JP2010053519A - Bay window structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a bay window structure which is provided when a building is in close vicinity thereto, and which enables daylighting from a lateral surface portion of a bay window to be efficiently taken into the building. <P>SOLUTION: The bay window 21 formed on the wall surface 20 of the building is formed of a rectangular front portion 23 which is protruded from the wall surface 20, a pair of rectangular lateral surface portions 24 which are provided in such a manner as to surround a gap between the front portion 23 and the wall surface 20, a top surface portion 25, and a bottom surface portion 26. An opaque plate material 23b is attached to the front portion 23 via a frame material 23a. A transparent plate material 24b is attached to one of the lateral surface portions 24 via a frame material 24a, and a reflection board 30 for daylighting is provided along the wall surface 20. The reflection board 30 is provided in such an inclined manner as to rise at an angle &alpha; from the wall surface 20 toward the lateral surface portion 24. A planar light reflection board 33 is provided in the state of being fixed to the frame material 23a on the indoor side of the opaque plate material 23b. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a technology of a bay window structure provided in a building, and more particularly, to a bay window structure that improves daylighting and ventilation when a distance between adjacent buildings is narrow.

  Conventionally, in a bay window structure in a situation where the distance between adjacent buildings is narrow, the front part of the bay window is often used in a closed state in order to protect privacy. For this reason, there was a problem that lighting and ventilation were not sufficient. As a bay window structure for preventing this problem, the method of Patent Document 1 is known.

  According to Patent Document 1, as shown in FIG. 9, the bay window body 1 includes a left and right vertical frame 4 and a vertical frame 5, and an upper frame 6 and a lower frame that are coupled to the vertical frame 4 and the vertical frame 5, respectively. 7 and the upper frame 9 and the lower frame 10 coupled between the left and right vertical panels 5 and 5 are coupled by tapping holes, screws, or the like to be framed and fixed to the housing.

  On the front part of the bay window body 1, two sliding shojis 11 constituting a window that can be opened and closed are mounted in a frame formed by left and right vertices 5, 5, an upper frame 9, and a lower frame 10. . Guide rails 14 and 14 are attached to the outer sides of the vertical walls 5 and 5, and both ends of a shutter slat 41 that is wound around the winding drum 40 are mounted on the guide rail 14 so as to be movable up and down.

  A fitting window 8 made of a glass panel is attached to the side face of the bay window body 1 in the vertical frame 4, the vertical 5, the upper frame 6 and the lower frame 7. A shutter 13 that is opened and closed by an arm 38 is attached to the outside of the fitting window 8. In the shutter 13, a plurality of panels 13 d made of a steel plate or the like are assembled in a frame formed by a pair of vertical eaves 13 a, an upper eaves 13 b, and a lower eaves 13 c made of aluminum alloy.

For this reason, when the building is in close proximity, even if the shutter slat 41 on the front part is closed, it is possible to perform daylighting by opening the shutter 13 on the side part, and light can be taken without looking into the room. It can be carried out.
Japanese Patent Laid-Open No. 10-88917

  However, there is a problem that sufficient lighting cannot be obtained even when the shutter 13 is opened and lighting is performed from the side surface of the bay window body 1. Therefore, the present invention has been made in view of the problems of the prior art, and is a bay window structure provided when a building is close to the bay window that can efficiently obtain the amount of light collected from the side surface in the building. The purpose is to provide a structure.

  The invention of claim 1 is a bay window structure of a building, wherein the bay window includes a rectangular front portion protruding from a wall surface, a pair of side surface portions, a top surface portion, and a bottom surface portion surrounding the front surface portion and the wall surface. It is formed, The said side part is formed with a transparent board | plate material, It equips with the said building, It is characterized by the above-mentioned.

  A second aspect of the present invention is the bay window structure according to the first aspect, wherein the daylighting reflector is provided so as to rise from the building toward the side surface of the bay window.

  A third aspect of the present invention is the bay window structure according to the first or second aspect, wherein the front portion of the bay window is an opaque plate material and a light reflecting plate is provided on the back surface.

  A fourth aspect of the invention is the bay window structure according to the first or second aspect, wherein a front portion of the bay window is formed in a louver shape with an opaque plate material.

  A fifth aspect of the present invention is the bay window structure according to the third aspect, wherein the light reflecting plate is formed in a planar shape or an arc shape.

  A sixth aspect of the present invention is the bay window structure according to the third or fifth aspect, wherein the opaque plate material is metal siding.

  According to invention of Claim 1, it is a bay window structure of a building, Comprising: The said bay window is a rectangular-shaped front part which protrudes from a wall surface, a pair of side part which encloses between this front part and the said wall surface, a top part, and a bottom part And the side surface portion is formed of a transparent plate material and is provided with a daylighting reflector along the building. Therefore, light from the side surface of the bay window is reflected by the daylighting reflector plate and passes through the side plate transparent plate material. Then, the light is reflected by the light reflecting plate on the back surface of the opaque plate material. For this reason, even when the building is close, the lighting from the side surface can be efficiently guided into the building.

  According to the invention of claim 2, since the reflecting plate for lighting is provided to rise and incline from the building toward the side portion of the bay window, the reflected light reflected from the reflecting plate for lighting is efficiently reflected on the side surface of the bay window. Therefore, the effect of claim 1 can be further improved.

  According to invention of Claim 3, since the front part of the said bay window is an opaque board | plate, and a light reflection board is provided in a back surface, the reflected light reflected from the reflection board for lighting can be efficiently and reliably guided in a building by a light reflection board. Therefore, the effect of claim 1 is further improved.

  According to invention of Claim 4, since the said opaque board | plate material is formed in a louver shape, it can also light from the front part of the said bay window simultaneously with the reflected light from the side part reflected from the reflecting plate for lighting. The effect is further improved.

  According to invention of Claim 5, since the said light reflection board is formed in planar shape or circular arc shape, planar shape or circular arc shape is selected according to the environment around the said bay window, and the reflection plate for lighting of a side part is chosen. Since the reflected light reflected from the inside can be efficiently guided from the side surface of the bay window, the effect of claim 1 is further improved.

  According to the invention of claim 6, since the opaque plate material of the front portion of the bay window is formed by metal siding, quality can be improved because it can be selected according to the design and color of the building around the bay window. To do.

<Configuration of bay window structure>
Below, 1st embodiment of this invention is described based on FIGS. 1-4.

  As shown in FIGS. 1, 2, 3, and 4, a bay window 21 formed on a wall surface 20 of a building is installed over a window frame 22 a of an existing sliding window 22. The bay window 21 has a rectangular front portion 23 protruding from the wall surface 20, a pair of rectangular side surfaces 24, 24 c, a top surface portion 25, and a bottom surface portion 26 provided so as to surround a gap between the front surface portion 23 and the wall surface 20. Formed with. The top surface portion 25 is provided with a tub and drainer (not shown). An opaque plate member 23b is attached to the front portion 23 via a frame member 23a having a concave groove S disposed around it, and a transparent plate member 24b is attached to one side surface portion 24 via a frame member 24a disposed around. Mounted. The frame member 24a is formed integrally with the frame member 23a of the front portion 23 on the front portion 23 side. The top surface portion 25 is formed with a downward slope in a direction away from the wall surface 20 in order to provide a function of dredging and draining.

  One side surface portion 24 is provided with a daylighting reflector 30 along the wall surface 20 of the building. The daylighting reflector 30 is provided to be inclined so as to rise from the wall surface 20 at an angle α toward one side surface 24. The transparent plate member 24b and the daylighting reflector 30 are not provided on the other side surface 24c.

  The opaque plate member 23b of the front portion 23 is fitted and locked in the concave grooves S formed on the four circumferences of the frame member 23a, and a metal siding 31 is used as the opaque plate member 23b. The metal siding 31 has a rectangular shape that is elongated in the horizontal direction. A convex protrusion 31a is formed at the upper end and a concave groove 31b is formed at the lower end. The plurality of metal sidings 31 have the convex protrusion 31a and the concave groove 31b of the adjacent metal siding 31. Connected through.

A planar light reflecting plate 33 is fixed to the frame member 23a on the indoor side of the opaque plate member 23b. The daylighting reflecting plate 30 and the light reflecting plate 33 are formed of a white metal plate or a resin plate, and are surface-polished to the extent that they are not dazzled to increase the reflection efficiency as necessary. For the top surface portion 25, the bottom surface portion 26, the frame material 24a, and the frame material 23a, resin-coated aluminum material, resin-coated steel material, painted aluminum material, painted steel, anodized material, or the like is used. The opaque plate material 23b is made of a glass material or an acrylic material.
<Operation of bay window structure>

  The one side portion 24 is provided with a daylighting reflector 30 along the wall surface 20 of the building, and the daylighting reflector 30 is inclined to rise from the wall surface 20 at an angle α toward the one side portion 24. Provided. For this reason, even when the gap between adjacent buildings is narrow, the light P is reflected by the daylighting reflecting plate 30 and guided to the inside from the side surface portion 24, and is angled with respect to the vertical line of the light reflecting plate 33 by the light reflecting plate 33. Reflects in the θ direction. Finally, the light P is repeatedly reflected in the bay window 21 and guided to the Q direction inside the building.

For this reason, the front part 23 tends to be in a closed state with a curtain or the like in order to ensure privacy when the gap between adjacent buildings is narrow, or when there is a bay window 21 on the first floor. However, since natural light can be easily guided to the interior Q of the building, it is possible to improve the state of being dim in the room and to surely brighten it. For this reason, crime prevention and lighting are improved. Since it can be installed using the existing window frame 22a, the renovation cost can be reduced. Since the same effect as the double sash is obtained by the bay window 21, the heat insulation is improved and the dew condensation preventing effect of the inner window 22 is obtained.
<Second embodiment of the present invention>

  The bay window structure of the second embodiment of the present invention will be described with reference to FIG. 5, but the same components as those of the bay window structure shown in FIG. To do.

Since the light reflecting plate 34 is formed to bulge toward the building side with an arc 34a having the same horizontal cross section from the upper end portion to the lower end portion, the light reflecting plate 34 is reflected by the daylighting reflecting plate 30 provided on one side surface portion 24. The reflected light P can be reflected by the arc 34a. And since reflection angle (theta) 1 with respect to the perpendicular of circular arc-shaped 34a becomes smaller than angle (theta) in the case of the planar reflecting plate 30, it can guide | invade more efficiently in the Q direction inside a building. For this reason, since natural light can be easily guide | induced to the inside Q of a building, the state where the room is dim can be improved reliably.
<Third embodiment of the present invention>

  The bay window structure according to the second embodiment of the present invention will be described with reference to FIG. 6, but the same components as those of the bay window structure shown in FIG. To do.

  The horizontal cross-sectional shape of the light reflecting plate 34 is such that the first arc 34b swells from the other side surface 24c to the central portion H of the bay window 21 toward the inside Q of the building, and from the central portion H to the one side surface 24. And a second arc 34c that gently bulges outside the building. More specifically, as a whole, the first arc shape 34b and the second arc shape 34c are shapes protruding from the metal siding 31 that is the opaque plate member 23b toward the interior Q side.

The horizontal cross-sectional shape of the light reflecting plate 34 is formed by a first arc 34b that swells from the other side surface 24c to the center portion H of the bay window 21 toward the interior Q side of the building, and from the center portion H to one side surface 24. It is formed with a second arc 34c that swells gently outside the building. For this reason, when the light P is incident at a position deeper than the central portion H from the one side surface portion 24, the light P reflected by the daylighting reflector 30 provided on the one side surface portion 24 is a first arc 34b. When reflected, θ2 with respect to the perpendicular line of the first arc 34b becomes smaller than the angle θ of the planar lighting reflector 30 and can be efficiently guided in the Q direction inside the building. Thus, the lighting efficiency can be improved by combining the arc shapes according to the environment around the bay window. In some cases, it can be combined with a flat shape.
<Fourth embodiment of the present invention>

  The bay window structure of the fourth embodiment of the present invention will be described with reference to FIGS. 7 (a) and 7 (b). The same components as those of the bay window structure shown in FIG. Thus, duplicate explanations are omitted.

As shown in FIGS. 7A and 7B, the opaque plate member 35 is formed in an openable or fixed louver shape and does not include the light reflecting plate 33. Since the rectangular front portion 23 is formed in a vertically elongated strip shape 35a through a plurality of slits T, the light P1 passes through the slit T from the front portion 23 in addition to the light P incident from one side surface portion 24. Lighting efficiency is improved. Since the opaque plate 35 is louvered, ventilation is improved. A rainwater drain hole W is formed in the lower frame member 23a.
<Fifth embodiment of the present invention>

  The bay window structure of the fifth embodiment of the present invention will be described with reference to FIGS. 8 (a) and 8 (b). The same components as those of the bay window structure shown in FIG. Thus, duplicate explanations are omitted.

  As shown in FIGS. 8A and 8B, the opaque plate 36 is formed in an openable or fixed louver shape and does not include the light reflecting plate 33. The rectangular front portion 23 is formed in a strip shape 36a that is elongated in the horizontal direction so that light P1 can be collected from above through a plurality of slits T. For this reason, since the light P1 can be collected from above the front portion 23 through the slit T in addition to the light P incident from the one side surface portion 24, the daylighting efficiency is improved. Since the opaque plate 36 is louvered, ventilation is improved. A rainwater drain hole W is formed in the lower frame member 23a.

  The embodiment of the present invention has been described with reference to the drawings. However, the specific configuration is not limited to this embodiment, and design changes and the like within the scope of the present invention are included in the present invention. It is.

  For example, the bay window 21 formed on the wall surface of a building can be directly installed on a general wall surface without using the window frame 22a of the existing window. Particularly in a new construction, the bay window 21 can be set regardless of the window position of the neighbor house, so that the free design of the layout of the room and the window is improved. A transparent plate member 24b may be provided on the other side surface portion 24c. The transparent plate 24b and the daylighting reflector 30 may be provided simultaneously on the side surface portions 24, 24c. The horizontal cross-sectional shape of the light reflecting plate 34 may be formed by a first arc 34b that swells from the one side surface 24 to the center portion H toward the building interior Q side. If the arc shape is continuously changed in the horizontal cross section from the upper end portion to the lower end portion, the light reflection plate 34 can also change the light distribution to the interior Q of the building in the vertical direction.

FIG. 4 is a perspective view showing a state in which an opaque plate member 23b is attached to the front portion 23 of the bay window 21 and a transparent plate member 24b is attached to one side surface portion 24 and includes a daylighting reflector 30 in the first embodiment of the present invention. is there. It is AA sectional drawing of FIG. 1 in 1st embodiment of this invention. It is BB sectional drawing of FIG. 1 in 1st embodiment of this invention. FIG. 4 is a detailed view of “C” in FIG. 3 in the first embodiment of the present invention. Horizontal section of the bay window 21 showing a state in which the light P reflected by the daylighting reflector 30 provided on the one side surface 24 is reflected by the arc-shaped light reflector 34 in the second embodiment of the present invention. FIG. It is a horizontal sectional view of the bay window 21 which shows the state where the horizontal cross-sectional shape of the light reflection board 34 in 3rd embodiment of this invention is formed in the 1st circular arc shape 34b and the 2nd circular arc shape 34c. In the fourth embodiment of the present invention, (a) is a horizontal sectional view of the bay window 21 showing a state in which the opaque plate member 35 is formed in a louver shape in the vertical direction, and (b) is a CC view of FIG. 7 (a). It is sectional drawing. In the fifth embodiment of the present invention, (a) is a horizontal sectional view of the bay window 21 showing a state in which the opaque plate member 35 is formed in a louver shape in the horizontal direction, and (b) is a DD of FIG. 8 (a). It is sectional drawing. It is a perspective view which shows the state of the bay window in a prior art example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 20 Wall surface 21 Exit window 23 Front part 23a Frame material 23b Opaque board material 24 Side surface part 24a Frame material 24b Transparent board material 25 Top surface part 26 Bottom surface part 30 Light reflecting plate 33 Light reflecting plate

Claims (6)

A bay window structure of a building,
The bay window is formed of a rectangular front portion protruding from a wall surface, a pair of side surfaces surrounding the front surface and the wall surface, a top surface portion, and a bottom surface portion, and the side surface portions are formed of a transparent plate material in the building. A bay window structure comprising a daylighting reflector.   2. The bay window structure according to claim 1, wherein the daylighting reflector is provided so as to rise up and incline from the building toward a side surface of the bay window.   3. The bay window structure according to claim 1, wherein a front portion of the bay window is an opaque plate material and a light reflecting plate is provided on the back surface. 4.   The bay window structure according to claim 1 or 2, wherein a front portion of the bay window is formed of an opaque plate material in a louver shape.   The bay window structure according to claim 3, wherein the light reflecting plate is formed in a planar shape or an arc shape.   The bay window structure according to claim 3 or 5, wherein the opaque plate member is a metal siding.

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