JPH0138166Y2 - - Google Patents

Description

[Detailed description of the invention] This invention is designed to improve the relationship between walls, roofs, roofs, walls, floors, floors, walls, or ceilings of buildings mainly consisting of adjacent concrete walls. The purpose of the expansion joint installed in the gap is to be able to cope with fluctuations caused by expansion or contraction of buildings due to changes in the outside air, and to provide an expansion joint that is easy to install. The goal is to provide insight.

Next, the first embodiment of the present invention will be explained with reference to the drawings.
This is an expansion joint (hereinafter simply referred to as a joint) which covers the gap T between the two in a shielding manner.The joint 1 is composed of a locking member 2 and a cover member 3.

2 is the above-mentioned locking member, and the wall W,
They are arranged at predetermined intervals along the longitudinal direction between W', and are formed as short members made of flexible spring steel or stainless steel, for example. Reference numeral 2A denotes a web of the locking member 2, which extends a predetermined length further in the left-right direction in the drawing than the gap T between the walls W and W', and has a length to accommodate fluctuations in the walls W and W'. At the same time, projecting pieces 2B, 2B are formed at both the left and right ends of the projector toward the upper side (outdoor side) in the figure.
is installed protrudingly. Furthermore, a mounting hole 2C for vertically movably mounting a cylinder 4 which also serves as a connection to the cover member 3 is provided through the web 2A at approximately the center thereof, and mounting holes 2 are provided on the left and right sides of the mounting hole 2C.
Elongated sliding holes 2D, 2D having a predetermined length are provided through the shafts 2D and 2D, respectively, and have a predetermined length centered on an axis corresponding to the axis of C.

Reference numeral 4 denotes a cylindrical body which is attached to the attachment hole 2C of the locking member 2 so as to be able to move up and down, and a flange 4A for preventing slipping off is formed at both ends of the cylindrical body 4. The flange 4A and the web 2 of the locking member 2
A spring 5 is attached between the terminal A and the terminal A. Furthermore, a screw threaded into the inner diameter portion of the cylindrical body 4 is threaded to engage with the connecting screw 6 .

3 is a cover member of the joint 1, which is made of a long member extruded from a light alloy material such as aluminum; in its cross section, 3A is a web whose length corresponds to that of the locking member 2; A dovetail groove portion 3B, into which the airtight member 7 is fitted, is formed along the longitudinal direction of both ends thereof. Additionally, holes 3C are provided at a predetermined interval in the substantially central portion of the web 3A along its longitudinal direction to correspond to the locking member 2 and to be substantially aligned with the threads of the cylindrical body 4, through which the connecting screws 6 are inserted. ing.

The locking member 2 of the joint 1 formed in this way is attached to the outdoor surface of one wall W,
The anchor bolts 8 installed in W' are disposed at predetermined intervals through their respective sliding holes 2D so as to straddle between the walls W and W' as shown in the figure, and this locking member 2 When attached to the anchor bolt 8, for example, the wall W' side is fixed, and the locking member 2 is attached to the wall W side so as to be movable left and right through its sliding hole 2D. Locking member 2 installed in this way
When the cover member 3 is attached to the outdoor side of the members 2 and 2 in a crowned manner, the locking members 2 and 2 are housed between the grooves 3B of the cover member 3 through the projections 2B as shown in the figure, and both members 2, 3, the connecting screw 6 is connected to the cylindrical body 4
The cover member 3
The airtight members 7 fitted to both ends of the wall are elastically deformed and tightly attached to the outdoor surfaces of the walls W and W'.

Next, the operation and effect of the first embodiment configured as described above will be explained.

Now, the joint 1 of this example is used to cover the gap T between the building frames W and W' of adjacent buildings in a shielding manner, and the cover member 3 is provided along the wall surfaces of the adjacent building frames W and W'. The back side of the cover member 3 has an elongated sliding hole 2D with a substantially symmetrical shape on the left and right, and the elastically deformable locking member 2 is inserted through at least one of the sliding holes 2D. Body W,
Slidably on one of the skeletons W of W′ and the skeleton W,
The locking member 2 and the cover member 3 are connected to the locking member 2 by a connecting screw 6 to a cylindrical body 4 which is elastically attached to the locking member 2 via a spring 5.
Therefore, this locking member 2 is formed to be elastically deformable, and is slidable with respect to the frame W via the anchor bolt 8 through the elongated sliding hole 2D provided in the web 2A. Nikatsu frame W,
Since it is provided in a spanning manner between W' and connected to the cover member 3, for example, the walls W and W' expand or contract due to changes in the outside air and expand and contract in the direction of the solid line arrow shown in the figure, causing the gap between them. Even if T changes, the sliding hole 2D of the locking member 2 of the joint 1 is moved in sliding contact with the anchor bolt 8, so the joint 1
The cover member 3 can always keep the gap T shielded and ensure watertightness.
In addition, when the building expands and contracts in the direction of the broken line arrow shown in the figure, the locking member 2 is provided to be elastically deformable and the sliding hole 2D is provided, so that it is extremely easy to deform to the expansion and contraction movement, and the sliding hole 2D is provided. Since it can be deformed and slid through, it can fully cope with expansion and contraction movement. Further, since the locking member 2 and the cover member 3 are connected via the cylinder 4 by the spring 5, the responsiveness to fluctuations of the frame bodies W, W' is extremely good. In addition, since it mainly consists of the locking member 2 and the cover member 3, it has many advantages such as an extremely simple structure and an extremely labor-saving installation process.

Next, FIG. 2 shows a second embodiment of the present invention, in which the joint 11 is composed of a locking member 12 and a cover member 13.

Reference numeral 12 denotes a locking member of the joint 11, which is formed into a shorter member than the same material as the locking member 2 of the first embodiment, and the left and right ends of the web 12A have locking portions having a substantially doglegged cross section. 12B is formed, and elongated sliding holes 12C are symmetrically penetrated through the web 12A as in the first embodiment.
The installation length of the locking member 12 formed in this way is set to a length that can cope with the fluctuations of the walls W, W', similarly to the locking member 2.

13 is a cover member of the joint 11,
It is formed to have almost the same cross-sectional shape as the cover member 3 of the first embodiment, and locking protrusions 13C that engage with the locking pieces 12B of the locking member 12 are formed in the left and right groove portions 13B in an opposing manner. .

Prior to attaching the locking member 12 and the cover member 13 formed in this way, an airtight member 14 made of synthetic resin or synthetic rubber, etc. and a light alloy such as aluminum are attached to the wall surfaces of the walls W, W' as shown in the figure. A mounting member 15 for the water stop plate 9 made of extruded material is laid along its longitudinal direction. Note that the airtight member 14 and the mounting member 15 may be integrated. As in the first embodiment, the locking member 12 can be slid through one of the sliding holes 12C via the mounting bolt 18 on the walls W, W' where the airtight member 14 and the mounting member 15 are installed. This locking member 1
The cover member 13 is attached to the outdoor side of Nos. 2 to 12 so that its locking protrusion 13C is elastically connected to the locking piece 12B of the locking member 12 in a crowned manner as shown in the figure. Therefore, this second embodiment also provides the same effects as the first embodiment.

Next, FIGS. 3 and 4 show a third embodiment of the present invention, and this joint 21 is similar to the second embodiment of the present invention.
The connection structure between the locking member 12 and the cover member 13 in the joint 11 of the embodiment is further strengthened, and the web 22A of the locking member 22 has symmetrical cuts in the center as shown in FIG. 22D, and the cut and raised portions are bent into a dogleg shape as shown in the figure to form locking pieces 22E, 22E.
are set up opposite each other. In addition, 22B is the web 22A
Locking pieces 22C formed at both ends are sliding holes. Furthermore, a mounting piece 23D is formed in the longitudinal direction of the central portion of the cover member 23, and has an arrowhead-shaped locking portion 23E at the tip that engages with the locking pieces 22E, 22E of the locking member 22. The locking member 22 formed in this way is slidably attached to one of the sliding holes 22C as in the second embodiment, and the mounting piece 23 of the cover member 23 is attached to the outdoor side of the locking member 22.
D is locked between the locking pieces 22E, 22E, and the locking projections 23C at both ends are elastically connected to the locking pieces 22B of the locking members 22 to 22, so that the joint 21 is connected to the gap T.
It is covered like a shield. Therefore, this third embodiment also provides the same effects as the first embodiment.

Next, FIG. 5 shows a fourth embodiment of the present invention, in which this joint 31 is inserted into the corner of the walls W ₁ and W ₁ ' of adjacent buildings to form a shielding gap T ₁ . This is a joint installed over the same joint 3.
1 is composed of a locking member 32 and a cover member 33. This locking member 32 is formed shorter than the locking member 2 of the first embodiment and the same material,
Webs 32A, 3 along the outdoor surfaces of walls W ₁ , W ₁ ′
2B is formed into a substantially L-shape as shown in the figure, and a substantially dogleg-shaped locking piece 32C is formed at the end of both webs 32A, 32B, and
Elongated sliding holes 32 are provided in both webs 32A and 32B.
D is installed through each.

Reference numeral 33 denotes a cover member, which is formed into an elongated member from a molded material extruded from a light alloy material such as aluminum, and its cross-sectional shape is shown by webs 33A and 33B along the outdoor sides of the walls W ₁ and W ₁ '. The webs 33A and 33B are formed to have a substantially L-shaped cross section, and a groove 33C into which an airtight member is fitted is formed along the longitudinal direction of the ends of both webs 33A and 33B.
As shown in the figure, a locking protrusion 33D that engages with the locking piece 32C of the locking member 32 is provided in a protruding manner.

One web 32B of the locking member 32 formed in this manner is fixed to the outdoor surface of the wall W ₁ ′ via the mounting bolt 18, and the other web 32A is fixed to the outdoor surface of the wall W ₁ through the mounting bolt 18. 18 through its sliding hole 32D. The locking projections 33D of the cover member 33 and the locking pieces 32C of the locking member 32 are elastically connected to the outdoor side of the locking members 32 to 32 installed at predetermined intervals in this manner, thereby covering the cover member 33. The member 33 is attached to cover the gap _T1 . Therefore,
This fourth embodiment also provides the same effects as the first embodiment.

Next, FIG. 6 shows a fifth embodiment of the present invention, and this joint 41 is another aspect of the fourth embodiment. That is, the locking member 42 of this joint 41 is formed similarly to the locking member 32 of the fourth embodiment, and one of the webs 42B has a third
Similar to the embodiment, substantially dogleg-shaped engaging pieces 42D, 42D are formed by cutting and raising. Further, the web 43A of the cover member 43 has a mounting piece 43E extending rightward in the figure from the joint with the web 43B and having an arrowhead-shaped locking part 43F at its tip. Therefore, this fifth embodiment also provides the same effects as the first embodiment.

In each of the above embodiments, the sliding holes are formed almost symmetrically in the left and right directions in the locking member, but the present invention is not limited to this. For example, the sliding holes may be provided in one side. Like the locking member 51 shown in FIG. 7, a sliding hole 51B communicating in the length direction of the web 51A may be used. In addition, in the first to third embodiments, the locking members are provided horizontally along the walls W, W',
In addition, in the fourth and fifth embodiments, the locking member is connected to the wall W ₁ ,
Although the example is shown in which it is formed into a substantially L shape along W ₁ ′, the 8th
As in the locking members 52 and 53 shown in FIGS. 9 and 9, substantially V-shaped elastic portions 52B and 53B may be formed at approximately the center of the webs 52A and 53A. Note that these locking members 52, 53
Similarly to each of the above embodiments, the sliding holes 52C and 53C are also provided.
Equipped with:

The present invention is an expansion joint that covers the gap between the frames of adjacent buildings in a shielding manner. A cover member is provided as a main body, and a locking member is provided on the back side of the cover member in a manner spanning between the frameworks, and the locking member is mainly composed of a web having elasticity. An elongated sliding hole is provided on one side of the frame along the horizontal direction of the wall surface of the frame, and the locking member and the cover member are slidably attached to the hole through screws. It is configured to be connected by a connecting means. Therefore, since this locking member is formed to be elastically deformable and is slidably provided on one of the building blocks through the sliding hole, the adjacent building blocks can expand and contract due to changes in the outside air. Even if the gap varies, the variation can be absorbed by the elastic deformation of the sliding hole and the locking member itself, and the expansion and contraction movement can be sufficiently coped with. Therefore, the structure is extremely simple and the installation work can be performed extremely labor-savingly, making it an extremely practical invention as an expansion joint.

[Brief explanation of the drawing]

The figures show the expansion joint of the present invention. Figure 1 is a horizontal sectional view showing the first embodiment, Figure 2 is a horizontal sectional view showing the second embodiment, and Figure 3 is a horizontal sectional view showing the second embodiment.
The figure is a horizontal sectional view showing the third embodiment, FIG. 4 is a perspective view of the locking member, FIG. 5 is a horizontal sectional view showing the fourth embodiment, and FIG. 6 is a horizontal sectional view showing the fifth embodiment. FIG. 7 is a perspective view showing another embodiment of the locking member, and FIGS. 8 and 9 are perspective views showing another embodiment of the locking member. 1, 11, 21, 31, 41... Expansion joint, 2, 12, 22, 32, 42,
51, 52, 53...Locking member, 3, 13, 2
3, 33, 43...Cover member, 2D, 12C,
22C, 32D, 42C...Sliding hole, W, W',
W ₁ , W ₁ ′...Structure, T, T ₁ ...Gap.

Claims (1)

[Scope of utility model registration request] An expansion joint that covers the gap between the frames of adjacent buildings in a shielding manner, the cover member mainly consisting of a web that covers the gap between the frames of adjacent buildings and runs along both wall surfaces. and a locking member mainly composed of a web having elasticity, which is disposed in a straddling manner between the skeletons, on the back side of the cover member, and the locking member is provided with respect to at least one of the skeletons. , an elongated sliding hole is provided along the horizontal direction of the wall surface of the same frame, and the locking member and the cover member are connected to each other by an appropriate connecting means by attaching the locking member to the cover member so as to be slidable through the hole with a screw. Expansion joint.