JP2956049B2 - Expansion joint cover - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an expansion joint cover which is attached across an inner wall surface, an outer wall surface, a roof surface or the like of two buildings adjacent to each other with a predetermined joint part therebetween and covers the joint part.

[0002]

2. Description of the Related Art In a building made of concrete or the like, an excessive stress is applied to a part of the building due to expansion and contraction due to a temperature change, drying and shrinking of the concrete itself, uneven settlement between buildings, and fluctuation due to an earthquake or a strong wind. May occur. For example, as shown in FIG. 13, in the large and small buildings 1 and 2 provided adjacent to each other, the own weights of the large and small buildings 1 and 2 are different from each other, so that the occurrence of stress due to uneven settlement is expected. And to prevent the generation of the stress,
A flexible connection part called an expansion joint 3 is provided between the two, and the expansion joint 3 is provided.
Thereby, the joint portion 4 is formed. As shown in FIG. 7, an expansion joint 3 is also provided between buildings 6 and 6A constructed on foundations 5 and 5A in different states, and a long building (not shown) in a plane direction. Also, an expansion joint 3 is provided in a building (not shown) having a complicated shape.

[0003] This expansion joint 3
The cover provided at the joint portion 4 is formed so as to not only cover the joint portion 4 but also absorb displacement caused by movement of an adjacent building.
In FIG. 1 and the like of the issue, of the two buildings adjacent to each other with the joint part therebetween, a mounting member fixed to the wall end of one of the buildings,
A connecting rod which is loosely inserted into the mounting member and is movably mounted; a cover plate which is mounted on an outer end of the connecting rod and covers the joint portion; and the cover plate is attached to a wall surface of both buildings. There has been proposed a joint cover provided with a spring for pressing both ends of a cover plate provided with a sealing member to both sides of a wall of both buildings.

[0004]

In the above joint cover,
Since a large number of members are required, it is difficult to reduce product cost. In addition, an attachment member is attached to one building, and an inner plate (column 2, line 18) is attached to the attachment member by a connecting rod. A cover plate is attached to the plate via a screw (column 2, line 19), and when this cover plate is attached, seal materials (column 2, lines 33 to 34) are provided at both ends. ,
There is a problem that installation work is troublesome, and when it is damaged by an earthquake or the like, a large cost is required for replacement. Further, since the sealing material slides on the wall surface, there is also a problem that the sealing material is damaged by repeated sliding and the sealing property is reduced. Further, when the other building relatively shakes with respect to one building (column 3, lines 15 to 17, lines 2 to 17).
Although some displacement can be absorbed, when the inner surface of the inner plate hits a corner of the building, there is a problem that one sealing material (the left side in FIG. 2) rises and a gap is generated. Also,
The cover plate is installed not only to prevent rainwater or the like from entering the joints, but also to cover the joints and adjust the appearance of the building. In the case of a flat surface, there was also a surface where the appearance design was likely to be monotonous.

Accordingly, an object of the present invention is to provide an expansion joint cover which is inexpensive and can absorb a large displacement.

[0006]

According to a first aspect of the present invention, there is provided an expansion joint cover for covering a joint provided between adjacent buildings, wherein the joint comprises a corner of a wall of one of the buildings and the wall. A metal cover plate made of a plate material having a substantially constant thickness, formed between the wall surface of the other building orthogonal to the front surface and a concave portion continuous in the length direction on the front surface and the back surface alternately in the width direction; A fixing member for fixing both ends in the width direction of the plate to the two buildings, respectively, wherein the cover plate has a substantially L-shape, and a plurality of the concave portions are formed on both sides of a corner of the L-shape , respectively. Is what it is.

According to a second aspect of the present invention, there is provided an expansion joint cover for covering a joint provided between adjacent buildings, wherein the joint is formed between inclined wall surfaces constituting a roof of an adjacent building. And a metal cover plate made of a plate having a substantially constant thickness in which concave portions continuous in the length direction are alternately formed on the back surface in the width direction, and fixing members for fixing both widthwise end edges of the cover plate to the buildings. The cover plate has an upper inclined portion inclined to both sides from the center, and a side portion vertically suspended on both lower sides of the upper inclined portion, and a lower edge of the side portion is fixed to the wall surface. Things.

According to a third aspect of the present invention, there is provided an expansion joint cover for covering joints provided between adjacent buildings, wherein concave portions which are continuous in the length direction are formed alternately in the width direction on the front surface and the rear surface and have a substantially constant thickness. A metal cover plate made of a plate material, and a fixing member for fixing both ends in the width direction of the cover plate to the two buildings, respectively, and the concave portion has two fold lines and both sides sandwiching the fold lines. The angle is formed at an acute angle and is enlarged on the other side.

According to a fourth aspect of the present invention, there is provided an expansion joint cover for covering joints provided between adjacent buildings, wherein a metal cover plate having a substantially constant thickness and having a plurality of holes formed therein is provided. A fixing member for fixing both ends in the width direction of the plate to the buildings, and an elastic water blocking plate provided between the cover plate and the joint portion, wherein the fixing member is a joint of the building. A fixing receiving portion fixed to the outer wall surface, and a fixing portion fixed to the fixing receiving portion by a fastening member and an edge of the cover plate is fixed, and the edge of the elastic water blocking plate is It is fixed to a fixed receiving part.

[0010]

According to the construction of the first aspect, when the distance between joints is enlarged or reduced, or the wall surfaces of the building are relatively displaced, the cover plate having a plurality of concave portions on both sides is deformed. To absorb the expansion and contraction and the displacement.

In the structure of the second aspect, when the space between the joints of the roof is expanded or contracted or the distance between the walls of the building is relatively displaced, an upper inclined portion and lower side surfaces on both sides are provided. At the same time, the cover plate having the plurality of concave portions is deformed to absorb the expansion and contraction and the displacement.

According to the third aspect of the present invention, when the distance between the joints is enlarged or reduced, or when the distance between the wall surfaces of the building is relatively displaced, the cover plate having the concave portion that expands to the other side surface is formed. Deforms to absorb the scaling and displacement.

In the structure of the fourth aspect, when the distance between joints is enlarged or reduced, or the distance between the wall surfaces of the building is relatively displaced, the cover plate having a plurality of holes is deformed and deformed. Absorb scaling and displacement. In addition, by elastic water stopping board,
Rainwater and dust passing through the hole are prevented from entering the joint.

[0014]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 shows a first embodiment of the present invention. In FIG. 1, joints 13 are formed between adjacent buildings 11 and 12 made of concrete or the like. A metal cover plate (hereinafter, referred to as a cover plate) 14A covering the joint portion 13 is made of a thin metal plate having a substantially constant thickness such as aluminum, stainless steel, titanium, and iron, and is shown in FIG. The cover plate 14A
Curved concave portions 17, 18 of the same shape are formed alternately in the width direction on the front surface 15 and the rear surface 16 of the cover plate 14, and these concave portions 17, 18 are formed continuously in the length direction of the cover plate 14A.

On both sides in the width direction of the cover plate 14A, the wall surfaces of the buildings 11, 12 are fixed by metal fixing members 19, 19.
The fixing member 19 is fixed to each of 11A and 12A, and includes a fixing portion 20 provided integrally on both sides of the cover plate 14A and a fixing receiving portion 21 for fixing to the wall surfaces 11A and 12A. The fixing portion 20 has a substantially L-shaped cross section integrally including one side piece 22 and the other side piece 23, and has a length equal to the cover plate 14A in the length direction of the joint portion 13. In a factory or the like, in a state where the edge of the cover plate 14A is closely overlapped with the back surface of the one-side piece 22 in advance, the two are fixed with a fastening member 24 such as a bolt, a nut or a rivet, or both are fixed. It is fixed in close contact by welding or the like. The fixed receiving portion 21 has a substantially L-shaped cross section integrally including one side piece 25 and the other side piece 26, and has a length equal to the cover plate 14A in the length direction of the joint portion 13. And a sealing member 27 made of an elastic member such as a flexible synthetic resin or a synthetic rubber is interposed between the back surface of the one-side piece 25 and the wall surfaces 11A and 12A. 28, it is fixed to the wall surfaces 11A, 12A near the corners 11B, 12B of the buildings 11, 12, and the other side piece 23 of the fixed part 20 and the other side piece 26 of the fixed receiving part 21 are fixed to each other. The cover plate 14A is fixed to the joint portion 13 by being fixed in close contact with a fastening member 29 such as a screw, a bolt and a nut. Further, in this example, the joint portion 13 is
It is formed between the corner 11B of A and the wall 12A perpendicular to the wall 11A, and the sides of the cover plate 14A having a substantially L-shape are fixed to the perpendicular walls 11A and 12A. . Then, the space between joints 13 expands or contracts, or the other wall surface
When the 12A moves up and down in the figure, the change in the joint 13 is deformed and absorbed by the cover plate 14A.

Next, the operation of the above structure will be described. If the width in the width direction of the joint portion 13 is widened due to expansion or contraction due to a temperature change of the buildings 11, 12 or an earthquake, etc.
When the cover plate 14A is deformed so as to increase the interval between the recesses 17 and 18 of the 16 and the interval in the width direction of the joint portion 13 is reduced,
Cover plate so that the gap between the recesses 17 and 18 on the backs 15 and 16 is narrowed
14A is deformed, and in any of these cases, only the cover plate 14A main body is deformed, so that the fixing receiving portion 21 does not move or float, and the sealing property of the fixing member 19 is maintained by the sealing member 27. It is. Further, the distance between the joints 13 remains unchanged, and one building 11 is
Are relatively displaced, the recesses 17 on the front and back surfaces 15, 16
The cover plate 14A is deformed so as to widen the interval of 18, and the fixed portion 20 side of the cover plate 14A is bent and deformed.

As described above, in the present embodiment, in the expansion joint cover for covering the joint 13 provided between the adjacent buildings 11 and 12, the joint 13
Is the corner 11B of the wall 11A of one building 11 and the wall 11A.
A metal cover plate made of a substantially constant-thickness plate material formed between the wall surface 12A of the other building 12 orthogonal to A and having concave portions 17 and 18 formed in the front surface 15 and the back surface 16 in the longitudinal direction and continuous with each other. 14
A, and both edges in the width direction of the cover plate 14A are attached to both buildings 11, 11.
The cover plate 14A has a substantially L-shape, and a plurality of recesses 17 and 18 are formed on both sides of the corner of the L-shape. Therefore, when the distance between the joints 13 expands or contracts, or when the wall surfaces 11A and 12A of the buildings 11 and 12 are relatively displaced from each other, a cover plate 14A having a plurality of recesses 17 and 18 formed on both sides. Can be deformed to absorb the scaling and displacement. Since the cover plate 14A itself deforms and absorbs changes in the joints 13 due to the movement of the buildings 11, 12, the number of parts is small, the structure is simple and the cost is low. Installation work is also easy. In addition, the cover plate
Even if 14A is deformed, the fixing member 19 is fixed to the wall surfaces 11A and 12A, so that the sealing member 27 can maintain good sealing properties for a long time without being damaged by sliding or the like. Further, the appearance of the building is not impaired, and the waveform of the cover plate 14A becomes a pattern, so that the design is improved as compared with a conventional flat structure.

As an effect of the embodiment, the fixing member 19
Is composed of the fixing portion 20 and the fixing receiving portion 21, so that the cover plate 14A can be easily replaced by the fastening member 29.

FIG. 2 shows a second embodiment of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted. However, the sloped walls 11A, which constitute the roofs of the adjacent buildings 11, 12,
The cover plate 14B includes an upper inclined portion 32 having both sides of a center folded line portion 31 inclined, and side portions 34 vertically suspended at lower portions of both ends of the upper inclined portion 32 through the folded line portions 33. , 34, and a plate-like fixing portion 20A is attached to the lower edge of the side portion 34.
And a lower portion of the fixing portion 20A is fixed to the fixing receiving portion 21, and the fixing member 19 is fixed by the fixing portion 20A and the fixing receiving portion 21.
Is composed.

As described above, according to the present embodiment, in the expansion joint cover for covering the joint 13 provided between the adjacent buildings 11 and 12, the joint 13
Is formed between the inclined walls 11A and 12A constituting the roofs of the adjacent buildings 11 and 12, and the recesses 17 and 18 which are continuous in the length direction on the front surface 15 and the back surface 16 are alternately formed in the width direction. A metal cover plate 14B made of a plate material having a thickness, and fixing members 19 and 19 for fixing both widthwise edges of the cover plate 14B to both the buildings 11 and 12, respectively, and the cover plate 14B is located on both sides from the center. An upper inclined portion 32 inclined at a right angle and side portions 34, 34 vertically provided on both lower sides of the upper inclined portion 32.
Since the lower edge of 34 is fixed to the wall surfaces 11A and 12A, the space between joints 13 can be enlarged or reduced, or the wall surface of the buildings 11 and 12 can be reduced.
If there is a relative displacement between 11A and 12A, the cover plate 14B formed with the recessed portions 17 and 18 deforms to absorb the expansion and contraction and the displacement. it can. Also, the space between joints 13 may be enlarged or reduced,
When the wall surfaces 11A and 12A are relatively displaced, the change in the joint portion 13 is caused by the deformation of the cover plate 14B and the folding line portions 31 and 33.
It is absorbed by the change of the angle on both sides sandwiching.

FIG. 3 shows a third embodiment of the present invention. The same parts as those in the above embodiments are denoted by the same reference numerals, and detailed description thereof will be omitted. , 16,
Concave portions 17C and 18C which are continuous in the length direction and extend to the other side are formed alternately in the width direction.
Two fold lines 37 are formed corresponding to C, and the angles θ ′ on both sides of the fold line 37 are formed at acute angles.

As described above, in the present embodiment, in the expansion joint cover for covering the joint portion 13 provided between the adjacent buildings 11 and 12, the front surface 15 and the rear surface 16 extend in the length direction according to the third aspect. A metal cover plate 14 made of a plate material having a substantially constant thickness in which continuous concave portions 17C and 18C are alternately formed in the width direction, and both ends in the width direction of the cover plate 14 are connected to both buildings 11,
12 and a fixing member 19 to be fixed to each
18C has two fold lines 37, 37,
Since the angle θ ′ on both sides of the joint plate 13 is formed at an acute angle and enlarged on the other side, the expansion and contraction and displacement of the joint portion 13 are deformed by the expansion and contraction of the recesses 17C and 18C of the cover plate 14. At the same time, it can be absorbed by changing the angle θ ′ on both sides sandwiching the fold line portion 37. In this example, in particular, the angle θ ′ formed on both sides sandwiching the fold line portion 37 is formed at an acute angle, and the plurality of overlapping portions 38 Therefore, it is possible to cope with large enlargement and displacement of the space between the joint portions 13.

FIGS. 4 and 5 show a fourth embodiment of the present invention. The same parts as those in the above embodiments are denoted by the same reference numerals, and detailed description thereof will be omitted. A plurality of holes 41 serving as a pattern are formed in a thin metal plate having a substantially constant thickness, such as aluminum, stainless steel, titanium, and iron, so that the cover plate 14C is configured to be deformable. , Square holes 41 are arranged in a zigzag pattern. Although the upper and lower holes 41 are omitted in FIG. 5, the holes 41 are provided over the entire length of the cover plate 14C. An elastic water stop plate 42 made of an elastic material such as rubber is provided between the back surface 16 of the cover plate 14C and the joint portion 13, and both edges of the elastic water stop plate 42 are fixed to the fixed receiving plate. The part 21 is adhered to the surface of the one side piece 25 or fastened by the anchor bolt 28 to be fixed in a close contact state. The elastic water-stop plate 42 is wider than the width of the joint portion 13, and the water-stop plate 42 is matte with a dark color such as black. As is apparent from FIG. 4, the fixed receiving portion 21 is provided on the wall surface 11 outside the joint portion 13.
A, fixed to 12A.

When the space in the width direction of the joint portion 13 is reduced, a hole 41 is formed so that the cover plate 14C can be deformed as shown by a dashed line in FIG. Curved deformation to the side, the fixing member 19 is not damaged, on the other hand, when the width of the joint portion 13 in the width direction is widened, the cover plate 14C is elastically deformed so that the hole 41 is widened in the width direction. If the fixing member 19 is greatly expanded, it is plastically deformed, so that the fixing member 19 is not damaged. Also, when the movement of increasing the distance between the joint portions 13 shown by the arrow Y in FIG. 12 and the movement of the wall surfaces 11A and 12A in the opposite directions shown by the arrow Y 'occur at the same time, the cover plate 14C is elastically deformed and further plastically deformed. By doing so, the fixing member 19 is not damaged.

As described above, according to the present embodiment, in the expansion joint cover for covering the joint 13 provided between the adjacent buildings 11 and 12, a plurality of holes 41 are provided.
Cover plate made of plate material with almost constant thickness
14C and both edges of this cover plate 14C in the width direction
Fixing members 19, 19 to be fixed to 1 and 12, respectively, and cover plate 1
An elastic water stop plate 42 is provided between the joint 4C and the joint portion 13. The fixing member 19 is a wall surface outside the joint portion 13 of the buildings 11, 12.
A fixed receiving portion 21 fixed to 11A, 12A and a fixed portion 20 fixed to the fixed receiving portion 21 by a fastening member 29 and an edge of the cover plate 14C are fixed. Fixing edge
Since it is fixed to 21, if the distance between joints 13 expands or contracts, or if the wall surfaces 11A, 12A of the buildings 11, 12 are relatively displaced, a cover with a plurality of holes 41 is formed. Board
14C can be deformed to absorb the expansion and contraction and the displacement. In particular, even when the cover plate 14C of this embodiment is enlarged and displaced simultaneously, the cover plate 14C is elastically deformed and further plastically deformed. Damage to the fixing member 19 can be prevented. In addition, rainwater and dust passing through the hole 41 are prevented from entering the joint portion 13 by the elastic water blocking plate 42, and the water blocking plate 42 on the back side can be seen through the hole 41. Due to this, the depth of the joint portion 13 is not visible, and conversely, the hole 41
The appearance of the cover plate 14C is rich in unprecedented changes due to the pattern formed, and the design is improved.

Further, as an effect of the embodiment, the use of the water-stop plate 42 which has been subjected to matte processing with a dark color such as black,
The water stop plate 42 behind the hole 41 does not stand out.

The present invention is not limited to the above embodiment, and various modifications can be made within the scope of the present invention. For example, the material of the cover plate is not limited to the embodiment as long as it is metal. Further, the color of the cover plate can be appropriately selected. If the cover plate is formed of a color aluminum plate, a desired color can be obtained. Further, the shape of the hole is not limited to a square, but can be appropriately selected such as a circle, a rhombus, and a polygon.

[0028]

According to the first aspect of the present invention, there is provided an expansion joint cover for covering a joint portion provided between adjacent buildings, wherein the joint portion is a corner portion of a wall surface of one building and the other is perpendicular to the wall surface. A metal cover plate made of a plate material of approximately constant thickness, formed between the wall surface of the building and formed in the front and rear surfaces with concave portions continuous in the length direction alternately in the width direction, and the width direction of the cover plate Fixing members for fixing both end edges to the buildings, respectively, wherein the cover plate is substantially L
The expansion joint cover is formed in a letter shape and has a plurality of the concave portions formed on both sides of the corner portion of the L-shape , and can provide an inexpensive expansion joint cover that can absorb the displacement of the joint portion. .

According to a second aspect of the present invention, in the expansion joint cover for covering a joint provided between adjacent buildings, the joint is formed between inclined wall surfaces constituting a roof of the adjacent building. And a metal cover plate made of a plate having a substantially constant thickness in which concave portions continuous in the length direction are alternately formed on the back surface in the width direction, and fixing members for fixing both widthwise end edges of the cover plate to the buildings. The cover plate has an upper inclined portion inclined to both sides from the center, and a side portion vertically suspended on both lower sides of the upper inclined portion, and a lower edge of the side portion is fixed to the wall surface. Therefore, it is possible to provide an expansion joint cover which is inexpensive and can absorb displacement of the joint portion.

According to a third aspect of the present invention, there is provided an expansion joint cover for covering joints provided between adjacent buildings, wherein recesses which are continuous in the length direction are formed alternately in the width direction on the front surface and the back surface. A metal cover plate made of a plate material, and a fixing member for fixing both ends in the width direction of the cover plate to the two buildings, respectively, and the concave portion has two fold lines and both sides sandwiching the fold lines. The expansion joint cover is formed at an acute angle and is enlarged on the other side surface, so that it is possible to provide an expansion joint cover which is inexpensive and can absorb displacement of joints.

According to a fourth aspect of the present invention, there is provided an expansion joint cover for covering joints provided between adjacent buildings, wherein a metal cover plate made of a plate material having a substantially constant thickness and having a plurality of holes formed therein is provided. A fixing member for fixing both ends in the width direction of the plate to the buildings, and an elastic water blocking plate provided between the cover plate and the joint portion, wherein the fixing member is a joint of the building. A fixing receiving portion fixed to the outer wall surface, and a fixing portion fixed to the fixing receiving portion by a fastening member and an edge of the cover plate is fixed, and the edge of the elastic water blocking plate is It is possible to provide an expansion joint cover which is fixed to the fixing receiving portion and is inexpensive and capable of absorbing displacement of the joint portion.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a first embodiment of the present invention.

FIG. 2 is a sectional view showing a second embodiment of the present invention.

FIG. 3 is a sectional view showing a third embodiment of the present invention.

FIG. 4 is a sectional view showing a fourth embodiment of the present invention.

FIG. 5 is a front view showing a fourth embodiment of the present invention.

FIG. 6 is a perspective view showing a joint of a building.

FIG. 7 is a perspective view in which a part of a joint of a building is shown in section.

[Explanation of symbols]

 11 12 Building 11A 12A Wall 11B Corner 13 Joint 13 14A 14B 14C Cover plate 15 Front 16 Back 17 17C Concave 18 18C Concave 19 Fixed member 20 Fixed part 21 Fixed receiving part 29 Fastening member 32 Upper inclined part 34 Side part 41 hole θ´ angle

Claims (4)

(57) [Claims] 1. An expansion joint cover for covering a joint portion provided between adjacent buildings, wherein the joint portion is formed between a corner of a wall surface of one building and a wall surface of another building orthogonal to the wall surface. A metal cover plate formed of a plate material having a substantially constant thickness formed between the front and back surfaces and formed with recesses continuous in the length direction alternately in the width direction, and both ends in the width direction of the cover plate in the two buildings. And a fixing member for fixing the cover plate, the cover plate is substantially L-shaped,
An expansion joint cover, wherein a plurality of the concave portions are formed on both sides of the L-shaped corner , respectively. 2. An expansion joint cover for covering a joint portion provided between adjacent buildings, wherein the joint portion is formed between inclined wall surfaces constituting a roof of the adjacent building, and has a length on the front surface and the back surface. A metal cover plate made of a plate material having a substantially constant thickness in which concave portions continuous in the direction are alternately formed in the width direction, and a fixing member for fixing both widthwise end edges of the cover plate to the two buildings, The cover plate has an upper inclined portion inclined to both sides from the center, and a side surface portion vertically suspended on both lower sides of the upper inclined portion, and a lower edge of the side surface portion is fixed to the wall surface. Expansion joint cover. 3. An expansion joint cover for covering joints provided between adjacent buildings, wherein the front and rear surfaces are formed of a plate material having a substantially constant thickness and having recesses continuous in the length direction alternately formed in the width direction. A cover plate and fixing members for fixing both widthwise edges of the cover plate to the two buildings, respectively, wherein the concave portion has two fold lines, and the angles on both sides sandwiching the fold lines are formed at acute angles. An expansion joint cover which is formed so as to be enlarged on the other side. 4. An expansion joint cover for covering joints provided between adjacent buildings, a metal cover plate having a substantially constant thickness and having a plurality of holes formed therein, and both ends in the width direction of the cover plate. A fixing member for fixing an edge to each of the two buildings, and an elastic water blocking plate provided between the cover plate and the joint portion, wherein the fixing member is provided on a wall surface outside the joint portion of the building. A fixing receiving portion to be fixed, and a fixing portion fixed to the fixing receiving portion by a fastening member and an edge of the cover plate is fixed, and an edge of the elastic water blocking plate is fixed to the fixing receiving portion. An expansion joint cover characterized by the following.