JP6510778B2 - Runner for ceiling and lightweight steel ceiling structure - Google Patents
Runner for ceiling and lightweight steel ceiling structure Download PDFInfo
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- JP6510778B2 JP6510778B2 JP2014181912A JP2014181912A JP6510778B2 JP 6510778 B2 JP6510778 B2 JP 6510778B2 JP 2014181912 A JP2014181912 A JP 2014181912A JP 2014181912 A JP2014181912 A JP 2014181912A JP 6510778 B2 JP6510778 B2 JP 6510778B2
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- 229910000831 Steel Inorganic materials 0.000 title claims description 48
- 239000010959 steel Substances 0.000 title claims description 48
- 238000005452 bending Methods 0.000 claims description 30
- 239000000463 material Substances 0.000 description 32
- 230000001965 increasing effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000000725 suspension Substances 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Description
本発明は、軽量鉄骨の天井に用いられ、横方向を長手方向として内壁に取り付けられる天井用ランナー及びそれを用いた軽量鉄骨天井構造に関し、より詳細には、上辺部を無くすとともに側辺部上端の形状を工夫することにより剛性を高め、野縁の長手方向の端部を係止して天井材をビス止めする際の反力を得ることのできる天井用ランナー及びそれを用いた軽量鉄骨天井構造に関する。 The present invention relates to a runner for a ceiling that is used for a lightweight steel frame ceiling and is attached to an inner wall with the lateral direction as the longitudinal direction, and a lightweight steel ceiling structure using the same. Ceiling runner which can improve rigidity by devising its shape and obtain a reaction force at the time of screwing the ceiling material by locking the longitudinal end of the edge and a lightweight steel ceiling using the same On the structure.
従来、住宅やオフィスビルなどの天井構造としては、軽量鉄骨（ＬＧＳ：Light gauge steel）などからなる下地材に石膏ボードを貼り付け、ビス止めする軽量鉄骨の天井構造が知られている。 Conventionally, as a ceiling structure of a house, an office building, etc., a ceiling structure of a lightweight steel frame is known in which a plaster board is attached to a base material made of a light gauge steel (LGS) or the like and screwed.
この種の軽量鉄骨天井構造は、一般には、図１０に示すように、上階の床スラブや屋根などの支持材から吊り下がる吊りボルトに、野縁受けであるＣ形チャンネルがハンガーにより取り付けられ、このＣ形チャンネルに、野縁であるシングルバーやダブルバーがクリップ（図示せず）で掛け止められ、これらの野縁に、石膏ボードなどの天井ボード（図示せず）がビス止めされた構造となっている。 In this kind of lightweight steel ceiling structure, as shown in Fig. 10, a C-shaped channel, which is a field edge receiver, is generally attached by a hanger to a suspension bolt suspended from a support material such as a floor slab or roof on the upper floor. In this C-shaped channel, a single-bar or double-bar at the edge is hooked with a clip (not shown), and a ceiling board such as gypsum board (not shown) is screwed at the edge of these fields It has a structure.
しかしながら、天井スパンが比較的短い場合や壁際の天井ボードの固定を強化したい場合などは、一般に壁用の軽量鉄骨下地として用いられるランナーが内壁の側面に止め付けられ、内壁に止め付けられたランナー間に、角スタッドやダブルバーなどの野縁が嵌め込まれ、これらの野縁に天井ボードがビス止めされた、いわゆるブリッジ工法やＴ字工法による軽量鉄骨天井構造も知られている。 However, when the ceiling span is relatively short or when it is desired to strengthen the fixation of the ceiling board by the wall, a runner generally used as a lightweight steel foundation for the wall is fastened to the side of the inner wall and the runner is fastened to the inner wall There is also known a lightweight steel ceiling structure by so-called bridge method or T-shaped method, in which a field edge such as a square stud or a double bar is inserted and a ceiling board is screwed to the field edge.
例えば、特許文献１には、野縁２の両端部が、内壁に取り付けたランナー７で支持されるとともに、野縁２の中間部が、Ｃ形チャンネル（野縁受け３）やハンガーを介して、上階の床スラブなどから垂下する吊りボルト（吊り金具５）に支持された、いわゆるＴ字工法による軽量鉄骨天井構造及び一般的な従来のランナー７が開示されている（特許文献１の図面の図１等参照）。 For example, in Patent Document 1, both end portions of the field edge 2 are supported by the runner 7 attached to the inner wall, and the middle portion of the field edge 2 is via the C-shaped channel (field edge receiver 3) or a hanger. There is disclosed a light steel steel ceiling structure by a so-called T-shaped construction method and a general conventional runner 7 supported by a suspension bolt (suspension bracket 5) hanging down from a floor slab of an upper floor, etc. See Figure 1 etc.).
しかし、特許文献１に記載の従来のランナー７は、元来、スタッドを嵌め込む汎用品の壁用ランナーを天井構造に転用したものであり、スタッド等を嵌め込んだ際に左右にガタ付かないように断面コの字状の開口端が基端側より狭まっている。このため、軽量鉄骨天井を組み立てる際に、野縁や野縁受けを差し込むのが困難で、作業性が悪いという問題があった。 However, the conventional runner 7 described in Patent Document 1 originally uses a general-purpose product wall runner into which a stud is fitted for a ceiling structure, and does not rattle from side to side when the stud or the like is fitted. Thus, the open end of the U-shaped cross section is narrower than the proximal end. For this reason, when assembling a lightweight steel frame ceiling, it was difficult to insert a field edge or a field edge receiver, and there existed a problem that workability was bad.
また、特許文献２には、空調ダクトや電気配線ラックなどが障害となって内壁際に吊りボルト（ボルト５０）が設置できない場合、壁際のＣ形チャンネル（野縁受け４０）端部を固定するとともに、壁際に設置される野縁を兼用するランナ野縁１０及びそのランナ野縁１０を用いた軽量鉄骨天井構造が開示されている（特許文献２の図面の図１等参照）。 Further, according to Patent Document 2, when the air conditioning duct, the electric wiring rack, or the like becomes an obstacle and the suspension bolt (bolt 50) can not be installed at the inner wall, the end of the C-shaped channel (field edge receiver 40) by the wall is fixed. In addition, a runner steel rim 10 which doubles as a wood rim installed on the wall and a lightweight steel ceiling structure using the runner rim 10 are disclosed (see, eg, FIG. 1 of the drawings of Patent Document 2).
しかし、特許文献２に記載のランナ野縁１０は、形状が複雑で加工費等で単価が高くなるとともに、ランナ野縁１０を壁にビス止めしたうえ、ビス止めしたランナ野縁１０に野縁受け４０を差し込んで、その野縁受け４０を吊りボルト５０ごとに高さ調整してハンガー（受け金具５１）で固定しなければならず、作業性が良くないという問題があった。 However, the runner field edge 10 described in Patent Document 2 has a complicated shape and increases the unit cost due to processing costs etc., and the runner field edge 10 is screwed to the wall and the runaway field edge 10 is screwed. There is a problem that the workability is not good because the receptacle 40 has to be inserted, the height of the side rim receptacle 40 is adjusted for each of the suspension bolts 50 and fixed with the hanger (the receptacle 51).
また、前述のような従来のランナーに対する単価削減要請も強く、鋼材使用量（鋼材重量）を低減してコストパフォーマンスの高いランナーの開発も切望されていた。 In addition, there is also a strong demand for cost reduction for conventional runners as described above, and there is also a strong demand for the development of runners with high cost performance by reducing the amount of steel used (the weight of steel).
そこで、本発明は、上述した問題点に鑑みて案出されたものであり、その目的とするところは、天井用ランナーの機能を確保しつつ施工性を向上させるとともに、重量を低減してコストパフォーマンスの高い天井用ランナー及びそれを用いた軽量鉄骨天井構造を提供することにある。 Therefore, the present invention has been devised in view of the above-mentioned problems, and the purpose of the present invention is to improve the workability while securing the function of the runner for ceiling and reduce the weight and cost. An object of the present invention is to provide a high performance ceiling runner and a lightweight steel ceiling structure using the same.
第１発明に係る天井用ランナーは、軽量鉄骨の天井に用いられ、横方向を長手方向として内壁に取り付けられる天井用ランナーであって、鉛直断面において、横方向に延伸する下辺部と、この下辺部から上方へ延伸する側辺部と、この側辺部の上端から連続し、横方向に突出して野縁の長手方向の端部上面を係止する屈曲加工部と、を備え、前記屈曲加工部は、野縁の長手方向端部が当接する部分が前記側辺部の上端に長手方向に沿って連続する円筒状に曲面加工されていることを特徴とする。 The ceiling runner according to the first aspect of the present invention is a ceiling runner which is used for a lightweight steel frame ceiling and is attached to an inner wall with the lateral direction as the longitudinal direction, and in the vertical cross section, the lower side extending in the lateral direction, and the lower side includes a side portion extending from section upwardly, continuously from the upper end of the side portion, and a bent processed portion for engaging the longitudinal ends the upper surface of the cortex edge projecting laterally, said bending processing The portion is characterized in that the portion where the longitudinal end of the edge abuts is curved in a cylindrical shape in which the upper end of the side portion is continuous along the longitudinal direction .
第２発明に係る天井用ランナーは、第１発明に係る天井用ランナーにおいて、前記下辺部及び／又は前記側辺部は、剛性を高めるため、エンボス加工されていることを特徴とする。 A ceiling runner according to a second aspect of the present invention is the ceiling runner according to the first aspect, wherein the lower side portion and / or the side side portion is embossed in order to enhance rigidity.
第３発明に係る軽量鉄骨天井構造は、請求項１又は２に記載の天井用ランナーが用いられていることを特徴とする。 A lightweight steel frame structure according to a third aspect of the present invention is characterized in that the ceiling runner according to claim 1 or 2 is used.
第１発明〜第３発明によれば、天井用ランナーの上辺部を廃し、側辺部の上端から連続し、横方向に突出する屈曲加工部を設けたので、ビス止め等、従来機能上固定することのない上辺部を無くして全体重量を低減することができるとともに、屈曲加工部によりランナー全体の剛性低下を防いで、野縁に天井ボードをビス止めする際の適切な反力を得ることができる。このため、第１発明〜第３発明によれば、軽量鉄骨からなる天井の組立作業の作業効率を向上させることができるとともに、従来の上辺部を廃することで重量低減による部材コストの低廉化を実現することができコストパフォーマンスが向上する。 According to the first to third inventions, since the upper side portion of the ceiling runner is eliminated, and the bent portion continuously extending from the upper end of the side side portion and protruding in the lateral direction is provided, the conventional functional fixing such as screwing It is possible to reduce the overall weight by eliminating the upper side portion that does not have to go through, and to prevent the rigidity decrease of the entire runner by the bending portion, and to obtain an appropriate reaction force when screwing the ceiling board to the field edge Can. Therefore, according to the first to third inventions, it is possible to improve the work efficiency of the assembling work of the ceiling made of light weight steel frame, and to reduce the cost of the members by reducing the weight by eliminating the conventional upper side. The cost performance can be improved.
また、第１発明〜第３発明によれば、屈曲加工部の野縁の長手方向端部が当接する部分が長手方向に沿って連続的に曲面状又は円筒状に加工されているので、野縁を当該天井用ランナーに差し込むのが容易であり、軽量鉄骨天井の組立作業の作業性が向上する。また、第１発明〜第３発明によれば、屈曲加工部を曲面、又は円筒状に加工することにより天井用ランナーの剛性を確保することができるとともに、重量低減によるコスト削減を図ることができる。 Further , according to the first to third aspects of the invention, the portion of the bent portion to which the longitudinal end of the field edge abuts is continuously processed into a curved surface or a cylindrical shape along the longitudinal direction. It is easy to insert the rim into the ceiling runner, and the workability of assembling the light steel ceiling is improved. Further, according to the first to third inventions, rigidity of the ceiling runner can be secured by processing the bent portion into a curved surface or a cylindrical shape, and cost reduction due to weight reduction can be achieved. .
特に、第２発明によれば、同重量のまま、さらにランナー全体の剛性を高めることができ、長尺なランナーを壁に止め付ける際の作業性が向上する。 In particular, according to the second aspect of the invention, the rigidity of the entire runner can be further enhanced while maintaining the same weight, and the workability at the time of fastening the long runner to the wall is improved.
特に、第３発明によれば、前記作用効果を軽量鉄骨天井構造において発揮することができ、軽量鉄骨天井構造全体の組立作業性及びコストパフォーマンスが向上する。 In particular, according to the third aspect of the present invention, the above-mentioned effects can be exhibited in the lightweight steel ceiling structure, and the assembly workability and cost performance of the entire lightweight steel ceiling structure are improved.
以下、本発明の一実施形態について、図面を参照しながら詳細に説明する。 Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
[第１実施形態]
＜天井用ランナー＞
先ず、図１、図２を用いて、本発明の一実施形態である第１実施形態に係る天井用ランナーについて、天井用ランナーを用いていわゆるブリッジ工法により軽量鉄骨天井を組み立てる場合で説明する。図１、図２に示すように、第１実施形態に係る天井用ランナーであるランナーＲ１は、薄鋼板から所定形状に加工された長尺材であり、内壁の壁面（側面）に沿って長手方向を水平にしてビスや釘等で固定され、一点鎖線で示す後述の野縁Ｎ１の一端をスライド可能に内包し、その野縁Ｎ１の一端を上下方向に拘束して壁に固定する機能を有した部材である。なお、図中のＸ方向が、ランナーＲ１の長手方向（軸方向）、Ｙ方向が、ランナーＲ１の奥行方向、Ｚ方向が、上下方向を示している（全図とも共通）。
First Embodiment
<Ceiling runner>
First, a ceiling runner according to a first embodiment which is an embodiment of the present invention will be described with reference to FIGS. 1 and 2 in a case where a lightweight steel ceiling is assembled by a so-called bridge method using a ceiling runner. As shown in FIGS. 1 and 2, the runner R1, which is a ceiling runner according to the first embodiment, is a long material processed from a thin steel plate into a predetermined shape, and is elongated along the wall surface (side surface) of the inner wall Fixed by screws or nails with the direction horizontal, it has a function of slidably including one end of field edge N1 described later indicated by a dot-and-dash line and restraining one end of field edge N1 in the vertical direction and fixing to wall It is a member which it had. The X direction in the figure indicates the longitudinal direction (axial direction) of the runner R1, the Y direction indicates the depth direction of the runner R1, and the Z direction indicates the vertical direction (common to all the drawings).
本実施形態に係るランナーＲ１の材質は、耐食性を考量して亜鉛溶融めっき鋼板からなるが、めっきされていない通常の鋼板から構成されていても構わない。勿論、ランナーＲ１を構成する薄鋼板自体が、耐候性鋼やステンレス鋼であっても良い。 Although the material of runner R1 which concerns on this embodiment considers corrosion resistance and consists of a hot dip galvanized steel plate, you may be comprised from the normal steel plate which is not plated. Of course, the thin steel plate itself that constitutes the runner R1 may be weather resistant steel or stainless steel.
このランナーＲ１の形状は、鉛直断面において、横方向に延伸する平板状の下辺部Ｒ１１と、この下辺部Ｒ１１の長手方向に沿って連続し、そこから上方へ延伸する平板状の側辺部Ｒ１２と、この側辺部Ｒ１２の上端と長手方向に沿って連続し、そこから下辺部Ｒ１１と所定間隔を置いて横方向へ突出する屈曲加工部Ｒ１３と、を備えており、この屈曲加工部Ｒ１３が、長手方向に沿って連続的に円筒状にロール加工により曲面加工されていることを特徴としている。 The shape of the runner R1 is, in the vertical cross section, a flat lower portion R11 extending in the lateral direction and a flat side R12 extending continuously from the lower portion R11 along the longitudinal direction of the lower portion R11. And a bent portion R13 continuous in the longitudinal direction with the upper end of the side portion R12 and protruding in the lateral direction at a predetermined distance from the lower side portion R11 therefrom, and the bent portion R13 However, it is characterized in that the curved surface is processed by rolling continuously in a cylindrical shape along the longitudinal direction.
この屈曲加工部Ｒ１３の円筒状の形状は、側辺部Ｒ１２の上端部分の曲げ剛性を補って、ランナー全体の剛性を高めるとともに、ランナーＲ１に差し込まれる野縁Ｎ１の長手方向の端部を係止する機能を有している。また、下辺部Ｒ１１と、屈曲加工部Ｒ１３との離間距離は、野縁Ｎ１の長手方向の端部の高さに所定の遊び間隔を加えた距離となっている。 The cylindrical shape of the bent portion R13 compensates for the bending rigidity of the upper end portion of the side portion R12 and enhances the rigidity of the entire runner, and engages the longitudinal end of the field edge N1 inserted into the runner R1. It has a function to stop. Further, the separation distance between the lower side portion R11 and the bent portion R13 is a distance obtained by adding a predetermined play interval to the height of the longitudinal end of the field edge N1.
このように構成されたランナーＲ１によれば、従来の上辺部を廃して側辺部Ｒ１２の上端と連続する屈曲加工部Ｒ１３が円筒状となっているので、剛性を確保したまま、狭くて野縁を差し入れるのが困難であった断面コの字状の開口端を形成する屈曲加工部Ｒ１３を従来の上辺部と比べて極力短くして、ランナー全体の重量を低減することができるとともに、解放されているため野縁を差し入れるのが容易となり、野縁をランナーに取り付ける際の作業性が向上する。 According to the runner R1 configured as described above, since the bending-processed portion R13 continuous with the upper end of the side portion R12 has a cylindrical shape without the conventional upper side portion, it is narrow and the field is narrow while securing the rigidity. It is possible to reduce the weight of the entire runner by shortening the bent portion R13 forming the open end having a U-shaped cross section which has been difficult to insert an edge as much as possible in comparison with the conventional upper side. Since it is released, it becomes easy to insert the field edge, and the workability when attaching the field edge to the runner is improved.
また、ランナーＲ１によれば、屈曲加工部Ｒ１３の円筒状の外周面が、野縁Ｎ１の長手方向の端部の高さに所定の遊び間隔を加えた距離を置いて下辺部Ｒ１１と離間しているので、屈曲加工部Ｒ１３の円筒状の曲面形状により、野縁Ｎ１の長手方向の端部を案内して野縁Ｎ１を差し入れるのが容易であるとともに、後述の天井材Ｂ１を野縁Ｎ１にビス止めする際に、野縁Ｎ１の端部の上面を屈曲加工部Ｒ１３の円筒外周面で掛け止めて、ビスを上方へ打ち込む際の反力を得ることができる。このため、さらに野縁をランナーに取り付ける際の作業性が向上する。 Further, according to the runner R1, the cylindrical outer peripheral surface of the bent portion R13 is separated from the lower side portion R11 with a distance obtained by adding a predetermined play interval to the height of the longitudinal end of the field edge N1. Therefore, the cylindrical curved surface shape of the bent portion R13 makes it easy to guide the longitudinal end of the field edge N1 and insert the field edge N1, and the ceiling material B1 to be described later When screwing to N1, the upper surface of the end of the field edge N1 is latched on the cylindrical outer peripheral surface of the bent portion R13, and a reaction force can be obtained when driving a screw upward. For this reason, the workability at the time of attaching a field edge to a runner improves.
＜軽量鉄骨天井構造＞
次に、図３を用いて、本発明の一実施形態である第１実施形態に係る軽量鉄骨天井構造について説明する。軽量鉄骨天井構造Ｔ１は、水平方向を長手方向として内壁に取り付けられる前述の第１実施形態に係る複数のランナーＲ１と、これらのランナーＲ１間に架け渡される複数の野縁Ｎ１と、これらの野縁Ｎ１にビス等で取り付けられる複数の天井材Ｂ１などから構成されている。
<Light-weight steel ceiling structure>
Next, a lightweight steel frame structure according to a first embodiment of the present invention will be described with reference to FIG. The lightweight steel frame ceiling structure T1 has a plurality of runners R1 according to the first embodiment described above attached to the inner wall with the horizontal direction as the longitudinal direction, a plurality of field edges N1 bridged between the runners R1, and these fields. It comprises a plurality of ceiling materials B1 attached to the edge N1 with screws or the like.
（野縁）
この野縁Ｎ１は、亜鉛溶融めっき鋼板から断面長方形状に折曲加工された長尺材である、いわゆる角スタッドであり、長手方向の弱軸の曲げ剛性を向上させるために、鉛直断面の上下の長辺部にコルゲート加工が施されている（図１参照）。
(Field border)
This field edge N1 is a so-called square stud which is a long material bent into a rectangular shape in cross section from a hot-dip galvanized steel sheet, and in order to improve the bending rigidity of the weak axis in the longitudinal direction, Corrugated at the long side part (see Figure 1).
勿論、野縁Ｎ１は、めっきされていない通常の鋼板から構成されていても良いし、野縁Ｎ１が、耐候性鋼やステンレス鋼から構成されていても構わない。また、野縁は、図１０に示したシングルバーやダブルバーであっても構わないし、角パイプのような部材であっても構わない。要するに、野縁は、後述の天井材を貼り付けることができる一定の幅と、一定のスパン天井材や自重を支えられる、所定の曲げ剛性を有した長尺材で、断面形状が、前述のランナーＲ１に嵌め込むことができるものであれば良い。 Of course, the edge N1 may be made of a non-plated ordinary steel plate, and the edge N1 may be made of weather-resistant steel or stainless steel. Further, the edge may be a single bar or a double bar shown in FIG. 10, or may be a member such as a square pipe. In short, the non-edge is a long material with a predetermined bending rigidity which can support the ceiling material described later, a constant span ceiling material and a constant weight, and has a cross-sectional shape as described above. It may be anything that can be fitted into the runner R1.
（天井材）
天井材Ｂ１は、火災時の難燃性（不燃性）を考慮して石膏ボードを基体とするボード材（板材）であり、下地材Ｂ１１と化粧材Ｂ１２の２層構造からなる。勿論、天井材Ｂ１は、１層構造でも良く、素材等や外観等も、設計に応じた面材が適宜選択されれば良い。
(Ceiling material)
Ceiling material B1 is a board material (plate material) which makes a gypsum board a base in consideration of the flame retardance (noncombustibility) at the time of a fire, and consists of two-layer structure of ground material B11 and makeup material B12. Of course, the ceiling material B1 may have a single-layer structure, and a facing material according to the design may be appropriately selected for the material and the like, the appearance, and the like.
以上説明した軽量鉄骨天井構造Ｔ１によれば、ランナーＲ１の屈曲加工部Ｒ１３が、下辺部Ｒ１１と所定の間隔をおいて、円筒状に曲面加工されているので、従来の上辺部が無くなって狭かった天井用ランナーの上辺部と下辺部との間が解放されており、ランナーに野縁を差し入れる際に回し入れるようなことしなくてもよくなる。その上、屈曲加工部Ｒ１３円筒状の曲面で野縁Ｎ１の長手方向の端部を案内して、野縁Ｎ１をランナーＲ１に差し込む作業が容易である。また、屈曲加工部Ｒ１３により、天井材Ｂ１を野縁Ｎ１にビス止めする際に、野縁Ｎ１の端部の上面を屈曲加工部Ｒ１３の円筒外周面で掛け止めて、ビスを上方へ打ち込む際の反力を得ることができる。このため、軽量鉄骨天井を組み立てる際の作業性が向上する。 According to the lightweight steel frame ceiling structure T1 described above, since the curved processed portion R13 of the runner R1 is curved in a cylindrical shape at a predetermined distance from the lower side portion R11, the conventional upper side portion is eliminated and narrow The space between the upper and lower sides of the ceiling runner is released, and it is not necessary to turn the runner when inserting a field edge. In addition, the end of the longitudinal direction of the field edge N1 is guided by the curved surface of the bent portion R13 in a cylindrical shape, and the work of inserting the field edge N1 into the runner R1 is easy. Moreover, when screwing ceiling material B1 to field edge N1 by bending process part R13, when holding the upper surface of the end of field edge N1 with the cylindrical outer peripheral surface of bending process part R13 and driving a screw upwards The reaction force of can be obtained. For this reason, the workability at the time of assembling a lightweight steel frame ceiling improves.
その上、軽量鉄骨天井構造Ｔ１によれば、曲げ剛性を確保しつつランナーＲ１の上辺部を廃して部材の軽量化することができ、ひいては、ランナーＲ１部材単価を低減することができる。要するに、軽量鉄骨天井構造Ｔ１によれば、軽量鉄骨天井の組立作業の作業効率が向上するとともに、製品単価を低減することができるため、軽量鉄骨天井の施工費用（設置費用）を低減することができる。 Moreover, according to the lightweight steel frame ceiling structure T1, while securing bending rigidity, the upper side portion of the runner R1 can be eliminated to reduce the weight of the member, and consequently, the unit cost of the runner R1 can be reduced. In short, according to the lightweight steel frame ceiling structure T1, the work efficiency of the assembly operation of the lightweight steel frame can be improved and the product unit price can be reduced, so that the construction cost (installation cost) of the lightweight steel frame can be reduced. it can.
［第２実施形態］
次に、図４、図５を用いて、本発明の一実施形態である第２実施形態に係る天井用ランナーであるランナーＲ２について説明する。第２実施形態に係るランナーＲ２が、第１実施形態に係るランナーＲ１と相違する点は、屈曲加工部の形状だけであるので、同一構成は、同一符号を付し、説明を省略する。また、ランナーＲ２を用いた第２実施形態に係る軽量鉄骨天井構造についても、ランナーＲ２を除く構成は、前述の軽量鉄骨天井構造Ｔ１ほとんど同じであるため説明を省略する。
Second Embodiment
Next, runner R2 which is a runner for ceilings which concerns on 2nd Embodiment which is one Embodiment of this invention is demonstrated using FIG. 4, FIG. The runner R2 according to the second embodiment differs from the runner R1 according to the first embodiment only in the shape of the bending portion, and therefore the same configuration is given the same reference numeral and the description is omitted. Moreover, also about the lightweight steel frame ceiling structure which concerns on 2nd Embodiment using runner R2, since the structure except the runner R2 is substantially the same as the above-mentioned lightweight steel ceiling structure T1, description is abbreviate | omitted.
本実施形態に係るランナーＲ２は、図４、図５に示すように、前述の下辺部Ｒ１１と同形の下辺部Ｒ２１と、前述の側辺部Ｒ１２と同形の側辺部Ｒ２２と、この側辺部Ｒ２２の上端と長手方向に沿って連続し、そこから下辺部Ｒ２１と所定間隔を置いて横方向へ突出する屈曲加工部Ｒ２３と、を備えており、この屈曲加工部Ｒ２３の野縁Ｎ１の長手方向端部と当接する部分が、長手方向に沿って連続的に半円筒状にロール加工により曲面加工されていることを特徴としている。 As shown in FIG. 4 and FIG. 5, the runner R2 according to the present embodiment has a lower side R21 having the same shape as the lower side R11, a side R22 having the same shape as the side R12 described above, and the side A bent portion R23 which is continuous along the longitudinal direction with the upper end of the portion R22 and protrudes in the lateral direction at a predetermined distance from the lower side portion R21 therefrom, and the field edge N1 of the field edge N1 of the bent portion R23. A portion in contact with the longitudinal end portion is characterized by being continuously curved in a semi-cylindrical shape by rolling along the longitudinal direction.
この屈曲加工部Ｒ１３の半円筒状の形状は、正確には、側辺部Ｒ２２の上端から鉛直断面において水平に伸びた後、半円筒状に半回転し、その後内壁に向けて水平に伸びた横Ｕ字状となっており、屈曲加工部Ｒ１３と同様に、側辺部Ｒ２２の上端部分の曲げ剛性を補って、ランナー全体の剛性を高めるとともに、ランナーＲ２に差し込まれる野縁Ｎ１の長手方向の端部を係止する機能を有している。また、下辺部Ｒ２１と、屈曲加工部Ｒ２３との離間距離は、野縁Ｎ１の長手方向の端部の高さに所定の遊び間隔を加えた距離となっている。 The semi-cylindrical shape of the bent portion R13 exactly extends horizontally from the upper end of the side portion R22 in the vertical cross section, and then makes a semi-cylindrical half cylinder rotation and then extends horizontally toward the inner wall It has a U-shape in the horizontal direction, and compensates for the bending rigidity of the upper end portion of the side portion R22 to improve the rigidity of the entire runner as well as the bent portion R13, and the longitudinal direction of the rim N1 inserted into the runner R2. Has the function of locking the end of the Further, the separation distance between the lower side portion R21 and the bent portion R23 is a distance obtained by adding a predetermined play interval to the height of the longitudinal end of the field edge N1.
このように構成されたランナーＲ２によれば、屈曲加工部Ｒ２３の野縁Ｎ１の長手方向端部と当接する部分が半円筒状となっているので、剛性を確保したまま、狭くて野縁を差し入れるのが困難であった断面コの字状の開口端を形成する上辺部を無くして、ランナー全体の重量を低減することができるとともに、解放されているため野縁を差し入れるのが容易となり、野縁をランナーに取り付ける際の作業性が向上する。 According to the runner R2 configured in this way, the portion in contact with the longitudinal direction end of the field edge N1 of the bent portion R23 is semi-cylindrical, so it is narrow and the field edge is narrow while securing rigidity. It is possible to reduce the weight of the entire runner by eliminating the upper side that forms an open end with a U-shaped cross section that was difficult to insert, and it is easy to insert a field edge because it is released. This improves the workability when attaching the field edge to the runner.
また、ランナーＲ２によれば、屈曲加工部Ｒ２３の半円筒状の外周面が、野縁Ｎ１の長手方向の端部の高さに所定の遊び間隔を加えた距離を置いて下辺部Ｒ２１と離間しているので、屈曲加工部Ｒ２３の半円筒状の曲面形状により、野縁Ｎ１の長手方向端部を案内して差し入れるのが容易であるとともに、天井材Ｂ１を野縁Ｎ１にビス止めする際に、野縁の該端部の上面を屈曲加工部Ｒ２３の円筒外周面で掛け止めて、ビスを上方へ打ち込む際の反力を得ることができる。このため、さらに野縁をランナーに取り付ける際の作業性が向上する。 Further, according to the runner R2, the semi-cylindrical outer peripheral surface of the bent portion R23 separates from the lower side portion R21 at a distance obtained by adding a predetermined play interval to the height of the longitudinal end of the field edge N1. Therefore, the semicylindrical curved shape of the bent portion R23 makes it easy to guide and insert the longitudinal end of the field edge N1 and screw the ceiling material B1 to the field edge N1. In this case, the upper surface of the end portion of the field edge can be held on the cylindrical outer peripheral surface of the bending portion R23 to obtain a reaction force when driving a screw upward. For this reason, the workability at the time of attaching a field edge to a runner improves.
［第３実施形態］
次に、図６、図７を用いて、本発明の一実施形態である第３実施形態に係る天井用ランナーであるランナーＲ３について説明する。第３実施形態に係るランナーＲ３が、第１実施形態に係るランナーＲ１と相違する点は、下辺部の形状だけであるので、同一構成は、同一符号を付し、説明を省略する。また、ランナーＲ３を用いた第３実施形態に係る軽量鉄骨天井構造についても、ランナーＲ３を除く構成は、前述のほとんど同じであるため説明を省略する。
Third Embodiment
Next, runner R3 which is a runner for ceilings concerning a 3rd embodiment which is one embodiment of the present invention is explained using Drawing 6 and Drawing 7. As shown in FIG. The runner R3 according to the third embodiment differs from the runner R1 according to the first embodiment only in the shape of the lower side, so the same reference numerals are given to the same configuration, and the description is omitted. Moreover, also about the lightweight steel frame ceiling structure which concerns on 3rd Embodiment using runner R3, since the structure except the runner R3 is almost the same as the above-mentioned, description is abbreviate | omitted.
本実施形態に係るランナーＲ３は、図６、図７に示すように、前述の下辺部Ｒ１１と同材からエンボス加工が施された水平方向に延びる略平板状の下辺部Ｒ３１と、前述の側辺部Ｒ１２と同形の側辺部Ｒ２２と、前述の屈曲加工部１３と同様の屈曲加工部３３と、を備えており、この下辺部Ｒ３１に、長手方向に沿った３本の長方形状のエンボス加工部３１ａが形成されているとともに、下辺部Ｒ３１の長手方向に沿った端部に、折り曲げられた折曲部３１ｂが形成されていることを特徴としている。 The runner R3 according to the present embodiment, as shown in FIGS. 6 and 7, includes a substantially flat lower portion R31 extending in the horizontal direction embossed from the same material as the lower portion R11 described above, and the aforementioned side A side portion R22 having the same shape as the side portion R12 and a bending portion 33 similar to the above-described bending portion 13 are provided, and the lower side portion R31 is embossed with three rectangular shapes along the longitudinal direction. The machined portion 31a is formed, and a bent portion 31b which is bent is formed at an end along the longitudinal direction of the lower side portion R31.
このエンボス加工部３１ａは、プレス加工により形成され、下辺部Ｒ３１の平板状の着材から設置状態で上方に突出する長方形状の凸部であり、下辺部Ｒ３１の曲げ剛性を高める機能を有している。また、下辺部Ｒ３１と屈曲加工部Ｒ３３との離間距離、即ち、エンボス加工部３１ａから屈曲加工部３３までの離間距離が、野縁Ｎ１の長手方向の端部の高さに所定の遊び間隔を加えた距離となっている。 The embossed portion 31a is formed by press work and is a rectangular convex portion which protrudes upward from the flat-plate-like attachment of the lower side portion R31, and has a function of enhancing the bending rigidity of the lower side portion R31. ing. Further, the separation distance between the lower side R31 and the bending part R33, that is, the separation distance from the embossed part 31a to the bending part 33 is a predetermined clearance distance as the height of the longitudinal end of the field edge N1. It is the added distance.
また、折曲部３１ｂは、長手方向に沿った解放端を二つ折に折り曲げることにより、側辺部Ｒ３２を背に下辺部Ｒ３１の解放端が外側となるような曲げ応力に対して、断面２次モーメントを大きくして、効果的に曲げ剛性を高める機能を有しており、結果的に、ランナーＲ３の曲げ剛性を向上させることができる。 In addition, the bending portion 31b is formed by bending the free end along the longitudinal direction into two folds, so that the cross section 2 is against bending stress such that the free end of the lower side portion R31 is outside with the side side portion R32 at the back. The next moment is increased to effectively increase the bending rigidity, and as a result, the bending rigidity of the runner R3 can be improved.
このように構成されたランナーＲ３によれば、プレス加工によりエンボス加工部３１ａが形成されているため、前述のＲ１の奏する作用効果に加え、重量を増加することなく、ランナーＲ３の曲げ剛性、特に、下辺部Ｒ３１の曲げ剛性を高くすることができる。このため、ランナーＲ３を内壁に取り付けた際の下辺部Ｒ３１の水平度が高く、野縁の端部を挿入し易く、さらに野縁をランナーに取り付ける際の作業性が向上する。そのうえ、ランナーＲ３によれば、下辺部Ｒ３１の曲げ剛性が高いため、天井材をランナーＲ３の下辺部Ｒ３１にビス止めする際にも作業性が向上する。 According to the runner R3 configured as described above, since the embossed portion 31a is formed by press working, in addition to the effects exerted by the above-mentioned R1, the bending rigidity of the runner R3, in particular, is increased without increasing the weight. The bending rigidity of the lower side portion R31 can be increased. For this reason, when the runner R3 is attached to the inner wall, the level of the lower side R31 is high, the end of the field edge can be easily inserted, and the workability when attaching the field edge to the runner is improved. Moreover, according to the runner R3, since the bending rigidity of the lower side portion R31 is high, the workability is improved even when the ceiling material is screwed to the lower side portion R31 of the runner R3.
［第４実施形態］
次に、図８、図９を用いて、本発明の一実施形態である第４実施形態に係る天井用ランナーであるランナーＲ４について説明する。第４実施形態に係るランナーＲ４が、第１実施形態に係るランナーＲ１と相違する点は、寸法及び形状だけで材質等は同じ構成であるので、同一構成は、同一符号を付し、説明を省略する。また、ランナーＲ４を用いた第４実施形態に係る軽量鉄骨天井構造についても、ランナーＲ４を除く構成は、前述のほとんど同じであるため詳しい説明を省略するが、屈曲加工部と下辺部との離間距離が小さくなっている分、野縁の高さ寸法だけが、前述の野縁Ｎ１より低く（小さく）なった野縁Ｎ２となっている。
Fourth Embodiment
Next, a runner R4 which is a ceiling runner according to a fourth embodiment which is an embodiment of the present invention will be described with reference to FIGS. The runner R4 according to the fourth embodiment differs from the runner R1 according to the first embodiment only in the size and the shape, and the material and the like are the same. I omit it. Further, as for the lightweight steel frame ceiling structure according to the fourth embodiment using the runner R4, the configuration except for the runner R4 is almost the same as the above, so detailed description will be omitted, but separation of the bending portion and lower side portion As the distance decreases, only the height dimension of the field edge is the field edge N2 which is lower (smaller) than the field edge N1 described above.
本実施形態に係るランナーＲ４は、図８、図９に示すように、鉛直断面において、横方向に延伸する平板状の下辺部Ｒ４１と、この下辺部Ｒ４１の長手方向に沿って連続し、そこから上方へ延伸する平板状の側辺部Ｒ４２と、この側辺部Ｒ４２の上端と長手方向に沿って連続し、そこから下辺部Ｒ４１と所定間隔を置いて横方向へ突出する屈曲加工部Ｒ４３と、を備えており、この屈曲加工部Ｒ４３が、長手方向に沿って連続的に円筒状にロール加工により曲面加工されている。 As shown in FIG. 8 and FIG. 9, the runner R4 according to the present embodiment is continuous in the vertical cross section along the longitudinal direction of the flat lower portion R41 extending in the lateral direction and the lower portion R41, And a bent side R42 continuous in the longitudinal direction with the upper end of the side R42 and extending laterally therefrom at a predetermined distance from the lower side R41. And the curved processed portion R43 is curved to a cylindrical shape continuously by rolling along the longitudinal direction.
また、下辺部Ｒ４１、側辺部Ｒ４２は、前述の下辺部Ｒ１１、側辺部Ｒ１２より、それぞれ、鉛直断面において短くなっているが、屈曲加工部Ｒ４３の円筒状の曲面の曲率半径は、前述の屈曲加工部Ｒ１３より大きくなっている。 The lower side R41 and the side R42 are shorter in the vertical cross section than the lower side R11 and the side R12 respectively, but the curvature radius of the cylindrical curved surface of the bent portion R43 is the same as described above. Is larger than the bent portion R13.
この下辺部Ｒ４１には、基材から上方に突出する長方形状の複数のエンボス加工部４１ａがプレス加工により形成されているとともに、下辺部Ｒ４１の長手方向に沿った端部に、折り曲げられた折曲部４１ｂが形成されている。 On the lower side R41, a plurality of rectangular embossed portions 41a protruding upward from the base material are formed by press working, and at the end along the longitudinal direction of the lower side R41, a fold is formed. The curved portion 41 b is formed.
その上、本実施形態に係る側辺部Ｒ４２には、基材から奥行方向（Ｙ方向）に突出するエンボス加工部４２ａがプレス加工により形成されている。このエンボス加工部４２ａにより突出した分だけ、少なくとも、本実施形態に係る屈曲加工部Ｒ４３の円筒状の曲面の曲率は半径が大きくなり、野縁Ｎ２の端部の引っ掛かり代を取っている。但し、この屈曲加工部Ｒ４３の円筒状の半径を大きくし過ぎると、ランナーの上辺部の重量削減効果が減少するため好ましくない。 In addition, in the side portion R42 according to the present embodiment, an embossed portion 42a that protrudes in the depth direction (Y direction) from the base material is formed by press processing. The radius of the curved surface of the cylindrical curved surface of the bent portion R43 according to the present embodiment is at least as large as the protrusion by the embossed portion 42a, and the hook margin of the end portion of the field edge N2 is taken. However, if the cylindrical radius of the bent portion R43 is too large, the weight reduction effect of the upper side portion of the runner is unfavorably reduced.
このように構成されたランナーＲ４によれば、プレス加工によりエンボス加工部４１ａ、エンボス加工部４２ａが形成されているため、重量を増加することなく、下辺部４１、側辺部４２の曲げ剛性を向上させることができる。つまり、前述のランナーＲ３よりさらに曲げ剛性を向上させることができる。このため、ランナーＲ４を内壁に取り付ける際の下辺部Ｒ４１及び側辺部４２の水平度が高く、野縁の端部を挿入し易くだけでなく、ランナーＲ４を内壁に取り付ける作業の作業性が向上する。そのうえ、ランナーＲ４によれば、下辺部Ｒ４１の曲げ剛性が高いため、天井材をランナーＲ４の下辺部Ｒ４１にビス止めする際にも作業性が向上する。 According to the runner R4 configured as described above, since the embossed portion 41a and the embossed portion 42a are formed by press processing, the bending rigidity of the lower side portion 41 and the side side portion 42 can be increased without increasing the weight. It can be improved. That is, bending rigidity can be further improved than the above-mentioned runner R3. Therefore, not only is the horizontality of the lower side R41 and the side 42 high when attaching the runner R4 to the inner wall, it is easy to insert the end of the field edge, but the workability of attaching the runner R4 to the inner wall is improved Do. Moreover, according to the runner R4, since the bending rigidity of the lower side portion R41 is high, the workability is improved even when the ceiling material is screwed to the lower side portion R41 of the runner R4.
以上、本発明の実施形態について詳細に説明したが、前述した実施形態は、いずれも本発明を実施するにあたっての具体例を示したものに過ぎず、これらによって本発明の技術的範囲が限定的に解釈されてはならないものである。特に、上辺部に形成された曲面の曲率や側辺部、下辺部の奥行や水平幅などは、前述又は図示した形態に限られず、嵌め込む野縁の寸法や吊りボルトからの支持の有無等に応じて適宜設定すれば良いことは云うまでもない。また、屈曲加工部の曲面の曲率も一定ではなく、変化しても構わない。 As mentioned above, although embodiment of this invention was described in detail, all the embodiments mentioned above only show the specific example in implementing this invention, The technical scope of this invention is limited by these. It should not be interpreted. In particular, the curvature of the curved surface formed on the upper side and the depth and horizontal width of the side and lower side are not limited to the form described above or shown in the drawings, but the dimensions of the inserted edge and the presence or absence of support from the suspension bolt etc. It is needless to say that it may be set appropriately according to Also, the curvature of the curved surface of the bent portion is not constant, and may be changed.
なお、ランナーに嵌め込む部材を野縁と呼称したが、野縁を、床材を貼り付ける根太になぞらえて天井根太と称することもある。しかし、云うまでもなく、実質同じものを指している。また、いわゆるブリッジ工法による軽量鉄骨構造を例示して説明したが、背景技術で述べたＴ字工法による軽量鉄骨天井構造であっても構わない。その場合でも、前記実施形態で述べた作用効果を奏することは明らかである。 In addition, although the member fitted in a runner was called a field edge, a field edge may be called a ceiling jot like a joist to which a floor material is stuck. But, needless to say, they refer to the same thing in practice. Moreover, although the light-weight steel frame structure by what is called a bridge construction method was illustrated and demonstrated, you may be a lightweight steel-frame ceiling structure by T-shaped construction method described by the background art. Even in that case, it is apparent that the effects described in the above embodiment can be achieved.
Ｒ１、Ｒ２、Ｒ３、Ｒ４ ：ランナー（天井用ランナー）
Ｒ１１、Ｒ２１、Ｒ３１、Ｒ４１ ：下辺部
Ｒ３１ａ、Ｒ４１ａ ：エンボス加工部
Ｒ３１ｂ、Ｒ４１ｂ ：折曲部
Ｒ１２、Ｒ２２、Ｒ３２、Ｒ４２ ：側辺部
Ｒ４２ａ ：エンボス加工部
Ｒ１３、Ｒ２３、Ｒ３３、Ｒ４３ ：屈曲加工部
Ｎ１、Ｎ２ ：野縁
Ｂ１ ：天井材
Ｂ１１ ：下地材
Ｂ１２ ：化粧材
R1, R2, R3, R4: Runner (runner for ceiling)
R11, R21, R31, R41: lower side portions R31a, R41a: embossed portions R31b, R41b: bent portions R12, R22, R32, R42: side portions R42a: embossed portions R13, R23, R33, R43: bending process Part N1, N2: No rim B1: Ceiling material B11: Base material B12: Cosmetic material
Claims (3)
鉛直断面において、横方向に延伸する下辺部と、この下辺部から上方へ延伸する側辺部と、この側辺部の上端から連続し、横方向に突出して野縁の長手方向の端部上面を係止する屈曲加工部と、を備え、
前記屈曲加工部は、野縁の長手方向端部が当接する部分が前記側辺部の上端に長手方向に沿って連続する円筒状に曲面加工されていること
を特徴とする天井用ランナー。 A runner for a ceiling, which is used for a lightweight steel ceiling and attached to an inner wall with a lateral direction as a longitudinal direction,
In the vertical cross section, the lower side extending in the lateral direction, the side extending upward from the lower side, and the upper end of the side extending continuously from the upper end of the side extend in the longitudinal direction of the edge in the longitudinal direction and a bending processed portion for locking the,
The runner for ceilings, wherein the bent portion has a cylindrical shape in which a portion in contact with a longitudinal end of a field edge is continuous with the upper end of the side portion along the longitudinal direction .
を特徴とする請求項１に記載の天井用ランナー。 The ceiling runner according to claim 1, wherein the lower side portion and / or the side side portion is embossed to enhance rigidity.
を特徴とする軽量鉄骨天井構造。 A lightweight steel ceiling structure characterized in that the ceiling runner according to claim 1 or 2 is used.
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| JP2014181912A JP6510778B2 (en) | 2014-09-08 | 2014-09-08 | Runner for ceiling and lightweight steel ceiling structure |
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| JP2014181912A JP6510778B2 (en) | 2014-09-08 | 2014-09-08 | Runner for ceiling and lightweight steel ceiling structure |
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| JP6510778B2 true JP6510778B2 (en) | 2019-05-08 |
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| KR101952337B1 (en) * | 2016-11-18 | 2019-05-17 | 상명엔프라(주) | Ceiling finishes support structure |
| CN108005293B (en) * | 2018-01-16 | 2022-11-08 | 韩合桥 | Telescopic bending type groove-shaped keel |
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| JPS5531969Y2 (en) * | 1976-01-23 | 1980-07-30 | ||
| CA2069310A1 (en) * | 1989-10-11 | 1991-04-12 | Michael Ian Johnson | High strength structural members |
| JPH09324490A (en) * | 1996-06-04 | 1997-12-16 | Nisshin Steel Co Ltd | Ceiling joist |
| US7293393B2 (en) * | 2004-01-27 | 2007-11-13 | Worthington Armstrong Venture | Perimeter clip for seismic ceilings |
| US7047702B1 (en) * | 2004-05-11 | 2006-05-23 | Usg Interiors, Inc. | Perimeter angle trim |
| US7690168B2 (en) * | 2005-07-29 | 2010-04-06 | Usg Interiors, Inc. | Wall mold attachment clip |
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