JPH0520534B2 - - Google Patents

Description

Detailed Description of the Invention [Field of Industrial Application] The present invention relates to improvements in expansion joints that cover gaps in buildings, and particularly relates to the structure of mounting hinges in expansion joints used in gaps in large spans. be.

[Prior Art] Buildings are subject to distortion due to constant expansion and contraction due to temperature changes, uneven settlement, earthquakes, etc., so gap structures are constructed as a means to prevent buildings from being destroyed due to such distortion. Expansion joints are used as a covering structure, but as buildings become larger, the span of the gap becomes larger and longer, so expansion and contraction and distortion of the expansion joint itself due to temperature changes becomes a problem. There is.

[Problems to be Solved by the Invention] The present invention has been made in view of the above-mentioned problems, and in particular, it is an object of the present invention to easily install an expansion joint for covering a large-span strain-absorbing gap between walls. The object of the present invention is to provide a new mounting hinge structure for an expansion joint that can be fixedly installed.

[Means for Solving the Problems] That is, the structure of the mounting hinge in the expansion joint according to the present invention is such that, in the expansion joint installed in the strain absorbing gap of a building, a support edge of an appropriate width is provided at the inner end. A front plate is configured to be continuous with the outer edge of the fixed plate portion and parallel to the front side of the fixed support plate portion, and a hanging member having a U-shaped cross section is fixed to the back surface of the inner end side of the fixed support plate portion. a pair of connecting plate support brackets consisting of a pair of connecting plate support brackets; a connecting plate suspended from the support edge of the connecting plate support bracket; and fixed to the front surfaces of the front plates of both the connecting plate support brackets;
a cover plate that maintains both edges of the connecting plate in a slidable state between the inner edge and the supporting edge of the connecting plate support bracket; The expansion joint is pivotally connected to the outer wall surface sandwiching the expansion joint through a mounting hinge that is rotatable in a direction inclined to the mounting surface, and the support structures are arranged at equal intervals in the longitudinal direction of the expansion joint. This is a summary.

[Function] According to the above structure, the cover plate and the connecting plate of the expansion joint are suspended and supported by the connecting plate support bracket fixed to the wall surface by means of the mounting hinge. Therefore, by cutting the connecting plate and the cover plate to appropriate lengths, the expansion/contraction and distortion caused by temperature changes of the expansion joint itself are separated, and no load is applied to the attachment site. As a result, it can be implemented as an expansion joint that covers a long strain absorbing gap with a large span.

[Example] Hereinafter, an example of the structure of a mounting hinge in an expansion joint according to the present invention will be described with reference to the drawings.

In this embodiment, a gap G is formed at the corner of the outer wall.
In this example, a wall surface a is orthogonal to a wall surface b, and a gap G is formed.

Here, reference numeral 1 denotes a parallel connecting plate support bracket that is pivotally installed on a step a1 formed at the edge of the gap on the wall surface a, and the outer end of the support fixed plate part 11 of an appropriate width has a support edge 12 at the inner end. The edge portion 13 has the support plate portion 11
A front plate 14 is continuously constructed parallel to the front side of the cover plate 14, and a cover plate fastening protrusion 15 is provided protruding from the outer end edge 13, and a screw hole is bored in the inner end of the front plate 14. . The outer end of the support plate part 11 constitutes a mounting hinge 7 connected to the wall surface a, and has a hinge protrusion 71 protruding from the back surface of the outer end, and a hinge protrusion 73 protruding from the base plate 72. is pivotally connected via a pin shaft 74 between the
Bolts 7 screw the base plate 72 into anchor plugs 75, 75 embedded in the front surface of the stepped portion a1.
It is fastened and fixed by screws 6 and 76.

Further, reference numeral 2 indicates a groove b formed in the gap part of the wall surface b.
This is a connecting plate support bracket for alternation which is pivotally installed on the support fixed plate part 21 at the outer end edge 23 of the support fixed plate part 21 having an appropriate width and which has a support edge 22 at the inner end.
The front plate 24 is continuous and parallel to the front side of the cover plate 24, and a cover plate fastening protrusion 25 is provided protruding from the outer edge 23, and a screw hole is bored in the inner end of the front plate 24. . The outer end of the support plate 21 constitutes a mounting hinge 8 that connects to the wall a, and has a hinge protrusion 81 protruding from the outer end surface, and a hinge protrusion 83 protruding from the base plate 82. are pivotally connected via a pin shaft 84 between them, and
Bolts 8 screw the base plate 82 into anchor plugs 85, 85 embedded in the bottom surface of the stepped portion a1.
It is fastened and fixed by screws 6 and 86.

Support plate portion 1 of both support brackets 1 and 2 above
1 and 12 have codes 16 and 16 on the back side of the inner end, respectively.
A locking member having a U-shaped cross section consisting of 26 is fixed at its upper end so that the U-shaped groove opens upward. A connecting arm 31 is attached to both the locking members 16 and 26.
is suspended in a U-shaped groove, and the connecting plate mounting arm 3 is rotatably pivoted via a small screw 32 screwed into the center of the connecting arm 31. The plurality of connecting plate mounting arms 3 are supported by small screws 33, 33 on the back side of the connecting plate 4, which is made up of a strip plate that is elongated in the direction in which the gap G extends. It is fixed in the longitudinal direction at approximately the same pitch as the installation pitch of the brackets 1, 1... or the connection plate support brackets 2, 2...
Both edges of the connecting plate 4 are arranged so as to hang over the front sides of the supporting edges 12, 22 of the connecting plate supporting brackets 1, 2. The connecting plate 4 has both ends of a connecting arm 31 which is pivotally connected to the connecting plate mounting arm 3 via a small screw 32 connected to both connecting plate support brackets 1,
By being suspended and supported by the two locking members 16 and 26, it is stably supported and held.

The connecting plate 4 also has small screws 55 on the front surfaces of the front plates 14 and 24 of the connecting plate support brackets 1 and 2.
The inner edges 51, 61 of the cover plates 5, 6 and the support edges 12, 22 of the connecting plate support brackets 1, 2 are held in a slidable state.

In addition, the above-mentioned connecting plate 4 and both cover plates 5, 6
is made of a long piece having an appropriate length, and connecting plate mounting arms 3 are disposed at a plurality of locations (three locations in the embodiment) in the length direction.

Furthermore, in the figure, 91 is the caulking material buried outside the mounting hinge, and 92 is the gap G on the back side of the expansion joint.
The water stop plate 93 provided in the water stop plate 92 is a fireproof belt arranged in parallel inside the water stop plate 92.

The expansion joint having the above configuration is constructed by the following procedure.

(1) First, mounting hinges 7 and 8 are embedded and fixed in the stepped portion a1 of the wall surface a and the groove b1 of the wall surface b, respectively.

(2) The mounting hinge 7 has the support fixed plate portion 11 of the parallel connection plate support bracket 1 and the front plate 14 attached to the pin shaft 7.
They are swingably connected via 4.

(3) The mounting hinge 8 has the support fixed plate part 21 of the connecting plate support bracket 2 and the front plate 24 attached to the pin shaft 84.
They are swingably connected via.

(4) A plurality of connecting plate mounting arms 3, 3... connected to the back side of the connecting plate 4 by small screws 33, 33,
The connecting plates 4 are attached parallel to each other at predetermined intervals in the longitudinal direction.

(5) The connecting arm 31 is pivotally attached to each of the above-mentioned connecting plate mounting arms 3 via small screws 32 so as to rotate at the center thereof.

(6) Both edges of the connecting plate 4 are located between the supporting fixed plate portion 11 of the parallel connecting plate support bracket 1 and the front plate 14, and between the supporting fixed plate portion 21 of the connecting plate supporting bracket 2 for installation and the front plate. Set it so that it is located between 24 and 24,
Both ends of the connecting arm 31 are dropped into the hooking member 16 on the side of the connecting plate support bracket 1 for parallel installation and the hooking member 26 on the side of the connecting plate support bracket 2 for installation, respectively.

At this time, since the latching positions of both latching members 16 and 26 are configured to be located sufficiently below the lower end level of both supporting constant plate parts 11 and 21, the connecting plate mounting arm 3 supports both connecting plates. There is no interference with the support edges 12, 22 of the support plate portions 11, 21 of the brackets 1, 2.

(7) Finally, attach the cover plates 5 and 6 to the front plate 14 on the parallel connecting plate support bracket 1 side and the front plate 24 on the alternating connecting plate support bracket 2 side with the small screws 5.
5 and 65 to complete the construction.

Furthermore, although the above embodiment describes a corner of a building, in the case of a gap between walls that are installed side by side, the connection plate support bracket 2 for installation of the above embodiment can be replaced with the connection plate support bracket 1 for installation in parallel. It goes without saying that the same implementation can be achieved by changing the method.

[Effects of the Invention] As described above, according to the present invention, the expansion joint is fixed to the wall surface by a mounting hinge that does not connect the expansion joint in the longitudinal direction. The present invention is useful in expansion joints that cover large-span strain-absorbing gaps because no load is generated on the attachment site due to expansion/contraction and strain, and the practical effects of implementing the present invention are extremely large.

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional view showing one embodiment of the structure of a mounting hinge in an expansion joint according to the present invention, FIG. 2 is a front view of the same, FIG. 3 is an exploded perspective view of the main parts, and FIG. FIG. 1 is a cross-sectional view taken along the - line in FIG. 1, and FIG. 5 is a side view of the mounting hinge. 1... Connecting plate support bracket for parallel installation, 2... Connecting plate support bracket for alternating, 3... Connecting plate mounting arm, 4... Connecting plate, 5, 6... Cover plate, 7, 8... Installation Hinge, 11, 21...Support fixed plate portion, 12, 22...Support edge, 14, 24...
Front plate, 16, 26...Latching member, 31...Connection arm, 51, 61...Inner edge, 71, 73, 81,
83... Hinge protrusion, 72, 82... Base plate.

Claims (1)

[Scope of Claims] 1. In an expansion joint installed in a strain-absorbing gap of a building, a fixed support plate of an appropriate width with a supporting edge formed at the inner end is connected to the outer edge of the fixed support plate. A pair of connecting plates that constitute a front plate that is parallel to the front side, and that have a U-shaped cross-section hooking member fixed to the back surface of the inner end side of the support fixed plate portion so that the U-shaped groove opens upward. The connecting plate mounting arm is fixed to the front surface of the connecting plate mounting arm which is rotatably pivoted to the connecting arm suspended between the supporting bracket and the hooking member of both the connecting plate supporting brackets. A connecting plate suspended from a support edge, and fixed to the front plate front surface of both the connecting plate support brackets, so that both edges of the connecting plate can be slid freely between the inner edge and the supporting edge of the connecting plate support bracket, respectively. and a cover plate that is maintained in a sandwiched state, and the outer ends of the two connecting plate support brackets are connected to the outer wall surface with a gap therebetween via a mounting hinge that is rotatable in a direction inclined to the mounting surface. 1. A structure of a mounting hinge for an expansion joint, characterized in that the support structures are arranged at equal intervals in the longitudinal direction of the expansion joint. 2. The mounting hinge according to claim 1, wherein the mounting hinge has a structure in which a hinge protrusion protruding from the outer end of the connecting plate support bracket and a hinge protrusion protruding from the base plate are pivotably pivoted via a pin shaft. Structure of mounting hinges in expansion joints. 3. The structure of a mounting hinge in an expansion joint according to claim 1 or 2, wherein both connecting plate support brackets are installed side by side with a mounting hinge formed on the back surface of the support fixed plate portion. 4. The structure of a mounting hinge in an expansion joint according to claim 1 or 2, wherein either one of the connecting plate support brackets is for installation with a mounting hinge formed on an end surface of the support fixed plate portion.