily replace an existing ventilation device with a new ventilation device and reduce labor and cost. That is.

本発明の換気装置取替用ユニットにおいては、金属製の貫通孔を有する塞ぎ板と、前記塞ぎ板に取り付けられる金属製のダクトとを備え、前記金属製の塞ぎ板、前記ダクトの中心が前記塞ぎ板の中心よりも左右一方向及び上下一方向にずれた位置となるように前記ダクトが挿通されるダクト貫通孔が形成され、木枠と同じ大きさになるように、前記ダクト貫通孔の中心からずれた方と反対よりの左右他方寄りと上下他方寄りを切断して使用されるものであって、前記塞ぎ板を、外壁の取付孔に取り付けてある木枠に取り付けることで、前記ダクトが木枠内に挿入し、そのダクトの外周面と木枠の内周面との間の隙間が塞ぎ板で閉塞されるようにしたものである。
このようにすれば、既設の換気装置を新設の換気装置に取り替える作業が簡単で、その労力や費用を少なく抑えることができる。
また、大きさの異なる木枠に取り付けて木枠の開口部を閉塞できると共に、切断作業が簡単である。
The ventilation device replacement unit of the present invention includes a closing plate having a metal through-hole and a metal duct attached to the closing plate, and the metal closing plate has a center of the duct. A duct through-hole through which the duct is inserted is formed so as to be shifted in one lateral direction and one vertical direction from the center of the closing plate, and the duct through-hole is formed to have the same size as the wooden frame. It is used by cutting the left and right other side and the upper and lower other side opposite to the direction shifted from the center, and by attaching the closing plate to a wooden frame attached to the mounting hole of the outer wall, A duct is inserted into a wooden frame, and a gap between the outer peripheral surface of the duct and the inner peripheral surface of the wooden frame is closed by a closing plate.
In this way, it is easy to replace the existing ventilator with a new ventilator, and the labor and cost can be reduced.
Moreover, it can attach to the wooden frame from which a magnitude | size differs, and can close the opening part of a wooden frame, and a cutting operation | work is easy.

本発明の換気装置取替用ユニットにおいては、前記ダクトは、前記塞ぎ板の貫通孔との間に隙間ができる状態で、且つ前記塞ぎ板との間に断熱層を介して取り付けられる。
このようにすれば、ダクトから塞ぎ板へ熱が伝わり難くなるから、塞ぎ板を木枠に接触して取り付けしてもダクトを流通する油煙などの熱によって木枠が燃えることがない
In the ventilator replacement unit according to the present invention, the duct is attached to the through-hole of the closing plate through a heat insulating layer in a state where a gap is formed between the duct and the closing plate.
This makes it difficult for heat to be transferred from the duct to the closing plate, so that even if the closing plate is attached to the wooden frame, the wooden frame will not be burned by heat such as oil smoke flowing through the duct .

本発明の換気装置取替用ユニットにおいては、前記木枠の内周面を被覆する不燃層を備えていることができる In the ventilation device replacement unit of the present invention, a non-combustible layer that covers the inner peripheral surface of the wooden frame can be provided .

このようにすれば、ダクトを流通する油煙などの熱が木枠に伝わり難いので、ダクトを木枠の内周面に接近して配設した場合でも前述の熱で木枠が燃えることがない In this way, heat such as oil smoke flowing through the duct is difficult to be transmitted to the wooden frame, so even if the duct is disposed close to the inner peripheral surface of the wooden frame, the wooden frame does not burn with the above-described heat. .

本発明の換気装置取替用ユニットにおいては、前記木枠内部に、室内側から取り付け可能な防鳥網を備え、この防鳥網はダクトよりも室外側寄りに取り付けられるようにできる。  In the ventilation device replacement unit of the present invention, a bird net that can be attached from the indoor side is provided inside the wooden frame, and the bird net can be attached closer to the outdoor side than the duct.
このようにすれば、木枠内に鳥などが入り込むことがないと共に、外壁の室外側面に取り付けてあるウエザーカバーの交換等の外壁側工事が必要なく、施工性が向上する。  In this way, birds and the like do not enter the wooden frame, and work on the outer wall such as replacement of the weather cover attached to the outdoor side surface of the outer wall is not necessary, and workability is improved.

本発明の換気装置の取替方法は、外壁の木枠から既設の換気装置を取り外して木枠を残存し、
前記した換気装置取替用ユニットの塞ぎ板を前記木枠の大きさに合わせて切断し、前記木枠に前記塞ぎ板を固着することにより前記換気装置取替用ユニットを取り付け、
前記外壁の室内側面に、新設の換気装置を取り付け、
この新設の換気装置の排気口と、前記換気装置取替用ユニットのダクトを、接続用ダクトで連通するようにしたものである。
The method for replacing a ventilator according to the present invention removes the existing ventilator from the wooden frame of the outer wall and leaves the wooden frame,
Cutting the closing plate of the ventilation device replacement unit described above according to the size of the wooden frame, and attaching the ventilation device replacement unit by fixing the closing plate to the wooden frame,
A new ventilation device is attached to the indoor side of the outer wall,
The exhaust port of the newly installed ventilator and the duct of the ventilator replacement unit are communicated with each other through a connecting duct.

本発明の換気装置は、外壁の取付孔に取り付けてある木枠と、この木枠に取り付けた前記した換気装置取替用ユニットと、前記外壁の室内側面に取り付けた新設の換気装置と、この新設の換気装置の排気口と前記換気装置取替用ユニットのダクトを連通する接続用ダクトを備えているものである。 The ventilator of the present invention includes a wooden frame attached to a mounting hole in the outer wall, the above-described ventilation device replacement unit attached to the wooden frame, a newly installed ventilator attached to the indoor side surface of the outer wall, A connection duct that communicates the exhaust port of the newly installed ventilator with the duct of the ventilator replacement unit is provided.

本発明によれば、外壁1の取付孔2に取り付けてある木枠3に、取替え具10を取り付けることで、その木枠3内にダクト12が挿入して配設されると共に、そのダクト12の外周面と木枠3の内周面の隙間が塞ぎ板11で閉塞される。
したがって、外壁1の取付孔2に取り付けてある木枠3、その取付孔2を利用して新設の換気装置の排気用のダクトを室外まで容易に配設でき、取付孔2を閉塞したり、外壁1の補修作業が必要なく、既設の換気装置を新設の換気装置に取り替える作業が簡単で、その労力や費用を少なく抑えることができる。
According to the present invention, the duct 12 is inserted and disposed in the wooden frame 3 by attaching the replacement tool 10 to the wooden frame 3 attached to the mounting hole 2 of the outer wall 1. A gap between the outer peripheral surface of the wooden frame and the inner peripheral surface of the wooden frame 3 is closed by the closing plate 11.
Therefore, the wooden frame 3 attached to the attachment hole 2 of the outer wall 1 and the exhaust duct of the newly installed ventilator can be easily arranged to the outside using the attachment hole 2, and the attachment hole 2 is closed, The work of repairing the outer wall 1 is not necessary, and the work of replacing the existing ventilation device with a new ventilation device is simple, and the labor and cost can be reduced.

既設の換気装置の取り付け状態の断面図である。It is sectional drawing of the attachment state of the existing ventilation apparatus. 既設の換気装置を取り外すと共に、換気装置取替用ユニットを取り外した状態の断面図である。It is sectional drawing of the state which removed the existing ventilation apparatus and removed the ventilation apparatus replacement unit. 新設の換気装置を取り付けた状態の断面図である。It is sectional drawing of the state which attached the newly installed ventilation apparatus. 新設の換気装置を取り付けた状態の内観図である。It is an inside view of a state where a newly installed ventilation device is attached. 木枠と換気装置取替用ユニットの分解斜視図である。It is a disassembled perspective view of a wooden frame and a ventilation apparatus replacement unit. 換気装置取替用ユニットを取り付けた状態の詳細断面図である。It is detailed sectional drawing of the state which attached the unit for ventilation apparatus replacement | exchange.

図1に示すように、建物の外壁1の取付孔2内に木枠3が挿入して取り付けてある。この木枠3に既設の換気装置4を取り付けてある。
前記既設の換気装置4は、ハウジング5内にプロペラファンとモータを取り付けたプロペラファンを用いた換気扇と呼ばれる換気装置で、そのハウジング5が木枠3に固着具で、室内側から固着して取り付けてある。
前記外壁1の室内側面1aには不燃材6が取り付けてあると共に、その外壁1の室外側面1bにはウエザーカバー7が取り付けてある。
なお、図1においてプロペラファンを用いた換気扇と呼ばれる換気装置は従来と同様であるから、全体を仮想線で示して内部構造は図示を省略してある。
As shown in FIG. 1, a wooden frame 3 is inserted and attached in an attachment hole 2 in an outer wall 1 of a building. An existing ventilation device 4 is attached to the wooden frame 3.
The existing ventilator 4 is a ventilator called a ventilator using a propeller fan in which a propeller fan and a motor are mounted in a housing 5, and the housing 5 is fixed to the wooden frame 3 and fixed from the indoor side. It is.
An incombustible material 6 is attached to the indoor side surface 1 a of the outer wall 1, and a weather cover 7 is attached to the outdoor side surface 1 b of the outer wall 1.
In FIG. 1, a ventilator called a ventilator using a propeller fan is the same as the conventional one, and therefore the entire structure is shown with phantom lines and the internal structure is not shown.

図1に示す既設の換気装置4を新設の換気装置に取り替える方法を説明する。
図1に示す換気装置4のハウジング5を室内側から取り外し、図2に示すように木枠3を残存させる。不燃材6、ウエザーカバー7も残存する。
前記残存した木枠3が腐食していたり、損傷しているときには、その木枠3を取り外し、取付孔2内に新しい木枠3を取り付ける。
A method of replacing the existing ventilation device 4 shown in FIG. 1 with a new ventilation device will be described.
The housing 5 of the ventilation device 4 shown in FIG. 1 is removed from the indoor side, and the wooden frame 3 is left as shown in FIG. Incombustible material 6 and weather cover 7 also remain.
When the remaining wooden frame 3 is corroded or damaged, the wooden frame 3 is removed and a new wooden frame 3 is mounted in the mounting hole 2.

この後に、図3に示すように木枠3に、換気装置取替用ユニット8を取り付ける。
この換気装置取替用ユニット8は、図2、図3に示すように、取替え具10と不燃層20と防鳥網30を備えている。
前記取替え具10は、木枠3の開口部を閉塞する金属製の塞ぎ板11と、この塞ぎ板11に設けた金属製のダクト12を有し、その塞ぎ板11を木枠3に固着して取り付けることで木枠3の室内側の開口部を閉塞する、つまり木枠3の内周面とダクト12の外周面との間の隙間を閉塞する。これとともに、ダクト12が木枠3内に挿入する。
Thereafter, the ventilation device replacement unit 8 is attached to the wooden frame 3 as shown in FIG.
As shown in FIGS. 2 and 3, the ventilation device replacement unit 8 includes a replacement tool 10, a non-combustible layer 20, and a bird net 30.
The replacement tool 10 has a metal closing plate 11 that closes the opening of the wooden frame 3 and a metal duct 12 provided on the closing plate 11, and the closing plate 11 is fixed to the wooden frame 3. To close the opening on the indoor side of the wooden frame 3, that is, close the gap between the inner peripheral surface of the wooden frame 3 and the outer peripheral surface of the duct 12. At the same time, the duct 12 is inserted into the wooden frame 3.

前記不燃層20は、断熱性を有する不燃材料より成り、木枠3の内周面3aを被覆して前記ダクト12内を流通する油煙などの熱で木枠3が燃えないようにする。
例えば、断熱性を有する不燃材料より成るプレート21を、木枠3の内周面3aに接して取り付ける。このプレート21(不燃層20)の厚さは9.5mm以上である。
なお、木枠3の内周面3aとダクト12とが10cm以上離れていれば前述の不燃層20を設けなくとも良い。
The non-combustible layer 20 is made of a non-combustible material having heat insulation properties, and covers the inner peripheral surface 3a of the wooden frame 3 so that the wooden frame 3 is not burned by heat such as oil smoke flowing through the duct 12.
For example, the plate 21 made of an incombustible material having heat insulation is attached in contact with the inner peripheral surface 3 a of the wooden frame 3. The thickness of the plate 21 (incombustible layer 20) is 9.5 mm or more.
In addition, if the inner peripheral surface 3a of the wooden frame 3 and the duct 12 are separated by 10 cm or more, the above-described incombustible layer 20 may not be provided.

前記防鳥網30は、室内側から木枠3内に挿入し、その木枠3の室外側寄りに室内側から取り付けて外壁1の室外側面1aとほぼ面一とする。
この防鳥網30と前記ダクト12の先端面は接触しないようにする。
これによって、ダクト12を外壁1の室外側面1bの近くまで配管することができる。
なお、既設のウエザーカバー7に防鳥網が取り付けてある場合には、この防鳥網30を取り付けなくとも良い。
The bird net 30 is inserted into the wooden frame 3 from the indoor side and attached from the indoor side to the outdoor side of the wooden frame 3 so as to be substantially flush with the outdoor side surface 1a of the outer wall 1.
The bird net 30 and the front end surface of the duct 12 are not in contact with each other.
As a result, the duct 12 can be piped close to the outdoor side surface 1b of the outer wall 1.
In addition, when the bird's net is attached to the existing weather cover 7, this bird net 30 need not be attached.

前記換気装置取替用ユニット8は、まずプレート21を木枠3の内周面3aに室内側からそれぞれ取り付けて不燃層20で木枠3の内周面3aを被覆する。
次に、防鳥網30を取り付ける。
最後に取替え具10の塞ぎ板11を取り付ける。
In the ventilator replacement unit 8, first, the plate 21 is attached to the inner peripheral surface 3 a of the wooden frame 3 from the indoor side, and the inner peripheral surface 3 a of the wooden frame 3 is covered with the incombustible layer 20.
Next, the bird net 30 is attached.
Finally, the closing plate 11 of the replacement tool 10 is attached.

このように、換気装置取替用ユニット8を室内側から取り付けできるので、ウエザーカバー7の交換等の外壁側工事が必要なく、施工性が向上する。   Thus, since the ventilation device replacement unit 8 can be attached from the indoor side, the outer wall side construction such as replacement of the weather cover 7 is not necessary, and the workability is improved.

図3と図4に示すように、前記外壁1の室内側面1a(不燃材6)に、新設の換気装置40を取り付ける。
この新設の換気装置40はフード本体41内に、多翼ファンを有した送風機、フィルターなどを取り付けたレンジフードと呼ばれる換気装置で、そのフード本体41を前述の外壁1の室内側面1aに取り付ける。
前記フード本体41の排気口42と前記ダクト12とを接続ダクト43で連通する。
As shown in FIGS. 3 and 4, a new ventilation device 40 is attached to the indoor side surface 1 a (noncombustible material 6) of the outer wall 1.
This new ventilation device 40 is a ventilation device called a range hood in which a blower having a multiblade fan, a filter, and the like are attached in a hood main body 41, and the hood main body 41 is attached to the indoor side surface 1a of the outer wall 1 described above.
The exhaust duct 42 of the hood main body 41 and the duct 12 are communicated with each other through a connection duct 43.

前記フード本体41の排気口42は、木枠3の中心と位置がずれているので、接続ダクト43は垂直姿勢に対して斜めの姿勢となっている。
つまり、多翼ファンを用いた送風機の場合には、吸込口がファンの回転中心と同心状で、排気口がファンの回転中心よりもずれた位置となるので、その送風機をフード本体41の中央部に取り付けると排気口42がフード本体41の中央部からずれた位置となり、前述のように木枠3の中心と位置がずれる。
Since the exhaust port 42 of the hood body 41 is displaced from the center of the wooden frame 3, the connection duct 43 is inclined with respect to the vertical posture.
That is, in the case of a blower using a multiblade fan, the suction port is concentric with the rotation center of the fan, and the exhaust port is shifted from the rotation center of the fan. When attached to the section, the exhaust port 42 is displaced from the center of the hood body 41, and the position of the center of the wooden frame 3 is shifted as described above.

前述のように、塞ぎ板11を木枠3に取り付けることで、ダクト12を木枠3内に容易に配設できると共に、そのダクト12と木枠3の内周面3aとの隙間を塞ぎ板11で閉塞することができる。
したがって、外壁1の取付孔2に取り付けてある木枠3、その取付孔2を利用して新設の換気装置40の排気用のダクトを室外まで容易に配設でき、木枠3の取り外し作業や、木枠3の開口部を閉塞するために外壁1の補修作業が必要なく、既設の換気装置を新設の換気装置に取り替える作業が簡単で、その労力や費用を少なく抑えることができる。
As described above, by attaching the closing plate 11 to the wooden frame 3, the duct 12 can be easily disposed in the wooden frame 3, and the gap between the duct 12 and the inner peripheral surface 3 a of the wooden frame 3 is closed. 11 can be occluded.
Accordingly, the wooden frame 3 attached to the mounting hole 2 of the outer wall 1 and the exhaust duct of the newly installed ventilator 40 can be easily arranged outside the room using the mounting hole 2, Since the opening of the wooden frame 3 is closed, the outer wall 1 is not required to be repaired, and the work of replacing the existing ventilator with a new ventilator is simple, and the labor and cost can be reduced.

次に、各部材の詳細を図5、図6に基づいて説明する。
前記木枠3は、上横板3bと下横板3cと左右の縦板3dで矩形状の枠体としてある。
前記取替え具8の塞ぎ板11は、上端面11aと下端面11bと左縦端面11cと右縦端面11dを有する前記木枠3よりも大きな矩形板状で、ダクト貫通孔13を有していると共に、そのダクト貫通孔13の周縁に小孔14が複数形成してある。
この塞ぎ板11はアルミニウムにより形成されている。
前記ダクト貫通孔13は、その中心が塞ぎ板11の中心11eよりも左右一方及び上下一方にずれた位置となるように形成してある。
図5では、ダクト貫通孔13の中心は、塞ぎ板11の中心11eよりも左縦端面11c及び下端面11bにずれた位置となるように形成されている。
Next, the detail of each member is demonstrated based on FIG. 5, FIG.
The wooden frame 3 is formed as a rectangular frame body by an upper horizontal plate 3b, a lower horizontal plate 3c, and left and right vertical plates 3d.
The closing plate 11 of the replacement tool 8 has a rectangular plate shape larger than the wooden frame 3 having an upper end surface 11a, a lower end surface 11b, a left vertical end surface 11c, and a right vertical end surface 11d, and has a duct through hole 13. In addition, a plurality of small holes 14 are formed on the periphery of the duct through-hole 13.
The closing plate 11 is made of aluminum.
The duct through-hole 13, is formed so that one of left and right direction and upper and lower contrast deviated toward the position of the center 11e of the closing plate 11 is the center.
In FIG. 5, the center of the duct through-hole 13 is formed so as to be shifted to the left vertical end surface 11 c and the lower end surface 11 b from the center 11 e of the closing plate 11.

前記ダクト12は、フランジ15を有した一側筒16と、前記ダクト貫通孔13よりも小径な他側筒17を有し、その一側筒16に他側筒17を嵌合して連結してダクト12としてある。
そして、他側筒17を塞ぎ板11のダクト貫通孔13に挿通してフランジ15を塞ぎ板11の表面(室内側に向かう面)に気密材18(リング状のシールプレート)を介して押しつけて固着してある。例えば、ボルト19aをフランジ15の孔15a、塞ぎ板11の小孔14を挿通してナット19bに螺合してダクト12を塞ぎ板11に、ダクト12の中心が塞ぎ板11の中心11eよりも左右一方及び上下一方にずれた位置となるように固着して取り付けてある。
前記一側筒16が塞ぎ板11の表面よりも室内側に突出し、他側筒17が塞ぎ板11の裏面よりも室外側に突出していると共に、他側筒17(ダクト12)の外周面と塞ぎ板11のダクト貫通孔13との間に隙間がある。
The duct 12 includes a one-side tube 16 having a flange 15 and an other-side tube 17 having a smaller diameter than the duct through-hole 13, and the other-side tube 17 is fitted and connected to the one-side tube 16. The duct 12 is provided.
Then, the other side cylinder 17 is inserted into the duct through hole 13 of the closing plate 11 and the flange 15 is closed and pressed against the surface of the closing plate 11 (the surface facing the indoor side) via an airtight material 18 (ring-shaped seal plate). It is fixed. For example, the bolt 19a is inserted through the hole 15a of the flange 15 and the small hole 14 of the closing plate 11 and screwed into the nut 19b to connect the duct 12 to the closing plate 11. The center of the duct 12 is more than the center 11e of the closing plate 11. It is fixedly attached so as to be shifted to the left and right and up and down.
The one side cylinder 16 protrudes more indoors than the surface of the closing plate 11, the other side cylinder 17 protrudes outward from the rear surface of the closing plate 11, and the outer peripheral surface of the other side tube 17 (duct 12). There is a gap between the closing plate 11 and the duct through hole 13.

前述のようであるから、取替え具8を木枠3に取り付けるには、塞ぎ板11の左右他方寄り(図5では右縦端面11d寄り)と、上下他方寄り(図5では上端面11a寄り)、つまりダクト12のずれた方と反対方寄りを、木枠3の大きさ(左右寸法、上下寸法)に合わせて図5に1点鎖線で示すように切断し、塞ぎ板11を木枠3と同じ大きさとする。
そして、塞ぎ板11を木枠3にねじなどの固着具10aで固着して取り付ける。
このようであるから、大きさの異なる木枠3に取り付けて木枠3の開口部を閉塞できると共に、切断作業が簡単である。
Since it is as mentioned above, in order to attach the replacement tool 8 to the wooden frame 3, the left and right sides of the closing plate 11 (near the right vertical end surface 11 d in FIG. 5) and the other side of the top and bottom (near the upper end surface 11 a in FIG. 5) That is, the direction opposite to the direction in which the duct 12 is displaced is cut in accordance with the size of the wooden frame 3 (left-right dimension, vertical dimension) as shown by a one-dot chain line in FIG. Same size as
Then, the closing plate 11 is fixedly attached to the wooden frame 3 with a fixing tool 10a such as a screw.
Since it is like this, it can attach to the wooden frame 3 from which a magnitude | size differs, and the opening part of the wooden frame 3 can be obstruct | occluded, and a cutting operation | work is easy.

前記不燃層20は、前述した厚さ9.5mm以上の断熱性を有する不燃材料より成る上横プレート21aと下横プレート21bと左右の縦プレート21cを有し、前記木枠3の上横板3b、下横板3c、左右の縦板3dの内面に、前記各プレートを接してねじなどの固着具22で固着して取り付けてある。
前記防鳥網30は、左右の縦縁を折り曲げて取付片部31とし、この取付片部31を前記不燃層20の左右の縦プレート21c(左右の縦内面)に固着具32で固着して取り付けてある。
The non-combustible layer 20 includes an upper horizontal plate 21a, a lower horizontal plate 21b, and left and right vertical plates 21c made of a non-combustible material having a heat insulating property of 9.5 mm or more, and the upper horizontal plate of the wooden frame 3 3 b, the lower horizontal plate 3 c, and the left and right vertical plates 3 d are attached to the inner surfaces of the plates by fixing them with fixing tools 22 such as screws.
The bird net 30 is attached to the left and right vertical plates 21c (left and right vertical inner surfaces) of the incombustible layer 20 with fixing tools 32 by bending the left and right vertical edges into the mounting piece 31. It is attached.

前述のように、塞ぎ板11は不燃材6に接して取り付けてあるので、ダクト12を流通する油煙などの熱が塞ぎ板11から木枠3に伝わり難く、木枠3が燃えることがない。   As described above, since the closing plate 11 is attached in contact with the incombustible material 6, heat such as oil smoke flowing through the duct 12 is not easily transmitted from the closing plate 11 to the wooden frame 3, and the wooden frame 3 does not burn.

なお、前述のように塞ぎ板11のダクト貫通孔13とダクト12との間に隙間があるので、ダクト12のフランジ15と塞ぎ板11との間に断熱層を設けることにより、ダクト12から塞ぎ板11へ熱が伝わり難くなるから、塞ぎ板11を木枠3に接触して取り付けしてもダクト12を流通する油煙などの熱によって木枠3が燃えることがない。
例えば、前述した気密材18を断熱性を有する材料にする。
Since there is a gap between the duct through hole 13 and the duct 12 of the closing plate 11 as described above, the insulating layer is provided between the flange 15 of the duct 12 and the closing plate 11 to close the duct 12. Since it is difficult for heat to be transmitted to the plate 11, the wooden frame 3 is not burned by heat of oil smoke or the like flowing through the duct 12 even if the closing plate 11 is attached in contact with the wooden frame 3.
For example, the above-described airtight material 18 is made of a material having heat insulation properties.

しかも、前述のように断熱層を設けた場合に、ねじ等の複数の固着具(ボルト19aとナット19b)でフランジ15を塞ぎ板11に連結することで、ダクト13と塞ぎ板11が金属接触する部分が点接触となるから、ダクト13から塞ぎ板11への熱の伝わりがより少なくなる。   In addition, when the heat insulating layer is provided as described above, the duct 13 and the closing plate 11 are in metal contact by connecting the flange 15 to the closing plate 11 with a plurality of fixing tools (bolts 19a and nuts 19b) such as screws. Since the part to do becomes a point contact, the transmission of heat from the duct 13 to the closing plate 11 is further reduced.

前記断熱性を有した不燃材料としては、ケイ酸カルシウム板、せっこうボード、ロックウール、グラスウォール、ケイ酸カルシウムの基材に粘土鉱物であるバーミキュライトを加えたモイス(MOISS)と呼ばれる素材などが望ましい。   Examples of the non-combustible material having heat insulation include calcium silicate board, gypsum board, rock wool, glass wall, and a material called MOISS in which vermiculite, a clay mineral, is added to a calcium silicate base material. desirable.

1…外壁、1a…室内側面、2…取付孔、3…木枠、3a…内周面、4…既設の換気装置、7…ウエザーカバー、8…換気装置取替用ユニット、10…取替え具、11…塞ぎ板、12…ダクト、20…不燃層、30…防鳥網、40…新設の換気装置、41…フード本体、42…排気口、43…接続用ダクト。   DESCRIPTION OF SYMBOLS 1 ... Outer wall, 1a ... Indoor side surface, 2 ... Mounting hole, 3 ... Wooden frame, 3a ... Inner peripheral surface, 4 ... Existing ventilator, 7 ... Weather cover, 8 ... Ventilator replacement unit, 10 ... Replacement tool DESCRIPTION OF SYMBOLS 11 ... Blocking board, 12 ... Duct, 20 ... Incombustible layer, 30 ... Bird net, 40 ... New ventilation apparatus, 41 ... Hood main body, 42 ... Exhaust port, 43 ... Duct for connection.

Claims (6)

金属製の貫通孔を有する塞ぎ板と、
前記塞ぎ板に取り付けられる金属製のダクトとを備え、
前記金属製の塞ぎ板、前記ダクトの中心が前記塞ぎ板の中心よりも左右一方向及び上下一方向にずれた位置となるように前記ダクトが挿通されるダクト貫通孔が形成され、木枠と同じ大きさになるように、前記ダクト貫通孔の中心からずれた方と反対よりの左右他方寄りと上下他方寄りを切断して使用されるものであって、
前記塞ぎ板を、外壁の取付孔に取り付けてある前記木枠に取り付けることで、前記ダクトが木枠内に挿入し、そのダクトの外周面と木枠の内周面との間の隙間が塞ぎ板で閉塞されるようにしたことを特徴とする換気装置取替用ユニット。
A closing plate having a metal through hole;
A metal duct attached to the closing plate,
It said metal closing plate are ducts through hole through which the duct is inserted so as to be shifted in the lateral direction and the vertical direction position than the center center of the closing plate of the duct is formed, crate In order to be the same size as the above, it is used by cutting the left and right other side and the upper and lower other side opposite to the direction shifted from the center of the duct through hole,
The closing plate, by attaching the wooden frame that is attached to the mounting hole of the outer wall, the duct is inserted into the wooden frame, closing the gap between the inner circumferential surface of the outer peripheral surface and crate the duct Ventilator replacement unit characterized by being blocked by a plate.
前記ダクトは、前記塞ぎ板の貫通孔との間に隙間ができる状態で、且つ前記塞ぎ板との間に断熱層を介して取り付けられる
ことを特徴とする請求項1に記載の換気装置取替用ユニット。
The ventilation device replacement according to claim 1, wherein the duct is attached in a state where a gap is formed between the duct and a through-hole of the closing plate and a heat insulating layer is provided between the duct and the closing plate. Unit.
前記木枠の内周面を被覆する不燃層を備えている
ことを特徴とする請求項1または2に記載の換気装置取替用ユニット。
The ventilation device replacement unit according to claim 1 or 2, further comprising a non-combustible layer that covers an inner peripheral surface of the wooden frame.
前記木枠内部に、室内側から取り付け可能な防鳥網を備え、この防鳥網はダクトよりも室外側寄りに取り付けられる請求項1ないし3いずれか1項に記載の換気装置取替用ユニット。   The ventilation unit replacement unit according to any one of claims 1 to 3, further comprising a bird net that can be attached from the indoor side inside the wooden frame, and the bird net is attached closer to the outdoor side than the duct. . 外壁の木枠から既設の換気装置を取り外して木枠を残存し、
請求項1ないし4いずれか1項に記載の換気装置取替用ユニットの塞ぎ板を前記木枠の大きさに合わせて切断し、前記木枠に前記塞ぎ板を固着することにより前記換気装置取替用ユニットを取り付け、
前記外壁の室内側面に、新設の換気装置を取り付け、
この新設の換気装置の排気口と、前記換気装置取替用ユニットのダクトを、接続用ダクトで連通するようにしたことを特徴とする換気装置の取替方法。
Remove the existing ventilation device from the wooden frame on the outer wall, leave the wooden frame,
A ventilator replacement unit according to any one of claims 1 to 4 is cut in accordance with a size of the wooden frame, and the ventilator replacement unit is secured to the wooden frame by cutting the closing plate. Install the replacement unit,
A new ventilation device is attached to the indoor side of the outer wall,
A ventilator replacement method, characterized in that the exhaust port of the newly installed ventilator communicates with the duct of the ventilator replacement unit through a connecting duct.
外壁の取付孔に取り付けてある木枠と、この木枠に取り付けた請求項1ないし4いずれか1項に記載の換気装置取替用ユニットと、前記外壁の室内側面に取り付けた新設の換気装置と、この新設の換気装置の排気口と前記換気装置取替用ユニットのダクトを連通する接続用ダクトを備えていることを特徴とする換気装置。   A wooden frame attached to an attachment hole in the outer wall, a ventilation device replacement unit according to any one of claims 1 to 4 attached to the wooden frame, and a new ventilation device attached to the indoor side surface of the outer wall. And a ventilator for connecting the exhaust port of the newly installed ventilator and the duct of the ventilator replacement unit.
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