JP2013136871A - Ceiling inspection port - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ceiling inspection port to which a lighting sheet for adopting light from an upper part indoors is simply attached.SOLUTION: In a ceiling inspection port 2 which includes: an outer frame 4 which is attached to an opening 3 formed on the ceiling of a building; an inner frame 5 which is openably/closably attached to the outer frame 4; a first holding member 7 and a second holding member 8 which fix a lighting sheet 6 for adopting light from an upper part indoors to the inside of the inner frame 5, it is constituted so that the second holding member 8 which is second fixation means for fixing the lighting sheet to the opposite side of the other set in a state that the lighting sheet 6 is fixed to one set of the opposite sides of the inner frame 5 formed like a rectangular frame by the first holding member 7 which is first fixation means includes a plate part 25 which is a rising part, and the lighting sheet 6 is sandwiched with the inner frame on the outer surface 39 of the plate part 25 and the lower surface 38 of a plate part 26 which is the lower end surface of the rising part.

Description

  The present invention relates to a ceiling inspection port that is attached to a ceiling of a building and takes sunlight or the like into a room.

  When installing a skylight on the roof of a building and taking sunlight into the room, install an inspection port with a light diffusing sheet in the opening on the ceiling, etc. It is convenient if it can be incorporated. Patent Document 1 discloses an illumination device in which a light diffusion sheet is attached using a fluorescent lamp or the like as a light source. In this illuminating device, the light of the fluorescent lamp is taken into the room through the light diffusion sheet of the frame.

JP 2006-209978 A

  Patent Document 1 describes that the light diffusing sheet is attached to the frame in a state where an appropriate tension is applied, but a specific method for attaching the light diffusing sheet to the frame is not disclosed. When the plate-like lid is placed on the frame, the lid is fixed to the frame by a pressing member installed on the frame at an appropriate interval. The pressing member cannot be used when attached to the frame.

  An object of the present invention is to solve such a problem, and to provide a ceiling inspection port to which a daylighting sheet for taking in light from above into a room can be easily attached.

  In order to solve this problem, the present invention provides an outer frame attached to an opening formed in a ceiling of a building, an inner frame attached to the outer frame so as to be openable and closable, and a daylighting sheet for taking light from above into the room. In a ceiling inspection opening provided with a fixing means for fixing to the inside of the inner frame, in a state where the daylighting sheet is fixed by the first fixing means to a pair of opposing sides of the inner frame formed in a rectangular frame shape The second fixing means for fixing the daylighting sheet to the opposite side of the other set includes a rising portion so that the daylighting sheet is sandwiched between the outer surface of the rising portion and the lower end surface of the rising portion between the inner frame. It is composed.

Further, according to the present invention, the outer surface and the inner frame of the rising portion are formed with uneven portions that mesh with each other.
In the present invention, the corner formed by the rising portion and the lower end surface is formed in an arc shape.
In the present invention, the inner frame is provided with a convex portion for positioning the first fixing means or the second fixing means.

  According to the first aspect of the present invention, in the state where the daylighting sheet is fixed to the pair of opposing sides of the inner frame by the first fixing means, the second fixing means is below the outer surface of the rising portion and the rising portion. Since the daylighting sheet is sandwiched between the end face and the inner frame, it is possible to provide a ceiling inspection port to which the daylighting sheet can be easily attached.

It is sectional drawing of the ceiling inspection port of the state attached to the ceiling. It is a top view of a ceiling inspection port. It is AA sectional drawing of a ceiling inspection port. It is BB sectional drawing of a ceiling inspection opening. It is CC sectional drawing of a ceiling inspection opening. It is sectional drawing which shows the attachment state of a 2nd pressing member. It is the schematic which shows the procedure which latches a daylighting sheet | seat on the 1st pressing member. It is the schematic which shows the procedure which latches a daylighting sheet | seat on the 2nd pressing member.

  Hereinafter, an embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, for example, a skylight 1 is provided on the roof of a building, and sunlight entering from the skylight 1 is taken into the room through a ceiling inspection port 2. The ceiling inspection port 2 is attached to the indoor side of the opening 3 and includes an outer frame 4 and an inner frame 5 attached to the outer frame 4 so as to be opened and closed. Inside the inner frame 5 is a daylighting sheet 6 for taking sunlight into the room, a first pressing member 7 as a first fixing means for fixing each side of the daylighting sheet 6 to the inner frame, and a second fixing means. A certain second pressing member 8 is provided. The ceiling inspection port 2 is screwed to the opening 3 in a state where three ceiling inspection ports 2 are connected via a connecting member 18 described later.

  The outer frame 4 is formed of an extruded aluminum material and has a rectangular frame shape when viewed from the indoor side. The cross section of the outer frame 4 has a U-shape, and the plate portions 9 and 10 that form opposite side surfaces of the U-shape extend to the opening side. The plate 9 on the side facing the room extends further outward from the U-shaped bottom to form a plate 11.

  The inner frame 5 is formed of an aluminum extruded material, and the shape when viewed from the indoor side is a frame-like rectangle. The cross section of the inner frame 5 is formed in a substantially inverted T shape, and plate portions 13 and 14 extending inward and outward of the opening are provided at the lower end of the rising wall 12 formed in the vertical direction. On the inner surface 15 of the rising wall 12, a zigzag concavo-convex portion 16 that engages with the second pressing member 8 is formed over the entire circumference, and further above the concavo-convex portion 16, the first pressing member 7 or the second pressing member. Convex portions 17 that contact the upper ends 35 and 41 of the plate portions 19 and 25 of the member 8 and position the first pressing member 7 or the second pressing member 8 are provided. The inner frame 5 is pivotally locked to the outer frame 4 by an engagement member 42 that engages the plate portion 14 extending outward of the inner frame 5 and the plate portion 9 of the outer frame 4.

  As the daylighting sheet 6, for example, Tinkle (R) manufactured by Unitika Co., Ltd. is used. Unitika's Tinkle (R) is formed in a sheet shape with excellent light transmission, excellent flexibility and flexibility, and excellent nonflammability without generating a large amount of smoke in the event of a fire. .

  The first pressing member 7 is made of aluminum and has a long cross section with an L shape. The first pressing members 7 are respectively screwed to the inner surfaces 15 of a pair of opposed rising walls 12 in the inner frame 5. Of the two plate portions 19 and 20 forming the L-shape, a holding portion 21 that locks the end portion of the daylighting sheet 6 is formed at the lower end of the plate portion 19 that is attached to the rising wall 12 and faces in the vertical direction. The The sandwiching portion 21 includes a cut portion 22 formed in the vertical direction at the lower end portion of the plate portion 19, and sandwiching pieces 23 formed on both sides of the cut portion 22. The cut portion 22 has a wave shape in which Rs are continuously connected. The operator presses the clamping portion 21 and presses the cut portion 22 in a state where the end portion of the daylighting sheet 6 is pinched by the cut portion 22. Thereby, the daylighting sheet 6 is locked to the first pressing member 7. An attachment hole 44 for screwing the first pressing member 7 to the inner frame 5 is provided above the clamping part 21 of the plate part 19.

  The plate portion 20 on the other side of the L-shaped plate portion 19 extends horizontally toward the inside of the opening. The peripheral portion of the insect repellent panel 24 is placed on the plate portion 20. The insect repellent panel 24 is located above the daylighting sheet 6 and prevents insects and the like from adhering to the daylighting sheet 6.

  The first pressing member 7 is screwed to the inner frame 5 with the end portion of the daylighting sheet 6 sandwiched therebetween, but is not limited to this. Other forms may be used as long as they can be fixed to the inner frame 5 with the end portions of the daylighting sheets 6 locked.

  The second pressing member 8 is a long length formed of an aluminum extrusion material, and is screwed to the inner surface 15 of the opposing rising wall 12 which is different from the rising wall 12 to which the first pressing member 7 is attached. The The second pressing member 8 includes a plate portion 25 that faces in the up-down direction while being attached to the rising wall 12, and a plate portion 26 that is continuously provided horizontally from the lower end of the plate portion 25 toward the inside of the opening. Prepare.

  A plate portion 27 extending horizontally toward the inside of the opening is formed at the upper end of the plate portion 25 facing in the vertical direction, and the peripheral portion of the insect repellent panel 24 is placed on the plate portion 27. A plate portion 28 for fixing a safety wire 43 for preventing the inner frame 5 from dropping is formed in the vertical direction above the plate portion 27, and a plate portion 29 is formed in the horizontal direction from the plate portion 28. Yes. The peripheral portion of the insect repellent panel 24 placed on the second pressing member 8 is sandwiched between the plate portion 27 and the plate portion 29. This prevents the insect repellent panel 24 from floating.

  Below the plate portion 27, a cylindrical portion 30 having two sides of the plate portion 27 and the plate portion 25 is formed. A plurality of ribs 31 are provided inside the cylindrical portion 30, and the plate portion 25 and the plate portion 27 are reinforced by the cylindrical portion 30. The plate portion 45 located inside the opening portion 3 among the plate portions constituting the cylindrical portion 30 is inclined so that the cylindrical portion 30 becomes narrower toward the lower end, and thus enters from the skylight 1. The light can be diffused throughout the daylighting sheet 6 without being blocked by the cylindrical portion 30.

The lower end corner portion 32 of the plate portion 25 that is a rising portion is formed in an arc shape so that the daylighting sheet 6 is not damaged when pressed against the daylighting sheet 6. The operator presses the corner portion 32 formed in an arc shape against the daylighting sheet 6 and attaches the second pressing member 8 to the inner frame 5 while extending the collar of the daylighting sheet 6. A zigzag uneven portion 33 is formed on the outer surface of the plate portion 25, and the daylighting sheet 6 is sandwiched between the uneven portion 16 of the inner frame 5 in the uneven portion 33. A plate portion 26 is provided horizontally at the lower end of the plate portion 25 toward the inside of the opening, and the daylighting sheet 6 is placed on the inner frame 5 on the lower end surface 40 of the front end portion of the plate portion 26 which is the lower end surface of the rising portion. It is sandwiched between the end portion upper surface 37 of the plate portion 13.
In order to prevent contact between the first pressing member 7 and the second pressing member 8, both longitudinal ends 34 of the second pressing member 8 are cut obliquely.

  Here, the installation procedure of the ceiling inspection port 2 will be described. In the present embodiment, three ceiling inspection ports 2 are attached in a connected state. First, a procedure for attaching the daylighting sheet 6 to the inner frame 5 of the ceiling inspection port 2 will be described. The daylighting sheet 6 cut to an appropriate size has one set of opposing sides sandwiched by the first pressing member 7, and then the other set of opposing sides is sandwiched by the second pressing member 8.

  First, a procedure for holding a pair of opposing sides by the first pressing member 7 will be described. As shown in FIG. 7A, the end portion of the daylighting sheet 6 is sandwiched between the cut portions 22 of the first pressing member 7. Next, as shown in FIG. 7B, the clamping part 21 is pressed in a state where the end part of the daylighting sheet 6 is sandwiched in the cut part 22. In this way, the first pressing member 7 sandwiches one set of opposing sides of the daylighting sheet 6.

  As shown in FIG. 7C, the first pressing member 7 sandwiching the opposite side of the daylighting sheet 6 is screwed to the inner surface 15 of the rising wall 12 of the inner frame 5 using the mounting holes 44 of the plate portion 19. Is done. At this time, the upper end 35 of the plate portion 19 of the first pressing member 7 is brought into contact with the convex portion 17 of the rising wall 12 so that the first pressing member 7 can be easily positioned. The plate portion 19 of the first pressing member 7 is formed slightly longer than the distance from the upper end surface 37 of the plate portion 13 to the lower end of the convex portion 17, and when the first pressing member 7 is screwed, The front end portion 36 of the sandwiching portion 21 is located slightly below the end portion upper surface 37 of the plate portion 13 extending inside the inner frame 5.

  Since the opposite side of the daylighting sheet 6 is attached in a state where the lower surface is pressed by the end upper surface 37 of the plate part 13, the daylighting sheet 6 can be stretched, and the plate part 13 of the inner frame 5 and the daylighting can be provided. It is possible to prevent a gap from occurring between the sheet 6 and the sheet 6. When the tip portion 36 of the plate portion 19 is pressed against the plate portion 13 and the first pressing member 7 is installed so as to be fitted between the convex portion 17 and the plate portion 13, the plate portion 13 is pressed downward. As a reaction force against the generated force is generated, the upper end surface 37 of the plate portion 13 can press the opposite side of the daylighting sheet 6 more strongly.

  After fixing one set of opposing sides of the daylighting sheet 6 to the inner frame 5, another set of opposing sides is fixed to the inner frame 5 using the second pressing member 8. In the state where only the opposite side is fixed, the daylighting sheet 6 may be bent in the direction of the opposite side of the other set, so that the daylighting sheet 6 is pulled in the direction of the opposite side of the other set. It is fixed to the inner frame 5 with the heel extended.

  For this purpose, as shown in FIG. 8A, the operator tilts the second pressing member 8 obliquely and presses the second pressing member 8 while pressing the arc-shaped corner portion 32 against the upper surface of the daylighting sheet 6. Move to the opposite side of another set. FIG. 8B shows a state in which the second pressing member 8 has been moved to the vicinity of another set of opposing sides. After moving the second pressing member 8 to the vicinity of the opposite side, the operator rotates the second pressing member 8 to an angle at which the second pressing member 8 is attached to the inner frame 5 with the corner portion 32 pressed against the daylighting sheet 6. Move. In the state where the daylighting sheet 6 is sandwiched between the lower end surface 38 of the plate portion 26 which is the lower end surface of the rising portion and the end surface upper surface 37 of the inner frame 5 plate portion 13 and the daylighting sheet 6 is pulled. 8 is screwed to the rising wall 12 of the inner frame 5. FIG. 8C shows a state in which the second pressing member 8 is screwed to the rising wall 12 of the inner frame 5. The daylighting sheet 6 is attached in such a manner that the daylighting sheet 6 is pulled in the direction of the four sides, so that wrinkles are prevented from appearing on the surface of the daylighting sheet 6.

  Since the rising wall 12 is provided with the convex portion 17, it is possible to easily position the second pressing member 8 by bringing the upper end 41 of the plate portion 25 of the second pressing member 8 into contact with the convex portion 17. it can. The daylighting sheet 6 is sandwiched between the uneven portion 33 formed on the outer surface 39 of the plate portion 25 of the second pressing member 8 and the uneven portion 16 of the inner frame 5 as shown in FIG. 8 is fixed by being sandwiched between the bottom surface 40 at the tip of the plate portion 26 and the top surface 37 at the end of the plate portion 13 of the inner frame 5. In addition, by making the front-end | tip position of the board part 26 and the front-end | tip position of the board part 13 of the inner frame 5 correspond, the shade of the board part 26 of the 2nd pressing member 8 is prevented from appearing in the peripheral part of the lighting sheet 6. It can be a clean design.

  An airtight material (not shown) is provided on the upper surface of the plate portion 13 of the inner frame 5, and the lighting sheet 6 is brought into contact with the airtight material without directly contacting the end surface 37 of the plate portion 13 to improve the airtightness. be able to. In particular, the lower surface 40 of the plate portion 26 of the second pressing member 8 is brought into contact with the airtight material without directly contacting the upper surface 37 of the end portion of the plate portion 13 to effectively improve the airtightness on the second pressing member 8 side. Can be made.

  A polycarbonate insect repellent panel 24 is installed on the inner frame 5 to which the daylighting sheet 6 is attached by the first pressing member 7 and the second pressing member 8. The peripheral portion of the insect repellent panel 24 is placed on the horizontal plate portion 20 of the first pressing member 7 and the horizontal plate portion 27 of the second pressing member 8. When the peripheral portion of the insect repellent panel 24 is placed on the plate portion 27 of the second pressing member 8, the insect repellent panel 24 is bent and the peripheral portion is fitted between the plate portion 27 and the plate portion 29. Note that the insect repellent panel 24 may be fixed to the plate portion 20 of the first pressing member 7 by screwing.

  The inner frame 5 on which the insect repellent panel 24 is placed is pivotally locked to the outer frame 4 by the engaging member 42. Three outer frames 4 to which the inner frame 5 is locked are screwed via a connecting member 18 to be connected. The three outer frames 4 connected to each other are screwed to the side surface of the opening 3.

  In the description of the present embodiment, the case where sunlight is taken into the room from the skylight 1 has been described. However, it is also possible to install a lighting fixture such as a fluorescent lamp above the ceiling inspection port 2 to take in the light of the lighting fixture into the room. it can. Further, the second pressing member 8 is inclined obliquely and the corners 32 are pressed against the upper surface of the daylighting sheet 6 to extend the ridges. However, the present invention is not limited to this, and the second pressing member 8 is inclined obliquely. Alternatively, the lower surface 38 of the plate portion 26 may be directly pressed against the daylighting sheet 6. In this case, it is possible to save the trouble of rotating the second pressing member 8 when it is attached to the rising wall 12 of the inner frame 5.

  As described above, the outer frame 4 attached to the opening 3 formed on the ceiling of the building, the inner frame 5 attached to the outer frame 4 so as to be openable and closable, and the daylighting sheet 6 for taking in light from above into the room. In the ceiling inspection port 2 provided with a fixing means for fixing inside 5, a pair of opposing side edges of the inner frame 5 formed in a rectangular frame shape is provided with a first pressing member 7 as a first fixing means. In a state where the daylighting sheet 6 is fixed, the second pressing member 8 as the second fixing means for fixing the daylighting sheet to the opposite side of another set includes a plate part 25 that is a rising part, and the plate part 25. Since the daylighting sheet 6 is sandwiched between the outer surface 39 and the lower surface 38 of the plate portion 26, which is the lower end surface, between the inner frame and the ceiling inspection port 2 to which the daylighting sheet 6 can be easily attached. Can do.

Furthermore, since the uneven | corrugated | grooved parts 33 and 16 which mutually mesh | engage are formed in the outer surface 39 and the inner frame 5 of the board part 25 which are standing | starting parts, the lighting sheet 6 can be clamped reliably.
Furthermore, since the corner portion 32 formed by the plate portion 25 that is the rising portion and the plate portion 26 that is the bottom portion is formed in an arc shape, when the corner portion 32 is pressed against the daylighting sheet 6, It can be prevented from being scratched.

  Further, since the inner frame 5 is provided with a convex portion 17 for positioning the first pressing member 7 or the second pressing member 8, the first pressing member 7 or the second pressing member 8 can be easily positioned. Can do.

DESCRIPTION OF SYMBOLS 1 Skylight 2 Ceiling inspection port 3 Opening part 4 Outer frame 5 Inner frame 6 Daylighting sheet 7 1st pressing member 8 2nd pressing member 9, 10, 11, 13, 14, 19, 20, 25, 26, 27, 28, 29, 45 Plate portion 12 Standing wall 15 Inner surface 16, 33 Concavity and convexity portion 17 Convex portion 18 Connecting member 21 Clamping portion 22 Cutting portion 23 Clamping piece 24 Insect repellent panel 30 Tubular portion 31 Rib 32 Corner portion 34 End portions 35, 41 Upper end 36 Front end 37 End upper surface 38, 40 Lower surface 39 Outer surface 42 Engaging member 43 Safety wire 44 Mounting hole

Claims (4)

An outer frame attached to an opening formed in the ceiling of the building;
An inner frame that can be opened and closed to the outer frame;
In the ceiling inspection opening provided with a fixing means for fixing a daylighting sheet for taking light from above into the room inside the inner frame,
A second fixing that fixes the daylighting sheet to the opposite side of another set in a state where the daylighting sheet is fixed to the opposite side of the set of inner frames formed in a rectangular frame by the first fixing means. The means includes a rising portion, and is configured to sandwich the daylighting sheet between the outer surface of the rising portion and the lower end surface of the rising portion between the inner frame and the ceiling inspection port. The ceiling inspection port according to claim 1, wherein the outer surface and the inner frame of the rising portion are formed with uneven portions that mesh with each other. The ceiling inspection port according to claim 1 or 2, wherein a corner portion formed by the rising portion and the lower end surface is formed in an arc shape. The ceiling inspection port according to any one of claims 1 to 3, wherein the inner frame is provided with a convex portion for positioning the first fixing means or the second fixing means.

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