JPH0151620B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an expansion joint that is extendably installed between the floors of a building mainly consisting of adjacent concrete walls, and its purpose is to To provide an expansion joint that can cope with relative movement due to expansion or contraction of objects, and has good drainage function on a floor surface where water and the like are often used.

Next, an embodiment of the present invention will be explained with reference to the drawings. In the drawing, 1 shows a structure in which the gap T between the floors (also referred to as frames) W and W' of adjacent buildings is covered in a shielding manner. The joint 1 is composed of a pair of fixed members 2 and 3, a sliding member 6, and a cushion member 7.

Reference numerals 2 and 3 refer to the above-mentioned pair of fixing members, which are installed oppositely along the upper surfaces of the floor surfaces W and W', and have symmetrical cross-sectional shapes.
The fixing member 2 on the left side of the figure will be explained.

This fixing member 2 consists of a mounting member 4 and a lid member 5.
The mounting member 4 and the lid member 5 are made of a molded material extruded from a light alloy such as aluminum, and are both elongated.

4 is a mounting member for the above-mentioned fixing member 2,
In its cross section, 4A is a mounting web,
An upper hanging piece 4B is provided in a slightly downwardly inclined manner toward the gap T side, and rises upward at the left end in the figure.
At the same time, a part of the upper hanging piece 4B is provided with an edge piece 4C having a Z-shaped cross section extending to the left side in the drawing, and the upper hanging piece 4B and the edge piece 4C form a screw receiving groove 4D which is open upward in the drawing. is formed along its longitudinal direction. Furthermore, a protrusion 4E having a substantially hook-shaped cross section is provided at the end of the edge piece 4C. In addition, a support wall 4 of a predetermined height is provided at the right end of the mounting web 4A in the figure.
F is provided above, and an upwardly open groove portion 4G is formed by the mounting web 4A, the upper hanging piece 4B, and the support wall 4F. In addition, water holes 4H are provided at predetermined intervals along the longitudinal direction of the support wall 4F at the lower end thereof.
Further, long holes 4K for receiving screws are formed through the mounting web 4A at predetermined intervals along the longitudinal direction outside the mounting portion 4J of the illustrated water stop plate 9.

Reference numeral 5 denotes a lid member of the fixing member 2, which is mainly composed of a substantially flat web 5A, the upper surface of which is recessed with grooves for preventing slipping, and the left end of the web 5A in the drawing is attached to the mounting member 4.
A stepped portion 5B is formed to be able to engage with the protruding piece 4E of the web 5A, and an opposing protruding piece 5C is formed at the right end of the web 5A in a position slightly shifted inward from the support wall 4F of the mounting member 4. ing.

Reference numeral 6 is the above-mentioned sliding member, which is made by extrusion molding a light alloy material such as aluminum, and in its cross section, 6A is a web, which is shown inclined downward at a predetermined inclination angle in the left-right direction. Formed in a mountain shape,
The width dimension of this web 6A is the gap T between the floors W and W'.
It is formed in a width dimension that can shield the building and cope with the relative movement of the building, and protrusions 6B are formed at both ends thereof. Further, dovetail grooves 6C, 6C into which the cushion members 7 are fitted are formed in substantially the center of the web 6A in a back-to-back manner as shown in the figure.

Reference numeral 7 denotes the above-mentioned cushion member, which is made of synthetic resin, synthetic rubber, etc., and is formed into a long member, and as shown in the figure, the cushion member 7 is provided in a filled shape between the sliding member 6 and the lid member 5 of the fixing members 2 and 3. The main body is a bellows-shaped filler part 7A that is expandable and retractable in its cross section, and a fitting part 7B that fits into the dovetail groove 6C of the sliding member 6 is formed at one end. Further, at the other end of the filling member 7A, an engaging piece 7C that engages with a projection piece 5C formed on the lid member 5 of the fixing members 2 and 3 is formed along the longitudinal direction.

Further, the lower surface side of the cushion member 7 is along the substantially chevron-shaped inclined surface of the sliding member 6, and the upper surface side is arranged in the width direction so that it is approximately flush with the upper surface of the lid member 5 of the fixing members 2 and 3. It is formed into a band shape with different thicknesses.

The mounting members 4, 4 of the fixing members 2, 3 formed as described above are attached to the upper surfaces of the floors W, W', respectively, so that their support walls 4F, 4F are approximately along the wall surface A of the gap T, as shown in the figure. They are arranged in a continuous manner and are fixed with mounting bolts 8. When installing the mounting member 4, both ends of the water stop plate 9 are placed on the lower surface side and fixed together as shown in the figure.
Further, the mounting members 4 are arranged in a continuous manner so that their end surfaces are aligned with each other through the elongated holes 4K. Between the left and right mounting members 4, 4 arranged correspondingly in this manner, a sliding member 6 is continuously provided so as to straddle the supporting walls 4F, 4F as shown in the figure, and to shield the gap T. Dovetail groove 6
A cushion member 7 is fitted into each of C and 6C. A lid member 5 is attached to the left and right attachment members 4 on which the sliding members 6 are continuously placed in this manner. That is, the stepped portion 5B formed at one end of the lid member 5 is engaged with the protruding piece 4E of the mounting member 4 in the fitted manner shown, and the protruding piece 5C at the other end is engaged with the engaging piece of the cushion member 7. 7C, the lid member 5
is the screw 10 through the screw receiving groove 4D of the mounting member 4.
It is fixed by. In this way, the sliding member 6, which is sandwiched between the left and right fixing members 2 and 3 and which shields the gap T, is sandwiched so as to be slidable in the left-right direction in the figure, so that the entire joint 1 is configured to be expandable and retractable. ing.

Note that 18 is a floor member attached to the floor surface.

Next, the operation and effects of this embodiment configured as described above will be explained.

Now, in the joint 1 of this example, a fixing member consisting of two members, a mounting member having an upwardly open groove portion and a cover member for shielding the groove portion, is installed oppositely along the longitudinal direction between adjacent building frames, and A sliding member for shielding the gap between the building frames is interposed between the fixing members so as to be slidable on the support wall on the side of the gap between the mounting members and the lid member. An expandable and retractable cushion member is provided between the sliding member and the lid member, and the sliding member is formed into a substantially mountain-shaped cross section that slopes downward toward the fixed member from approximately the center thereof. A mounting web at the bottom of the member is provided to be inclined downward toward the gap side, and a drainage hole is provided through the support wall on the gap side, and the cushion member is placed on the sliding member, and its lower surface side is slidable. The upper surface side is formed along the substantially mountain-shaped inclined surface of the moving member, and is formed substantially on the same plane as the lid member. Therefore, the sliding member 6 is connected to the fixed members 2 and 3.
Since it is slidably sandwiched between the mounting member 4 and the lid member 5, the building moves relative to the left and right, for example, as shown in FIG. 2, and the gap T is slightly large. Even if there is a gap T1, the entire joint 1 is in an extended state and the gap T1 is blocked by the sliding member 6. Further, even when the building moves relative to each other in the vertical direction, the shielding state of the gap T is maintained in the same manner. Furthermore, when the joint 1 is extended or contracted, the cushion member 7 is provided between the sliding member 6 and the lid member 5, so that the sliding member 6 is constantly moved by the tension of the cushion member 7. Since it is located approximately in the center and is equally supported between the support walls 4F of the left and right mounting members 3, deformation of the sliding member 6 or prying of the fixing members 2 and 3 by the sliding member 6 can be prevented, and The cushion member 7 is formed into a band shape having a thickness difference in the width direction so that its lower surface side follows the substantially chevron-shaped inclined surface of the sliding member 6, and its upper surface side is approximately flush with the upper surface of the lid member 5. Therefore, for example, when the main bodies W and W' move relative to each other in the vertical direction or the horizontal direction, the cushion member 7 has a conformability due to the difference in thickness, and even during the movement, the upper side of the sliding member 6 between the lid member 5 will not move. Since the upper surface of the member 5 is substantially the same and no concave or convex portions are formed, walking is not hindered. In addition, this sliding member 6 is formed to have a mountain-shaped cross section as shown in the figure, and is also provided with a dovetail groove 6C.
constitutes the supporting bone portion, its strength is increased, and it can fully fulfill its role as a part of the floor. In addition, water is often used on the floor surface, but water is poured into the grooves 4G formed in the mounting members 4 of the fixing members 2 and 3.
In addition, since the mounting web 4A is provided in an inclined shape, in combination with the inclination of the sliding member 6, water can be actively drained from the drain hole 4H toward the water stop plate 9 side, and the drainage effect can be enhanced. can. Furthermore, since the fixing members 2 and 3 are composed of two members, the mounting member 4 and the lid member 5, there is no need to bury anchor members etc. in the skeletons W and W', and the attachment of joints can be done labor-savingly. It has many features, such as being able to be retrofitted to the building blocks W and W', and also being easy to carry out repair work.

In the embodiment, the dovetail groove 6C is formed in a convex shape on the sliding member 6, but the present invention is not limited to this, and the sliding member 6' shown in FIG.
The dovetail groove 6'C may be formed in a concave shape as shown in FIG.
Further, the cushion member 7' and the lid member 5' may be configured to fit together as shown in FIG. 3.

Now, the present invention provides a fixing member consisting of two members, a mounting member having an upwardly open groove portion and a lid member that shields the groove portion, along the longitudinal direction between adjacent building frames, and Between the members, a sliding member for shielding the gap between the building frames is sandwiched between both the mounting members and the lid member so as to be slidable on the support wall on the side of the gap between the mounting members. An expandable cushion member is provided between the movable member and the lid member, and the sliding member is formed to have a substantially mountain-shaped cross section that slopes downward toward the fixed member from a substantially central portion thereof, and the mounting member A mounting web at the bottom of the cushion member is provided so as to be inclined downward toward the gap side, and a drainage hole is provided through the supporting wall on the gap side, and the cushion member is placed on the sliding member, and the lower surface side of the cushion member is arranged on the sliding member. By forming the top surface along the substantially mountain-shaped slope surface of the lid member, the upper surface side is formed on the same plane as the lid member, so that relative movement of adjacent structures in the vertical and horizontal directions can be coped with, so that mutual contact can always be maintained. In addition, since the cushion member is attached between the sliding member and the lid member when the joint is expanded or contracted, the sliding member is always kept between the frames due to the tension of the cushion member. Since the cushion member is located approximately in the center of the mounting member and is equally supported between the support walls of the left and right mounting members, deformation of the sliding member or prying of the fixed member by the sliding member can be prevented, and the cushion member Since the side is formed into a band shape having a thickness in the width direction so that the side follows the substantially chevron-shaped inclined surface of the sliding member, and the upper surface side is almost flush with the upper surface of the lid member, when the frame moves relative to each other, Since no recesses or protrusions are formed on the upper side of the sliding member between the lid members, good cushioning properties that can accommodate fluctuations are obtained, so that walking is not hindered. In addition, since the fixing member is composed of two members, the mounting member and the lid member, and the sliding member is slidably interposed between the fixing members, installation work to the building frame is extremely labor-saving. Repair work is also easy. In particular, since the sliding member is formed into a substantially mountain-shaped cross section that slopes downward toward both fixed members from its approximately central portion, and the bottom of the mounting member of the fixed member is tilted downward toward the gap side, water is not used. In the floor, this curved slope allows active drainage, so its usefulness as an expansion joint is extremely large.

[Brief explanation of drawings]

The figures show one embodiment of the present invention, FIG. 1 is a longitudinal sectional view, FIG. 2 is a longitudinal sectional view explaining the operation, and FIG. 3 is a partial longitudinal sectional view showing another embodiment of the sliding member and the lid member. It is a diagram. 1... Expansion joint, 2, 3...
...Fixing member, 4...Mounting member, 5, 5'...Lid member, 6, 6'...Sliding member, 7, 7'...Cushion member, W, W'...Structure, T, T1... …gap.

Claims (1)

[Claims] 1. A fixing member consisting of two members, a mounting member having an upwardly open groove and a lid member that shields the groove, is provided along the longitudinal direction between adjacent building frames, and a space between the fixing members is provided. A sliding member for shielding the gap between the building frames is sandwiched between both the mounting members and the lid member so as to be slidable on the support wall on the gap side of the mounting member, and the sliding member and the lid member are sandwiched between the mounting member and the lid member. An expandable and retractable cushion member is provided between the sliding member and the lid member, and the sliding member is formed into a substantially mountain-shaped cross section that slopes downward toward the fixed member from the approximately central portion thereof, and the mounting web at the bottom of the mounting member is provided in a downward-sloping manner toward the gap side, and a drainage hole is provided through the support wall on the gap side, and the cushion member is placed on the sliding member, and its lower surface side is provided with a substantially mountain-shaped portion of the sliding member. An expansion joint configured to be formed along an inclined surface and on an upper surface side substantially flush with the lid member.