JP2006225943A - Daylighting roof structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a daylighting roof having excellent earthquake resistance and daylighting property while exhibiting an excellent heat insulating function over a long period of time and preventing a fire from spreading for a long time at the outbreak of fire. <P>SOLUTION: A plurality of sets of laminated translucent panels A1 formed by laminating glass panes 1 and hollow polycarbonate plates 2 vertically in a state of having small spaces, are juxtaposed in the width direction of the roof, and a presser member 3 and a support member 4 are disposed between the upper and lower faces of the facing side ends of the laterally adjacent laminated translucent panels A1, A1 and clamped and fixed by a clamping bolt 8 disposed through between the facing side end faces of the laminated translucent panels A1, A1. The heat insulating property and earthquake resistance are exhibited by the hollow polycarbonate plates 2, and spreading of fire at the outbreak of fire is prevented for a long time by the glass panes 1 disposed on the upper side. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a daylighting roof structure in which the entire roof or a part thereof is formed by a multilayer of a light-transmitting hollow synthetic resin plate and a glass plate.

  Conventionally, as a roof structure provided on a roof of a simple building, a bus stop, a carport, or an outdoor passage, a daylighting roof in which a synthetic resin plate having translucency is stretched is widely adopted. . For example, as described in Patent Document 1, in a rectangular synthetic resin corrugated sheet made of polycarbonate resin or the like and having a certain width and a certain length, the traveling direction of peaks and valleys that are continuous in the width direction Are placed between the upper surfaces of the purlins in the state of facing the longitudinal direction of the purlin, and the ridges and valleys at the opposite ends of the synthetic resin corrugated plates adjacent to the left and right are successively superposed and overlapped. The overlapping portion and the intermediate portion in the width direction are fixed by driving nails and bolts into the purlin at predetermined intervals in the length direction of the corrugated sheet.

Moreover, instead of such a corrugated sheet, as described in Patent Document 2, a flat-shaped hollow polycarbonate sheet having a certain thickness is used as a roofing material, and this hollow polycarbonate sheet exhibits excellent heat insulation. A roof structure configured to do this is also known.
JP 2001-132175 A JP 2001-40795 A

  However, in any of the above roof structures, the synthetic resin corrugated plate or hollow polycarbonate plate is fixed to the purlin etc. with nails or bolts, so these numerous nail holes and bolt holes become weak parts and cracks etc. occur In addition to being unable to be used for a long period of time, rainwater may enter through these holes and rain leakage may occur, and when a hollow polycarbonate plate is used, heat insulation functions due to the occurrence of cracks, etc. Will be reduced.

  Such cracks are the result of the degree of freedom of expansion and contraction being blocked by the fixing portions by the nails and bolts when the synthetic resin corrugated sheet and the hollow polycarbonate sheet expand and contract in the length direction and width direction due to changes in the temperature of the outside air. Therefore, even if the packing is provided at the nail-attached portion, it is impossible to prevent the above-described rain leakage and the deterioration of the heat insulating function. In addition, synthetic resin plates such as polycarbonate plates have a problem in that they may melt and open a roof in the event of a fire and burn out.

  The present invention has been made in view of such problems, and its purpose is to fix the hollow synthetic resin plate on the roof without directly nailing, etc. A daylighting roof structure that exhibits excellent heat insulation function over a long period of time and can prevent burning for a long time despite the melting of the hollow synthetic resin plate in the event of a fire. In offer.

  In order to achieve the above object, a daylighting roof structure according to the present invention comprises a glass plate and a hollow synthetic resin plate having translucency provided with a large number of spaces penetrating through the glass plate. Are laminated with a small gap in the vertical direction to form a laminated translucent plate, and the laminated translucent plate is stretched in parallel in the left-right direction, and is adjacent to the left and right The pressing member and the front and rear end portions are fixed and supported by the main building member on the lower end side of the roof and the main building member on the upper end side of the roof over the entire length between the upper surface and the lower surface of the opposite end portions of the laminated translucent plate. The glass plate and the hollow synthetic resin plate constituting the laminated light-transmitting plate are integrally formed by arranging the supporting member in a erected state and fixing the pressing member and the supporting member with a fixing member at predetermined intervals. It has a structure that supports it.

  In the daylighting roof structure configured as described above, the invention according to claim 2 is the bent side end formed on the left and right side end portions of the hollow synthetic resin plate by arranging the glass plate on the upper surface side of the hollow synthetic resin plate. The part is arranged downward.

  In the daylighting roof structure according to claim 1 or 2, the invention according to claim 3 is characterized in that the support member is formed by integrally forming both side plate portions having a constant height at both side ends of the bottom plate portion. A spacer member that supports the lower surface of the opposite side end of the hollow synthetic resin plate adjacent to the left and right by both side plate portions and supports the lower surface of the opposite end of the glass plate adjacent to the left and right at the upper end inside is arranged. It is characterized by having installed.

  Furthermore, in the invention according to claim 4, the front and back purlin members disposed on the lower end side and the upper end side of the roof are divided into a bottom plate portion having a constant width long in the left-right direction of the roof, and the bottom plate portion. The front plate of the purlin member arranged on the lower end side of the roof is made higher than the rear plate portion, and the upper end side of the roof. The front side plate portion of the purlin member disposed in the lower side plate portion is formed lower than the rear side plate portion, and the front and rear end portions of the glass plate are formed at the upper end surfaces of the front side plate portion and the rear side plate portion which are high in these front and rear purlin members. Further, a U-shaped notch recess is formed in which the front and rear end portions of the support member are fitted in the rear plate portion and the front plate portion having a low height in the front and rear purlin members. And

  In the invention according to claim 5, the upper half of the front and rear end portions of the both side plate portions of the support member is cut out in an L-shaped cross section, and the lower half portion is formed as a projecting end portion having a low height. The front and rear main plate members have a front plate portion and a rear plate portion which are high in height, and are inserted and supported through these front and rear protruding end portions, respectively. It is characterized in that the upper half front ends of both side plate portions of the support member inserted through the projecting end portions in the provided insertion holes are brought into contact with and received by the rear surfaces of the front side plate portions.

  According to the daylighting roof structure of the first aspect of the present invention, there is a small gap in the vertical direction between the glass plate and the hollow synthetic resin plate having translucency provided with a large number of spaces penetrating inside. In addition to forming a laminated translucent plate by superimposing the laminated translucent plates, the laminated translucent plates are stretched in parallel in the left-right direction, so that it is possible to obtain a daylighting roof that exhibits excellent heat insulation. In addition, when a fire occurs, it is possible to prevent the incombustible glass plate from remaining and the fire from turning outside even if the hollow synthetic resin plate is melted.

  In addition, the holding member and the front and rear end portions of the roof translucent plate adjacent to the left and right adjacent to each other between the upper surface and the lower surface thereof are the purlin member on the lower end side of the roof and the purlin member on the upper end side of the roof. A glass plate and a hollow glass plate constituting a laminated light-transmitting plate by arranging a supporting member fixed and supported in a fixed state and fixing the pressing member and the supporting member by a fixing member at predetermined intervals. Since the synthetic resin plate is integrally supported, the glass plate and the hollow plate on the main building member are not hollowed directly on the glass plate or the hollow synthetic resin plate constituting the laminated translucent plate. A daylighting roof that can be stretched with a synthetic resin plate and is less likely to cause cracks and the like, and therefore has no risk of rain leakage over a long period of time and exhibits excellent heat insulation. Can provide structure, glass plate and hollow synthesis Even if the grease plate expands and contracts in the width direction due to changes in the temperature of the outside air, the expansion and contraction is not restricted by a nail or the like, so it is always stretched in an accurate and stable state without distortion. be able to.

  Further, according to the invention according to claim 2, in the laminated translucent plate of the glass plate and the hollow synthetic resin plate, the glass plate is disposed on the upper surface side of the hollow synthetic resin plate. Even if the glass plate breaks, it is possible to prevent the glass plate fragments from falling downward by the hollow synthetic resin plate having a large seismic strength, thereby improving safety. In addition, since the bent side ends formed on the left and right ends of the hollow synthetic resin plate are arranged downward, it becomes easy to overlap the glass plates with a small interval, and the rigidity of the hollow synthetic resin plate Can be improved.

  According to a third aspect of the present invention, the support member is formed by integrally forming both side plate portions having a constant height at both side ends of the bottom plate portion, and the opposite side walls of the hollow synthetic resin plate are opposed to each other by the both side plate portions. A spacer member that supports the lower surface of the end portion and supports the lower surface of the opposite side end portion of the glass plate adjacent to the left and right at the upper end surface is disposed on the both side plate portions of the support member. The opposite end of the hollow synthetic resin plate can be stretched and accurately supported in the width direction without fixing with screws or the like, and the adjacent glass plate is fixed from the upper surface of the hollow synthetic resin plate by the spacer member. It can be supported in a precise and stable state at a position where there is a gap.

  According to the invention of claim 4, the front and back purlin members disposed on the lower end side and the upper end side of the roof are divided into a bottom plate portion having a constant width long in the left-right direction of the roof, and the bottom. The front plate of the purlin member disposed on the lower end side of the roof is made higher than the rear plate, while the front plate of the roof plate is formed higher than the rear plate. The front plate portion of the purlin member disposed on the upper end side is formed lower than the rear plate portion, and the front and rear ends of the glass plate at the upper end surfaces of the front plate portion and the rear plate portion having a high height in these front and rear purlin members Since the portion is supported, even if the glass plate expands or contracts due to a change in the temperature of the outside air, the expansion and contraction can be freely allowed without causing distortion or the like.

  On the other hand, since the U-shaped cutout recess that supports the front and rear end portions of the support member fitted in the rear plate portion and the front plate portion having a low height in the front and rear purlin members is formed, screws, screws, etc. The supporting member can be reliably and firmly supported between the front and back purlin members without using them, and the construction can be easily performed without requiring any skill.

  Furthermore, according to the invention which concerns on Claim 5, the upper half part of the front-and-rear end part in the both-sides board part of the said supporting member is notched in cross-sectional L shape, and the lower half part is formed in a low-profile protrusion end part. On the other hand, an insertion hole is formed by inserting and supporting these front and rear protruding end portions in the front plate portion and the rear plate portion having a high height in the front and rear purlin members, and further, in the front purlin member, in the front plate portion The upper half front end of both side plates of the support member inserted through the protruding end into the provided insertion hole is in contact with and received by the rear surface of the front plate, so it tilts downward toward the front end. It is possible to easily construct the supporting member in a stable state at an accurate position without using a fixing bracket or the like.

  Next, a specific embodiment of the present invention will be described with reference to the drawings. In FIGS. 1 and 2, a daylighting roof A includes a glass plate 1 having a constant width that is long in the inclination direction of the roof, that is, the front-rear direction, and a light transmission The hollow synthetic resin plate 2 having the properties is superposed with the glass plate 1 facing upward so that there is a small gap between the upper and lower opposing surfaces. A set of laminated translucent plates A1 is formed by extending a plurality of laminated translucent plates A1 in parallel in the left-right direction. As the hollow synthetic resin plate 2, a polycarbonate plate, a polyethylene plate, a polypropylene plate or the like can be used. However, the polycarbonate plate is preferably used because it has good weather resistance, high impact strength, and good transparency.

  The structure of the daylighting roof A will be described in more detail. The glass plate 1 and the hollow synthetic resin plate 2 constituting the laminated translucent plate A1 are approximately equal in length in the longitudinal direction of the roof, and the width is the roof width. Is formed in a rectangular shape that is substantially equal to the width dimension obtained by dividing the plurality. As shown in FIG. 3, the hollow synthetic resin plate 2 has a space between the upper and lower plate portions 2a and 2b divided vertically by intermediate plate portions 2c and 2c, and upper and lower ends in the width direction. A plurality of rib portions 2d that are integrally connected to the opposite surfaces of the portions 2a and 2b over the entire length are arranged at small intervals, and the inside is laterally extended by these intermediate plate portions 2c and rib portions 2d. Are formed in multiple rows and a plurality of small space portions 2e in the vertical direction (three layers in the figure), and all these small space portions 2e extend between the front and rear end surfaces of the hollow synthetic resin plate 2. Furthermore, the left and right side end portions have a multilayered plate structure formed at bent side end portions 2f and 2f bent downward. And thin sealing material 2g, such as aluminum, is stuck on the front and rear end surfaces of the hollow synthetic resin plate 2 to close the end surface of the small space portion 2e, thereby improving the heat insulation of the hollow synthetic resin plate itself.

  When a relatively large glass plate 1 is employed, a hollow synthetic resin plate 2 having a width approximately half that of the glass plate 1 is used as the hollow synthetic resin plate 2 as shown in FIGS. By using two coupling members B made of hollow synthetic resin material formed in parallel and having a U-shaped cross section, the bent side ends 2f and 2f facing each other in the coupling member B are inserted in a joined state. The laminated translucent plate A1 is formed in the shape of a single piece together with the single glass plate 1.

  The opposing side end surfaces of the laminated translucent plates A1 and A1 adjacent in the left-right direction are opposed to each other with a small interval, but between the opposing side end surfaces of the glass plates 1 and 1 in the adjacent laminated translucent plates A1 and A1. The space 9b between the opposing side end surfaces of the hollow synthetic resin plates 2 and 2 is arranged to be wider than the interval 9a, and between the upper surfaces of the opposing side end portions of the adjacent laminated translucent plates A1 and A1, That is, the pressing member 3 is installed between the upper surfaces of the opposite end portions of the adjacent glass plates 1, and the lower surfaces of both side portions of the pressing member 3 are connected to the glass plates 1 through the strip-shaped packings 10 and 10. It is made to adhere to the upper surface of one opposing side edge part over the whole length, and between the lower surfaces in the opposing side edge part of adjacent laminated translucent board A1, A1, ie, the adjacent hollow synthetic resin board 2, 2 A supporting member 4 is installed in a erected state between the lower surfaces of the inner end corners of the bent side ends 2f and 2f at the opposite end. Thus, the upper end surfaces of both side portions of the support member 4 support the lower surfaces of the inner end corners of the bent side end portions 2f and 2f at the opposite end portions of the hollow synthetic resin plates 2 and 2.

  The pressing member 3 is made of a steel plate having a certain width and a length in which both front and rear ends reach the vicinity of both ends of the glass plate 1, while the supporting member 4 has a predetermined width and has a length. A steel plate slightly longer than the length of the hollow synthetic resin plate 2 is bent into a U-shaped cross section, and both side plate portions 4b and 4b having a certain height are integrally formed on both side ends of the bottom plate portion 4a having a certain width. The opposite side ends of the hollow synthetic resin plates 2 and 2 adjacent to each other as described above through the packings 11 and 11 covering the upper end portions of the both side plate portions 4b and 4b. Are supported in a locked state on the lower surface of the inner end corners of the bent side ends 2f, 2f. Therefore, the opposite bending side end portions 2 f and 2 f of the hollow synthetic resin plates 2 and 2 are received in both side plate portions of the upper end opening of the support member 4. Therefore, the hollow synthetic resin plate 2 does not leave in the left-right direction.

  And the packing 12 is interposed over the full length in the space | interval part 9a between the opposing side end surfaces of the glass plates 1 and 1 in the laminated translucent plates A1 and A1 adjacent to the left and right, and both side end surfaces thereof are opposed to the glass plates 1 and 1. A spacer having a rectangular cross section which is in contact with the side end face and has a height slightly higher than the sum of the height of the support member 4 and the thickness of the hollow synthetic resin plate 2 at the center in the support member 4 The member 5 is disposed, and the lower end surface of the spacer member 5 is received by the central portion of the bottom plate portion 4a of the support member 4, and the lower surface of the opposite end portion of the adjacent glass plates 1 and 1 at the upper end surface. And the lower surface of the packing 12 are received in a pressure-bonded state, and the opposite ends of the hollow synthetic resin plates 2 and 2 adjacent to both side surfaces of the spacer member 5 Opposite with an acceptable gap for the amount of expansion and contraction when expanding and contracting due to changes in It is caused.

  In addition, these are disposed in an erected state between the upper surfaces of the opposed end portions of the glass plates 1 and 1 and the lower surfaces of the opposed end portions of the hollow synthetic resin plates 2 and 2 in the adjacent laminated translucent plates A1 and A1. Bolt insertion holes 13 and 14 are provided at predetermined intervals in the length direction at the center in the width direction between the pressing member 3 and the support member 4. Then, the clamping bolt 8 as a fixing member is passed through the central portion of the spacer member 5 and the packing 12 of the glass plate 1 and 1 from the bolt insertion hole 14 on the support member 4 side through the packing 15, and the bolt on the holding member 3 side. By inserting a nut 17 through the insertion hole 13 and screwing a nut 17 to the protruding end of the tightening bolt 8 through the packing 16, the opposing ends of the glass plates 1 and 1 in the adjacent laminated translucent plates A1 and A1 are packed. , 15 etc. Opposite ends of the resin plate 2 and 2 side plate portions 4b of the support member 4 is supported via a packing 11 by the tip of 4b. At this time, the spacer member 5 whose upper end protrudes upward by a certain height from between the adjacent hollow synthetic resin plates 2 and 2 is fixed between the upper and lower opposing surfaces of the glass plate 1 and the hollow synthetic resin plate 2. A gap is provided.

  As described above, even when the pressing member 3 and the support member 4 are clamped by the tightening bolt 8 and the nut 17, the opposing end portions of the glass plates 1 and 1 are strongly clamped by the pressing member 3 and the spacer member 5. However, in the hollow synthetic resin plates 2 and 2, the spacer member 5 is first pressed against the lower surface of the opposite end portion of the glass plates 1 and 1 and is not pressed further on the glass plate 1 or 1 side. By simply pressing the strip-shaped packings 18 and 19 (shown in FIGS. 6 and 7) interposed across the entire width between the opposed surfaces of the front and rear ends and the front and rear ends of the hollow synthetic resin plate 2 Therefore, there is no tightening force by the tightening bolts 8 acting on the hollow synthetic resin plate 2, and therefore the hollow synthetic resin plate 2 is only supported, so that cracks and crushing do not occur, and for a long period of time. A good heat insulating effect can be exhibited.

  The pressing member 3 and the supporting member 4 are formed in a long shape as described above, and the length direction thereof is arranged in the direction of the inclination of the roof. 6 and 7, the roof is fixed and supported by a purlin member 6 on the lower end side of the roof and a purlin member 7 on the upper end side, respectively. Specifically, these purlin members 6, 7 are directed upward from bottom plate portions 6a, 7a having a constant width that is long in the left-right direction of the roof, and from the front and rear ends that are the long sides of the bottom plate portions 6a, 7a. In the purlin member 6 disposed on the lower end side of the roof, the front plate portion 6b has a height higher than that of the rear plate portion 6c, including the projecting front and rear side plate portions 6b, 6c and 7b, 7c. On the other hand, in the purlin member 7 disposed on the upper end side of the roof, the height of the front side plate portion 7b is formed lower than that of the rear side plate portion 7c, and the front side plate portion 6b and the rear side where the height of the front side purlin member 6 is high. The glass plate 1 is installed between the upper end surfaces of the side purlin member 7 and the high rear plate portion 7c, and the lower surfaces of the front and rear end portions of the glass plate 1 are arranged at the upper end surfaces of the front and rear side plate portions 6b and 7c. I support it.

  Moreover, it supports from an upper end surface in the arrangement | positioning location with the front-and-back end part of the supporting member 4 in the rear side board part 6c where the height of the front side purlin member 6 is low, and the front side board part 7b where the height of the rear side purlin member 7 is low. Front U-shaped notch recesses 20 and 21 having the same cross-sectional shape as the support member 4 are provided up to a depth corresponding to the thickness between the upper and lower ends of the member 4. By fitting the end portion, it is supported between the front and rear side plate portions 6c and 7b in an erected state and inclined downward from the rear end toward the front end.

  Further, the front and rear ends of the support member 4 are formed on a portion of the front plate 6b of the front purlin member 6 and the rear plate 7c of the rear purlin member 7 on the extension line of the support member 4 so as to face the cut recesses 20 and 21. Insertion holes 22 and 23 are provided through which protruding end portions 4c and 4d formed in the portion are inserted. The front and rear projecting end portions 4c and 4d of the support member 4 are formed at the lower half portion having a low height by cutting out the upper half portion of the front and rear end portions of the support member 4 in an L-shaped cross section. The front and rear portions of the front and rear ends of the support member 4 received in the notched recesses 20 and 21 are inserted into the front plate 6b of the front purlin member 6 and the rear plate 7c of the rear purlin member 7. And the front and rear protruding end portions 4c and 4d are inserted through the insertion holes 22 and 23, respectively, and the base end surface of the protruding end portion 4c inserted through the front insertion hole 22, that is, both the L-shaped cut out sides. The notch end surface 4c ′, which is the front end of the upper half of the plate portion 4b, is brought into contact with and received by the rear surface of the upper portion of the insertion hole 20 in the front plate portion 6b in a locked state.

  When the support member 4 is attached between the front and rear purlin members 6 and 7 as described above, the front end face of the hollow synthetic resin plate 2 supported by the support member 4 is the front side plate portion of the front purlin member 6. While the rear end surface is in contact with and received by the rear surface 6c, a clearance 22 is provided between the rear end plate 7c of the rear purlin member 7 and the rear synthetic plate 2c. Is configured to absorb the amount of expansion and contraction when it expands and contracts due to changes in temperature.

  On the other hand, as shown in FIG. 6, the upper end portion of the front side plate portion 6b in the front side purlin member 6 that supports the front end portion of the glass plate 1 disposed on the hollow synthetic resin plate 2 is a glass plate toward the front. 1 is formed in an inclined protruding piece 6b1 having a predetermined width in the front-rear direction by being refracted at the same inclination angle, and a protruding piece 6b2 having a constant height upward from the front end of the inclined protruding piece 6b1. Is bent at right angles to the inclined protruding piece 6b1, and the lower surface of the front end of the glass plate 1 is supported on the inclined protruding piece 6b1 via the packing 24, and the packing 25 is provided on the protruding piece 6b2. The front end surface of the glass plate 1 is received through the gap. Further, a top surface plate portion 6b3 having a constant front-rear width is connected to the upper end of the protruding piece portion 6b2.

  The front and rear purlin members 6 and 7 supporting the laminated translucent plate A1 of the glass plate 1 and the hollow synthetic resin plate 2 together with the support member 4 have their bottom plate portions 6a and 7a as upper end surfaces of the front columns 26 and 26, respectively. It is fixed by screws, screws or the like on the front and rear girder members 28, 29 that are installed and fixed between the upper end surfaces of the rear columns 27, 27, respectively. On the front and rear girder members 28 and 29, the front and rear purlin members 6 and 7 and the pressing metal members 30 and 31 at the front and rear ends of the glass plate 1 are fixed, respectively.

  The front holding metal fitting 30 has an upright plate portion 30b integrally connected to a front end of a horizontal plate portion 30a fixed to the front side beam member 28 by screws, screws or the like, and is rearwardly connected to an upper end of the upright plate portion 30b. The holding plate portion 30c is refracted and formed at the same inclination angle as the glass plate 1, and the lower surface of the front end portion of the holding plate portion 30c is exposed forward from the front end of the holding member 3 through the packing 32. The glass plate 1 is fixed to the top surface plate portion 6b3 of the purlin member 6 with screws 34 such as bolts while being pressed against the upper surface of the front end portion of the glass plate 1 and covering the exposed end portion.

  On the other hand, the rear holding metal part 31 is composed of an inner metal part 31A and an outer metal part 31B, and the lower horizontal plate part 31A1 of the inner metal part 31A is fixed on the rear beam member 29 with screws or screws. In addition, an upright plate portion 31A2 that reaches the rear end height of the glass plate 1 upward from the rear end of the lower horizontal plate portion 31A1 is integrally provided, and the outer metal fitting 31B overlaps the upright plate portion 31A2 of the inner metal fitting 31A. In addition, a pressing plate 31B2 is bent forward and formed at the upper end of the back plate 31B1 which is integrally fixed by screws 35 such as bolts. The lower surface of the front end of the pressing plate 31B2 is sealed with packing. The exposed end portion is covered by pressing against the upper surface of the rear end portion of the glass plate 1 exposed forward from the rear end of the pressing member 3 through 33. In addition, as shown in FIG. 5, only the side end portions of the glass plate 1 and the hollow synthetic resin plate 2 are formed on both side ends of the daylighting roof A as shown in FIG. Part) may be used.

  On the both side ends of the roof, as shown in FIG. 5, the hollow synthetic resin plate 2 in the laminated translucent plate A1 is formed as a support member 4 'in which only a half portion in the width direction has the same shape as the support member 4. What is necessary is just to comprise so that the side edge part of may be supported. Since other structures are the same as those in the above embodiment, the same parts are denoted by the same reference numerals and detailed description thereof is omitted.

  The daylighting roof A configured as described above is formed by the laminated light-transmitting plate A1 of the glass plate 1 and the hollow synthetic resin plate 2 as a whole or a part of the roof. And the hollow synthetic resin plate 2 have a small gap, and the internal space and the hollow synthetic resin plate 2 can provide a good heat insulating effect. Further, since the glass plate 1 is stretched above the hollow synthetic resin plate 2, even if an earthquake occurs and the glass plate 1 is damaged, the glass plate 1 is placed on the hollow synthetic resin plate 2 having high earthquake resistance. In the event of a fire, even if the hollow synthetic resin plate 2 is melted, the non-combustible glass plate 1 can be prevented. Can prevent the fire from turning outside.

  Further, the opposite ends of the laminated translucent plates A1 and A1 adjacent to the left and right are sandwiched between the pressing member 3 and the supporting member 4 and are clamped by the tightening bolts 8, and the glass plate 1 constituting the laminated translucent plate A1. In addition, since the hollow synthetic resin plate 2 is not directly fixed with screws, bolts, etc., it is possible to obtain a daylighting roof that does not cause rain leakage over a long period of time and exhibits an excellent heat insulating effect. In addition, even if the glass plate 1 or the hollow synthetic resin plate 2 expands and contracts in the width direction due to a change in the temperature of the outside air, the expansion / contraction amount can be absorbed by the gaps between the opposing end surfaces.

  Further, since the bent side end portions 2f are formed downward on the left and right ends of the hollow synthetic resin plate 2, the glass plates 1 can be easily overlapped, and the rigidity of the hollow synthetic resin plate 2 is improved. The side ends 2f can be used for connection in the left-right direction. In the above-described embodiment, the single-flow roof structure inclined downward from the rear end toward the front end as the lighting roof A has been described. However, in the roof structure inclined downward from the ridge side toward the eaves side on both sides. Of course, the above-described daylighting structure can be adopted.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. The longitudinal front view which abbreviate | omitted one part. The enlarged vertical front view. A partial perspective view. The enlarged vertical front view of the side edge part of a roof. The vertical side view which shows the attachment structure of the downward inclination end part of a roof. The vertical side view which shows the attachment structure of the upper inclination end part of a roof.

Explanation of symbols

A daylighting roof
A1 Laminated translucent plate 1 Glass plate 2 Hollow synthetic resin plate 3 Holding member 4 Support member 6, 7 Front and rear purlin member 8 Clamping bolt
11, 12 Packing

Claims (5)

  A laminated translucent plate is formed by stacking a glass plate and a hollow synthetic resin plate having translucency provided with a large number of spaces penetrating in the vertical direction with a small gap therebetween, and this lamination A lighting roof structure in which translucent plates are stretched in a parallel state in the left-right direction, and a pressing member between the upper surface and the lower surface of opposite side end portions of the laminated translucent plates adjacent to the left and right The front and rear end portions are arranged in a erected state with a purlin member on the lower end side of the roof and a support member fixed and supported on the purlin member on the upper end side of the roof, and these pressing members and the support members are arranged at predetermined intervals. A daylighting roof structure characterized by integrally supporting a glass plate and a hollow synthetic resin plate which are fixed by a fixing member and constitute a laminated light-transmitting plate.   The glass plate is disposed on the upper surface side of the hollow synthetic resin plate, and the bent side end portions formed on the left and right side end portions of the hollow synthetic resin plate are disposed downward. The described daylighting roof structure.   The support member is formed by integrally forming both side plate portions of a certain height at both side ends of the bottom plate portion, and supports the lower surface of the opposite side end portion of the hollow synthetic resin plate adjacent to the left and right by the both side plate portions. The daylighting roof structure according to claim 1 or 2, wherein a spacer member that supports a lower surface of the opposite side end portion of the glass plate adjacent to the right and left at the upper end surface is disposed inside.   The front and back purlin members arranged on the lower end side and the upper end side of the roof are a bottom plate portion having a constant width long in the left-right direction of the roof, and front and rear plates projecting upward from both front and rear ends of the bottom plate portion. The front plate of the purlin member disposed on the lower end side of the roof is made higher than the rear plate portion, while the front plate portion of the purlin member disposed on the upper end side of the roof is the rear plate portion. The front and rear end portions of the glass plate are supported at the upper end surfaces of the front plate portion and the rear plate portion having a high height in these front and rear purlin members. The U-shaped notch concave part which supported the front-and-rear end part of the supporting member in the state fitted in the low rear side board part and the front side board part is formed in Claim 1, 2, or 3 characterized by the above-mentioned. The described daylighting roof structure.   While the upper half of the front and rear end portions of both side plate portions of the support member are notched in an L-shaped cross section and the lower half portion is formed as a low projecting end portion, the front plate having a high height in the front and rear purlin members An insertion hole is formed through and supported by the front and rear protruding end portions of the front and rear plate portions. Further, in the front purlin member, the protruding end portion is inserted into the insertion hole provided in the front side plate portion. The daylighting roof structure according to claim 1, 3 or 4, wherein the front end of the upper half of both side plate portions of the support member is in contact with and received by the rear surface of the front plate portion. .

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