JP2563738B2 - Unit building - Google Patents

Description

Detailed Description of the Invention

[0001]

The present invention is constructed by a unit construction method.
Regarding unit building .

[0002]

BACKGROUND ART Conventionally, a building constructed in a snowy area and an urban area such as Sapporo has a limited site area. The so-called snow-free roof, which does not drop on the ground, is often used. This snow-free roof has its roof surface inclined downward toward the inside of the plane of the building, and the snow is placed on the roof surface in a snow-covered state, and thaw water is provided at the lowest position of the roof surface. It drains from the drain. In such a snow-free roof, certainty is required for the waterproof treatment of each part of the roof surface because snow is left on the roof surface for a long time.

[0003]

By the way, in recent years, a unit construction method which is frequently used for building a building such as a house is a box-like living room unit or a plurality of box-shaped living room units produced in advance in a factory or the like in order to simplify on-site work. A unit building is constructed by stacking and stacking building units such as a roof unit having a sloping roof surface and stacked on the living room unit to form a top roof portion at a construction site.

Although it is desired to introduce the above-mentioned snow-free roof into such a unit building as well, in the unit construction method, the upper roof portion of the unit building is formed by arranging a plurality of roof units. Waterproofing is indispensable for the connecting portion between the roof units, and there is a problem that the structure is complicated and reliable work is required for the reliable waterproofing that the portion can withstand a snowy state for a long period of time.

An object of the present invention is to provide a unit building capable of simplifying work at a construction site and forming a snowless roof regardless of the number of building units.

[0006]

The first aspect of the present invention According to an aspect of the plurality of ya upper surface roof is composed of a plurality of building units
In a unit building in which a root unit is arranged, the roof unit is formed such that the entire circumference of its upper surface edge portion is the same height and is higher than the roof surface of the edge portion, and at the lowest position of the roof surface. drain port is provided, the roof unit Ri underside planar shape and the top plan shape of the building units are the same <br/> Ah of one of said roof portion right above the building unit
It is characterized in that a roof unit is arranged .

Here, as the roof surface, a V-shaped roof surface, a gable roof surface, a parched roof surface, a one-sided roof surface, a flat roof surface, etc. can be adopted. The uppermost position of such a roof surface may be set at the same height as the upper surface edge of the roof unit, or may be set to be equal to or lower than the height of the upper surface edge.

A second aspect of the present invention is the roof unit.
The drain has a drain pipe that extends vertically.
The bottom edge is perpendicular to the building unit directly below this roof unit.
It is characterized in that it is connected to the upper end of the built-in drainage pipe in a substantially nested manner .

Here, the building unit is built in vertically.
For the drainage pipe, the inner diameter of the upper end of
Is slightly larger than the outer shape of the lower end of the drain pipe
You may have something.

[0010]

In the first aspect of the present invention as described above, since the entire circumference of the upper surface edge portion is the uppermost position of the roof unit, water such as thaw water and rainwater does not flow toward the portion, and the roof is prevented. Snow and rainwater that have accumulated on the surface will not fall on the outer peripheral side of the unit building. Therefore, a reliable waterproof property can be obtained in the connecting portion with another adjacent roof unit, and the connecting structure of the portion can be simplified, so that the site work can be easily performed.

Furthermore, the lower surface of the roof unit and the building unit are
Since the top surface of the building is the same as the top surface,
One of the roof is to be constructed just above the knit, Ken
A snow-free roof can be formed regardless of the number of object units .
In the second aspect of the present invention, because it is built-in drain pipe in the building unit, such as a room unit which is disposed immediately below the roof unit, the roof unit building unit
Waterproofing is completed just by placing it on the top of the unit building, and there is no need for additional work such as installing a downspout when constructing a unit building.
It

[0012]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a unit building 10 according to one embodiment of the present invention. Unit building 10 in this embodiment
At the construction site, by placing the substantially rectangular parallelepiped lower floor living room unit 12 and the upper floor living room unit 13 which are building units on the foundation 11 in an array, and by arranging the roof unit 14 on the upper roof portion thereof. It is to be built.

The roof unit 14 has a frame body 15 having a substantially rectangular parallelepiped shape which can be inserted vertically, and the roof unit 14 is inserted from the upper side edges of the plane long side both sides and the plane short side both sides of the frame body 15.
The roof surface 17 facing the drainage part 16 provided inside the plane
(17A, 17B) are arranged. These roof surfaces 17
Has its uppermost position at the same height as the upper edge portion of the frame body 15, and is a downwardly inclined surface toward the drainage section 16. Roof surfaces 17 such as these are arranged in a substantially symmetrical cross-section.

The drain portion 16 is provided with a groove portion 18 at the lowermost position of each roof surface 17, and the groove portion 18 has a drain outlet 19 at the bottom surface thereof and at a position invisible from the outside. The groove portion 18 has a substantially U-shaped cross section, and is arranged substantially parallel to the long side surface so that the opening portion of the cross section faces upward between the short side surfaces facing each other of the frame body 15.

The bottom surface of the groove 18 is gently inclined downward toward the place where the drainage port 19 is formed.
A roof drain pipe 19A is connected to such a drain port 19, the lower end portion of which is projected from the lower surface of the roof unit 14, and the upper floor living room unit 13 which is a building unit directly below the roof unit 14. It is possible to connect to the upper end of the drain pipe 20 for the upper floor which is vertically built in.

The roof unit 14 as described above is arranged on the roof portion of the upper surface of the unit building 10 so as to be adjacent to another roof unit 14 (chain line in the figure), and the upper surface of each frame body 15 serving as a connecting portion to each other. The peripheral portions are connected by being collectively covered by a joint member 21 having a convex cross section.

That is, a first joint member 21A is provided between the roof units 14 adjacent to each other in the short side direction of the plane of the roof unit 14. This first joint member 21A
Has a substantially mountain-shaped cross-section capable of being collectively covered in correspondence with the inclination angles of the roof surfaces 17A adjacent to each other, and has a longitudinal dimension capable of continuously covering the upper side edge of the long side of each frame 15. are doing.

On the other hand, the second joint member 21 is provided between the roof units 14 adjacent to each other in the direction of the long side of the roof unit 14.
B is straddled. This second joint member 21B is
Each of the roof surfaces 17AB adjacent to each other has a substantially mountain-shaped cross-section that can be covered collectively corresponding to the inclination angle, and has a longitudinal dimension that can continuously cover the short-side upper surface edge of each frame 15. .

Then, these first joint members 21A
The second joint member 21B is provided with notches 22 at both longitudinal ends thereof for avoiding interference with the roof surfaces 17A and 17B, and overlapping portions (each corner of the four roof units 14). Third joint member)
21C is straddled. The third joint member 21C is the first joint member 21A and the second joint member described above.
The shape is such that the longitudinal end portions of 21B can be collectively covered.

When the longitudinal ends of the first joint member 21A and the second joint member 21B are the outer peripheral side end portions of the unit building 10, the fourth joint member 21A
Joint members 21D and 21E are laid across. The fourth joint members 21D and 21E are the third joint members described above.
As with 21C, the longitudinal end portions of the first joint member 21A and the second joint member 21B can be covered, and
The frame 15 has a shape capable of covering the edges of the upper surface on the long side of the plane and the short side of the plane. The first joint member 21A to the fourth joint member 21E as described above are preliminarily formed in a factory or the like, for example, by sheet metal working of a metal plate having corrosion resistance.

A drain pipe for the upper floor vertically built in the living room unit 13 for the upper floor, which is a building unit immediately below the roof unit 14.
20 is provided at a position corresponding to the protruding position of the roof drainage pipe 19A, and the inner diameter of the upper end thereof is set to be slightly larger than the outer diameter of the lower end of the roof drainage pipe 19A. . Therefore, the upper floor drainage pipe 20 is automatically connected to the roof drainage pipe 19A in a substantially nested manner by disposing the roof unit 14 on the upper surface of the upper floor living room unit 13. . The upper floor drainage pipe 20 as described above has a lower end portion projecting from the lower surface of the upper floor living room unit 13 similarly to the roof drainage pipe 19A described above, and is a building unit immediately below the roof unit 14 in the lower floor. It can be connected to the upper end of a lower floor drain pipe 23 vertically built in the living room unit 12.

The lower floor drainage pipe 23 is provided at a position corresponding to the projecting position of the upper floor drainage pipe 20, and the inner diameter of the upper end portion thereof is outside the lower end portion of the upper floor drainage pipe 20. It is set slightly larger than the diameter. Therefore, the drain pipe 23 for the lower floor
Is the upper-floor room unit 12 on the upper surface of the lower-floor room unit 12.
Due to the arrangement of 13, the drain pipe 19 and the upper floor drain pipe 20
Similar to the connection between and, they are connected to the upper floor drainage pipe 20 in a substantially nested manner. Such a lower floor drainage pipe 23, like the above-mentioned upper floor drainage pipe 20, has a lower end projecting from the lower surface of the lower floor living room unit 12 and laid horizontally inside the plane of the foundation 11. It is possible to connect to the drainage pipe 24 for the foundation.

The foundation drainage pipe 24 is received at a position corresponding to the protruding position of the lower end of the lower floor drainage pipe 23 projecting from the lower surface of each lower floor living room unit 12 arranged adjacent to each other. Department
A plurality of 25 are provided upward. The inner diameter of the upper end of the receiving portion 25 is set to be slightly larger than the outer diameter of the lower end of the lower floor drainage pipe 23, and the lower floor living room unit 12 is placed on the foundation 11.
Is arranged, the drainage pipe 23 for the lower floor is automatically connected in a substantially nested manner. The foundation drainage pipe 24 is configured such that its end portion 26 in the lateral installation direction passes through the foundation 11 and is exposed to the outside of the plane of the foundation 11.

In the present embodiment as described above, the lower floor living room unit 12, the upper floor living room unit 13 and the roof unit 14 are sequentially laminated on the foundation 11 at the construction site, whereby the roof drain pipe 19A, The upper floor drainage pipe 20, the lower floor drainage pipe 23, and the foundation drainage pipe 24 are interconnected.

Next, the first joint member 21A and the second joint member 21 are respectively provided between the roof units 14 adjacent to each other.
21B is straddled and fixed by an appropriate means. Then, the first joint member 21A and the second joint member 21B are provided with a third joint member 21C to a fourth joint member 21E on their longitudinal end portions, and are fixed by appropriate means to form a unit. The waterproofing process and construction work on the upper roof part of the building 10 are completed.

In such a unit building 10, snow or rainwater accumulated on the connecting portion between the roof units 14 is covered by the first joint member 21A to the fourth joint member 21E.
17 falls on. And the thawed water and rainwater of the snow,
It flows down on each roof surface 17 and is collected in the drainage section 16, and is sequentially drained to the outside of the plane of the foundation 11 by the roof drainage pipe 19A, the upper floor drainage pipe 20, the lower floor drainage pipe 23, and the foundation drainage pipe 24. To be done.

According to the present embodiment as described above, each roof surface is
Since 17 is a downward slope facing the inside of the flat surface of the roof unit 14, it is possible to prevent snow accumulated on the unit building 10, rainwater, etc. from falling to the outer peripheral side of the unit building 10 as in the prior art. .

On the other hand, according to this embodiment, the roof unit 14
Since the entire circumference of the upper edge portion is formed higher than the roof surface 17 along the inner side of the edge portion, snow melting water, rainwater, etc., toward the connecting portion with another adjacent roof unit 14 There is little risk of water flowing in, and reliable waterproofness is obtained. Therefore, the connecting portion can simplify the waterproof structure and the connecting work at the construction site.

Particularly, in the waterproofing work of the connecting portion, the first joint member 21 is straddled over the upper edge portion of each frame 15.
The work at the construction site can be further simplified because the work is completed by simply performing the work of straddling the A to fourth joint members 21E.

In addition, at the lowest position of each roof surface 17,
Since 16 are provided, thaw water and rainwater of the snow accumulated on each roof surface 17 are automatically collected in the drainage section 16,
Its drainage is also good.

The roof drainage pipe 19A, the upper floor drainage pipe 20, the lower floor drainage pipe 23 and the foundation drainage pipe 24 for draining the water collected in the drainage section 16 are provided on the foundation 11. The lower-floor living room unit 12, the upper-floor living room unit 13, and the roof unit 14 are automatically laminated by sequentially stacking them. Therefore,
Each of these drainage pipes does not require a separate work or the like for interconnecting the drainage pipes, which can further simplify the on-site work.

The upper floor drainage pipe 20, the lower floor drainage pipe 23, and the foundation drainage pipe 24 are vertically installed directly below the roof drainage pipe 19A, and the inner diameters of the upper ends are set slightly larger. Therefore, they can be surely connected to each other, and there is no fear of water leakage from each connecting portion.

Further, the roof drain pipe 19A, the upper floor drain pipe 20 and the lower floor drain pipe 23 are built in the roof unit 14, the upper floor living room unit 13 and the lower floor living room unit 12, and Drainage pipe 24 for the foundation that is installed inside the plane of the foundation 11
Since it is connected to, the vertical gutter or the like is not exposed on the outer peripheral side of the unit building 10 unlike the prior art. Therefore, the appearance of the unit building 10 can be improved, and the separate work of installing the downspout at the construction site can be omitted.

It should be noted that the present invention is not limited to the above-described embodiments, and improvements, modifications and the like within the scope of achieving the present invention are included in the present invention.

For example, in the above-described embodiment, each roof surface is
Although the uppermost position of 17 is configured to be the same as the height of the upper edge of the frame 15, the entire upper edge of the frame 15 is surrounded by each roof like the roof unit 14A shown in FIG. It may be formed so as to be higher than the uppermost position of the surface 17, and a joint member having a substantially U-shaped cross section may be provided so as to straddle a connecting portion with another adjacent roof unit 14. According to such a roof unit 14A, the joint member can be made smaller than the joint member of the present embodiment, and labor for transportation and storage can be saved.

Further, as the roof surface 17, a roof surface is obtained by obliquely assembling the drainage section 16 in a pyramid shape from the upper side edges of the long side and the short side of the frame body 15 such as the roof unit 14B shown in FIG. 17
C, 17D, single-sided roof surface 17E such as roof unit 14C shown in FIG. 4, or roof unit 14D shown in FIG.
17F, 17G, such as the roof of the building, may be used.

Further, in this embodiment, the drain pipe 20 for the upper floor and the drain pipe 23 for the lower floor are built in the lower room living room unit 12 and the upper floor living room unit 13 in a vertical state, respectively. It may be a built-in tilt or a built-in side, and the built-in form is arbitrary. The upper floor drainage pipe 20 and the lower floor drainage pipe 23 need not be built in all the lower floor living room units 12 and the upper floor living room units 13 stacked immediately below the roof unit 14. Instead, if the roof drainage pipe 19A is gathered in the roof unit 14 portion in advance, it may be built in only an arbitrary building unit or the like.

Although the inner diameter of the upper end of each drainage pipe is set to be slightly larger, a reliable connecting means or the like that does not cause water leakage from the connecting portion may be adopted. The structure, form, etc. are arbitrary.

Furthermore, the foundation drainage pipe 23 may be built in beforehand when the foundation 11 is placed, and the installation form and the presence or absence of the installation are arbitrary.

Further, although the roof unit 14 is formed in a substantially rectangular plane shape corresponding to the plane shape of the lower floor living room unit 12 and the upper floor living room unit 13 which are building units, for example, a flat square or a flat polygon. , A plane circle, a plane ellipse, etc., and the shape, size, etc. are arbitrary.

Further, the roof units 14 are arranged on the upper surfaces of the lower-floor living room unit 12 and the upper-floor living room unit 13, which are building units, respectively, but even if they are arranged across a plurality of building units. Good. Further, the planar shape dimension of the roof unit 14 does not have to correspond to the planar shape dimension of the building unit, and may be formed in a large size across the upper surfaces of the plurality of building units.

In addition, in the present embodiment, the roof unit 14 is arranged on the upper surface of the upper-floor room unit 13 which constitutes the multi-story unit building 10. However, the roof unit of the present invention has no upper floor portion. It can also be applied by arranging it on the upper surface of the lower-floor living room unit or the upper surface of a living room unit that constitutes a single-story building.

[0043]

According to the present invention as described above, the work at the construction site can be simplified and the number of building units can be increased.
It can form a snow-free roof regardless .

[Brief description of drawings]

FIG. 1 is an overall perspective view showing an embodiment of the present invention.

FIG. 2 is an overall perspective view showing a modified example of the present invention.

FIG. 3 is an overall perspective view showing a modified example of the present invention.

FIG. 4 is an overall perspective view showing a modified example of the present invention.

FIG. 5 is an overall perspective view showing a modified example of the present invention.

[Explanation of symbols]

 10 unit building 12 Lower floor room unit which is a building unit 13 Upper floor room unit which is a building unit 14 Roof unit 16 Drainage section 17 Roof surface

Claims (2)

(57) [Claims] 1. A unit building arranging a plurality of roof units on face roof is composed of a plurality of building units, the roof unit, the upper surface edge portion all around the same height, and the It is formed higher than the roof surface of the edge part,
Wherein the lowermost position of the roof drainage outlet is provided, the top plan shape and the same der of the lower surface planar shape as the building unit of the roof unit is, the roof portion right above the building unit
A unit building in which one roof unit is arranged for each minute . 2. The unit building according to claim 1, wherein the roof unit is provided with a vertically extending drain pipe, and a lower end of the drain pipe is vertically built in the building unit directly below the roof unit. A unit building characterized by being connected in a substantially nested manner with the upper end of the building .