JP2001348965A - Joint cover apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a joint cover apparatus which can cover a joint portion as a passage along a narrow space between walls of right and left buildings or the like, and positively covers the joint portion without being damaged even if the right and left buildings pitch and roll in respectively different directions due to an earthquake or the like, by following the pitching and rolling. SOLUTION: The joint cover apparatus 1 is formed of a bearing floor 5 of one of the right and left buildings or the like, which are built via the joint portion 2, a mobile joint plate slidably attached to a floor surface of the bearing floor 5, a mobile-side joint plate with its rear end supported in a vertically movable manner, a fixed-side joint plate 8 of the other one of the right and left buildings or the like, a moving mechanism 9 for automatically upward thrusting and moving a free end of the mobile-side joint plate when the joint portion 2 is narrowed due to an earthquake or the like, and an engaging mechanism 10 for releasing engagement between the mobile joint plate and the fixed- side joint plate 8.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint cover device for covering a joint between walls of right and left buildings or the like or a wall between a building and the like and a floor built through the joint.

[0002]

2. Description of the Related Art A conventional joint cover device has a structure capable of absorbing the swaying motion when the left and right buildings sway in different left and right directions due to an earthquake or the like.

[0003]

Recently, seismically isolated buildings and buildings with suspended floor structures have increased, and when these buildings sway due to an earthquake or the like, the size of the swaying motion is large and different not only in the front-back direction but also in different directions. There is also a drawback that the conventional structure cannot follow these swinging movements.

The present invention has been made in view of the above-mentioned conventional drawbacks,
The joints between narrow walls such as left and right buildings or between the walls and floors of buildings etc. can be covered as passages without steps, and even if the left and right buildings swing in different directions from front to back and left and right due to an earthquake, etc. An object of the present invention is to provide an joint cover device that can reliably cover an joint portion without being damaged by following the above.

The above and other objects and novel features of the present invention will become more completely apparent when the following description is read in conjunction with the accompanying drawings. However, the drawings are for explanation only, and do not limit the technical scope of the present invention.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention relates to a method in which substantially half of the joints attached to the wall frame of one of the right and left buildings, etc., built through joints. A supporting floor to be covered, a movable joint plate slidably mounted on the floor surface of the supporting floor, the movable joint plate being capable of covering the joint, and a portion of the support floor opposite to the joint to cover the movable joint plate. A movable joint plate whose rear end is supported so that it can move vertically, and the free end of the movable joint plate can be supported with its leading end abutting or having a slight gap. A fixed joint plate provided on a wall frame of the other building such as a left and right building, and a free end of the movable joint plate when the left and right buildings swing due to an earthquake or the like so that the joint portion becomes narrow. Press the part automatically A moving mechanism for moving the joint, the joint between the movable joint plate and the fixed joint plate is released when the joint is narrowed, and the movable joint is released when the joint is widened. The joint cover device is constituted by an engagement mechanism that can pull out the plate in the engaged state so as to cover the joint and at the same time support the joint.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the embodiments shown in the drawings.

In the first embodiment of the present invention shown in FIGS. 1 to 8, reference numeral 1 designates a passage provided between joints 2 and covering the wall frames 4, 4A of right and left buildings 3, 3, etc. In the joint cover device of the present invention, the joint cover device 1 is formed so as to protrude from the wall frame 4 on one joint side of the left and right buildings 3, 3 or the like so as to cover almost half of the interval between the joints 2. A support floor 5 provided, a plurality of movable joint plates 6 slidably mounted on the floor surface of the support floor 5,
A plurality of movable joint plates 7, the rear ends of which are vertically movably supported on a floor surface of the support floor 5 on the side opposite to the joint, and which cover the movable joint plate 6 so as to be slidable;
The left and right buildings 3, which support the free end of the movable joint plate 7 with the leading end abutting or having a slight gap,
A fixed side joint plate 8 provided so as to protrude from a wall frame 4A on the other joint side such as 3;
When the joint 3 sways to narrow the joint 2 due to an earthquake or the like, a moving mechanism 9 using an inclined surface for automatically pushing up and moving the free end of the movable joint plate 7.
When the joint portion 2 swings so as to become narrower, the engagement state between the movable joint plate 6 and the fixed-side joint plate 8 is released, and when the joint portion 2 swings so as to become wider, The joint plate 6 is composed of a locking piece that can be pulled out so as to cover the joint portion 2 in an engaged state and that can be supported at the same time, and an engaging mechanism 10 using the engaging piece.

As shown in FIG. 2, the support floor 5 has a plurality of cylindrical bearing members 11 fixed to the floor surface on the side opposite to the joint so as to protrude upward at predetermined intervals. A plurality of one stopper pieces 1 which are formed at predetermined intervals in the longitudinal direction at a floor portion near the bearing member 11 and protrude upward.
2, a plurality of mountain-shaped projections 13 formed at predetermined intervals in the longitudinal direction on a floor surface portion near the one stopper piece 12, and a floor end portion of the support floor 5 on the joint side. And a plurality of other stopper pieces 14 formed at predetermined intervals in the longitudinal direction and protruding upward.

As shown in FIG. 4, the movable joint plate 6 has rollers 15, 15 located between the one stopper piece 12 and the projection 13 at the lower part of one end located on the opposite joint side. Are rotatably provided with two support bars 16, 16 made of a metal square pipe material, and a metal material fixed by welding, countersunk screws or the like so as to cover the upper surfaces of the two support bars 16, 16. And a cover plate 17 made of aluminum.

As shown in FIG. 5, the movable side joint plate 7 has a slanted surface 18 of a moving mechanism 9 formed at its free end.
A movable side made of a dish-shaped metal material on which tiles and the like are installed via mortar, concrete, or the like so that the upper surface covering the movable joint plate 6 so as to allow sliding movement is substantially flush with the fixed side joint plate 8. Joint plate body 19,
Rod-shaped support pins 20, 20 movably supported up and down by the bearing members 11 attached at predetermined intervals to the rear end portion of the bottom surface of the movable joint plate body 19;
20 and at least one guide roller 21, 21 in the present embodiment, attached to the bottom surface portion of the free end of the movable joint plate body.

As shown in FIG. 2, the fixed-side joint plate 8 is formed with an inclined surface 22 of the moving mechanism 9 corresponding to the inclined surface 18 at an end portion on the joint portion side so that the joint portion 2 becomes narrow. When swinging, the inclined surface 22 becomes the inclined surface 18.
It is provided on the other wall body 4A of the left and right buildings 3, 3 and the like so as to be able to contact and push up.

As shown in FIGS. 2 and 3, the engagement mechanism 10 has a protruding end formed at an inner wall surface at both ends on the joint side of the movable joint plate 6. As shown in FIGS. A substantially L-shaped engagement piece 24 having one engagement piece 23, and opposes such that the movable joint plate 6 can be supported from both side surfaces in a state of being always engaged with the engagement piece 24; The fixed-side joint plate 8 is formed of a substantially J-shaped other engagement piece 26 having a protruding other engagement piece 25 at a tip protruding downwardly attached to a portion near the tip of the bottom face of the joint plate 8. ing.

In the joint cover device 1 having the above-described structure, when a rocking motion occurs such that the space between the joint portions 2 is widened due to an earthquake or the like, the movable joint plate 6 is engaged with the fixed joint plate 8 as shown in FIG. When the roller 15 at the end of the movable joint plate 6 slides on the support floor 5 toward the joint while being supported by the above, the roller 15 slides so as to be pulled out toward the joint and absorbs its swinging movement. In addition, when a shaking motion that narrows the joint portion 2 occurs,
As shown in FIG. 7, when the movable joint plate 6 abuts on the bearing member, the engagement state with the fixed joint plate 8 is released, and the fixed joint plate 8 supports the movable joint plate 6. Simultaneously with the sliding movement toward the anti-joint portion side, the inclined surface 22 at the tip end of the fixed-side joint plate 8 pushes up the inclined surface 18 at the free end of the movable-side joint plate 7, and the movable-side joint plate 7 and the fixed-side joint plate 8 and slide so that they overlap,
Absorb the shaking movement. Thereafter, when the joint portion returns to the normal state, the roller 15 of the movable joint plate 6 is fitted between one of the stopper pieces 12 and the protrusion 13, and
At the same time as the roller 15 is locked with the projection 13 as a stopper, the one and the other engagement pieces 24 and 26 return to the engaged state. Further, when the left and right buildings 3, 3 and the like swing in the front and rear directions different from each other, as shown in FIG. Absorb.

[0015]

Next, different embodiments of the present invention shown in FIGS. 9 to 46 will be described. In addition,
In the description of the different embodiments of the present invention, the same components as those of the first embodiment of the present invention are denoted by the same reference numerals, and duplicate description will be omitted.

The second embodiment of the present invention shown in FIGS. 9 to 12 is different from the first embodiment of the present invention mainly in that the movable joint plate 6 slides on both sides. In order to be able to support as much as possible, the other locking piece 25 is provided at a position near the front end on the joint part side, which can be engaged with one engaging piece attached to the bottom part of the fixed side joint plate 8. The other rail-shaped engaging piece 2 having
The joint cover device 1A configured using the engagement mechanism 10A thus formed is similar to the first embodiment of the present invention in that the engagement mechanism 10A using the 6A is used. An effect can be obtained.

The third embodiment of the present invention shown in FIG. 13 to FIG. 15 is mainly different from the second embodiment of the present invention in the point that the both sides located near the joints are closer to the tips. The movable joint plate 6A formed in this manner is different in that a movable joint plate 6A made of a metal-made cover plate 17A having a U-shaped cross section and provided with rollers 15 and 15 on the inner wall surface of the portion is used. Joint cover device 1 configured using
Even in the case of B, the same operation and effect as those of the second embodiment of the present invention can be obtained.

In the fourth embodiment of the present invention shown in FIGS. 16 to 19, the main difference from the first embodiment of the present invention is that the bottom surface of the fixed-side joint plate 8 on the joint side is provided. The other L-shaped engagement piece 26B having the other engagement piece 25 at the tip attached to the end portion in the longitudinal direction in the longitudinal direction
The movable joint plate 6 is mounted on the upper surface of the cover plate 17 of the movable joint plate 6 near the joint side end portion so that the movable joint plate 6 can be always engaged with the other engagement piece 26B. An engagement mechanism 10 including one L-shaped engagement piece 24A having one engagement piece 23 formed at the set distal end so as to be engaged in the other engagement piece 26B.
B, the engagement mechanism 10B thus formed
The same effect as that of the first embodiment of the present invention can also be obtained with the joint cover device 1C configured by using the first embodiment.

The fifth embodiment of the present invention shown in FIGS. 20 to 22 is mainly different from the first embodiment of the present invention in that a joint recess is provided at a tip end portion of a fixed joint plate 8. The joint cover device 1D constructed using the moving mechanism 9A formed in this way is different from the first embodiment of the present invention in that the moving mechanism 9A using the push-up piece 28 capable of forming the 27 is used. The same operation and effect as those of the embodiment can be obtained.

In the sixth embodiment of the present invention shown in FIGS. 23 to 25, the main difference from the fourth embodiment of the present invention is that the support floor 5 is attached to an end portion of the floor surface of the support floor 5. The other roller piece 14A, which is a roller whose lower part is a hemisphere or the like, a roller in the present embodiment,
The other engagement piece 26B, one engagement piece 24A, and one end are locked by mounting pieces 29a, 29a formed so that one end protrudes downward at the joint side portion of the movable joint plate 6B,
A biasing spring 2 that constantly biases the movable joint plate, the other end of which is locked to a wall frame 4 of one of the buildings 3, toward the joint-free side.
The joint cover device 1 </ b> E configured using the engagement mechanism 10 </ b> C thus formed is different from the fourth embodiment of the present invention in that the engagement mechanism 10 </ b> C including the engagement mechanisms 9 and 29 is used. Similar effects can be obtained. In the present embodiment, a description has been given of the case where a roller as a stopper piece is used so that the stopper can be slid in the left-right direction. However, the present embodiment is not limited to this, and a stopper that is fixedly attached is used. The piece 14 may be used.

The seventh embodiment of the present invention shown in FIGS. 26 to 32 is different from the first embodiment of the present invention mainly in that tiles and decorative boards 30 are provided on the upper surface and joints are provided. One supporting floor 33 covering almost half of the joint 2 provided integrally with a floor frame 32 having a concave portion 31 formed at an end portion on the side of the part, and a wall frame 4 of the other building 3 provided integrally. The other supporting floor 3 covering almost half of the joint area
4, an L-shaped cover plate 17B made of a metal material slidably provided on the floor surfaces of the one and the other support floors 33 and 34, and a frame formed on an inner wall surface of a side portion of the cover plate 17B. Two carts 4 each having a reinforcing bar 43 shaped and welded or fixed with a plurality of screws or the like, and bogie rollers 44, 44 rotatably mounted on the lower surface of the reinforcing bar 43.
A movable joint plate 6C comprising the movable joint plates 5 and 45, and a bolt or a fixing pin 35 attached to the bottom surface portion of the rear end portion so as to cover the movable joint plate 6C, and is fixed in the concave portion 31. A fixed metal joint plate body 37 made of a dish-shaped metal material having a plate 36 formed therein, and a tile installed on the floor frame 32 attached to the interior 38 of the fixed metal joint plate body 37 via mortar or concrete 39 Side joint plate 8A composed of tiles or decorative panels 30 similar to the decorative panel 30 or the decorative panel 30, and a pin insertion hole 41 formed in the other concave portion 40 formed in the wall frame 4 of the other building 3 and the pin A movable pin joint plate body 19 made of a dish-shaped metal material having a support pin 20 inserted into the insertion hole 41 movably up and down and formed at a bottom portion of a rear end portion and an inclined surface 18 formed at a free end portion. From the tiles and decorative boards 30 installed in the same manner as the tiles and decorative boards 30 installed on the fixed-side joint plates 8A mounted in the interior 42 of the movable-side joint plate body 19 via mortar or concrete 39. The movable side joint plate 7A, one engagement piece 24C formed so as to protrude upward at the joint part side end of the one support floor 33, and the joint part side end of the other support floor 34 The joint cover device 1F having the above-described structure according to the first aspect of the present invention differs from the joint cover device 1F in that an engagement mechanism 10D including the other engagement piece 25A formed so as to protrude upward from the portion is used. The same operation and effect as those of the embodiment can be obtained. In the present embodiment, the movable joint plate that can slide in the front-rear and left-right directions has been described. However, the present embodiment is not limited to this, and the movable joint plate is fixed so that it can slide in the left-right direction. A movable joint plate having a roller attached thereto may be used.

The eighth embodiment of the present invention shown in FIGS. 33 to 37 is mainly different from the seventh embodiment of the present invention in that a movable joint plate 7B is provided on a fixed joint plate 8A. Is formed at the lower end of the moving mechanism 9 at the lower end where it slides on the inclined surface 36, and is formed at the lower end of the moving mechanism 46 of the moving mechanism 9B in the embodiment of the present invention. In that it uses a step plate 48 that is mounted to rotate in the
Even with the joint cover device 1G configured as described above, the same operation and effect as those of the first embodiment of the present invention can be obtained.

In the ninth embodiment of the present invention shown in FIGS. 38 to 43, the main difference from the seventh embodiment of the present invention is that the height of the support floor 33 is substantially the same as that of the one support floor 33. The other support floor 34 attached to the wall frame 4 of the other building 3 and a fixed-side joint plate fixedly attached to a fixing member 49 provided at the wall frame portion above the other support floor 34 8A and a plate-shaped movable joint plate body 1 made of metal material in which inclined surfaces 50, 50 of a moving mechanism formed at both ends are supported by respective fixed joint plates 8A.
9A, a movable joint plate 7D composed of a support rod 51 fixedly or rotatably attached to a bottom surface portion substantially at the center of the movable joint plate main body 19A, and a support rod 51 of the movable joint plate 7D. A cover plate 17C made of a metal material having a U-shaped cross section and having an insertion hole 52 that is inserted in an engaged state and is formed at a substantially central portion of an upper surface thereof and that can support the movable joint plate 7D. In that a movable joint plate 6D including a reinforcing bar 43 having rollers 15 at both ends fixed to the inner surface portions of both side surfaces by welding or a plurality of screws in a frame shape at both side surfaces,
Even with the joint cover device 1H configured as described above, the same operation and effect as those of the seventh embodiment of the present invention can be obtained.

The tenth embodiment of the present invention shown in FIGS.
The seventh embodiment of the present invention is different from the seventh embodiment mainly in that a bolt 5 is attached to a wall frame 4 of the other building 3.
The other support floor 34A having a support bar member 54 on the bottom surface covering substantially half of the joint portion 2 fixedly attached by using the support bar 34.
The joint cover device 1I configured in this way in that
In this case, the same operation and effect as those of the first embodiment of the present invention can be obtained, and the other support floor 34A can be mounted at a predetermined position in accordance with the installation conditions.

Although the movable joint plate and the movable joint plate used in each of the embodiments of the present invention have been described using rollers, the present invention is not limited to this.
A sliding support having a hemispherical lower portion may be provided in place of the roller so as to be able to slide in the front-rear and left-right directions.

[0026]

As apparent from the above description, the following effects can be obtained in the present invention.

(1) A support floor attached to the wall frame of one of the right and left buildings, etc., built through the joint, covering almost half of the joint, and sliding on the floor of the support floor. A movable joint plate capable of covering the joint portion movably attached thereto, and a movable side having a rear end portion movably supported vertically so as to cover the movable joint plate at an opposite joint side portion of the support floor. The joint plate and the movable joint plate are provided on the wall structure of the other building such as the left and right buildings so that the free end of the joint plate on the movable side can be supported with an abutment or a slight gap. A fixed-side joint plate, and a moving mechanism that automatically pushes up and moves the free end of the movable-side joint plate when the left and right buildings swing so as to narrow the joint portion due to an earthquake or the like,
When the joint is narrowed, the engaged state between the movable joint plate and the fixed joint plate is released, and when the joint is widened, the movable joint plate is engaged with the movable joint plate. It is composed of an engagement mechanism that can be pulled out to cover the joints and can be supported at the same time, so that the upper surface of the movable joint plate and the fixed joint plate is always almost the same and there is no gap. Can be covered. Therefore, while improving the aesthetic appearance, the joints can be reliably covered even between the narrow walls of the left and right buildings, and can be used efficiently as a passage.

(2) According to the above (1), when the joint part is rocked by an earthquake or the like so that the joint part becomes narrow, the movable joint plate and the fixed joint plate overlap each other,
The swing movement can be absorbed.

(3) According to the above (1), when the joint part swings so as to become wider, the free end of the movable joint plate slides on the support floor, and the swing movement can be absorbed.

(4) According to the above (1), since the rear end of the movable joint plate is supported by the fixed joint plate, even if the right and left buildings swing in different front and rear directions, the swing motion is absorbed. Can be.

(5) Claims 2 and 3 also have the above (1) to (3).
The same effect as (4) can be obtained.

[Brief description of the drawings]

FIG. 1 is a plan view of a first embodiment of the present invention.

FIG. 2 is an enlarged sectional view taken along line 2-2 of FIG.

FIG. 3 is an enlarged sectional view taken along line 3-3 in FIG. 1;

FIG. 4 is an explanatory view of a movable joint plate according to the first embodiment of the present invention.

FIG. 5 is an explanatory diagram of a movable joint plate according to the first embodiment of the present invention.

FIG. 6 is an explanatory diagram of an operation when a joint portion is widened.

FIG. 7 is an explanatory diagram of an operation when a joint portion becomes narrow.

FIG. 8 is an explanatory diagram of an operation in a case of swinging back and forth.

FIG. 9 is a plan view of a second embodiment of the present invention.

FIG. 10 is an enlarged sectional view taken along line 10-10 of FIG. 9;

FIG. 11 is an enlarged sectional view taken along line 11-11 of FIG. 9;

FIG. 12 is an explanatory diagram of the other engagement piece according to the second embodiment of the present invention.

FIG. 13 is a plan view of a third embodiment of the present invention.

FIG. 14 is an enlarged sectional view taken along line 14-14 of FIG. 13;

FIG. 15 is an explanatory view of a movable joint plate according to a third embodiment of the present invention.

FIG. 16 is a plan view of a fourth embodiment of the present invention.

FIG. 17 is an enlarged sectional view taken along line 17-17 in FIG. 16;

FIG. 18 is an explanatory diagram of one and the other engagement pieces of the fourth embodiment of the present invention.

FIG. 19 is an explanatory diagram of the operation in the case of swinging back and forth.

FIG. 20 is a plan view of a fifth embodiment of the present invention.

FIG. 21 is an enlarged sectional view taken along line 21-21 of FIG. 20;

FIG. 22 is an explanatory view of a fixed-side joint plate according to a fifth embodiment of the present invention.

FIG. 23 is a plan view of a sixth embodiment of the present invention.

FIG. 24 is an enlarged sectional view taken along line 24-24 in FIG. 23;

FIG. 25 is an explanatory view of a movable joint plate according to a sixth embodiment of the present invention.

FIG. 26 is a plan view of a seventh embodiment of the present invention.

FIG. 27 is an enlarged sectional view taken along line 27-27 of FIG. 26;

FIG. 28 is an explanatory diagram of a movable joint plate according to a seventh embodiment of the present invention.

FIG. 29 is an explanatory diagram of a movable joint plate according to a seventh embodiment of the present invention.

FIG. 30 is an explanatory diagram of a fixed-side joint plate according to a seventh embodiment of the present invention.

FIG. 31 is an explanatory diagram of the operation when the joint portion is widened.

FIG. 32 is an explanatory diagram of the operation when the joint portion is narrowed.

FIG. 33 is a plan view of the eighth embodiment of the present invention.

FIG. 34 is an enlarged sectional view taken along line 34-34 of FIG. 33;

FIG. 35 is an explanatory diagram of a movable joint plate according to an eighth embodiment of the present invention.

FIG. 36 is an explanatory diagram of the operation when the joint portion is widened.

FIG. 37 is an operation explanatory diagram in the case where the joint portion becomes narrow.

FIG. 38 is a plan view of a ninth embodiment of the present invention.

FIG. 39 is an enlarged sectional view taken along the line 39-39 in FIG. 38;

FIG. 40 is an explanatory diagram of a movable joint plate according to a ninth embodiment of the present invention.

FIG. 41 is an explanatory view of a movable joint plate according to a ninth embodiment of the present invention.

FIG. 42 is an explanatory diagram of the operation when the joint portion is widened.

FIG. 43 is an explanatory diagram of the operation when the joint part becomes narrow.

FIG. 44 is a plan view of a tenth embodiment of the present invention.

FIG. 45 is an enlarged sectional view taken along the line 45-45 in FIG. 44;

FIG. 46 is an explanatory diagram of a fixed-side joint plate according to the tenth embodiment of the present invention.

[Explanation of symbols]

1, 1A-1I: joint cover device, 2: joint part,
3: building, 4: wall frame, 5: support floor, 6, 6A-6D: movable joint plate, 7, 7A-7
D: movable joint plate, 8, 8A: fixed joint plate, 9, 9A: moving mechanism, 10, 10A to 10D: engaging mechanism, 11: bearing member, 12: one stopper piece, 13: protrusion, 14 , 14A: the other stopper piece, 15: roller, 16: support bar, 17, 17A, 17B, 17C: cover plate, 18:
Inclined surface, 19, 19A: movable joint plate body, 2
0: support pin, 21: guide roller, 22: inclined surface, 23: one locking piece, 24, 24A,
24B, 24C: one engagement piece, 25: the other engagement piece,
26, 26A, 26B, 26C: the other engagement piece, 27:
Joint recess, 28: push-up piece, 29: biasing spring, 30: tile or decorative board 31: recess, 32: floor frame, 33: one support floor, 34, 34A: the other support floor, 35: bolt or fixed Pin, 36: inclined surface, 37: fixed side joint plate main body, 38: inside, 39: mortar or concrete, 40: other concave part, 41: pin insertion hole, 42: inside, 43: reinforcing bar, 44:
Bogie roller, 45: bogie, 46: moving recess,
47: hinge member, 48: step plate, 4
9: fixing member, 50: inclined surface, 51: support rod, 52: insertion hole, 53: bolt.

Claims (3)

[Claims] 1. A support floor attached to a wall frame of one of the right and left buildings or the like built through a joint, covering substantially half of the joint, and slidable on the floor of the support floor. A movable joint plate capable of covering the joint portion attached to the movable joint plate; and a movable joint having a rear end supported movably up and down at an opposite joint portion side of the support floor so as to cover the movable joint plate. Plate and the free end of the movable joint plate are provided on the wall frame of the other building such as the left and right buildings, so that the free end can support the front end with a contact or a slight gap. Fixed side joint plate,
A moving mechanism that automatically pushes up and moves a free end of the movable side joint plate when the left and right buildings swing so that the joints become narrower due to an earthquake or the like, and when the joints become narrower, Release the engaged state between the movable joint plate and the fixed joint plate, and when the joint portion is widened, pull out the movable joint plate in the engaged state so as to cover the joint portion. And an engagement mechanism capable of supporting the joint. 2. A support floor, which is attached to a wall frame of one of the right and left buildings or the like built through joints and covers substantially half of the joints, and is slidable on the floor of the support floor. A movable joint plate capable of covering the joint portion attached to the movable joint plate; and a movable joint having a rear end supported movably up and down at an opposite joint portion side of the support floor so as to cover the movable joint plate. Plate and the free end of the movable joint plate are provided on the wall frame of the other building such as the left and right buildings, so that the free end can support the front end with a contact or a slight gap. Fixed side joint plate,
When the left and right buildings and the like swing due to an earthquake or the like so that the joints become narrower, the free end of the movable joint plate is automatically pushed up by contacting the distal end of the fixed joint plate and moving. Opposing inclined surfaces, or one is inclined surface and the other pushes up the inclined surface,
A moving mechanism using a push-up piece to be moved, and when the joint is narrowed, the engagement state between the movable joint plate and the fixed joint plate is released, and the joint is widened. The joint cover device comprises: an engaging mechanism capable of pulling out the movable joint plate in an engaged state so as to cover the joint portion and supporting the joint at the same time. 3. A support floor covering substantially half of the joints attached to a wall or a floor frame of one of the left and right buildings or the like built through joints and the other of the left and right buildings and the like. Covering the other half of the joints attached to the wall or floor frame of the building, and covering the joints slidably attached to the floor surfaces of the one and the other support floors. A movable joint plate, a fixed joint plate fixedly attached to a wall or a floor frame of one of the right and left buildings or the like so as to cover the movable joint plate, and a tip end of the fixed joint plate. A movable joint that has a rear end supported movably up and down by a wall or a floor frame of the other building such as the left and right buildings so that the free end can be supported with a contact or a gap. Plate and said When the left and right buildings and the like swing due to an earthquake or the like so that the joints become narrower, the free end of the movable joint plate is automatically pushed up and moved by contacting the tip of the fixed joint plate. A movable mechanism using a push-up piece that pushes and moves the opposite inclined surface, or one of which is the inclined surface and the other pushes up the inclined surface, and the joint that can always support the movable joint plate. An joint mechanism for pulling out the movable joint plate in an engaged state so as to cover the joint when the part is widened.