JP2022091562A - Sheet fixing frame - Google Patents

Sheet fixing frame Download PDF

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JP2022091562A
JP2022091562A JP2020204462A JP2020204462A JP2022091562A JP 2022091562 A JP2022091562 A JP 2022091562A JP 2020204462 A JP2020204462 A JP 2020204462A JP 2020204462 A JP2020204462 A JP 2020204462A JP 2022091562 A JP2022091562 A JP 2022091562A
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fixing frame
sheet fixing
sheet
groove
bottom piece
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正敏 西脇
Masatoshi Nishiwaki
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Toto Kogyo Co Ltd
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Toto Kogyo Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor

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Abstract

To provide a sheet fixing frame capable of suppressing deterioration of a sheet.SOLUTION: A sheet fixing frame 1 of the invention has a bottom piece 2 and a pair of side pieces 3, 4 which stands from each of both ends of the bottom piece 2, in which a groove 5 is formed between the bottom piece 2 and respective side pieces 3, 4, the groove having a width W1 of the opening is narrower than a width W2 of the bottom piece 2 side, for fixing a sheet S inserted into the groove 5 by a fastening material 6 inserted into the groove 5. The respective side pieces 3, 4 have protrusion parts 3c, 4c each protruded toward the groove 5 side on a tip end thereof opposite to the bottom piece 2. The respective protrusion parts 3c, 4c have chamfer parts 3d, 4d on a tip end part thereof, the tip end parts of the protrusion parts facing each other on at least one end of the sheet fixing frame 1 in an extension direction.SELECTED DRAWING: Figure 6

Description

本発明は、シート定着フレームに関する。 The present invention relates to a sheet fixing frame.

一般に、シート定着フレームは、ビニールハウスの骨組に固定され、このビニールハウスの妻面、屋根面、側面等にシートを展張するために利用されている。 Generally, the sheet fixing frame is fixed to the frame of the vinyl house and is used to extend the sheet on the wife surface, the roof surface, the side surface and the like of the vinyl house.

このような、シート定着フレームは、長尺であって、底片と、底片の両端部から斜め内側に傾斜しながら起立する側片とを備えて、底片と各側片との間に開口部の幅が底辺側の幅よりも狭い溝を長手方向となる延長方向に沿って形成している。このように構成されたシート定着フレームによれば、溝内にシートを挿入した後に、シートの上から前記溝内に波型のばねを挿入することで、前記ばねが発揮する弾発力で当該シートをシート定着フレームの溝に定着できる。 Such a sheet fixing frame is long and includes a bottom piece and side pieces that stand up diagonally inward from both ends of the bottom piece, with an opening between the bottom piece and each side piece. A groove whose width is narrower than the width on the bottom side is formed along the extension direction which is the longitudinal direction. According to the sheet fixing frame configured in this way, after the sheet is inserted into the groove, the corrugated spring is inserted into the groove from above the sheet, and the elastic force exerted by the spring is used. The sheet can be fixed in the groove of the sheet fixing frame.

また、ビニールハウスでは、奥行方向の全長に渡ってシートを展帳する必要があるため、ビニールハウスの奥行方向の全長に渡ってシートを定着させる溝を連続して設ける必要がある。ところが、１本のシート定着フレームの長さには限りがあるため、ビニールハウスの奥行き方向の全長に応じて、複数本のシート定着フレームを繋ぎ合わせてシート定着用の連続する溝を形成する必要がある。なお、ビニールハウスの妻面におけるシート定着フレームの設置個所における幅がシート定着フレームよりも長い場合にも複数本のシート定着フレームを繋ぎ合わせて前記溝を設置する必要がある。 Further, in a vinyl greenhouse, it is necessary to extend the sheet over the entire length in the depth direction, so it is necessary to continuously provide a groove for fixing the sheet over the entire length in the depth direction of the vinyl house. However, since the length of one sheet fixing frame is limited, it is necessary to connect a plurality of sheet fixing frames to form a continuous groove for sheet fixing according to the total length in the depth direction of the vinyl house. There is. Even when the width at the installation location of the sheet fixing frame on the end surface of the vinyl house is longer than that of the sheet fixing frame, it is necessary to connect a plurality of sheet fixing frames to install the groove.

そこで、従来のシート定着フレームでは、シート定着フレームの延長方向の一端にスエージ加工を施して当該一端側の断面形状をそのまま縮小させてジョイント部を形成し、当該ジョイント部を隣のシート定着フレームの他端に差し込んで、シート定着フレーム同士を繋ぎ合わせている（たとえば、特許文献１参照）。 Therefore, in the conventional sheet fixing frame, a sage process is applied to one end of the sheet fixing frame in the extension direction to reduce the cross-sectional shape of the one end side as it is to form a joint portion, and the joint portion is used as the adjacent sheet fixing frame. It is inserted into the other end to connect the sheet fixing frames to each other (see, for example, Patent Document 1).

実開平２－２０４４７号公報Jikkenhei 2-20447 Gazette

ここで、従来のシート定着フレームにおいては、側片の先端から溝の内側へ向けて互いに突出する突出部（カール部）を備えており、ジョイント部の断面が他の部分に対して一回り縮小された形状となっており、ジョイント部では溝の容積が他の部分に比較して小さくなっている。 Here, the conventional sheet fixing frame is provided with protruding portions (curled portions) protruding from the tips of the side pieces toward the inside of the groove, and the cross section of the joint portion is reduced by one size with respect to the other portions. In the joint part, the volume of the groove is smaller than that of the other parts.

そのため、ジョイント部における溝内に定着されたシートは、風等によって振動したり大きな張力が作用したりして、突出部の端面の縁に強く押し当てられて当接して擦れて劣化する場合があった。 Therefore, the sheet fixed in the groove in the joint portion may vibrate due to wind or the like or a large tension may be applied to the sheet, and the sheet may be strongly pressed against the edge of the end face of the protruding portion and abut against each other to be rubbed and deteriorated. there were.

このようなシートの劣化は、シート定着フレームの端部における突出部の縁にシートが当接することで生じるため、特に溝内の容積が狭くシートに大きな張力が作用しやすいジョイント部で生じやすい。 Such deterioration of the sheet occurs when the sheet comes into contact with the edge of the protruding portion at the end of the sheet fixing frame, and therefore tends to occur particularly at the joint portion where the volume in the groove is small and a large tension is likely to act on the sheet.

そこで、本発明は、シートの劣化を抑制できるシート定着フレームの提供を目的としている。 Therefore, an object of the present invention is to provide a sheet fixing frame capable of suppressing deterioration of the sheet.

前記した課題を解決するために、本発明のシート定着フレームは、底片と底片の両端から起立する一対の側片とを有して底片と各側片との間で開口部の幅が底辺側の幅よりも狭い溝を形成して溝内に挿入されるシートを溝内に挿入される止め材により定着させるシート定着フレームであって、各側片は底片とは反対側の先端に互いに溝側に向けて突出する突出部を有し、各突出部は、シート定着フレームの延長方向の少なくとも一端における互いに向き合う先端部分に面取り部を有している。このように構成されたシート定着フレームによれば、突出部の端面の鋭利な縁への接触が面取り部によって取り除かれる。 In order to solve the above-mentioned problems, the sheet fixing frame of the present invention has a bottom piece and a pair of side pieces that stand up from both ends of the bottom piece, and the width of the opening between the bottom piece and each side piece is the bottom side. It is a sheet fixing frame that forms a groove narrower than the width of the film and fixes the sheet inserted in the groove with a stopper inserted in the groove. It has protrusions that project toward the side, and each protrusion has a chamfered portion at a tip portion facing each other at at least one end in the extension direction of the sheet fixing frame. According to the sheet fixing frame configured in this way, the contact with the sharp edge of the end face of the protruding portion is removed by the chamfered portion.

また、シート定着フレームにおける面取り部は、各突出部の先端部分の底片側を切り取るように形成されてもよい。このように構成されたシート定着フレームによれば、突出部の反底片側には面取り部が設けられないので、より効果的にシートの劣化を防止できる。 Further, the chamfered portion in the sheet fixing frame may be formed so as to cut off the bottom one side of the tip portion of each protruding portion. According to the sheet fixing frame configured in this way, since the chamfered portion is not provided on the opposite bottom one side of the protruding portion, deterioration of the sheet can be prevented more effectively.

さらに、シート定着フレームにおける一端は、縮小成型されて他部よりも断面が縮小された縮小部を有し、縮小部の先端における各突出部に面取り部が形成されてもよい。このように構成されたシート定着フレームによれば、縮小部を備えているのでシート定着フレーム同士の連結が可能となるとともに、シート定着フレームの他の部分よりも溝の容積が狭くなってシートに大きな張力がかかりやすくなる縮小部においてもシートの劣化を効果的に抑制できる。 Further, one end of the sheet fixing frame may have a reduced portion whose cross section is reduced compared to the other portion by reduction molding, and a chamfered portion may be formed at each protruding portion at the tip of the reduced portion. According to the sheet fixing frame configured in this way, since the sheet fixing frame is provided with a reduced portion, the sheet fixing frames can be connected to each other, and the volume of the groove is narrower than the other parts of the sheet fixing frame to form a sheet. Deterioration of the sheet can be effectively suppressed even in the reduced portion where a large tension is likely to be applied.

また、シート定着フレームにおける縮小部の高さは、一端へ向かうほど低くなり、縮小部の末端の高さはシート定着フレームの他端の溝の高さよりも低くなっていてもよい。このように構成されたシート定着フレームによれば、シート定着フレームの一端の縮小部の端部が連結される他のシート定着フレームの他端における突出部の高さよりも縮小部の突出部の高さが低くなるため、シートが縮小部の突出部の端面に接触しにくくなって、シートが振動したりシートに大きな張力が作用した際にシートの劣化を効果的に抑制できる。 Further, the height of the reduced portion of the sheet fixing frame may become lower toward one end, and the height of the end of the reduced portion may be lower than the height of the groove at the other end of the sheet fixing frame. According to the sheet fixing frame configured in this way, the height of the protruding portion of the reduced portion is higher than the height of the protruding portion at the other end of the other sheet fixing frame to which the end of the reduced portion at one end of the sheet fixing frame is connected. Since the thickness is low, it becomes difficult for the sheet to come into contact with the end surface of the protruding portion of the reduced portion, and deterioration of the sheet can be effectively suppressed when the sheet vibrates or a large tension is applied to the sheet.

さらに、シート定着フレームにおける縮小部は、２段に縮小形成されて前端側が基端側よりも断面が縮小されてもよく、この場合には、シート定着フレーム同士を連結する際に、一のシート定着フレームの縮小部を他のシート定着フレームの他端への差し込みが容易となるのでビニールハウスの建設作業者の工事負担を軽減できる。 Further, the reduced portion of the sheet fixing frame may be reduced and formed in two stages so that the front end side has a smaller cross section than the base end side. In this case, one sheet is used when connecting the sheet fixing frames to each other. Since the reduced portion of the fixing frame can be easily inserted into the other end of the other sheet fixing frame, the construction burden on the greenhouse construction worker can be reduced.

また、縮小部における底片が、溝側とは反対側に突出する一端側係止突起と一端側孔のうちいずれか一方を有し、一端とは反対側の他端における底片は、縮小部における底片が一端側係止突起を有する場合には他端側孔を有し、縮小部における底片が一端側孔を備える場合に記溝側に突出する他端側係止突起を有して、シート定着フレームを構成してもよい。このように構成されたシート定着フレームによれば、一のシート定着フレームの縮小部を他のシート定着フレームの他端の溝に奥まで差し込むと、一端側係止突起が他端側孔内に入り込むか、或いは、他端側係止突起が一端側孔に入り込むかして抜け止めがなされ、シート定着フレーム同士を強固に連結できる。 Further, the bottom piece in the reduced portion has either one of the one-sided locking projection and the one-end side hole protruding to the side opposite to the groove side, and the bottom piece at the other end opposite to one end is in the reduced portion. When the bottom piece has one end side locking projection, it has the other end side hole, and when the bottom piece in the reduced portion has one end side hole, it has the other end side locking projection protruding toward the groove side, and the sheet. A fixing frame may be configured. According to the sheet fixing frame configured in this way, when the reduced portion of one sheet fixing frame is inserted all the way into the groove at the other end of the other sheet fixing frame, the locking protrusion on one end side is inserted into the hole on the other end side. The sheet fixing frames can be firmly connected to each other by preventing the sheet from coming off by entering or by inserting the locking projection on the other end side into the hole on the one end side.

本発明のシート定着フレームによれば、シートの劣化を抑制できる。 According to the sheet fixing frame of the present invention, deterioration of the sheet can be suppressed.

一実施の形態におけるシート定着フレームの正面図である。It is a front view of the sheet fixing frame in one Embodiment. 一実施の形態におけるシート定着フレームの背面図である。It is a rear view of the sheet fixing frame in one Embodiment. 一実施の形態におけるシート定着フレームの左側面図である。It is a left side view of the sheet fixing frame in one Embodiment. 一実施の形態におけるシート定着フレームの平面図である。It is a top view of the sheet fixing frame in one Embodiment. 一実施の形態におけるシート定着フレームの底面図である。It is a bottom view of the sheet fixing frame in one Embodiment. 一実施の形態におけるシート定着フレームの斜視図である。It is a perspective view of the sheet fixing frame in one Embodiment. 一実施の形態におけるシート定着フレームにシートと止め材とを挿入した状態を示した斜視図である。It is a perspective view which showed the state which the sheet and the stopper were inserted into the sheet fixing frame in one Embodiment. 一実施の形態におけるシート定着フレームをビニールハウスに使用した状態を示した図である。It is a figure which showed the state which used the sheet fixing frame in one Embodiment for a vinyl house. 一実施の形態におけるシート定着フレームの突出部の面取り部の一部拡大斜視図である。It is a partially enlarged perspective view of the chamfered portion of the protruding portion of the sheet fixing frame in one embodiment. 一実施の形態の第１変形例におけるシート定着フレームの正面図である。It is a front view of the sheet fixing frame in the 1st modification of one Embodiment. 一実施の形態の第１変形例におけるシート定着フレームの一端部分の平面図である。It is a top view of the one end part of the sheet fixing frame in the 1st modification of one Embodiment. 一実施の形態の第２変形例におけるシート定着フレームの平面である。It is a plane of the sheet fixing frame in the 2nd modification of one Embodiment.

本発明の一実施形態に係るシート定着フレーム１は、図１から図６に示すように、長手方向に延長される長尺な底片２と、底片２の両端から互いに平行して起立する側片３，４とを備えており、底片２と各側片３，４との間で開口部の幅Ｗ１が底部の幅Ｗ２よりも狭い溝５を前記長手方向となる延長方向に連続して形成している。シート定着フレーム１は、図７に示すように、溝５内に挿入されるシートＳを当該溝５内にシートＳの上から挿入される止め材６によって定着させる。なお、シート定着フレーム１の右側面図は、図３に示した左側面図と対称に現れるため特に図示していない。また、図３では、後述する面取り部３ｄ，４ｄの理解を容易とするため、シート定着フレーム１を側方から見た際に実際には側片３の裏側に隠れてしまう側片４の突出部４ｃの拡大側面図を破線で示した円内に示している。 As shown in FIGS. 1 to 6, the sheet fixing frame 1 according to an embodiment of the present invention includes a long bottom piece 2 extending in the longitudinal direction and side pieces standing in parallel with each other from both ends of the bottom piece 2. 3 and 4 are provided, and a groove 5 having an opening width W1 narrower than the bottom width W2 is continuously formed between the bottom piece 2 and each side piece 3 and 4 in the extension direction in the longitudinal direction. is doing. As shown in FIG. 7, the sheet fixing frame 1 fixes the sheet S inserted into the groove 5 by the stopper 6 inserted into the groove 5 from above the sheet S. The right side view of the sheet fixing frame 1 is not particularly shown because it appears symmetrically with the left side view shown in FIG. Further, in FIG. 3, in order to facilitate understanding of the chamfered portions 3d and 4d described later, the protrusion of the side piece 4 that is actually hidden behind the side piece 3 when the sheet fixing frame 1 is viewed from the side. The enlarged side view of the part 4c is shown in the circle shown by the broken line.

シート定着フレーム１は、たとえば、図８に示すように、ビニールハウスＨの奥行方向に平行に設置される複数のアーチ状のパイプＰに対して奥行方向に沿って複数が平行して架け渡される他、ビニールハウスＨの妻面にも地面に対して平行にしてパイプＰに取り付けられる。このようにシート定着フレーム１は、ビニールハウスＨの妻面、側面および屋根面等に必要とされるだけ適宜配置されてパイプＰに取り付けられ、パイプＰとともにビニールハウスＨの骨組の一部を成している。 As shown in FIG. 8, for example, a plurality of sheet fixing frames 1 are bridged in parallel with a plurality of arched pipes P installed in parallel in the depth direction of the greenhouse H along the depth direction. In addition, it is also attached to the pipe P parallel to the ground on the wife surface of the vinyl house H. In this way, the sheet fixing frame 1 is appropriately arranged and attached to the pipe P as much as necessary on the end surface, side surface, roof surface, etc. of the vinyl house H, and forms a part of the frame of the vinyl house H together with the pipe P. is doing.

そして、シート定着フレーム１は、ビニールハウスＨの骨組の組立が終了した後、骨組の上から被せられるシートＳを前記骨組に定着させて、ビニールハウスの妻面、屋根面、側面等にシートＳを展張するために利用される。 Then, in the sheet fixing frame 1, after the assembly of the frame of the vinyl house H is completed, the sheet S covered from above the frame is fixed to the frame, and the sheet S is fixed to the wife surface, roof surface, side surface, etc. of the vinyl house. It is used to expand.

以下シート定着フレーム１の各構成について詳細に説明する。シート定着フレーム１は、図２から図６に示すように、一枚の板材を折り曲げ成型することで形成された底片２と側片３，４とを備えた長尺なフレーム材であって、延長方向の一端にスエージ加工によって縮小されて形成される縮小部Ｒを備えている。縮小部Ｒは、シート定着フレーム１の縮小部Ｒ以外の部分の断面形状を縮小させた形状と一部の形状を除いてほぼ同様の断面形状を有している。 Hereinafter, each configuration of the sheet fixing frame 1 will be described in detail. As shown in FIGS. 2 to 6, the sheet fixing frame 1 is a long frame material including a bottom piece 2 and side pieces 3 and 4 formed by bending and molding a single plate material. A reduced portion R formed by being reduced by swage processing is provided at one end in the extension direction. The reduced portion R has substantially the same cross-sectional shape as the shape obtained by reducing the cross-sectional shape of the portion of the sheet fixing frame 1 other than the reduced portion R, except for a part of the shape.

底片２は、シート定着フレーム１の図１中下側にシート定着フレーム１の延長方向に沿って設けられ、図１中奥行方向に延びている。底片２は、図１中で左右両端に下方へ向けて湾曲されて形成される湾曲部２ａ，２ａを備え、中央部２ｂが湾曲部２ａ，２ａの下端より少し上方側に配置されている。また、底片２は、中央部２ｂの中央に、底片２の長手方向に沿って図１中で下方となる反溝側に向けて突出する折曲部２ｃと、底片２の縮小部Ｒに該当する部分を除いて中央部２ｂの両端における湾曲部２ａ，２ａとの境の２箇所に底片２の長手方向に沿って折曲部２ｃと平行して図１中で下方となる反溝側に向けて突出する２つの折曲部２ｄ，２ｄとを備えている。中央の折曲部２ｃは、縮小部Ｒにも形成されており、溝５側から見ると底片２の全長に渡って延長方向に沿って連続する細溝を形成している。また、本実施の形態のシート定着フレーム１にあっては、３つの折曲部２ｃ，２ｄ，２ｄの下端は、湾曲部２ａ，２ａの下端と同じレベルとなっており、底片２をパイプＰに直交するように突き当てた際に湾曲部２ａ，２ａおよび折曲部２ｃ，２ｄ，２ｄがパイプＰに当接して、シート定着フレーム１がパイプＰにガタつくことなく当接できる。なお、折曲部２ｃ，２ｄ，２ｄの下端が湾曲部２ａ，２ａの下端よりも下方に突出しており、底片２における最下端を形成していてもよく、この場合も、３つの折曲部２ｃ，２ｄ，２ｄが３点でパイプＰに接触するのでシート定着フレーム１がパイプＰにガタつくことなく当接できる。 The bottom piece 2 is provided on the lower side of the sheet fixing frame 1 in the middle of FIG. 1 along the extension direction of the sheet fixing frame 1, and extends in the depth direction in the middle of FIG. The bottom piece 2 includes curved portions 2a and 2a formed by being curved downward at both left and right ends in FIG. 1, and a central portion 2b is arranged slightly above the lower ends of the curved portions 2a and 2a. Further, the bottom piece 2 corresponds to a bent portion 2c protruding toward the anti-groove side, which is downward in FIG. 1 along the longitudinal direction of the bottom piece 2, and a reduced portion R of the bottom piece 2 in the center of the central portion 2b. At two points on the boundary between the curved portions 2a and 2a at both ends of the central portion 2b, parallel to the bent portion 2c along the longitudinal direction of the bottom piece 2 on the lower anti-groove side in FIG. It has two bent portions 2d and 2d that project toward it. The central bent portion 2c is also formed in the reduced portion R, and when viewed from the groove 5 side, forms a continuous narrow groove along the extension direction over the entire length of the bottom piece 2. Further, in the sheet fixing frame 1 of the present embodiment, the lower ends of the three bent portions 2c, 2d, and 2d are at the same level as the lower ends of the curved portions 2a, 2a, and the bottom piece 2 is piped P. The curved portions 2a, 2a and the bent portions 2c, 2d, and 2d abut on the pipe P when they are abutted so as to be orthogonal to the pipe P, and the sheet fixing frame 1 can abut on the pipe P without rattling. The lower ends of the bent portions 2c, 2d, and 2d may protrude below the lower ends of the curved portions 2a and 2a to form the lowermost end of the bottom piece 2. In this case as well, the three bent portions may be formed. Since 2c, 2d, and 2d come into contact with the pipe P at three points, the sheet fixing frame 1 can come into contact with the pipe P without rattling.

中央の折曲部２ｃは、シート定着フレーム１の底片２をパイプＰにビス止めする際に、底片２に図外のビスの先端を挿入可能な細溝を形成しており、当該細溝内にビスの先端を挿入すればビスをねじ込む際にビスの先端が溝５の幅方向へずれることなく底片２を貫通してパイプＰへ螺着させ得る。このように、中央の折曲部２ｃは、シート定着フレーム１のパイプＰ等へのビス止めの際の作業員のビス止め作業を助けるために利用できる。ビス止め作業のためには、中央の折曲部２ｃを底片２へ設けるだけで足りるが、加工誤差によって中央の折曲部２ｃが湾曲部２ａ，２ａの下端より図１中下方へ突出してしまうと、底片２をパイプＰに当接させた際に、パイプＰが中央の折曲部２ｃと２つの湾曲部２ａ，２ａの一方としか接触せずに他方の湾曲部２ａとパイプＰとの間に隙間が生じてシート定着フレーム１のパイプＰへの座りが悪くガタついてしまう。ところが、本実施の形態のシート定着フレーム１のように、底片２に中央の折曲部２ｃの他に同じ高さの左右の折曲部２ｄ，２ｄを追加して設けると、湾曲部２ａ，２ａの下端より３つの折曲部２ｃ，２ｄ，２ｄが下方へ突出しても３つの折曲部２ｃ，２ｄ，２ｄが均等にパイプＰに当接するのでシート定着フレーム１をパイプＰへガタつかずに当接させ得る。 The central bent portion 2c forms a narrow groove in which the tip of a screw (not shown) can be inserted into the bottom piece 2 when the bottom piece 2 of the sheet fixing frame 1 is screwed to the pipe P. If the tip of the screw is inserted into the pipe, the tip of the screw can penetrate the bottom piece 2 and be screwed to the pipe P without shifting in the width direction of the groove 5 when the screw is screwed. As described above, the central bent portion 2c can be used to assist the worker in screwing the sheet fixing frame 1 to the pipe P or the like. For the screw fixing work, it is sufficient to provide the central bent portion 2c on the bottom piece 2, but due to a processing error, the central bent portion 2c protrudes downward in FIG. 1 from the lower ends of the curved portions 2a and 2a. When the bottom piece 2 is brought into contact with the pipe P, the pipe P comes into contact with only one of the central bent portion 2c and the two curved portions 2a and 2a, and the other curved portion 2a and the pipe P come into contact with each other. A gap is created between them, which makes it difficult for the seat fixing frame 1 to sit on the pipe P and rattles. However, when the left and right bent portions 2d and 2d having the same height are additionally provided on the bottom piece 2 in addition to the central bent portion 2c as in the sheet fixing frame 1 of the present embodiment, the curved portions 2a, Even if the three bent portions 2c, 2d, and 2d project downward from the lower end of 2a, the three bent portions 2c, 2d, and 2d evenly contact the pipe P, so that the sheet fixing frame 1 does not rattle to the pipe P. Can be brought into contact with.

なお、本実施の形態のシート定着フレーム１における底片２は、湾曲部２ａ，２ａ、中央部２ｂおよび３つの折曲部２ｃ，２ｄ，２ｄを備えているので、断面二次モーメントが大きくなり底片２の曲げに対する剛性を向上させ得る点で有利であるが、底片２の形状については、湾曲部２ａ，２ａおよび折曲部２ｃ，２ｄ，２ｄの有無についても任意に設計変更でき、凹凸の無い平板状とされてもよい。また、シート定着フレーム１のビス止めには、底片２の溝５側に前記細溝を形成すればよいので、底片２の下面に突条が形成されないような加工によって底片２に前記細溝を形成してもよい。 Since the bottom piece 2 in the sheet fixing frame 1 of the present embodiment includes the curved portions 2a and 2a, the central portion 2b and the three bent portions 2c, 2d and 2d, the moment of inertia of area becomes large and the bottom piece It is advantageous in that the rigidity against bending of 2 can be improved, but the shape of the bottom piece 2 can be arbitrarily changed with respect to the presence or absence of the curved portions 2a and 2a and the bent portions 2c, 2d and 2d, and there is no unevenness. It may be in the shape of a flat plate. Further, since the fine groove may be formed on the groove 5 side of the bottom piece 2 for screwing the sheet fixing frame 1, the fine groove is formed on the bottom piece 2 by processing so that no ridge is formed on the lower surface of the bottom piece 2. It may be formed.

また、底片２の縮小部Ｒの部分には、縮小部Ｒの部分における底片２の中央部２ｂに、折曲部２ｃを挟んで底片２の延長方向に沿って平行に溝５側に突出する２つのリブ２ｅ，２ｅを備えている。リブ２ｅ，２ｅは、底片２に設けられなくともよいが、シート定着フレーム１の一端に縮小部Ｒを形成するスエージ加工によってシート定着フレーム１の断面を全体的に縮小させる際にリブ２ｅ，２ｅの形成によって肉の逃げを許容して縮小部Ｒにおいてスプリングバックや大きな残留応力が生じないようにしている。 Further, in the reduced portion R portion of the bottom piece 2, the bent portion 2c is sandwiched between the central portion 2b of the bottom piece 2 in the reduced portion R portion, and the portion protrudes parallel to the groove 5 side along the extension direction of the bottom piece 2. It has two ribs 2e and 2e. The ribs 2e and 2e do not have to be provided on the bottom piece 2, but the ribs 2e and 2e are used when the cross section of the sheet fixing frame 1 is reduced as a whole by sage processing to form a reduced portion R at one end of the sheet fixing frame 1. The formation of the film allows the escape of meat so that springback and large residual stress do not occur in the reduced portion R.

つづいて、底片２の両端から起立する側片３，４は、図１左右対称形状に形成されており、ともに、底片２の長手側となる図１中左端または右端から、外側に湾曲しながら立ち上がる湾曲側部３ａ，４ａと、この湾曲側部３ａ，４ａの反底片側端部から図１中上方へ向けて立ち上がる立上部３ｂ，４ｂと、側片３，４の底片２とは反対側となる先端側となる立上部３ｂ，４ｂの反湾曲部端側に連なって互いに溝５側に向けて突出する突出部３ｃ，４ｃとを備えている。 Next, the side pieces 3 and 4 that stand up from both ends of the bottom piece 2 are formed in a symmetrical shape in FIG. 1, and both are curved outward from the left end or the right end in FIG. 1, which is the longitudinal side of the bottom piece 2. The rising curved side portions 3a and 4a, the rising upper portions 3b and 4b rising upward in FIG. 1 from the opposite bottom one side end of the curved side portions 3a and 4a, and the opposite side to the bottom piece 2 of the side pieces 3 and 4. It is provided with protruding portions 3c and 4c which are connected to the end side of the anti-curved portion of the rising portions 3b and 4b which are the tip side and project to each other toward the groove 5 side.

湾曲側部３ａ，４ａは、図１に示すように、底片２の両端の湾曲部２ａ，２ａに連なって互いに離間する方向に凸となる円弧状に形成されている。立上部３ｂ，４ｂは、それぞれ湾曲側部３ａ，４ａの上端に連なって徐々に向きを底片２に対して徐々に略垂直となるように姿勢を変化させながら互いに対向して立ち上がっている。よって、底片２および側片３，４とで形成される溝５の湾曲側部３ａ，４ａ間の幅の方が立上部３ｂ，４ｂ間の幅よりも広くなっており、後述する溝５内に収容される止め材６が溝５内の湾曲側部３ａ，４ａ間に挿入されると止め材６が湾曲側部３ａ，４ａ間から脱落しにくくなっている。なお、本実施の形態のシート定着フレーム１では、側片３，４は、湾曲側部３ａ，４ａと、立上部３ｂ，４ｂとを備えているが、基端から突出部３ｃ，４ｃに到達するまで直線状となっていてもよい。また、立上部３ｂ，４ｂは、湾曲側部３ａ，４ａに連なる部分を除いて互いに底片２に対して略垂直になっているが、溝５の開口部側の幅を狭めるように傾斜する姿勢で設けられてもよい。 As shown in FIG. 1, the curved side portions 3a and 4a are formed in an arc shape that is continuous with the curved portions 2a and 2a at both ends of the bottom piece 2 and is convex in a direction away from each other. The rising portions 3b and 4b are connected to the upper ends of the curved side portions 3a and 4a, respectively, and stand up facing each other while gradually changing their postures so that their orientations are gradually substantially perpendicular to the bottom piece 2. Therefore, the width between the curved side portions 3a and 4a of the groove 5 formed by the bottom piece 2 and the side pieces 3 and 4 is wider than the width between the rising portions 3b and 4b, and the inside of the groove 5 described later. When the stopper 6 accommodated in the groove 5 is inserted between the curved side portions 3a and 4a, the stopper 6 is less likely to fall off from the curved side portions 3a and 4a. In the sheet fixing frame 1 of the present embodiment, the side pieces 3 and 4 include curved side portions 3a and 4a and rising portions 3b and 4b, but reach the protruding portions 3c and 4c from the base end. It may be linear until it does. Further, the rising portions 3b and 4b are substantially perpendicular to each other with respect to the bottom piece 2 except for the portion connected to the curved side portions 3a and 4a, but the posture is inclined so as to narrow the width of the groove 5 on the opening side. It may be provided in.

突出部３ｃ，４ｃは、側片３，４の先端を溝５の内側へ向けて湾曲させて折り曲げ成型されることによって設けられていて、断面が略角丸三角形状となっていて折り曲げられてできる先端側の頂点部分を最も互いに接近させるように溝５側に突出させている。突出部３ｃ，４ｃの互いに向き合う溝５側の面は、溝５内に挿入されたシートＳに当接する部位であるので尖った形状とならないように湾曲面とされているが、シートＳを傷めない形状であれば任意に設計変更できる。また、本実施の形態のシート定着フレーム１は、板材を折り曲げて成型しているので、突出部３ｃ，４ｃに相当する部分については板材を湾曲に折り曲げて形成されているが、シート定着フレーム１を引き抜き加工或いは押し出し加工によって製造する場合、突出部３ｃ，４ｃは折り曲げて成型する必要なない。なお、シート定着フレーム１を引き抜き加工或いは押し出し加工によって製造する場合でも、突出部３ｃ，４ｃの互いに向き合う溝５側の形状も前述した通りシートＳを傷めない形状であれば任意に設定できる。 The protrusions 3c and 4c are provided by bending the tips of the side pieces 3 and 4 toward the inside of the groove 5 and bending them, and the cross section has a substantially rounded triangular shape and is bent. The apex portions on the tip side are projected toward the groove 5 so as to be closest to each other. The surface of the protrusions 3c and 4c on the groove 5 side facing each other is a portion that abuts on the sheet S inserted in the groove 5, so that the surface is curved so as not to have a sharp shape, but the sheet S is damaged. If there is no shape, the design can be changed arbitrarily. Further, since the sheet fixing frame 1 of the present embodiment is formed by bending the plate material, the portion corresponding to the protruding portions 3c and 4c is formed by bending the plate material in a curved manner, but the sheet fixing frame 1 When the protrusions 3c and 4c are manufactured by drawing or extruding, the protrusions 3c and 4c do not need to be bent and molded. Even when the sheet fixing frame 1 is manufactured by drawing or extruding, the shape of the protrusions 3c and 4c on the groove 5 side facing each other can be arbitrarily set as long as the shape does not damage the sheet S as described above.

このように構成された底片２と各側片３，４とは、前述した通り、シート定着フレーム１の内方に溝５を形成している。溝５の開口部の幅Ｗ１は、図１に示すように、側片３，４の先端から内側となる溝５側に向けて突出する突出部３ｃ，４ｃ間の間隔で決せられており、溝５の底部の最大の幅Ｗ２は、側片３，４の湾曲側部３ａ，４ａ間の間隔で決せされており、幅Ｗ１が幅Ｗ２よりも狭くなっている。よって、溝５は、開口部の幅が狭い蟻溝形状となっている。 As described above, the bottom piece 2 and the side pieces 3 and 4 configured in this way form a groove 5 inward of the sheet fixing frame 1. As shown in FIG. 1, the width W1 of the opening of the groove 5 is determined by the distance between the protrusions 3c and 4c protruding from the tips of the side pieces 3 and 4 toward the inner groove 5 side. The maximum width W2 at the bottom of the groove 5 is determined by the distance between the curved side portions 3a and 4a of the side pieces 3 and 4, and the width W1 is narrower than the width W2. Therefore, the groove 5 has a dovetail groove shape in which the width of the opening is narrow.

また、図２および図６に示すように、シート定着フレーム１の一端の縮小部Ｒにおける側片３，４は、立上部３ｂ，４ｂの上方側が溝５側へ向けて底片２に平行となるように折り曲げられている。よって、縮小部Ｒにおける突出部３ｃ，４ｃの位置は、シート定着フレーム１の縮小部Ｒ以外の部分の突出部３ｃ，４ｃの位置より溝５の内側に配置される。 Further, as shown in FIGS. 2 and 6, the side pieces 3 and 4 in the reduced portion R at one end of the sheet fixing frame 1 have the upper side of the rising portions 3b and 4b parallel to the bottom piece 2 toward the groove 5 side. It is bent like this. Therefore, the positions of the protruding portions 3c and 4c in the reduced portion R are arranged inside the groove 5 from the positions of the protruding portions 3c and 4c in the portion other than the reduced portion R of the sheet fixing frame 1.

そして、シート定着フレーム１における縮小部Ｒの高さは、シート定着フレーム１の一端へ向かうほど高さが低くなるようにスエージ加工されており、シート定着フレーム１の一端となる縮小部Ｒの末端の高さがシート定着フレーム１の他端の溝５の高さよりも低くなっている。また、縮小部Ｒは、２段に縮小形成されて縮小部Ｒの先端側となる一端側が基端側よりも断面形状が縮小されている。 The height of the reduced portion R in the sheet fixing frame 1 is swaged so that the height becomes lower toward one end of the sheet fixing frame 1, and the end of the reduced portion R which is one end of the sheet fixing frame 1 Is lower than the height of the groove 5 at the other end of the sheet fixing frame 1. Further, the reduced portion R is reduced and formed in two stages, and the cross-sectional shape of the one end side, which is the tip end side of the reduced portion R, is smaller than that of the base end side.

つまり、本実施の形態のシート定着フレーム１の縮小部Ｒは、先端に向かうと途中で断面形状が段階的に縮小しており、高さも先端側へ向かうほど徐々に低くなっている。 That is, the reduced portion R of the sheet fixing frame 1 of the present embodiment is gradually reduced in cross-sectional shape toward the tip, and the height is gradually lowered toward the tip.

このように、シート定着フレーム１の一端の縮小部Ｒは、図８に示すように、シート定着フレーム１の他の部分よりも断面形状が縮小されたような形状となっているため、隣に配置される他のシート定着フレーム１の他端の溝５内に差し込んで嵌合できる。なお、側片３，４の立上部３ｂ，４ｂの上方側が前述したように折り曲げ成型されているので、縮小部Ｒにおける側片３，４の先端に設けられた突出部３ｃ，４ｃは溝５の内側へ配置されるため、当該縮小部Ｒを他のシート定着フレーム１の他端側に差し込んだ際に当該他のシート定着フレーム１の他端部における突出部３ｃ，４ｃに干渉せずに当該突出部３ｃ，４ｃの内側へ入り込んで縮小部Ｒを容易に他のシート定着フレーム１の他端に差し込める。 As described above, as shown in FIG. 8, the reduced portion R at one end of the sheet fixing frame 1 has a shape in which the cross-sectional shape is reduced as compared with the other portions of the sheet fixing frame 1, so that the reduced portion R is adjacent to the reduced portion R. It can be fitted by being inserted into the groove 5 at the other end of the other sheet fixing frame 1 to be arranged. Since the upper side of the rising portions 3b and 4b of the side pieces 3 and 4 is bent and molded as described above, the protruding portions 3c and 4c provided at the tips of the side pieces 3 and 4 in the reduced portion R are grooves 5. When the reduced portion R is inserted into the other end side of the other sheet fixing frame 1, the reduced portion R does not interfere with the protruding portions 3c and 4c at the other end portion of the other sheet fixing frame 1. The reduced portion R can be easily inserted into the other end of the other sheet fixing frame 1 by entering the inside of the protruding portions 3c and 4c.

また、本実施の形態のシート定着フレーム１の縮小部Ｒは、２段に縮小形成されて先端側が基端側よりも断面形状が縮小されているので、他のシート定着フレーム１への差し込みが一層容易となり、ビニールハウスＨを建設する作業者の工事負担を軽減できる。 Further, since the reduced portion R of the sheet fixing frame 1 of the present embodiment is reduced and formed in two stages and the cross-sectional shape of the tip side is smaller than that of the base end side, it can be inserted into another sheet fixing frame 1. It becomes easier and the construction burden on the worker who constructs the vinyl house H can be reduced.

このように、一のシート定着フレーム１は、縮小部Ｒを他のシート定着フレーム１の他端の溝５内に嵌合させることができるので、ビニールハウスＨの長さに応じて複数本のシート定着フレーム１を必要となる本数分だけ連結してビニールハウスＨのパイプＰ等に連結すれば、ビニールハウスＨの妻面、屋根面および側面等に連続したシートＳを定着させるための溝５を設置できる。 In this way, one sheet fixing frame 1 can fit the reduced portion R into the groove 5 at the other end of the other sheet fixing frame 1, so that a plurality of sheets can be fitted according to the length of the vinyl house H. If the sheet fixing frames 1 are connected by the required number and connected to the pipe P or the like of the vinyl house H, the groove 5 for fixing the continuous sheet S on the end surface, the roof surface, the side surface or the like of the vinyl house H is 5 Can be installed.

また、縮小部Ｒにおける側片３，４の先端に設けられた突出部３ｃ，４ｃの末端には、互いに向き合う先端部分に面取り部３ｄ，４ｄが設けられている。詳細には、縮小部Ｒにおける突出部３ｃ，４ｃは、スエージ加工によって、先端側に向けて徐々に押しつぶされて断面が図１中で左右方向に圧縮するように変形しているとともに、シート定着フレーム１の一端となる末端に面取り部３ｄ，４ｄが設けられている。 Further, at the ends of the protruding portions 3c and 4c provided at the tips of the side pieces 3 and 4 in the reduced portion R, chamfered portions 3d and 4d are provided at the tip portions facing each other. Specifically, the protruding portions 3c and 4c in the reduced portion R are gradually crushed toward the tip side by swage processing, and the cross section is deformed so as to be compressed in the left-right direction in FIG. 1 and the sheet is fixed. Chamfered portions 3d and 4d are provided at the end of the frame 1.

面取り部３ｄ，４ｄは、図２および図６に示すように、スエージ加工によって図２中左右方向へ押しつぶされた突出部３ｃ，４ｃの互いに向き合う溝５側であって先端部分の図中で下方側となる底片２側を斜めに切り取るようにして形成されている。つまり、この場合、面取り部３ｄ，４ｄは、図９の破線で示すように、突出部３ｃ，４ｃの延長方向の端面における溝５の内側であって下端部分の縁（エッジ）Ｅを含む部分を切り取るように設けられている。このように突出部３ｃ，４ｃに面取り部３ｄ，４ｄが設けられているので、突出部３ｃ，４ｃの末端の端面における溝５側であって底片２側の鋭利な縁Ｅが取り除かれている。なお、突出部３ｃ，４ｃの断面が円形状である場合、突出部３ｃ，４ｃの端部であって互いに向き合う溝５側かつ底片２側に面取り部３ｄ，４ｄを設ければよい。突出部３ｃ，４ｃの前記部分に面取り部３ｄ，４ｄを設けると突出部３ｃ，４ｃの端面の溝５側かつ底片２側の鋭利な縁Ｅが取り除かれているため、シート定着フレーム１の一端部分に挿入されるシートＳが当該縁Ｅに当接せずに済む。 As shown in FIGS. 2 and 6, the chamfered portions 3d and 4d are the grooves 5 sides of the protruding portions 3c and 4c crushed in the left-right direction in FIG. It is formed so that the bottom piece 2 side, which is the side, is cut off diagonally. That is, in this case, as shown by the broken line in FIG. 9, the chamfered portions 3d and 4d are the portions inside the groove 5 on the end faces of the protruding portions 3c and 4c in the extension direction and including the edge E of the lower end portion. It is provided to cut out. Since the chamfered portions 3d and 4d are provided on the protruding portions 3c and 4c in this way, the sharp edge E on the groove 5 side and the bottom piece 2 side on the end faces of the ends of the protruding portions 3c and 4c is removed. .. When the cross sections of the projecting portions 3c and 4c are circular, the chamfered portions 3d and 4d may be provided on the groove 5 side and the bottom piece 2 side which are the ends of the projecting portions 3c and 4c and face each other. When the chamfered portions 3d and 4d are provided in the portions of the protruding portions 3c and 4c, the sharp edges E on the groove 5 side and the bottom piece 2 side of the end faces of the protruding portions 3c and 4c are removed, so that one end of the sheet fixing frame 1 is removed. The sheet S inserted into the portion does not have to come into contact with the edge E.

なお、本実施の形態のシート定着フレーム１では、面取り部３ｄ，４ｄを設ける範囲は、突出部３ｃ，４ｃのほぼ全体に亘って設けられているが、突出部３ｃ，４ｃにおける前記部分の縁Ｅを取り除くことができる態様で設けられれば良い。 In the sheet fixing frame 1 of the present embodiment, the range in which the chamfered portions 3d and 4d are provided is provided over almost the entire protruding portions 3c and 4c, but the edges of the portions in the protruding portions 3c and 4c are provided. It may be provided in such a manner that E can be removed.

また、面取り部３ｄ，４ｄは、図１０および図１１に示すように、シート定着フレーム１の一端に設けられた縮小部Ｒにおける突出部３ｃ，４ｃの末端を底片２に対して垂直に斜めに切り落としてできる形状となっていてもよい。この場合も、突出部３ｃ，４ｃの末端における溝５側であって底片２側の縁Ｅが切り落とされた格好となる。さらに、面取り部３ｄ，４ｄは、前記縁Ｅを突出部３ｃ，４ｃから取り除ける態様であれば溝５側に向けて膨らむ球面或いは湾曲面で形成されていてもよい。面取り部３ｄ，４ｄは、左右の側片３，４の突出部３ｃ，４ｃに対して設けられる範囲および形状が対称となるように設置されているが、前記縁Ｅを突出部３ｃ，４ｃから取り除ける態様であれば左右の突出部３ｃ，４ｃで範囲および形状がそれぞれ対象とならずに異なっていてもよい。 Further, as shown in FIGS. 10 and 11, in the chamfered portions 3d and 4d, the ends of the protruding portions 3c and 4c in the reduced portion R provided at one end of the sheet fixing frame 1 are obliquely oblique to the bottom piece 2. It may have a shape that can be cut off. Also in this case, the edge E on the groove 5 side and the bottom piece 2 side at the ends of the protrusions 3c and 4c is cut off. Further, the chamfered portions 3d and 4d may be formed of a spherical surface or a curved surface that swells toward the groove 5 side as long as the edge E can be removed from the protruding portions 3c and 4c. The chamfered portions 3d and 4d are installed so that the ranges and shapes provided with respect to the protruding portions 3c and 4c of the left and right side pieces 3 and 4 are symmetrical, and the edge E is provided from the protruding portions 3c and 4c. As long as it can be removed, the range and shape of the left and right protrusions 3c and 4c may be different without being targeted.

このように構成されたシート定着フレーム１は、前述した通り、隣り合うシート定着フレーム１の一端側の縮小部Ｒを他方のシート定着フレーム１の他端部の溝５内に差し込んで連結されて、ビニールハウスＨのパイプＰに連結される。 As described above, the sheet fixing frames 1 configured in this way are connected by inserting the reduced portion R on one end side of the adjacent sheet fixing frames 1 into the groove 5 at the other end of the other sheet fixing frame 1. , Connected to the pipe P of the vinyl house H.

そして、このように構成されたシート定着フレーム１にシートＳを定着するには、以下のようにする。まず、シート定着フレーム１の溝５内にシートＳを挿入し、このシートＳを押えるために、止め材６をシートＳの上から、溝５に挿入する。この止め材６は、図８に示すように、弾性を備えた波型の線材で形成されていて幅方向に圧縮力が作用すると反発して弾発力を発生する。よって、止め材６をシートＳの上から弾性変形させながら溝５内に挿入すると止め材６が側片３，４間で圧縮されてシートＳを側片３，４へ押し付ける弾発力を発生して、シートＳをシート定着フレーム１に強固に定着させる。止め材６は、溝５内で最も幅が広くなる側片３，４の湾曲側部３ａ，４ａ間に収容されるため、シートＳに張力が働いて幅方向に押し縮められる力が働いても溝５からの脱落が防止される。 Then, in order to fix the sheet S to the sheet fixing frame 1 configured in this way, the following is performed. First, the sheet S is inserted into the groove 5 of the sheet fixing frame 1, and the stopper 6 is inserted into the groove 5 from above the sheet S in order to press the sheet S. As shown in FIG. 8, the stopper 6 is formed of a corrugated wire having elasticity, and when a compressive force acts in the width direction, it repels and generates elastic force. Therefore, when the stopper 6 is inserted into the groove 5 while being elastically deformed from above the sheet S, the stopper 6 is compressed between the side pieces 3 and 4 to generate an elastic force that presses the sheet S against the side pieces 3 and 4. Then, the sheet S is firmly fixed to the sheet fixing frame 1. Since the stopper 6 is accommodated between the curved side portions 3a and 4a of the side pieces 3 and 4 having the widest width in the groove 5, tension acts on the sheet S and a force for compressing in the width direction acts. Also, it is prevented from falling out of the groove 5.

なお、このようにシートＳが定着されたシート定着フレーム１の溝５内にさらに別のシートを重ねて定着させる場合、シートＳを定着させている止め材６の上から溝５内に別の定着させたいシートを挿入し、この別のシートの上から別の止め材６を溝５内に挿入すればよい。別の止め材６は、側片３，４の立上部３ｂ，４ｂ間に幅方向に圧縮された状態で収容されるが、溝５の立上部３ｂ，４ｂ間の幅よりも突出部３ｃ，４ｃ間の幅Ｗ１の方が狭いため、止め材６が溝５内に収容された状態に維持される。このようにシート定着フレーム１には複数のシートＳを定着させ得る。なお、止め材６は、シートＳに溝５内で側片３，４へ押し付けてシートＳをシート定着フレーム１に定着させ得るものであれば前述した波型の線材以外の部品であってもよい。 When another sheet is laminated and fixed in the groove 5 of the sheet fixing frame 1 in which the sheet S is fixed in this way, another sheet is placed in the groove 5 from above the stopper 6 on which the sheet S is fixed. The sheet to be fixed may be inserted, and another stopper 6 may be inserted into the groove 5 from above the other sheet. Another stopper 6 is accommodated in a state of being compressed in the width direction between the rising portions 3b and 4b of the side pieces 3 and 4, but the protrusion 3c, which is larger than the width between the rising portions 3b and 4b of the groove 5. Since the width W1 between 4c is narrower, the stopper 6 is maintained in a state of being accommodated in the groove 5. In this way, a plurality of sheets S can be fixed to the sheet fixing frame 1. The stopper 6 may be a component other than the above-mentioned corrugated wire as long as it can be pressed against the side pieces 3 and 4 against the sheet S in the groove 5 to fix the sheet S to the sheet fixing frame 1. good.

このようにシートＳがシート定着フレーム１に定着されると、シート定着フレーム１同士が接合される縮小部Ｒにおいては、断面形状が縮小されているため溝５の容積がシート定着フレーム１の縮小部Ｒ以外の部位よりも小さくなるが、縮小部Ｒの端部の突出部３ｃ，４ｃの先端であって溝５側かつ底片２側には面取り部３ｄ，４ｄが設けられているためにシートＳが面取り部３ｄ，４ｄに接触するが面取り部３ｄ，４ｄを設けることで取り除かれている鋭利な縁Ｅに接触することない。よって、シートＳのシート定着フレーム１への定着作業時或いはシートＳをシート定着フレーム１に定着した後にシートＳが風などに起因してシート定着フレーム１に対して振動してもシートＳが傷んでしまうのを防止できる。 When the sheet S is fixed to the sheet fixing frame 1 in this way, the volume of the groove 5 is reduced in the reduced portion R where the sheet fixing frames 1 are joined to each other because the cross-sectional shape is reduced. Although it is smaller than the parts other than the part R, it is the tip of the protruding parts 3c and 4c at the end of the reduced part R, and the chamfered parts 3d and 4d are provided on the groove 5 side and the bottom piece 2 side. S comes into contact with the chamfered portions 3d and 4d, but does not come into contact with the sharp edge E removed by providing the chamfered portions 3d and 4d. Therefore, even if the sheet S vibrates with respect to the sheet fixing frame 1 due to wind or the like during the fixing work of the sheet S to the sheet fixing frame 1 or after the sheet S is fixed to the sheet fixing frame 1, the sheet S is damaged. It can be prevented from becoming.

このように本実施の形態のシート定着フレーム１は、底片２と底片２の両端から起立する一対の側片３，４とを有して底片２と各側片３，４との間で開口部の幅Ｗ１が底片２側の幅Ｗ２よりも狭い溝５を形成して溝５内に挿入されるシートＳを溝５内に挿入される止め材６により定着させるシート定着フレーム１であって、各側片３，４は底片２とは反対側の先端に互いに溝５側に向けて突出する突出部３ｃ，４ｃを有し、各突出部３ｃ，４ｃは、シート定着フレーム１の延長方向の少なくとも一端における互いに向き合う先端部分に面取り部３ｄ，４ｄを有している。このように構成されたシート定着フレーム１によれば、突出部３ｃ，４ｃの端面の鋭利な縁Ｅへの接触が面取り部３ｄ，４ｄによって取り除かれているため溝５内に定着されたシートＳが前記鋭利な縁に接触することがないから、シートＳの劣化を抑制できる。 As described above, the sheet fixing frame 1 of the present embodiment has a bottom piece 2 and a pair of side pieces 3 and 4 standing up from both ends of the bottom piece 2 and is opened between the bottom piece 2 and the side pieces 3 and 4. A sheet fixing frame 1 in which a groove 5 having a portion width W1 narrower than the width W2 on the bottom piece 2 side is formed and a sheet S inserted into the groove 5 is fixed by a stopper 6 inserted into the groove 5. Each of the side pieces 3 and 4 has protrusions 3c and 4c protruding toward the groove 5 side from each other at the tip opposite to the bottom piece 2, and each of the protrusions 3c and 4c extends in the extension direction of the sheet fixing frame 1. The chamfered portions 3d and 4d are provided at the tip portions facing each other at at least one end of the above. According to the sheet fixing frame 1 configured in this way, the sheet S fixed in the groove 5 because the contact of the end faces of the protruding portions 3c and 4c with the sharp edges E is removed by the chamfered portions 3d and 4d. Does not come into contact with the sharp edge, so that deterioration of the sheet S can be suppressed.

なお、シート定着フレーム１の延長方向において、面取り部３ｄ，４ｄにおける突出部３ｃ，４ｃの端部からの長さは可能な限り長い方がよい。面取り部３ｄ，４ｄの長さが長くなるほど、面取り部３ｄ，４ｄを平面上に形成した場合、図９に示すように、面取り部３ｄ，４ｄの終端と突出部３ｃ，４ｃの溝５側の面との交点Ｃの角度θが大きくなるため、当該交点Ｃの部分においてシートＳの劣化を防止できる。 In the extension direction of the sheet fixing frame 1, the lengths from the ends of the protruding portions 3c and 4c in the chamfered portions 3d and 4d should be as long as possible. When the chamfered portions 3d and 4d are formed on a plane as the length of the chamfered portions 3d and 4d becomes longer, as shown in FIG. 9, the ends of the chamfered portions 3d and 4d and the protrusions 3c and 4c on the groove 5 side. Since the angle θ of the intersection C with the surface becomes large, deterioration of the sheet S can be prevented at the portion of the intersection C.

また、本実施の形態のシート定着フレーム１における面取り部３ｄ，４ｄは、各突出部３ｃ，４ｃの先端部分の底片２側を切り取るように形成されている。このように構成されたシート定着フレーム１によれば、突出部３ｃ，４ｃの上端側となる反底片側には面取り部３ｄ，４ｄが設けられないので突出部３ｃ，４ｃの反底片側に面取り部３ｄ，４ｄの縁ができない。よって、シート定着フレーム１に定着されたシートＳに大きな張力が作用した場合に、突出部３ｃ，４ｃの上端側でシートＳから受ける力を受けて面取り部３ｄ，４ｄの縁にシートＳが強く押し付けられるのを防止できるので、より効果的にシートＳの劣化を防止できる。 Further, the chamfered portions 3d and 4d in the sheet fixing frame 1 of the present embodiment are formed so as to cut off the bottom piece 2 side of the tip portions of the protruding portions 3c and 4c. According to the sheet fixing frame 1 configured in this way, the chamfered portions 3d and 4d are not provided on the opposite bottom one side which is the upper end side of the protruding portions 3c and 4c, so that the chamfered portions 3c and 4c are chamfered on the opposite bottom one side. The edges of parts 3d and 4d cannot be formed. Therefore, when a large tension acts on the sheet S fixed to the sheet fixing frame 1, the sheet S is strongly applied to the edges of the chamfered portions 3d and 4d by receiving the force received from the sheet S on the upper end side of the protruding portions 3c and 4c. Since it can be prevented from being pressed, deterioration of the sheet S can be prevented more effectively.

さらに、本実施の形態のシート定着フレーム１における一端は、縮小成型されて他部よりも断面が縮小された縮小部Ｒを有し、縮小部Ｒの先端における各突出部３ｃ，４ｃに面取り部３ｄ，４ｄが形成されている。このように構成されたシート定着フレーム１によれば、縮小部Ｒを備えているので、隣り合う他のシート定着フレーム１の他端の溝５内に縮小部Ｒを差し込んでシート定着フレーム１同士の連結が可能となるとともに、シート定着フレーム１の他の部分よりも溝５の容積が狭くなってシートＳに大きな張力がかかりやすくなる縮小部Ｒ部分においてもシートＳの劣化を効果的に抑制できる。 Further, one end of the sheet fixing frame 1 of the present embodiment has a reduced portion R which is reduced in size and has a smaller cross section than the other portion, and a chamfered portion is formed on each of the protruding portions 3c and 4c at the tip of the reduced portion R. 3d and 4d are formed. According to the sheet fixing frame 1 configured in this way, since the reduced portion R is provided, the reduced portion R is inserted into the groove 5 at the other end of the other adjacent sheet fixing frames 1, and the sheet fixing frames 1 are inserted into each other. The deterioration of the sheet S is effectively suppressed even in the reduced portion R portion where the volume of the groove 5 is smaller than that of the other portions of the sheet fixing frame 1 and a large tension is likely to be applied to the sheet S. can.

また、本実施の形態のシート定着フレーム１における縮小部Ｒの高さは、一端へ向かうほど低くなり、縮小部Ｒの末端の高さはシート定着フレーム１の他端の溝５の高さよりも低くなっている。このように構成されたシート定着フレーム１によれば、シート定着フレーム１の一端の縮小部Ｒの端部が連結される他のシート定着フレーム１の他端における突出部３ｃ，４ｃの高さよりも縮小部Ｒの突出部３ｃ，４ｃの高さが低くなるため、シートＳが縮小部Ｒの突出部３ｃ，４ｃの端面に接触しにくくなって、シートＳが振動したりシートＳに大きな張力が作用した際にシートＳの劣化を効果的に抑制できる。 Further, the height of the reduced portion R in the sheet fixing frame 1 of the present embodiment becomes lower toward one end, and the height of the end of the reduced portion R is higher than the height of the groove 5 at the other end of the sheet fixing frame 1. It's getting low. According to the sheet fixing frame 1 configured in this way, the height of the protruding portions 3c and 4c at the other end of the other sheet fixing frame 1 to which the end portion of the reduced portion R at one end of the sheet fixing frame 1 is connected is higher than the height. Since the heights of the protruding portions 3c and 4c of the reduced portion R are lowered, it becomes difficult for the sheet S to come into contact with the end faces of the protruding portions 3c and 4c of the reduced portion R, and the sheet S vibrates or a large tension is applied to the sheet S. Deterioration of the sheet S can be effectively suppressed when it acts.

さらに、本実施の形態のシート定着フレーム１における縮小部Ｒは、２段に縮小形成されて前端側が基端側よりも断面が縮小されているため、シート定着フレーム１同士を連結する際に、一のシート定着フレーム１の縮小部Ｒを他のシート定着フレーム１の他端への差し込みが容易となるのでビニールハウスＨの建設作業者の工事負担を軽減できる。 Further, since the reduced portion R in the sheet fixing frame 1 of the present embodiment is reduced in two stages and the cross section of the front end side is smaller than that of the base end side, when the sheet fixing frames 1 are connected to each other, the reduced portion R is formed. Since the reduced portion R of one sheet fixing frame 1 can be easily inserted into the other end of the other sheet fixing frame 1, the construction burden on the construction worker of the vinyl house H can be reduced.

なお、前述したところでは、シート定着フレーム１の一端に縮小部Ｒを設けて、縮小部Ｒにおける突出部３ｃ，４ｃに面取り部３ｄ，４ｄを設けていたが、シート定着フレーム１の他端の突出部３ｃ，４ｃに面取り部４ｄ，４ｄを設けてもよいし、シート定着フレーム１に両端のいずれにも縮小部Ｒを設けずにシート定着フレーム１の一端または両端の突出部３ｃ，４ｃに面取り部３ｄ，４ｄを設けてもよい。また、シート定着フレーム１に両端のいずれにも縮小部Ｒを設けたうえで、シート定着フレーム１の一端または両端の突出部３ｃ，４ｃに面取り部３ｄ，４ｄを設けてもよい。さらに、ビニールハウスＨの端に配置されるシート定着フレーム１では突出部３ｃ，４ｃの端面に直接シートＳが接触する場合があるため、シート定着フレーム１の縮小部Ｒが設けられる端部に代えて、或いは、当該縮小部Ｒの端部に加えて、縮小部Ｒ以外のシート定着フレーム１の端部にも面取り部３ｄ，４ｄを設ければシートＳの劣化を同様に防止できる。 In the above-mentioned place, the reduced portion R is provided at one end of the sheet fixing frame 1, and the chamfered portions 3d and 4d are provided at the protruding portions 3c and 4c of the reduced portion R, but the other end of the sheet fixing frame 1 is provided. Chamfered portions 4d and 4d may be provided on the protruding portions 3c and 4c, or the protruding portions 3c and 4c at one end or both ends of the sheet fixing frame 1 may be provided with the reduced portions R on either end of the sheet fixing frame 1. The chamfered portions 3d and 4d may be provided. Further, the sheet fixing frame 1 may be provided with the reduced portions R at both ends, and the chamfered portions 3d and 4d may be provided on the protruding portions 3c and 4c at one end or both ends of the sheet fixing frame 1. Further, in the sheet fixing frame 1 arranged at the end of the vinyl house H, the sheet S may come into direct contact with the end faces of the protruding portions 3c and 4c, so that the sheet fixing frame 1 is replaced with the end portion provided with the reduced portion R. Alternatively, if the chamfered portions 3d and 4d are provided at the ends of the sheet fixing frame 1 other than the reduced portion R in addition to the end portion of the reduced portion R, the deterioration of the sheet S can be similarly prevented.

なお、シート定着フレーム１の成型は、一枚の帯状の板材をロール成型することによってもよいし、アルミニウム等の軟質な金属材料を母材とする場合には引き抜き加工或いは押し出し加工によってもよい。また、面取り部３ｄ，４ｄの形成は、シート定着フレーム１をロール成型する場合、面取り部３ｄ，４ｄを形成できるように板材の端部を予め加工しておいてからロール成型をしてもよいし、シート定着フレーム１の基本的な形状をロール成型によって得た後にシート定着フレーム１の一端に予めスエージ加工を施した際に面取り部が形成されるように加工をしてもよいし、さらには、シート定着フレーム１の縮小部Ｒまでの成型まで行った後に突出部３ｃ，４ｃに対して切削或は研磨によって面取り部３ｄ，４ｄを形成してもよい。また、シート定着フレーム１を引き抜き加工する場合には、シート定着フレーム１の基本形状を引き抜き加工によって得た後に突出部３ｃ，４ｃに対して切削或は研磨によって面取り部３ｄ，４ｄを形成してもよい。 The sheet fixing frame 1 may be molded by roll-molding a single strip-shaped plate material, or by drawing or extruding when a soft metal material such as aluminum is used as a base material. Further, in the formation of the chamfered portions 3d and 4d, when the sheet fixing frame 1 is roll-molded, the end portions of the plate material may be processed in advance so that the chamfered portions 3d and 4d can be formed, and then the chamfered portions 3d and 4d may be formed by roll molding. Then, after the basic shape of the sheet fixing frame 1 is obtained by roll molding, a chamfered portion may be formed when one end of the sheet fixing frame 1 is preliminarily swaged. May form chamfered portions 3d and 4d by cutting or polishing the protruding portions 3c and 4c after molding up to the reduced portion R of the sheet fixing frame 1. Further, in the case of drawing out the sheet fixing frame 1, after the basic shape of the sheet fixing frame 1 is obtained by drawing out, the chamfered portions 3d and 4d are formed by cutting or polishing the protruding portions 3c and 4c. May be good.

なお、一のシート定着フレーム１の縮小部Ｒを他のシート定着フレーム１の他端の溝５内に差し込んでシート定着フレーム１同士を連結した際にシート定着フレーム１同士の連結状態を強固にしたい場合には以下のようにすればよい。 When the reduced portion R of one sheet fixing frame 1 is inserted into the groove 5 at the other end of the other sheet fixing frame 1 to connect the sheet fixing frames 1 to each other, the connected state of the sheet fixing frames 1 is firmly established. If you want to, do the following.

図１２に示すように、シート定着フレーム１の一端の縮小部Ｒにおける底片２の中央部２ｂに溝５側とは反対側に突出する一端側係止突起２ｆを設けて、シート定着フレーム１の他端の中央部２ｂに他端側孔２ｇを設ければよい。このように構成されたシート定着フレーム１では、一のシート定着フレーム１の縮小部Ｒを他のシート定着フレーム１の他端の溝５に奥まで差し込むと、一端側係止突起２ｆが他端側孔２ｇ内に入り込んで抜け止めがなされ、シート定着フレーム１同士を強固に連結できる。なお、図示はしないが、シート定着フレーム１の一端の縮小部Ｒにおける底片２の中央部２ｂに一端側孔を設ける場合、シート定着フレーム１の他端の中央部２ｂに溝５側に突出する他端側係止突起を設けてもよい。このようにシート定着フレーム１を構成しても、一のシート定着フレーム１の縮小部Ｒを他のシート定着フレーム１の他端の溝５に奥まで差し込むと、他端側係止突起が一端側孔内に入り込んで抜け止めがなされ、シート定着フレーム１同士を強固に連結できる。なお、一端側係止突起２ｆおよび他端側係止突起は、プレス加工によって形成されてもよいし、設置個所を切り起こして形成されてもよい。 As shown in FIG. 12, one end side locking projection 2f projecting to the side opposite to the groove 5 side is provided in the central portion 2b of the bottom piece 2 in the reduced portion R at one end of the sheet fixing frame 1, and the sheet fixing frame 1 is provided. The other end side hole 2g may be provided in the central portion 2b of the other end. In the sheet fixing frame 1 configured in this way, when the reduced portion R of one sheet fixing frame 1 is inserted all the way into the groove 5 at the other end of the other sheet fixing frame 1, one end side locking projection 2f becomes the other end. It penetrates into the side hole 2g to prevent it from coming off, and the sheet fixing frames 1 can be firmly connected to each other. Although not shown, when one end side hole is provided in the central portion 2b of the bottom piece 2 in the reduced portion R at one end of the sheet fixing frame 1, it protrudes toward the groove 5 in the central portion 2b at the other end of the sheet fixing frame 1. The other end side locking projection may be provided. Even if the sheet fixing frame 1 is configured in this way, when the reduced portion R of one sheet fixing frame 1 is inserted all the way into the groove 5 at the other end of the other sheet fixing frame 1, the other end side locking projection is one end. It penetrates into the side hole to prevent it from coming off, and the sheet fixing frames 1 can be firmly connected to each other. The one-end side locking projection 2f and the other end side locking projection may be formed by press working, or may be formed by cutting up the installation location.

以上で本発明の実施の形態についての説明を終えるが、特許請求の範囲から逸脱することなく、改造、変形、および変更を行うことができる。 This concludes the description of the embodiment of the present invention, but modifications, modifications, and changes can be made without departing from the scope of claims.

１・・・シート定着フレーム、２・・・底片、２ｆ・・・一端側係止突起、２ｇ・・・他端側孔、３，４・・・側片、３ｃ，４ｃ・・・突出部、３ｄ，４ｄ・・・面取り部、５・・・溝、６・・・止め材、Ｒ・・・縮小部、Ｓ・・・シート 1 ... Sheet fixing frame, 2 ... Bottom piece, 2f ... One end side locking protrusion, 2g ... End side hole, 3,4 ... Side piece, 3c, 4c ... Protruding part 3, 3d, 4d ... Chamfered part, 5 ... Groove, 6 ... Stopping material, R ... Reduced part, S ... Sheet

Claims (6)

底片と、前記底片の両端から起立する一対の側片とを有して、前記底片と前記各側片との間で開口部の幅が底辺側の幅よりも狭い溝を形成して、前記溝内に挿入されるシートを前記溝内に挿入される止め材により定着させるシート定着フレームであって、
前記各側片は、前記底片とは反対側の先端に互いに溝側に向けて突出する突出部を有し、
前記各突出部は、前記シート定着フレームの延長方向の少なくとも一端における互いに向き合う先端部分に面取り部を有する
ことを特徴とするシート定着フレーム。 It has a bottom piece and a pair of side pieces that stand up from both ends of the bottom piece, and forms a groove between the bottom piece and each side piece so that the width of the opening is narrower than the width of the bottom side. A sheet fixing frame for fixing a sheet inserted in a groove by a stopper inserted in the groove.
Each of the side pieces has a protrusion at the tip opposite to the bottom piece so as to project toward the groove side.
Each of the projecting portions has a chamfered portion at a tip portion facing each other at at least one end in an extension direction of the sheet fixing frame. 前記面取り部は、前記各突出部の先端部分の前記底片側を切り取るように形成されている
ことを特徴とする請求項１に記載のシート定着フレーム。 The sheet fixing frame according to claim 1, wherein the chamfered portion is formed so as to cut off the bottom one side of the tip end portion of each of the protruding portions. 前記一端は、縮小成型されて他部よりも断面が縮小された縮小部を有し、前記縮小部の先端における前記各突出部に前記面取り部が形成される
ことを特徴とする請求項１または２に記載のシート定着フレーム。 1. The sheet fixing frame according to 2. 前記縮小部の高さは、前記一端へ向かうほど低くなり、
前記縮小部の末端の高さは前記他端の前記溝の高さよりも低い
ことを特徴とする請求項３に記載のシート定着フレーム。 The height of the reduced portion becomes lower toward one end.
The sheet fixing frame according to claim 3, wherein the height of the end of the reduced portion is lower than the height of the groove at the other end. 前記縮小部は、２段に縮小形成されて前記先端側が基端側よりも断面が縮小されている
ことを特徴とする請求項３または４に記載のシート定着フレーム。 The sheet fixing frame according to claim 3 or 4, wherein the reduced portion is reduced and formed in two stages so that the front end side has a smaller cross section than the base end side. 前記縮小部における底片は、前記溝側とは反対側に突出する一端側係止突起と一端側孔のうちいずれか一方を有し、
前記一端とは反対側の他端における底片は、前記縮小部における底片が前記一端側係止突起を有する場合には他端側孔を有し、前記縮小部における底片が前記一端側孔を備える場合には前記溝側に突出する他端側係止突起を有する
ことを特徴とする請求項１から５のいずれか一項に記載のシート定着フレーム。 The bottom piece in the reduced portion has either one of one end side locking protrusion and one end side hole protruding to the side opposite to the groove side.
The bottom piece at the other end opposite to the one end has the other end side hole when the bottom piece in the reduced portion has the one end side locking projection, and the bottom piece in the reduced portion has the one end side hole. The sheet fixing frame according to any one of claims 1 to 5, further comprising a locking projection on the other end side protruding to the groove side.
JP2020204462A 2020-12-09 2020-12-09 Sheet fixing frame Pending JP2022091562A (en)

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