WO2023100931A1

WO2023100931A1 - Sheet fixing device and operation method thereof

Info

Publication number: WO2023100931A1
Application number: PCT/JP2022/044187
Authority: WO
Inventors: 淳喜多村; 学宮野; 研高井; 孝憲八木; 康介力瀬; 克治近藤; 昌之秋山; 宗一郎古谷; 裕美高谷; カーステンフランククルトモリッツ; アンドレイウスセルニセバス; マイケルジョンレスター; キーガンリーミー; マーティンロジャーエドルストン; ネビルケネスキング
Original assignee: 太陽工業株式会社
Priority date: 2021-12-01
Filing date: 2022-11-30
Publication date: 2023-06-08
Also published as: JPWO2023100931A1

Abstract

A sheet fixing device that fixedly attaches a sheet to a fixed body includes a fixing member, a holding member, an intermediate member, a maturing member, and a pressing member. Each of the fixing member, the holding member, and the intermediate member is an elongated member extending in one direction. The fixing member has a bottom portion fixed to the fixed body and a pair of side portions rising from both widthwise edges of the bottom portion. The holding member holds the edge of the sheet. The intermediate member is configured separately from the fixing member, provided with a locking portion locking the holding member, disposed inside the fixing member, while forming a space between itself and the bottom portion in the fixing member, and attached to the pair of side portions.

Description

Sheet fixing device and its construction method

The present invention relates to a sheet fixing device and its installation method.

Conventionally, when fixing a sheet in the assembly of a membrane structure building, etc., a sheet fixing device is used that fixes the sheet to a fixed body placed at a predetermined position in the building. As shown in FIG. 9, Patent Document 1 discloses a sheet fixing device 900 that fixes a sheet 930 to a fixed body 910. As shown in FIG. The sheet fixing device 900 includes a fixing member 901 , a holding member 902 , a pressing member 903 and curing

members

904 and 905 .

The holding member 902 holds the edge 930 a of the sheet 930 . The fixing member 901 is an elongated member extending in a direction orthogonal to the plane of FIG. 9, and has a bottom portion 901a and a locking portion 901b. A bottom portion 901 a of the fixing member 901 is a portion in which a bolt head of a bolt 906 to be screwed with a nut 911 attached to the top portion 910 a of the fixed body 910 is accommodated. A locking portion 901 b of the fixing member 901 is a portion that locks the holding member 902 .

The pressing member 903 is fixed to the fixing member 901 so as to press the

curing members

904 and 905 so as to sandwich the sheet 930 in its thickness direction. The fixing member 901 and the pressing member 903 are fixed by fastening a bolt 906 to the internal thread of the boss 901 c of the fixing member 901 .

In the sheet fixing device 900 shown in FIG. 9, a gutter member 912 is arranged between the top portion 910a of the fixed body 910 and the fixed member 901. As shown in FIG. The gutter member 912 is a member that receives and drains water such as rain water and condensed water dripping downward through the inside of the fixing member 901 on the bottom surface 912a.

However, when the sheet fixing device 900 disclosed in Patent Document 1 is adopted, it is necessary to provide a gutter member 912 for draining the water, which increases the number of members and leads to an increase in cost. Specifically, in order to provide the gutter member 912 so as to cover the lower portion of the sheet fixing device 900, the cost of the gutter member 912 and the cost of constructing the gutter member 912 are required.

Japanese Patent No. 5706154

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and provides a sheet fixing device and a construction method thereof that can suppress the downward dripping of water while suppressing an increase in cost. intended to provide

A sheet fixing device according to one aspect of the present invention is a device that fixes a sheet to a fixed body. A sheet fixing device according to this aspect includes a fixing member, a holding member, an intermediate member, a curing member, and a pressing member. The fixed member is an elongated member extending in one direction, and has a bottom portion fixed to the fixed body and a pair of side portions rising from both edges in the width direction of the bottom portion. The holding member is an elongated member extending in the one direction, and holds the edge of the sheet. The intermediate member is an elongated member configured separately from the fixing member and extending in the one direction. is arranged inside the fixing member and attached to the pair of side portions while forming a space between the bottom portion and the bottom portion. The curing member sandwiches the sheet with the fixing member. The pressing member is attached to the intermediate member so as to press the curing member.

1 is a schematic diagram showing a film structure building to which a sheet fixing device according to a first embodiment of the invention is applied; FIG. 1 is a sectional view showing the structure of a sheet fixing device according to a first embodiment of the invention; FIG. 1 is an exploded view showing the structure of a sheet fixing device according to a first exemplary embodiment of the present invention; FIG. FIG. 4 is a cross-sectional view showing a method of installing the sheet fixing device according to the first embodiment of the present invention, and a cross-sectional view showing a method of fixing a fixing member to a fixed body; 4 is a partial perspective view showing a boundary portion between fixing members in the sheet fixing device according to the first embodiment of the invention; FIG. FIG. 4 is a cross-sectional view showing one step in the method of installing the sheet fixing device according to the first embodiment of the present invention, showing an intermediate member inserted into one of the fitting grooves of the fixing member in the step of fitting the intermediate member to the fixing member; It is sectional drawing which shows the process which fits one fitting piece in a member. FIG. 5 is a cross-sectional view showing one step in the method of installing the sheet fixing device according to the first embodiment of the present invention, in which the intermediate member is slid in the width direction and fixed in the step of fitting the intermediate member to the fixing member; FIG. 10 is a cross-sectional view showing a step of fitting the fitting piece of the intermediate member into the other fitting groove of the member; FIG. 11 is a cross-sectional view showing a process in a method of installing a sheet fixing device according to a second embodiment of the present invention, in which the intermediate member is placed on the fixing member in the process of fitting the fixing member and the intermediate member; It is sectional drawing which shows a process. FIG. 10 is a cross-sectional view showing one process in the method of installing the sheet fixing device according to the second embodiment of the present invention, in which the fixing member and the intermediate member are engaged by concave-convex fitting in the process of fitting the fixing member and the intermediate member; It is sectional drawing which shows the process of fitting. FIG. 11 is a partial cross-sectional view showing a partial configuration of a sheet fixing device according to a third embodiment of the invention; 1 is an exploded view showing the structure of a conventional sheet fixing device; FIG.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. It should be noted that the embodiments described below are intended to exemplify the present invention, and the present invention is not limited to the following embodiments except for its essential configuration.

[First embodiment]
1. Membrane Structure Building A membrane structure building to which the sheet fixing device 20 according to the first embodiment of the present invention is applied will be described with reference to FIG.

As shown in FIG. 1, the membrane structure building has a plurality of fixed bodies 10 (three in the example shown in FIG. 1) arranged at predetermined intervals. Each of the fixed bodies 10 has a crown 10a and a support 10b. The post 10b extends substantially vertically and supports the top of the head 10a.

The sheet 30 has a sheet body including a plurality of

membrane bodies

30b and 30c. The plurality of

film bodies

30b and 30c in the sheet body are airtightly fixed to each other while being laminated at the edge 30a. Fluid (for example, air) is filled between the edges 30a and between the plurality of

membranes

30b and 30c. Therefore, as shown in FIG. 1, the sheet 30 has a bulging shape in the thickness direction of the sheet 30 in the region between the edge portions 30a.

The edge 30 a of the sheet 30 is arranged inside the sheet fixing device 20 . The sheet 30 is fixed to the top portion 10a of the fixed body 10 by the sheet fixing device 20 at the edge portion 30a.

The

membranes

30b and 30c of the sheet 30 are at least one of a film made of synthetic resin such as fluororesin, polyvinyl chloride, and polyethylene resin, and a core material made of fiber woven fabric, knitted fabric, or the like. It is a sheet or the like whose surface is coated with a synthetic resin. In the present embodiment, as an example, the

film bodies

30b and 30c are formed using a film made of fluororesin, each having a square size of 4 m×4 m and a thickness of 50 μm to 500 μm.

2. Structure of Sheet Fixing Device 20 The structure of the sheet fixing device 20 according to the present embodiment will be described with reference to FIGS. 2 and 3. FIG.

As shown in FIGS. 2 and 3, the sheet fixing device 20 according to this embodiment includes a fixing member 21, an intermediate member 22, a holding member 23, curing

members

24 and 25, and a pressing member .

The fixing member 21 is an elongated member extending in a direction perpendicular to the planes of the sheets of FIGS. It has a pair of side portions 21b rising from both edges. The fixing member 21 has, between the pair of side portions 21b, a recess 21c recessed from the top side of the side portions 21b toward the bottom portion 21a.

The bottom portion 21a of the fixing member 21 is provided with a bolt head accommodation space 21g in which the bolt head of the bolt 28 used for fixing to the fixed body 10 is accommodated. The bolt head accommodation space 21g is a dovetail groove extending in a direction perpendicular to the planes of FIGS. 2 and 3, and is provided at two locations spaced apart from each other in the width direction of the bottom portion 21a. In the bottom portion 21a, each portion provided with the bolt head accommodation space 21g is a bolt accommodation portion (fastening member accommodation portion) 21e. A plurality of bolts 28 whose bolt heads are housed in the bolt head housing spaces 21g are inserted through the through holes 10c formed in the top of the head 10a and fastened to the nuts 11 below the top of the head 10a. , the fixing member 21 is fixed.

In the bottom portion 21a of the fixing member 21, a region other than the bolt accommodating portion 21e is constituted by a remaining region 21f. The remaining region 21f is formed so that the inner bottom surface 21d of the bottom portion 21a facing the recess 21c is flat with respect to the bolt accommodating portion 21e. In addition, in the present embodiment, the remaining region 21f is formed with a solid structure, but a space may be provided inside.

Each side portion 21b of the fixing member 21 has a fitting groove 21i at each top portion. The fitting groove 21i is a groove recessed from the inner side in the width direction of the fixing member 21 toward the outer side in the width direction, and is formed so as to extend in a direction perpendicular to the paper surfaces of FIGS. 2 and 3 .

In addition, the side portion 21b of the fixing member 21 has a drain hole 21l provided so as to penetrate the recess 21c and the outside of the fixing member 21. As shown in FIG. The drain hole 21l is provided at the root portion of the rise of each side portion 21b, and the opening on the inner side is provided at substantially the same height level as the inner bottom surface 21d.

Note that in the present embodiment, as an example, the fixing member 21 is integrally formed from a metal material (for example, a light alloy such as an aluminum alloy).

The intermediate member 22 is a member that receives the holding member 23 and is configured separately from the fixing member 21 . The intermediate member 22 is an elongated member extending in a direction orthogonal to the paper surfaces of FIGS. 2 and 3, and includes a bottom portion 22f, a pair of side portions 22g, a pair of fitting pieces 22a, and a boss 22b. , and a pair of locking portions 22d. The bottom portion 22f is a portion that is spaced apart from the inner bottom surface 21d of the fixing member 21 and the space SP and that extends along the inner bottom surface 21d.

Each side portion 22g of the intermediate member 22 extends from both widthwise edges of the bottom portion 22f toward the side opposite to the bottom portion 21a of the fixing member 21, and extends into the recess 21c between the pair of side portions 21b of the fixing member 21. distributed. Each side portion 22g is formed in an arc shape having a center on the side of the recess 22c formed between the side portions 22g. A portion of the inner surface of the side portion 22g is a portion that abuts on a portion of the outer surface of the holding member 23 and holds the holding member 23. As shown in FIG.

The boss 22b of the intermediate member 22 is provided so as to extend from the bottom portion 22f toward the opposite side of the fixing member 21 from the bottom portion 21a. The boss 22b is a portion to which a screw 29 used when attaching the pressing member 26 to the intermediate member 22 is screwed. Each of the pair of locking portions 22d is a convex portion formed to extend outward in the width direction from both side surfaces of the boss 22b. Each of the pair of locking portions 22d extends in a direction perpendicular to the paper surfaces of FIGS. Each engaging portion 22d is a portion to be engaged with an engaged piece 23c of the holding member 23, which will be described later.

Each fitting piece 22a provided at a pair of edge portions of the intermediate member 22 extends in a direction orthogonal to the paper surfaces of FIGS. 2 and 3 and extends outward in the width direction from each side portion 22g. It is a plate-shaped part provided. The fitting piece 22 a is formed to have a size that allows it to fit into the fitting groove 21 i of the fixing member 21 . The intermediate member 22 is fitted to the side portion 21b of the fixed member 21 by uneven fitting of the fitting piece 22a into the fitting groove 21i. As shown in FIG. 2 , a space SP is formed between the bottom portion 21 a of the fixing member 21 and the bottom portion 22 f of the intermediate member 22 when the intermediate member 22 is fitted to the fixing member 21 .

Note that in the present embodiment, as an example, the intermediate member 22 is also integrally formed from a metal material (for example, a light alloy such as an aluminum alloy).

The holding member 23 is an elongated member extending in a direction perpendicular to the paper surfaces of FIGS. 2 and 3, and holds the edge 30a of the sheet 30. The holding member 23 has a substantially annular cross-sectional shape with an opening 23a provided in a part of the circumferential direction, and has a locked piece 23c protruding from the outer periphery of the annular ring. A core member 27 to which the edge portion 30a of the sheet 30 is fixed is inserted into the inner space 23a of the holding member 23 . The core material 27 is inserted into the internal space 23a from the end of the holding member 23 in the longitudinal direction.

The curing member 24 is placed on each top of the pair of side portions 21b of the fixed member 21, and is also provided between the pair of side portions and the intermediate member. It also has the effect of preventing the displacement of the intermediate member. The curing member 25 and the curing member 24 are arranged so as to sandwich the edge 30a of the sheet 30 . Also, the curing member 25 covers the concave portion 22 c of the intermediate member 22 . The curing

members

24 and 25 are made of resin material or rubber.

The pressing member 26 is attached to the intermediate member 22 so as to press the curing

members

24 and 25 sandwiching the edge 30 a of the sheet 30 . The pressing member 26 is attached to the intermediate member 22 by screwing a screw 29 through which the pressing member 26 and the curing member 25 are inserted into the boss 22 b of the intermediate member 22 .

3. Construction Method of Sheet Fixing Device 20 A construction method of the sheet fixing device 20 according to the present embodiment will be described with reference to FIGS. 3 to 6B.

The construction method of the sheet fixing device 20 according to this embodiment includes the following steps.

(Fixing step of fixing member 21)
As shown in FIG. 4 , the fixing member 21 is fixed to the top portion 10 a of the fixed body 10 at the bottom portion 21 a of the fixing member 21 . Specifically, the fixing member 21 is fixed to the fixed body 10 by threading the bolt 28 and the nut 11 . The bolt 28 has a bolt head 28a housed in the bolt head housing space 21g and is inserted through a through hole 10c provided in the top portion 10a of the fixed body 10. As shown in FIG. The bolt 28 is screwed into the nut 11 below the crown 10a. Thereby, the fixing member 21 is fixed to the fixed body 10 . Note that the intermediate member 22 is not attached to the fixed member 21 when the fixed member 21 is fixed to the fixed body 10 .

As shown in FIG. 5, a plurality of fixing members 21 are arranged and fixed to the fixed body 10 in the longitudinal direction (direction indicated by arrow A) of the fixing members 21 . In this case, since the fixing member 21 and the intermediate member 22 are configured separately as described above, in the state where the fixing member 21 is fixed to the fixed body 10, the fixing member 21 is located on the inner bottom surface 21d of the bottom portion 21a. has an opening 21j on the side facing the . Therefore, in the construction of the sheet fixing device 20, after this step, the waterproof tape 50 can be attached so as to block the boundary portion (matching portion) B between the fixing members 21 adjacent to each other. As a result, the boundary portion B can be water-stopped.

In the present embodiment, the fixing member 21 is fixed to the fixed body 10 before the intermediate member 22 is attached to the fixing member 21. Conversely, the fixing member 21 to which the intermediate member 22 is attached is attached first. It can also be fixed to the fixed body 10 . However, in this case, after the fixing member 21 is fixed to the fixed body 10, it is necessary to perform water stopping treatment from above the intermediate member 22. FIG. For this reason, a member shorter than the fixing member 21 is used as the intermediate member 22 and attached to the fixing member 21 with a gap at the boundary so that the fixing member 21 can be water-stopped. In this way, the boundary portions (butting portions) between the adjacent intermediate members 22 are not completely butted against each other, but are attached with a gap. part) can be stopped.

When the intermediate member 22 is previously attached to the fixing member 21 in this manner, the fixing member to which the intermediate member 22 is attached can be prepared in advance. As a result, construction efficiency at the site is improved, and it is particularly effective when bending the intermediate member 22 and the fixing member 21 at the site is required, such as when the mounting surface of the fixed body 10 is a curved surface. Sometimes it becomes

It should be noted that the water stop treatment is not limited to attaching the water stop tape 50, and a water stop member such as a caulking material may be applied.

(Mounting step of intermediate member 22)
The intermediate member 22 is arranged inside the fixing member 21 while forming a space SP between the intermediate member 22 and the bottom portion 21a of the fixing member 21, and attached to the pair of side portions 21b (see FIG. 3).

Here, as shown in FIG. 6A, the intermediate member 22 is formed such that the distance between the ends of the fitting pieces 22a in the width direction of the intermediate member 22 is W22. On the other hand, in the fixing member 21, the interval between the openings of the fitting grooves 21i in the width direction of the fixing member 21 is W221. In addition, the fixed member 21 is formed with intervals W222 and W223 between the opening of one fitting groove 21i and the groove bottom of the other fitting groove 21i in the width direction of the fixing member 21 . The distance W22 and the intervals W221 to W223 satisfy the following relationship.

W22>W221 (1)
W22≦W222 (2)
W22≦W223 (3)
In this embodiment, the intermediate member 22 is attached (fitted) to the pair of side portions 21b through the following two substeps.

(first substep)
As indicated by an arrow C1 in FIG. 6A, one edge portion in the width direction of the intermediate member 21 is provided with respect to the fitting groove 21i provided at the top portion of one side portion 21b of the pair of side portions 21b. The provided fitting piece 22a is fitted (fitted in a concave-convex manner). After that, as indicated by arrow C2, the other end edge of intermediate member 22 is inserted into recess 21c of fixing member 21, and the other fitting piece 22a is placed near the opening of the other fitting groove 21i. Deploy. At this time, in the present embodiment, by satisfying the relational expressions (2) and (3), the other fitting piece 22a of the intermediate member 22 is attached to the top of the other side portion 21b of the fixing member 21. Interference can be suppressed. Also, the tip of the fitting piece 22a provided on the other edge of the intermediate member 22 should be positioned inside the opening of the fitting groove 21i provided on the other side 21b of the fixing member 21. can be done.

(Second substep)
As described above, one fitting piece 22a of the intermediate member 22 is engaged with the fitting groove 21i provided on one side portion 21b, and as indicated by the arrow C3 in FIG. 6B, The intermediate member 22 is slid toward the other side portion 21 b of the fixed member 21 . As a result, the other fitting piece 22a of the intermediate member 22 can be unevenly fitted into the fitting groove 21i provided in the other side portion 21b. As a result, both the fitting pieces 22a of the intermediate member 21 are fitted into the fitting grooves 21i respectively provided in the pair of side portions 21b of the fixed member 21 (fitted in a concave-convex manner). Here, in the present embodiment, by satisfying the relational expression (1), even if the intermediate member 22 is slid in the width direction, the fitting piece 22a fitted in the first sub-step is not fitted. It is possible to prevent the engagement with the matching groove 21i from coming off. That is, in the present embodiment, even when the intermediate member 22 is slid as indicated by arrow C in FIG. can be prevented from coming off.

(Mounting step of holding member 23)
Returning to FIG. 3 , the curing member 24 is attached to each top of the pair of side portions 21 b of the fixing member 21 . Then, the holding member 23 with the core member 27 to which the edge 30 a of the sheet 30 is fixed is inserted into the recess 22 c of the intermediate member 22 . Then, the engaging piece 23c of the holding member 23 is engaged with the engaging portion 22d of the intermediate member 22, and the holding member 23 is attached to the intermediate member 22. As shown in FIG. After the holding member 23 is inserted into the recessed portion 22c of the intermediate member 22, the engaged piece 23c is engaged with the engaging portion 22d.

(Step of arranging curing member 25)
As shown in FIG. 3 , a curing member 25 is arranged so as to sandwich the sheet 30 between the curing members 24 attached to the tops of the pair of side portions 21 b of the fixed member 21 .

(Mounting step of pressing member 26)
As shown in FIG. 3 , the pressing member 26 is attached to the intermediate member 22 by pressing the pressing member 26 toward the fixing member 21 so that the sheet 30 is sandwiched between the curing

members

24 and 25 . As described above, the screw 29 through which the pressing member 26 and the curing member 25 are inserted into the intermediate member 22 is screwed into the boss 22 b of the intermediate member 22 .

4. Effect In the sheet fixing device 20 according to the present embodiment, the intermediate member 22 to which the holding member 23 is locked and the fixing member 21 fixed to the fixed body 10 are configured as separate members. Therefore, as described with reference to FIG. 5, after fixing the plurality of fixing members 21 to the fixed body 10 in a state of being aligned in the longitudinal direction of the fixing members 21 and before attaching the intermediate member 22, the fixing members 21 are separated from each other. Water stopping treatment can be applied to the boundary portion B from the opening 21j of the fixing member 21 (a water stopping tape 50 can be attached). Therefore, in the sheet fixing device 20 according to the present embodiment, the fixing member 21 can also be used as a gutter member, and there is no need to provide a gutter member in addition to the sheet fixing device 20, thereby reducing member costs and construction costs. Is possible.

In addition, in the sheet fixing device 20 according to the present embodiment, the attachment of the intermediate member 22 to the pair of side portions 21b of the fixing member 21 is performed by fitting by concave-convex fitting (fitting of the fitting piece 22a into the fitting groove 21i). is done by Therefore, in the sheet fixing device 20, compared to the case where the intermediate member 22 is attached to the fixing member 21 using bolts or the like, it is possible to reduce the number of parts and man-hours involved in construction, thereby reducing costs. can be done.

Further, in the sheet fixing device 20 according to the present embodiment, a plurality of bolt accommodating portions 21e are provided in a partial region of the bottom portion 21a of the fixing member 21 at intervals in the width direction. Further, in the bottom portion 21a, a remaining region 21f is formed between the bolt accommodating portions 21e so that the inner bottom surface 21d is flat. For this reason. It is possible to prevent water that has entered inside the fixing member 21 from accumulating in a partial area of the inner bottom surface 21d.

Further, in the sheet fixing device 20 according to the present embodiment, since the fixing member 21 is provided with the drain hole 21l, the water collected on the inner bottom surface 21d of the fixing member 21 is drained outward through the drain hole 21l. The water can be discharged, and water can be prevented from remaining inside the fixing member 21 .

Further, in the installation method of the heat fixing device 20 according to the present embodiment, the intermediate member 22 to which the holding member 23 is locked and the fixing member 21 fixed to the fixed body 10 are separate members, and the fixed body 21 is fixed in the fixing step. After fixing the fixing member 21 to 10 , the intermediate member 22 is attached to the fixing member 21 in the step of attaching the intermediate member 22 . Therefore, in the installation method of the sheet fixing device 20 according to the present embodiment, after the plurality of fixing members 21 are fixed to the fixing member 10 in a state of being aligned in the longitudinal direction of the fixing members 21, the intermediate member 22 is attached to the fixing member 21. Before attachment, the boundary portion B between the fixing members 21 can be subjected to water stopping treatment from the opening 21j (a water stopping tape 50 can be attached). Therefore, by adopting the construction method of the sheet fixing device 20 according to the present embodiment, it is not necessary to fix a separate gutter member to the fixed body 10, so that the member cost and the construction cost can be suppressed.

In addition, in the installation method of the sheet fixing device 20 according to the present embodiment, the intermediate member 22 is attached to the fixing member 21 by fitting by concave-convex fitting. Therefore, it is possible to reduce the number of parts and man-hours required for construction, thereby reducing the cost.

Further, in the construction method of the sheet fixing device 20 according to the present embodiment, as described with reference to FIGS. 6A and 6B, the intermediate member 22 is slid after the first substep (the second substep ), the fitting pieces 22a of the intermediate member 22 are fitted into the fitting grooves 21i of the fixed member 21 in an uneven manner. Therefore, it is possible to prevent excessive stress from acting on the fixing member 21 and the intermediate member 22 . Therefore, by adopting the construction method of the sheet fixing device 20 according to the present embodiment, it is possible to prevent the fixing member 21 and the intermediate member 22 from being deformed or damaged.

In addition, in the construction method according to the present embodiment, if a cushioning material such as rubber is provided between the pair of side portions 21b of the fixing member 21 and the intermediate member 22, the pair of side portions 21b of the fixing member 21 and It becomes possible to prevent displacement with the intermediate member 22 . Furthermore, the cushioning material may also serve as a curing member.

[Second embodiment]
A sheet fixing device 20 and a construction method thereof according to a second embodiment of the present invention will be described with reference to FIGS. 7A and 7B. Note that the sheet fixing device 20 according to the present embodiment differs from the sheet fixing device 20 according to the first embodiment in the structures of the fixing member 21 and the intermediate member 22 in part, and the structures of the other portions are the same. is. Further, the installation method of the sheet fixing device 20 according to the present embodiment differs from the installation method of the sheet fixing device 20 according to the first embodiment in the method of attaching the intermediate member 22 to the fixing member 21, and the other are the same. Differences from the first embodiment will be described below.

As shown in FIGS. 7A and 7B, in the sheet fixing device 20 according to this embodiment, the fixing member 21 has fitting grooves 21k recessed outward in the width direction at the tops of the pair of side portions 21b. On the other hand, the intermediate member 22 has a pair of side portions 22g extending from both widthwise edges of the bottom portion 22f toward the side opposite to the bottom portion 21a of the fixing member 21. Fitting ridges project outward in the widthwise direction from the top portions of the paired side portions 22g. 22e. The fitting groove 21k and the fitting protruding portion 22e are formed to have sizes that allow uneven fitting to each other.

The fixing member 21 and the intermediate member 22 are the same as in the first embodiment described above in that they are elongated members extending in a direction orthogonal to the paper surfaces of FIGS. 7A and 7B.

The sheet fixing device 20 according to this embodiment differs from the first embodiment in the structures of the fixing member 21 and the intermediate member 22 as described above. Due to this structural difference, in the installation method of the sheet fixing device 20, the method of attaching the intermediate member 22 to the fixing member 21 is performed through the following substeps.

(first substep)
As shown in FIG. 7A, the intermediate member 22 is placed on top of the pair of side portions 21b of the fixed member 21. As shown in FIG. At this time, both end edges of the intermediate member 22 (portions provided with the fitting projections 22 e ) are placed on the tops of the side portions 21 b of the fixing member 21 .

As shown by arrows E1 in FIG. 7A, a load is applied to one end edge of the intermediate member 22 placed on the pair of side portions 21b of the fixing member 21 toward the fixing member 21 . As a result, as indicated by an arrow E2 in FIG. 7B, one fitting projection 22e is fitted into the fitting groove 21k provided in one side portion 21b.

As shown in FIG. 7B, the fitting projection 22e can be fitted into the fitting groove 21k by moving the intermediate member 22 in the width direction as indicated by an arrow E4. be.

(Second substep)
As indicated by an arrow E3 in FIG. 7B, in a state in which one fitting protruding strip 22e is fitted in one fitting groove 21k, the other edge of the intermediate member 22 is directed toward the fixing member 21. load. Thereby, the intermediate member 22 is fitted to the fixed member 21 . In the installation method of the sheet fixing device 20 according to the present embodiment, in a state where the intermediate member 22 is fitted to the side portion 21 b of the fixing member 21 , the intermediate member 22 extends in the width direction of the intermediate member 22 with respect to the fixing member 21 . The size is designed so that it does not slide.

Also in this embodiment, a space SP is formed between the bottom portion 21a of the fixing member 21 and the intermediate member 22. As shown in FIG.

Here, in the present embodiment, after one fitting protruding portion 22e is fitted into one of the fitting grooves 21k, the other fitting protruding portion 22e is fitted into the other fitting groove 21k. Although they are fitted together, it is also possible to increase the magnitude of the load applied to the intermediate member 22 so that the pair of fitting projections 22e are fitted together in the pair of fitting grooves 21k.

The sheet fixing device 20 according to the present embodiment differs from the sheet fixing device 20 according to the first embodiment in part in the structure of the fixing member 21 and the intermediate member 22, but the sheet fixing device 20 according to the first embodiment is different. The same effect as the device 20 can be obtained.

On the other hand, in the construction method of the sheet fixing device 20 according to the present embodiment, unlike the construction method according to the first embodiment, loads (arrows E1 and E3) toward the bottom portion 21a of the fixing member 21 are applied to the intermediate member 22. In addition, since the fitting projections 22e of the intermediate member 22 are fitted into the fitting grooves 21k of the pair of side portions 21b, construction can be performed without requiring complicated work. Therefore, if the installation method of the sheet fixing device 20 according to this embodiment is adopted, the installation cost can be reduced.

In addition, in the construction method according to the present embodiment, if the pair of side portions 21b of the fixing member 21 and the intermediate member 22 are manufactured so as to slightly press against each other, the pair of side portions 21b of the fixing member 21 and the intermediate member 22 can be prevented.

[Third Embodiment]
A sheet fixing device 20 according to a third embodiment of the invention will be described with reference to FIG. Note that the sheet fixing device 20 according to the present embodiment differs from the sheet fixing device 20 according to the first embodiment in a part of the structure of the intermediate member 22 and in that the maintenance hook 31 is provided. but the rest of the configuration is the same. Differences from the first embodiment will be described below.

As shown in FIG. 8, the sheet fixing device 20 according to the present embodiment includes maintenance hooks 31 in addition to the components of the sheet fixing device 20 according to the first embodiment. Further, the sheet fixing device 20 according to the present embodiment includes bolts 32 instead of the screws 29 included in the sheet fixing device 20 according to the first embodiment.

The maintenance hook 31 is a so-called eye nut, and has a body portion 31a and a female screw portion 31b. The bolt 32 has a bolt head 32 a located on the fixing member 21 side of the intermediate member 22 and is screwed to the female threaded portion 31 b of the maintenance hook 31 .

The intermediate member 22 is provided with a hole 22h through which the bolt 32 is inserted. The curing member 25 is also provided with a hole 25a through which the bolt 32 is inserted. The holding member 26 is also provided with a hole 26a through which the bolt 32 is inserted. The hole 22h of the intermediate member 22, the hole 25a of the curing member 25, and the hole 26a of the pressing member 26 are provided so as to communicate with each other.

The maintenance hook 31 is arranged on the pressing member 26 and is fixed to the intermediate member 22 by screwing with the bolt 32 while sandwiching the pressing member 26 and the curing member 25 .

Here, on the bottom portion 22f of the intermediate member 22, two protrusions 22i are provided on the surface (bottom surface) facing the inner bottom surface 21d of the fixing member 21 toward the inner bottom surface 21d of the fixing member 21 from the bottom surface. ing. The two protrusions 22i are spaced apart from each other. The interval between the two protrusions 22i corresponds to a groove (locking groove) 22j extending in a direction perpendicular to the paper surface of FIG.

As shown in FIG. 8, the bolt head 32a of the bolt 32 is locked in the locking groove 22j between the two protrusions 22i. This prevents the bolt 32 from rotating when the operator screws the maintenance hook 31 onto the bolt 32 .

As for the means for locking the bolt 32, it is possible to adopt various means other than the locking groove 22j. For example, a locking piece that can lock the bolt 32 may be provided on the intermediate member 22 .

Also, in this embodiment, the maintenance hook 31 is provided on the pressing member 26, but the hook does not necessarily have to be used for maintenance purposes. For example, a structure similar to that shown in FIG. 8 can be employed even when a hook for hooking another member is provided on the pressing member 26 .

[Modification]
In the first embodiment and the second embodiment, the sheet 30 is sandwiched between the curing member 24 and the curing member 25 in the thickness direction. The curing member 24 provided is not an essential configuration.

In the first embodiment and the second embodiment, the bolt accommodating portion 21e and the remaining region 21f are formed so that the inner bottom surface 21d of the fixing member 21 is flat. 21d need not necessarily be flat. For example, the inner bottom surface 21d may be formed with a curved surface or a stepped shape.

In the first embodiment and the second embodiment, the fixing member 21 is provided with the drain hole 21l, but in the present invention, the drain hole 21l is not an essential component. Further, in the first embodiment and the second embodiment, it is not essential that the drain hole 21l is formed so as to penetrate the side portion 21b of the fixing member 21 in the width direction. That is, it is sufficient that the water that has entered the space SP between the fixed member 21 and the intermediate member 22 can be discharged to the outside. For example, a drain hole 21 l may be provided in the bottom portion 21 a of the fixing member 21 so that water can be discharged toward the fixed body 10 .

In the first embodiment, the fitting groove 21i is provided on the side portion 21b of the fixing member 21, and the fitting piece 22a is provided on the edge portion of the intermediate member 22, but the present invention is not limited to this. do not have. For example, the side portion 21b of the fixing member 21 may be provided with a fitting piece projecting inward in the width direction, and the end edge portion of the intermediate member 22 may be provided with a fitting groove recessed inward from the outside in the width direction.

In addition, in the second embodiment, the fitting groove 21k is provided in the side portion 21b of the fixing member 21, and the fitting protrusion 22e is provided in the edge portion of the intermediate member 22. However, in the present invention, the fixing member The side portion 21b of the intermediate member 21 may be provided with a fitting projection projecting inward in the width direction, and the end edge portion of the intermediate member 22 may be provided with a fitting groove recessed inward in the width direction.

Further, the fitting groove 21k of the fixing member 21 and the fitting projection 22a of the intermediate member 22 may be provided continuously along the longitudinal direction of the fixing member 21 and the intermediate member 22, or may be provided intermittently. may be

In the first embodiment and the second embodiment, the fixing member 21 is fixed to the fixed body 10 by screwing the bolt 28 and the nut 11 together. , riveting, welding, etc.). In the first embodiment and the second embodiment, the bolt 28 is inserted from the fixing member 21 side toward the fixed body 10 side, and the nut 11 is tightened from the fixed body 10 side. A nut may be fastened on the fixing member 21 side to a bolt planted from the body 10 side toward the fixing member 21 side.

In the first embodiment and the second embodiment described above, the intermediate member 22 is attached to the fixing member 21 by uneven fitting. Alternatively, rivets (including blind rivets) may be used for attachment.

In the first embodiment and the second embodiment, the fixing member 21 and the intermediate member 22 are made of metal material, but in the present invention, the material for forming the fixing member 21 and the intermediate member 22 is not necessarily limited to the metal material. not something. For example, the fixing member 21 and the intermediate member 22 may be formed using ceramics, resin material, or the like.

In the third embodiment, a structure in which the maintenance hook 31 is added to the sheet fixing device 20 according to the first embodiment is adopted. A structure in which a maintenance hook 31 is added may be adopted. Also in this case, the locking structure of the bolt 32 described with reference to FIG. 9 can be employed.

[summary]
The sheet fixing device according to the above embodiment is a device that fixes a sheet to a fixed body. A sheet fixing device according to this aspect includes a fixing member, a holding member, an intermediate member, a curing member, and a pressing member. The fixing member is an elongated fixing member that extends in one direction, and has a bottom portion that is fixed to the fixed body and a pair of side portions that rise from both edges in the width direction of the bottom portion. The holding member is an elongated holding member extending in the one direction, and holds the edge of the sheet. The intermediate member is an elongated intermediate member that extends in the one direction and is formed separately from the fixing member, and has a locking portion that locks the holding member. While forming a space between the bottom portion of the fixing member, it is arranged inside the fixing member and attached to the pair of side portions. The curing member sandwiches the sheet with the fixing member. The pressing member is attached to the intermediate member so as to press the curing member.

In the above sheet fixing device, the intermediate member to which the holding member is locked and the fixed member fixed to the fixed body are configured as separate members. For this reason, after the plurality of fixing members are fixed to the fixed body in the state of being aligned in one direction, and before the intermediate member is attached, the boundary portion between the fixing members is subjected to waterproofing treatment from the space side. be able to. Therefore, in the sheet fixing device according to the above aspect, the fixing member can also be used as a gutter member, and since there is no need to provide a gutter member in addition to the sheet fixing device, it is possible to reduce member costs and construction costs. be.

In the above sheet fixing device, the intermediate member and the pair of side portions may be fitted to each other by means of concave-convex fitting.

In the sheet fixing device described above, the intermediate member is attached to the pair of side portions of the fixing member by fitting by concave-convex fitting. Therefore, in the sheet fixing device according to the above aspect, compared to the case where the intermediate member is attached to the fixing member using bolts or the like, it is possible to reduce the number of parts and man-hours for construction, thereby reducing costs. be able to.

In the above-described sheet fixing device, the bottom portion may be composed of a fastening member accommodating portion that accommodates a fastening member for fixing to the fixed body, and a remaining area excluding the fastening member accommodating portion. Further, in the sheet fixing device according to the aspect described above, the fastening member accommodating portion and the remaining region may be formed such that inner bottom surfaces facing the space in the bottom portion are flat.

In the above sheet fixing device, the fastening member accommodating portion is provided in a partial area of the bottom portion of the fixing member, and the fastening member accommodating portion and the remaining area are formed so that the inner bottom surface of the bottom portion is flat. Therefore, it is possible to prevent the water that has entered the inside of the fixing member from accumulating in a partial area of the inner bottom surface.

In the above sheet fixing device, the fixing member may have a drain hole provided so as to penetrate the space and the outside of the fixing member.

In the above sheet fixing device, since the fixing member is provided with the drain hole, the water collected on the inner bottom surface of the fixing member can be drained outward through the drain hole. can prevent water from accumulating in

The sheet fixing device may further include a maintenance hook used as a hanging connector during maintenance of the sheet fixing device, and a bolt for fixing the maintenance hook to the intermediate member. Further, in the sheet fixing device according to the aspect described above, the intermediate member may have a bolt head locking portion capable of locking the bolt head of the bolt.

In the sheet fixing device according to the above-described embodiment, since the intermediate member has the locking groove capable of locking the bolt for fixing the maintenance hook, maintenance can be performed without passing the bolt from below the fixing member. It is possible to fix the hook for use. It should be noted that maintenance hooks need not be provided at all fixing points of the pressing member, and may be provided at appropriate intervals.

In the above sheet fixing device, the maintenance hook may have a female threaded portion to be screwed with the bolt, and may be arranged on the surface of the pressing member opposite to the intermediate member. Further, in the sheet fixing device according to the above aspect, each of the pressing member, the curing member, and the intermediate member is provided with a hole communicating with each other and allowing the bolt to pass therethrough. A locking groove extending in the one direction and serving as the bolt head locking portion may be formed on the bottom surface facing the space. Even when such a specific structure is employed, the same effects as described above can be obtained.

The construction method of the sheet fixing prime according to the above embodiment is a method of constructing a sheet fixing device that fixes a sheet to a fixed body. The construction method of the sheet fixing device according to this aspect includes the following steps.

(i) An elongated fixing member extending in one direction, the fixing member having a bottom and a pair of side portions rising from both edges in the width direction of the bottom, is attached to the fixed body at the bottom. fixing step,

(ii) The elongated intermediate member extending in one direction and configured separately from the fixing member is arranged inside the fixing member while forming a space between it and the bottom portion of the fixing member. and attaching to the pair of sides;

(iii) the elongated holding member extending in one direction and holding the edge of the sheet is provided on a portion of the intermediate member opposite to the side facing the space; a step of locking onto the locking portion;

(iv) disposing a curing member so as to sandwich the sheet with the fixing member; and

(v) attaching a pressing member to the intermediate member so as to press the curing member;

In the construction method described above, the intermediate member to which the holding member is locked and the fixing member fixed to the fixed body are separated, and after fixing the fixing member to the fixed body, the intermediate member is attached to the fixing member. Therefore, in the construction method according to the above aspect, after the plurality of fixing members are fixed to the fixed body in the state of being aligned in one direction and before the intermediate member is attached to the fixing member, the On the other hand, a water stopping treatment can be applied from the space side. Therefore, if the construction method according to the above aspect is adopted, it is not necessary to fix a separate gutter member to the fixed body, so that the member cost and the construction cost can be suppressed.

In the above construction method, in the step of attaching the intermediate member to the pair of side portions, the intermediate member may be fitted to the pair of side portions through the following substeps.

(ii-a) a substep of unevenly fitting one edge of the intermediate member in the width direction to one of the pair of side portions;

(ii-b) sliding the intermediate member toward the other side in the width direction in a state where the one edge portion is fitted to the one side portion in a concave-convex manner, a substep of unevenly fitting the other edge portion in the width direction of the intermediate member to the other side portion of the portion.

In the above construction method, since the intermediate member is attached to the fixed member by fitting with concave-convex fitting, it is possible to reduce the number of parts and the man-hours involved in construction compared to the case of mounting using bolts, rivets, etc. can be achieved and the cost can be reduced.

Further, in the above-described construction method, after fitting one end edge to the one side portion in an uneven manner, the intermediate member is slid in the width direction to fit the other edge portion to the other side portion in an uneven manner. , it is possible to prevent excessive stress from acting on the fixing member and the intermediate member. Therefore, by adopting the construction method according to the above aspect, it is possible to prevent deformation and breakage of the fixing member and the intermediate member.

In the case of this construction method, preferably, by providing a cushioning material such as rubber between the pair of side portions and the intermediate member, it is possible to prevent the pair of side portions and the intermediate member from being displaced. The cushioning material may also serve as the curing member.

(ii-a) a substep of placing the intermediate member against a portion of the pair of side portions opposite the bottom portion; and

(ii-b) applying a load directed toward the bottom portion to the intermediate member so that the edge portions of the intermediate member are unevenly fitted to the pair of side portions one by one or both sides together; sub-step that causes

In the above construction method, by applying a load to the intermediate member toward the bottom portion of the fixing member, the intermediate member is fitted to the pair of side portions in a concave-convex manner, so that complicated work is not required. Construction is possible. Therefore, if the construction method according to the above aspect is adopted, the construction cost can be reduced.

In the case of this construction method, preferably, the pair of side portions and the intermediate member are manufactured so that they press each other slightly, thereby preventing the pair of side portions and the intermediate member from being displaced. becomes.

As described above, with the sheet fixing device and the construction method thereof according to the above embodiment, it is possible to suppress downward dripping of water such as rainwater and condensed water while suppressing an increase in cost.

Claims

A sheet fixing device for fixing a sheet to a fixed body,
an elongated fixing member extending in one direction, the fixing member having a bottom portion fixed to the fixed body and a pair of side portions rising from both edges in the width direction of the bottom portion;
an elongated holding member extending in the one direction, the holding member holding an edge of the sheet;
An elongated intermediate member configured separately from the fixing member and extending in the one direction, and having an engaging portion for engaging the holding member, and the bottom portion of the fixing member. the intermediate member disposed inside the fixing member and attached to the pair of side portions while forming a space therebetween;
a curing member sandwiching the sheet between the fixing member;
a pressing member attached to the intermediate member so as to press the curing member;
comprising
Sheet fixing device.
The sheet fixing device according to claim 1,
The intermediate member and the pair of side portions are fitted to each other by concave-convex fitting,
Sheet fixing device.
In the sheet fixing device according to claim 1 or claim 2,
The bottom portion is composed of a fastening member accommodating portion that accommodates a fastening member for fixing to the fixed body, and a remaining area excluding the fastening member accommodating portion,
The fastening member accommodating portion and the remaining region are formed such that an inner bottom surface facing the space in the bottom portion is flat.
Sheet fixing device.
In the sheet fixing device according to any one of claims 1 to 3,
The fixing member has a drain hole provided to penetrate the space and the outside of the fixing member,
Sheet fixing device.
In the sheet fixing device according to any one of claims 1 to 4,
a maintenance hook used as a hanging connector during maintenance of the sheet fixing device;
a bolt for fixing the maintenance hook to the intermediate member;
further comprising
The intermediate member has a bolt head locking portion capable of locking the bolt head of the bolt,
Sheet fixing device.
In the sheet fixing device according to claim 5,
The maintenance hook has a female threaded portion that is screwed to the bolt, and is arranged on the surface of the holding member opposite to the intermediate member,
Each of the pressing member, the curing member, and the intermediate member is provided with a hole that communicates with each other and allows the bolt to pass through,
A locking groove extending in the one direction and serving as the bolt head locking portion is formed in the bottom surface of the intermediate member facing the space,
Sheet fixing device.
A method for constructing a sheet fixing device for fixing a sheet to a fixed body, comprising:
A step of fixing the fixing member, which is an elongated fixing member extending in one direction and has a bottom portion and a pair of side portions rising from both edges in the width direction of the bottom portion, to the fixed body at the bottom portion; and,
The elongated intermediate member extending in one direction and configured separately from the fixing member is disposed inside the fixing member while forming a space between the bottom portion of the fixing member and the fixing member. attaching to a pair of sides;
An elongated holding member extending in one direction, wherein the holding member for holding the edge of the sheet is engaged with a portion of the intermediate member opposite to the side facing the space. locking to the part;
a step of arranging a curing member so as to sandwich the sheet between the fixing member;
attaching a pressing member to the intermediate member so as to press the curing member;
comprising
A construction method for a sheet fixing device.
In the construction method of the sheet fixing device according to claim 7,
In the step of attaching the intermediate member to the pair of side portions,
a sub step of unevenly fitting one edge portion in the width direction of the intermediate member to one side portion of the pair of side portions;
With the one end edge portion fitted to the one side portion in a concave-convex manner, the intermediate member is slid toward the other side in the width direction to a substep of unevenly fitting the other edge portion in the width direction of the intermediate member with respect to the side portion of the
fitting the intermediate member against the pair of side portions through
A construction method for a sheet fixing device.
In the construction method of the sheet fixing device according to claim 7,
In the step of attaching the intermediate member to the pair of side portions,
a substep of placing the intermediate member on a portion of the pair of side portions opposite to the bottom portion;
a substep of unevenly fitting the edge portions of the intermediate member to the pair of side portions one by one or both sides together by applying a load toward the bottom portion to the intermediate member;
fitting the intermediate member against the pair of side portions through
A construction method for a sheet fixing device.