JP4392014B2 - Spatial structure of the building - Google Patents

Description

  The present invention relates to a space structure of a building that can effectively use the internal space of the building.

  Conventionally, a one-storied building 1 provided with a storage cabinet 2 as shown in FIG. 30 is known (see, for example, Patent Document 1).

  In such a one-storied building 1, a living room 5 is continuously provided in the first layer 4 with the entrance 3, and the floor 5 a of the living room 5 is raised by a staircase 6 in the living room. A second layer 7 is provided.

  The second layer 7 is provided with a living room 8 and is further moved up and down from the stairs 11 to the third layer 9 located above the second layer 7 and on the entrance 3. A possible living room 10 is provided.

  A storage chamber 2 that constitutes the large storage compartment is provided under the floor 8a of the living room 8 of the second layer 7.

  The entrance / exit 12 of the storage chamber 2 is provided facing the living room 5 on the first layer, and the height of the floor 2a is flush with the height of the floor 5a of the living room 5. It is comprised so that.

  In addition, a space structure of a building that is widely used as a space by setting a landing area for folding stairs in the depth direction is known (see, for example, Patent Documents 2 and 3).

Furthermore, a space structure of a building is also known in which an underfloor storage room configured such that the floor surface is lower than the lower floor is below the landing of the folded staircase (for example, Patent Document 4). Etc.).
JP 2005-97932 A JP 10-317627 A JP 11-336344 A Japanese Patent Laid-Open No. 10-317689

  However, in such a conventional building space structure, the entrance / exit 12 of the storage chamber 2 is provided facing the living room 5 on the first layer.

  For this reason, in order to go from the entrance 3 space to the storage room 2, it is necessary to pass through the living 5 space, and the outside access is good, such as being unable to take out luggage on the ground. It was hard to say that there was.

  The storage chamber 2 is configured by dividing a limited vertical space of the one-story building 1 by a floor 8a of the living room 8 of the second layer 7.

  For this reason, it is difficult to set the dimension h in the height direction large, and there is a problem that the feeling of blockage becomes strong.

  Therefore, an object of the present invention is to provide a space structure of a building that has good accessibility to the outside of the building, can effectively use a limited space in the building, and can obtain a feeling of opening.

In order to achieve the above-mentioned object, the invention described in claim 1 connects the lower floor part and the upper floor part, has a landing in the middle part, and has a folded back staircase.
On the side parallel to the stair ascending / descending direction of the landing in a plan view, an intermediate floor connected to the landing is provided at substantially the same height as the landing, and a lower floor is provided below the intermediate floor. A floor surface at a position lower than the floor surface of the building, and at least a part of the folded staircase, with a space between the entrance soil of the building and a space below the intermediate floor located on the opposite side , and the folded staircase The vertical position of the floor surface of the passage under the stairway provided below is aligned with the vertical position of the floor surface of the intermediate floor space so as to be the same height as the floor surface of the lower floor portion. It is characterized by the space structure of the building set at a low position .

Also, those described in claim 2, in below the front Symbol folding stairs, and the lower floor portion, the stepped under passage stairs between the floor surface according to claim 1 Symbol mounting connecting the building It is characterized by a spatial structure.

And what was described in Claim 3 is the building of Claim 1 or 2 in which the entrance-and-exit part connected to the outdoors is formed in the wall surface on the opposite side to the said entrance soil part among the said intermediate floor space. It is characterized by the spatial structure of

Furthermore, what is described in claim 4 is characterized in that a semi-compartment means for performing semi-shielding is provided between the entrance soil portion and the space below the intermediate floor while maintaining continuity. The building space structure according to any one of claims 1 to 3 .

Then, those described in claim 5, wherein the half-sections means comprises a floor portion of the entrance earthen floor, the intermediate floor space between the floor, a floor step formed of claim 4 buildings It is characterized by a spatial structure.

Moreover, what is described in Claim 6 is the space of the building of Claim 4 in which the said half division means is a translucent blindfold board | plate material with which the handrail part provided along the side edge of the said folding | turning staircase was mounted | worn. Characterized by structure.

Furthermore, what is described in Claim 7 is characterized by the space structure of the building according to any one of Claims 1 to 6 , wherein the height of the intermediate underfloor space is 1600 mm or more.

Further, according to the eighth aspect of the present invention, the space below the intermediate floor is an intermediate floor portion that is formed integrally with the landing stage between the lower staircase portion and the upper staircase portion of the folded stairs. The space structure of the building according to any one of claims 1 to 7 positioned below is characterized.

Moreover, what is described in Claim 9 WHEREIN: The said lower staircase part and an upper staircase part are located in the other side on both sides of the intermediate | middle floor part continuously formed integrally with the said landing. 8 is characterized by the spatial structure of the building described in any one of the items.

Furthermore, those of claim 10, wherein the top of the building unit having at least an intermediate floor in the interior, bottom surface portion is omitted, and the intermediate floor space above the intermediate floor section, the internal space The building space structure according to any one of claims 1 to 9, wherein a building unit to be communicated is placed.

Further, according to the eleventh aspect , a translucent blindfold plate material is attached to an intermediate floor portion provided inside the building unit or a handrail portion of a folded staircase connected to the intermediate floor portion. It is characterized by the spatial structure of the building according to claim 10 .

Further, in the twelfth aspect of the present invention, the staircase connected to the intermediate floor provided inside the building unit is formed with an opening communicating in the horizontal direction between the stepped portions. Item 10 or 11 is characterized by the spatial structure of the building.

Moreover, what is described in Claim 13 connects the side part of the short side of another building unit to the side part of a long side in planar view of the said building unit, The space structure of the building according to any one of claims 9 to 12 , wherein the pillar portion is located outside the flow line between the building units.

According to the first aspect of the present invention configured as described above, an intermediate floor space located on the opposite side of the entrance soil portion is provided across at least a part of the folded stairs, and the intermediate floor space is Since the visual sight is interrupted by the folded staircase, a highly independent under-floor space is provided.

In addition, since the floor surface of the intermediate floor space provided below the intermediate floor portion is located at a position lower than the floor surface of the lower floor portion, it is further easy to secure the height direction dimension of the passage under the stairs. Since the vertical position of the floor surface of the passage under the stairs is aligned with the vertical position of the floor surface of the intermediate floor space, it is possible to easily go and go.

  Also, the height dimension of the space below the intermediate floor can be set larger than when the floor surface is flush with the floor surface of the lower floor portion.

  For this reason, a feeling of openness can be obtained even in the space under the intermediate floor, and the height direction position of the intermediate floor portion can be set low, so that the height direction dimension of the space located above the intermediate floor portion is also easy. In this respect as well, a sense of openness can be obtained, and the limited space in the building can be used effectively to support various planning.

Also, those described in claim 2, in the lower part of pre-Symbol folding stairs, and the lower floor portion, is between the floor of the stairs under passage, the stairs are connected.
For this reason, the accessibility when going to the space below the intermediate floor is further good.

And what is described in Claim 3 is formed so that the said entrance / exit part formed in the wall surface on the opposite side to the said entrance soil part of the said intermediate floor space may be connected outdoors.

  For this reason, since it is possible to go in and out through the entrance / exit part, for example, the building is constructed adjacent to another building or structure, and it is difficult to pass the outer periphery of the building. Even if it is in a state, it can enter the building through the entrance opening of the entrance soil, pass through the passage under the stairs, and come and go from the entrance / exit of the space under the intermediate floor to the back side of the building.

  Therefore, even if the site conditions are limited, it can be used more effectively.

Further, according to the fourth aspect of the present invention, semi-shielding is performed while maintaining continuity by means of a half-compartment means provided between the entrance soil portion and the space under the intermediate floor.

  Therefore, it is possible to cope with various planning.

And what is described in Claim 5 is divided into the half between the floor part between entrance soils, and the floor part of intermediate floor space by the floor level | step difference formed as the said half section means.

  Accordingly, the floor level difference ensures the traffic and maintains continuity, while lowering the position of the space below the intermediate floor, and visually half-shielding is performed.

According to a sixth aspect of the present invention, a semi-transparent blindfold member as the half section means is provided along a side edge of the folded staircase.

  For this reason, the blindfold member provides the continuity to such an extent that the space below the intermediate floor and the space located above the intermediate floor is visually shielded from the inter-entry soil portion, while feeling the atmosphere.

Further, according to the seventh aspect of the present invention, since the height of the intermediate underfloor space is 1600 mm or more, the user can use it with a reasonable posture.

Further, in the eighth aspect of the present invention, the intermediate underfloor space is formed integrally and continuously with the landing between the lower staircase portion and the upper staircase portion of the folded staircase.

  Therefore, a visually wide space is provided.

According to a ninth aspect of the present invention, the lower staircase portion and the upper staircase portion are located on opposite sides of an intermediate floor portion that is formed integrally and continuously with the landing.

  For this reason, it can move easily between the room space which passes the intermediate floor part and is located on the opposite side.

Furthermore, those described in claim 10, wherein the top of the building unit having at least an intermediate floor in the interior, the building units that bottom surface portion is omitted is placed, intermediate above the intermediate floor The space above the floor and the internal space communicate with each other, and a so-called open space is expanded in the vertical direction, so that an open feeling can be obtained.

  In addition, when the building unit is provided with an upper space between the entrance soils or an upper space on the staircase and landings, the space is expanded in the horizontal direction. In the two spaces, the vertical direction is also added to the space that is formed, a blow-off space that can provide an open feeling is formed.

And what is described in Claim 11 is that the translucent blindfold board | plate material with which the handrail part of the said folding | turning staircase was mounted | worn visually impairs the inside of the said building unit, and an open feeling is impaired. There is no.

Furthermore, in the invention described in claim 12 , the opening formed in the folded stairs connected to the intermediate floor provided in the building unit communicates horizontally between the steps. Is formed.

  For this reason, a feeling of opening can be further improved.

Further, according to a thirteenth aspect of the present invention, in the plan view of the building unit, a short side surface portion of another building unit is connected to a long side surface portion.

  For this reason, even when the size of the frontage direction of the building cannot be set large, various and rational plans can be obtained by combining each building unit.

  And since the pillar part of this other building unit is located in other than the flow line between each building unit, it does not become a hindrance to a movement.

  Embodiments of the present invention will be described below with reference to the drawings.

  1 to 14 show the spatial structure of a building according to the best mode of the present invention.

  First, in terms of configuration, the building space structure of this embodiment is provided in a unit building 15 as a house formed by combining a plurality of building units 16, 16, 17... As shown in FIG.

  In this unit building 15, as shown mainly in FIG. 3 or FIG. 4, a plurality of room units 16 constituting a first-floor room a as a room space are arranged side by side in the depth direction L of the building. At the same time, it is installed in two layers so as to form a two-story building.

  Further, as shown in FIG. 2, the front side units 16t of the living room units 16 and the entrance units 17 and 17 are laminated in two layers so as to be connected to the girder, and are long in the depth direction L of the building. A facade (face) of the unit building 15 is provided along the direction, and has an entrance atrium space f as shown in FIG. 6 above the entrance-gap portion g shown in FIG. It is configured.

  Among these, inside the entrance unit 17 on the lower floor, as shown in FIG. 1, a folded staircase as a staircase connecting the lower floor portion 16a and the upper floor portion 16b of the living room units 16, 16 is provided. 18 is provided.

  In addition, a landing 19 is formed in the middle part of the folded staircase 18.

  The number of steps of the folding staircase 18 in this embodiment is 14, the lower staircase portion 18a from the lower floor 16a to the seventh landing 19 and the upper stairway from the landing 19 to the upper floor 16b. 18b, and a pair of sasa girders 21 and 21 made of a metal frame that supports the plurality of treads 20 constituting the upper and lower steps 18a and 18b at regular intervals, and the upper and lower steps 18a, Handrail portions 22 and 22 provided along both side edges of 18b are provided and mainly configured (see FIG. 3).

  Moreover, in this embodiment, as shown in FIG. 1, the plate | board | plate material of each step part of the folding | turning staircase 18 is exhibiting the opening part shape open | released so that it might respectively communicate before and after a horizontal direction paper surface.

  An intermediate floor 23 connected to the landing 19 is provided at the side parallel to the landing direction of the staircase in the landing 19 in a plan view.

  The landing 19 and the intermediate floor 23 are provided in a space between the outer wall panel 31 and the inner wall member 32 as shown in FIGS. 10 to 14, and connect the upper and lower beam frame members 26 and 27 to each other. The middle column members 28, 28 and 29, 29 project from the side surfaces of the middle column members 28, 28, and are supported from below by frame receiving metal members 30.

  That is, as shown in FIG. 12, the middle pillar members 28 and 29 have a substantially U-shaped cross section that opens the inside of the building, and a plurality of bolt members 33 and nut members 34 are used on the inside. The frame receiving metal members 30 to be engaged are fastened and fixed to each other.

  The frame bracket member 30 is provided with a girder mounting bracket portion 30a that protrudes integrally through the inner wall member 32.

  Further, as shown in FIGS. 13 and 14, joist frame members 37... Juxtaposed on the lower surface side of the landing 19 and the intermediate floor 23 are arranged on the upper surface 30b of the girder mounting hardware 30a. The bolt member 33, the nut member 34, and a plurality of mounting screw members 38 are used and fixed through the connecting member 35, the fixing plate member 36, the spacer member 39, and the like. .

  Further, below the intermediate floor 23, an intermediate floor lower space b having a concrete floor 25 is provided at a position lower than the floor 16c of the lower floor 16a.

  As shown in FIG. 1, the height position of the floor surface 25 of the intermediate underfloor space b is set to be close to the height position of the ground surface GL.

  As shown in FIG. 1, the height H1 from the floor 25 to the landing 19 and the intermediate floor 23 is about 1750 m, and the landing 19 and the intermediate floor 23 from the floor 16c of the lower floor 16a. The height H2 from the floor 16c of the lower floor 16a to the lower surface of the landing 19 and the middle floor 23 is about 1200mm, and the height H2 from the middle floor 23 to the upper floor is about 1400mm. The height H4 to the part 16b is set to about 1400 mm.

  In this embodiment, the height H5 from the floor surface of the entrance soil portion g to the floor surface 16c of the lower floor portion 16a is set to about 200 mm, and the floor surface 25 and the entrance soil portion A floor step 40 is set as one of the half-comparting means that perform semi-shielding while maintaining continuity between the floor surface + of g and the floor step 40 is connected by a descending staircase 40a. Has been.

  Furthermore, in this embodiment, the height H6 from the floor surface 25 to the floor surface 16c of the lower floor portion 16a is set to about 500 mm, and the first floor room portion a and The intermediate floor space b is connected so as to be able to come and go.

  The space b below the intermediate floor is located on the opposite side of the entrance-gap portion g of the entrance unit 17 constituting the unit building 15 with the folding staircase 18 interposed therebetween. A step-down passage 24 is provided to communicate between the entrance soil portion g and the intermediate floor space b.

  In addition, an entrance / exit 43 that communicates with the outdoors is formed on the wall 42 on the opposite side of the intermediate floor space g of the intermediate floor space b with a door 43a that can be opened and closed.

  Further, in this embodiment, as one of the semi-compartment means, as shown in FIG. 4, the handrail portions 22, 22 provided along the side edges of the folded staircase 18 are provided with a translucent blindfold plate material. 44 are mounted.

  Next, the effect of the space structure of the building of this embodiment will be described.

  In the space structure of the building of this embodiment, since the landing 19 is provided in the intermediate part, and the lower stairway passage 24 is provided below the formed folding staircase 18, the interstitial space g and the intermediate part The underfloor space b communicates, and the accessibility when going to the intermediate underfloor space b from the outside of the unit building 15 through this entrance soil portion g is good.

  In addition, since the floor surface 25 of the intermediate floor space b provided below the intermediate floor portion 23 exists at a position lower than the floor surface 16c of the lower floor portion 16a, the height of the lower stairway passage 24 is further increased. It is easy to secure the directional dimensions and can easily go in and out.

  The height dimension H1 of the intermediate floor space b can also be set larger than when the floor surface 25 is flush with the floor surface 16c of the lower floor portion 16a.

  For this reason, a feeling of opening can be obtained even in the space under the intermediate floor b, and the height direction position of the intermediate floor portion 23 can be set lower than that of the upper floor portion 16b.

  Therefore, as shown in FIG. 4, the height dimension of the space above the intermediate floor d located above the intermediate floor portion 23 can be easily secured, and in this respect as well, a sense of openness can be obtained and the unit building 15 The limited space can be used effectively to support various planning.

  Moreover, as shown in FIG.1 and FIG.5, as shown in FIG.1 and FIG.5, the entrance-and-exit part 43 connected to the outdoors is provided in the wall surface 42 on the opposite side to the said entrance soil part g among the said intermediate floor space b. It has 43a and is formed so as to communicate with a service yard c provided outdoors.

  For this reason, the outdoor service yard c provided on the back side of the unit building 15 can pass through the entrance / exit 43 and enter and exit from the intermediate floor space b.

  Therefore, for example, the unit building 15 is constructed adjacent to other buildings or structures, or surrounded by a planting 45 as shown in FIG. Even if it is difficult to enter the service yard c through the road, it passes through the entrance opening 46 from the front of the unit building 15 and enters the entrance soil portion g provided in the entrance unit 17 of the unit building 15. It is possible to travel to the back side of the unit building 15 from the entrance / exit 43 of the intermediate floor space b through the lower stairs passage 24.

  Therefore, even if the site conditions are limited, it is possible to secure and utilize the flow line more effectively.

  Further, the floor step 40 as a half-compartment means provided between the entrance soil portion g and the intermediate floor space b is divided into half sections while maintaining continuity, and the side of the turn-up staircase 18 side. A semi-transparent blindfold member 44, which is provided along the edge, blocks the line of sight between the interstitial space g and the intermediate floor space b, thereby performing semi-shielding.

  For this reason, it is possible to cope with various planning, and the position of the intermediate underfloor space b is lowered while the traffic is secured and the continuity is maintained by the descending stairs 40a provided in the floor step 40, Semi-shielding is also performed visually.

  Moreover, in this embodiment, as shown in FIG. 4, the semi-transparent blindfold members 44... Are each handrail portion provided at the side edge of the lower step portion 18a and the upper step portion 18b. 22 and 22 are provided so as to extend obliquely upward and downward with the blindfold member 44 of the landing 19 as the center.

  Therefore, by these blindfold members 44, the space under the intermediate floor b and the space b located above the intermediate floor 23 are visually half-shielded from the direction of the entrance soil portion g and can feel a sign. Continuity is obtained.

  In addition, in this embodiment, since the blindfold member 44 is translucent, the feeling of opening is not impaired.

  Furthermore, in this embodiment, as shown in FIG. 1, the plate | board | plate material of each step part of the folding | turning staircase 18 is exhibiting the opening part shape open | released so that it might respectively communicate before and after a horizontal direction paper surface.

  For this reason, a feeling of opening can be further improved.

  Further, in this embodiment, as shown in FIG. 5, the intermediate underfloor space b is located on the opposite side of the entrance soil portion g of the unit building 15 with the folded stairs 18 as the stairs interposed therebetween.

  For this reason, a highly independent intermediate floor space b is provided.

  Further, as shown in FIG. 6, the intermediate floor space d is also located on the back side of the entrance unit 17, so that independence can be enhanced.

  Furthermore, in this embodiment, since the height of the space under the intermediate floor is 1800 mm, the user can use it with a reasonable posture.

  8 and 9 show the space structure of the building of Example 1 of the embodiment of the present invention. The same or equivalent parts as those in the above embodiment will be described with the same reference numerals. In the building space structure of the first embodiment, the semi-open type under-floor space b is used as a SOHO (Small Office / Home Office) space.

  In the first embodiment, as shown in FIG. 8, a sliding door 47 with frosted glass is provided between the living room a space on the first floor and the intermediate floor space b.

  Further, as shown in FIG. 9, the intermediate floor space d is provided with multipurpose storage furniture 48 and is used as a kids living room.

  Next, the operation of the first embodiment will be described.

  In Example 1, in addition to the effects of the above-described embodiment, the semi-open type space b below the intermediate floor is used as a SOHO space between the adjacent one-floor room space a. Through the installed sliding door 47 with frosted glass, it is possible to check the state of the housemate, such as a child, and to respond to visitors to the entrance, courier service, and the like.

  Further, as shown in FIG. 9, the intermediate floor portion 23 is provided with multipurpose storage furniture 48, which is used as a kids' living room.

  For this reason, as shown in FIGS. 1, 3 and 4, the intermediate floor space d having a height of about 1.5 floors is opened to the ceiling surface of the entrance unit 17 located on the upper floor portion. It can be used as a unique gaming space.

  Other configurations and operational effects are the same as or equivalent to those of the above-described embodiment, and thus description thereof is omitted.

  FIGS. 15 to 17 illustrate the space structure of a building according to Example 2 of the embodiment of the present invention.

  In addition, the same code | symbol is attached | subjected and demonstrated about the same or equivalent part as the said embodiment and Example 1. FIG.

  In the building space structure of the second embodiment, the closed type intermediate floor space b is used as a concentrated storage space.

  In the second embodiment, as shown in FIG. 15, a blindfold wall portion 49 is provided between the lower floor portion 16a of the first floor and the sasara girder 21 of the upper stair portion 18b of the folding staircase 18. .

Further, as shown in FIG. 16, a partition wall 51 is provided between the upper floor 16b, the lower floor 16a, and the column 50. The partition 51 includes a door opening. Is formed, and a single door 52 is provided that allows the user to go between the first-floor room a and the intermediate floor space b by opening.

  Further, as shown in FIG. 17, the space d above the intermediate floor is provided with a housework desk 53 and used as a housekeeping corner.

  Next, the effect | action of the space structure of the building of this Example 2 is demonstrated.

  In the space structure of the building of Example 2, in addition to the function and effect of the above embodiment, the closed-type intermediate floor space b is used as a central storage space, and is provided in the partition wall 51. By opening the opening door 52, it is possible to come and go between the first-floor room a and the intermediate floor space b, and by closing the single door 52, the inside of the intermediate floor space b The stored items can be hidden so that they cannot be seen from the direction of the first-floor room a.

  Moreover, in the second embodiment, as shown in FIG. 15, a blindfold wall portion 49 is provided between the lower floor portion 16a of the first floor and the sasara girder 21 of the upper stair portion 18b of the folding staircase 18. ing.

  For this reason, the stored item in the space under the intermediate floor b is not seen also from the direction between the front doors g, and an orderly impression can be given to the visitor.

  Moreover, as shown in FIG. 17, the house floor 53 is provided in the said intermediate floor part 23, and it can be used as a house keeping corner.

  For example, using the space d above the intermediate floor having a height of about 1.5 floors, taking in the laundry that has been dried, ironing at the housework desk 53, folding up, etc. Can be used as a space.

Other configurations and operational effects are the same as or equivalent to those of the above-described embodiment and Example 1, and thus description thereof is omitted.

18 to 20 are for explaining the space structure of a building according to Example 3 of the embodiment of the present invention.

  In addition, the same code | symbol is attached | subjected and demonstrated about the same thru | or equivalent part as the said embodiment and Example 1,2.

  In the building space structure of the third embodiment, the open type under-floor space b is used as a pet space.

  In Example 3, as shown in FIG. 18, a glass sliding door 57 is provided between the first-floor room a space and the intermediate floor space b.

  Further, as shown in FIG. 19, the intermediate floor space d is provided with a work table 58 and is used as a hobby corner such as an atelier.

  Next, the effect | action of the space structure of the building of this Example 3 is demonstrated.

  In the space structure of the building according to the third embodiment, the open-type intermediate underfloor space b is used as a pet space, and glass provided between the first floor living room a space and the intermediate underfloor space b. Via the entrance door 57, the state of the pet can always be heard from the direction of the room a on the first floor.

  In addition, as shown in FIG. 20, from the entrance soil portion g, the traffic is ensured and the continuity is maintained, and the position of the intermediate underfloor space b is lowered, so that semi-shielding is performed visually.

  For this reason, there is no intimidation to visitors compared to the case where there are pets in front of the entrance, and if necessary, it passes through the entrance soil part g and goes out to the outside. A pet that cannot be raised on the floor surface 16c of the living room a can obtain the same sense of unity as if kept indoors.

  Further, since the floor surface 25 of the intermediate underfloor space b that is one step lower than the entrance soil portion g is made of concrete, it can be easily cleaned even if pet food or water spills, and the floor surface 25 is also deteriorated. Low durability and good odor resistance after long-term use.

  And as shown in FIG. 5 of the said embodiment, since it is arrange | positioned close to water surroundings, such as a kitchen and a washroom etc. which communicates with the service yard c, this intermediate floor space b, and the service yard c, etc. Compared to the case where there are pets, the convenience is good.

  Further, as shown in FIG. 19, the intermediate floor portion 23 is provided with a work table 58, which is used as a hobby corner such as an atelier.

  For this reason, as shown in FIGS. 1, 3 and 4, an open intermediate floor space b having a height of about 1.5 floors is provided up to the ceiling surface of the entrance unit 17 located on the upper floor portion. It can be used as a display of hobby collections or as a performance hall using musical instruments.

  Other configurations and operational effects are the same as or equivalent to those of the above-described embodiment and Examples 1 and 2. Therefore, the description thereof is omitted.

  FIGS. 21 and 22 illustrate the space structure of a building according to Example 4 of the embodiment of the present invention.

  In addition, the same code | symbol is attached | subjected and demonstrated about the same or equivalent part as the said embodiment and Examples 1-3.

  In the space structure of the building according to the fourth embodiment, the folding staircase 118 in which the positions of the lower staircase portion 18a and the upper staircase portion 18b of the folding staircase 18 according to the first embodiment are interchanged is the first floor portion. The door unit 117 is installed in advance in the center of the door unit 117 and delivered while mounted inside the door unit 117. The door unit 117 is placed on the foundation at the construction site. By doing so, the construction is configured to be substantially completed.

  Further, in the fourth embodiment, as the folding staircase 18 provided inside the entrance unit 117 on the first floor, as shown in FIG. 21, openings that communicate with each other in the horizontal direction are formed between the respective steps. Thus, a structure is provided in which no kick plate is provided.

  A landing 19 located between the lower staircase portion 18a and the upper staircase portion 18b of the turn-up staircase 18 is mounted in advance so as to be integrated in the factory.

  In addition, the dance floor 19 and the intermediate floor 23 are attached in advance in the factory so as to be integrated into the entrance unit 117 on the first floor.

  Furthermore, in this Example 4, each handrail part 22,22 with which the translucent blind-fold board | plate material 44 ... is mounted | worn is at least one place among these folding | turning stairs 18, the landing 19, or the said intermediate | middle floor part 23. Is pre-mounted.

  The entrance unit 117 on the first floor of the fourth embodiment is formed in advance with an entrance 3 having an entrance door and an entrance soil portion b.

  Further, the entrance unit 117 of the first floor portion is not provided with a floor portion constituting the floor surface.

  Further, as shown in FIG. 21, a downward staircase portion 141 that communicates with the lower stairway passage 24 and the first floor room portion a2 is provided below the upper staircase portion 18b below the upper staircase portion 18b. In addition, it is provided so as to face in a substantially L shape in a top view.

  Furthermore, in the fourth embodiment, as shown in FIG. 21, the entrance unit 127 of the second floor portion as the entrance unit that forms the atrium space f in the portion corresponding to the second floor portion above the entrance unit 117 of the first floor. Is configured to be placed.

  The entrance unit 127 of the second floor part is not provided with a floor surface part constituting the floor surface part.

  Next, the operation of the fourth embodiment will be described.

  In the fourth embodiment, as shown in FIG. 22, in the plan view of the entrance units 117 and 127, the side portions 117 a and 127 a on the long side are connected to the side portions 15 b on the short side of the other building units 15 and 15. 15b are connected to each other by being placed on the foundation of the construction site in a so-called twill connection form.

  For example, even when the size of the frontage direction of the building cannot be set large, a variety of rational plans can be obtained by combining the building units 15, 117, and 127.

  Moreover, as shown in FIG. 2, the column parts 15 a, 15 a of the building units 15, 15 are below the turn-up stairs 18 except on the flow line between the building units 15, 15 and the entrance units 117, 127. It is located between the staircase portion 18a and the upper staircase portion 18b and does not hinder the movement flow line.

  Furthermore, as shown in FIG. 21, since the upper staircase portion 18a of the folding staircase 118 is provided on the entrance soil portion g side, from the first-floor room a2 through the downstairs portion 141, Access to the passage 24 and the intermediate floor space b can be easily performed.

  For this reason, from the first-floor room a2, it is possible to utilize the lower stairway passage 24 and the intermediate underfloor space b as a dirt living room or dirt storage that can be used integrally.

  In the fourth embodiment, the entrance 3, the turn-up stairs 18, the landing 19, and the intermediate floor 23 are integrally provided in advance on the entrance unit 117 that constitutes the first floor portion. For this reason, the entrance unit 117 is transported and placed on the construction site, thereby forming a downward staircase portion 141 communicating from the first-floor room a2 to the lower stairway passage 24 at the construction site. By doing so, construction is completed easily.

  And the entrance unit 117 which comprises this 1st floor part is not provided with the floor part.

  As described above, the entrance 3, the turn-up stairs 18, the landing 19, and the intermediate floor 23 for forming the intermediate floor space b are collected in the entrance unit 117 and integrally provided. For this reason, the building unit which does not provide a floor surface part in a plurality of building units is not dispersed and can be consolidated into the entrance unit 117 having no floor surface part, and the productivity can be improved. .

  In the fourth embodiment, the entrance unit 127 not provided with a floor portion is placed above the entrance unit 117 on the first floor.

  For this reason, the space above the entrance soil portion g of the entrance unit 117 on the first floor, the space above the folding stairs 18 and the landing 19, and the space d above the intermediate floor 23 above the intermediate floor 23 are portions corresponding to the second floor portion. A ventilating space f that provides an open feeling is formed in both the horizontal direction and the vertical direction in communication with the internal space of the entrance unit 127 provided.

Other configurations and functions and effects are the same as or equivalent to those of the above-described embodiment and Examples 1 to 3, and thus description thereof is omitted.
[Reference Example 1]

FIG. 23 explains the space structure of a building of Reference Example 1 according to the embodiment of the present invention.

  In addition, the same code | symbol is attached | subjected and demonstrated about the same or equivalent part as the said embodiment and Examples 1-3.

In the space structure of the building of the reference example 1 , the lower staircase portion 18b and the upper staircase portion 18 of the fourth embodiment are used.
A step 218 provided with an intermediate floor 23 is formed between a and a.

  The intermediate floor portion 23 is formed integrally with the lower staircase portions 18b and the landings 23a and 23b of the upper staircase portion 18a.

  And it is comprised so that the intermediate floor under space b may be located under this intermediate floor part 23. FIG.

Next, the operation of the reference example 1 will be described.

In the first reference example , in addition to the operational effects of the above-described embodiment, an intermediate floor portion 23 is formed at a substantially central portion of the entrance unit 217 as shown in FIG.

  For this reason, the space d on the intermediate floor having a visually widening is obtained, and the accessibility from the first and second floor rooms is also good.

  In addition, a highly independent underfloor space b is provided below the intermediate floor 23, and in a plan in which no wall surface or the like is provided in the portion indicated by the arrow i in FIG. And it becomes possible to propose an open space in which the intermediate floor space b is integrated.

Other configurations and operational effects are the same as or equivalent to those of the above-described embodiment and Examples 1 to 4, and thus description thereof is omitted.
[Reference Example 2]

FIG. 24 illustrates the building space structure of the reference example 2 according to the embodiment of the present invention.

In addition, the same code | symbol is attached | subjected and demonstrated about the same or equivalent part as the said embodiment, Examples 1-4 , and the reference example 1. FIG.

In the space structure of the building of the reference example 2 , a staircase 318 in which the positions of the lower staircase portion 18b and the upper staircase portion 18a of the staircase 218 of the reference example 1 are exchanged is provided.

Next, the operation of the reference example 2 will be described.

In Reference Example 2 , in addition to the operational effects of the above-described embodiment, as shown in FIG. 24, in a plan in which a kitchen or the like is provided on the back side of the building of the first-floor room a1, the descending staircase portion 141 is provided. Therefore, the accessibility to the space b under the intermediate floor is good.

  For this reason, this intermediate floor space b is suitable for use as a storage for food or the like.

Other configurations and operational effects are the same as or equivalent to those of the above-described embodiment , Examples 1 to 4 and Reference Example 1, and thus description thereof is omitted.
[Reference Example 3]

FIG. 25 explains the space structure of a building of Reference Example 3 according to the embodiment of the present invention.

  In addition, the same code | symbol is attached | subjected and demonstrated about the same or equivalent part as the said embodiment and Examples 1-4.

In the building space structure of the reference example 3 , a staircase 418 is provided in which the lower staircase portion 18b of the staircase 318 of the reference example 2 is disposed adjacent to the upper staircase portion 18a located on the back side of the building of the entrance unit 327. ing.

  And the above-mentioned entrance soil part g and the intermediate floor under space b of the intermediate floor part 23 are connected.

Next, the operation of the reference example 3 will be described.

In this reference example 3 , in addition to the operational effects of the above-described embodiment, as shown in FIG. 25, an intermediate between the staircase 418 located on the back side of the building of the entrance unit 327 and the entrance soil portion g. The floor 23 is formed, and the accessibility from the kitchen provided on the back side of the building of the first-floor room a1 and the inter-soil entrance g of the entrance 3 to the intermediate floor space b is good.

  For this reason, this intermediate floor space b is suitable for use as a storage for food items or a service yard.

  Moreover, since the intermediate floor portion 23 is continuously provided in the entrance soil portion g, a blow-off space continuous from the intermediate floor space d onto the stairs 418 is formed, and when viewed from the entrance opening 46 direction, It can give a sense of visual openness with depth.

Other configurations and operational effects are the same as or equivalent to those of the above-described embodiment , Examples 1 to 4 and Reference Examples 1 and 2, and thus description thereof is omitted.
[Reference Example 4]

FIGS. 26 and 27 illustrate the building space structure of Reference Example 4 according to the embodiment of the present invention.

In addition, the same code | symbol is attached | subjected and demonstrated about the same or equivalent part as the said embodiment, Examples 1-4, and Reference Examples 1-3 .

In the building space structure of the reference example 4 , as shown in FIG. 26, entrance units 417 and 417 are provided at substantially the center of the building 115, and a plurality of room units are provided on both sides of the entrance units 417 and 417. 116... Are connected to the entrance units 417 and 417 from both sides and have room spaces a1 and a2 and a3 and a4 as shown in FIG.

Moreover, in this reference example 4 , the intermediate | middle floor part 23 in which the lower step part 18a of the staircase 218 of the said reference example 2 of an entrance unit is formed integrally with the upper staircase part 18b continuously with the said landings 23a and 23b. Is located on the opposite side of the diagonal.

Next, the effect of this reference example 4 is demonstrated.

In the staircase 418 of the space structure of the building of Reference Example 4 configured as described above, the intermediate floor portion 23 in which the lower staircase portion 18a and the upper staircase portion 18b are integrally formed continuously with the landings 23a and 23b. Is located on the opposite side of the diagonal.

  For this reason, it can move easily between room space a1, b2 etc. which pass the intermediate floor part 23 and are located in the other side.

Other configurations and operational effects are the same as or equivalent to those of the above-described embodiment, Examples 1 to 4, and Reference Examples 1 to 3, and thus description thereof is omitted.
[Reference Example 5]

28 and 29 illustrate the building space structure of the reference example 5 according to the embodiment of the present invention.

In addition, the same code | symbol is attached | subjected and demonstrated about the same or equivalent part as the said embodiment, Examples 1-4, and Reference Examples 1-4 .

In the space structure of the building of Reference Example 5 , as shown in FIG. 28, entrance units 517 and 517 are provided between the living room units 116 and 116 of the building 215 at substantially the center position.

In these entrance units 517 and 517, the lower staircase portion 18a and the upper staircase portion 18b of the staircase 418 of Reference Example 4 are the staircase 518 having a lower staircase portion 18a and an upper staircase portion 18b whose positions in the left-right direction are reversed. Is formed.

Next, the effect of this reference example 5 is demonstrated.

In the staircase 518 of the space structure of the building of Reference Example 5 configured as described above, the intermediate floor portion 23 in which the lower staircase portion 18a and the upper staircase portion 18b are integrally formed continuously with the landings 23a and 23b. Is located on the opposite side of the diagonal.

  For this reason, it can move easily between the room spaces a2 and b2 located on the opposite side through the intermediate floor 23.

Other configurations and operational effects are the same as or equivalent to those of the above-described embodiment, Examples 1 to 4, and Reference Examples 1 to 3, and thus description thereof is omitted.

  The embodiment of the present invention has been described in detail above with reference to the drawings. However, the specific configuration is not limited to this embodiment, and design changes that do not depart from the gist of the present invention are not limited to this embodiment. Included in the invention.

  That is, in the space structure of the building of the embodiment, the landing 19 of the folding staircase 18 having a height position equal to the intermediate floor 23 is located from the lower floor 16 a to the seventh landing 19. The stairs 18a and the upper stairs 18b from the landing 19 to the upper floor 16b are set to the same seven steps, and the height H1 from the floor 25 to the intermediate floor 23 is about 1800 mm. The landing 19 connected to the intermediate floor 23 may be provided in any number of steps, and a step-down passage 24 that connects the entrance soil portion g and the space under the intermediate floor b is provided below the folded stairs. As long as it is, it may be a folded stair of any shape, number of steps and material, such as a spiral staircase or an L-shaped staircase.

  Furthermore, in this embodiment, the height of the space under the intermediate floor is set to H1 = 1750 mm. However, the present invention is not limited to this. For example, when the height is 1600 mm or more, such as 1800 mm or 1650 mm, the user cannot force. Any height H1 may be set as long as it can be used with no posture.

It is sectional drawing in the position along the AA line in FIG. 2 which demonstrated the structure of the whole entrance unit by the space structure of the building of this best embodiment, and looked at the room space direction from the entrance unit. . It is a typical perspective view of a unit building where the space structure of the building of an embodiment is used. It is sectional drawing in the position along the BB line in FIG. 2 which looked at the entrance unit direction from the living room space by the space structure of the building of embodiment. FIG. 3 is a cross-sectional view at a position along the line CC in FIG. 2, illustrating the configuration of the entrance unit in the space structure of the building according to the embodiment, and viewing the space on the intermediate floor and the lower space from the entrance soil. It is sectional drawing in the position along the DD line in FIG. 2 explaining the structure of the 1st floor part of a unit building by the space structure of the building of embodiment. It is sectional drawing in the position along the EE line in FIG. 2 explaining the structure of the 2nd floor part of a unit building by the space structure of the building of embodiment. It is sectional drawing in the position along the FF line in FIG. 2 explaining the structure of the floor in an entrance unit by the space structure of the building of embodiment. In the space structure of the building of Example 1 of an embodiment, it is the front view which looked at the turn-up stairs and the middle floor part direction from the first-floor room part. In the space structure of the building of Example 1 of an embodiment, it is the perspective view which looked at the landing floor direction of an intermediate floor part and a folding staircase from the second-floor room part. It is the front view in the state where the inner wall surface material explaining the internal structure of the entrance unit girder side wall surface was removed in the space structure of the building of the embodiment. It is the front view in the state where the inner wall surface material explaining the internal structure of the entrance unit wife side wall surface was removed in the space structure of the building of the embodiment. It is a horizontal expanded sectional view which shows the structure of the part by which the landing or an intermediate floor part is connected to a wall surface part by the space structure of the building of embodiment. It is a vertical direction expanded sectional view which shows the structure of the part by which the landing or intermediate | middle floor part is connected to a wall surface part by the space structure of the building of embodiment. It is a front view of the frame receiving metal member projected from the wall surface part by the space structure of the building of an embodiment. In the space structure of the building of Example 2 of an embodiment, it is the front view which looked at the return staircase and the middle floor part direction from the part between entrance soil. In the space structure of the building of Example 2 of an embodiment, it is the front view which looked at the turn-up stairs and the middle floor part direction from the first floor room part. In the space structure of the building of Example 2 of an embodiment, it is the perspective view which looked at the landing floor direction of an intermediate floor part and a folding staircase from the second-floor room part. In the space structure of the building of Example 3 of an embodiment, it is the front view which looked at the return staircase and the middle floor part direction from the part between entrance soil. In the space structure of the building of Example 3 of an embodiment, it is the front view which looked at the turn-up stairs and the middle floor part direction from the first floor room part. In the space structure of the building of Example 3 of an embodiment, it is the perspective view which looked at the landing floor direction of an intermediate floor part and a folding staircase from the second-floor room part. In the space structure of the building of Example 4 of the embodiment, the entrance unit in which the entrance portion, the staircase portion, and the intermediate floor portion are integrally mounted and the entrance unit in which the front portion forms an atrium space in which the entrance portion is not provided It is a perspective view in a state. It is a horizontal sectional view showing the composition of the 1st and 2nd floor parts of the entrance unit in the space structure of the building of Example 4 of the embodiment. It is a horizontal sectional view showing the composition of the 1st and 2nd floor parts of the entrance unit in the space structure of the building of Reference Example 1 of the embodiment. It is a horizontal sectional view showing the composition of the 1st and 2nd floor parts of the entrance unit in the space structure of the building of Reference Example 2 of the embodiment. It is a horizontal sectional view showing the composition of the 1st and 2nd floor parts of the entrance unit in the space structure of the building of Reference Example 3 of the embodiment. It is a typical perspective view of the unit building in which the space structure of the building of the reference example 4 of embodiment is used. It is a horizontal sectional view showing the composition of the 1st and 2nd floor parts of the entrance unit in the space structure of the building of Reference Example 4 of the embodiment. It is a typical perspective view of the unit building where the space structure of the building of the reference example 5 of embodiment is used. It is a horizontal sectional view showing the composition of the 1st and 2nd floor parts of the entrance unit in the space structure of the building of Reference Example 5 of the embodiment. It is the longitudinal cross-sectional view of the building explaining the whole structure by the internal space structure of the building of a prior art example .

Explanation of symbols

15,115,215 Unit building (building)
15b, 117a, 217a Side surface portion 16a Lower floor portion 16b Upper floor portion 16c Floor surface (of lower floor portion) 17, 117, 127, 217, 317, 327, 417, 517
Entrance unit 18 Folding stairs
18a Lower staircase portion 18b Upper staircase portion 19, 23a, 23b Landing area 23 Intermediate floor portion 24 Stairway lower passage 40 Floor level difference 42 Wall surface 43 Entrance / exit portion 44 Blindfold member b Intermediate floor lower space d Intermediate floor upper space f Blow-through space g Entrance soil portion

Claims (13)

The lower floor and the upper floor are connected to each other, a landing is formed in the middle, and a folding staircase that turns back,
On the side parallel to the stair ascending / descending direction of the landing in a plan view, an intermediate floor connected to the landing is provided at substantially the same height as the landing, and a lower floor is provided below the intermediate floor. A floor surface at a position lower than the floor surface of the building, and at least a part of the folded staircase, with a space between the entrance soil of the building and a space below the intermediate floor located on the opposite side, and the folded staircase Is provided with a lower stairway that communicates between the entrance soil of the building and the intermediate floor space, and the vertical position of the floor surface of the lower floor space is defined as the vertical direction of the floor surface of the intermediate floor space. A building space structure characterized by being arranged at the same height as the position and set at a position lower than the floor surface of the lower floor. 2. The building space structure according to claim 1, wherein a downward staircase is connected between the lower floor portion and the floor surface of the passage under the staircase below the folded staircase . The building space structure according to claim 1, wherein an entrance / exit portion communicating with the outdoors is formed on a wall surface on the opposite side of the intermediate floor portion of the intermediate floor space . 4. A semi-compartment means for performing semi-shielding while maintaining continuity is provided between the entrance soil portion and the space under the intermediate floor. Spatial structure of the building described in the section . 5. The space structure of a building according to claim 4, wherein the half section means is a floor step formed between a floor portion between entrance soils and a floor portion of an intermediate floor space . 6. The space structure of a building according to claim 5, wherein the half section means is a translucent blindfold plate member attached to a handrail portion provided along a side edge of the folded staircase . The space structure of a building according to any one of claims 1 to 6, wherein a height of the space under the intermediate floor is 1600 mm or more . 2. The intermediate floor space is located below an intermediate floor portion that is formed integrally with a landing area between a lower staircase portion and an upper staircase portion of the folded stairs. The space structure of the building as described in any one of thru | or 7 . The lower staircase portion and the upper staircase portion are located on opposite sides of an intermediate floor portion that is formed integrally and continuously with the landing, according to any one of claims 1 to 8. Spatial structure of the building described in the section. A floor unit is omitted at the top of the building unit having at least the intermediate floor therein, and the building unit is placed to communicate the space above the intermediate floor above the intermediate floor with the internal space. The spatial structure of a building according to any one of claims 1 to 9 . The translucent blindfold board | plate material is mounted | worn by the intermediate | middle floor part provided in the inside of the said building unit, or the handrail part of the folding | turning staircase connected with this intermediate | middle floor part, The Claim 10 characterized by the above-mentioned. Spatial structure of the building. The opening part connected in the horizontal direction between each step part is formed in the folding staircase connected with the intermediate floor part provided in the inside of the said building unit, The Claim 10 or 11 characterized by the above-mentioned. Spatial structure of the building. In the plan view of the building unit, the side part on the short side of the other building unit is connected to the side part on the long side, and the column part of the other building unit is not on the flow line between the building units. The space structure of a building according to any one of claims 9 to 12 , wherein the space structure is located in the building.

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