JPH086889Y2 - Drainage structure - Google Patents

Description

TECHNICAL FIELD The present invention relates to a draining structure for blocking the intrusion of wind and rain by blocking between an eave provided on an outer wall of a building and a roof member arranged below the eave. .

BACKGROUND ART Conventionally, in a configuration in which a roof member of a low building close to an outer wall of a high building is supported by a skeleton of the high building, the roof member and the outer wall of the skeleton can reliably prevent intrusion of rainwater or wind. Therefore, the drainage structure was desired.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention Therefore, an object of the present invention is to provide a draining structure capable of reliably preventing rainwater or wind from entering through a gap between an outer wall of a body and a roof member. .

Means for Solving the Problems In the present invention, an eaves 4 is provided on an outer wall of a body 1, and the eaves 4 are projected.
A roof member 5 is horizontally arranged below the wall surface 2 of the outer wall with a gap L1 therebetween, and a water blocking cover 11 is fixed to a lower end portion 4b of the eaves 4, and the water blocking cover 11 is spaced from each other. The plurality of partition walls 42a to 42c extending downwardly through the first and second spaces 54,5
The inner cover 32 in which 5 is formed and the partition wall 42c disposed on the end face 4a side of the eaves 4 most of the respective partition walls 42a to 42c are opened and the third space 53 is opened and fixed to the lower end portion 4b of the eaves 4. The roof member 5 has a tip upper portion 8a facing the tip lower portion 4b of the eaves 4 from below, and the tip upper portion 8a has a substantially horizontal flat portion.
A first packing that is covered with a cover plate 45 having a cover 46, and has flexibility and elasticity at the lower end portions 43a to 43c of the partition walls 42a to 42c and that abuts the flat portion 46 of the cover plate 45. 44a to 44c are provided respectively, and the end surface of the lowermost part of the outer cover 31 and the innermost cover 32 of the eaves 4
The upper part of the partition wall 42c arranged on the 4a side is vertically spaced apart from the upper part, and the first space 54 of each of the partition walls 42a to 42c is separated.
The partition wall 42b for partitioning the first space 54 and the second space 55 and partitioning the first space 54 and the third space 53 has a first outside air introduction hole 51 for communicating the first and third spaces 54, 53, a first Second space 54,5
A drainage structure characterized in that a second outside air introduction hole 52 communicating with 5 is formed.

Further, according to the present invention, in the lower end portion 4b of the eaves 4, the base end portion 4c of the eaves 4 is more than the end surface 4a of the eaves 4 farthest from the wall surface 2.
It is characterized in that a step portion is formed on the side and the water blocking cover 11 is fixed to the step portion.

Further, according to the present invention, the end portion 48 of the cover plate 45 on the side of the body 1 has flexibility and elasticity, and the lower surface 17 of the eaves 4 is provided.
A second packing 71 that comes into contact with a is provided, and a water blocking plate 72 is provided between the second packing 71 and the water blocking cover 11 so as to extend between the eaves 4 and the cover plate 45. .

Action According to the present invention, the eaves 4 are provided on the outer wall of the body 1,
Below the eaves 4, a roof member 5 is arranged horizontally from the wall surface 2 of the outer wall with a space L1. Lower end of eaves 4
A water blocking cover 11 is fixed to 4b. The waterproof cover 11 has an inner cover 32 and an outer cover 31, the inner cover 32 has a plurality of partition walls 42a to 42c, and the partition walls 42a to 42c are provided with first packings 44a to 44c, respectively. To be These first packings 44a to 44c elastically abut on the flat portion 46 of the cover plate 45 provided on the upper end 8a of the roof member 5 to make the space between the eaves 4 and the roof member 5 watertight and airtight. Can be closed. The lower part of the outer cover 31 and the upper part of the partition wall 42c of the inner cover 32 are spaced apart from each other, and the partition wall 42b is provided with first and second outside air introduction holes 51, 52. This prevents a pressure difference from the atmosphere in each of the spaces 53 to 55, thereby maintaining a state in which the first packings 44a to 44c are securely in contact with the flat portion 46 of the cover plate 45, and is watertight. And it becomes possible to achieve airtightness.

Further, according to the present invention, an eaves 4 is projectingly provided on an outer wall of the skeleton 1, and a roof member 5 is provided below the eaves 4 with a wall surface 2 of the outer wall.
Are spaced apart from each other in the horizontal direction by a distance L1. A step portion is formed at the lower end 4b of the eaves 4, and the water blocking cover 11 is fixed to the step portion. By providing the eaves 4 with the step portion in this manner, the water blocking cover 11 can be mounted from the outside, and the workability at the time of mounting is improved.

Further according to the present invention, a second packing 71 is provided at the end 48 of the cover plate 45 on the side of the body 1, and a water blocking plate is provided between the second packing 71 and the water blocking cover 11.
72 are provided. Therefore, when looking up from below the space L1 between the frame 1 and the roof member 5, the water stop plate 72 is not visible and the aesthetics of the ceiling is improved.

Embodiment FIG. 1 is a sectional view showing the basic construction of an embodiment of the present invention. For example, a skeleton 4 of a building having a relatively high building structure is provided with an eaves 4 protruding outward from a wall surface 2 of an outer wall thereof, and a water blocking cover 11 is fixed to a lower portion of a tip of the eaves 4. Below the eaves 4, for example, the roof member 5 of a low building
Is arranged. The roof member 5 has a glass 6 and a frame body 7 fixed to the peripheral edge of the glass 6. Frame 7
The rising portion 8 is separated from the wall surface 2 of the skeleton 1 by a distance L1. Even if the roof member 5 is displaced due to ground subsidence, an earthquake, or the like, the distance L1 from the skeleton 1 is changed so that the roof member 5 can be displaced from each other. That is, the water blocking cover 11 and the first packing 12 are provided between the rising portion 8 of the roof member 5 and the eaves 4. With the water blocking cover 11 and the packing 12, the wind and rain from the arrow A direction can be reliably blocked even if the distance L1 changes.

FIG. 2 is an enlarged sectional view of section II of FIG. The eaves 4 has first to third cover plates 15, 16 and 17 made of aluminum, and these cover plates 15 to 17
Are attached to the reinforcing members 18-22. The reinforcing member 20 is fixed to the mounting member 26 such as angle steel by welding through the connecting members 23 and 24 such as angle steel and the connecting piece 25. This mounting member 26 is fixed to a mounting member 27 such as a channel steel by welding. The reinforcing member 22 to which the reinforcing member 21 is fixed is fixed to the mounting member 27 by welding through the connecting member 28 and the connecting piece 29. The reinforcing member 18 and the mounting members 26 and 27 are arranged in plural at intervals in the vertical direction on the paper surface of FIG. The first cover plate 15, which is a drain cover supported along the reinforcing member 18, has a water gradient m1 inclined downward as it goes away from the wall surface 2 of the body 1, that is, the rainfall The water is drained along the outer surface 15a which is a draining surface.

An aluminum waterproof cover 11 is attached to the second cover plate 16 of the eaves 4 as described above. The water blocking cover 11 has an outer cover 31 and an inner cover 32, and each of the covers 3
1,32 has slopes 33,34,35 with a water gradient m2. A substantially C-shaped support piece 36, which is arranged at a distance in the vertical direction on the paper surface of FIG. 2, is fixed on the inclined portion 35, and the inclined portion 34 is mounted on the support piece 36. It In such a state, the outer cover 31 and the cover 32 are screwed together with a bolt 38 via a generally L-shaped attachment piece 37 in advance in a factory or the like, and a bolt is attached via the support piece 36. After 39 is screwed and fixed, it is attached to the eaves 4 by bolts 40 and 41 on site. In this way, in the state where the water blocking cover 11 is attached to the eaves 4, the outer surface 31a of the outer cover 31 is arranged so as to be recessed toward the skeleton 1 side at a distance 1 from the outer surface 4a of the eaves 4. . That is, the wall surface 2 is provided on the lower end 4b of the eaves 4.
Step portions 75 and 77 are formed closer to the base end portion 4c of the eaves 4 than the end surface 4a farthest from the end surface 4a, and the water blocking cover 11 is fixed to the step portion 75 close to the end surface 4a. As a result, the waterproof cover 11 is not visually recognized from below through the glass 6 of the roof member 5, and the appearance can be improved.

Partition walls 42a, 42b, 42c extending downward are formed on the inner cover 32 of the water blocking cover 11 described above, and mounting portions 43a to 43c are formed on the respective end portions of these partition walls 42a to 42c. To be done. Flexible and elastic packings 44a to 44c made of, for example, rubber are fitted to the mounting portions 43a to 43c, respectively, and the vicinity of the respective tip portions of the packings 44a to 44c is on the rising portion 8 of the frame body 7. It is in contact with a fixed cover plate 45, for example made of stainless steel. The packing 12 is configured by including the packings 44a to 44c.

The cover plate 45 includes a substantially horizontal flat portion 46 that is inclined with a water gradient m3, a rising portion 47 that is bent upward at the end of the flat portion 46 on the side of the body 1, and an upper side of the rising portion 47. A bent portion 48 that is bent outward from an end portion, and a bent portion 49 that is bent downward from the outer end portion of the flat portion 46 and is continuous, and the rising portion 47 and the bent portion 48 serve to repel water. It constitutes part 50. With such a water return section 50, even if rainwater enters from the outside, water drops will not drop downward from the space 70 on the side of the body 1. Further, since the bent portion 48 and the third cover plate 17 are separated by a distance l2, even if the frame 1 and the roof member 5 are vertically displaced due to an earthquake or the like, the third cover plate 17 and the bent portion 48 are A flexible water blocking plate 72 and a second packing 71 that come into contact with the lower surface 17a of the cover plate 17 are provided to close the space between the flexible plate and the cover plate 17. Further each packing
44a to 44c enable vertical displacement in a state of contacting the cover plate 45 over a distance l3. Therefore, the mutual displacement of the body 1 and the roof member 5 within the distance l3 is allowed while maintaining the sealing property.

Outside air introduction holes 51 and 52 are formed in the hanging portion 42b of the inner cover 32. As a result, the space 53 sandwiched between the outer cover 31 and the inner cover 32 is connected to the space 54 sandwiched between the partition wall 42a and the partition wall 42b of the inner cover 32, and the partition wall 4
The space 55 sandwiched by 2b and the partition wall 42c is the space 54
Communicate with As a result, the atmosphere is introduced into the spaces 53 to 55 as indicated by arrows B1 to B4. Therefore space 53 ~
There is no pressure difference between 55 and the external space, and the air in the spaces 53 to 55 expands due to temperature rise and other packings 44b, 44c.
Is not separated from the cover plate 45 to reduce the sealing performance. In this way, it is possible to maintain the state in which the wind and rain from the arrow A direction is blocked.

On the flat portion 46 of the cover plate 45, the bent portion 48 and the partition wall 42a arranged closest to the body 1 have a space over a distance l4 in the width direction, and therefore, as shown in FIG. 5 can be moved in the arrow C1 direction, and the skeleton 1, and hence the water blocking cover 11 can be moved in the arrow C2 direction. Further, the upper end of the water stop plate 72,
A step portion 77 closer to the base end portion 4c than the step portion 75 closer to the end surface 4c and serving as a joint portion of the second and third cover plates 16 and 17
The bottom end of the water stop plate 72 is fixed to the cover plate.
The bent portion 48 of the 45 is fixed to the end portion 78 of the water blocking cover 11 side by a screw 79. In this way, the water blocking plate 72 is attached to the water blocking cover 11
By providing it between the second packing 71 and the second packing 71, the water stop plate 72 is not exposed in the space 70, and the water stop plate 72 cannot be seen when the lower part of the interval L1 is looked up, thus improving the aesthetics of the ceiling. ing. In addition, at the lower end 4b of the tip of the eaves 4, a so-called stepped step is formed.
Since the water blocking cover 11 is fixed to the stepped portion 75 near the end surface 4a by forming 75 and 77, the work of mounting the water blocking cover 11 can be performed from the outside, and the workability at the time of mounting is improved. It

As another embodiment of the present invention, as shown by the phantom line in FIG. 3, the cover plate 45 is extended to the outer side of the water blocking cover 11 by a distance l5 so that the water blocking cover 11 is in the direction of arrow C1. The roof member 5 may be movable in the direction of arrow C2, and the water blocking cover 11 may be moved to both sides by a distance l4, l.
It may be formed over five.

With the above configuration, as shown in the plan view of FIG. 4, an earthquake occurs when roof members 5a, 5b, 5c are provided between the high-rise building 1a and the low-rise buildings 1b, 1c. Even if, for example, the frames 1a, 1b, 1c and the roof member 5 are indicated by arrows C1a, C2a; C1b,
It is possible to allow the displacement in the C2b; C1c, C2c directions, and to reliably prevent wind and rain from invading the roof member 5 below.

Effect of the Invention According to the present invention, each partition wall 42a to 42c of the water blocking cover 11 is provided.
The first packings 44a to 44c are respectively provided on the inner cover 32 to achieve watertightness and airtightness, and the outer cover 31 and the partition wall 42c of the inner cover 32 are separated from each other, and Since the first and second outside air introduction holes 51, 52 are formed in the partition wall 42b, each of the spaces 53 to 55 can be communicated with the atmosphere, whereby the pressure difference between each of the spaces 53 to 55 and the atmosphere can be reduced. It is possible to prevent the occurrence of the gaps, prevent the gaps between the packings 44a to 44c and the cover plate 45 from occurring, and achieve higher watertightness and airtightness.

Further, according to the present invention, since the water blocking cover 11 is provided on the stepped portion of the lower end 4b of the eaves 4, the water blocking cover 11 can be attached to the stepped portion from the outside, improving workability at the time of mounting. can do.

Further, according to the present invention, since the water blocking plate 72 is provided between the water blocking cover 11 and the second packing 71, the water blocking plate 72 cannot be seen when looking up from below the space L1, and the water blocking plate 72 serves as a ceiling. The aesthetics of can be improved.

[Brief description of drawings]

FIG. 1 is a sectional view showing the basic construction of an embodiment of the present invention,
2 is an enlarged sectional view of the section II of FIG. 1, FIG. 3 is a sectional view showing the canopy 4 in a simplified manner, and FIG. 4 shows a specific operation of the embodiment shown in FIGS. It is a top view for explaining. DESCRIPTION OF SYMBOLS 1 ... Body, 2 ... Outer wall surface, 3 ... Support member, 4 ... Eaves, 5
… Roof members, 10… Rollers, 11… Waterproof covers, 12,44a, 44
b, 44c ... packing, 15 ... drain cover, 51, 52 ... outside air introduction hole, 53-55 ... space

Claims (3)

[Scope of utility model registration request] 1. An eaves 4 is projectingly provided on an outer wall of a skeleton 1.
A roof member 5 is horizontally arranged below the wall surface 2 of the outer wall with a gap L1 therebetween, and a water blocking cover 11 is fixed to a lower end portion 4b of the eaves 4, and the water blocking cover 11 is spaced from each other. The first and second spaces 54, 55 are formed by a plurality of partition walls 42a to 42c that extend downward with a gap.
Is fixed to the lower end portion 4b of the eaves 4 with the third space 53 opened above the inner cover 32 in which the partition wall 42c is formed and the partition wall 42c disposed closest to the end surface 4a side of the eaves 4 among the partition walls 42a to 42c. The roof member 5 has an upper tip portion 8a facing the lower tip portion 4b of the eaves 4 from below, and the upper tip portion 8a has a substantially horizontal flat portion 46.
The first packing 44a that is covered with the cover plate 45 and has the flexibility and elasticity at the lower end portions 43a to 43c of the respective partition walls 42a to 42c and is in contact with the flat portion 46 of the cover plate 45. To 44c are provided respectively, and the lower end of the outer cover 31 and the end surface 4a of the most eaves 4 of the inner cover 32 are provided.
The upper part of the partition wall 42c disposed on the side is vertically spaced apart from each other, and partitions the first space 54 and the second space 55 among the partition walls 42a to 42c and also separates the first space 54 and the third space 54 from each other. The partition wall 42b for partitioning the space 53 has a first outside air introduction hole 51 communicating with the first and third spaces 54, 53 and first and second spaces 54, 55.
And a second outside air introduction hole 52 communicating with the water drainage structure. 2. A step portion is formed on the lower end portion 4b of the eaves 4 closer to the base end portion 4c of the eaves 4 than the end surface 4a of the eaves 4 farthest from the wall surface 2, and the stop portion is formed at this step portion. The draining structure according to claim 1, wherein the water cover 11 is fixed. 3. An end portion 48 of the cover plate 45 on the body 1 side.
Is provided with a second packing 71 which is flexible and elastic and contacts the lower surface 17a of the eaves 4. Between the second packing 71 and the water blocking cover 11, the eaves 4 is provided. 3. The water draining structure according to claim 1, wherein a water blocking plate 72 is provided between the cover plate 45 and the cover plate 45.