JP5321997B2 - Indoor ventilation structure - Google Patents

Description

  The present invention relates to an indoor ventilation structure mainly employed in a house.

  In order to ensure a comfortable and safe living environment, various characteristics such as durability, earthquake resistance, fire resistance, daylighting, and ventilation are required for housing, but ventilation is comfortable in Japan where humidity is high. It has a great effect on sex.

  Here, in order to ensure ventilation, a large number of indoor ventilation structures have been used in the past, where a ventilated space is provided in the house. In such a house, the flow of air between the upper floor and the lower floor through the atrium space. Since it is formed, it becomes a house excellent in natural ventilation and can enhance the comfort of living.

JP-A-5-98870 JP 2006-265987 A

  However, in a relatively small house, there is a limit to the size of the atrium space that must be secured due to the space required for living, and as a result, sufficient ventilation in the building can be secured. Inability to do so resulted in a problem that the comfort of the house was reduced.

  An object of the present invention is to provide an indoor ventilation structure that can sufficiently obtain ventilation in a building while securing a space necessary for living even in a relatively small house.

In order to achieve the above object, an indoor ventilation structure according to the present invention comprises a bay window wall that is formed with an upper floor window opening and a lower floor window opening and that projects outwardly as described in claim 1. The upper floor window opening is located on the upper floor, the lower floor window opening is located on the lower floor, and a horizontal opening is formed between the upper floor and the floor separating the lower floor. The upper floor space and the lower floor space are communicated through the horizontal opening by being disposed relative to the floor body, and an upper floor bay window counter top plate is provided in the vicinity of the lower edge of the upper floor window opening. is there.
In the indoor ventilation structure according to the present invention, a fitting having a ventilation adjustment function is attached to a vertical opening formed between an indoor side edge of the upper floor bay window counter top and the floor body. .

  In the indoor ventilation structure according to the present invention, a bay window support member is horizontally projected from a horizontal horizontal member arranged between the upper floor and the lower floor, and the bay window wall body is supported by the bay window support member. It is configured.

  Further, the indoor ventilation structure according to the present invention includes an upper floor portion in which an upper floor window opening is formed, a lower floor portion in which a lower floor window opening is formed, and an intermediate portion disposed between them. The horizontal protrusion length of the part is aligned.

  In the indoor ventilation structure according to the present invention, the bay window wall for forming the bay window is arranged such that the upper floor window opening and the lower floor window opening formed in the bay window body are located on the upper floor and the lower floor, respectively. And relative to the floor so that a horizontal opening is formed between the floor and the floor.

  If it does in this way, the flow path of the air which flows from the upper floor to the lower floor or the lower floor to the upper floor through the horizontal opening mentioned above is formed, and it becomes possible to naturally ventilate the inside of a building.

  The bay window body has an outwardly projecting shape such as a U-shape, an arc shape, and a curved shape, and creates an indoor bay window space on the inside thereof. The horizontal sectional shape is substantially the same as a known bay window wall body. Although the conventional bay window wall is independent on the upper and lower floors, the bay window wall according to the present invention has an upper floor portion in which an upper floor window opening is formed and a lower floor window opening. The lower floor part and the intermediate part arrange | positioned among them are integrally formed.

  The bay window wall can be configured to be retrofitted to the building frame, but is not necessarily limited to such a unit type. For example, a pair of bay window supports are projected horizontally from a pillar. A structure in which a bay window base is bridged over the receiving tree, a pair of bay window pillars are erected on the bay window base, a bay window girder is bridged on the top of the bay window pillar, and a face material is driven on the outdoor side thereof. it can.

  Here, if the bay window support member is projected horizontally from a horizontal horizontal member such as a trunk difference disposed between the upper floor and the lower floor, and the bay window body is supported by the bay window support member, the bay window A wall body can be easily installed.

  Of the bay window walls, the upper floor portion where the upper floor window opening is formed, the lower floor portion where the lower floor window opening is formed, and the intermediate portion disposed between them are as long as the horizontal opening described above is formed. How to configure is arbitrary, and a step may be formed as appropriate. However, if the horizontal protrusion lengths of the upper, middle and lower floor portions are aligned, the construction is facilitated. Not only that, the bay window wall is flush from the top to the bottom, and the structure can be made excellent in design.

Here, when a fitting having a ventilation adjustment function is attached to the vertical opening formed between the indoor side edge of the countertop for the upper floor bay window and the floor body, the ventilation amount is adjusted by the ventilation adjustment function of the fitting. can do.

  Embodiments of an indoor ventilation structure according to the present invention will be described below with reference to the accompanying drawings. Note that components that are substantially the same as those of the prior art are assigned the same reference numerals, and descriptions thereof are omitted.

  1 to 3 are views showing an indoor ventilation structure according to the present embodiment. As shown in these drawings, the indoor ventilation structure 1 according to the present embodiment has a wooden frame assembly so that the bay window wall 2 having a U-shaped horizontal section as a whole protrudes on the outdoor side as in the conventional case. Although attached to the house, the bay window wall 2 is integrated on the second floor and the first floor, unlike the conventional bay windows that are individually provided on the second floor that is the upper floor and the first floor that is the lower floor.

  That is, the bay window wall 2 spans the bay window girder 12 at a height in the vicinity of the eaves girder and the bay window girder 14 at a height in the vicinity of the trunk difference, which is a horizontal horizontal member, to the pair of bay window columns 15 and 15, respectively. In addition, as the bay window support members 11, 11 projecting horizontally from the pillars 8, 8, which are the second-tier tube pillars erected on the trunk difference 10, and the bay window supporting members projecting horizontally from the trunk difference 10 The bay window supports 13 and 13 are joined to the bay window columns 15 and 15 at a height near the eaves girder lower part and a height near the trunk difference, respectively, and the outer wall material 9 is attached to the outside as a framework, and the interior material is attached to the inside. By attaching (not shown), the whole is formed in a U-shaped horizontal cross section, and the bay window columns 15 and 15 are erected on the bay window base 17b laid on the RC foundation 16b.

  Here, the exterior material 9 of the bay window body 2 has a second-floor window opening 3 formed as an upper-floor window opening and a first-floor window opening 5 formed as a lower-floor window opening. Of these, the upper region including the second-floor window opening 3 is the upper floor portion 4, the lower region including the first-floor window opening 5 is the lower floor portion 6, and the middle region located therebetween is the intermediate portion 7.

  The bay window body 2 has a horizontal opening 22 between a second floor window opening 3 on the second floor, a first floor window opening 5 on the first floor, and a floor plate 21 as a floor body separating the second floor and the first floor. The second floor space 23 and the first floor space 24 can be communicated with each other via the horizontal opening 22.

  The intermediate portion 7 corresponding to the height position of the floor plate 21 that divides the second-floor space 23 and the first-floor space 24 is aligned with the horizontal protruding lengths and dimensions of the upper floor portion 4 and the lower floor portion 6. It becomes the same from top to bottom.

  Here, the vertical opening formed between the indoor side edge of the upper floor bay window counter top plate 32 provided near the lower edge of the second floor window opening 3 and the floor board 21 has a ventilation adjustment function. 31 is attached.

  For the fitting 31, for example, a Kendon-type ventilator can be used in a Japanese-style room, and a Kendon-type slide vertical lattice can be used in a Western-style room.

  In the indoor ventilation structure 1 according to the present embodiment, the bay window wall 2 for forming the bay window, the second floor window opening 3 and the first floor window opening 5 formed in the bay window wall are respectively located on the second floor and the first floor. It is disposed relative to the floor plate 21 so as to be positioned and a horizontal opening 22 is formed between the floor plate 21 and the floor plate 21.

  In this way, a flow path for air flowing from the second floor space 23 to the first floor space 24 or from the first floor space 24 to the second floor space 23 is formed through the horizontal opening 22 described above.

  Here, when the heating facility is installed in the lower space of the lower floor bay window counter top plate 33 provided on the first floor bay window, the first floor warm air flows into the second floor space 23 through the horizontal opening 22. The air conditioning load of the entire building can be reduced.

  In order to adjust the air flow, the ventilation adjustment function of the fitting 31 may be appropriately operated.

  As described above, according to the indoor ventilation structure 1 according to the present embodiment, the bay window wall 2 includes the second floor window opening 3 and the first floor window opening 5 formed in the bay window wall on the second floor and the first floor. Since they are disposed relative to the floor plate 21 so as to be positioned and to form a horizontal opening 22 between the floor plate 21 and the floor plate 21, the second floor space 23 to the first floor space 24, or one floor via the horizontal opening 22. A flow path of air flowing from the floor space 24 to the second floor space 23 is formed, and thus natural ventilation can be performed in the building.

  Moreover, according to the indoor ventilation structure 1 which concerns on this embodiment, since the horizontal protrusion length of the intermediate part 7, the upper floor part 4, and the lower floor part 6 was arrange | equalized, there is no level | step difference in them, and the bay window wall body 2 becomes From the top to the bottom, it becomes flush and not only the construction is easy, but also a configuration with excellent design.

  Moreover, according to the indoor ventilation structure 1 which concerns on this embodiment, it forms between the indoor side edge part of the counter top plate 32 for upper floor bay windows provided in the lower edge part vicinity of the 2nd floor window opening 3, and the floor board 21. FIG. Since the fitting 31 having the ventilation adjustment function is attached to the vertical opening, the ventilation amount can be appropriately adjusted by the ventilation adjustment function of the fitting.

  In the present embodiment, the fitting 31 having the ventilation adjustment function is disposed in the vertical opening formed between the indoor side edge of the upper floor bay window counter top plate 32 and the floor plate 21, but the fitting 31 is not necessarily provided. There is no need to provide it, and it may be omitted in some cases.

  Further, instead of the fitting 31, a grating panel may be fitted into the horizontal opening 22, or an opening / closing damper may be incorporated into the grating panel.

The perspective view of the indoor ventilation structure which concerns on this embodiment. The vertical sectional view of the indoor ventilation structure concerning this embodiment. It is a figure of the indoor ventilation structure concerning this embodiment, (a) is a horizontal sectional view which follows an AA line, (b) is a horizontal sectional view which follows a BB line.

Explanation of symbols

1 Indoor ventilation structure 2 Bay window wall 3 Second floor window opening (upper window opening)
4 Upper floor 5 First floor window opening (lower floor window opening)
6 lower floor
7 middle part 8 pillar 10 trunk difference (horizontal horizontal member)
11 bay window support 12 bay window beam 13 bay window support (bay window support member)
14 bay window girder 15 bay window column 21 floor board (floor body)
22 Horizontal opening 23 Second floor space (upper floor space)
24 1st floor space (lower floor space)
31 Joinery with ventilation adjustment function
32 upper floor countertop

Claims (4)

The upper floor window opening and the lower floor window opening are formed and the bay window wall projecting outward is formed such that the upper floor window opening is located on the upper floor and the lower floor window opening is located on the lower floor. In addition, the upper floor space and the lower floor space are formed through the horizontal opening by disposing them relative to the floor body so that a horizontal opening is formed between the upper floor and the floor body that divides the lower floor. An indoor ventilation structure characterized in that an upper floor bay window counter top plate is provided in the vicinity of a lower edge of the upper floor window opening . Indoor ventilation structure according to claim 1, wherein the mounting of the fittings with a ventilation control function formed vertical opening between the interior side edge and the floor of the upper story bay window counter top plate. Horizontally projecting a bay window support member from a horizontal horizontal member disposed between the upper floor and the lower floor, according to claim 1 or claim 2, wherein configured to support the bay window wall in said output window support member Indoor ventilation structure. Among the bay window wall, claim upper Kaimado opening upstairs portion formed, aligned horizontal projection length of the lower floor portion beneath Kaimado opening formed and the intermediate portion disposed therebetween 1 Or the indoor ventilation structure of Claim 2 .

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