JPS6043552A - Expansion joint - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] This invention relates to the building blocks of both buildings that are adjacent to each other, for example, a wall and a wall,
ceiling to ceiling, floor to floor, roof to roof, floor to wall, ceiling to wall,
The present invention relates to expansion joints that connect roofs and walls, walls in corner girders, etc., and can cope with fluctuations caused by earthquakes, ground subsidence, expansion and contraction of buildings, etc.

It is an object of the present invention to have a small number of parts, a simple structure, easy installation of a cover member, and an easy-to-manufacture method.
An object of the present invention is to provide an expansion joint that can reduce construction costs.

Embodiments of the present invention will be described below with reference to the drawings.

In the first embodiment shown in FIGS. 1 to 4, the frames (wall-to-wall or ceiling-to-ceiling or floor-to-floor) of both adjacent buildings Kl
, an expansion joint 1 is shown connecting 2 to . This joint 1 includes a spring member 2 disposed straddling the body surfaces Kl and 2a of both bodies Kl, and a gap S between the two bodies Kl held by this spring member 2. It is mainly composed of a cover member 11 that closes the.

The spring member 2 is attached to both the body parts Kl, 1a on the body surface of 2, and 2 on the body surface of 2.
It has attachment parts 3 and 4 at both ends that span over the body surface K1a+ of these parts and are fixed to 2a, and has a substantially W-shape that elastically expands and contracts in response to fluctuations in both body parts K1 and 2. A cover member 11 is formed above the top part 5.
A receiving portion 6 is formed to engage the. In this embodiment, as shown in FIGS. 1 and 2, the spring member 2 is mainly composed of two left-right symmetrical spring plates 2a and 2b having a substantially V-shape, etc., and these spring plates 2a and 2b. , 2b, the upper portions of the opposing inner plate portions are fixed 7 in the shape of palms together by rivets, screws, spot welding, etc. to form an integral body. At the upper end of the joint between both spring plate parts 2a + 2b, a receiving part 6 that engages with the engaging part 12 of the cover member 11 is formed in a substantially U-shape with an upward opening. Locking pawls 6a are formed on both sides of the upper opening of the receiving portion 6. Both spring plate parts 2a
, 2b is formed with a rounded surface at the lower end thereof, and leg pieces 2c and 2d are extended from the ends of the folded portions of both troughs 8 and 9 that are continuous with the lower end of the apex 5. There is. At the tips of these leg pieces 2c and 2d, both body surfaces K are attached.
Attachment portions 3.4 are formed along 2a at la and 2a, respectively, and are fixed by screws 21.22, and the rigidity of the attachment portions 3 and 4 is increased by ribs 3a and 4a. Furthermore, the spring member 2 has a spring stopper before the member 11 is installed.
The position of the receiving part 6 is such that when the cover member 11 is attached, it is located inward (downward) by a predetermined amount, thereby allowing the cover member 11 to be placed on the body surface 1a and 2a. A spring force is set on the spring member 2 to urge the spring member 2 toward the target. Furthermore, when locking the locking part 12 of the cover member 11 to the receiving part 6 of the spring member 2, a retaining hole (a groove or a piece may be used) for a drawer formed at the lower part of the receiving part 6 is used. 10, insert the pull-out rod B and pull out the receiving part 6 outward by a predetermined amount as shown in FIG. Push in the part 12 to engage it. Further, when the spring member 2 is elastically deformed and expands and contracts, in order to set a small amount of movement of the receiving part 6 in the inner and outer directions (up and down direction), the top part 5 or both valley parts 8 of the spring member 2 are set small. , 9 are actively formed to have a large radius of curvature, thereby preventing the cover member 11 from rising up relative to the body surfaces K 1 and K 2 of both parts.

The elongated cover member 11 that is attached to the receiving portion 6 of the spring member 2 described above and that closes the gap S between the two bodies K1, K2''+7) is made of extrusion molded aluminum alloy, stainless steel, or aluminum plate. Fitting portions 11a, llb are formed by bending traps such as, and have dovetail grooves at both ends for fitting gaskets 13 and 14 that are in close contact with the body surfaces K 1 a + K 2 a of both parts. is formed.

Approximately at the center of the back (lower surface) of this cover member 11, there is a locking portion that engages with the receiving portion 6 of the spring member 2 by pushing the cover member 11 toward the body surfaces Kla and KZa. 12 is formed to have an arrow-shaped cross section.

When installing the spring member 2 on both body surfaces Kla and 2a, a synthetic resin, rubber, etc. The water stop plate 15 may be disposed by sandwiching both ends thereof. Furthermore, when the two frames K1 and 2 are inner walls or ceilings, the water stop plate 15 may not be provided.

Exvanshi 1 of the first embodiment configured as described above
In the engine injector 1, when both the main bodies Kl and 2 fluctuate, the spring member 2 elastically deforms and expands, contracts or twists in response to this fluctuation, while the cover member 11 is held by the spring member 2. Since both the main bodies Kl and 2 move (slide, tilt, etc.) along the main body surfaces K 1 a and K 2 a of 2, deformation, damage, etc. of the cover member 11 are prevented.

In addition, to attach the cover member 11, first, as shown in FIG. 3, the spring member 2 is disposed between the trap and both the frame members Kl. Next, as shown in FIG. 4, when the receiving part 6 of the spring member 2 is pulled out by a predetermined amount by the pull-out rod B, the cover member 11 is turned toward the body surface Kla and 2a. By pushing and moving the locking portion 12 of the cover part side 11 to lock it to the receiving portion 6 of the spring member 2, and then pulling out the pull-out rod B, the installation work of the cover member 11 is completed. . In this state, a spring force is generated in the spring member 2 that urges the cover member 11 toward both body surfaces Kla and 2a, and this spring force causes the gaskets 13 and 14 at both ends of the cover member 11 to
is in pressure contact with the body surface Kla of both parts 2a.

Further, in this embodiment, when the spring member 2 is deformed corresponding to the fluctuation of the double body Kl, the top portion 5 of the spring member 2
Alternatively, since the radius of curvature of both the troughs 8 and 9 is actively formed to be large, the amount of movement of the receiving part 6 of the spring member 2 in the inward and outward directions can be reduced, and the body surfaces K 1 a and K 2 a of both parts can be reduced.
It is possible to prevent the cover member 11 from lifting up against the cover member 11.

Next, in a second embodiment shown in FIG. 5, an expansion joint 1 is shown which connects Kl to both adjacent building frames (roof and roof, for example both paravets on the roof). In this stain India 1, 1. The spring member 2 disposed across the upper surfaces K 1 a and K 2 a of the frame 2 is substantially the same as in the first embodiment.

1 and 2 are attached to the receiving portion 6 of the spring member 2 and are attached to both the body parts.
There are 11 long, solid members that close the gap S between them.At both ends, there are two outer surfaces Klb.

a side edge 11c facing K2b with a predetermined gap therebetween;
lid is formed, and at the lower end of these side edges 11C9lid there is a fitting part lie which has a dovetail groove for fitting the packing 16. , 11f are formed. Furthermore, a locking part 12 that locks to the receiving part 6 of the spring member 2 is formed at the center of the back surface of the cup member 11, and on the left and right sides of the back surface, there are two upper surfaces K1 of the frame 1 and 2 on both frames. a + K 2
Fitting portions 11g and llh having dovetail grooves for fitting gaskets 18 and 19 in close contact with the upper surfaces of both the mounting portions 3 and 3 of the spring member 2 and the spring member 2 are formed.

Note that the water stop plate 15 is arranged in the same manner as in the first embodiment. In addition, watertight members 23 and 24 made of elastically expandable sponge rubber or the like are arranged as necessary between the outer surfaces of both the skeletons Kl and 2, 1b and 2b and both sides of the cover member 11. be done.

The expansion joint 1 of the second embodiment constructed as described above operates in substantially the same manner as the first embodiment.

Next, in the third embodiment shown in FIG. 6, the frames of both adjacent buildings (floor and wall, ceiling and wall, wall and wall at the corner)
An expansion joint 1 is shown connecting 2 to Kl. At this joint 1, both skeletons Kl
Of the mounting parts 3 and 4 of the spring member 2, which are disposed astride 1a on the body surface of 2 and 2a, 2a is on the other body surface of the spring member 2.
A hook-shaped locking piece 25 for locking the cover member 11 is formed at the distal end of the mounting portion 4 that is fixed to the mounting portion 4 , and a retaining portion of the spring member 2 is formed at the base end of the mounting portion 40 . A receiving part 2 for receiving the tip of the pull-out rod B for pulling out the 6 outward.
6 is formed. In addition, the pond member of the spring member 2 is F.
Jr. is almost the same as the first embodiment.

1 and 2 are attached to the receiving portion 6 of the spring member 2 and are attached to both the body parts.
A long bracket member 11 that closes the gap S between the two bodies K
It is formed in a cut-off cursor shape along the main body surfaces Kl'a and 2a of 1 and 2. This part 1 has a dovetail groove at the tip of one side (horizontal side) 11A of the member 11 for fitting the gasket 13 that is in close contact with one body surface Kla.
1a is formed. The other side (vertical side) 11B of the cover member 11 has a fitting part 11 having a dovetail groove in which the hinge 14 is fitted, which is in close contact with the other body surface K 2 a.
b is formed, and a latching edge 27 that faces the latching piece 25 of the spring member 2 so as to be engageable is formed on the side surface of the fitting portion 11b. Furthermore, ゛ka (one side of one member 11
At a predetermined position on the back surface of the spring member 1A, a receiving portion 6 of the spring member 2 is inserted by pushing the member 11 toward one of the body surfaces Kla.
A locking portion 12 that locks with is formed in an arrowhead shape in cross section.

The expansion joint 1 of the fourth embodiment configured as described above operates in substantially the same way as the first embodiment.

Next, in the fourth embodiment shown in FIG. 7, the frames (roofs and walls) of both adjacent buildings K1. An expansion joint 1 is shown connecting 2 to . This joint 1
1. on both skeletons. The spring member 2 disposed astride the frame surfaces Kla and 2a of the second embodiment is substantially the same as that of the third embodiment.

1 and 2 are attached to the receiving portion 6 of the spring member 2 and are attached to both the body parts.
A long cover member 11 that closes the gap S between the two bodies Kl
, are formed in a broken cursor shape along the two body surfaces K 1 a and K 2 a. At the tip of one side 11A of this cover member 11, a side edge 11c is formed on one of the skeletons, and the side edge 11c faces the outer surface Klb of 1 with a predetermined gap therebetween. A fitting portion lie having a dovetail groove for fitting a packing 16 in close contact with the outer surface K 1 b of 1 is formed on one of the skeletons. Further, at a predetermined position on the back side of one side IA of the cover member 11, there is a gasket 1 that is in close contact with the main body surface K 1 a of one of the main bodies.
A fitting portion 11g having a dovetail groove into which the spring member 8 is fitted, and a locking portion 12 that locks onto the receiving portion 6 of the spring member 2 are formed. Further, a fitting part 11b having a dovetail groove into which a packing 14 that closely contacts 2a is fitted is formed on the other body surface at the tip of the other side 11B of the cover member 11. The hanging piece 2 of the spring member 2 is attached to the side of the
A latching edge 27 is formed that engageably faces the latching edge 5 .

The expansion joint 1 of the fourth embodiment configured as described above operates almost the same as that of the first embodiment.

In each of the embodiments described above, the receiving portion 6 of the spring member 2 is formed into a substantially U-shape that opens upward, and the locking portion 12 of the cover member 11 that is engaged with the receiving portion 6 is formed into a substantially U-shape that opens upward. Although they are formed in an arrowhead shape, the shape of the receiving part 6 and the locking part 12 is not limited. For example, as shown in FIG. 8, the receiving part 6 of the spring member 2 may be formed in an arrowhead shape. However, the locking portion 12 of the cover member 11 may be formed in an inverted U shape. Furthermore, the locking part 12 of the cover member 11 or the receiving part 6 of the spring part side 2 may be formed from a separate member and fixed to each member.

That is, the present invention has a substantially W-shaped structure that spans the frame surfaces of the building frames of both adjacent buildings and has attachment parts at both ends that are fixed to these frame surfaces, and that elastically expands and contracts in response to fluctuations in both building frames. Since the expansion joint is mainly composed of a shaped spring member and a cover member that is attached to the top of the spring member and closes the gap between the two parts, the number of parts is small and the structure is extremely simple. It can be done easily. In addition, the cover member can be easily attached by attaching the locking part formed on the back side of the cover member to the flange receiving part formed on the top of the spring member. , it is possible to successfully reduce construction costs.

[Brief explanation of drawings]

The drawings show embodiments of the present invention, and FIG. 1 is a sectional view showing the expansion joint of the first embodiment, and FIG.
The figure is a perspective view showing the spring part, Figures 3 and 4 are sectional views showing the process of arranging the expansion joint for both body parts in order, and Figure 5 shows the expansion joint of the second embodiment. A sectional view, FIG. 6 is a sectional view showing the extension joint of the third embodiment, and FIG. 7 11-1:
A cross-sectional view showing the expansion joint of the fourth embodiment, and FIG. 8 is a cross-sectional view showing an example of a modification of the receiving part of the spring member and the locking part of one member. 1. Expansion joint 2...
...Spring member 3.4...Mounting part 6...
・Receiving part 11...Crack member 12...
・Latching part Kl, 2... Body Applicant: Riken Light Metal Industry Co., Ltd. Representative: Patent attorney: Oka 1) Hidehiko

Claims (2)

[Claims] (1) Straddling the skeleton surfaces of the skeletons of both adjacent buildings,
and a substantially W-shaped spring member that has mounting portions fixed to the body surfaces at both ends and elastically expands and contracts in response to fluctuations in both body bodies, and a receptacle formed in one part of this spring member. The system is mainly composed of a cover member that is engaged with the spring member and closes the gap between the two body parts, and a locking part that engages with the receiving part of the spring member is formed on the back surface of the cover member. Expansion joint characterized by: (2) At a position where the spring member and the top of the spring member pull out the receiving portion outward by a predetermined amount, the spring member pushes the cover member toward the frame surface and locks the locking portion to the receiving portion. 2. The expansion joint according to claim 1, wherein a spring force is set to bias the cover member toward the rocking body surface trap.