JPH0423125Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an expansion joint device installed in a space between buildings.

[Conventional technology and its problems]

Conventionally, this type of expansion joint device was
No. 59-29042 (Unexamined Japanese Patent Publication No. 141309, 1982)
The one described in No. 36440 was known.

However, all of these expansion joint devices described above have a small amplitude that allows adjacent building blocks to cope with shifts caused by earthquakes or the like.

Further, the holder that holds the cover exposed to the outside from the back side requires drilling during manufacturing or installation, which causes an increase in manufacturing costs and a decrease in installation workability.

SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide an expansion joint device that eliminates the above-mentioned drawbacks, allows easy manufacture and installation of a holder member, and can accommodate large deviations between adjacent frames.

[Means for solving problems]

The expansion joint device of the present invention includes a holder member that is disposed at predetermined intervals in the longitudinal direction of a cover, is perpendicular to the cover, and receives the cover from the back side, supports the holder member from below, and has a main body. an expansion joint device comprising: a bracket fixed to the bracket and having a horizontal upper side; A resilient locking member having a width slightly smaller than the groove width of the dovetail groove and made of a plate spring material is inserted into the dovetail groove of the holder intermediate member; The elastic locking member is brought into contact with the upper surface of the pair of lower end pieces so as to be slidable in the longitudinal direction, and a connecting rod is provided in a protruding manner downward from the elastic locking member; A connection in which a protruding support part for supporting the holder intermediate member of the holder member from below is provided on the horizontal upper side, and the horizontal upper side has a diameter sufficiently larger than the diameter of the lower part of the connecting rod. A rod hole is provided through the connecting rod, and the connecting rod is inserted into the connecting rod hole so as to be swingable.

[Effect]

Since the diameter of the hole in the bracket is sufficiently larger than the diameter of the connecting rod inserted into it, the connecting rod can swing freely, and due to the swinging action,
The holder member can be flexibly adapted to a fixed bracket (and frame). Furthermore, on the lower end piece forming the dovetail groove of the holder intermediate material of the holder member,
Since the elastic locking member 32 is slidably abutted, the slidable range is large, and it is possible to cope with a large deviation in the width direction of the interval between adjacent frames.

〔Example〕

The illustrated embodiment will be explained in detail below.

FIG. 1 shows a cross section of the expansion joint device, which is provided at a corner 1 between a vertical outer wall V and a roof frame R, and covers and blocks a gap 2 from above. 3 is a cover with a substantially inverted L-shaped cross section, and specifically has a locking piece 5 erected at the base end 4, and a locking piece 5 bent toward the outer wall V at the distal end 6. It has a piece part 7.

Reference numeral 8 denotes a holder member, which is disposed at predetermined intervals in the longitudinal direction of the cover 3 and is perpendicular to the cover 3 so as to receive the cover 3 from the back side thereof. This holder member 8 includes a holder intermediate material 9 made of a metal extrusion molded material M having fitting grooves 10, 10.
and a holder base end material 11 and a holder tip end material 1 fitted to the base end and the distal end of the holder intermediate material 9, respectively.
It consists of 2 and.

In addition, as shown in FIG. 2, the holder intermediate material 9
has a downwardly opening dovetail groove 33 formed by opposing lower end pieces 34, 34.

Then (returning to FIG. 1), the holder base end material 11 is inserted into the fitting grooves 10 and 1 of the holder intermediate material 9.
0, a first locking piece 14 curved upward in a substantially J-shape, and a downward convexly curved first locking piece 14 branching from the middle of the first locking piece 14. 2 locking piece part 15;
Consists of.

The holder tip material 12 has a similar insertion piece portion 16
, a locking diagonal piece 17 hanging diagonally downward from the tip, a supporting small projection piece 18 protruding from the back surface of the locking diagonal piece 17 and abutting the lower tip of the holder intermediate member 9, and a locking diagonal piece 17 extending diagonally downward from the tip; A pair of water stop plate fixing protrusions 19, 19, etc. are provided protruding from the back surface of the diagonal piece 17, and,
A dovetail groove 20 is formed at the corner of the insertion piece 16 and the locking diagonal piece 17.

Thus, the base end 4 of the cover 3 is fixedly attached to the base end 8a of the holder member 8 via the locking mechanism B, and the distal end 6 of the cover 3 is attached to the base end 8a of the holder member 8. It is fixedly attached to the tip end 8b via a fixing mechanism C to form a cover/holder unit body 21.

In the illustrated example, the locking mechanism B includes a locking piece 5 of the cover 3 and a first locking piece 14 of the proximal end member 11 of the holder member 8. In addition, the locking mechanism C
is constituted by a locking piece 7 of the cover 3 and a locking diagonal piece 17 of the tip member 12 of the holder member 8, and when engaged, the elastic deformation of the thin plate cover 3 is used to engage. Furthermore, a cushioning material 22 is provided in the dovetail groove 20.
is fitted and elastically applied to the back surface of the cover 3, thereby preventing rattling and noise generation.

Next, a wall-mounting edge material 23 is fixed to the vertical outer wall V, and the base end 8a of the holder member 8 of the unit body 21 and the wall-mounting edge material 23 are held together via the hinge mechanism H. The unit body 21 is connected to the outer wall V around the holding hinge mechanism H so as to be able to swing up and down as shown by the arrow E.

Specifically, the wall mounting edge material 23 has a support piece 24 horizontally protruding from the upper and lower intermediate portions of the base 25, and is curved downward from the base 25 at a position slightly above the support piece 24. A locking piece 26 is provided protrudingly, and the width dimension (projection length) of this locking piece 26 is
It is set smaller than the support piece 24 mentioned above.

The holding hinge mechanism H is attached to the edge material 23 in this way.
from the receiving support piece 24 and the locking piece part 26, and the second locking piece part 15 of the holder base end member 11 that engages into the concave groove whose inner part is enlarged formed by both of them.
configured.

1 and 2, the dovetail groove 33 of the holder intermediate member 9 of the holder member 8 has a width dimension slightly smaller than the groove width dimension of the dovetail groove 33, and also has a hat shape. Insert the elastic locking member 32 made of a plate spring material, and slide the elastic locking member 32 in the longitudinal direction (in the direction of arrows N and P) onto the upper surface of the pair of lower end pieces 34, 34 of the holder intermediate member 9. A connecting rod 35 is provided in a protruding manner downward from the resilient locking member 32 so as to freely abut against each other.

Further, a Z-shaped bracket 27 is fixed to the frame R. This bracket 27 has a horizontal upper side 28
A projecting support portion 29 for supporting the holder intermediate member 9 of the holder member 8 from below is provided on the horizontal upper side portion 28, and a diameter of the lower portion of the connecting rod 35 is provided on the horizontal upper side portion 28. A connecting rod hole 30 having a diameter sufficiently larger than the above dimensions is provided through the connecting rod hole 30. Then, the connecting rod 35 is inserted into the connecting rod hole 30 so as to be swingable, and the washer 36 and the nut 3 are inserted.
7 and attach it. In addition, the above-mentioned "sufficiently large diameter dimension" is defined as having a so-called "hole-like" shape and being able to swing freely.

In this way, the holder intermediate member 9 is elastically biased downward (in the direction of the body R) by the elastic locking member 32. Further, the holder member 8 can swing freely in directions represented by arrows G and K.

The waterstop plate 38 is stretched across substantially the entire width of the cover 3 below. That is, the base end 38a of the water stop plate 38 is fixed to the outer wall V by the edge material 23, and the intermediate part is covered with the upper surface of the frame R.
It is fixed with the bracket 27 and the tip part 38
b is attached with an edge member 39 and is removably fixed to the projecting pieces 19, 19 on the back surface of the locking diagonal piece 17 by pressing the edge member 39 therethrough. This edge material 39 is long.

Next, FIG. 3 shows another embodiment illustrating an expansion joint device provided in the space 2 between the roofs. Considering that in this embodiment, the portion indicated by the arrow Q-Q in FIG. .

In FIG. 3, the metal extruded material forming the middle of the holder member 8 is slightly bent at the center in an upwardly convex shape, and correspondingly, the cover 3 is also bent in an upwardly convex shape at the center. It is the shape. The water stop plate 38 is stretched over substantially the entire width of the cover 3, and is attached to the locking diagonal piece 1.
7 and the main body R, and between the main bodies R and R, with a bend.

[Effects of Examples]

According to the embodiment shown in FIG. 1, the cover 3 and the holder member 8 are connected via the engagement mechanisms B and C, and the cover/holder unit body 21 is formed in advance, so that assembly work is easy. . Furthermore, since the unit body 21 swings up and down around the holding hinge mechanism H, it will not come off unexpectedly. Further, in FIGS. 1 and 2, rattling between the cover 3 and the holder member 8 is prevented through the cushioning material 22. In addition, the waterstop plate 38 is large, with a horizontal width substantially equal to the entire width of the cover 3, and has the advantage of being able to reliably prevent rainwater from entering.

[Effect of idea]

With the above configuration, the present invention has the following significant effects.

It is possible to increase the amplitude that can correspond to the deviation in the width direction of the interval between adjacent skeletons R.

The connecting rod 35 can be inserted over the entire length of the holder intermediate material 9 except for both ends, and the holder intermediate material 9 can be attached flexibly depending on the size of the interval between adjacent frames R, the mounting position of the bracket 27, etc. .

Processing such as drilling is not required when manufacturing the holder intermediate material 9, and manufacturing costs can be reduced.

During construction, the holder intermediate material 9 can be easily attached.

The connecting rod 35 can swing around the connecting rod hole 30 of the bracket 27 as a fulcrum, and the
Can flexibly respond to complex movements.

The opening width of the dovetail groove 33 can be increased, and the maximum swing width of the connecting rod 35 can be further increased.

[Brief explanation of drawings]

FIG. 1 is a cross-sectional side view showing an embodiment of the present invention;
FIG. 2 is a sectional view of a main part, and FIG. 3 is a sectional side view showing another embodiment. 3...Cover, 8...Holder member, 27...
Bracket, 29... Protruding support portion, 30... Connecting rod hole, 32... Spring locking member, 35... Connecting rod, R... Body, M... Shape material.

Claims (1)

[Claims for Utility Model Registration] Holder members 8 disposed at predetermined intervals in the longitudinal direction of the cover 3, perpendicular to the cover 3, and receiving the cover 3 from the back side; and the holder member 8. ... and a bracket 27 that is fixed to the frame R and has a horizontal upper side 28, and the holder member 8 has a pair of opposing lower end pieces 34, 34. A downward opening dovetail groove 3 formed by
3, and in the dovetail groove 33 of the holder intermediate material 9,
The elastic locking member 3 has a width slightly smaller than the groove width of the dovetail groove 33 and is made of a plate spring material.
2, the elastic locking member 32 is brought into contact with the upper surface of the pair of lower end pieces 34, 34 so as to be slidable in the longitudinal direction, and the connecting rod 35 is projected downward from the elastic locking member 32. Further, the horizontal upper side 2 of the bracket 27
8 is provided with a protruding support portion 29 that supports the holder intermediate member 9 of the holder member 8 from below, and the horizontal upper side portion 28 has a diameter that is sufficiently larger than the diameter of the lower part of the connecting rod 35. An expansion joint device characterized in that a connecting rod hole 30 is provided through the connecting rod hole 30, and the connecting rod 35 is inserted into the connecting rod hole 30 so as to be swingable.