JP2005336727A - Ceiling structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide the ceiling structure capable of effectively draining a leakage of water dropping from a ceiling slab to the upper surface of a ceiling. <P>SOLUTION: The ceiling substrate 10 is supported on the slab 1 by a hanging bolt 2 fixed to the upper part, and the ceiling 20 consisting of a plurality of ceiling panels 21 arranged in parallel on the ceiling substrate 10 is supported. A dividing bead 30 is provided to a part coming into contact with a wall surface W of the ceiling 20, and the dividing bead 30 is divided into an upper edge 31 and a lower edge 32. An eaves section 37 receiving the circumferential edge section of the ceiling 20 in the lower edge 31 and a gutter section 38 are provided to the outside of the eaves section 37, the leakage of water dropping on the upper surface of the ceiling 20 is collected to the gutter section 38, and wastewater treatment is made from a drain outlet 41 formed in the gutter section 38 to prevent the leakage of water from being leaked to the lower surface side of the ceiling 20. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a ceiling structure suitable for use in underground spaces such as a basement, an underground mall, and a subway.

Conventional technology

  Conventionally, a ceiling is formed by fixing the upper portions of a number of suspension bolts to a ceiling slab that forms an underground space and attaching a ceiling panel to a ceiling base supported by suspension of the suspension bolts.

  In general, sufficient measures are taken for water leakage in underground spaces, but they are not perfect. For this reason, when water leaks from the ceiling slab, the water leaks to the top surface of the ceiling.

  By the way, in the conventional ceiling structure in the underground space, the measures for water leakage from the ceiling slab are insufficient, and when the ceiling panel is a water-permeable panel, the panel is It penetrates and stains the bottom of the ceiling.

  In addition, when the ceiling panel is a metal non-permeable panel, there is a risk of water leakage from the connection portion of the ceiling panel.

  An object of the present invention is to provide a ceiling structure capable of effectively draining water leaked from a ceiling slab to the ceiling upper surface, and preventing dripping of the water leak without causing the ceiling to become dirty. Is to provide.

  In order to solve the above-described problems, in the present invention, the ceiling is supported by a ceiling base supported by being suspended by a slab, a parting edge is provided at a portion in contact with the wall surface of the ceiling, and the ceilings are arranged in parallel. Insertion that consists of a plurality of elongate ceiling panels, each ceiling panel has a pair of flanges on both sides, one flange is formed with a connection groove extending long in both ends, and the other flange is fitted into the connection groove In a ceiling structure that is a bent product of a thin metal plate provided with a piece, a flange having a support piece that supports an outer peripheral portion of the ceiling on the parting edge, and a bottom surface outside the flange is an upper surface of the ceiling panel With a flange part that is the same height or slightly lower, and a drain hole is formed in a part of the bottom surface of the collar part, and the bottom surface of the collar part is inclined downwardly toward the drain hole. It was.

  Here, the parting edge is divided into an upper parting edge and a lower parting edge connected to the upper parting edge via a clip, and a plurality of pressing pieces for pressing the outer peripheral edge of the ceiling to the inner peripheral part of the upper parting edge Is provided at intervals in the length direction, and the lower parting edge is provided with the collar part and the collar part, so that lifting of the outer peripheral edge of the ceiling can be prevented by the presser piece. It can be supported stably. In addition, since the lower parting edge can be attached to the upper parting edge via a clip after the upper parting edge is attached, the parting edge can be easily attached.

  In the ceiling structure according to the present invention, when the ceiling panel is inclined with a downward slope from one end to the other in the length direction, the water leaked on the upper surface of the ceiling flows along the inclination of the ceiling panel and is parted. Since it flows into the ridge part of the edge, it is possible to effectively collect and treat the water leakage.

  In the ceiling structure according to the present invention, a rectangular opening for mounting an instrument is formed in the ceiling, and a parting edge for the instrument is provided on an inner periphery in contact with the outer periphery of the instrument of the opening, and the parting edge for the instrument is coupled by a clip The upper parting edge is divided into the upper parting edge, the upper parting edge is provided with a plurality of holding pieces that hold the periphery of the opening of the ceiling panel at intervals in the length direction, and the lower parting edge is provided with the ceiling panel. A heel portion that supports a peripheral edge portion that faces the opening of the rim portion, and a ridge portion whose bottom surface is the same as or slightly lower than the upper surface of the ceiling on the opening side from the ridge portion, are orthogonal to the ceiling panel. The lower parting edge extending in the direction and one of the lower parting edge parallel to the ceiling panel are opened at both ends, and both ends of the other part are communicated with one of the ceiling parts. Leakage dropped on top surface There is preferred to prevent water leakage from the contact portion of the instrument to be attached to the opening and opening.

  As described above, by providing a flange on the parting edge, forming a drainage hole in a part of the bottom surface of the flange, and inclining the bottom surface of the flange toward the drainage hole, from the slab to the top surface of the ceiling The dripping water can be collected at the edge of the edge, and the collected water can be drained from the drainage hole to prevent the ceiling from being contaminated by water leakage or leaking from the ceiling panel connection. Can be prevented.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. As shown in FIGS. 1 to 4, an upper portion of a plurality of suspension bolts 2 is fixed to a ceiling slab 1 in an underground space, and a ceiling base 10 is supported by a hanger 3 attached to a lower end portion of each suspension bolt 2. ing.

  The ceiling foundation 10 includes a plurality of parallel edge receivers 11 supported by the hangers 3, a field edge 12 extending in a direction orthogonal to the field receiver 11, and the field edge 12 and field edge. It consists of a clip 13 that connects the intersections of the receivers 11.

  Here, as shown in FIG. 4, the field edge receiver 11 is made of a lightweight steel material provided with flanges 11b on both sides of the web 11a, while the field edge 12 is formed on both sides of the web 12a as shown in FIG. A pair of flanges 12b is provided, and it is made of a lightweight steel material in which downward bent pieces 12d are provided on the side edges of the inwardly bent pieces 12c provided on the side edges of the flanges 12b.

  A ceiling 20 is attached to the lower surface of the ceiling base 10. The ceiling 20 is composed of a plurality of ceiling panels 21.

  As shown in FIG. 4, the ceiling panel 21 is formed of a bent metal thin plate product. The ceiling panel 21 is provided with a pair of flanges 21b facing upwards on both sides of an elongated strip-like panel body 21a, an inwardly bent piece 21c on the upper edge of one flange 21b, and the bent piece 21c. An outwardly attaching piece 21d is formed on the side edge of the inner side, and a connecting groove 21e is provided between the inwardly bent piece 21c, and an insertion piece 21f that can be inserted into the connecting groove 21e on the upper edge of the other flange 21b. It is set as the bowl-shaped structure which provided.

  As shown in FIG. 3, the plurality of ceiling panels 21 are arranged so as to be orthogonal to the field edge 12, and the insertion piece 21f is inserted into the adjacent connection groove 21e and screwed into the field edge 12 from the lower surface of the outward mounting piece 21d. The outward mounting piece 21 d is fixed to the field edge 12 by tightening the tapping screw 22.

  Further, the plurality of ceiling panels 21 are attached in an inclined shape having a gentle downward slope from one end to the other end in the length direction.

  Of the plurality of ceiling panels 21 forming the ceiling 20, the ceiling panels 21 on both sides employ the ceiling panels 21 from which one of the flanges 21b is removed.

  A parting edge 30 in the form of a square frame is provided at a portion in contact with the wall surface W of the ceiling 20. As shown in FIGS. 3 and 5, the parting edge 30 is divided into an upper parting edge 31 and a lower parting edge 32, and the upper parting edge 31 is inserted into the field edge 12 from below by the tapping screw 33. 12 is fixed. On the other hand, the lower parting edge 32 is connected to the upper parting edge 31 via a clip 34.

  Here, as shown in FIG. 7, when the upper parting edge 31 and the lower parting edge 32 are composed of a plurality of upper parting edges 31 and lower parting edges 32, the end faces of the upper parting edge 31 and the end faces of the lower parting edge 32 Are connected to each other via the joint tool 35.

  As shown in FIG. 5 and FIG. 6, a plurality of presser pieces 36 that hold the outer peripheral edge of the ceiling 20 are formed on the inner surface of the lower surface of the upper parting edge 31 at intervals in the length direction of the upper parting edge 31. Yes.

  On the other hand, the lower parting edge 32 is provided with a flange 37 facing the lower surface of the outer peripheral edge of the ceiling 20 and a flange 38 on the outer side of the flange 37, Is provided with a support piece 39 for supporting the outer periphery of the lower surface of the ceiling 20. A seal member 40 is provided between the upper surface of the flange portion 37 and the outer peripheral portion of the lower surface of the ceiling 20.

  The flange portion 38 is positioned higher than the flange portion 37, and the bottom surface thereof is the same as or slightly lower than the upper surface of the panel body 21 a in the ceiling panel 21.

  As shown in FIG. 3, a drain hole 41 is provided in a part of the bottom surface of the flange portion 38 in the lower parting edge 32 having a rectangular frame shape, and the bottom surface of the flange portion 38 is inclined downward toward the drain hole 41. doing. Reference numeral 42 denotes a drain pipe connected to the drain hole 39.

  When the water leakage occurs in the slab 1 and drops, the water leakage is received on the upper surface of the ceiling 20.

  At this time, since the plurality of ceiling panels 21 arranged in parallel forming the ceiling 20 are inclined with a downward slope from one end to the other in the length direction, when the amount of leaked water increases, the water leakage Flows along the inclination of the ceiling panel 21, flows into the flange 38 of the lower parting edge 32, and is collected in the flange 38. Further, since the bottom surface of the flange portion 38 is inclined toward the drain hole 41, the water leaked into the flange portion 38 flows along the inclination of the bottom surface of the flange portion 38 and reaches the drain hole 41. It flows down from 41 to the drain pipe 42 and is appropriately drained.

  As described above, the water leaking from the slab 1 to the upper surface of the ceiling 20 is collected in the flange 38 of the lower parting edge 32, and flows down from the flange 38 to the drain hole 41 and drains from the drain pipe 42. Even when the amount of water is large, the leakage can be smoothly drained, and the inconvenience of leaking from the connection portion of the ceiling panel 21 forming the ceiling 20 to the lower surface side of the ceiling 20 and dropping into the underground space is caused. It can be completely prevented.

  Further, since the ceiling panel 21 is formed of a bent metal thin plate product, it is possible to completely prevent the occurrence of inconvenience that water leaked onto the upper surface of the ceiling 20 penetrates into the ceiling panel 21 and the lower surface is soiled. it can.

  As shown in the embodiment, the parting edge 30 is divided into an upper parting edge 31 and a lower parting edge 32, and the upper parting edge 31 is provided with a pressing piece 36 that presses the outer periphery of the upper surface of the ceiling 20. It is possible to prevent the outer peripheral portion from being lifted and to obtain a stable mounting state on the ceiling 20.

  In addition, since the lower parting edge 32 can be attached via the clip 34 after the upper parting edge 31 is attached, the parting edge 30 can be easily attached.

  FIG. 8 shows another embodiment of a ceiling structure according to the present invention. In this embodiment, a rectangular opening 50 for mounting a fixture such as a lighting fixture is formed in the ceiling 20 formed by a plurality of ceiling panels 21, and a rectangular frame shape is formed on the inner periphery of the opening 50 in contact with the outer periphery of the fixture 51. An instrument parting edge 60 is provided.

  The instrument parting edge 60 is divided into an upper parting edge 61 and a lower parting edge 62, and the upper parting edge 61 is screwed to the field edge 12. A plurality of presser pieces 63 are formed on the outer periphery of the lower surface of the upper parting edge 61 at intervals so as to press the end of the ceiling panel 21 facing the opening 50.

  The lower parting edge 62 is connected to the upper parting edge 61 by a clip 64. The lower parting edge 62 is formed with a flange 66 having a support piece 65 for supporting an end of the ceiling panel 21 facing the opening 50, and a flange 67 on the opening 50 side of the flange 66. A seal member 68 is provided between the facing surfaces of the flange 66 and the ceiling panel 21.

  The flange portion 67 is positioned higher than the flange portion 66, and the bottom surface of the flange portion 66 is at the same height as the top surface of the panel body 21 a in the ceiling panel 21 or a slightly lower position.

  In the lower parting edge 62 having a rectangular frame shape, one of a flange part 67 of the lower parting edge 62 extending in a direction orthogonal to the ceiling panel 21 and one of the collar part 67 of the lower parting edge 62 parallel to the ceiling panel 21 is at both ends. Opened, both ends of the other flange 67 communicate with the flange 67 of one lower parting edge 62.

  As described above, by providing the instrument parting edge 60 on the inner periphery of the instrument mounting opening 50 in contact with the instrument 51, the leakage of water flowing toward the instrument 51 along the upper surface of the ceiling panel 21 is caused in the instrument parting edge 60. Water can be collected at the flange portion 67 of the lower parting edge 62 and drained from the opening of the flange portion 67 to the upper surface of the ceiling panel 21.

  For this reason, it is possible to prevent leakage of water from the connection surface between the parting edge 60 for the instrument and the instrument 51 to the lower surface side of the ceiling 20.

The perspective view which shows embodiment of the ceiling structure which concerns on this invention Plan view of FIG. Sectional view along line III-III in FIG. Sectional view along line IV-IV in FIG. Sectional drawing which expands and shows a part of FIG. Sectional view showing the connection part of the parting edge Exploded perspective view showing connection part of parting edge Longitudinal front view showing another embodiment of the ceiling structure according to the present invention

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Slab 10 Ceiling base 20 Ceiling 21 Ceiling panel 21b Flange 21e Connecting groove 21f Insertion piece 30 Parting edge 31 Upper parting edge 32 Lower parting edge 34 Clip 36 Pressing piece 37 Gutter part 38 Gutter part 39 Support piece 41 Drain hole

Claims (4)

  The ceiling is supported by a ceiling base suspended from a slab, and a parting edge is provided at a portion in contact with a wall surface of the ceiling, and the ceiling includes a plurality of elongated ceiling panels arranged in parallel. It was a metal sheet bending product that had flanges on both sides, one flange was formed with a connection groove extending long in both ends, and the other flange was provided with an insertion piece fitted into the connection groove. In the ceiling structure, a flange having a supporting piece for supporting the outer periphery of the ceiling at the parting edge, and a flange whose bottom surface is flush with or slightly lower than the top surface of the ceiling panel outside the flange. A ceiling structure, characterized in that a drainage hole is formed in a part of the bottom surface of the collar part, and the bottom surface of the collar part is inclined with a downward slope toward the drainage hole.   The parting edge is divided into an upper parting edge and a lower parting edge connected to the upper parting edge via a clip, and a plurality of presser pieces for holding the outer peripheral edge of the ceiling on the inner periphery of the upper parting edge are long. The ceiling structure according to claim 1, wherein the ceiling structure is provided at intervals in the vertical direction, and the flange part and the flange part are provided on a lower parting edge.   The ceiling structure according to claim 1 or 2, wherein the ceiling panel is inclined with a downward slope from one end in the length direction to the other end.   A rectangular opening for mounting an instrument is formed in the ceiling, and an instrument parting edge is provided on the inner periphery of the opening that touches the outer periphery of the instrument. The parting edge for the instrument is connected to the upper parting edge and the lower parting part. The upper parting edge is provided with a plurality of holding pieces that are spaced from each other in the longitudinal direction, and the lower parting edge has a peripheral part that faces the opening of the ceiling panel. A lower parting edge ridge that extends in a direction orthogonal to the ceiling panel is provided with a supporting ridge, and a ridge whose bottom is the same height as or slightly lower than the top surface of the ceiling. The ceiling structure according to any one of claims 1 to 3, wherein one of the flange part and a flange part of the lower parting edge parallel to the ceiling panel is opened at both ends, and both ends of the other flange part are communicated with one flange part. .

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