JP2021067122A - Joint cover device - Google Patents

Abstract

To provide a joint cover device capable of closing a joint portion and a corner portion of the joint portion even when a distance to a border line is very short and capable of absorbing sway due to an earthquake without a joint cover passing the border line.SOLUTION: A joint cover device comprises: one skeleton 3; the other skeleton 4; a first rail member 7; a first joint plate 9; energizing means 11 energizing the first joint plate 9 to the other skeleton 4 side; a second rail member 12; a second joint plate 13 provided so as to protrude at a corner portion of a joint portion 2; a fixing joint plate 14 for a corner portion closing a part of the corner portion of the joint portion 2; a movable joint plate 16 for a corner portion whose one end portion is pivotally supported to one skeleton 3 so as to rotate and which closes a part of the corner portion of the joint portion 2; and a rotation mechanism rotating the movable joint plate 16 for a corner portion to the other skeleton 4 side. In the fixing joint plate 14 for a corner portion, a cutout portion facing a corner portion of the other skeleton 4 with an interval is formed.SELECTED DRAWING: Figure 3

Description

The present invention relates to a joint cover device that closes a joint portion between a skeleton having a seismic isolation device.

Conventionally, as a joint cover device that is provided near the boundary line between adjacent buildings and lands and has an isolator (seismic isolation device) to close the joint between one skeleton and the other skeleton, for example, "The upper surface of the floor skeleton provided on the lower outer wall skeleton of the building via the joints and the tip of the floor skeleton where the tip is located through a gap, and the eaves provided so as to cover the joints. A plurality of step plates having a stopper plate projecting downward at the tip portion attached to a plurality of rails fixed to the bottom surface at predetermined intervals so as to be slidably movable so as to project from the gap onto the floor skeleton, and a plurality of step plates thereof. The urging mechanism that constantly urges a plurality of step plates in the storage direction and the stopper plate at the joint side end of the floor frame are engaged with the building body even if the building body sways in the front-rear direction, and the step plates are pulled out. A joint cover device characterized by being composed of an engaging piece capable of being formed is known (Patent Document 1).

However, with such a joint cover device, if the joint is a straight joint, it can be closed so that the joint does not open even in the event of an earthquake, and it follows the earthquake so that the skeleton and the like are not damaged. However, when it is used for joints with corners, it cannot close the corners of the joints when it shakes so that the joints become wider due to an earthquake. There was a risk that people or objects would fall below the joints.

Japanese Unexamined Patent Publication No. 2008-144367

In view of the above-mentioned conventional problems, the present invention can always close the joint portion and the corner portion of the joint portion even if the distance to the boundary line is short, and the joint cover crosses the boundary line. It is an object of the present invention to provide a joint covering device capable of absorbing the shaking motion caused by an earthquake without any trouble.

The above and other objectives and novel features of the present invention will become more fully apparent when the following description is read in light of the accompanying drawings.
However, the drawings are for illustration purposes only and do not limit the technical scope of the present invention.

In order to achieve the above object, the joint covering device according to claim 1 of the present invention is provided via one skeleton and a joint portion having a corner on the one skeleton, and the one skeleton is provided. A plurality of first skeletons formed on the other skeleton and normally closing the joint portion, and a plurality of first skeletons provided on the bottom surface of the joint portion. A rail member, a first joint plate that is slidably supported by the first rail member and has an engaged portion that engages with an engaging portion of the one skeleton, and the first joint plate. The joint portion is supported by a urging means for urging the other skeleton side, a second rail member provided on the bottom surface of the first rail member, and the second rail member so as to be slidable. A second joint plate provided so as to project from the corner of the joint, a fixed joint plate for a corner that is fixed to the one skeleton and closes a part of the corner of the joint, and the one skeleton. With a movable joint plate for corners that is pivotally supported at one end and closes a part of the corners of the joint, and a rotation mechanism that rotates the movable joint plate for corners toward the other skeleton. The fixed joint plate for the corner portion is characterized in that a notch portion facing the corner portion of the other skeleton with a gap is formed.

The corner movable joint plate of the joint cover device according to claim 2 is characterized in that an arc-shaped relief portion is formed on the other end side.

The corner movable joint plate of the joint cover device according to claim 3 is provided so as to overlap in the vertical direction, and the other ends are connected by a connecting member.

The joint cover device according to claim 4 further includes a support means for supporting the other end side of the movable joint plate.

As is clear from the above description, the following effects can be obtained in the present invention.
(1) In the invention according to claim 1, since the second joint plate is provided so as to project to the corner portion of the joint portion, even if the joint portion is shaken so as to be wide due to an earthquake, the second joint plate is provided. The joint plate slides while being supported by a pair of second rail members.
Therefore, it is possible to reliably prevent the corners of the joint from opening.
(2) Since the second joint plate is provided so as to be slidable, it is possible to absorb the shaking movement due to the earthquake without damaging the skeleton, the joint plate, or the like even when the joint portion is narrowed.
(3) Since it is equipped with a fixed joint plate for corners and a movable joint plate for corners, when one skeleton and the other skeleton sway so as to be diagonally separated by an earthquake (joint parts in the front-rear direction and left and right). Even if all of the joints in the direction are shaken so as to be wide), the corners of the joints can be closed by the fixed joint plate for the corners and the movable joint plate for the corners.
(4) In the invention according to claim 2, the same effects as those in (1) to (3) above can be obtained, the corners of the joints can be widely covered, and the joints are narrowed. However, the swaying movement can be absorbed without damaging the skeleton and the movable joint plate for the corners.
(5) In the invention according to claim 3, the same effects as those in (1) to (4) above can be obtained, and the corners of the joints can be covered more widely.
(6) In the invention according to claim 4, the same effects as those (1) to (5) above can be obtained, and the other end of the movable joint plate for corners can be supported by the support means, so that the joint portion. Even if a heavy object gets on the movable joint plate for the corner when the joint plate is expanded, the other end of the movable joint plate for the corner can receive the heavy object without bending downward.

1 to 10 are explanatory views showing a first embodiment of the present invention.
11 to 13 are explanatory views showing a second embodiment of the present invention.
The plan view of the joint cover device of 1st Embodiment. (Arc-shaped escape part) FIG. 2 is a cross-sectional view taken along the line 2-2 of FIG. FIG. 5 is a cross-sectional view taken along the line 3-3 of FIG. Explanatory drawing of the first rail member, the first joint plate and the urging means. Explanatory drawing of fixed joint plate for corners. Explanatory drawing of movable joint plate for corners. An operation explanatory view from a plan view when the joint part becomes narrow due to an earthquake. FIG. 6 is a cross-sectional view taken along the line 8-8 of FIG. An operation explanatory view from a plan view when the joint portion becomes wide due to an earthquake. FIG. 9 is a cross-sectional view taken along the line 10-10 of FIG. The plan view of the joint cover device of the 2nd Embodiment. FIG. 11 is a cross-sectional view taken along the line 12-12 of FIG. Explanatory drawing of the engaging part.

Hereinafter, the present invention will be described in detail in accordance with the embodiments shown in the drawings for carrying out the present invention.
In the first embodiment for carrying out the present invention shown in FIGS. 1 to 10, 1 is installed between one skeleton 3 and the other skeleton 4 provided via joints 2 having corners. It is a joint cover device. The one skeleton 3 and the other skeleton 4 are assumed to be a seismic isolated building in the present embodiment, and are connected via a seismic isolation device 5 (isolator). Here, the boundary line or boundary area means, for example, a boundary line with the land of another person adjacent to the boundary line or a boundary line that interferes with another building. That is, it means a boundary line where the joint plate or the like cannot move beyond.
The left-right direction is the left-right direction in FIG. 1, the front-back direction means the up-down direction in FIG. 1, and the up-down direction means the up-down direction in FIG.

As shown in FIGS. 1 to 3, the joint cover device 1 is formed on the other skeleton 4, and normally has a closing portion 6 for closing the joint portion 2 (including a corner portion) and the closing portion 6 of the joint portion 6. A first rail member 7 provided on the bottom surface, supported by the first rail member 7 so as to be slidable, and having an engaged portion 8 at an end portion on one of the skeleton 3 sides. The joint plate 9 and the engaging portion 10 provided on the one skeleton 3 and engaging with the engaged portion 8 and the first joint plate 9 are urged toward the other skeleton 4. Sliding movement to the force means 11, a pair of second rail members 12 provided on the bottom surface of the first joint plate 9 so as to extend in the front-rear direction or the left-right direction, and the second rail member 12. A second joint plate 13 that is possibly supported and is provided so as to project from the corner portion 2a of the joint portion 2 and is fixed to the one skeleton 3 to close a part of the corner portion of the joint portion 2. For corners, one end is rotatably supported by a pivot pin 15 on the corner fixed joint plate 14 and one of the skeletons 3, and the other end is located below the corner fixed joint plate 14. It is composed of a movable joint plate 16 and a rotation mechanism 17 that rotates the corner movable joint plate 16 with the pivot pin 15 as a fulcrum.
Here, the normal state means, for example, the state of FIGS. 1 and 2.

The obstruction portion 6 is provided so as to project outward near the lower portion of the other skeleton 4, and is formed like a so-called berm. The closing portion 6 is normally located above the joint portion 2 and closes the joint portion so as not to open.

As shown in FIG. 2 and the like, the closing portion 6 is formed so that the bottom surface 6a is substantially horizontal in the present embodiment, and a plurality of first rail members 7 are fixed to the bottom surface 6a.

As shown in FIG. 4, the first rail member 7 is formed in a U-shape in cross section, and the flat surface above the first rail member 7 is fixed to the bottom surface of the closing portion 6 by a fixing means such as a bolt or a screw. It is a pair of mounting portions 18. On the other hand, the lower flat surface supports the bottom of one side surface of the first joint plate 9, and the two first rail members 7 form a pair due to the configuration, and the joint supporting the first joint plate 9. It becomes the plate support portion 19. In this embodiment, a plurality of pairs of the first rail members 7 are provided at the joint portions 2b in the front-rear direction and the joint portions 2c in the left-right direction, respectively.

The first joint plate 9 is a metal plate having a substantially rectangular shape in a plan view, and is installed in a state where the left and right side surfaces are supported by the joint plate support portion 19 of the first rail member 7. As shown in FIG. 1, a plurality of the first joint plates 9 are installed in the joint portion 2, and the adjacent first joint plates 9 are installed so that there is almost no gap between them.
It is desirable to provide a sliding member (not shown) such as a sliding member or a roller on the contact surface between the first joint plate 9 and the first rail member 7.

As shown in FIG. 4, an engaged portion 8 folded downward in an angle shape is formed at a protruding end portion (one end portion on the skeleton side) of the first joint plate 9. The engaged portion 8 may be formed separately from the first joint plate 9 and fixed in the vicinity of the protruding end portion of the first joint plate 9 by means such as welding.
In a normal state, a decorative plate (not shown) or the like may be provided so that the engaged portion 8 cannot be visually recognized from the outside. By providing such a decorative board, the aesthetic appearance can be improved.

Further, the first joint plate 9 is always urged to the other skeleton 4 side by the urging means 11, and the urging means 11 is the first joint plate as shown in FIGS. 2 and 4. A wire 20 having one end attached to the rear end of 9 (the end side of the other skeleton 4), a pulley 21 that supports the middle part of the wire 20, and an attachment attached to the other end of the wire 20. It is composed of a force tool 22, and the base end portion of the force tool 22 is attached to the lower part of the other skeleton 4. In this embodiment, a coil spring is used as the urging tool 22. One of the urging means 11 is provided for one first joint plate 9. In this embodiment, the urging tool 22 uses a coil spring, but a spring, a pull spring, a push spring, or the like may be used.

Further, in the present embodiment, the wire 20 and the urging tool 22 are attached so as to be slanted in consideration of the extension margin of the coil spring 22, but the wire 20 and the urging tool 22 are installed in the substantially vertical direction. You may. The extending direction (angle) of the wire 20 may be any, and the pulleys 21 may be further increased so as to extend “directly below”, “diagonally”, and “just beside”.

As an additional note, the wire 20 is once turned downward by the pulley 21 from the direction of entry and exit of the first joint plate 9. Attach the fastener of the wire 20 at a place separated from the pulley 21 by the moving dimension or more of the first joint plate 9, and then use the urging tool 22 (pulling spring) to move to the other skeleton 4 side. I'm urging.

In the present embodiment, the engaging portion 10 is provided on the wall surface of one of the skeletons 3 on the joint portion 2 side, and the upper end portion thereof protrudes upward from the floor surface of the one skeleton 3, and the protruding portion 10 protrudes. When the portion engages with the engaged portion 8 described above and the joint portion 2 becomes wider, the first joint plate 9 is projected toward one of the skeletons. The engaging portion 10 is a plate made of metal or the like and is fixed to the wall surface of one of the skeletons 3 with screws (not shown) or the like, but may be integrally formed with the one skeleton 3.

The second rail member 12 has the same shape as the first rail member 7, and in the present embodiment, a pair is provided so as to be substantially parallel to the joint portion 2b in the front-rear direction. The second rail member 12 is attached so that its upper surface is substantially orthogonal to the bottom surface of the first rail member 7.

The second joint plate 13 has substantially the same configuration as the first joint plate, and the left and right skeletons 3 and 4 of the second joint plate 13 also sway due to the earthquake, and the swaying movement is completed. At that time, it has a return means 23 that automatically returns to the normal state. In the present embodiment, similarly to the first joint plate 9, an urging means for urging the joint portion 2 in the direction opposite to the corner portion 2a is provided as the returning means 23. For example, as shown in FIG. 4, the returning means 23 used for the second joint plate 13 includes a wire 20 having one end attached near the rear end of the second joint plate 13 and a wire 20 of the wire 20. Attached to the other end, the second joint plate 13 is urged in the opposite direction to the corner 2a side of the joint portion 2, and the first joint at a portion separated from the rear end portion of the second joint plate 13. It is composed of an urging tool 22 attached to the plate 9.
The engaging portion 10 with which the engaged portion 8 of the second joint plate 13 engages is also provided on the wall surface near the corner portion 2a of the joint portion 2 of one of the skeletons 3.

By the way, in the present embodiment, the urging means for urging the second joint plate 13 is used as the returning means 23, but the width direction of the second joint plate 13 (direction orthogonal to the second rail member 12). The protruding end portion of the second joint plate 13 may be attached to one of the skeletons 3 so that the joint plate 13 can be slid and moved to the return means 23. By attaching in this way, even if the width of the joint portion 2 changes due to an earthquake, it can follow the swaying motion without being damaged, and when the swaying motion due to the earthquake ends, it automatically returns to the normal state. Return.

The width of the second joint plate 13 is the dimension in the length direction of the first joint plate 9 (the joint portion 2b in the front-rear direction is in the left-right direction, and the joint portion 2c in the left-right direction is in the front-rear direction). It is formed to have substantially the same size as or slightly smaller than the size (to cover the joint part 2), and in a normal state, the corners 2a of the joint part 2 are overlapped with each other with a gap in the vertical direction. Covering. In the normal state, the first joint plate 9 and the closing portion 6 are also located above the joint plate 9.

As shown in FIG. 5, the corner fixed joint plate 14 is formed by cutting out one corner of a square metal plate in an arc shape, and is fixedly attached to the floor surface of one of the skeletons 3. ing. The notch portion 24 is a fan-shaped notch of approximately 1/4 of a perfect circle, and the notch portion 24 is a fixed joint for the corner portion so as to face each other with a gap at the corner portion of the other skeleton 4. The plate 14 is arranged on the one side of the skeleton 3. Further, the cutout portion 24 is formed with dimensions and curvature so that the wall surface or the like of the other skeleton does not collide when the skeletons 3 and 4 swing and the joint portion 2 becomes narrow.

As shown in FIG. 6, the corner movable joint plate 16 is composed of a plurality of corner movable joint plate main bodies 25, and in the present embodiment, the corner movable joint plate main body 25 is composed of four corner movable joint plate main bodies 25. One end is pivotally supported by a pivot pin 15 on the wall surface of one of the skeletons 3 on the joint portion 2 side so as to overlap in the vertical direction, and the other end is formed so as to extend to the corner portion 2a of the joint portion 2. , It is formed so as to be able to close a part of the corner portion 2a of the joint portion 2.

The other end of the movable joint plate body 25 for corners is wide in a plan view, and a relief portion 26 cut out in an arc shape is formed on the other skeleton 4 side, and is like a naginata in a plan view. It is formed in a proper shape. When the joint portion 2 becomes wider, the joint portion 2 is opened by closing the corner portion 2a of the joint portion 2 between the fixed joint plate 14 for the corner portion and the corner portion of the other skeleton 4. It is preventing. That is, the fixed joint plate 14 for the corner portion and the movable joint plate 16 for the corner portion each close a part of the corner portion 2a of the joint portion 2, so that the joint portion 2 opens even if the joint portion 2 expands. Can be closed without.

The width of the other end of the corner movable joint plate body 25 is substantially the same as or smaller than the width of the corner fixed joint plate 14, and the relief portion 26 is abbreviated as the corner movable joint plate body 25. It is formed in the same shape, and like the notch 24, the movable joint plate body 25 for corners is also formed so that the other skeleton 4 does not collide and be damaged when the joint portion becomes narrow due to an earthquake. Has been done.

The shape of the movable joint plate body 25 for corners has a relief portion 26 that does not collide with the other skeleton 4 when the joint portion becomes narrow due to an earthquake, and is used for one or more corners. When the joint portion 2 is widened by the movable joint plate main body 25, the corner portion 2a of the joint portion 2 may be formed in a shape that does not open. For example, the joint portion 2 may be formed into an elongated rectangular shape in a plan view for a large number of corner portions. The joint portion can also be closed by the movable joint plate main body 25. In such a case, it is not necessary to form the relief portion 26.

The other ends of the plurality of movable joint plate bodies 25 for corners are connected to the movable joint plate bodies 25 for corners adjacent to each other in the vertical direction by a connecting member 27 such as a wire, and the pivot pin 15 No gap is formed between the other ends of the corner movable joint plate main body 25 when the joint is rotated around the fulcrum. Further, the other end of the uppermost movable joint plate body for corners (movable joint plate body for corners directly below the fixed joint plate 14 for corners) 25 is the fixed joint plate 14 for corners and the connecting member 27. It is connected with.

As the rotation mechanism 17, in the present embodiment, a spring 17 provided on the pivot pin 15 and urged to rotate toward the other skeleton 4 side is used, and a movable joint for the lowermost corner is used. The plate body 25 is urged to the other skeleton side and rotated to the other skeleton 4 side. By urging the lowermost movable joint plate body 25 for corners toward the other skeleton 4, the other movable joint plate body 25 for corners is also pulled by the connecting member 27, and is movable for corners in normal times. The joint plate 16 is in a state of being rotated around the corner portion 2a of the joint portion 2 in a substantially fan shape. In addition to this, for example, the other end of the lowermost movable joint plate body 25 for corners and the other skeleton 4 may be connected by a coil spring or the like to form a rotating mechanism 17.

By the way, on the bottom surface side of the corner movable joint plate 16, a support means 28 for supporting the corner movable joint plate 16 is provided.
The support means 28 has a rotating shaft 29 provided on the side wall surface of the joint portion of one of the skeletons 3 and a plate shape that rotates around the rotating shaft as a fulcrum, and the movable joint plate 16 for the corner portion is above the rotating shaft 29. It is composed of a support member 30 that supports the bottom surface of the.

The support member 30 of the support means 28 has an arm shape having a bracket, and supports the movable joint plate 16 for the corner portion at the upper portion thereof, preferably the movable joint plate 16 for the corner portion (movable for the lowermost corner portion). It is desirable that the joint plate body 25) is connected to the joint plate body 25) so as to rotate in conjunction with the joint plate body 25).

When the corner movable joint plate 16 is configured to rotate toward the other skeleton in the normal state, the support member 30 is also rotated toward the other skeleton 4 in the normal state, and if necessary. It is desirable to limit the rotation angle with a stopper or the like so that the rotation stops at a predetermined angle when the joint portion 2 between the skeletons 3 and 4 becomes wide.

Further, in the present embodiment, only one support means 28 is provided, but a plurality of support means 28 may be provided to support the bottom surface of the corner movable joint plate 16.

When one and the other skeletons 3 and 4 sway due to an earthquake and the joint portion 2 becomes narrower, as shown in FIGS. 8 and 9, the closed portions 6, the first and second joint plates 9 and 13 of the one skeleton 3 It slides on the floor to absorb the shaking caused by the earthquake.

At this time, the plurality of movable joint plate bodies 25 for corners are pressed against the wall surface of the other skeleton 4 and rotate around the pivot pin 15 as a fulcrum, and the fixed joint plate 14 for corners is notched. Since the portion 24 is formed and the relief portion 26 is formed in the movable joint plate 16 for the corner portion, the corner portion and the like of the other skeleton 4 are not damaged by the fixed joint plate 14 and the like for the corner portion due to the earthquake. Can absorb swaying movements. The other end of the corner movable joint plate body 25 is pressed by the other skeleton 4, but the corner movable joint plate body 25 is damaged because it rotates around the pivot pin 15 as a fulcrum. There is no such contact.

When the skeletons 3 and 4 sway due to the earthquake and the joint portion 2 becomes wider, as shown in FIGS. 10 and 11, the engaged portion 8 of the first joint plate 9 engages with the engaging portion 10, and a plurality of the engaged portions 10 are engaged. The first joint plate 9 and the second joint plate 13 slide to close the joint portions 2b and 2c in the front-rear direction and the left-right direction, and the movable joint plate main bodies 25 for a plurality of corner portions form the corner portions of the joint portion 2. It closes 2a so that it does not open, and absorbs the shaking motion caused by the earthquake. By the way, since the corner movable joint plate 25 is connected to the corner fixed joint plate 14 by the connecting member 27, it does not rotate more than a predetermined angle.

At this time, the bottom surface of the corner movable joint plate 16 is supported by the support member 30 of the support means 28, and even if a load is applied to the upper surface of the corner movable joint plate 16, it is supported without bending. Can be done.

When the shaking motion due to the earthquake is completed, the first joint plate 9 is automatically returned to the normal state by the urging force of the urging means 11, and the second joint plate 13 is automatically returned to the normal state by the returning means 19.

Further, the movable joint plate body 25 for corners is urged so as to rotate toward one skeleton 3 side as needed, and when urged in this way, for a plurality of corners. The movable joint plate main body 25 rotates to the lower part of the fixed joint plate 14 for corners and returns to the normal state.

[Different forms for carrying out the invention]
Next, different modes for carrying out the present invention shown in FIGS. 12 to 14 will be described. In the description of these different embodiments for carrying out the present invention, the same components as those of the first embodiment for carrying out the present invention are designated by the same reference numerals, and duplicate description will be omitted.

In the second embodiment for carrying out the present invention shown in FIGS. 12 to 14, the main difference from the first embodiment for carrying out the present invention is the pantograph-shaped link member 31 and the link member 31. The urging means 11A is composed of the urging tool 22A urging in the direction in which the squeeze contracts, and the attachment 32 fixed to one of the skeletons 3 and the attachment 32 provided on the attachment 32 of the first joint plate 9. In that the engaging portion 10A is formed by the sliding member 33 that engages with the engaged portion 8, even such a joint cover device 1A has the same operation as that of the first embodiment for carrying out the present invention. The effect can be obtained.

The first joint plate 9 on which the second joint plate 13 is located below is urged by the same urging means 11 as in the first embodiment, and a weight is used as the urging tool 22. May be good.

The engaging portion 10A of the present embodiment is formed in an angle shape, and one end is fixed to the wall surface of one of the skeletons 3 on the joint side. It is composed of a roller 33 as a sliding member 33 rotatably provided in the joint plate 9, and the roller engages with the engaged portion 8 of the first joint plate 9. The engagement portion 10A is not integrally formed with one of the skeletons 3, but is provided in this way to adjust the distance between the wall surface of the one skeleton 3 on the joint portion side and the protruding end of the first joint plate 9. For example, even if rainwater or the like bounces off, a distance can be taken so that it does not fall into the joint portion 2.

Although the form in which the movable joint plate body for the corners is used in a naginata shape in the plan view has been described, for example, a substantially L-shaped corner view or a rectangular movable joint plate body for the corners may be used. ..

Further, although the case where the movable joint plate for corners is composed of a plurality of movable joint plate bodies for corners has been described, the case where one movable joint plate body for corners can close the corners of the joints. The corner movable joint plate may be formed by using only one corner movable joint plate main body.

Further, although a wire using a wire as a rotation mechanism has been described, for example, a coil spring or the like may be used to pull out the mechanism, or a spring or the like may be provided on the pivot pin to rotate the movable joint plate for the corner to the other skeleton side. It may be a rotating mechanism that pulls out by urging it to move. With such a rotation mechanism, the main body of the movable joint plate for corners is always urged to rotate toward the other skeleton, and is normally pulled out to the other skeleton side. It becomes a state. When the joint is narrowed, the wall surface of the other skeleton presses the corner movable joint plate body, and the corner movable joint plate body is fulcrumed by the pivot pin against the urging force of the spring or the like. It can be rotated to absorb the swaying movement. When the rotating mechanism using such urging force is used, the movable joint plate body for the corners is normally rotated toward the other skeleton side (pulled out state).

Regarding the main body of the movable joint plate for corners, the one that rotates so as to protrude toward the other skeleton in normal times has been described, but for example, it is stored so as to overlap the lower part of the fixed joint plate for corners. It may be rotated by a rotating mechanism such as a wire having a predetermined length connected to the lowermost movable joint plate body for corners. In such a case, when one skeleton and the other skeleton sway so as to be separated from each other, this rotating mechanism pulls the lowermost movable joint plate body for corners and pulls it out to the other skeleton side. A plurality of movable joint plate bodies for corners are pulled by connecting members and pulled out to the corners of the joints like a folding fan. In addition, it is desirable to provide a returning means or the like for returning the pulled-out movable joint plate body for the corner portion to the origin.

The present invention is used in the industry of manufacturing joint cover devices.

1, 1A: Joint cover device, 2: Joint part,
3: One skeleton, 4: The other skeleton,
5: Seismic isolation device, 6: Blockage,
7: 1st rail member, 8: engaged part,
9: 1st joint plate, 10: engaging part,
11, 11A: urging means, 12: second rail member,
13: 2nd joint plate, 14: Fixed joint plate for corners,
15: pivot pin, 16: movable joint plate for corners,
17: Rotating mechanism, 18: Mounting part,
19: Joint plate support, 20: Wire,
21: Pulley, 22, 22A: Bouncer,
23: Return means, 24: Notch,
25: Movable joint plate body for corners, 26: Relief part,
27: Connecting member, 28: Supporting means,
29: Rotating shaft, 30: Support member,
31: Link member, 32: Fixture,
33: Sliding member.

Claims (5)

It is formed on one skeleton, the other skeleton provided via joints having corners on the one skeleton, and connected to the one skeleton via a seismic isolation device, and the other skeleton. , A closed portion that closes the joint portion in a normal state, a plurality of first rail members provided on the bottom surface of the closed portion, and a slidably supported by the first rail member, one of the skeletons. A first joint plate having an engaged portion that engages with the engaging portion of the above, an urging means for urging the first joint plate toward the other skeleton, and a bottom surface of the first rail member. A second rail member provided in the joint portion, a second joint plate provided so as to be slidably supported by the second rail member and projecting to a corner portion of the joint portion, and one of the skeletons. A fixed joint plate for a joint that is fixed to and closes a part of the corner of the joint, and a corner that is rotatably pivotally supported at one end of the one of the joints and closes a part of the corner of the joint. It is composed of a movable joint plate for use and a rotation mechanism for rotating the movable joint plate for corners toward the other skeleton.
A joint cover device in which a cutout portion is formed in the fixed joint plate for a corner portion so as to have a gap with respect to the corner portion of the other skeleton. The joint cover device according to claim 1, wherein the corner movable joint plate is formed with an arc-shaped relief portion on the other end side. The corner movable joint plate is composed of a plurality of corner movable joint plate bodies that overlap in the vertical direction, and the other end of the corner movable joint plate body is rotated around the pivot pin as a fulcrum. The joint according to claim 1 or 2, wherein each joint is connected by a connecting member so that a gap is not formed between the other ends of the corner movable joint plate main body. Cover device. The joint covering device according to any one of claims 1 to 3, further comprising a supporting means for supporting the bottom surface of the movable joint plate on the other end side. Claims 1 to 2, wherein the engaging portion is composed of a fitting fixed to one of the skeletons and a sliding member provided on the fitting and engaged with the engaged portion. The joint cover device according to any one of 4.

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