JP2009036463A - Plate material assembly duct - Google Patents

Plate material assembly duct Download PDF

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Publication number
JP2009036463A
JP2009036463A JP2007201676A JP2007201676A JP2009036463A JP 2009036463 A JP2009036463 A JP 2009036463A JP 2007201676 A JP2007201676 A JP 2007201676A JP 2007201676 A JP2007201676 A JP 2007201676A JP 2009036463 A JP2009036463 A JP 2009036463A
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Prior art keywords
duct
base material
joint
concave
shape
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JP5111971B2 (en
Inventor
Akira Yamazaki
章 山崎
Hidenobu Matsuo
秀信 松尾
Hiroshi Furuta
拓 古田
Hitoshi Kawakami
仁 川上
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Taisei Corp
Kurimoto Ltd
Rengo Co Ltd
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Taisei Corp
Kurimoto Ltd
Rengo Co Ltd
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Priority to JP2007201676A priority Critical patent/JP5111971B2/en
Priority to KR1020080074508A priority patent/KR20090013700A/en
Publication of JP2009036463A publication Critical patent/JP2009036463A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02Ducting arrangements
    • F24F13/0245Manufacturing or assembly of air ducts; Methods therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02Ducting arrangements
    • F24F13/0263Insulation for air ducts

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Duct Arrangements (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a plate material assembling duct with ease of connection, by restraining the quantity of material used, while securing sealability. <P>SOLUTION: This duct is assembled by joining a soft plate-like base material having the thickness. A joining part of the base material is formed as a structure of meshing a projection part 6 and a recessed part 7 by alternately repeatedly forming the projection part 6 and the recessed part 7 on the joining edge. A width of the projection part 6 of the joining edge is formed larger than a width of the recessed part 7, and the projection part 6 is pressed in the recessed part 7. The base material is formed by laminating a corrugated board 2 being a core material by aluminum foil 3, and sealing the joining part with an aluminum tape 9. The duct is formed by bending the base material in a square cylindrical shape along a ruled line, and a plurality of base materials are joined, and are assembled as a joint of a bending shape of a flow passage, a branching shape or a changing shape of a cross section. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

この発明は、段ボール、フェノール樹脂、ウレタン、グラスウール等の厚みを有する軟質板状の基材から組み立てられ、空調用や換気用として設置されるダクトに関する。   The present invention relates to a duct that is assembled from a soft plate-like base material having a thickness such as corrugated cardboard, phenol resin, urethane, glass wool, and the like, and is installed for air conditioning or ventilation.

近年、軽量で施工性や断熱性に優れ、撤去時の廃棄も容易な段ボール製のダクトが注目されている。このようなダクトの一例として、下記特許文献1には、段ボール板から成る基材を罫線沿いに角筒状に折り曲げて、その一面に継代部を重ね合わせると共に、段差を解消する補助部材を貼り付け、接続用のテープを貼り易くしたものが記載されている。   In recent years, corrugated ducts that are lightweight, excellent in workability and heat insulation, and easy to dispose of when removed are drawing attention. As an example of such a duct, the following Patent Document 1 discloses an auxiliary member that bends a base material made of a corrugated board into a rectangular tube shape along a ruled line, overlaps a passage portion on one surface, and eliminates a step. It describes what has been made easier to apply affixing and connecting tapes.

また、下記特許文献2には、罫線沿いに角筒状に折り曲げた基材を、その一面で稜線間に亘って全面的に重ね合わせ、粘着テープを巻き付けて形成した段ボール製ダクトが記載されている。   Patent Document 2 below describes a corrugated duct formed by superposing a base material bent into a rectangular tube shape along a ruled line over the entire surface across the ridgeline and winding an adhesive tape. Yes.

また、特許文献3においては、アルミ箔でコーティングした基材を、罫線沿いに角筒状に折り曲げて、その一面の内側に継代部を重ね合わせ、締結クリップで固定することにより接合し、接合部の外側をアルミテープでシールしたものが提案されている。   Further, in Patent Document 3, the base material coated with aluminum foil is bent into a rectangular tube shape along the ruled line, and the joint portion is overlapped on the inner side of the surface and fixed with a fastening clip. A device in which the outside of the portion is sealed with aluminum tape has been proposed.

特開2006−29681号公報JP 2006-29681 A 特開2006−29682号公報JP 2006-29682 A 特開2007−147185号公報JP 2007-147185 A

しかしながら、上記特許文献1,2に記載のものでは、角筒状のダクトの一面が全面的に二重となっているため、材料の段ボールの使用量が多くなり、重量やコストの点で不利になるという問題がある。   However, in the ones described in Patent Documents 1 and 2, since one surface of the rectangular tube duct is entirely double, the amount of material corrugated cardboard is increased, which is disadvantageous in terms of weight and cost. There is a problem of becoming.

また、特許文献3に記載のものでは、内周に継代部による段差が生じるため、小径のダクトを開口端に挿入してダクト同士を接続することが困難になり、継代部の長さも必要であることから、材料の使用量もあまり削減できないという問題がある。   Moreover, in the thing of patent document 3, since the level | step difference by a passage part arises in an inner periphery, it becomes difficult to insert a small diameter duct in an opening end, and to connect ducts, and the length of a passage part also becomes Since it is necessary, there is a problem that the amount of material used cannot be reduced so much.

そこで、この発明は、シール性を確保しつつ、材料の使用量を抑制でき、接続も容易な板材組立ダクトを提供することを課題とする。   Accordingly, an object of the present invention is to provide a plate assembly duct that can suppress the amount of material used and can be easily connected while ensuring sealing performance.

上記課題を解決するため、この発明では、厚みを有する軟質板状の基材を接合して組み立てたダクトにおいて、基材の接合部は、接合縁に凸部と凹部とを交互に繰り返して形成し、その凸部と凹部とを噛み合わせた構造とし、また、接合縁の凸部の幅を、凹部の幅より大きくして、凸部を凹部に圧入し、或いは、接合縁の凸部を先広がりの台形状とし、凹部を奥広がりの台形状としたのである。   In order to solve the above-described problems, in the present invention, in a duct assembled by joining soft plate-like base materials having a thickness, the joint portion of the base material is formed by alternately repeating convex portions and concave portions on the joint edge. The convex portion and the concave portion are engaged with each other, and the width of the convex portion of the joint edge is made larger than the width of the concave portion, and the convex portion is press-fitted into the concave portion, or the convex portion of the joint edge is The trapezoidal shape is widened forward, and the concave portion is trapezoidal in the back.

また、基材の芯材として段ボールを使用し、芯材をアルミ箔でラミネートし、接合部をアルミテープでシールしたのである。   Also, corrugated cardboard was used as the core material of the base material, the core material was laminated with aluminum foil, and the joint was sealed with aluminum tape.

そして、基材を罫線に沿って角筒状に折り曲げることによりダクトを形成し、また、複数枚の基材を接合して、流路が曲がる形状、分岐する形状又は断面が変化する形状の継手に組み立てたのである。   Then, a duct is formed by bending the base material into a square tube shape along the ruled line, and a joint having a shape in which the flow path bends, branches or cross-section changes by joining a plurality of base materials. It was assembled.

また、流路の曲がり部の内側壁となる基材の屈曲位置の凸部を、天壁及び底壁となる基材の凹部で挟み込み、流路の曲がり部の外側壁となる基材の屈曲位置の凹部に、天壁及び底壁となる基材の凸部を圧入したのである。   In addition, the bent portion of the base material that becomes the inner wall of the bent portion of the flow path is sandwiched between the concave portions of the base material that becomes the top wall and the bottom wall, and the bent portion of the base material that becomes the outer wall of the bent portion of the flow path The convex part of the base material used as the top wall and the bottom wall was press-fitted into the concave part at the position.

また、異径のダクトを挿入して多重構造にし、大径ダクトと小径ダクトとを軸方向にずらし、大径ダクトから突出した小径ダクトを、隣接する多重ダクトの大径ダクトに挿入して接続したのである。   Also, ducts with different diameters are inserted to make a multiple structure, the large diameter duct and the small diameter duct are shifted in the axial direction, and the small diameter duct protruding from the large diameter duct is inserted into the large diameter duct of the adjacent multiple duct and connected. It was.

この発明に係る板材組立ダクトでは、接合縁の凸部と凹部の噛合により、基材を重ね合わせることなく接合するので、接合部に段差が生じることがなく、テープを容易に貼り付けて、高いシール性を得ることができ、不燃性や断熱性を確保することができる。   In the plate material assembly duct according to the present invention, the base material is joined without overlapping by meshing the convex part and concave part of the joint edge, so that there is no step in the joint part, and the tape can be easily attached and high. Sealability can be obtained, and nonflammability and heat insulation can be ensured.

また、継代部が不要であることから、材料の段ボールの使用量を抑制して、軽量化を図ることができると共に、コストを低減することができる。   In addition, since the passage portion is unnecessary, the amount of corrugated cardboard used can be suppressed, the weight can be reduced, and the cost can be reduced.

さらに、大径ダクトに小径ダクトを挿入し、多重構造にして断熱性を高めたり、相互に挿入してダクト同士を接続したりすることも容易となる。   Furthermore, it becomes easy to insert a small-diameter duct into a large-diameter duct to increase the heat insulation property by using a multiple structure, or to connect the ducts by mutual insertion.

まず、この発明の第1実施形態として、四角筒状の直管ダクトについて、図1乃至図5を参照しつつ説明する。   First, as a first embodiment of the present invention, a rectangular tubular straight pipe duct will be described with reference to FIGS. 1 to 5.

図1に示すように、この直管ダクトDは、1枚の基材1から構成される。基材1は、A段とB段等、大小の段目の層が積層された複両面段ボール2を主たる材料として製造される。ここで、段目とは、段ボールの中しんの波形のことをいい、段目の方向は、中しんの段頂の延びる方向で表すものである。   As shown in FIG. 1, the straight pipe duct D is composed of a single base material 1. The base material 1 is manufactured using a double-sided corrugated cardboard 2 in which large and small layers such as A-stage and B-stage are laminated as a main material. Here, the corrugation means a corrugated corrugation of the corrugated cardboard, and the corrugation direction is represented by the direction in which the corrugation of the corrugation extends.

基材1の段ボール2の両面には、接着剤、例えば熱可塑性樹脂であるポリエチレンを介してアルミニウムを薄く延ばしたアルミ箔3がラミネートされ、アルミ箔3の表面は、ニトロセルロース系樹脂のニス等の耐熱性を有する塗料でコーティングされている。   On both surfaces of the corrugated cardboard 2 of the base material 1, an aluminum foil 3 obtained by thinly extending aluminum through an adhesive, for example, polyethylene, which is a thermoplastic resin, is laminated, and the surface of the aluminum foil 3 has a nitrocellulose resin varnish or the like. It is coated with a heat-resistant paint.

この基材1には、図2に展開状態で示すように、段ボール2の段目に直交する罫線4を介して4枚の側板5が形成されている。そして、両端の側板5の接合縁には、凸部6と凹部7とが交互に繰り返して形成されている。   As shown in a developed state in FIG. 2, four side plates 5 are formed on the base material 1 via ruled lines 4 that are orthogonal to the steps of the cardboard 2. And the convex part 6 and the recessed part 7 are repeatedly formed in the joining edge of the side plate 5 of both ends alternately.

ここで、図3に示すように、凸部6の幅αは、凹部7の幅αと同じか、それより大きくしておく。この幅α,αが等しければ、後述する組立時に、凸部6と凹部7とを容易に噛み合わせることができるが、段ボールの性質を利用してシール性を高めるには、幅αを幅αより大きく設定して、凸部6が潰れながら凹部7に圧入されるようにしておくとよい。 Here, as shown in FIG. 3, the width α 1 of the convex portion 6 is equal to or larger than the width α 2 of the concave portion 7. If the widths α 1 and α 2 are equal, the convex portion 6 and the concave portion 7 can be easily meshed at the time of assembly, which will be described later. However, in order to improve the sealing performance by utilizing the properties of the cardboard, the width α 1 Is set to be larger than the width α 2 so that the convex portion 6 is pressed into the concave portion 7 while being crushed.

また、接続部分の外面を平坦にするため、凸部6の突出量βと凹部7の切込量βとは、基材1の厚さtと略同一に設定しておくとよい。 Further, in order to make the outer surface of the connecting portion flat, the protruding amount β 1 of the convex portion 6 and the cutting amount β 2 of the concave portion 7 are preferably set to be substantially the same as the thickness t of the base material 1.

また、段ボール2の外端縁は、粘着層及びアルミニウム層を有するアルミテープ8でシールするが、この作業は、組立時に行うようにしてもよい。   Further, the outer edge of the cardboard 2 is sealed with an aluminum tape 8 having an adhesive layer and an aluminum layer, but this operation may be performed during assembly.

このような基材1からダクトを組み立てるには、図1に示すように、基材1を罫線4に沿って角筒状に折り曲げ、直交する両端の側板5の凸部6と凹部7とを噛み合わせて、基材1を接合し、接合部をアルミテープ9でシールする。   In order to assemble a duct from such a base material 1, as shown in FIG. 1, the base material 1 is bent into a rectangular tube shape along the ruled line 4, and the convex portions 6 and the concave portions 7 of the side plates 5 at both ends orthogonal to each other are formed. The base material 1 is joined by meshing, and the joint portion is sealed with the aluminum tape 9.

このとき、基材1を段目の小さい層が外面側となるように折り曲げると、空気層の潰れが極力防止され、外面側の平滑性も向上し、クラックの発生も防止される。   At this time, if the base material 1 is bent so that the small step layer is on the outer surface side, the air layer is prevented from being crushed as much as possible, the smoothness on the outer surface side is improved, and the occurrence of cracks is also prevented.

また、断面寸法が大きい場合などには、形状を安定させるため、内部に金属製角環の補強部材10を挿入してもよい。   In addition, when the cross-sectional dimension is large, a metal square ring reinforcing member 10 may be inserted therein in order to stabilize the shape.

このような直管のダクトDでは、凸部6と凹部7の噛合により、基材1を重ね合わせることなく接合するので、接合部に段差が生じることがなく、アルミテープ9を容易に貼り付けて、高いシール性を得ることができ、不燃性や断熱性を確保することができる。   In such a straight pipe duct D, the base material 1 is joined without being overlapped by the engagement of the convex portion 6 and the concave portion 7, so that there is no step in the joint portion, and the aluminum tape 9 is easily attached. Thus, high sealing performance can be obtained, and nonflammability and heat insulation can be ensured.

また、継代部が不要であることから、材料の段ボールの使用量を抑制して、軽量化を図ることができると共に、コストを低減することができる。   In addition, since the passage portion is unnecessary, the amount of corrugated cardboard used can be suppressed, the weight can be reduced, and the cost can be reduced.

さらに、図4に示すように、異径のダクトD,Dを挿入し、多重構造にすることもできる。これにより、断熱性を高めることができ、面強度も強化されて、内圧が高い条件下でも使用することができる。 Furthermore, as shown in FIG. 4, ducts D L and D S having different diameters can be inserted to form a multiple structure. Thereby, heat insulation can be improved, surface strength is also strengthened, and it can be used even under conditions with high internal pressure.

このとき、ダクトD,Dの基材1の接合部は、重ならない稜部に配置すると、シール性が高められる。また、段ボール2をラミネートするアルミ箔3の層は、ダクトDの内周面とダクトDの外周面に設けるだけでよい。 In this case, the junction of the duct D L, the substrate 1 of the D S is, placing the edge portion that does not overlap, the sealing property is enhanced. The layer of aluminum foil 3 laminated cardboard 2 need only provided on the inner and outer peripheral surfaces of the duct D L of the duct D S.

また、大径ダクトDと小径ダクトDとを軸方向にずらした状態で固定すると、大径ダクトDから突出した小径ダクトDを、隣接する多重ダクトの大径ダクトDに挿入して、ダクト同士を接続することができる。 Also, when fixed in a state shifted a large diameter duct D L and a small-diameter duct D S in the axial direction, inserting the small diameter ducts D S protruding from the large-diameter duct D L, a large-diameter duct D L adjacent multiple duct Thus, the ducts can be connected to each other.

そのほか、図5に示すように、筒状の接続部材11を挿入してダクトD同士を接続することも容易となる。この接続部材11は、ダクトと同様の段ボール製とすればよく、金属製としてもよい。   In addition, as shown in FIG. 5, it is easy to connect the ducts D by inserting the cylindrical connection member 11. The connecting member 11 may be made of corrugated cardboard similar to the duct, or may be made of metal.

次に、この発明の第2実施形態として、流路を曲げるエルボ型の継手ダクトについて、図6及び図7を参照しつつ、上記実施形態と異なる特徴部分を中心に説明する。   Next, as a second embodiment of the present invention, an elbow joint duct that bends the flow path will be described with reference to FIGS.

図6に示すように、この継手ダクトEは、天壁及び底壁となるL字状の基材21と、内側壁となる基材22と、外側壁となる基材23とから構成される。基材21,22,23は、それぞれ段ボール2の両面にアルミ箔3をラミネートしたものとされている。   As shown in FIG. 6, the joint duct E includes an L-shaped base material 21 serving as a top wall and a bottom wall, a base material 22 serving as an inner wall, and a base material 23 serving as an outer wall. . The base materials 21, 22, and 23 are each formed by laminating aluminum foil 3 on both surfaces of the cardboard 2.

基材22,23には、図7に示すように、縦方向の罫線4がそれぞれ入れられ、基材21の屈曲した内外の接続縁と、基材22,23の上下の接続縁には、それぞれ凸部6と凹部7とが交互に繰り返して形成されている。   As shown in FIG. 7, vertical ruled lines 4 are respectively inserted in the base materials 22 and 23, and the inner and outer connection edges of the base material 21 and the upper and lower connection edges of the base materials 22 and 23 are The convex portions 6 and the concave portions 7 are alternately and repeatedly formed.

このような基材21,22,23から継手ダクトEを組み立てるには、図6に示すように、基材22,23を罫線4に沿って屈曲させつつ、凸部6と凹部7とを噛み合わせて、基材21と基材22,23とを接合し、接合部をアルミテープ9でシールする。   In order to assemble the joint duct E from such base materials 21, 22, and 23, as shown in FIG. 6, the base portions 22 and 23 are bent along the ruled line 4 and the convex portions 6 and the concave portions 7 are bitten. In addition, the base material 21 and the base materials 22 and 23 are joined, and the joint portion is sealed with the aluminum tape 9.

このような継手ダクトEでは、両端の接続口が内部で連通し、各接続口にダクトD等の構成部材を差し込んで接続することにより、ダクトの流路を直角に曲げて、流れ方向を変えることができる。   In such a joint duct E, the connection ports at both ends communicate with each other inside, and by inserting and connecting components such as the duct D to each connection port, the flow path of the duct is bent at a right angle to change the flow direction. be able to.

また、内側壁となる基材22の屈曲位置の凸部6を、天壁及び底壁となる基材21の凹部7で挟み込み、外側壁となる基材23の屈曲位置の凹部7に、基材21の凸部6を圧入すると、流路の密閉性を高めることができる。   Further, the convex portion 6 at the bending position of the base material 22 serving as the inner wall is sandwiched between the concave portions 7 of the base material 21 serving as the top wall and the bottom wall, and the base portion 23 is inserted into the concave portion 7 at the bending position of the base material 23 serving as the outer wall. When the convex portion 6 of the material 21 is press-fitted, the airtightness of the flow path can be improved.

次に、この発明の第3実施形態として、流路を分岐させるT型の継手ダクトについて、図8を参照しつつ、上記実施形態と異なる特徴部分を中心に説明する。   Next, as a third embodiment of the present invention, a T-type joint duct for branching a flow path will be described with reference to FIG.

この継手ダクトFは、2枚のT字状平面の基材31と、背壁となる基材32と、隅壁となる基材33,34とから構成される。基材31乃至34は、それぞれ段ボール2の両面にアルミ箔3をラミネートしたものとされている。   The joint duct F includes two T-shaped flat base materials 31, a base material 32 serving as a back wall, and base materials 33 and 34 serving as corner walls. Each of the base materials 31 to 34 is formed by laminating aluminum foil 3 on both surfaces of the cardboard 2.

基材33,34には、それぞれ縦方向の罫線4が入れられ、基材31の背側及び隅部の接続縁と、基材32,33,34の上下の接続縁には、それぞれ凸部6と凹部7とが交互に繰り返して形成されている。   The base lines 33 and 34 are respectively provided with vertical ruled lines 4, and convex portions are formed on the connection edges on the back side and corners of the base material 31 and on the upper and lower connection edges of the base materials 32, 33 and 34, respectively. 6 and recesses 7 are formed alternately and repeatedly.

このような基材31乃至34から継手ダクトFを組み立てるには、基材33,34を罫線4に沿って屈曲させつつ、基材31と基材32,33,34とを、それぞれ凸部6と凹部7とを噛み合わせて接合し、接合部をアルミテープ9でシールする。   In order to assemble the joint duct F from such base materials 31 to 34, the base material 31 and the base materials 32, 33, and 34 are respectively connected to the convex portion 6 while bending the base materials 33 and 34 along the ruled line 4. And the recess 7 are engaged and joined, and the joined portion is sealed with an aluminum tape 9.

このような継手ダクトFでは、3方の接続口が内部で連通し、各接続口にダクトD等の構成部材を差し込んで接続することにより、ダクトの流路を分岐させることができ、多様な流路を構成することができる。   In such a joint duct F, the three connection ports communicate with each other inside, and by inserting and connecting components such as the duct D to the connection ports, the flow paths of the duct can be branched. A flow path can be configured.

次に、この発明の第4実施形態として、流路の断面を変化させる絞り継手ダクトについて、図9を参照しつつ、上記実施形態と異なる特徴部分を中心に説明する。   Next, as a fourth embodiment of the present invention, a throttle joint duct that changes the cross section of the flow path will be described with reference to FIG.

この継手ダクトGは、中間部でテーパ状に幅が変化する各2枚の基材41,42から構成される。基材41,42は、それぞれ段ボール2の両面にアルミ箔3をラミネートしたものとされている。   The joint duct G is composed of two base materials 41 and 42 each having a tapered width at an intermediate portion. The base materials 41 and 42 are formed by laminating the aluminum foil 3 on both surfaces of the cardboard 2.

基材41,42には、それぞれテーパー部分を区画する縦方向の罫線4が入れられ、基材41,42の両側の接続縁には、それぞれ凸部6と凹部7とが交互に繰り返して形成されている。   Each of the base materials 41 and 42 is provided with a vertical ruled line 4 that divides a tapered portion, and convex portions 6 and concave portions 7 are alternately and repeatedly formed on connection edges on both sides of the base materials 41 and 42, respectively. Has been.

このような基材41,42から継手ダクトGを組み立てるには、基材41,42を罫線4に沿って屈曲させつつ、凸部6と凹部7とを噛み合わせて、各2枚の基材41,42を角筒状に接合し、接合部をアルミテープ9でシールする。   In order to assemble the joint duct G from such base materials 41, 42, the base materials 41, 42 are bent along the ruled line 4, and the convex portion 6 and the concave portion 7 are engaged with each other, so that two base materials are provided. 41 and 42 are joined in a rectangular tube shape, and the joint is sealed with aluminum tape 9.

このような継手ダクトGでは、大きさの異なる両端の接続口が内部で連通し、各接続口に大径ダクトDと小径ダクトDとをそれぞれ差し込んで接続することにより、ダクトの流路断面積を変化させることができる。 In such joint duct G, communicating different ends of the connection opening sizes is internally by connecting insert respectively a large-diameter duct D L and a small-diameter duct D S to each connection port, the flow path of the duct The cross-sectional area can be changed.

なお、ここでは、流路の断面積を変化させる継手ダクトについて例示したが、断面積は変化せず、断面形状が変化する継手ダクトを、上述の構成を応用し、同様の接合構造により形成することもできる。   In addition, although illustrated about the joint duct which changes the cross-sectional area of a flow path here, a cross-sectional area does not change and the joint duct from which a cross-sectional shape changes is applied by the above-mentioned structure, and it forms with the same joining structure. You can also.

次に、第5実施形態として、断面形状が台形の直管ダクトについて、図10を参照しつつ、上記実施形態と異なる特徴部分を中心に説明する。   Next, as a fifth embodiment, a straight pipe duct having a trapezoidal cross-sectional shape will be described with reference to FIG.

このダクトHは、1枚の基材51から構成され、基材51は、段ボール2の両面にアルミ箔3をラミネートしたものとされている。   The duct H is composed of a single base material 51, and the base material 51 is formed by laminating the aluminum foil 3 on both surfaces of the cardboard 2.

基材51には、段ボール2の段目に直交する罫線4が入れられて、上板52、下板53及び一対の側板54が形成されている。上板52は下板53よりも幅が広く、各側板54には、空気の吹出口55が設けられている。基材51の両端となる上板52及び一方の側板54の接合縁には、凸部6と凹部7とが交互に繰り返して形成されている。   The base 51 is provided with ruled lines 4 orthogonal to the steps of the cardboard 2 to form an upper plate 52, a lower plate 53, and a pair of side plates 54. The upper plate 52 is wider than the lower plate 53, and each side plate 54 is provided with an air outlet 55. Convex portions 6 and concave portions 7 are alternately and repeatedly formed at the joining edge of the upper plate 52 and one side plate 54 which are both ends of the substrate 51.

このような基材51からダクトHを組み立てるには、基材51を罫線4に沿って台形断面の角筒状に折り曲げ、凸部6と凹部7とを噛み合わせて、基材51を接合し、接合部をアルミテープ9でシールする。   In order to assemble the duct H from such a base material 51, the base material 51 is bent along the ruled line 4 into a square tube shape having a trapezoidal cross section, the convex portions 6 and the concave portions 7 are engaged, and the base material 51 is joined. The joint is sealed with aluminum tape 9.

このような台形断面のダクトHでは、吹出口55から斜め下方へ向けて空気を吹き出すことができるので、天井に設置した状態で、効率よく室内を冷暖房することができる。   In such a trapezoidal-shaped duct H, air can be blown obliquely downward from the air outlet 55, so that the room can be efficiently cooled and heated while installed on the ceiling.

なお、ここでは、台形断面のダクトについて例示したが、五角形や六角形断面のダクトについても、同様の接合構造を採用できる。そして、現場で組み立てる場合、展開状態又は二つ折りにして、嵩張らない状態で現場へ搬入できる。   In addition, although illustrated about the trapezoidal-section duct here, the same joining structure is employable also about the pentagonal or hexagonal-section duct. And when assembling on the spot, it can be carried into the spot in an unfolded state or folded in two and not bulky.

また、上記各実施形態では、凸部6及び凹部7として、基端から先端まで幅が同一の四角形状のものを示しているが、図11に示すように、凸部6を先広がりの台形状とし、凹部7を奥広がりの台形状とし、凸部6の先端の幅αが凹部7の開口の幅αよりも広くなるようにしてもよい。 In each of the above embodiments, the convex portion 6 and the concave portion 7 are shown in a rectangular shape having the same width from the proximal end to the distal end. However, as shown in FIG. Alternatively, the recess 7 may have a trapezoidal shape with a depth, and the width α 3 of the tip of the protrusion 6 may be wider than the width α 4 of the opening of the recess 7.

この場合、図12に示すように、基材1同士を接合したとき、凸部6の両側部分が変形しつつ凹部7でくわえ込まれて、凹部7から凸部6が抜けにくくなり、引張力に対抗し得る確実な接合が可能となる。   In this case, as shown in FIG. 12, when the base materials 1 are bonded to each other, both side portions of the convex portion 6 are sandwiched by the concave portion 7 while being deformed, and the convex portion 6 is difficult to be removed from the concave portion 7, and the tensile force Therefore, it is possible to achieve a reliable bonding that can counteract the above.

この発明の第1実施形態に係る直管ダクトの斜視図The perspective view of the straight pipe duct which concerns on 1st Embodiment of this invention 同上の基材の展開状態を示す図The figure which shows the expansion | deployment state of a base material same as the above 同上の凸部と凹部の寸法関係を示す(A)拡大平面図,(B)拡大断面図(A) Enlarged plan view, (B) Enlarged sectional view showing the dimensional relationship between the convex part and the concave part. 同上の多重構造とした例を示す斜視図A perspective view showing an example of a multiple structure as above 同上の接続部材の使用例を示す斜視図The perspective view which shows the usage example of a connection member same as the above この発明の第2実施形態に係るエルボ型継手ダクトの斜視図The perspective view of the elbow type joint duct which concerns on 2nd Embodiment of this invention 同上の基材の展開状態を示す図The figure which shows the expansion | deployment state of a base material same as the above この発明の第3実施形態に係るT型継手ダクトの斜視図A perspective view of a T-shaped joint duct according to a third embodiment of the present invention. この発明の第4実施形態に係る絞り継手ダクトの斜視図A perspective view of a throttle joint duct according to a fourth embodiment of the present invention. この発明の第5実施形態に係る台形直管ダクトの斜視図The perspective view of the trapezoid straight pipe duct which concerns on 5th Embodiment of this invention 凸部及び凹部の他の実施形態を示す拡大平面図The enlarged plan view which shows other embodiment of a convex part and a recessed part 同上の凸部と凹部による接合状態を示す拡大斜視図The enlarged perspective view which shows the joining state by the convex part and concave part same as the above

符号の説明Explanation of symbols

D 直管ダクト
1 基材
2 段ボール
3 アルミ箔
4 罫線
5 側板
6 凸部
7 凹部
8,9 アルミテープ
10 補強部材
11 接続部材
E エルボ型継手ダクト
21,22,23 基材
F T型継手ダクト
31,32,33,32 基材
G 絞り継手ダクト
41,42 基材
H 台形直管ダクト
51 基材
52 上板
53 下板
54 側板
55 吹出口
D Straight pipe duct 1 Base material 2 Corrugated board 3 Aluminum foil 4 Ruled line 5 Side plate 6 Convex part 7 Concave part 8 and 9 Aluminum tape 10 Reinforcement member 11 Connection member E Elbow type joint duct 21, 22, 23 Base material FT type joint duct 31 , 32, 33, 32 Base material G Restriction joint duct 41, 42 Base material H Trapezoid straight pipe duct 51 Base material 52 Upper plate 53 Lower plate 54 Side plate 55 Air outlet

Claims (10)

厚みを有する軟質板状の基材を接合して組み立てたダクトにおいて、基材の接合部は、接合縁に凸部と凹部とを交互に繰り返して形成し、その凸部と凹部とを噛み合わせた構造としたことを特徴とするダクト。   In ducts assembled by joining soft plate-like base materials with a thickness, base material joints are formed by alternately repeating convex parts and concave parts at the joint edge, and meshing the convex parts and concave parts. A duct characterized by its structure. 請求項1に記載のダクトにおいて、接合縁の凸部の幅を、凹部の幅より大きくして、凸部を凹部に圧入したことを特徴とするダクト。   The duct according to claim 1, wherein the width of the convex portion of the joint edge is made larger than the width of the concave portion, and the convex portion is press-fitted into the concave portion. 請求項1に記載のダクトにおいて、接合縁の凸部を先広がりの台形状とし、凹部を奥広がりの台形状としたことを特徴とするダクト。   The duct according to claim 1, wherein the convex portion of the joint edge has a trapezoidal shape that spreads forward, and the concave portion has a trapezoidal shape that spreads deeply. 請求項1乃至3のいずれかに記載のダクトにおいて、基材の芯材として段ボールを使用したことを特徴とするダクト。   The duct according to any one of claims 1 to 3, wherein corrugated cardboard is used as a core material of a base material. 請求項1乃至4のいずれかに記載のダクトにおいて、基材の芯材をアルミ箔でラミネートし、接合部をアルミテープでシールしたことを特徴とするダクト。   The duct according to any one of claims 1 to 4, wherein the core material of the base material is laminated with an aluminum foil, and the joint portion is sealed with an aluminum tape. 請求項1乃至5のいずれかに記載のダクトにおいて、基材を罫線に沿って角筒状に折り曲げることにより形成したことを特徴とするダクト。   6. The duct according to claim 1, wherein the duct is formed by bending a base material into a rectangular tube shape along a ruled line. 請求項1乃至5のいずれかに記載のダクトにおいて、複数枚の基材を接合して、流路が曲がる形状、分岐する形状又は断面が変化する形状の継手に組み立てたことを特徴とするダクト。   The duct according to any one of claims 1 to 5, wherein a plurality of base materials are joined and assembled into a joint having a shape in which a flow path bends, a shape that branches, or a shape in which a cross section changes. . 請求項7に記載のダクトにおいて、流路の曲がり部の内側壁となる基材の屈曲位置の凸部を、天壁及び底壁となる基材の凹部で挟み込み、流路の曲がり部の外側壁となる基材の屈曲位置の凹部に、天壁及び底壁となる基材の凸部を圧入したことを特徴とするダクト。   8. The duct according to claim 7, wherein the convex portion at the bending position of the base material that becomes the inner wall of the curved portion of the flow path is sandwiched between the concave portions of the base material that becomes the top wall and the bottom wall, and the outside of the curved portion of the flow path. A duct characterized in that a convex portion of a base material to be a top wall and a bottom wall is press-fitted into a concave portion of a bending position of the base material to be a wall. 請求項1乃至8のいずれかに記載のダクトにおいて、異径のダクトを挿入して多重構造にしたことを特徴とするダクト。   The duct according to any one of claims 1 to 8, wherein ducts having different diameters are inserted into a multiple structure. 請求項9に記載のダクトにおいて、大径ダクトと小径ダクトとを軸方向にずらし、大径ダクトから突出した小径ダクトを、隣接する多重ダクトの大径ダクトに挿入して接続したことを特徴とするダクト。   The duct according to claim 9, wherein the large diameter duct and the small diameter duct are shifted in the axial direction, and the small diameter duct protruding from the large diameter duct is inserted and connected to the large diameter duct of the adjacent multiple duct. Duct to do.
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Cited By (5)

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JP2011174680A (en) * 2010-02-25 2011-09-08 Kurimoto Ltd Air control port box
JP2015017746A (en) * 2013-07-10 2015-01-29 協立エアテック株式会社 Corrugated cardboard duct
JP2015223876A (en) * 2014-05-26 2015-12-14 株式会社ユーエイキャスター wheel
EP4269900A1 (en) * 2022-04-28 2023-11-01 Air'technologies Diffuser conduit for diffusing air conditioning

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JP2011174680A (en) * 2010-02-25 2011-09-08 Kurimoto Ltd Air control port box
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JP2015223876A (en) * 2014-05-26 2015-12-14 株式会社ユーエイキャスター wheel
EP4269900A1 (en) * 2022-04-28 2023-11-01 Air'technologies Diffuser conduit for diffusing air conditioning

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