JP2581575Y2 - Drainage structure of expansion joint device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drainage structure of an expansion joint device provided between two adjacent buildings with a space therebetween, and more particularly, to water flowing down a water stop plate provided in an expansion joint device. For collecting water and discharging it to the outside.

[0002]

2. Description of the Related Art An expansion joint device is provided between two buildings adjacent to each other with a space therebetween so that even if the distance between the buildings is relatively displaced due to an earthquake or uneven settlement of the ground, the displacement is reduced. It allows and blocks the invasion of wind and rain from outside into the space. Such an expansion joint device includes an edge member fixed to each frame, a cover plate provided between the edge members, and a stopper provided inside the cover plate and made of a flexible material such as rubber. A water collecting plate is provided at a lower end of the water stopping plate disposed near the ground so that water flowing down the water stopping plate is collected and discharged to the outside. It is configured.

[0003]

In the prior art, when the cover plate is provided along the outer surface of each building, the water in the catchment basin flowing along the water stop plate is covered. In order to discharge to the outside from the plate, a drain hole that opens to the outside must be formed on the side wall of the catchment basin. It takes a lot of time and effort to get in and remove soil and debris in the catchment frame. In addition, when the water collecting frame is viewed from the outside, there is a problem that the aesthetic appearance of the design is deteriorated because the drain holes are exposed.

[0004] Therefore, an object of the present invention is to prevent the intrusion of earth and sand and dirt into the catchment basin, to smoothly drain the water without exposing the drainage hole to the outside, and to improve the design appearance. It is an object of the present invention to provide a drainage structure of an expansion joint device which can be used.

[0005]

SUMMARY OF THE INVENTION The present invention is directed to a cover plate disposed along each outer surface of two adjacent frames with a space therebetween, and a water stop disposed inward of the cover plate. And a drainage structure of the expansion joint device for collecting water flowing down the water stop plate into the water collecting basin and discharging the water to the outside from the drainage hole, wherein the water collecting basin faces upward. And a hollow water collecting basin main body in which an insertion port into which the lower end portion of the water stop plate is inserted and the drainage hole are formed, and a support for supporting the main body. A drainage structure of the expansion joint device, wherein the drainage structure is formed to be retracted inward from the drainage hole.

[0006]

According to the present invention, two skeletons are provided adjacent to each other with a space therebetween, and a cover plate is provided between the skeletons along each outer surface. A water-stop plate is provided inside the cover plate, and rainwater and dew inside the water that could not be completely blocked by the cover plate flow down the water-stop plate along the water-stop plate. This catchment basin has a catchment basin main body and a support for supporting the main body, and the main body has an insertion port into which the lower end of the water stop plate is inserted, and a water flowing down the water stop plate. And a drain hole for discharging the drained water to the outside is formed. Such a drain hole is provided outside the support, so that the drain hole can be formed not at the side wall facing the outside of the catchment basin body but at the bottom.
Therefore, the drain hole will not be exposed to the outside,
The water that has flowed down the water stoppage plate can be smoothly and reliably discharged to the outside without deteriorating the aesthetic appearance of the design.

[0007]

1 is a vertical sectional view showing a drainage structure of an expansion joint according to an embodiment of the present invention. FIG. 2 is a sectional view taken along a line I in FIG.
It is the horizontal sectional view seen from I-II. The outer walls 1a and 1b of the two buildings, which are the skeletons, are provided apart from each other with a space 3 therebetween. In order to prevent wind and rain from entering the inside 4 of the space 3 from the outside 5, An expansion joint device 6 is provided between 1a and 1b.

The expansion joint device 6 basically includes an aluminum cover plate 8 disposed along outer surfaces 7a and 7b facing the outside 5 of each of the outer walls 1a and 1b, and an inner 4 Water stop plate 9 made of a material having flexibility and resilience such as rubber, a fireproof zone 10 arranged on the inside 4 side of the water stop plate 9, and each outer wall 1a, 1b. Aluminum edge material 1 to be fixed respectively
1a and 11b.

Each of the edge members 11a and 11b has a guide surface 14 which is inclined in a direction away from each other as it approaches the outside 5.
a, 14b, and when the buildings including the outer walls 1a, 1b are displaced toward or away from each other due to a sudden earthquake or uneven settlement of the ground, the cover plate 8 is moved to the outside 5 or the inside 4 side. It is configured to be able to guide and allow relative displacement of each frame.

Under the expansion joint device 6, rainwater which could not be completely blocked by the cover plate 8 or water flowing down the water stop plate 9 due to condensation on the surface of the water stop plate 9 is collected. Then, a water collecting basin 13 for discharging to the outside 5 side is provided. The structure of the catchment basin 13 will be described below.

FIG. 3 is a perspective view of the water collecting basin body 15 with a cutaway front side, and FIG. 4 is a front view of the water collecting basin 13 viewed from the vicinity of the outside 5 with the cover plate 8 omitted.
Referring also to FIGS. 1 and 2, the water collecting basin 13 is a hollow water collecting basin main body that opens upward and has an insertion opening 17 into which the lower end portion 16 of the water blocking plate 9 is inserted. 15 and a support 21 fixed to the mounting surface 19 by the anchor bolt 20 and on which the main body 15 is mounted.

The main body 15 is made of aluminum and includes a top plate 23 in which the insertion opening 17 is formed, and a main body 15.
A bottom plate 24 having a drainage gradient inclined downward from the inside 4 toward the outside 5 in a state where the bottom plate 24 is located at a predetermined mounting position, and four side plates 25a to 25d connected to peripheral portions of the top plate 23 and the bottom plate 24; An attachment piece 26 having an L-shaped cross section fixed to the bottom plate 24 by, for example, spot welding or the like.

A water return portion 27 which rises substantially at a right angle upward is formed on a peripheral piece on the outer side 5 facing the insertion opening 17 of the top plate 23, and the remaining peripheral edge facing the insertion opening 17 is the internal space 2.
A falling portion 29 that falls at substantially a right angle toward 8 is formed. The lower end portion 16 of the water stop plate 9 is fixed to the top plate 23 by a holding piece 30, inserted into the internal space 28 through the insertion port 17, and allows water flowing down along the surface of the water stop plate 9 from above to flow into the internal space 28. 28. The water flowing into the internal space 28 is discharged to the outside from a plurality of drain holes 31 formed near the outside 5 of the bottom plate 24, that is, near the base of the side plate 25 a facing the outside 5.

In order not to hinder the drainage from the drain hole 31, the support 21 is formed to retreat toward the inside 4, whereby the water drained from the drain hole 31 moves upward from the mounting surface 19. The water is smoothly discharged to the outside 5 side from the rising water return portion 33 (see FIG. 1). In order to prevent the drain holes 31 from being clogged, a baffle plate 34 is provided above each of the drain holes 31, and the drain holes 31 are blocked by dirt and dust that have flowed into the internal space 28 together with water and the like. It is configured so that it does not end up.

The mounting piece 26 is fixed to the support 21 from the outside by screws 35, and a concave groove 36 formed between the bottom plate 24 and the upper surface of the rising portion 33 on the outside of the screws 35.
Inside, a backup material 37 and a seal material 38 are provided to reliably prevent the water discharged from the drain hole 31 from flowing into the inside. Since the main body 15 is provided via the support body 21 in this manner, it is not necessary to form an opening such as a screw hole in the main body, and the watertightness is improved and the main body 15 can be easily positioned. Can be.

An attachment piece 41 having an L-shaped cross section is fixed to the inside 4 of the support 21 by an anchor bolt 40, and the lower end 43 of the fireproof belt 10 is mounted on the attachment piece 41.
Are mounted, and are fixed in a state of being pressed by the pressing pieces 44. By fixing the lower end portions 16 and 43 of the fireproof zone 10 and the water stop plate 9 in this manner, there is no possibility that the lower end portions 16 and 43 will be turned up by wind or an earthquake, and they can be securely attached. State can be maintained.

FIG. 5 is a horizontal sectional view showing a specific structure of the expansion joint device 6, and FIG. 6 is a front view of a part of the expansion joint device 6 viewed from the outside 5 side. The cover plate 8 has a holder 45 having a substantially C-shaped cross section on the inside 4 side.
Are fixed at intervals in the vertical direction (perpendicular to the plane of FIG. 5). Also, on each outer wall 1a, 1b, the edge material 11a,
11b, the bracket 47a is partially overlapped with the bracket 47a,
47b are fixed respectively. These brackets 47
For a and 47b, for example, galvanized steel sheets are used.
Spring retaining pieces 48a, 48b are fixed to the ends of the brackets 47a, 47b near the inside 4 respectively. At the center in the longitudinal direction of the holder 45, spring retaining pieces 49a and 49b are fixed back to back. Each spring retaining piece 4
9a and 49b, the ends of the tension coil springs 50a and 50b are respectively locked at different positions in the vertical direction, and the respective tension coil springs 50a and 48b are locked to the respective spring locking pieces 48a and 48b.
The other ends of the a and 50b are locked.

Accordingly, the cover plate 8 and the holder 45 are resiliently urged toward the inside 4 by the tension coil springs 50a and 50b, and are also urged in the vertical direction. Position, the outer walls 1a and 1b relatively approach or move away from each other in a horizontal plane, and are displaced in a direction causing a shift in the front-rear direction (vertical direction in FIG. 5). The holder 45 can be biased inward. In addition, even if each outer wall 1a, 1b is displaced in the vertical direction,
The cover plate 8 and the holder 45 can be held at an intermediate position between the relative displacement amounts a and 1b.

As shown in FIG. 7, sliders 51a and 51b are provided near both ends of the holder 45, as shown in FIG.
Are respectively inserted, and each slider 51a, 51b is connected to the brackets 47a, 47b by bolts 53a, 53b.
Pantograph mechanisms 54a, 54 respectively attached to
b. These pantograph mechanisms 54a, 5
Even if the outer walls 1a, 1b are displaced in the front-rear direction while moving toward / away from each other due to the respective sliders 51a, 51b.
b slides inside the holder 45, and both ends of the holder 45 can be drawn inward.

Each of the edge members 11a and 11b and the bracket 4
Sealing materials 56a, 56b are formed in the grooves 55a, 55b where the grooves 7a, 47b overlap, and the grooves 58a, 57a, 57b formed by holding members 57a, 57b for holding both ends in the width direction of the water blocking plate 9. 58b includes sealing materials 59a and 5
9b is cast. In this way, the occurrence of a gap between the outer 5 side and the inner 4 side of the water blocking plate 9 is reliably prevented, and the watertightness is improved. Therefore, most of the wind and rain sprayed from the outside 5 is blocked by the cover plate 8, but rain water or a cover plate 8 and a water stop plate 9 which have entered through a slight gap between the cover plate 8 and each of the edge members 11 a and 11 b. All the water condensed between the water collecting basin 1 and the surface facing the outside 5 of the water stop plate 9
3 and collected from the drain hole 31 to the outside 5 as described above.
Is discharged to

FIG. 8 shows a catchment basin 13 according to another embodiment of the present invention.
It is a vertical sectional view showing a and its vicinity. In the above-described embodiment, the cover plate 8 is disposed on the main body 15 of the catchment basin 13, whereas in the present embodiment, the cover plate 8 is disposed in front of the main body 15, that is, on the outside 5 side. As a result, the main body 15 of the catchment basin 13a is not exposed in appearance, and the existence of the catchment basin 13a is not actually recognized, and the aesthetic appearance of the design is improved. The reason why the water collecting basin 13a is covered with the cover plate 8 in this manner is that the water collecting basin 13a is not installed on the road surface, but is installed on an outer wall 61 extending above the road surface and passes on the road. This is because it is arranged at a position that is easy for a pedestrian to see.

In this embodiment as well, the catchment basin 13a comprises a catchment basin body 15 and a support 21 for supporting the body 15, and the bottom plate 24 of the body 15 is Also, a drain hole 31a is formed on the outside so that water collected in the main body does not enter the inside 4 side. Further, an insertion port 17a is formed in the main body 15, and the lower end portion 16 of the water stop plate 19 is inserted into the internal space 28 of the main body 15 from the insertion port 17a, and water generated on the outside 5 side of the water stop plate 19 is formed. Is securely collected in the internal space 28, the lower end 16 of the water stop plate 19 is fixed to the main body 15 by the holding piece 30, and the lower end 44 of the fire-resistant zone 10 is directly connected to the outer wall 61 by the fire-resistant putty 64. It is fixed to the upper surface 65. As a result, it is possible to reliably prevent the water stop plate 9 and the refractory zone 10 from coming off and generating a gap.

[0023]

As described above, according to the present invention, since the support is provided so as to be retracted inward from the drain hole formed in the catchment basin main body, a position where the drain hole is not exposed to the outside is provided. For example, it can be formed at a position facing downward, such as the bottom of the main body, whereby the aesthetic appearance of the design can be improved. In addition, since the main body is supported by the support, it is not necessary to form an opening for inserting components such as screws and bolts to fix the main body to the frame, and thus the water collected in the main body is eliminated. Leakage can be reliably eliminated, and watertightness can be improved. In addition, since the catchment basin main body is installed at a mounting position such as a road surface via a support, the mounting work is easy and the positioning can be performed with high accuracy.

[Brief description of the drawings]

FIG. 1 is a vertical sectional view showing a drainage basin body 15 and its vicinity showing a drainage structure of an expansion joint device according to an embodiment of the present invention.

FIG. 2 is a horizontal sectional view taken along the line II-II of FIG. 1;

FIG. 3 is a cross-sectional view of a part of the catchment basin body 15 cut away.

FIG. 4 is a front view of the vicinity of a catchment basin 13 viewed from the right side of FIG.

FIG. 5 is a horizontal sectional view showing a specific configuration of the expansion joint device 6.

6 is a partial front view of the vicinity of a holder 45 of the expansion joint device 6 shown in FIG.

FIG. 7 is a sectional view taken along section line VII-VII in FIG. 5;

FIG. 8 is a vertical sectional view of a catchment basin 13a and its vicinity according to another embodiment of the present invention.

[Explanation of symbols]

 1a,. 1b Outer wall 3 Space 4 Inner 5 Outer 6 Expansion joint device 7a, 7b Outer wall surface 8 Cover plate 9 Water stop plate 10 Fireproof zone 11a, 11b Edge material 13, 13a Water collecting basin 15 Water collecting basin main body 16, 43 Lower end 17 Insert Mouth 21 Support 28 Internal space 31, 31a Drainage hole 38; 56a, 56b; 59a, 59b Seal material 45 Holder 50a, 50b Tension coil spring 54a, 54b Pantograph mechanism

Claims (1)

(57) [Scope of request for utility model registration] 1. A water stoppage, comprising: a cover plate disposed along each outer surface of two adjacent frame members with a space therebetween; and a water stop plate disposed inside the cover plate. In the drainage structure of the expansion joint device, which collects water flowing down the plate into the water collecting basin and discharges the water to the outside from the drain hole, the water collecting basin is opened facing upward, and a lower end portion of the water stop plate is provided. A hollow collecting basin main body in which an insertion port into which the water is inserted and the drainage hole are formed, and a support for supporting the main body, wherein the support retracts inward from the drainage hole of the main body. A drainage structure for an expansion joint device, wherein the drainage structure is formed as follows.