JPH0812014B2 - duct - Google Patents
ductInfo
- Publication number
- JPH0812014B2 JPH0812014B2 JP2017069A JP1706990A JPH0812014B2 JP H0812014 B2 JPH0812014 B2 JP H0812014B2 JP 2017069 A JP2017069 A JP 2017069A JP 1706990 A JP1706990 A JP 1706990A JP H0812014 B2 JPH0812014 B2 JP H0812014B2
- Authority
- JP
- Japan
- Prior art keywords
- flange
- duct
- groove
- bent
- tip
- 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 - Lifetime
Links
Landscapes
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
- Duct Arrangements (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、建築の設備等で使用される空調用若しくは
換気用のダクトに関する。TECHNICAL FIELD The present invention relates to an air-conditioning or ventilation duct used in building equipment and the like.
従来、ダクトを形成するには鉄板を断面四角形に折曲
げ、さらにハゼとなる部分を手作業で折返して曲げてお
り作業時間が多くかかり面倒なものであった。Conventionally, in order to form a duct, an iron plate is bent into a rectangular cross section, and a portion that becomes a goby is manually folded and bent, which requires a lot of work time and is troublesome.
このようなものに対して、特開昭58-6351号公報、実
公昭52-50412号公報、実公昭50-17069号公報、実開昭48
-17954号公報などでは、相隣接する面材の一方の端部を
他の面材端に折曲げ形成した溝内に挿入することにより
全体を筒体に組立てるようにした組立式のダクトが提案
されている。Against such a thing, JP-A-58-6351, JP-B-52-50412, JP-B-50-17069, JP-B-48
In -17954, etc., an assembly-type duct is proposed, in which one end of adjacent face materials is inserted into a groove formed by bending the other face material end to assemble the whole into a tubular body. Has been done.
しかし、これらの組立式のダクトでも、ダクト相互の
接続部として使用する端部のフランジ部は、Ｌ形のアン
グル材をリベット止めして本体部に取付けて形成するも
ので、このようにボルトやリベットを多く使用すること
は、穴開けや圧着作業に多くの労力を費すことになる。However, even in these assembly-type ducts, the flange portion at the end portion used as a connecting portion between the ducts is formed by riveting an L-shaped angle member and attaching it to the main body portion. The heavy use of rivets results in a great deal of labor for drilling and crimping operations.
一方、ダクト端部に設けるフランジ部を嵌め込み式に
したものは、特開昭52-72923号公報に見られるが、この
特開昭52-72923号公報ではフランジ部の２枚重ねの部分
にダクト端部を挟み込むだけのもので、両者の結合は充
分とは言えず、抜け落ちるおそれもある。On the other hand, a type in which the flange portion provided at the end of the duct is of a fitting type is found in Japanese Patent Laid-Open No. 52-72923. In this Japanese Laid-Open Patent Publication No. 52-72923, the duct is formed at the portion where two flanges are stacked. Since the end portions are only sandwiched, it cannot be said that the connection between them is sufficient, and there is a risk that they will fall out.
本発明の目的は前記従来例の不都合を解消し、手作業
による折曲げ部分を減少させ、またボルトやリベットの
数を極力少ないものとして組立て加工の工程数の削減と
作業時間の短縮等省力化を図るとともに、組立て後は容
易に分解しない堅牢なものとなるダクトを提供すること
にある。The object of the present invention is to eliminate the inconvenience of the conventional example, to reduce the number of manually bent portions, and to reduce the number of bolts and rivets as much as possible to reduce the number of assembly process steps and shorten the work time and save labor. And to provide a robust duct that is not easily disassembled after assembly.
本発明は前記目的を達成するため、相隣接する面材の
一方の端部に膨出突起を適宜間隔で形成し、他方の面材
端を内側に沿わして折曲げ、その先を折曲げて立上げ、
さらにその先を少し内部に折込んで袋溝を内側に形成
し、かつ先端部をこの前記袋溝内へ折込んで抜け出し防
止用の係止片を形成し、前記膨出突起がある一方の面材
端部を前記他方の面材端の袋溝内に挿入することにより
全体を筒体に組立て、かつ、この筒体の左右端部に膨出
突起を周方向に適宜間隔で形成し、一方、フランジ部材
は角部にボルト穴が穿設されたＬ形の板体であるコーナ
ー金物とコ字形に折曲げた直線状のチャンネル部材とか
らなり、チャンネル部材は下部フランジの先端は折返
し、さらにその先端を逆方向に折曲げ、その先端を内部
に少し折込んで抜け出し防止用の係止片を有する袋溝と
して形成し、コーナー金物の端をチャンネル部材の端に
重ね合わせ、リベット等で固定して枠体として形成し、
前記膨出突起がある筒体端部をフランジ部材のチャンネ
ル部材の袋溝内に挿入することによりフランジ部材をダ
クト端部に取付け、このようにしてフランジ部材付きの
ダクト本体１を相互に突き合せて相接合するフランジ部
材間は角部は前記ボルト穴を介してボルトで止め、ま
た、お互いに外側に向き合うフランジには前記角部相互
の中間位置で外側から、略逆Ｕ字形に曲げられた帯体で
奥が一方のみに突出してフランジ挿入部が形成され、他
方側の端部近接の内側には巾方向に溝を設けたクリップ
バンドをかませ、隙間に、一端にストッパーを突設し、
全体を徐々に先細りになるようにテーパー状に形成する
とともにストッパーと同じ側の途中に角のない抜け出し
防止用の爪を突設したクサビを挿入して固定したことを
要旨とするものである。In order to achieve the above object, the present invention forms bulging projections at appropriate intervals on one end of adjacent face materials, bends the other face material end along the inside, and bends the tip. Start up,
Further, the tip is slightly folded inward to form a bag groove inside, and the tip is folded into the bag groove to form a locking piece for preventing slipping out. The entire end is assembled into a tubular body by inserting the end portion into the bag groove at the end of the other surface material, and bulging projections are formed at appropriate intervals in the circumferential direction on the left and right end portions of the tubular body, on the other hand, The flange member is composed of a corner metal member, which is an L-shaped plate body having bolt holes formed at its corners, and a linear channel member bent in a U-shape. Bend the tip in the opposite direction, slightly fold the tip inside to form a bag groove with a locking piece to prevent slipping out, stack the end of the corner metal piece on the end of the channel member, and fix it with rivets etc. Formed as a frame,
The flange member is attached to the duct end by inserting the end portion of the tubular body having the bulging projection into the bag groove of the channel member of the flange member, and the duct main bodies 1 with the flange member are abutted against each other in this way. Between the flange members to be joined together by the bolts, the corners are bolted through the bolt holes, and the flanges facing each other are bent from the outside at an intermediate position between the corners into a substantially inverted U shape. A flange insert is formed by projecting the back in only one side of the band, and a clip band with a groove in the width direction is bited inside the vicinity of the end on the other side, and a stopper is projected at one end in the gap. ,
The gist of the present invention is that the whole is tapered so as to gradually taper, and a wedge having a projection for preventing slipping out without a corner is inserted and fixed in the middle of the same side as the stopper.
本発明によれば、相隣接する面材の端部同士は一方に
膨出突起があり、他方の袋溝には抜け出し防止用の係止
片があるので一旦嵌め込んだ後では、この膨出突起が係
止片に引っ掛かって抜け出ることを防止される。According to the present invention, the end portions of the adjacent face materials have bulging protrusions on one side, and the other bag groove has a locking piece for preventing slipping out. The protrusion is prevented from being caught by the locking piece and coming off.
また、フランジ部材と筒体でも筒体側に膨出突起があ
り、フランジ部材の袋溝には抜け出し防止用の係止片が
あるので、一旦嵌め込んだ後では、この膨出突起が係止
片に引っ掛かって抜け出ることを防止される。In addition, since the flange member and the tubular body also have bulging projections on the tubular body side, and the bag groove of the flange member has a locking piece for preventing slipping out, the bulging projections are locked after they are once fitted. It prevents you from getting caught in and getting out.
さらに、フランジ部材を設けた筒体相互の接続は、フ
ランジ部材間は角部は前記ボルト穴を介してボルトで止
め、クリップバンドの挿入部にフランジの一方を差し入
れ、溝をガイドとしてクサビを押込んで、該クリップバ
ンドがストッパーと爪に収まるよにすればクサビはフラ
ンジとクサビ間に介在し全体がしっかりと固定される。Furthermore, when connecting the cylinders provided with the flange members, the corners between the flange members are bolted through the bolt holes, one of the flanges is inserted into the insertion part of the clip band, and the wedge is pushed using the groove as a guide. Then, if the clip band is fitted in the stopper and the claw, the wedge is interposed between the flange and the wedge, and the whole is firmly fixed.
以下、図面について本発明の実施例を詳細に説明す
る。Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
第１図は本発明のダクトの外観斜視図、第２図は同上
平面図、第３図は同上側面図で、図中１はダクト本体、
２はこの本体１の端部に取付ける接合用の軽量フランジ
を示す。FIG. 1 is an external perspective view of the duct of the present invention, FIG. 2 is a plan view of the same as above, and FIG. 3 is a side view of the same.
Reference numeral 2 denotes a lightweight flange for joining, which is attached to the end of the main body 1.
まず、前記ダクト本体１から先に説明すると、これは
第４図に示すように全体は断面矩形の金属製筒体からな
るが、上材３、下材４、左右の立材5,6の４枚の板の組
合せで構成される。First, the duct main body 1 will be described first. As shown in FIG. 4, the duct main body 1 is made of a metal tubular body having a rectangular cross section. However, the upper member 3, the lower member 4, the left and right standing members 5, 6 are It is composed of a combination of four plates.
上材３と下材４はそれぞれ左右端部を直角に折曲げて
フランジ3a,4aを形成し、該フランジ3a,4aに長さ方向に
適宜間隔で膨出突起（ボタンパンチ）７を設けた。この
突起７は第5a図に示すようにリブ状に押出したものや第
5b図に示すように切起こしで形成したものなどが考えら
れるが、いずれも挿入しやすくしかも抜け出しにくいよ
うに次第に高さを増すような突起である。The upper member 3 and the lower member 4 are bent at right and left end portions at right angles to form flanges 3a and 4a, and bulging projections (button punches) 7 are provided on the flanges 3a and 4a at appropriate intervals in the length direction. . As shown in FIG. 5a, the protrusion 7 is a rib-shaped extruded piece or
As shown in Fig. 5b, it may be formed by cutting and raising, but each is a protrusion that gradually increases in height so that it is easy to insert and difficult to pull out.
一方、左右の立材5,6は第６図に示すように上下端を
内側に沿わして折曲げ、さらにその先端を折曲げて立上
げ、その先端部を少し内部に折込んで袋溝（ポケットロ
ック）８を内側に形成する。On the other hand, the left and right standing members 5 and 6 are bent at the upper and lower ends along the inner side as shown in FIG. 6, and the tips are further bent to stand up, and the tips are slightly folded inside to form a bag groove ( Pocket lock) 8 is formed inside.
図中９は前記溝８内へ折込んだ先端部で、抜け出し防止
用の係止片である。In the figure, reference numeral 9 is a tip portion that is folded into the groove 8 and is a locking piece for preventing slipping out.
このようにして、相隣接する面材、例えば上材３と左
の立材５とを接合するのにフランジ3aを袋溝８内に挿入
すれば、内に入った突起７が係止片９の先端に当たって
抜け出なくなり、同様にして上材３に立材６の上端を、
立材5,6の下端に下材４の両端をそれぞれ接合して断面
四角形の筒体に組立てる。In this way, if the flange 3a is inserted into the bag groove 8 to join the face materials adjacent to each other, for example, the upper material 3 and the left standing material 5, the projection 7 that has entered therein will be locked by the locking piece 9. The upper end of the standing member 6 on the upper member 3 in the same way
Both ends of the lower member 4 are joined to the lower ends of the standing members 5 and 6, respectively, and assembled into a tubular body having a square cross section.
次に以上のごとく組立てるダクト本体１の左右端に取
付ける軽量フランジ部材２について説明すると、第７図
の分解正面図に示すようにフランジ部材２はコーナー金
物10と直線状のチャンネル部材11の組合せで枠体として
形成される。第８図、第９図に示すようにコーナー金物
10は角部にボルト穴10aが穿設されたＬ形の板体で、チ
ャンネル部材11は第10図の側面図に示すようにコ字形に
折曲げた主要部は上面に水平フランジ12が形成されてい
て、この主要部の下部フランジ13の先端は折返し、さら
にその先端を逆方向に折曲げその先端を内部に少し折込
んで抜け出し防止用の係止片14を有する袋溝（ポテット
ロック）15を形成した。そして、コーナー金物10の端を
チャンネル部材11の端に重ね合わせ、リベット21等で固
定する。このようにすれば、従来Ｌ字形チャンネル部材
の端部をすべて溶接していた場合と比べて簡単にフラン
ジを組立てることができる。Next, the lightweight flange members 2 attached to the left and right ends of the duct body 1 to be assembled as described above will be described. As shown in the exploded front view of FIG. 7, the flange member 2 is a combination of the corner metal fitting 10 and the linear channel member 11. It is formed as a frame. Corner hardware as shown in FIGS. 8 and 9
Reference numeral 10 denotes an L-shaped plate body having bolt holes 10a formed at the corners thereof, and the channel member 11 has a horizontal flange 12 formed on the upper surface of the main portion bent in a U shape as shown in the side view of FIG. The tip of the lower flange 13 of this main part is folded back, the tip is further bent in the opposite direction, and the tip is slightly folded inside to form a bag groove (potato lock) 15 having a locking piece 14 for preventing slipping out. Formed. Then, the end of the corner metal fitting 10 is overlapped with the end of the channel member 11 and fixed with a rivet 21 or the like. By doing so, the flange can be assembled more easily than in the case where all the ends of the L-shaped channel member are conventionally welded.
一方、第12図に示すようにダクト本体１の左右端部に
前記膨出突起７と同じような膨出突起（ボタンパンチ）
16を周方向に適宜間隔で設け、この部分を前記フランジ
２の袋溝15内に挿入すれば突起16が溝15の中で係止片14
の先端に当接して抜け出なくなり、軽量フランジ部材２
はダクト本体１の端に取付けられる。On the other hand, as shown in FIG. 12, bulging protrusions (button punch) similar to the bulging protrusions 7 are formed on the left and right ends of the duct body 1.
16 are provided at appropriate intervals in the circumferential direction, and when this portion is inserted into the bag groove 15 of the flange 2, the projection 16 has the locking piece 14 in the groove 15.
Light weight flange member 2
Is attached to the end of the duct body 1.
このようにしてフランジ部材２付きのダクト本体１を
相互に突き合せて相接合するフランジ部材2,2間にはパ
ッキン17を配設し、角部は穴10aを介してボルト18で止
める。また、お互いに外側に向き合うフランジ12,12に
は前記角部相互の中間位置で外側からクリップバンド19
をかませ、隙間にクサビ20を挿入して固定する（第15
図、第16図参照）。第13a図〜第13e図はクリップバンド
19の詳細を示し、略逆Ｕ字形に曲げられた帯体で奥が一
方のみに突出してフランジ挿入部19aが形成され、他方
側の端部近接の内側には巾方向に溝19bを設けている。
図中19cは、補強用のリブを示す。In this way, the packing 17 is arranged between the flange members 2 and 2 which mutually abut and mutually join the duct main body 1 with the flange member 2, and the corners are fixed by the bolts 18 through the holes 10a. Further, the flanges 12, 12 facing each other outwardly have a clip band 19 from the outside at an intermediate position between the corners.
Bite, insert wedge 20 into the gap, and fix it (15th
(See Fig. 16). Figures 13a to 13e show clip bands.
The details of 19 are shown, and the flange insertion portion 19a is formed by projecting only one side at the back with a band bent in a substantially inverted U shape, and the groove 19b is provided in the width direction inside the vicinity of the end on the other side. There is.
In the figure, 19c indicates a reinforcing rib.
また，クサビ20は第14a図〜第14c図に示すように一端
にストッパー20aを突設し、全体を徐々に先細りになる
ようにテーパー状に形成するとともにストッパー20aと
同じ側の途中に角のない抜け出し防止用の爪20bを突設
した。As shown in FIGS. 14a to 14c, the wedge 20 is provided with a stopper 20a at one end so as to form a tapered shape so that the whole is gradually tapered, and a corner is formed on the same side as the stopper 20a. There is no protruding claw 20b protruding.
このようにして第15図に示すように、クリップバンド
19の挿入部19aにフランジ12の一方を差し入れ、溝19bを
ガイドとしてクサビ20を押込んで、該クリップバンド19
がストッパー20aと爪20bに収まるよにすればクサビ20は
フランジ２とクサビ間に介在し全体はしっかりと固定さ
れる。Thus, as shown in Fig. 15, the clip band
One of the flanges 12 is inserted into the insertion portion 19a of 19 and the wedge 20 is pushed in using the groove 19b as a guide so that the clip band 19
As long as it fits in the stopper 20a and the claw 20b, the wedge 20 is interposed between the flange 2 and the wedge and the whole is firmly fixed.
以上述べたように本発明のダクトはダクト本体の組立
て、ダクト本体への軽量フランジの取付け、及びフラン
ジを介してのダクト相互の接続などで溶接やボルトやビ
スをほとんど使用せずにすむようになる。従って、ボル
ト等の止め具のために多くの穴を開けたり圧着したりす
る作業が不要となり、また嵌め込みでワンタッチで行え
るので組立ての工程数や労力を削減し、迅速かつ簡易に
作業を行って省力化を図ることができるものである。As described above, the duct of the present invention requires little welding or bolts and screws for assembling the duct body, attaching a lightweight flange to the duct body, and connecting the ducts via the flange. . Therefore, it is not necessary to open and crimp many holes for fasteners such as bolts, and since it can be done with one touch with fitting, the number of assembly steps and labor can be reduced, and work can be done quickly and easily. It is possible to save labor.
また、組立て部分はすべて抜け出し防止の配慮がなさ
れているので、完成品は容易に分解しない堅牢なものが
得られる。In addition, since all the assembled parts are designed to prevent falling out, the finished product is a robust one that is not easily disassembled.
第１図は本発明のダクトの実施例を示す外観斜視図、第
２図は同上平面図、第３図は同上側面図、第４図はダク
ト本体の組立て状態を示す端面図、第5a図は膨出突起の
一例を示す断面図、第5b図は膨出突起の他例を示す断面
図、第６図は袋溝部分の縦断側面図、第７図は軽量フラ
ンジの分解正面図、第８図は軽量フランジのコーナー部
の拡大正面図、第９図は同側面図、第10図は軽量フラン
ジを構成するチャンネル部材の側面図、第11図は組立て
後の軽量フランジの正面図、第12図はダクト本体への軽
量フランジの取付けを示す側面図、第13a図はクリップ
バンドの正面図、第13b図は同上左側面図、第13c図は同
上右側面図、第13d図は同上平面図、第13e図は同上底面
図、第14a図はクサビの正面図、第14b図は同上側面図、
第14c図は同上平面図、第15図はダクト接続部の要部の
縦断側面図、第16図は同上平面図である。 １…ダクト本体、２…軽量フランジ 3a,4a…フランジ、5,6…立材 ７…膨出突起、８…袋溝 ９…係止片、10…コーナー金物 10a…ボルト穴、11…チャンネル部材 12…水平フランジ、13…下部フランジ 14…係止片、15…袋溝 16…膨出突起、17…パッキン 18…ボルト、19…クリップバンド 19a…フランジ挿入部、19b…溝 19c…リブ、20…クサビ 20a…ストッパー、20b…抜け出し防止用の爪 21…リベットFIG. 1 is an external perspective view showing an embodiment of the duct of the present invention, FIG. 2 is a plan view of the same as above, FIG. 3 is a side view of the same as above, and FIG. 4 is an end view showing the assembled state of the duct body, and FIG. Is a cross-sectional view showing an example of a bulging protrusion, FIG. 5b is a cross-sectional view showing another example of a bulging protrusion, FIG. 6 is a vertical sectional side view of a bag groove portion, and FIG. 7 is an exploded front view of a lightweight flange. 8 is an enlarged front view of a corner portion of the lightweight flange, FIG. 9 is a side view of the same, FIG. 10 is a side view of a channel member constituting the lightweight flange, and FIG. 11 is a front view of the lightweight flange after assembly. Fig. 12 is a side view showing the attachment of the lightweight flange to the duct body, Fig. 13a is a front view of the clip band, Fig. 13b is the same left side view, Fig. 13c is the same right side view, and Fig. 13d is the same plan view. Fig. 13e is a bottom view of the same as above, Fig. 14a is a front view of a wedge, and Fig. 14b is a side view of the same.
FIG. 14c is a plan view of the same as above, FIG. 15 is a vertical sectional side view of a main part of the duct connecting portion, and FIG. 16 is a plan view of the same. 1 ... Duct body, 2 ... Light weight flange 3a, 4a ... Flange, 5, 6 ... Standing material 7 ... Bulging protrusion, 8 ... Bag groove 9 ... Locking piece, 10 ... Corner metal fitting 10a ... Bolt hole, 11 ... Channel member 12 ... Horizontal flange, 13 ... Lower flange 14 ... Locking piece, 15 ... Bag groove 16 ... Bulging protrusion, 17 ... Packing 18 ... Bolt, 19 ... Clip band 19a ... Flange insertion part, 19b ... Groove 19c ... Rib, 20 … Wedges 20a… Stoppers, 20b… Claws to prevent slipping out 21… Rivet
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｆ１６Ｌ 23/026 23/028 (72)発明者 平田 知 神奈川県横浜市中区太田町４丁目51番地 鹿島建設株式会社横浜支店内 (72)発明者 濱田 照夫 神奈川県横浜市中区太田町４丁目51番地 鹿島建設株式会社横浜支店内 (56)参考文献 特開 昭52−72923（ＪＰ，Ａ) 実開 昭48−17954（ＪＰ，Ｕ) 実公 昭50−17096（ＪＰ，Ｙ２)─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification number Reference number within the agency FI Technical indication location F16L 23/026 23/028 (72) Inventor Satoshi Hirata 4-51 Ota-cho, Naka-ku, Yokohama-shi, Kanagawa Address Kashima Construction Co., Ltd. Yokohama Branch (72) Inventor Teruo Hamada 4-51 Ota-cho, Naka-ku, Yokohama-shi, Kanagawa Kashima Construction Co., Ltd. Yokohama Branch (56) Reference JP-A-52-72923 (JP, A) Actual Development Sho 48-17954 (JP, U) Actual Public Sho 50-17096 (JP, Y2)
Claims (1)
適宜間隔で形成し、他方の面材端を内側に沿わして折曲
げ、その先を折曲げて立上げ、さらにその先を少し内部
に折込んで袋溝を内側に形成し、かつ先端部をこの前記
袋溝内へ折込んで抜け出し防止用の係止片を形成し、前
記膨出突起がある一方の面材端部を前記他方の面材端の
袋溝内に挿入することにより全体を筒体に組立て、 かつ、この筒体の左右端部に膨出突起を周方向に適宜間
隔で形成し、一方、フランジ部材は角部にボルト穴が穿
設されたＬ形の板体であるコーナー金物とコ字形に折曲
げた直線状のチャンネル部材とからなり、チャンネル部
材は下部フランジの先端は折返し、さらにその先端を逆
方向に折曲げ、その先端を内部に少し折込んで抜け出し
防止用の係止片を有する袋溝として形成し、コーナー金
物の端をチャンネル部材の端に重ね合わせ、リベット等
で固定して枠体として形成し、前記膨出突起がある筒体
端部をフランジ部材のチャンネル部材の袋溝内に挿入す
ることによりフランジ部材をダクト端部に取付け、 このようにしてフランジ部材付きのダクト本体１を相互
に突き合せて相接合するフランジ部材間は角部は前記ボ
ルト穴を介してボルトで止め、また、お互いに外側に向
き合うフランジには前記角部相互の中間位置で外側か
ら、略逆Ｕ字形に曲げられた帯体で奥が一方のみに突出
してフランジ挿入部が形成され、他方側の端部近接の内
側には巾方向に溝を設けたクリップバンドをかませ、隙
間に、一端にストッパーを突設し、全体を徐々に先細り
になるようにテーパー状に形成するとともにストッパー
と同じ側の途中に角のない抜け出し防止用の爪を突設し
たクサビを挿入して固定したことを特徴としたダクト。1. A bulging projection is formed at an appropriate interval on one end of adjacent face materials, the other face material is bent along the inner side, and the tip is bent to stand up. Fold the tip slightly inward to form a bag groove inside, and fold the tip into this bag groove to form a locking piece for preventing slip-out. Part is inserted into the bag groove at the end of the other face material to assemble the whole into a tubular body, and bulging projections are formed at appropriate intervals in the circumferential direction at the left and right end portions of this tubular body. The member is composed of a corner metal member, which is an L-shaped plate body having bolt holes formed at its corners, and a linear channel member bent in a U-shape. Bend in the opposite direction and slightly fold the tip inside to have a locking piece to prevent it from coming out. Formed as a bag groove, the end of the corner metal fitting is overlapped with the end of the channel member, and fixed with rivets or the like to form a frame body, and the end portion of the tubular body having the bulging projection is a bag of the channel member of the flange member. The flange member is attached to the end portion of the duct by inserting it into the groove, and the corner portions between the flange members that are mutually abuttingly joined to each other in the duct body 1 with the flange member are bolted through the bolt holes. The flanges that face each other outwardly are formed with a flange insertion portion that protrudes from one side to the other side from the outside at the intermediate position between the corners and is bent in a substantially inverted U shape from the outside, and the other side. The clip band with a groove in the width direction is bited inside the vicinity of the end on the side, a stopper is protrudingly provided at one end in the gap, and the taper shape is formed so that the whole taper gradually. A duct characterized by inserting and fixing a wedge with a protruding protrusion that has no corners on the same side as the topper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017069A JPH0812014B2 (en) | 1990-01-26 | 1990-01-26 | duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017069A JPH0812014B2 (en) | 1990-01-26 | 1990-01-26 | duct |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58250317A Division JPS60138351A (en) | 1983-12-26 | 1983-12-26 | Duct and connection part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02223759A JPH02223759A (en) | 1990-09-06 |
| JPH0812014B2 true JPH0812014B2 (en) | 1996-02-07 |
Family
ID=11933699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017069A Expired - Lifetime JPH0812014B2 (en) | 1990-01-26 | 1990-01-26 | duct |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0812014B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10046935B4 (en) * | 2000-09-21 | 2004-04-15 | Thermo King Deutschland Gmbh | Heating and possibly air conditioning unit for commercial vehicles, e.g. B. Buses |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4817954U (en) * | 1971-07-07 | 1973-02-28 | ||
| DE2556167A1 (en) * | 1975-12-13 | 1977-06-16 | Guenter Smitka | FLANGE CONNECTIONS FOR MUTUAL FASTENING OF MORE RECTANGULAR CHANNEL SECTIONS MADE OF SHEET METAL, ESPECIALLY FOR HIGH-PRESSURE VENTILATION SYSTEMS |
-
1990
- 1990-01-26 JP JP2017069A patent/JPH0812014B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02223759A (en) | 1990-09-06 |
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