JP3177687B2 - Lighting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a multipurpose hall, a factory,
The present invention relates to a lighting device installed on a ceiling of a building such as a warehouse, and more particularly, to a structure of a dome main body constituting the lighting device.

[0002]

2. Description of the Related Art A daylighting device in which an opening is provided in a ceiling of a building and this opening is covered with a dome body made of a synthetic resin or the like having excellent light transmittance and light diffusing property is disclosed in Japanese Utility Model Publication No. 63-3 / 1988.
No. 9306, and is widely used in multipurpose halls, factories, warehouses, and the like. As shown in FIG. 4, such a daylighting device includes an opening 51 provided on a ceiling on a skeleton side, a concrete wall 53 surrounding the periphery of the opening 51, and an upper part of the wall 53. Frame 5 attached
5 and a dome body 57 disposed on the receiving frame 55 and covering the opening 51.

[0003] Most of the openings 51 are formed in a rectangular cross section, and correspondingly, a wall 53 around the opening 51 is also bulged in a frame shape so as to form four sides of a rectangle. .
The receiving frame 55 attached to the upper portion of the wall portion 53 is configured by assembling four aluminum receiving frame members 59 corresponding to the contour of the wall portion 53 in a frame shape. Each receiving frame member 5
9 includes a support surface 5901 that supports the dome body 57, and a receiving surface 5701 on the outer periphery of the dome body 57 is placed on the support surface 5901 via a packing 5903, and the support surface 5901 is secured to the support surface 5901 by a bolt 61 and a nut 63. The receiving surface 5701 is fastened. Further, inside each receiving frame member 59, a water receiving surface portion 5 which receives dew condensation falling from the lower surface of the dome main body 57 and discharges the water from the drain hole 5903 to the outside.
905 are formed. The receiving frame member 59 has its lower surface 5
907 is the anchor fitting 65 embedded in the wall 53
Between the wall portion 53 and the outer surface portion 5909 located on the outermost side of the receiving frame member 59.
Is embedded.

In such a conventional daylighting device, the outermost portion 57A of the dome body 57 is provided so as to be located inside the receiving frame 55 when viewed from above. Accordingly, since the receiving frame 55 is exposed to rainwater, the receiving frame 5
5 requires anticorrosion treatment. Therefore, conventionally, the four receiving frame members 59 are joined by welding and assembled into a rectangular frame to form the receiving frame 55, and after finishing the joining portion, anticorrosion treatment such as alumite treatment is applied.

[0005]

However, in such a conventional structure, it is necessary to carefully carry out the finishing treatment of the joint so as to ensure the anticorrosion treatment, and the finishing treatment of the joint takes time and effort. There was a trouble that was troublesome. In addition, since the receiving frame assembled in a frame shape cannot use the existing anti-corrosion treatment tank, a large-sized anti-corrosion treatment tank must be newly manufactured. There was a problem. The present invention has been devised in view of the above circumstances, the object of the present invention,
An object of the present invention is to provide a lighting device which can easily assemble a receiving frame by omitting welding work of a plurality of receiving frame members and finishing work of a joined portion thereof, and which is advantageous in preventing corrosion of the receiving frame.

[0006]

In order to achieve the above object, the present invention provides an opening 3 provided in a ceiling on a skeleton side;
A wall 5 surrounding the periphery of the opening 3, an aluminum receiving frame 7 attached to an upper portion of the wall 5, and a dome body 9 disposed on the receiving frame 7 and covering the opening 3. The receiving frame 7 includes a lower surface portion 1101 fixed on the wall portion 5, an inner vertical surface portion 1103 rising from an inner end of the lower surface portion 1101, and a lower portion near an outer end of the lower surface portion 1101. Bent outer vertical surface portion 1105 and inner vertical surface portion 110
3 and a support surface 1107 extending obliquely downward from the outside of the outer vertical surface 1105 to the outside of the outer vertical surface 1105. The support surface 1107 is bent obliquely downward from the outer end of the support surface 1107, and an intermediate portion is connected to the lower surface 1101. An outer surface portion 1109 and a bent surface portion 111 bent upward from an inner end of the support surface portion 1107
1 and four receiving frame members 11 made of an aluminum material, and connected at four corners by corner fittings 13 to be attached to an upper portion of the wall portion 5. A curved surface portion 901 formed in a rectangular shape in plan view by an upwardly convex curved surface;
01, and an outer surface portion 905 extending diagonally downward from the outer end of the receiving surface portion 903.
The dome body 9 has a receiving surface portion 903 of the dome body 9 located above the support surface portion 1107 of the frame body 7 and an outer surface portion 905 located outside the outer surface portion 1109 of the frame body 7. The packing 21 is disposed on the receiving frame 7, and a packing 21 is interposed between the receiving surface portion 903 and the support surface portion 1107, and between the outer surface portions 905 and 1109 at a position below the lower surface portion 1101. Is provided with a packing 21 and both outer surface portions 905 and 1109 are fastened by bolts 23 and nuts 27.
A filler 29 is embedded between the inside of the inner wall 5 and the wall 5.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a sectional view of a main part of a daylighting device according to an embodiment of the present invention, FIG. 2 is a front view thereof, and FIG. 3 is a plan view of a coupling portion of a receiving frame member. Reference numeral 1 denotes a daylighting device. The daylighting device 1 includes an opening 3 provided in a ceiling on a skeleton side, a concrete wall 5 bulging upward from the periphery of the opening 3, and an upper part of the wall 5. And a dome body 9 made of synthetic resin, which is disposed on the receiving frame 7 and covers the opening 3. The opening 3 is formed in a rectangular cross section, and the wall 5 is correspondingly bulged in a frame so as to form four sides of the rectangle.

The receiving frame 7 is composed of four receiving frame members 11 made of an aluminum material, and the receiving frame members 11 are connected by corner fittings 13 and screws 15 as shown in FIG. Each receiving frame member 11 includes a lower surface 1101 fixed on the wall 5 by the head 17A of the anchor 17 embedded in the wall 5, an inner vertical surface 1103 rising from the inner end of the lower surface 1101, An outer vertical surface portion 1105 bent downward from an outer end of the lower surface portion 1101 and an inner vertical surface portion 11;
The support surface portion 1107 extends obliquely downward from the inside of the portion 03 to the outside of the outer vertical surface portion 1105, and is bent obliquely downward from the outer end of the support surface portion 1107, and the middle portion connects to the lower surface portion 1101. And an outer surface portion 1109. A bent surface portion 1111 that is bent upward is formed at the inner end of the support surface portion 1107, and is formed so that the dew condensation falling from the lower surface of the dome body 9 is received by the support surface portion 1107 and discharged to the outside of the receiving frame 7. .

The dome main body 9 is formed to have a size to cover the upper part of the receiving frame 7. The dome main body 9 has a size corresponding to the opening 3 and a curved surface which is formed in a rectangular shape in plan view by a curved surface which is upwardly convex. A surface portion 901, a receiving surface portion 903 extending outward from the outer periphery of the curved surface portion 901, and an outer surface portion 905 extending obliquely downward from an outer end of the receiving surface portion 903. The receiving surface portion 903 is located above the support surface portion 1107, and the outer surface portion 905 is located outside the outer surface portion 1109. In this embodiment, the receiving surface portion 903 and the outer surface portion 905 cover above the receiving frame 7 and It corresponds to the outer edge 911 that covers the outermost part of the receiving frame 7.

A packing 21 is interposed between the receiving surface portion 903 and the support surface portion 1107, and the lower surface portion 1
A packing 21 is interposed between the outer surface portions 905 and 1109 at a position lower than 101, and the outer surface portions 905 and 110 are fastened by bolts 23, washers 25 and nuts 27.
9 is fastened, and a filler 29 is embedded between the inside of the outer surface portion 905 and the wall portion 5.

In this embodiment, the outer frame 911 of the dome main body 9 covers the entire receiving frame 7 so that the receiving frame 7 is not exposed to rainwater. Therefore, it is sufficient to perform a simple anticorrosion treatment on the receiving frame 7, which is advantageous in the anticorrosion treatment. In addition, the work of joining the four receiving frame members 11 by welding and the work of finishing the joined portions to reliably perform the anticorrosion treatment can be omitted, and the corrosion prevention can be achieved only by connecting the corner fittings 13 as in the embodiment. There is no problem, and it is possible to easily assemble the receiving frame 7. Further, since the anticorrosion treatment can be performed for each of the receiving frame members 11, the anticorrosion treatment can be easily performed using the existing anticorrosion treatment tank. Further, since the aluminum receiving frame 7 is covered with the dome body 9 made of synthetic resin, the heat insulating property is improved.

In the embodiment, the case where the dome body 9 is applied to the fixed type lighting device 1 in which the dome body 9 is fixed on the receiving frame 7 has been described. It is also applicable to devices.

[0013]

As is clear from the above description, the present invention
An opening 3 provided in the ceiling on the skeleton side, a wall 5 surrounding the periphery of the opening 3, an aluminum receiving frame 7 attached to an upper part of the wall 5, and an arrangement on the receiving frame 7. A dome main body 9 provided to cover the opening 3, wherein the receiving frame 7 is fixed on a wall 5 by a lower surface 110.
1 and an inner vertical surface 11 rising from the inner end of the lower surface 1101
03, an outer vertical surface portion 1105 bent downward from a position near the outer end of the lower surface portion 1101, and a support surface portion 1107 extending obliquely downward from an inner portion of the inner vertical surface portion 1103 to an outer side of the outer vertical surface portion 1105. From the outer end of the support surface portion 1107, and is bent obliquely downward, and the middle portion is the lower surface portion 110.
1 and four receiving frame members 11 made of an aluminum material and having a bent surface portion 1111 bent upward from the inner end of the support surface portion 1107, and corner fittings 13 at four corners thereof. The dome body 9 is connected to the dome body 9 by a curved surface portion 901 which is formed in a rectangular shape in plan view by a curved surface that is convex upward, and the dome body 9 is connected to an outer periphery of the curved surface portion 901. The dome body 9 includes a receiving surface portion 903 extending in the direction of the arrow and an outer surface portion 905 extending obliquely downward from the outer end of the receiving surface portion 903. 1107 and the outer surface portion 905
Is disposed on the receiving frame 7 so as to be located outside the outer surface 1109 of the frame 7, and a packing 21 is interposed between the receiving surface 903 and the support surface 1107, and the lower surface Both outer surface portions 905,
1109, a packing 21 is interposed, and both outer surface portions 905, 110
9 is fastened, and the filler 29 is embedded between the inside of the outer surface portion 905 and the wall portion 5. Therefore, it is possible to easily assemble the receiving frame by omitting welding work of a plurality of receiving frame members and finishing work of the joint thereof,
Furthermore, a daylighting device which is advantageous in preventing corrosion of the receiving frame can be obtained.

[Brief description of the drawings]

FIG. 1 is a sectional view of a main part of a daylighting device according to an embodiment of the present invention.

FIG. 2 is a front view of the daylighting device according to the embodiment of the present invention.

FIG. 3 is a plan view of a coupling portion of a receiving frame member according to the embodiment of the present invention.

FIG. 4 is a sectional view of a main part of a conventional daylighting device.

[Explanation of symbols]

 1 Daylighting Device 3,51 Opening 5,53 Wall 7,55 Receiving Frame 9,57 Dome Body 11,59 Receiving Frame Member 911 Outer Edge

Claims (1)

(57) [Claims] And 1. A opening 3 provided in the ceiling of the skeleton side, the wall 5 surrounding the periphery of the opening 3, the aluminum receiving frame 7 which is attached to the upper portion of the wall portion 5, the A dome body 9 disposed on a receiving frame 7 and covering the opening 3 , wherein the receiving frame 7 is fixed to a wall 5 on a lower surface 1101.
And the inner vertical surface 110 rising from the inner end of the lower surface 1101
3 and bent downward from the outer edge of the lower surface portion 1101
From the outer vertical surface 1105 and the inner side of the inner vertical surface 1103
It extends obliquely downward over the outside of the outer vertical surface 1105.
The exposed support surface 1107 and the outer end of the support surface 1107
From the lower surface 1101
Surface portion 1109 connected to the inner surface and the inner end of the support surface portion 1107
With a bent surface portion 1111 bent upward from
When it is composed of four receiving frame members 11 made of
And connected by corner fittings 13 at the four corners
The dome main body 9 is attached to an upper portion of the wall portion 5, and the dome body 9 has a rectangular surface in a plan view due to an upwardly convex curved surface.
A curved surface portion 901 formed into a shape;
A receiving surface portion 903 extending outward from the outer periphery;
And an outer surface portion 905 extending diagonally downward from the outer end of
The dome body 9 is provided with a receiving surface portion 903 of the dome body 9.
The outer surface 9 is positioned above the support surface 1107 of the frame 7.
05 is positioned outside the outer surface 1109 of the frame 7
The receiving frame 7 is disposed between the receiving surface portion 903 and the support surface portion 1107.
The kin 21 is interposed , and the two outer surface portions 90 are provided below the lower surface portion 1101.
A packing 21 is interposed between 5,1109 and
Bolts 23 and nuts 27 allow both outer surfaces 905, 1
109 is fastened, and the filler 2 is provided between the inside of the outer surface portion 905 and the wall portion 5.
9. A lighting device , wherein 9 is embedded .