JP2013151838A - Daylighting structure for wash room - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a daylighting structure for a wash room capable of improving daylighting performance even when arranged at a site where it is relatively hard to get sunlight.SOLUTION: A wash room 10 provided in a building 1 such as a dwelling house is arranged on a floor 1a below a top floor 1b. Above at least part of the wash room 10, an open ceiling area 20 is formed which is open ranging from the floor 1a where the wash room 10 is arranged, through the upper floor 1b to a skylight window 3 provided on a roof 2 of the building 1. Thus, sunlight entering from the skylight window can pass through the open ceiling area into the wash room.

Description

  The present invention relates to a daylighting structure for a washroom provided in a building such as a house.

  In a building such as a house, there are cases where the living room where the resident usually lives and the room of each person are arranged on the south side to improve the daylighting of the living room and each room. On the other hand, a washroom where a washstand and a washing machine are installed may be arranged on the north side of a building that is relatively difficult to catch sunlight (for example, see Patent Document 1). In addition, the washroom may be arranged in a lower layer of a building that tends to be behind a neighbor, such as the first floor of a two-story building or the first or second floor of a three-story building.

JP 2000-54656 A

  In order to improve the daylighting of the washroom, for example, if you place this washroom on the south side of the building or on the upper floor of a building that is not easily hidden behind a neighbor, It becomes difficult to secure the sex. For this reason, there is a demand for improving the daylighting property of the washroom even if the washroom is arranged in a place where it is relatively difficult to reach the sun, such as the north side of the building or the lower floor.

  An object of the present invention is to provide a daylighting structure for a washroom that can improve the daylighting property even if it is disposed in a place where it is relatively difficult to hit the sun.

The invention according to claim 1 is a lighting structure of a washroom 10 provided in a building 1 such as a house as shown in FIGS.
The washroom 10 is located on the floor 1a below the top floor 1b of the building 1,
The upper part of at least a part of the washroom 10 is blown from the floor 1a on which the washroom 10 is disposed to the skylight 3 provided on the roof 2 of the building 1 through the floor 1b above the floor 1a. It is characterized by being a blow-off section 20.

  According to invention of Claim 1, since the upper part of at least one part of the said washroom 10 arrange | positioned on the floor 1a below the uppermost floor 1b of the building 1 is made into the said blow-off part 20, the said roof Sunlight that is inserted from the skylight 3 provided in 2 can be inserted into the washroom 10 through the blow-off portion 20. Thereby, for example, even if the washroom 10 is arranged in a place where it is relatively difficult to hit, such as the north side of the building 1 or a lower floor, the daylighting can be reliably improved. Moreover, in order to improve the daylighting property of the washroom 10, for example, it is necessary to arrange the washroom 10 on the south side of the building 1 or on the upper floor 1b of the building 1 that is not easily hidden behind a neighbor. Since it disappears, the lighting of the room arrange | positioned in the south side of the building 1 or the upper floor 1b other than the said washroom 10 can be ensured.

The invention according to claim 2 is the daylighting structure of the washroom 10 according to claim 1, for example, as shown in FIGS.
The washroom 10 and the blow-off portion 20 are arranged along the inner surface 5 of the outer wall 4 of the building 1, and the roof 2 is provided on the outer wall 4.

According to invention of Claim 2, since the said washroom 10 and the blow-off part 20 are arrange | positioned along the inner surface 5 of the outer wall 4 of the building 1, these wash-room 10 and the blow-off part 20 are buildings. 1 is provided close to the inner peripheral edge.
And since the said washroom 10 and the blow-off part 20 can be formed using the said outer wall 4, compared with the case where the said wash-room 10 and the blow-off part 20 are arrange | positioned in the center side of the building 1 in planar view, for example, It is easy to form the washroom 10 and the blow-through portion 20. That is, since the inner wall which comprises the said washroom 10 and the blow-off part 20 can be reduced by the part which uses the said outer wall 4, it is excellent in terms of workability or cost.
Furthermore, since the said washroom 10 and the blow-off part 20 can be formed near the peripheral part inside the building 1, rooms (for example, rooms 1g, 1h, etc.) other than the said washroom 10 are easy to arrange | position.
Further, since the roof 2 is provided on the upper portion of the outer wall 4, when the roof 2 is an inclined roof inclined from the ridge toward the outer wall 4, for example, the vertical direction of the blow-off portion 20. Can be made shorter. That is, in the case where the roof 2 is a flat roof, or when the atrium 20 is formed in the center of the building 1 and the height from the washroom 10 to the roof 2 is high, the vertical direction of the atrium 20 is higher. Since the length can be shortened, the blow-by portion 20 is easily formed.
Moreover, since the vertical length of the blow-off portion 20 can be shortened, the sunlight taken from the skylight 3 can be easily inserted into the washroom 10, and the daylighting property of the washroom 10 is further improved. it can.
In addition, for example, when the roof of a building is an inclined roof that complies with legal height restrictions, the portion of the top floor of the building that is located directly below the roof tilt direction has a low ceiling height. , It may become dead space. However, the roof 2 is an inclined roof corresponding to legal height restrictions as described above, and a dead space is located in a portion of the uppermost floor 1b located immediately below the roof 2 in the inclination direction. In some cases, since the blow-off portion 20 is disposed along the inner side surface 5 of the outer wall 4, a dead space having a low ceiling height on the top floor 1b can be used. Therefore, the space on the top floor 1b of the building 1 can be effectively used.

The invention according to claim 3 is the daylighting structure of the washroom 10 according to claim 2, for example, as shown in FIGS.
The blow-off portion 20 is surrounded by a plurality of wall surfaces 21, 22, and 23 including the inner surface 5 of the outer wall 4, and is closed with respect to the floor 1 b above the floor 1 a where the washroom 10 is disposed. It is characterized by.

  According to invention of Claim 3, the said blow-off part 20 is enclosed by the several wall surface 21,22,23 including the inner surface 5 of the said outer wall 4, and the floor 1a in which the said washroom 10 was arrange | positioned. Since it is obstruct | occluded with respect to the upper floor 1b, it can increase the reflective surface of sunlight compared with the case where it opens with respect to the said upper floor 1b, for example. Thereby, sunlight taken in from the skylight 3 can be reliably and efficiently inserted into the washroom 10 while reflecting the plurality of wall surfaces 5, 21, 22, and 23. The washroom 10 Can be further improved.

Invention of Claim 4 is the lighting structure of the washroom 10 as described in any one of Claims 1-3, as shown, for example in FIGS.
A lower end portion of the blow-off portion 20 is an opening portion 25 that opens toward the washroom 10, and the louver 26 is disposed in the opening portion 25 so as to be substantially flush with the ceiling 15 of the washroom 10. Is provided.

  According to the invention of claim 4, while blocking a part of the line of sight from the inside of the washroom 10 to the blow-through portion 20 by the louver 26 that is substantially flush with the ceiling 15 of the washroom 10, The ceiling 15 of the washroom 10 can be made flat, and the sunlight taken from the skylight 3 can be reliably inserted into the washroom 10. Thereby, the daylighting property of the washroom 10 can be improved while improving the appearance of the ceiling 15 of the washroom 10, so that the washroom 10 can be used comfortably.

Invention of Claim 5 is the lighting structure of the washroom 10 as described in any one of Claims 1-4, as shown, for example in FIGS.
The washroom 10 includes a washstand 17 where a washstand 17a is installed, and a washing machine 18 where a washing machine 18a is installed,
The washstand 17 and the washing machine 18 are arranged below the blow-off portion 20.

  According to invention of Claim 5, since the said washstand 17 and the said washing machine place 18 are arrange | positioned under the said blow-off part 20, especially the said washstand 17a and the said washing machine 18a are used. In doing so, it is possible to strongly feel the brightness of sunlight taken in from the skylight 3.

  According to the present invention, since the upper part of at least a part of the washroom disposed on the floor below the top floor of the building is a blow-off part, the sunlight inserted from the skylight provided on the roof of the building, It can be inserted into the bathroom through the atrium. Thereby, for example, even if the washroom is arranged at a place where it is relatively difficult to get a sun, such as the north side of the building or the lower floor, the daylighting can be reliably improved. Moreover, in order to improve the daylighting of the washroom, for example, it is not necessary to arrange this washroom on the south side of the building or on the upper floor of a building that is difficult to be hidden behind a neighbor. It is possible to secure daylighting for rooms located on the south side of the building and on the upper floors.

It is a north side elevation view which shows the building where the daylighting structure of the washroom which concerns on this invention is applied. It is a plane sectional view showing the second floor of the building. It is a plane sectional view showing the third floor of the building. It is sectional drawing which shows the inner side of the north side of a washroom, and the lower end part of a blow-off part. It is sectional drawing which shows the internal appearance of the east side of a washroom, and the lower end part of an atrium part. It is an enlarged view of the lower end part of the blow-off part shown in FIG. It is an enlarged view of the lower end part of the blow-off part shown in FIG.

Embodiments of the present invention will be described below with reference to the drawings.
In FIG. 1, reference numeral 1 denotes a building. This building 1 is a three-story house consisting of a first floor, a second floor 1a, and a third floor 1b, and a roof 2 is provided on the upper part. In the present embodiment, the roof 2 is an inclined roof corresponding to legal height restrictions, and in particular, a gable roof having roof surfaces inclined on both sides of the ridge 2a.
The periphery of the building 1 is constituted by an outer wall 4, and the roof 2 is provided on the upper part of the outer wall 4.

A plurality of rooms are provided on each floor of the building 1, and these floors are connected by a staircase 1c and a spiral staircase 1d.
On the first floor, as shown in FIG. 1, an entrance 1e, a room 1f, and the like are provided.
On the south side of the second floor 1a, as shown in FIG. 2, the spiral staircase 1d is installed, and a room 1g in which the functions of a living room, a dining room, and a kitchen room coexist is arranged.
Further, on the north side of the second floor 1a, a toilet 7 and a corridor 9 are disposed adjacent to the staircase 1c. Further, a washroom 10 is disposed adjacent to the toilet 7 and the corridor 9. Further, a bathroom 8 is disposed adjacent to the washroom 10. The staircase 1c, the toilet 7 and the corridor 9, the washroom 10, and the bathroom 8 are in a state of being parallel in the east-west direction.
The third floor 1b includes the staircase 1c, a corridor, a balcony located on the north side of the corridor and used as an emergency entrance, a room located at the upper end of the spiral staircase 1d, A room 1h arranged on the west side is provided.

The said washroom 10 is arrange | positioned on the 2nd floor 1a below the 3rd floor 1b which is the top floor of the building 1, as shown in FIGS.
The upper part of at least a part of the washroom 10 passes through the third floor 1b above the second floor 1a from the second floor 1a on which the washroom 10 is arranged, and the skylight provided on the roof 2 of the building 1 The blow-through portion 20 is blown up to 3.
That is, sunlight taken in from the skylight 3 can be inserted into the washroom 10 through the blow-off portion 20.
As shown in FIG. 1, a plurality of the skylights 3 are provided on the roof 2, but the skylights 3 indicate only those located directly above the washroom 10 and the blow-off portion 20.
In Japan, the sun rises from the east and moves in a trajectory that passes through the south sky and sinks west, so sunlight falls from the south as direct sunlight. As light, there is not only such direct sunlight, but also sky light that reaches the ground from all directions in the sky. Therefore, a large amount of skylight is inserted toward the washroom 10 from the skylight 3 immediately above the washroom 10 arranged on the north side of the second floor 1a.

As shown in FIGS. 2 to 7, the washroom 10 and the blow-off portion 20 are disposed along the inner side surface 5 of the outer wall 4 on which the roof 2 is provided. That is, the washroom 10 and the blow-off portion 20 are provided close to the peripheral edge inside the building 1.
Moreover, these washroom 10 and the blow-off part 20 are arrange | positioned especially along the inner surface 5 of the outer wall 4 of the north side. That is, the washroom 10 and the blow-off portion 20 are arranged not on the south side of the building 1 but on the peripheral side on the north side inside the building 1, not on the center side of the building 1 in a plan view.
And since the said washroom 10 and the blow-off part 20 can be formed using the said outer wall 4 in this way, for example compared with the case where the said wash-room 10 and the blow-off part 20 are arrange | positioned in the center side of the building 1 in planar view. And it is easy to form these washroom 10 and the blow-off part 20. FIG. That is, since the inner wall which comprises the said washroom 10 and the blow-off part 20 can be reduced by the part which uses the said outer wall 4, it is excellent in terms of workability or cost.
Furthermore, since the said washroom 10 and the blow-off part 20 can be formed close to the peripheral part inside the building 1, it is easy to arrange | position room 1g etc. other than the said washroom 10. FIG.
Further, since the roof 2 is an inclined roof corresponding to a legal height restriction, the roof 2 is a portion located directly below the roof 2 on the lower side in the inclination direction of the top floor 1b and near the wall of the outer wall 4. However, since the blow-off portion 20 is disposed along the inner side surface 5 of the outer wall 4, the dead space having a low ceiling height on the top floor 1b can be used. Become. Therefore, the space on the top floor 1b of the building 1 can be effectively used.

In addition, since the roof 2 is provided on the outer wall 4 as described above, when the roof 2 is an inclined roof such as a gable roof as in the present embodiment, The length of the blow-off portion 20 in the vertical direction can be further shortened. That is, compared to the case where the roof 2 is a flat roof, or the case where the atrium 20 is formed on the center side of the building 1 in a plan view and the height from the washroom 10 to the roof 2 is high, the atrium. Since the vertical length of 20 can be shortened, it is easy to form the blow-off portion 20.
Moreover, since the vertical length of the blow-off portion 20 can be shortened, the sunlight taken from the skylight 3 can be easily inserted into the washroom 10, and the daylighting property of the washroom 10 is further improved. it can.

Next, details of the washroom 10 will be described.
The washroom 10 is surrounded by a plurality of wall surfaces 12, 13, 14 including the inner surface 5 of the outer wall 4. That is, the washroom 10 is configured as one room region by being surrounded by the plurality of wall surfaces 5, 12, 13, and 14.

Of the plurality of wall surfaces 5, 12, 13, and 14 constituting the washroom 10, an opening is formed in the wall 12 facing the inner surface 5 of the outer wall 4, and the inside of the opening (the room) On the 1g side), as shown in FIGS. 2 and 5, a storage portion 12a is provided.
The wall surface 13 is provided with an entrance 13 a for going back and forth between the washroom 10 and the corridor 9. That is, the entrance / exit 13a is configured by an opening that opens toward the corridor 9 and a fitting attached to the opening.
The wall surface 14 is provided with an entrance 14 a for going back and forth between the washroom 10 and the bathroom 8. That is, this entrance / exit 14a is comprised by the opening part opened toward the said bathroom 8, and the fittings attached to this opening part.

The washroom 10 includes a washstand 17 where a washstand 17a is installed and a washing machine 18 where a washing machine 18a is installed.
Further, the height between the floor 11 and the ceiling 15 of the washroom 10 is slightly higher between the washstand 17 and the washing machine 18 as shown in FIGS. A partition wall 16 is set.

The partition wall 16 is arranged so as to protrude from the inner side surface 5 of the outer wall 4 to the center side of the washroom 10 in a plan view, for example, like a sleeve wall.
Moreover, the edge part of the washroom 10 center side among the upper end parts of the said partition wall 16 is the position of the lower surface of the ceiling 15 of the said washroom 10, and the lower end part of the wall surface 21 (it mentions later) which comprises the said blow-off part 20. The cutout portion 16a is formed in accordance with the position of. Accordingly, a part of the end portion on the outer wall 4 side of the ceiling 15 and a part of the lower end portion of the face material constituting the wall surface 21 described later are placed on and supported by the upper surface of the notch portion 16a of the partition wall 16. It is in the state.

  Moreover, the part except the said notch part 16a among the upper end parts of the said partition wall 16 is provided in the position slightly higher than the said ceiling 15, and is in the state which entered into the area | region of the said blow-off part 20. FIG. As shown in FIGS. 4 to 7, a parting frame member 16 b that covers both ends of the upper end is attached to the upper end of the partition wall 16. As a result, the appearance of the upper end of the partition wall 16 can be improved.

As shown in FIGS. 2, 4, and 5, the washstand 17 is located between the partition wall 16 and the wall surface 13, and indicates an area for installing the washstand 17 a.
As the washstand 17a, a conventionally well-known one provided with a wash bowl, a counter, a storage shelf with a mirror, and the like is employed.

As shown in FIGS. 2, 4 and 5, the washing machine place 18 is located between the partition wall 16 and the wall surface 14, and indicates an area for installing the washing machine 18a.
In addition, although not shown, the washing machine storage 18 is provided with a drainage facility for flowing the drainage of the washing machine 18a.

Further, it is assumed that the washstand 17 and the washing machine 18 are disposed below the blow-off portion 20. More specifically, since a part of the lower end portion of the wall surface 21 to be described later is placed on the upper surface of the notch 16a of the partition wall 16, it is located above the areas of the washstand 17 and the washing machine 18. Only the blow-off portion 20 is provided.
And since the said washstand 17 and the said washing machine place 18 are arrange | positioned under the said blow-off part 20 in this way, especially when using the said washstand 17a and the said washing machine 18a, the said skylight You can feel the brightness of sunlight taken in from 3.

Further, as shown in FIGS. 1, 2 and 4, the outer wall 4 is provided with a window 6 arranged facing the washing machine storage 18. In addition, since it can also light from this window 6, the lighting efficiency of the said washroom 10 can be improved.
Further, the outer wall 4 is also provided with a window 7 a disposed facing the toilet 7 and a window 8 a disposed facing the bathroom 8.

Next, the detail of the said blow-by part 20 is demonstrated.
The blow-off portion 20 is surrounded by a plurality of wall surfaces 21, 22 and 23 including the inner surface 5 of the outer wall 4. That is, the blow-by portion 20 is configured in a rectangular tube shape by the plurality of wall surfaces 5, 21, 22, and 23.
Moreover, the lower end part of this blow-off part 20 becomes the opening part 25 opened toward the said washroom 10, and the said skylight 3 is provided in the upper end part.

Furthermore, the said blow-off part 20 is obstruct | occluded with respect to the floor 1b above the floor 1a in which the said washroom 10 is arrange | positioned. That is, for example, an opening or the like is not formed in the plurality of wall surfaces 5, 21, 22, and 23 constituting the blow-off portion 20, so that the blow-off portion 20 is not opened to the room on the third floor 1 b or the like. It is configured.
And since the said blow-off part 20 is obstruct | occluded with respect to the floor 1b above the floor 1a in which the said washroom 10 is arrange | positioned in this way, this blow-off part 20 is with respect to the said 3rd floor 1b, for example Compared with the case where it opens, the reflective surface of sunlight can be increased. Thereby, the sunlight taken in from the skylight 3 can be reliably and efficiently inserted into the washroom 10 while reflecting the plurality of wall surfaces 5, 21, 22, and 23.

Of the plurality of wall surfaces 5, 21, 22, and 23 that form the blow-through portion 20, the wall surface 21 that faces the inner surface 5 of the outer wall 4 is the outer surface of the wall that forms the room 1 h of the third floor 1 b. It is located in. Therefore, the blow-through portion 20 can be formed using the walls constituting the room 1h. That is, although the blow-off portion 20 is disposed adjacent to the north side of the room 1h, the blow-off portion 20 and the room 1h are separated from each other by the wall.
Furthermore, the lower end portion of the face material constituting the wall surface 21 is placed on the upper surface of the notch portion 16a of the partition wall 16 as described above.
The wall surface 22 is disposed on the toilet 7 side, and is provided between a side end portion of the inner side surface 5 and a side end portion of the wall surface 21.
The wall surface 23 is disposed on the bathroom 8 side, and is provided between the side end portion of the inner side surface 5 and the side end portion of the wall surface 21.
The plurality of wall surfaces 5, 21, 22, and 23 may be provided with a reflecting means such as a white or silver decorative sheet, a coating material, or a mirror that easily reflects light.

As shown in FIGS. 4 to 7, the face material constituting the plurality of wall surfaces 21, 22, 23 is a face material of the ceiling 15 by a plurality of binders 15 a arranged on the back of the ceiling of the washroom 10. Combined with.
In addition, although not shown in figure, this binding material 15a shall be firmly fixed with respect to the structural material around the said toilet 10.
Further, a ventilation device 15b is installed behind the ceiling 15. However, since the ceiling 15 itself is also supported by the bonding material 15a, the ventilation device 15b can be reliably supported. .

A lighting fixture 24 is attached to one of the plurality of wall surfaces 5, 21, 22, 23 surrounding the blow-through portion 20. In the present embodiment, as shown in FIGS. 5 and 6, the lighting fixture 24 is attached to the wall surface 21, hardly enters the field of view, and can function as indirect lighting. .
Moreover, this lighting fixture 24 is formed in a long shape along the width dimension of the wall surface 21, and is provided over the wash basin place 17 and the washing machine place 18.
If the lighting fixture 24 is attached in this manner, the inside of the washroom 10 can be brightened as necessary, for example, on a bad day or at night, which is preferable.
Note that the lighting fixture 24 is connected to a power source (not shown) and is supplied with power.

Further, as shown in FIGS. 4 to 7, a louver 26 is provided in the opening 25 at the lower end of the blow-through portion 20 so as to be substantially flush with the ceiling 15 of the washroom 10. The louver 26 is formed by assembling a plurality of slats vertically and horizontally in a lattice shape, and is formed with a large number of holes through which light and air pass.
As described above, since the portion excluding the notch 16a at the upper end of the partition wall 16 is provided at a position slightly higher than the ceiling 15, the opening 25 is shown in FIGS. As shown, the upper end of the partition wall 16 is in a state of being partitioned into the wash basin storage 17 side and the washing machine storage 18 side.
Therefore, the louvers 26 are also provided on the side of the washstand 17 and the side of the washing machine 18 of the opening 25, respectively.

Further, as shown in FIGS. 6 and 7, the louver 26 is supported by a side surface of the upper end portion of the partition wall 16 and a plurality of support members 27 attached to the plurality of wall surfaces 5, 21, 22, and 23. Has been.
The support member 27 has a substantially L-shaped cross section and is configured to have the same cross section in the length direction of the support member 27. That is, it is formed like an angle material formed in a so-called L-shaped cross section.

And according to such a louver 26, the ceiling 15 of the washroom 10 can be made flat while shielding a part of the line of sight from the washroom 10 to the blow-off portion 20, and further, The sunlight taken from the skylight 3 can be reliably inserted into the washroom 10. Since the lighting fixture 24 is attached to the wall surface 21, the lighting fixture 24 can be shielded by the louver 26.
Thereby, the daylighting property of the washroom 10 can be improved while improving the appearance of the ceiling 15 of the washroom 10, so that the washroom 10 can be used comfortably.
In addition, although not shown, when the building 1 of the present embodiment is a unit type building constructed by combining a plurality of box-shaped building units arranged side by side, For example, a part of a building unit such as a horizontal bracing (horizontal brace) may be exposed. However, since the louver 26 is provided in the opening 25, the louver 26 is used to construct one of the building units such as the horizontal bracing. The part can be shielded.

  In addition, the various windows including the skylight 3 and the window 6 are set to be openable and closable in the present embodiment, and not only lighting but also ventilation can be appropriately performed. However, the present invention is not limited to this. For example, the skylight 3 may be fitted and killed due to rain or the like, and can be changed as appropriate.

  According to the present embodiment, since at least a part of the washroom 10 disposed on the floor 1a below the uppermost floor 1b of the building 1 is the blow-off portion 20, it is provided on the roof 2. Sunlight inserted through the skylight 3 can be inserted into the washroom 10 through the blow-off portion 20. Thereby, for example, even if the washroom 10 is arranged in a place where it is relatively difficult to hit, such as the north side of the building 1 or a lower floor, the daylighting can be reliably improved. Moreover, in order to improve the daylighting property of the washroom 10, for example, it is necessary to arrange the washroom 10 on the south side of the building 1 or on the upper floor 1b of the building 1 that is not easily hidden behind a neighbor. Since it disappears, the lighting of the room arrange | positioned in the south side of the building 1 or the upper floor 1b other than the said washroom 10 can be ensured.

1 Building 1a Lower floor (second floor)
1b Upper floor (third floor)
2 roof 3 skylight 4 outer wall 5 inner surface 10 washroom 20 blow-off part 21 wall surface 22 wall surface 23 wall surface

Claims (5)

In the daylighting structure of a washroom provided in a building such as a house,
The washroom is located on the floor below the top floor of the building,
The upper part of at least a part of the washroom is a blow-off section that passes from the floor where the washroom is arranged to the floor above this floor to the skylight provided on the roof of the building. The daylighting structure of the washroom. In the daylighting structure of the toilet according to claim 1,
The daylighting structure of a toilet, wherein the washroom and the blow-off portion are arranged along an inner surface of an outer wall of a building, and the roof is provided on an upper portion of the outer wall. In the daylighting structure of the toilet according to claim 2,
The air vent is surrounded by a plurality of wall surfaces including the inner side surface of the outer wall, and is closed with respect to a floor above the floor on which the toilet is disposed. Construction. In the lighting structure of the washroom as described in any one of Claims 1-3,
The lower end of the blow-off portion is an opening that opens toward the washroom, and a louver is provided in the opening so as to be substantially flush with the ceiling of the washroom. The daylighting structure of the washroom. In the daylighting structure of the washroom as described in any one of Claims 1-4,
The washroom includes a washstand where a washbasin is installed and a washing machine where a washing machine is installed,
The daylighting structure for a washroom, wherein the washstand storage place and the washing machine storage place are disposed below the blow-off portion.

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