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JP3775286B2 - Connection structure of heater and duct - Google Patents
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JP3775286B2 - Connection structure of heater and duct - Google Patents

Connection structure of heater and duct Download PDF

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Publication number
JP3775286B2
JP3775286B2 JP2001353016A JP2001353016A JP3775286B2 JP 3775286 B2 JP3775286 B2 JP 3775286B2 JP 2001353016 A JP2001353016 A JP 2001353016A JP 2001353016 A JP2001353016 A JP 2001353016A JP 3775286 B2 JP3775286 B2 JP 3775286B2
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JP
Japan
Prior art keywords
duct
heater
flange
sealing material
upper member
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.)
Expired - Fee Related
Application number
JP2001353016A
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Japanese (ja)
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JP2003154837A (en
Inventor
俊典 梶田
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Nissan Motor Co Ltd
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Nissan Motor Co Ltd
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
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Priority to JP2001353016A priority Critical patent/JP3775286B2/en
Publication of JP2003154837A publication Critical patent/JP2003154837A/en
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Publication of JP3775286B2 publication Critical patent/JP3775286B2/en
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  • Air-Conditioning For Vehicles (AREA)

Description

【0001】
【発明の属する技術分野】
本発明は、ヒーターを下方にスライドさせてダクトに接続するヒーターとダクトの接続構造に関する。
【0002】
【従来の技術】
従来、図4に示すような幼稚園児送迎用バス101では、座席102を高くするために一般的に座席102が設置される座席設置部103を他の部分よりもかさ上げして床104が形成されている。
【0003】
座席設置部103には側面105においてリア側に車内側吹出口106が形成されており、内部103aには図示しないが車内側吹出口106に接続するダクトと、ダクトに接続したヒーターが車体110に取り付けられている。これにより、ヒーターからの暖風Aがダクトを通って車内側吹出口106から車内107に吹き出されることで車内107の暖房が行われている。
【0004】
またダクトとヒーターとを接続する際には、ダクトの両端部において暖風Aが吹き出される吹出側端部を座席設置部103の車内側吹出口106に合わせて取り付けた後に、暖風Aを取り入れるダクトの取入側端部に、ヒーターに設けられてヒーターの暖風Aが吹き出されるヒータ吹出部を接続している。
【0005】
このときに座席設置部103の内部103aという限られた空間を利用してダクトにヒーターを接続することから、ヒーターをダクトの軸方向に沿ってスライドさせることによってダクトに接続することはできず、ダクトより上方でダクトの取入側端部にヒーターの吹出部が接続するようにヒーターの位置を決め、そのままヒーターを下方にスライドさせることによってダクトに接続している。
【0006】
このようにして接続されるヒーターとダクトの接続構造には、例えば図5に示すようなダクトの接続構造が利用されている(実開昭58−36908号公報参照)。このダクトの接続構造では、接続される外気取入口側ダクト201の端部202の端面203と、吹出口側ダクト301の端部302の端面303がそれぞれ斜めに形成されている。
【0007】
両ダクト201、301を接続する際には、先に設置した吹出口側ダクト301より下方で外気取入口側ダクト201の端部202を吹出口側ダクト301の端部302に接続するように外気取入口側ダクト201の位置を決める。そしてそのまま外気取入口側ダクト201を上方にスライドさせ、パッキン401を介して吹出口側ダクト301の端面303に外気取入口側ダクト201の端面203を合わせて接続している。
【0008】
【発明が解決しようとする課題】
しかしながら、このようなダクトの接続構造を前述したようなヒーターとダクトの接続構造に使用する場合には、ヒーターの吹出部の端面とダクトの取入側端部の端面とを合わせて接続することから、接続部分の精度が高まるように両端面の成形精度を高めなければならない。したがって、例えばヒーターの吹出部とダクトを樹脂で成形しなければならず、コストが高くなってしまう問題があった。
【0009】
本発明は、かかる従来の課題に鑑みてなされたものであり、低コスト化を図ることができるヒーターとダクトの接続構造を提供することを目的とする。
【0010】
【課題を解決するための手段】
前記課題を解決するために本発明の請求項1記載のヒーターとダクトの接続構造においては、凹形状の下側部材に逆凹形状の上側部材が内嵌されて成るダクトの一端部を構成し、前記下側部材が前記上側部材よりも延長して形成され、暖風を取り入れる取入側端部と、前記ダクトに接続するヒータに設けられ、このヒーターの暖風が吹き出される吹出口と、この吹出口の周囲に設けられたフランジと、このフランジの下側周囲に設けられた樹脂製のシール材とを有し、前記上側部材よりも延長している前記下側部材の延長部上に前記シール材が押しつけられて前記フランジが前記下側部材に内嵌された吹出部と、下側が樹脂製のシール材によって構成され、前記フランジが前記下側部材に内嵌された状態で前記上側部材と前記フランジとの間に形成された隙間を、前記上側部材と前記フランジとに跨って塞ぐとともに前記シール材が押しつけられて取り付けられた逆凹形状のバンドと、を備えたものとしている。
【0011】
かかる構成においては、ヒーターの吹出部がシール材とバンドとを介してダクトの取入側端部に接続されていることにより、吹出部と取入側端部の接続部分の精度に対する許容範囲が広がるため、吹き出し部と取入側端部の成形精度を高める必要がなくなる。
【0012】
【発明の実施の形態】
以下、本発明の一実施の形態を図にしたがって説明する。
【0013】
図1は本発明の一実施の形態を示すヒーター1とダクト2の設置状態を示す要部斜視図である。ヒーター1とダクト2は、幼稚園児送迎用バスの床のかさ上げして形成された座席設置部103の内部103aで車体110に取り付けられている。
【0014】
ダクト2は、鉄板製の凹形状の下側部材3に鉄板製の逆凹型状の上側部材4が内嵌されて構成されている。そしてダクト2の両端部において暖風Aを吹き出す吹出側端部21を、座席設置部103の側面105に形成されて暖風Aを車内に吹き出す車内側吹出口106に合わせて車体110に取り付けられている。
【0015】
ダクト2に接続するヒーター1には、ヒーター1の暖風Aが吹き出される吹出部5が設けられている。そしてヒーター1を車体110に取り付ける際には、先に車体110に取り付けたダクト2の両端部において暖風Aを取り入れる取入側端部22に吹出部5が接続するように上方でヒーター1の位置を決め、そのままヒーター1を下方にスライドさせてダクト2に接続している。
【0016】
図2は、ヒーター1とダクト2の接続構造を示す一部分解斜視図であり、図3はヒーター1とダクト2の接続構造を示す縦断面図である。ヒーター1とダクト2の接続構造は、暖風Aを取り入れるダクト2の取入側端部22と、この取入側端部22に内嵌したヒーター1の吹出部5と、吹出部5と取入側端部22とに跨って取り付けられたバンド6とを備えている。
【0017】
ダクト2の取入側端部22はダクト2の一端部を構成しており、図3に示すように下側部材3が上側部材4よりも延長して形成されている。
【0018】
またヒーター1の吹出部5は、ヒーター1の暖風Aが吹き出される吹出口51と、吹出口51の周囲に設けられたフランジ52と、フランジ52の下側周囲に設けられたウレタン樹脂製のシール材53とを有しており、ダクト2の取入側端部22の上側部材4よりも延長している下側部材3の延長部31上にシール材53が押しつけられてフランジ52が下側部材3に内嵌されている。
【0019】
またバンド6は逆凹形状であって、バンド6の上側を構成するバンド本体61と、バンド本体61の下側全体に貼着されてバンドの下側を構成するウレタン樹脂製のシール材62とから成り、両端部6a、6aが折り返されている。
【0020】
そして、バンド6は、ヒーター1の吹出部5がダクト2の取入側端部22の下側部材3に内嵌された状態で、取入側端部22の上側部材4と吹出部5のフランジ52との間に形成された隙間Sを、上側部材4とフランジ52とに跨って塞ぐとともに、シール材62が押しつけられてフランジ52の上部52aにビス10、10止めして取り付けられている。
【0021】
これにより、吹出部5の吹出口51から吹き出されたヒーター1の暖風Aが、ダクト2の取入側端部22からダクト2内を通って吹出側端部21と車内吹出口とを介して車内107に吹き出されることで車内107の暖房が行われている。
【0022】
かかる構成においては、ヒーター1の吹出部5の下側が、ダクト2の取入側端部22の下側部材3にシール材53を介して内嵌されているとともに、吹出部5の上側がバンドを介して取入側端部22の上側部材4に取り付けられている。
【0023】
したがって、ヒーター1の吹出部5はシール材53とバンド6とを介してダクト2の取入側端部22に接続されていることから、吹出部5と取入側端部22の接続部分の精度に対する許容範囲を両部材53、6により広げることができる。
【0024】
このため、従来のように吹き出し部の端面5aと取入側端部22の端面22aとを合わせる必要がなくなるため、両端面5a、22aがうまく合うように双方の5、22の成形精度を高める必要がなくなり、本実施の形態のようにダクト2を樹脂製よりコストが低い鉄製で成形することができる。
【0025】
さらに、吹出部5のフランジ52を取入側端部22の下側部材3に内嵌させた際にフランジ52と上側部材4の相対位置が多少ずれても、バンド6によって相対位置のずれを吸収することが可能となり、またシール材62を押しつけることによって隙間Sにシール材62が入り込んでシール性を充分に確保できる。このため、ヒーター1とダクト2の双方に、車体110に対する高い取付精度が要求されることもなくなる。
【0026】
よって、本実施の形態のヒーター1とダクト2の接続構造においては、低コスト化を図ることができる。
【0027】
また、予めバンド6を吹出部5のフランジ52にビス10、10止めしておけば、ヒーター1を車体110に取り付ける際に、ヒーター1を下方にスライドさせてダクト2に接続するだけでよいため、両部材1、2の取付工程の短縮化を図ることができる。
【0028】
【発明の効果】
以上説明したように本発明の請求項1記載のヒーターとダクトの接続構造においては、ヒーターの吹出部がシール材とバンドとを介してダクトの取入側端部に接続されていることにより、吹出部と取入側端部の接続部分の精度に対する許容範囲が広がるため、吹き出し部と取入側端部の成形精度を高める必要がなくなる。よって、低コスト化を図ることができる。
【図面の簡単な説明】
【図1】本発明の一実施の形態を示すヒーターとダクトの設置状態を示す要部斜視図である。
【図2】ヒーターとダクトの接続構造を示す一部分解斜視図である。
【図3】ヒーターとダクトの接続構造を示す縦断面図である。
【図4】ドアを開けた状態の幼稚園児用バスの左側面図である。
【図5】ダクトの接続構造を示す分解斜視図である。
【符号の説明】
1 ヒーター
2 ダクト
3 下側部材
4 上側部材
5 吹出部
6 バンド
22 取入側端部
31 延長部
51 吹出口
52 フランジ
53 シール材
62 シール材
A 暖風
S 隙間
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a connection structure between a heater and a duct, which is connected to a duct by sliding the heater downward.
[0002]
[Prior art]
Conventionally, in the kindergarten pick-up bus 101 as shown in FIG. 4, the floor 104 is formed by raising the seat installation portion 103 where the seat 102 is generally installed to be higher than the other portions in order to raise the seat 102. Has been.
[0003]
The seat installation portion 103 has a vehicle interior air outlet 106 formed on the rear side of the side surface 105. A duct connected to the vehicle interior air outlet 106 and a heater connected to the duct are connected to the vehicle body 110. It is attached. As a result, the warm air A from the heater is blown out from the interior air outlet 106 to the interior 107 through the duct, whereby the interior 107 is heated.
[0004]
Further, when connecting the duct and the heater, the warm air A is attached after the blow-out side end portions where the warm air A is blown out at both ends of the duct are fitted to the vehicle interior air outlet 106 of the seat installation portion 103. A heater blow-out portion that is provided in the heater and blows out the warm air A of the heater is connected to the intake-side end portion of the duct to be taken in.
[0005]
At this time, since the heater is connected to the duct using the limited space of the interior 103a of the seat installation unit 103, the heater cannot be connected to the duct by sliding along the axial direction of the duct. The position of the heater is determined so that the blowing portion of the heater is connected to the intake side end of the duct above the duct, and the heater is connected to the duct by sliding it downward.
[0006]
For example, a duct connection structure as shown in FIG. 5 is used as the connection structure between the heater and the duct connected in this manner (see Japanese Utility Model Laid-Open No. 58-36908). In this duct connection structure, the end surface 203 of the end portion 202 of the outside air inlet side duct 201 to be connected and the end surface 303 of the end portion 302 of the outlet port side duct 301 are formed obliquely.
[0007]
When connecting both the ducts 201 and 301, the outside air is connected so that the end 202 of the outside air intake side duct 201 is connected to the end 302 of the outlet side duct 301 below the outlet side duct 301 installed earlier. The position of the intake side duct 201 is determined. The outside air inlet side duct 201 is slid upward as it is, and the end surface 203 of the outside air inlet side duct 201 is connected to the end surface 303 of the air outlet side duct 301 via the packing 401.
[0008]
[Problems to be solved by the invention]
However, when such a duct connection structure is used for the heater and duct connection structure as described above, the end face of the heater outlet and the end face of the duct intake end must be connected together. Therefore, the molding accuracy of both end faces must be increased so that the accuracy of the connecting portion is increased. Therefore, for example, the blowing portion and the duct of the heater must be molded with resin, which causes a problem that costs increase.
[0009]
The present invention has been made in view of such conventional problems, and an object of the present invention is to provide a connection structure between a heater and a duct that can reduce the cost.
[0010]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, in the connecting structure of a heater and a duct according to claim 1 of the present invention, one end portion of a duct formed by fitting a reverse concave upper member into a concave lower member is formed. The lower member is formed so as to extend from the upper member, and an intake side end portion for taking in warm air, a heater connected to the duct, and an outlet from which the warm air of the heater is blown out. And an extension of the lower member having a flange provided around the air outlet and a resin sealing material provided around the lower side of the flange and extending from the upper member. The sealing material is pressed against the blow-out portion in which the flange is fitted into the lower member, and the lower side is formed of a resin-made sealing material, and the flange is fitted into the lower member in the state described above. Between the upper member and the flange The formed gap, it is assumed that and a reverse concave band the sealing member is attached is pressed together closing over the said upper member and said flange.
[0011]
In such a configuration, since the blowout portion of the heater is connected to the intake side end portion of the duct via the sealing material and the band, there is an allowable range for the accuracy of the connection portion between the blowout portion and the intake side end portion. Since it spreads, it is no longer necessary to increase the molding accuracy of the blowing portion and the intake side end portion.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
[0013]
FIG. 1 is a main part perspective view showing an installed state of a heater 1 and a duct 2 showing an embodiment of the present invention. The heater 1 and the duct 2 are attached to the vehicle body 110 in an interior 103a of a seat installation portion 103 formed by raising the floor of a kindergarten pick-up bus.
[0014]
The duct 2 is configured such that an iron plate reverse-concave upper member 4 is fitted into a concave lower member 3 made of iron plate. And the blower side end part 21 which blows off the warm air A at both ends of the duct 2 is attached to the vehicle body 110 in accordance with the vehicle interior air outlet 106 which is formed on the side surface 105 of the seat installation part 103 and blows out the warm air A into the vehicle. ing.
[0015]
The heater 1 connected to the duct 2 is provided with a blowing portion 5 through which the warm air A of the heater 1 is blown. When the heater 1 is attached to the vehicle body 110, the blower 5 is connected to the intake side end portion 22 for taking in the warm air A at both ends of the duct 2 previously attached to the vehicle body 110. The position is determined, and the heater 1 is slid down as it is and connected to the duct 2.
[0016]
FIG. 2 is a partially exploded perspective view showing a connection structure between the heater 1 and the duct 2, and FIG. 3 is a longitudinal sectional view showing a connection structure between the heater 1 and the duct 2. The connection structure of the heater 1 and the duct 2 includes an intake side end portion 22 of the duct 2 for taking in the warm air A, a blowout portion 5 of the heater 1 fitted in the intake side end portion 22, And a band 6 attached across the entry-side end 22.
[0017]
The intake side end 22 of the duct 2 constitutes one end of the duct 2, and the lower member 3 is formed to extend from the upper member 4 as shown in FIG. 3.
[0018]
Further, the blowout portion 5 of the heater 1 is made of a blowout port 51 through which the warm air A of the heater 1 is blown out, a flange 52 provided around the blowout port 51, and a urethane resin provided around the lower side of the flange 52. The sealing material 53 is pressed onto the extended portion 31 of the lower member 3 that extends from the upper member 4 of the intake side end portion 22 of the duct 2, so that the flange 52 is formed. It is fitted in the lower member 3.
[0019]
The band 6 has a reverse concave shape, and includes a band body 61 that forms the upper side of the band 6, and a urethane resin sealing material 62 that is attached to the entire lower side of the band body 61 and forms the lower side of the band. The both ends 6a, 6a are folded.
[0020]
And the band 6 is the state in which the blowing part 5 of the heater 1 was fitted in the lower member 3 of the intake side end part 22 of the duct 2, and the upper member 4 and the outlet part 5 of the intake side end part 22. A gap S formed between the flange 52 and the upper member 4 and the flange 52 is closed and the seal material 62 is pressed against the upper portion 52a of the flange 52 with screws 10 and 10 attached thereto. .
[0021]
Thereby, the warm air A of the heater 1 blown from the blower outlet 51 of the blowout part 5 passes through the duct 2 from the intake side end part 22 of the duct 2 through the blowout side end part 21 and the in-car outlet. The vehicle interior 107 is heated by being blown out into the vehicle interior 107.
[0022]
In such a configuration, the lower side of the blowing portion 5 of the heater 1 is fitted into the lower member 3 of the intake side end portion 22 of the duct 2 via the sealing material 53, and the upper side of the blowing portion 5 is the band. Is attached to the upper member 4 of the intake side end portion 22.
[0023]
Therefore, since the blowing portion 5 of the heater 1 is connected to the intake side end portion 22 of the duct 2 via the sealing material 53 and the band 6, the connection portion between the blowing portion 5 and the intake side end portion 22 is connected. The allowable range for accuracy can be expanded by the members 53 and 6.
[0024]
For this reason, it is not necessary to match the end surface 5a of the blowing portion and the end surface 22a of the intake side end portion 22 as in the prior art. There is no need, and the duct 2 can be formed of iron, which is lower in cost than resin, as in the present embodiment.
[0025]
Furthermore, even if the relative position of the flange 52 and the upper member 4 is slightly shifted when the flange 52 of the blowing portion 5 is fitted into the lower member 3 of the inlet side end portion 22, the relative position shift is caused by the band 6. It is possible to absorb, and by pressing the sealing material 62, the sealing material 62 enters the gap S and a sufficient sealing performance can be secured. For this reason, the high mounting accuracy with respect to the vehicle body 110 is not required for both the heater 1 and the duct 2.
[0026]
Therefore, in the connection structure of the heater 1 and the duct 2 of the present embodiment, the cost can be reduced.
[0027]
Also, if the band 6 is fastened to the flange 52 of the blowing portion 5 in advance with the screws 10, 10, it is only necessary to slide the heater 1 downward and connect it to the duct 2 when attaching the heater 1 to the vehicle body 110. And the shortening of the attachment process of both the members 1 and 2 can be achieved.
[0028]
【The invention's effect】
As described above, in the connection structure of the heater and the duct according to claim 1 of the present invention, the blowing portion of the heater is connected to the intake side end portion of the duct via the sealing material and the band, Since the permissible range for the accuracy of the connecting portion between the blowout portion and the intake side end portion is widened, it is not necessary to increase the molding accuracy of the blowout portion and the intake side end portion. Therefore, cost reduction can be achieved.
[Brief description of the drawings]
FIG. 1 is a perspective view of a main part showing an installed state of a heater and a duct according to an embodiment of the present invention.
FIG. 2 is a partially exploded perspective view showing a connection structure between a heater and a duct.
FIG. 3 is a longitudinal sectional view showing a connection structure between a heater and a duct.
FIG. 4 is a left side view of the kindergarten bus with the door open.
FIG. 5 is an exploded perspective view showing a duct connection structure.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Heater 2 Duct 3 Lower member 4 Upper member 5 Outlet part 6 Band 22 Inlet side end part 31 Extension part 51 Outlet 52 Flange 53 Seal material 62 Seal material A Warm air S Crevice

Claims (1)

凹形状の下側部材に逆凹形状の上側部材が内嵌されて成るダクトの一端部を構成し、前記下側部材が前記上側部材よりも延長して形成され、暖風を取り入れる取入側端部と、
前記ダクトに接続するヒータに設けられ、このヒーターの暖風が吹き出される吹出口と、この吹出口の周囲に設けられたフランジと、このフランジの下側周囲に設けられた樹脂製のシール材とを有し、前記上側部材よりも延長している前記下側部材の延長部上に前記シール材が押しつけられて前記フランジが前記下側部材に内嵌された吹出部と、
下側が樹脂製のシール材によって構成され、前記フランジが前記下側部材に内嵌された状態で前記上側部材と前記フランジとの間に形成された隙間を、前記上側部材と前記フランジとに跨って塞ぐとともに前記シール材が押しつけられて取り付けられた逆凹形状のバンドと、
を備えたことを特徴とするヒーターとダクトの接続構造。
An intake side that forms one end portion of a duct formed by fitting an inverted concave upper member into a concave lower member, and the lower member extends from the upper member and takes in warm air End,
Provided in the heater connected to the duct, an air outlet from which the warm air of the heater is blown out, a flange provided around the air outlet, and a resin sealing material provided around the lower side of the flange And a blowout part in which the sealing material is pressed onto an extension part of the lower member that extends from the upper member, and the flange is fitted in the lower member,
The lower side is constituted by a resin sealing material, and a gap formed between the upper member and the flange in a state where the flange is fitted in the lower member straddles the upper member and the flange. A reverse concave band attached by pressing and sealing the sealing material,
A connection structure of a heater and a duct, characterized by comprising:
JP2001353016A 2001-11-19 2001-11-19 Connection structure of heater and duct Expired - Fee Related JP3775286B2 (en)

Priority Applications (1)

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JP2001353016A JP3775286B2 (en) 2001-11-19 2001-11-19 Connection structure of heater and duct

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Application Number Priority Date Filing Date Title
JP2001353016A JP3775286B2 (en) 2001-11-19 2001-11-19 Connection structure of heater and duct

Publications (2)

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JP2003154837A JP2003154837A (en) 2003-05-27
JP3775286B2 true JP3775286B2 (en) 2006-05-17

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4752531B2 (en) * 2006-02-10 2011-08-17 トヨタ車体株式会社 Air duct joint structure
JP4943266B2 (en) * 2007-07-31 2012-05-30 キョーラク株式会社 Mounting structure of air conditioning unit and air conditioning duct
JP6938443B2 (en) * 2018-06-29 2021-09-22 株式会社クボタ Work machine

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