JP3929558B2 - Intersection fence - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a joint barrier fence disposed at a joint position on a side portion of a passage connecting two buildings across a joint located between adjacent buildings.
[0002]
[Prior art]
In recent years, in order to keep damage caused by earthquakes to a minimum, some buildings have been constructed that support the lower part with a seismic isolation device having a buffer function.
[0003]
[Problems to be solved by the invention]
In such a base-isolated structure, when a joint cover device is arranged on the joint portion of a passage such as a passageway that connects the two buildings across the joint located between adjacent buildings, A known floor joint cover device can be applied, but there are few joint cover devices that can be applied to the gap portion on the side of the passage, and in particular, there is no barrier fence that can be used to block the gap portion. It is.
[0004]
The object of the present invention is to provide a joint fence for joints that can solve the conventional problems.
[0005]
[Means for Solving the Problems]
The present invention is arranged at a joint position on a side portion of a passage connecting two buildings across a joint located between adjacent buildings, and a pair of support rods are provided via the joint. A plurality of telescopic rods crossing the joints are horizontally mounted on the two support rods at predetermined intervals in the vertical direction, and the end portions of the respective telescopic rods are at least connected to the both support rods via a connecting means. It is the jointing fence for joints characterized by being connected so that rotation in a horizontal direction is possible.
[0006]
In such a configuration, the present invention divides the connecting means in a single or vertical direction in which an end of an expansion / contraction rod is fixed to the outer peripheral surface and is fitted on the support rod so as to be horizontally rotatable. Or a pair of upper and lower bearing pieces arranged at predetermined intervals in the vertical direction on the opposing outer peripheral surfaces of the two support rods, and ends of the expansion and contraction rods. The upper and lower ends are pivotally connected to the pair of bearing pieces so as to be pivotable .
[0007]
In such a configuration, when an adjacent building is relatively displaced in a close-up direction (a direction perpendicular to the joint) at the time of an earthquake, the expansion / contraction bar extends and follows the relative displacement. When the adjacent building is relatively displaced in the front-rear direction (in the direction along the joint), the telescopic heel expands and contracts, and the end of the telescopic heel rotates in the horizontal direction with respect to the support heel to follow the relative displacement. To do. Thereby, even if the adjacent building is relatively displaced in the direction of separation and front-rear direction, the gap portion on the side of the passage can be shut off without any trouble by the plurality of telescopic rods installed horizontally between the support rods.
[0008]
Further, in the above-described configuration, the connecting means is fitted with both support rods so as to be rotatable in the horizontal direction, and a plurality of rotating tubes divided in the vertical direction or the outer periphery of the rotating tubes A pair of left and right bearing pieces, which are arranged in pairs on the surface at predetermined intervals in the vertical direction, and the ends of the telescopic rods are fixed, and the left and right ends are pivotally connected to the pair of bearing pieces. It can also be constituted by a shaft. In this configuration, the end of each telescopic rod can be rotated in the horizontal direction and the vertical direction, and the telescopic rod can follow the relative displacement of the adjacent building in the direction of separation, front-back direction, and vertical direction. .
[0009]
Further, in the above-described configuration, the distal end side is extended in an opposing manner, and the distal end portions are slidably overlapped, so that the left and right covers provided in an extendable manner are attached to the both support rods and the respective extendable rods. You may make it coat | cover so that a follow-up rotation is possible. In this configuration, the gap portion on the side of the passage can be shielded without impairing the follow-up function of the blocking fence, and the aesthetic appearance can be improved by covering the blocking fence.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
A first embodiment of the present invention will be described with reference to FIGS.
[0011]
In the drawings, reference numeral 1 denotes a joint barrier fence according to the present invention, and the joint barrier fence 1 is arranged at a joint position on the side of a passage connecting the buildings across the joint located between adjacent buildings. It is installed. Here, although not shown, one or both of the adjacent buildings are supported by a seismic isolation device having a buffering function, and have a seismic isolation structure. As shown in FIG. 1, the support receiving edge 2 protrudes horizontally from one building x, and the passage corridor y passed from the other building (not shown) on the support receiving edge 2. The front end portion is supported via the support member 3. The support member 3 has a smooth surface made of a bearing ball or the like on the upper surface thereof, and a lower portion thereof is fixed to the support receiving edge 2, and the front end portion of the passageway y is mounted on the support member 3. Thus, the crossing corridor y can be relatively swung in the horizontal direction. Further, a gap having a predetermined width as a joint s is provided between the front end of the passageway y and the building x.
[0012]
As shown in FIG. 2, the building x is formed with a corridor 4 that is continuous with the passage corridor y. The corridor 4 and the passage corridor y allow the two buildings to cross the joint s located between adjacent buildings. A connecting passage 5 is formed. The floor surface 6 of the passage 5 is provided with a floor joint cover device 7 having a known structure that is positioned at the joint s and can follow at least a relative displacement in the left-right and front-rear directions. The joint s on the floor surface 6 is shielded by the joint cover device 7.
[0013]
Side walls 8, 8 are erected on the side of the passage 5 along the longitudinal direction, and gaps 9, 9 are formed at positions corresponding to the joints s of the side walls 8, 8. In the gap portions 9, joint barrier fences 1, 1 according to the present invention are respectively disposed.
[0014]
This joint barrier fence 1 is composed of a pair of support rods 10, 10 erected via the joint s, and a plurality of telescopic rods 11 horizontally mounted on the two support rods 10, 10 at a predetermined interval in the vertical direction. The end portions of the telescopic rods 11 are connected to the support rods 10 and 10 so as to be rotatable at least in the horizontal direction via connecting means.
[0015]
Each support rod 10 includes a columnar base portion 13a in which the anchor 12 protrudes from the side, and a columnar rotation support portion 13c formed on the upper portion thereof with a slightly small diameter via a step portion 13b. The base portion 13a is embedded in the floor of the passage 5 and is erected. In addition, a plurality of cylindrical rotating tubes 14 that are divided in the vertical direction according to the number of telescopic rods 11 are externally fitted to the rotation support portion 13c so as to be rotatable in the horizontal direction. Here, a circular cap 18 may be attached to the upper end of the rotary tube 14 located at the uppermost part to shield the upper end opening.
[0016]
On the other hand, each of the telescopic rods 11 has cylindrical base tubes 15a, 15a arranged at both ends, and ends of the base tubes 15a, 15a from the opposite end portions in the base tubes 15a, 15a, respectively. It is composed of a connecting rod 15b that is inserted and retracted so as to connect both the base tubes 15a and 15a. The entire length of the connecting rod 15b can be expanded and contracted by moving the end of the connecting rod 15b relatively in the base tubes 15a and 15a. It has come to be able to do. Further, as shown in FIG. 3, circular flange edges 16 and 16 are fixed to both side ends of the connecting rod 15 b fitted and inserted into the base tubes 15 a and 15 a, respectively. The flange edges 16, 16 are brought into contact with the retaining edges 17, 17 formed at the distal ends of the base tubes 15a, 15a to prevent the retaining edges.
[0017]
Each of the telescopic rods 11 is welded to the outer peripheral surfaces of the plurality of rotary tubes 14 whose base tube ends 15a and 15a are fitted on the rotary support portions 13c of the support rods 10 at the ends. Each is fixed through. And the connection means which connects the edge part of each expansion rod 11 with respect to the support rod 10 so that rotation is possible in the horizontal direction is comprised by the rotation pipe | tube 14 which fixed the edge part of this expansion rod 11. As shown in FIG. Note that the rotating tube 14 can be configured by a single cylindrical tube as shown in FIG. 5 without being divided into a plurality of pieces as described above.
[0018]
In the joint fence 1 having such a structure, when an adjacent building is relatively displaced in a close-up direction (a direction perpendicular to the joint) at the time of an earthquake, each telescopic fence laid horizontally between both support fences 10 and 10 is provided. 11 expands and contracts according to the amount of displacement, and follows the relative displacement in the near and far direction. When the adjacent building is relatively displaced in the front-rear direction (the direction along the joint), each telescopic rod 11 expands and contracts, and the end of each telescopic rod 11 is supported by the support rod 10 through the rotating action of the rotating tube 14. , 10 in the horizontal direction to follow the relative displacement. As a result, the joint fence 1 for joints follows the relative displacements of the adjacent buildings in the direction of separation and front and back without difficulty, and the passage 5 is formed by the plurality of telescopic hooks 11 that are horizontally mounted between the support poles 10 and 10. It is possible to block the gap portion 9 on the side portion without any trouble.
[0019]
FIG. 6 shows a second embodiment, which is a modification of the configuration of the connecting means in the first embodiment. As shown in the drawing, the pair of support rods 10, 10 erected via the joint s are formed in a columnar shape having the same diameter from the base portion 13 a where the anchor 12 protrudes sideways to the upper end thereof. A plurality of pairs of bearing pieces 19 and 19 are vertically arranged on the outer peripheral surfaces of the support rods 10 and 10 facing each other at predetermined intervals in the vertical direction. The pair of bearing pieces 19, 19 are pivotally connected to the upper and lower ends of the support shaft 20, and the telescopic rod 11 is formed on an attachment shaft 21 extending laterally from the support shaft 20. The base side end of the base tube 15a is fixed through fixing means such as welding and screwing.
[0020]
Then, at the time of relative displacement in the front-rear direction of the adjacent building, the end portions of the telescopic rods 11 can be rotated in the horizontal direction with respect to the support rods 10 and 10 through the rotating action of the support shaft 20. ing. Thereby, the connection means which connects the edge part of each expansion-and-contraction rod 11 with respect to the support rod 10 so that rotation in a horizontal direction is possible is comprised. Note that the attachment shaft 21 extending laterally from the support shaft 20 is not always necessary, and the end portion of the base tube 15a can be directly fixed to the support shaft 20.
[0021]
Even in the joint barrier fence 1 having the connecting means having such a configuration, it is possible to follow the relative displacements in the direction of separation and the front-rear direction of the adjacent building as in the first embodiment. .
[0022]
7 and 8 show a third embodiment. In this embodiment, the configuration of the connecting means in the first embodiment is changed, and the end of the telescopic rod 11 is oriented in the horizontal direction with respect to the support rods 10 and 10. And it can be rotated in the vertical direction. As shown in the drawing, the pair of support rods 10, 10 erected via the joint s has a columnar base portion 13 a in which the anchor 12 protrudes from the side and a step portion 13 b on the upper portion thereof. A cylindrical rotation support portion 13c having a small diameter is provided, and the rotation support portion 13c includes a plurality of cylindrical rotation tubes that are divided in the vertical direction according to the number of telescopic rods 11. 14 is externally fitted so as to be rotatable in the horizontal direction. Here, a circular cap 18 may be attached to the upper end of the rotary tube 14 located at the uppermost part to shield the upper end opening.
[0023]
A pair of bearing pieces 19 ′ and 19 ′ are provided on the outer peripheral surface of each rotating tube 14 on the left and right. The left and right ends of the support shaft 20 are pivotally connected to the pair of bearing pieces 19 ′ and 19 ′, and an extension rod is attached to an attachment shaft 21 extending laterally from the support shaft 20. 11 is fixed through a fixing means such as welding or screwing.
[0024]
And when the relative displacement of the adjacent building in the front-rear direction, the end of each telescopic rod 11 rotates in the horizontal direction with respect to the support rods 10 and 10 via the rotating action of the rotating tube 14, and the adjacent building At the time of relative displacement in the vertical direction of the building, the end portions of the telescopic rods 11 can be rotated in the vertical direction with respect to the support rods 10 and 10 through the vertical pivoting action of the support shaft 20. ing. Thereby, the connection means which connects the edge part of each expansion-and-contraction rod 11 with respect to the support rod 10 so that rotation in a horizontal direction and an up-down direction is possible is comprised. Even in this embodiment, the mounting shaft 21 extending laterally from the support shaft 20 is not necessarily required, and the end portion of the base tube 15a may be directly fixed to the support shaft 20. Further, the rotating tube 14 can be constituted by a single cylindrical tube (see FIG. 5) without being divided into a plurality of parts as described above.
[0025]
In the joint barrier fence 1 having the connecting means having such a configuration, similar to those in the first and second embodiments, it follows the relative displacement in the near and far directions of the adjacent buildings. It is possible to follow the relative displacement in the vertical direction of adjacent buildings.
[0026]
9 and 10 show a fourth embodiment. In this embodiment, the joint barrier 1 of the first embodiment is covered with a cover body 22. The cover body 22 includes left and right covers 23, 23 having a substantially U-shaped cross section that can cover at least the front and rear and the upper surface of the joint barrier 1. The covers 23, 23 are provided so as to extend and contract by extending the tip sides in a facing manner and overlapping the tip portions so as to be slidable. Further, as shown in FIG. 10, the base sides of the covers 23, 23 are provided in a plurality of rotation pipes 14, 14 that are externally fitted to the support rods 10, and base tubes 15 a, 15 a of the respective expansion rods 11. The connecting rods 24 and 24 are respectively supported, and can follow and rotate with respect to the horizontal rotation of each telescopic rod 11.
[0027]
In such a configuration, at the time of an earthquake, adjacent buildings are relatively displaced in the direction of separation (a direction perpendicular to the joint), and each telescopic rod 11 placed between the support rods 10 and 10 corresponds to the amount of displacement. When extending and contracting, the covers 23 and 23 similarly expand and contract and follow the relative displacement. Further, when the adjacent building is relatively displaced in the front-rear direction (the direction along the joint), and the end of each telescopic rod 11 is rotated in the horizontal direction with respect to the support rods 10, 10, the covers 23, 23 are similarly rotated. To follow the relative displacement. Thereby, the covers 23 and 23 can shield the gap portion 9 on the side of the passage 5 without impairing the follow-up function of the joint barrier 1. Moreover, the shielding fence 1 for joints can be covered and the aesthetics can be improved.
[0028]
In addition, the said covers 23 and 23 are applicable also to the interruption | blocking fence 1 for joints of 2nd Example. In this case, by supporting the base sides of the covers 23 and 23 on the base tubes 15 a and 15 a of the respective extension rods 11, the both covers 23 and 23 can follow the horizontal rotation of the respective extension rods 11. it can.
[0029]
Further, the joint barrier 1 according to the present invention can be applied to a general building other than a base-isolated structure whose lower part is supported by a base isolation device.
[0030]
【The invention's effect】
In the present invention, as described above, a pair of support rods 10 and 10 are erected via the joints s, and the plurality of telescopic rods 11 crossing the joints s are provided on the support rods 10 and 10 at predetermined intervals in the vertical direction. And the ends of the telescopic rods 11 are connected to the support rods 10 and 10 via connecting means so as to be rotatable at least in the horizontal direction, and the connecting means are extended and contracted on the outer peripheral surface. The end portion of the flange 11 is fixed, and is configured by a plurality of rotating tubes 14 that are externally fitted to the respective supporting rods 10 and can be rotated in the horizontal direction or divided in the vertical direction. A plurality of pairs of bearing pieces 19 and 19 and a pair of end portions of the expansion and contraction rod 11 are fixed on the outer peripheral surfaces of the support rods 10 and 10 arranged at predetermined intervals in the vertical direction, and each of the pair of bearing pieces is fixed. 19 and 19 and a support shaft 20 pivoted at both upper and lower ends. Therefore, even if adjacent buildings are relatively displaced in the direction of separation and front and back, the joint barrier fence 1 follows the relative displacement, and a plurality of telescopic fences horizontally mounted between the support fences 10 and 10 are provided. 11, the gap 9 on the side of the passage 5 can be blocked without any trouble.
[0031]
Further, the connecting means is fitted around the support rods 10 and 10 so as to be rotatable in the horizontal direction, and a plurality of rotating tubes 14 divided in the vertical direction or an outer periphery of the rotating tube 14. A pair of left and right bearing pieces 19 ', 19' and ends of the telescopic rod 11 are fixed to the surface at a predetermined interval in the vertical direction, and the ends of the telescopic rod 11 are fixed to the pair of bearing pieces 19 ', 19'. It is constituted by a support shaft 20 pivoted at both ends so that the end of the telescopic rod 11 can be rotated in the horizontal direction and the vertical direction. In addition to the relative displacement, the joint blocking fence 1 can follow the relative displacement in the vertical direction.
[0032]
Further, the left and right covers 23, 23 are provided so that they can extend and contract by extending the tip side so as to face each other and slidably superimposing the tip parts, so that the support rods 10, 10 and the respective extension rods 11 can be extended. Therefore, the gap portion 9 on the side of the passage 5 can be formed without impairing the following function of the joint barrier 1 for the relative displacement in the near and far direction of the adjacent building. In addition to being able to be shielded, the joint barrier 1 can be concealed, and there are excellent effects such as improving aesthetics.
[Brief description of the drawings]
FIG. 1 is a longitudinal front view of a construction state of a first embodiment of a joint barrier according to the present invention.
FIG. 2 is a plan view of the construction state of the above.
FIG. 3 is a partially cutaway front view of the first embodiment.
FIG. 4 is an exploded perspective view showing the support rod and connecting means.
FIG. 5 is an exploded perspective view showing another configuration of the rotating tube.
FIG. 6 is a perspective view showing a support rod and connecting means of a second embodiment.
FIG. 7 is a perspective view showing a support rod and connecting means of a third embodiment.
FIG. 8 is a plan view of the same.
FIG. 9 is a front view of a construction state of the fourth embodiment.
FIG. 10 is a transverse plan view of the above.
[Explanation of symbols]
s joint x building 1 joint barrier 5 passage 9 gap 10 support rod 11 telescopic rod 14 rotating pipe 19 bearing piece 19 'bearing piece 20 spindle 23 cover

Claims (4)

It is arranged at the joint position on the side of the passage connecting the two buildings across the joint located between adjacent buildings,
A pair of support rods are erected through the joints, and a plurality of telescopic rods crossing the joints are horizontally mounted on the two support rods at predetermined intervals in the vertical direction. It is connected to the support rod via a connecting means so as to be rotatable at least in the horizontal direction ,
Further, the connecting means is constituted by a single or a plurality of vertically divided rotating pipes which are fixed to the outer peripheral surface with end portions of the expansion and contracting rods and are fitted on the supporting rods so as to be horizontally rotatable. joint for blocking fence, characterized in that to those were.   A pair of upper and lower bearing pieces and a pair of telescopic hooks fixed to the outer peripheral surfaces of the support rods facing each other at predetermined intervals are fixed to the connecting means, and the ends of the extension rods are fixed. The joint barrier fence according to claim 1, further comprising a support shaft pivotally connected to both upper and lower ends thereof.   The connecting means is fitted on both the support rods and can be rotated in the horizontal direction, or a plurality of rotating tubes divided in the vertical direction, and a predetermined vertical direction on the outer peripheral surface of the rotating tube. A pair of left and right bearing pieces arranged in pairs at intervals, and an end of an expansion / contraction rod fixed, and a support shaft pivoted at both left and right ends to each pair of bearing pieces. The barrier fence for joints according to claim 1 characterized by these. The front end is extended in an opposing manner, and the front and rear covers are slidably overlapped to cover the left and right covers that can be extended and retracted so that they can follow and rotate on both the support rods and the expansion and contraction rods. The joint fence for joints according to claim 1 .

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