JPH047782B2 - - Google Patents

Description

Detailed Description of the Invention (Industrial Application Field) This invention applies to roof-to-roof (parapet-to-parapet) constructions of adjacent concrete frame buildings.
and regarding an expansion joint installed between the roof and the wall.

(Prior Art) Conventionally, as shown in FIGS. 10 and 11, this type of expansion joint has been used to connect parapets P1 and P2 of adjacent buildings or between parapets P1 and wall W. To integrally cover the interval T and the top of the parapet P, the distances H1 and H2 between them are large, and there is also a problem with the mounting strength against wind pressure, etc. Therefore, as shown in the figure, the fixing members 101, 102 is attached to the top of the parapets P1 and P2, and the draining member 103 is attached to the fixing member 101,
Cover members 104 and 105 were attached between the drain member 103 or between the drain member 103 and the fixing member 102 via spring members 106 and 107.

(Problem to be Solved) Therefore, in this conventional structure, the shielding body is divided into the draining member 103 and the cover members 104, 105, which increases the number of members and complicates the structure. , special consideration must be given to the problem of rain closure, and the cover member 10
4, 105 and the engagement of the spring members 106, 107;
Furthermore, the spring members 106 and 107 and the fixed member 1
The state of engagement with 01 and 102 was not necessarily reliable.

(Means for Solving the Problems) The present invention has been made to solve the above-mentioned conventional problems, and the cover portion is integrally formed without being divided, and the structure is simple and the engagement of the cover member is easy. The purpose is to provide an expansion joint reliably, and its gist is that it is an expansion joint that covers the space between the frames of adjacent buildings in a shielding manner. A cover member along the wall surface of the building frame, and a locking member having an elongated sliding hole extending between the building blocks on the lower side of the cover member are attached together with a support member through an elastic member using mounting bolts. At the same time, a locking member is provided in a pressing manner and slidably on the frame side or the support member side, and a cover receiving member is interposed between the support members and the cover member, and The cover receiving member is located in an expansion joint that supports the cover member and is configured to be movable integrally with the locking member.

(First Embodiment) Next, the first embodiment of the present invention will be described in FIGS. 1 to 3.
To explain according to the diagram, 1 in the diagram is an expansion joint between the roofs of adjacent buildings, for example, between the parapets P1 and P2 formed on the roof of the building, and the T between them is covered in a shielding manner. (hereinafter simply referred to as joint), and this joint 1
It is composed of a pair of supporting members 3, a locking member 4, a spring member 10 as an elastic member, a cover member 7, and a cover receiving member 8. Note that this first embodiment is particularly designed to deal with the movement of the parapets P1 and P2 in the left-right direction.

2 is a water stop plate 2 installed along the upper surface of the parapets P1 and P2 and made of synthetic resin, synthetic rubber, etc.
6 is attached, and is formed into a long plate shape on which the supporting member 3 can be placed, and a groove portion 2a into which the water stop plate 26 is fitted along the longitudinal direction of one edge thereof. The mounting member 2 is also provided with holes 2b at predetermined intervals through which mounting bolts 9 are inserted in order to attach the support members 3 at predetermined intervals.

Reference numeral 3 denotes a pair of supporting members, which are made by extruding a light alloy material such as aluminum, for example.
It is arranged oppositely at a predetermined interval on the water stop plate mounting member 2 attached to the upper surface of the parapets P1 and P3, and has a horizontal web 3a and left and right leg pieces 3b.
As a result, the web 3a has a substantially U-shaped cross section with a groove 3c, and an insertion hole 3d for a mounting bolt 9 is provided through the web 3a approximately at the center thereof.

Reference numeral 4 denotes a locking member, which is suspended horizontally between the left and right support members 2, and this locking member 4 is composed of a holder base material 5 and left and right locking holders 6.

Reference numeral 5 denotes the above-mentioned holder base material, which has a length that can be hung horizontally between the support members 2, and its cross-sectional shape includes a web 5a and lips 5c on both sides of the web 5a.
A side edge 5b having a hook-shaped cross section is formed and has a substantially C-shaped cross section with a lip groove 5d, and a locking protrusion 5e is provided protruding from the lower surface of the lip 5c in the longitudinal direction. Further, an elongated hole 5f having a predetermined length is provided along the center line of the web 5a. The locking holder 6 is attached to both sides of the holder base material 5 by fitting into the lip grooves 5d, and is formed in a symmetrical shape, and the locking holder 6 is fitted into the lip grooves 5d of the holder base material 5. A mounting piece 6a to be attached and a diagonal leg piece 6 whose lower end opens outward.
b are integrally provided, and a plurality of locking protrusions 6c having a substantially mountain-shaped cross section are formed on the upper surface of the mounting piece 6a to firmly fit into the lip groove 5d.
The holder base material 5 and locking holder 6 formed in this way are attached to the width of the cover member 7 by adjusting the amount of insertion of the mounting piece 6a of the locking holder 6 into the lip groove 5d of the holder base material 5. Adjustable in length. Note that the holder base material 5 and the locking holder 6 are coupled by their locking protrusions 5e and locking protrusions 6c being engaged with each other in a biting manner.

Reference numeral 7 denotes a cover member, which is made of a light alloy material such as aluminum or stainless steel, and in its cross section, 7a is a top plate formed in the shape of a mountain that slopes downward at a predetermined angle to both sides in the figure. In addition, a side plate 7b is integrally formed with a width that allows the tops of both parapets P1 and P2 to be shielded, and has a predetermined length at both ends, and elasticity is imparted to this side plate 7b. Projecting pieces 7c that project inward from each other are formed at the lower ends of these side plates 7b.

Reference numeral 8 denotes a cover receiving member, which is horizontally suspended between the supporting members 3 and supports the cover member 7, and is made of steel, stainless steel, or a tilted alloy such as aluminum, and has a vertical supporting piece. 8a
and a horizontal mounting piece 8b, and the supporting piece 8a has a chevron-shaped shape as shown in the figure, following the lower surface of the top plate 7a in order to abut and support the lower surface of the top plate 7a of the cover member 7. The slanted edge is notched to form a top support portion 8c.
and left and right side support portions 8d are formed. Further, a long slot 8e is provided along the center line of the mounting piece 8b.

The support member 3 thus formed is a parapet P.
1, P2 is placed on a predetermined position of the water stop plate mounting member 2, and a locking member 4 is mounted between the supporting members 3 as shown in the figure.
Furthermore, a cover receiving member 8 is horizontally suspended between the upper portions of the supporting member 3, and a mounting bolt 9 is inserted from above into the elongated hole 8e and the insertion hole 3c. and the web 3 of the support member 3
A coil-shaped spring member 10 having a predetermined set pressure is interposed between a and the locking member 4, and a mounting bolt 9 is inserted therethrough, and the mounting bolt 9 is inserted into the long hole of the locking member 4. 5f and hole 2 of water stop plate mounting member 2
b, and the parapets P1 and P2 are fixed thereto. In this state, the locking member 4 is attached to the mounting bolt 9.
The cover receiving member 8 is also slidably attached to the mounting bolt 9 through the elongated hole 8e. Further, the lower end portions of the leg pieces 6b of the locking holder 6 of the locking member 4 are positioned to the sides of the parapets P1 and P2. When the cover member 7 is pressed so as to cover each of the locking members 4 and the cover receiving member 8 horizontally suspended between the support members 3 in this way, the protruding piece 7c of the cover member 7 locks each of the locking members 4. The side plate 7b is elastically expanded by sliding contact with the holder 6, and when pressed further, the protruding piece 7c is engaged with the lower end of each leg piece 6b, and at the same time, the lower surface of the top plate 7a of the cover member 7 is connected to the cover receiving member. The cover member 7 is held in contact with and supported by each of the top support portions 8c and side support portions 8d of 8,
The tops of the parapets P1, P2 and the gap T are integrally covered by the cover member 7, and the sides of the parapets P1, P2 and the locking holder 6
The distance between the leg piece 6c (the side plate 7b of the cover member 7) is set to a distance that can accommodate the displacement of the parapets P1 and P2 in the left-right direction.

In addition, in the figure, 11 is a shielding member formed integrally with or separately from the water stop plate mounting member 2 and mounted on the parapets P1 and P2 to prevent wind and rain from blowing in from below; 12 is an airtight member; 13 is a waterproof sheet made of synthetic resin or synthetic rubber that is pasted on the parapets P1 and P2.

Next, the effects of the first embodiment configured as described above will be explained.

Now, the joint 1 in this example is to cover the gap T between the parapets P1 and P2 formed on the roofs of adjacent buildings in a shielding manner. There is a cover member 7 along the lower side of the cover member 7, and an elongated sliding hole 5f spanning between the parapets P1 and P2.
The locking member 4 is attached to the support member 3 through the spring member 10 with the mounting bolt 9, and the locking member 4 is provided in a pressing manner and slidably on the parapet P1, P2 side. A cover receiving member 8 is interposed between the support member 3 and the cover member 7 to support the cover member 7 in abutment and has a sliding hole 8e that allows the cover member 7 to slide against the mounting bolt 9. It is. Therefore, if a relative displacement occurs in the left-right direction between the parapets P1 and P2, since the locking member 4 is attached via its sliding hole 5f and the spring member 10, the support member 3 and the attachment The cover receiving member 8 interposed between the cover member 7 and the support member 3 is also free relative to the support member 3 and the mounting bolts 9. Even if the parapets P1 and P2 are displaced in the left-right direction, the engagement state between the locking member 4 and the cover member 7 is maintained, and the engagement state is maintained.
1 and P2 are displaced, and the cover member 7 is held in a state covering the gap T and the tops of both parapets P1 and P2. In addition, since the cover member 7 is configured to be abutted and supported by the cover receiving member 8, even if the cover member 7 is wide and long, it is free from distortion, twisting, etc. due to the relative displacement of the parapets P1 and P2. This can be prevented by the cover receiving member 8. In addition, since the cover member 7 integrally covers the gap T and the tops of the parapets P1 and P2, there is no need to take special consideration to rain protection as in the conventional case.
The side plates 7b of the cover member 7 are provided with parapets P1 and P2.
Since the cover member 7 hangs down to the inside side, rainwater can be drained sufficiently, and since the cover member 7 is attached by pressing from above each locking member 4 to elastically engage it, the installation work is easy. It has many features such as being able to perform the process extremely labor-savingly, and since it does not require fastening members such as screws, it can improve rain protection and appearance. In addition, in this first embodiment, especially the parapets P1 and P2
Although the configuration has been exemplified to deal with relative displacement in the horizontal direction of This can be solved by interposing a coiled spring member 10A between the member 8 and the mounting piece 8b, and the operations of each member in this case are the same as in the first embodiment.

(Second Embodiment) Next, FIG. 5 shows a second embodiment of the present invention, in which the roof (parapet) P1 of a building is connected to the wall frame W of an adjacent building. A joint 14 is provided between the support members 15, 16, the locking member 17, and the joint 14 to shield the gap T and the top of the parapet P1.
It is composed of a spring member 10, a cover member 20, and a cover receiving member 21. This support member 1
5 is formed in the same shape as the support member 3 of the first embodiment. Further, the support member 16 is fixed to the wall W in correspondence with the support member 15, and the shape of the support member 16 includes an attachment piece 16a attached along the wall W and an upper end of the attachment piece 16a. A protruding piece 16b that protrudes in a hook shape toward the outdoor side is formed, and a supporting piece 16c of the cover member 20 is formed protrudingly at a predetermined position in the middle of the mounting piece 16a. A substantially U-shaped support portion 16d of the locking member 17 facing the support member 15 is formed on the side. The support member 16 formed in this manner is disposed at a predetermined position on the wall W in correspondence with the support member 15. Further, the locking member 17 is composed of a holder base material 18 and a locking holder 19 fitted to one end of the holder base material 18, and the holder base material 18 and the locking holder 19 are similar to those of the first embodiment. A long hole 18f, which is formed in substantially the same shape as the holder base material 5 and the locking holder 6, and which is slightly shorter than the sliding hole 5f, is provided at the end of the web 18a on the left side of the holder base material 18 in the drawing. The cover member 20 is made of the same material as in the first embodiment and is elongated, and in its cross section, 20a is a top plate, which is inclined slightly downward from the wall W toward the parapet P1 side. Therefore, the gap T and the parapet P1
A side plate 20b is provided with a width that covers the top of the holder and is elastically engaged with the locking holder 19 at its right end in the figure.
is provided, and a projecting piece 20 is provided at the lower end thereof.
c is formed. Additionally, a groove 1 is formed at the left end of the top plate 20a in the drawing by a draining member 22 attached along the protrusion 16b of the support member 16.
An engagement edge 20d having a hook-shaped cross section is formed to be engaged with the engagement edge 6e. Further, the cover receiving member 21 is formed into a substantially L shape by a vertical support piece 21a and a horizontal attachment piece 21b, and the support piece 21a abuts and supports the lower surface of the top plate 20a of the cover member 20, so that the support piece 21a is not shown in the figure. The top plate 20a is formed into a triangular shape as shown in the figure, following the lower surface of the top plate 20a, and its slanted edge is cut out to form a top support part 21c and a right side support part 2.
1d are formed. Furthermore, a sliding hole 21e and a long hole 21f are provided along the center line of the mounting piece 21b, corresponding to the sliding hole 18g and the long hole 18f of the locking member 17, respectively.

The support member 16 formed in this way is attached to the wall W at a predetermined interval, and the protrusion 1
A draining member 22 is fixed between the locking member 1 and the locking member 1.
7 and the elongated holes 18f, 21 of the cover receiving member 21
The f side is the support part 16d of the support member 16 as shown in the figure.
The sliding holes 18g and 21e sides of the locking member 17 and the cover receiving member 21 are fixed to the support member 16 via the mounting bolt 23 and the spring member 10, as in the first embodiment. Correspondingly, it is slidably fixed to the parapet P1 by a support member 15, a spring member 10, and a mounting bolt 9. Then, when the engaging edge 20d of the cover member 20 is engaged with the groove 16e of the support member 16 and pressed, the protruding piece 20c of the cover member 20 slides against the locking holder 19 of the locking member 17, as in the first embodiment. When the side plates 20b are brought into contact with each other, the side plates 20b are elastically expanded, and when pressed further, the protruding pieces 20c are engaged with the lower ends of the respective leg pieces 19b, and at the same time, the lower surface of the top plate 20a of the cover member 20 is attached to each top of the cover receiving member 21. The cover member 20 is held in contact with and supported by the support portion 21c and the right support portion 21d, and the top of the parapet P1 and the gap T are integrally covered by the cover member 20. Therefore, this second embodiment also provides the same effects as the first embodiment. In addition, in this second embodiment, similarly to the first embodiment, the configuration is illustrated in which the relative displacement of the parapet P1 and the wall body W in the left and right direction is targeted, but the parapet P
1 and the wall W in the vertical direction, install the mounting bolts 9 and 2 as shown in FIG.
This can be solved by interposing a coiled spring member 10A between the heads 9a, 23a of No. 3 and the mounting piece 21b of the cover receiving member 21, and the operation of each member in this case is similar to that of the first embodiment. It is similar to Although the support member 16 of the second embodiment is illustrated as being short, it may be long.

In the first and second embodiments, the spring members 10 and 10A are exemplified as coil springs, but are not limited to this. For example, as in the spring member 24 shown in FIG. 7, spring steel plates or coil springs are used. A spring member 2 consisting of a horizontal web 24a made by bending a stainless steel plate and a leg piece 24b formed into a curved shape that is almost symmetrical from both edges of the web 24a.
4, and instead of the spring member, an elastic block body having elasticity such as synthetic resin or synthetic rubber may be used. In addition, the cover receiving member 8 in the first embodiment has the supporting piece 8a and the mounting piece 8b formed into a substantially L shape, and the upper edge of the supporting piece 8a is shaped to follow the lower surface of the top plate 7a of the cover member 7 to support it. Although the members 3 are attached in a horizontal frame manner through the sliding groove 8e as an example, the present invention is not limited to this.
For example, like the cover receiving member 25 shown in FIG. 9, a plate-like material having a predetermined width (that is, the distance between the lip grooves of the holder base material 5) is piled up along the lower surface of the top plate 7a as shown in the figure. A support piece 25a is formed by bending the support piece 25a, and both ends of the support piece 25a are bent downward to form a leg piece 25b having a predetermined length. The sliding piece 25c is bent horizontally to form a sliding piece 25c, which is loosely fitted into the lip groove 5d of the holder base material so that it can slide along the upper surface of the web 5a. A cutout recess 25d that engages with the lip 5c of the holder base material 5 is formed on both sides of the lower end of the leg piece 25b. Note that 25e is a reinforcing rib recessed in the support piece 25a. The cover receiving member 25 formed in this manner is slidably and loosely fitted into the lip groove 5d of the holder base material 5 of the locking member 4, and is displaced almost integrally with the locking member 4 when the frame moves relative to each other. Ru.

(Effect of the invention) Now, the present invention provides
It is an expansion joint that is installed in a shielding manner between the two frames, and includes a cover member that runs along the wall surfaces of adjacent building blocks, and a long hole-shaped hole that spans between the two building blocks on the lower side of the cover member. A locking member having a sliding hole is mounted together with a support member through an elastic member using a mounting bolt, and the locking member is provided in a pressed manner and slidably on the body frame side or the support member side,
Furthermore, a cover receiving member is interposed between the support members and the cover member, and the cover receiving member supports the cover member and is configured to be movable integrally with the locking member. By this,
Since the locking member is attached through the sliding hole and the spring member, it is free (slidable) relative to the support member and the mounting bolt, and there is no space between the cover member and the support member. Since the cover receiving member interposed therein is also free with respect to the supporting member and the mounting bolt, even if the body is displaced in the left-right direction, the state of engagement between the locking member and the cover member is not affected in any way and the state of engagement is maintained. The locking member, the cover receiving member, and the cover member are integrally displaced while maintaining this, and the cover member is held in a state covering the gap and the tops of both bodies. In addition, since the cover member is configured to be supported in contact with the cover receiving member, even if the cover member is wide and long, the cover receiving member prevents distortion, twisting, etc. due to relative displacement of the frame. can do. In addition, since the cover member integrally covers the gap and the top of the frame, there is no need to take special measures to protect it from rain, as in the case of conventional methods, and the side plates of the cover member are attached to the inner side of the frame. Since the cover members are hanging down, rainwater can be drained sufficiently, and since the cover member is attached by pressing it from above each locking member and elastically fastening it, the installation work can be carried out extremely labor-savingly. In addition, since fastening members such as screws are not required, rain protection and appearance can be improved.

[Brief explanation of drawings]

1 to 3 show a first embodiment of the present invention, FIG. 1 is a longitudinal sectional view, and FIG. 2 is a -
3 is a perspective view, FIG. 4 is a partial longitudinal sectional view showing another aspect of the first embodiment, FIG. 5 is a longitudinal sectional view showing the second embodiment of the present invention, and FIG. is a vertical sectional view showing another aspect of the second embodiment, FIG. 7 is a perspective view showing another aspect of the spring member, FIG. 8 is a longitudinal sectional view showing another aspect of the first embodiment, and FIG. 9 is a cover. Perspective views showing other aspects of the receiving member, FIGS. 10 and 11, are conventional examples. 1, 14... Expansion joint,
3, 15, 16... Support member, 4, 17... Locking member, 7, 20... Cover member, 9, 23... Mounting bolt, 8, 21, 25... Cover receiving member, 10, 10A , 24... Spring member (elastic member).

Claims (1)

[Claims] 1. An expansion joint that shields the space between the frames of adjacent buildings,
A cover member that extends along the wall surfaces of the mutually adjacent building blocks, and a locking member having a long hole-shaped sliding hole that spans between the building blocks on the lower side of the cover member, is attached to a support member via an elastic member. At the same time, a locking member is provided in a pressing manner and slidably on the body frame side or the support member side, and a cover receiving member is interposed between the support members and the cover member. Moreover, the expansion joint is configured such that the cover receiving member supports the cover member and is movable integrally with the locking member.