JP2023180282A - floor joint device - Google Patents

Abstract

To provide a floor joint device capable of absorbing shaking without exceeding a border line even if a building frame is provided near the border line.SOLUTION: A floor joint device 1 is provided at a joint part 2 between one building frame 3 and an other building frame 4. The floor joint device comprises: a joint plate 8 whose one end is supported by a joint plate support part 5 provided on the one building frame 3 and whose other end is supported by a joint plate support member 5 provided on the other building frame 4; a plurality of fixing support cylinders 11 that are fixed in parallel in a front-back direction on the other building frame 4; a plurality of movable support cylinders 12 whose fitting ends are respectively inserted into the fixing support cylinders 11 so as to be slidable in a right-left direction; an energizing means 13; a connection member disposed on protruded ends of the movable support cylinders 12; a slide support member that is disposed on the other building frame 4 and supports a bottom of the movable support cylinder 12; and a falling prevention means to prevent the movable support cylinder from falling from the fixing support cylinder 11.SELECTED DRAWING: Figure 1

Description

The present invention relates to a floor joint device that closes a joint between left and right building blocks provided through a joint.

Conventionally, when the joint between the left and right building blocks narrows due to an earthquake, the joint plate rises upwards and absorbs the shaking movement. In the joint device, there is a joint plate attachment part provided on one body, a joint plate support part provided on the other body, one end is attached to the joint plate attachment part, and the other end is attached to the joint plate support. The joint plate is composed of a shallow dish-shaped joint plate main body, a filling member filled inside the joint plate main body, and a joint plate provided at one end side of the joint plate main body. a mounting pin inserted into the joint plate mounting portion; a joint plate push-up piece fixed to the bottom surface of the joint plate body; and a cover provided on the other end of the joint plate body via a hinge member. A floor joint, characterized in that the mounting pin has a length that is at least twice the height of the joint plate main body, and the joint plate push-up piece is formed in a substantially inverted trapezoid shape. ``device'' is known (Patent Document 1).

However, with such a floor joint device, in order to absorb the shaking motion caused by an earthquake, it is necessary to prevent one frame from colliding with the other frame when the joint becomes narrow, and to widen the joint. In order for the joint plate to close the joint without falling off, the joint plate needs to be at least twice the horizontal dimension of the joint, and the other frame must have enough space to allow the joint plate to slide. I needed length. In other words, the length of the joint part and the part where the joint plate of the other frame slides must be at least three times the length of the joint part, and if the other frame is located near the boundary line, There was a drawback that the dimensions for the sliding movement of the joint plate could not be secured.

JP 2018-131763 Publication

In view of the above-mentioned drawbacks of the conventional art, the present invention is capable of sealing the joints so that they do not open even when a building structure is installed near the boundary line, and also prevents damage to the joint plates and the building structure in the event of an earthquake. The purpose of the present invention is to provide a floor joint device capable of absorbing swaying motion without causing damage or exceeding a boundary line.

These and other objects and novel features of the present invention will become more fully apparent when the following description is read in conjunction with the accompanying drawings.
However, the drawings are solely for illustrative purposes and do not limit the technical scope of the present invention.

In order to achieve the above object, a floor joint device according to claim 1 of the present invention is a floor joint device provided at a joint between one body frame and the other body frame, a joint plate support part provided on the other body, a joint plate support member provided on the other body, one end supported by the joint plate support part, and the other end supported by the joint plate support member. The joint plate support member includes a plurality of fixed support tubes fixed in parallel in the front-rear direction to the other body, and a fitting end that is slidable in the left-right direction on each of the fixed support tubes. a plurality of movable support tubes into which the movable support tubes are inserted; a biasing means connected to the fixed support tube and the movable support tube so that the movable support tubes protrude toward one of the body frames; a connecting member provided on the protruding end of the movable support tube to connect the protrusion ends of the plurality of movable support tubes and supporting the bottom surface of the joint plate on the upper part; The present invention is characterized in that it includes a sliding support member that supports the bottom of the movable support tube, and a falling-off prevention means that prevents the movable support tube from falling off the fixed support tube.

The fitting end of the movable support tube of the floor joint device according to claim 2 is always supported inside the fixed support tube via a sliding member.

The joint plate supporting portion of the floor joint device according to claim 3 is provided with a locking pile that is slidably provided in the vertical direction, and the locking pile is provided on one end side of the joint plate. It is characterized by being connected to a pile case.

As is clear from the above description, the present invention provides the following effects.
(1) In the invention set forth in claim 1, the joint plate support member is configured to include a plurality of fixed support tubes fixed in parallel in the front-rear direction to the other body, and to be slidable in the left-right direction on each of the fixed support tubes. a plurality of movable support tubes into which fitting ends are inserted; and a biasing means connected to the fixed support tube and the movable support tube so that the movable support tubes protrude toward one of the body frames; a connecting member provided on the protruding end of the movable support cylinder to connect the protruding ends of the plurality of movable support cylinders and supporting the bottom surface of the joint plate on the upper part; and a connecting member provided on the other frame and connected to the bottom of the movable support cylinder. and a falling-off prevention means that prevents the movable support tube from falling off the fixed support tube, the joint plate of the other frame slides more easily than in a normal floor joint device. It is possible to shorten the length of the part to be used.
Therefore, even if the boundary line of a third party's site is located near the joint plate, it is possible to absorb the shaking motion without exceeding the boundary line.
(2) Since it is equipped with a connecting member that supports the bottom of the joint plate and a sliding support member that is provided on the other body and supports the bottom of the movable support cylinder, the load when supporting the joint plate is distributed. be able to.
(3) In the invention according to claim 2, the same effects as those in (1) and (2) above can be obtained, and the movable support cylinder can be smoothly slid.
(3) In the invention according to claim 3, the same effects as in (1) to (3) above can be obtained, and even if the joint plate rises upward, the locking pile will not fall off. can be reliably prevented.

1 to 7 are explanatory diagrams showing a first embodiment of the present invention.
8 and 9 are explanatory diagrams showing a second embodiment of the present invention.
FIG. 1 is a plan view of a floor joint device according to a first embodiment. FIG. 2 is a sectional view taken along line 2-2 in FIG. 1. An explanatory diagram of a joint plate support member. An explanatory diagram of a joint plate. An explanatory diagram of a locking pile. An explanatory diagram of the operation when the joint is narrowed due to an earthquake. An explanatory diagram of the operation in a state where the joint area has become wider due to an earthquake. FIG. 7 is a plan view of a floor joint device according to a second embodiment. FIG. 9 is a sectional view taken along line 9-9 in FIG. 8;

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to embodiments for carrying out the invention shown in the drawings. Note that in this specification, the direction is referred to as the left-right direction and the front (lower part of the drawing) and rear (upper part of the drawing) direction with reference to FIG. Also, with reference to FIG. 2, it is referred to as an upward direction (upward direction in the drawing) and downward direction (downward direction in the drawing direction).

Furthermore, in the present invention, a frame refers to a structure such as a building, a road, a slab, an elevator shaft, etc., in which joint plates can be installed, and an entrance means not only a door or an entrance with a door, but also a building where people, vehicles, etc. It also includes passages that can be passed through.

In a first embodiment of the present invention shown in FIGS. 1 to 7, reference numeral 1 refers to a floor joint 2 provided through a joint 2 between one frame 3 and the other frame 4 to close the joint 2. It is a device.
As shown in FIG. 2, FIG. 6, and FIG. 7, for example, this floor joint device 1 includes a joint plate support portion 5 provided on one frame 3 on the left side of the drawing, and a joint plate support portion 5 that is attached to the joint plate support portion 5 in the vertical direction. A plurality of locking stakes 6 are movably provided, a joint plate support member 7 is provided on the other frame 4 on the right side of the drawing and includes a plurality of structural members, and one end thereof is attached to the joint plate support portion 5. The joint plate 8 is supported at one end thereof, into which the locking pile 6 is inserted, and the other end on the opposite side is supported by a joint plate support member 7.

First, in this embodiment, the joint plate support portion 5 is formed in the shape of a recess in the front-rear direction near the end of one frame 3 on the joint side. A locking pile insertion hole 9 into which a plurality of locking piles 6 are inserted is formed in this joint plate support portion 5 .

The depth (length) of the locking pile insertion hole 9 is longer than the thickness of the joint plate 8, preferably 1.5 times or more. By forming the joint plate to such a length and inserting the locking stake 6, even if the other end of the joint plate 8 on the opposite side rises upward and the joint plate 8 rises in a substantially horizontal position, Even if there is, the locking pile 6 can be prevented from coming out of the locking pile insertion hole 9.

Next, as shown in FIG. 3, the joint plate support member 7 has a square tube shape or a track cross-sectional shape, for example, and is made up of a large number of fixed supports that are fixed in parallel to the other frame 4 in the front-back direction, for example, with almost no gaps. a cylinder 11, a square cylinder-shaped movable support cylinder 12 whose fitting end is slidably inserted in the left and right direction into the fixed support cylinder 11, and which supports the other end of the joint plate 8; and the movable support cylinder. A biasing means (for example, a biasing spring) 13 is installed internally with the left and right ends connected to the fixed support tube 11 and the movable support tube 12 so that the biasing means 12 protrudes toward the one body 3 side (outward). and a support part 14 that is integrally provided on the protruding end of the movable support cylinder 12, connects the protruding ends of the plurality of movable support cylinders 12, and supports the bottom of the joint plate 8 on the upper part. A connecting member 15 provided, a sliding support member 16 provided on the other frame 4 and supporting the bottom of the movable support cylinder 12, and a sliding support member 16 that prevents the movable support cylinder 12 from falling off from the fixed support cylinder 11. The movable support tube 12 is constructed of a protruding end portion and a drop-off prevention means 17 attached to the wall of the other frame 4 so as to be able to do so. In this embodiment, the drop-off prevention means 17 uses a flexible wire.

Further, an inclined surface 10 is provided on the floor surface of the other frame 4 so as to be continuous with the upper surface of the fixed support tube 11 of the joint plate support member 7, on which the other end of the joint plate 8 can ride up while slidingly contacting it. is formed.

In this embodiment, the tip of the movable support cylinder 12 is in contact with the wall surface of one of the building blocks 3, but the position of the tip of the movable support cylinder 12 can be changed as appropriate depending on the amount of swinging movement of the left and right building blocks. , it is not necessary to contact one of the building blocks 3.

As described above, the fixed support tube 11 is a square pipe-shaped member, and the square pipe-shaped movable support tube 12 is inserted into the fixed support tube 11 . In order to smoothly slide the movable support cylinder 12 in the left-right direction, it is desirable that the fitting end of the fixed support cylinder 11 is always supported inside the movable support cylinder 12 via a sliding member 18. It is supported via rollers as sliding members 18. This sliding member 18 may be provided on the inner surface of the fixed support tube 11 or on the outer surface of the movable support tube 12. Note that as the sliding member 18, in addition to rollers, rollers, bearings, sliding materials, etc. can be used.

A connecting member 15 that connects the plurality of movable supporting cylinders 12 is provided at the protruding end of the movable supporting cylinder 12, and a supporting part 14 that supports the bottom of the joint plate 8 is provided on the upper part of the connecting member 15. It is formed. Although not shown in the drawings, it is desirable to provide this support portion 14 with a sliding member as described above, preferably a sliding member, a bearing, or the like. It is desirable that the support part 14, the joint plate support part 5, and the upper part of the fixed support cylinder 11 are formed so as to be substantially flush with each other.

As shown in FIG. 4, the joint plate 8 has a rectangular shallow dish shape in plan view, and the locking stake 6 is inserted into both ends of one end of the joint plate main body 20, which includes a pair of connected pile cases 19. , a filling member 21 such as mortar or concrete filled into the joint plate main body 20 , a decorative board 22 such as tiles such as marble or bricks pasted on the top surface of this filling member 21 , and a decorative board 22 such as tiles such as marble or bricks, It is composed of a cover plate 24 provided on the other end side via a hinge member 23, and a pin-shaped engaged member 25 provided on each of the pile cases 19 and engaged with the locking pile 6. .

The bottom surface of the pile case 19 is open, and after inserting the locking pile 6 into the pile case 19 through this opening, the engaged member 25 is inserted from the front and rear directions of the pile case 19, and the engaged member 25 is inserted into the pile case 19 from the front and rear directions. The member 25 is engaged with the locking pile 6 to connect the locking pile 6 and the pile case 19.

In the present embodiment, the locking pile 6 is a pin having a substantially inverted L shape when viewed from the front, and the bent portion at the top is connected to the engaged member 25 provided in the pile case 19 of the joint plate 8. The locking stake 6 and the stake case 19 are connected to each other when the engaged member 25 and the engaging portion 26 engage with each other. The lower part of this locking pile 6 is inserted into the locking pile insertion hole 9, and is attached to the joint plate support portion 5 of the one frame 3 so as to be slidable in the vertical direction. The insertion portion 6a of the locking pile 6 is long enough to prevent it from falling out of the locking pile insertion hole 9 even if the joint plate 8 rises upward due to an earthquake and rides on the floor of the other frame 4. It's sato.

The other end of the joint plate 8 is supported by the upper surface of the fixed support cylinder 11 of the joint plate support member 7 and the support portion 14 of the connecting member 15 so as to be slidable in the left-right direction. The end of the fixed support tube 11 on the joint side is located substantially flush with the wall surface of the other body on the side of the joint. Sliding support members 16 are provided that support the bottoms of the 12, respectively.

In this embodiment, the sliding support members 16 are roller-shaped members, and the same number of sliding support members 16 as the movable support cylinders 12 are provided on the wall surface of the other frame 4, and one sliding support member 16 supports one movable support cylinder 12. are doing. The sliding support member 16 is provided so as to protrude toward one of the building blocks, but is provided so as not to collide with one of the building blocks 3 when the joint portion 2 becomes narrow due to an earthquake.
Although the sliding support members 16 are provided in the same number as the movable support cylinders 12 in this embodiment, the movable support cylinders 12 may be supported by a smaller number than the movable support cylinders 12.

When the left and right building blocks 3 and 4 shake so that the joint part 2 narrows due to an earthquake, the other end of the joint plate 8 rides upward along the slope 10 formed on the other building block 4, and the joint plate 8 One end rotates around the end, and the joint plate 8 is in an oblique state, and the other end of the joint plate 8 is located at the top of the inclined surface 10 formed on the other frame 4. When the center of gravity of the joint plate 8 moves toward one of the building blocks 3, as shown in FIG. It rides on the building frame 4 so as to be substantially parallel to the floor surface of the building to absorb the shaking motion caused by the earthquake. Furthermore, the movable support tube 12 is pressed against the wall surface of one of the building blocks and enters the inside of the fixed support tube 11 to absorb the swinging movement. Furthermore, the movable support tube 12 is pressed against the wall surface of one of the building blocks and enters the inside of the fixed support tube 11 to absorb the swinging movement.

Although the locking pile 6 moves upward according to the positional displacement of the engaged member 25, the locking pile 6 does not fall off because it is formed to a length that will not fall off from the locking pile insertion hole 9. .

In addition, the movable support tube 12 of the joint plate support member 7 is pressed against the wall surface of one of the building blocks 3, and slides into the fixed support tube 11 against the biasing force of the bias spring 13, thereby absorbing the shaking motion caused by the earthquake. do.

When the shaking motion due to the earthquake subsides, the movable support tube 12 of the joint plate support member 7 projects toward one of the building blocks by the urging force of the urging spring 13, and the joint plate 8 returns to its original position.

When the left and right building blocks 3 and 4 shake so that the joint 2 becomes wider due to an earthquake, the joint plate 8 slides on the movable support cylinder 12 of the joint plate support member 7 to absorb the shaking movement, as shown in FIG. Absorb. Note that the movable support tube 12 does not fall off from the fixed support tube 11 because the amount of protrusion of the movable support tube 12 is stopped at a constant amount by the fall prevention means 17.

[Different forms for carrying out the invention]
Next, different embodiments for implementing the present invention shown in FIGS. 8 and 9 will be explained. In addition, in describing these different embodiments for carrying out the present invention, the same components as those in the first embodiment for carrying out the present invention are given the same reference numerals and redundant explanations will be omitted.

In the second embodiment of the present invention shown in FIGS. 8 and 9, the main difference from the first embodiment of the present invention is that an angle-shaped or approximately F-shaped metal fitting is attached to one side. This type of floor joint device 1A also has the same advantages as described above in that it is fixed to the wall surface of the frame 3 as a joint plate support part 5A, and a locking pile insertion hole 9A of a through hole is formed in this joint plate support part 5A. The same effects as in the first embodiment of the present invention can be obtained.

In the embodiment of the present invention, an inclined surface for raising the joint plate is formed on the other body, but the end on the joint side is formed on the upper surface of the fixed support cylinder of the joint plate support member. A raised joint plate formed on the surface may also be provided. In this case, the fixed support tube and the raised joint plate are fixedly provided on the other frame.

Further, in the embodiment of the present invention, a cylindrical pin is used as the engaged member, but a known locking pile such as a plate-shaped pin or a prismatic pin can be used.

Further, in the embodiment of the present invention, a shallow dish-shaped joint plate body filled with a filling member is used, but a known joint plate such as a flat joint plate can be used.

Although a coil spring is used as the biasing means in the explanation, the movable support cylinder may be biased toward one of the skeletons by pneumatic pressure, hydraulic pressure, or the like.

The present invention finds use in the industry of manufacturing floor joint devices.

1, 1A: Floor joint device, 2: Joint part,
3: One body, 4: The other body,
5, 5A: Joint plate support part, 6: Locking pile,
7: Joint plate support member, 8: Joint plate,
9, 9A: Locking pile insertion hole, 10: Slope,
11: Fixed support tube, 12: Movable support tube,
13: Biasing means, 14: Support part,
15: Connecting member, 16: Sliding support member,
17: Falling prevention means, 18: Sliding member,
19: Pile case, 20: Joint plate body,
21: Filling member, 22: Decorative board,
23: Hinge member, 24: Cover plate,
25: Engaged member, 26: Engaging portion.

The present invention relates to a floor joint device that closes a joint between left and right building blocks provided through a joint.

Conventionally, when the joint between the left and right building blocks narrows due to an earthquake, the joint plate rises upwards and absorbs the shaking movement. In the joint device, there is a joint plate attachment part provided on one body, a joint plate support part provided on the other body, one end is attached to the joint plate attachment part, and the other end is attached to the joint plate support. The joint plate is composed of a shallow dish-shaped joint plate main body, a filling member filled inside the joint plate main body, and a joint plate provided at one end side of the joint plate main body. a mounting pin inserted into the joint plate mounting portion; a joint plate push-up piece fixed to the bottom surface of the joint plate body; and a cover provided on the other end of the joint plate body via a hinge member. A floor joint, characterized in that the mounting pin has a length that is at least twice the height of the joint plate main body, and the joint plate push-up piece is formed in a substantially inverted trapezoid shape. ``device'' is known (Patent Document 1).

However, with such a floor joint device, in order to absorb the shaking motion caused by an earthquake, it is necessary to prevent one frame from colliding with the other frame when the joint becomes narrow, and to widen the joint. In order for the joint plate to close the joint without falling off, the joint plate needs to be at least twice the horizontal dimension of the joint, and the other frame must have enough space to allow the joint plate to slide. I needed length. In other words, the length of the joint part and the part where the joint plate of the other frame slides must be at least three times the length of the joint part, and if the other frame is located near the boundary line, There was a drawback that the dimensions for the sliding movement of the joint plate could not be secured.

JP 2018-131763 Publication

In view of the above-mentioned drawbacks of the conventional art, the present invention is capable of sealing the joints so that they do not open even when a building structure is installed near the boundary line, and also prevents damage to the joint plates and the building structure in the event of an earthquake. The purpose of the present invention is to provide a floor joint device capable of absorbing swaying motion without causing damage or exceeding a boundary line.

These and other objects and novel features of the present invention will become more fully apparent when the following description is read in conjunction with the accompanying drawings.
However, the drawings are solely for illustrative purposes and do not limit the technical scope of the present invention.

In order to achieve the above object, a floor joint device according to claim 1 of the present invention is a floor joint device provided at a joint between one body frame and the other body frame, a joint plate support part provided on the other body, a joint plate support member provided on the other body, one end supported by the joint plate support part, and the other end supported by the joint plate support member. The joint plate support member includes a plurality of fixed support tubes fixed in parallel in the front-rear direction to the other body, and a fitting end that is slidable in the left-right direction on each of the fixed support tubes. a plurality of movable support tubes into which the movable support tubes are inserted; a biasing means connected to the fixed support tube and the movable support tube so that the movable support tubes protrude toward one of the body frames; a connecting member provided at a protruding end of a movable support cylinder, connecting the protruding ends of the plurality of movable support cylinders, and having a support part formed in an upper part to support the bottom surface of the joint plate; A sliding support member is provided on the frame and supports the bottom of the movable support cylinder, and a falling-off prevention means prevents the movable support cylinder from falling off the fixed support cylinder , and the upper part of the support part is connected to the joint. The plate support part and the upper part of the fixed support cylinder are formed to be substantially flush with each other .

The fitting end of the movable support tube of the floor joint device according to claim 2 is always supported inside the fixed support tube via a sliding member.

The joint plate supporting portion of the floor joint device according to claim 3 is provided with a locking pile that is slidably provided in the vertical direction, and the locking pile is provided on one end side of the joint plate. It is characterized by being connected to a pile case.

As is clear from the above description, the present invention provides the following effects.
(1) In the invention set forth in claim 1, the joint plate support member is configured to include a plurality of fixed support tubes fixed in parallel in the front-rear direction to the other body, and to be slidable in the left-right direction on each of the fixed support tubes. a plurality of movable support tubes into which fitting ends are inserted; and a biasing means connected to the fixed support tube and the movable support tube so that the movable support tubes protrude toward one of the body frames; a connecting member provided on the protruding end of the movable support cylinder to connect the protruding ends of the plurality of movable support cylinders and supporting the bottom surface of the joint plate on the upper part; and a connecting member provided on the other frame and connected to the bottom of the movable support cylinder. and a falling-off prevention means that prevents the movable support tube from falling off the fixed support tube, the joint plate of the other frame slides more easily than in a normal floor joint device. It is possible to shorten the length of the part to be used.
Therefore, even if the boundary line of a third party's site is located near the joint plate, it is possible to absorb the shaking motion without exceeding the boundary line.
(2) Since it is equipped with a connecting member that supports the bottom of the joint plate and a sliding support member that is provided on the other body and supports the bottom of the movable support cylinder, the load when supporting the joint plate is distributed. be able to.
(3) In the invention according to claim 2, the same effects as those in (1) and (2) above can be obtained, and the movable support cylinder can be smoothly slid.
(3) In the invention according to claim 3, the same effects as in (1) to (3) above can be obtained, and even if the joint plate rises upward, the locking pile will not fall off. can be reliably prevented.

1 to 7 are explanatory diagrams showing a first embodiment of the present invention.
8 and 9 are explanatory diagrams showing a second embodiment of the present invention.
FIG. 1 is a plan view of a floor joint device according to a first embodiment. FIG. 2 is a sectional view taken along line 2-2 in FIG. 1. An explanatory diagram of a joint plate support member. An explanatory diagram of a joint plate. An explanatory diagram of a locking pile. An explanatory diagram of the operation when the joint is narrowed due to an earthquake. An explanatory diagram of the operation in a state where the joint area has become wider due to an earthquake. FIG. 7 is a plan view of a floor joint device according to a second embodiment. FIG. 9 is a sectional view taken along line 9-9 in FIG. 8;

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to embodiments for carrying out the invention shown in the drawings. Note that in this specification, the direction is referred to as the left-right direction and the front (lower part of the drawing) and rear (upper part of the drawing) direction with reference to FIG. Also, with reference to FIG. 2, it is referred to as an upward direction (upward direction in the drawing) and downward direction (downward direction in the drawing direction).

Furthermore, in the present invention, a frame refers to a structure such as a building, a road, a slab, an elevator shaft, etc., in which joint plates can be installed, and an entrance means not only a door or an entrance with a door, but also a building where people, vehicles, etc. It also includes passages that can be passed through.

In a first embodiment of the present invention shown in FIGS. 1 to 7, reference numeral 1 refers to a floor joint 2 provided through a joint 2 between one frame 3 and the other frame 4 to close the joint 2. It is a device.
As shown in FIG. 2, FIG. 6, and FIG. 7, for example, this floor joint device 1 includes a joint plate support portion 5 provided on one frame 3 on the left side of the drawing, and a joint plate support portion 5 that is attached to the joint plate support portion 5 in the vertical direction. A plurality of locking stakes 6 are movably provided, a joint plate support member 7 is provided on the other frame 4 on the right side of the drawing and includes a plurality of structural members, and one end thereof is attached to the joint plate support portion 5. The joint plate 8 is supported at one end thereof, into which the locking pile 6 is inserted, and the other end on the opposite side is supported by a joint plate support member 7.

First, in this embodiment, the joint plate support portion 5 is formed in the shape of a recess in the front-rear direction near the end of one frame 3 on the joint side. A locking pile insertion hole 9 into which a plurality of locking piles 6 are inserted is formed in this joint plate support portion 5 .

The depth (length) of the locking pile insertion hole 9 is longer than the thickness of the joint plate 8, preferably 1.5 times or more. By forming the joint plate to such a length and inserting the locking stake 6, even if the other end of the joint plate 8 on the opposite side rises upward and the joint plate 8 rises in a substantially horizontal position, Even if there is, the locking pile 6 can be prevented from coming out of the locking pile insertion hole 9.

Next, as shown in FIG. 3, the joint plate support member 7 has a square tube shape or a track cross-sectional shape, for example, and is made up of a large number of fixed supports that are fixed in parallel to the other frame 4 in the front-back direction, for example, with almost no gaps. a cylinder 11, a square cylinder-shaped movable support cylinder 12 whose fitting end is slidably inserted in the left and right direction into the fixed support cylinder 11, and which supports the other end of the joint plate 8; and the movable support cylinder. A biasing means (for example, a biasing spring) 13 is installed internally with the left and right ends connected to the fixed support tube 11 and the movable support tube 12 so that the biasing means 12 protrudes toward the one body 3 side (outward). and a support part 14 that is integrally provided on the protruding end of the movable support cylinder 12, connects the protruding ends of the plurality of movable support cylinders 12, and supports the bottom of the joint plate 8 on the upper part. A connecting member 15 provided, a sliding support member 16 provided on the other frame 4 and supporting the bottom of the movable support cylinder 12, and a sliding support member 16 that prevents the movable support cylinder 12 from falling off from the fixed support cylinder 11. The movable support tube 12 is constructed of a protruding end portion and a drop-off prevention means 17 attached to the wall of the other frame 4 so as to be able to do so. In this embodiment, the drop-off prevention means 17 uses a flexible wire.

Further, an inclined surface 10 is provided on the floor surface of the other frame 4 so as to be continuous with the upper surface of the fixed support tube 11 of the joint plate support member 7, on which the other end of the joint plate 8 can ride up while slidingly contacting it. is formed.

In this embodiment, the tip of the movable support cylinder 12 is in contact with the wall surface of one of the building blocks 3, but the position of the tip of the movable support cylinder 12 can be changed as appropriate depending on the amount of swinging movement of the left and right building blocks. , it is not necessary to contact one of the building blocks 3.

As described above, the fixed support tube 11 is a square pipe-shaped member, and the square pipe-shaped movable support tube 12 is inserted into the fixed support tube 11 . In order to smoothly slide the movable support cylinder 12 in the left-right direction, it is desirable that the fitting end of the fixed support cylinder 11 is always supported inside the movable support cylinder 12 via a sliding member 18. It is supported via rollers as sliding members 18. This sliding member 18 may be provided on the inner surface of the fixed support tube 11 or on the outer surface of the movable support tube 12. Note that as the sliding member 18, in addition to rollers, rollers, bearings, sliding materials, etc. can be used.

A connecting member 15 that connects the plurality of movable supporting cylinders 12 is provided at the protruding end of the movable supporting cylinder 12, and a supporting part 14 that supports the bottom of the joint plate 8 is provided on the upper part of the connecting member 15. It is formed. Although not shown in the drawings, it is desirable to provide this support portion 14 with a sliding member as described above, preferably a sliding member, a bearing, or the like. It is desirable that the support part 14, the joint plate support part 5, and the upper part of the fixed support cylinder 11 are formed so as to be substantially flush with each other.

As shown in FIG. 4, the joint plate 8 has a rectangular shallow dish shape in plan view, and the locking stake 6 is inserted into both ends of one end of the joint plate main body 20, which includes a pair of connected pile cases 19. , a filling member 21 such as mortar or concrete filled into the joint plate main body 20 , a decorative board 22 such as tiles such as marble or bricks pasted on the top surface of this filling member 21 , and a decorative board 22 such as tiles such as marble or bricks, It is composed of a cover plate 24 provided on the other end side via a hinge member 23, and a pin-shaped engaged member 25 provided on each of the pile cases 19 and engaged with the locking pile 6. .

The bottom surface of the pile case 19 is open, and after inserting the locking pile 6 into the pile case 19 through this opening, the engaged member 25 is inserted from the front and rear directions of the pile case 19, and the engaged member 25 is inserted into the pile case 19 from the front and rear directions. The member 25 is engaged with the locking pile 6 to connect the locking pile 6 and the pile case 19.

In the present embodiment, the locking pile 6 is a pin having a substantially inverted L shape when viewed from the front, and the bent portion at the top is connected to the engaged member 25 provided in the pile case 19 of the joint plate 8. The locking stake 6 and the stake case 19 are connected to each other when the engaged member 25 and the engaging portion 26 engage with each other. The lower part of this locking pile 6 is inserted into the locking pile insertion hole 9, and is attached to the joint plate support portion 5 of the one frame 3 so as to be slidable in the vertical direction. The insertion portion 6a of the locking pile 6 is long enough to prevent it from falling out of the locking pile insertion hole 9 even if the joint plate 8 rises upward due to an earthquake and rides on the floor of the other frame 4. It's sato.

The other end of the joint plate 8 is supported by the upper surface of the fixed support cylinder 11 of the joint plate support member 7 and the support portion 14 of the connecting member 15 so as to be slidable in the left-right direction. The end of the fixed support tube 11 on the joint side is located substantially flush with the wall surface of the other body on the side of the joint. Sliding support members 16 are provided that support the bottoms of the 12, respectively.

In this embodiment, the sliding support members 16 are roller-shaped members, and the same number of sliding support members 16 as the movable support cylinders 12 are provided on the wall surface of the other frame 4, and one sliding support member 16 supports one movable support cylinder 12. are doing. The sliding support member 16 is provided so as to protrude toward one of the building blocks, but is provided so as not to collide with one of the building blocks 3 when the joint portion 2 becomes narrow due to an earthquake.
Although the sliding support members 16 are provided in the same number as the movable support cylinders 12 in this embodiment, the movable support cylinders 12 may be supported by a smaller number than the movable support cylinders 12.

When the left and right building blocks 3 and 4 shake so that the joint part 2 narrows due to an earthquake, the other end of the joint plate 8 rides upward along the slope 10 formed on the other building block 4, and the joint plate 8 One end rotates around the end, and the joint plate 8 is in an oblique state, and the other end of the joint plate 8 is located at the top of the inclined surface 10 formed on the other frame 4. When the center of gravity of the joint plate 8 moves toward one of the building blocks 3, as shown in FIG. It rides on the building frame 4 so as to be approximately parallel to the floor surface of the building to absorb the shaking motion caused by the earthquake. Furthermore, the movable support tube 12 is pressed against the wall surface of one of the building blocks and enters the inside of the fixed support tube 11 to absorb the swinging movement. Furthermore, the movable support tube 12 is pressed against the wall surface of one of the building blocks and enters the inside of the fixed support tube 11 to absorb the swinging movement.

Although the locking pile 6 moves upward according to the positional displacement of the engaged member 25, the locking pile 6 does not fall off because it is formed to a length that will not fall off from the locking pile insertion hole 9. .

In addition, the movable support tube 12 of the joint plate support member 7 is pressed against the wall surface of one of the building blocks 3, and slides into the fixed support tube 11 against the biasing force of the bias spring 13, thereby absorbing the shaking motion caused by the earthquake. do.

When the shaking motion due to the earthquake subsides, the movable support tube 12 of the joint plate support member 7 projects toward one of the building blocks by the urging force of the urging spring 13, and the joint plate 8 returns to its original position.

When the left and right building blocks 3 and 4 shake so that the joint 2 becomes wider due to an earthquake, the joint plate 8 slides on the movable support cylinder 12 of the joint plate support member 7 to absorb the shaking movement, as shown in FIG. Absorb. Note that the movable support tube 12 does not fall off from the fixed support tube 11 because the amount of protrusion of the movable support tube 12 is stopped at a constant amount by the fall prevention means 17.

[Different forms for carrying out the invention]
Next, different embodiments for implementing the present invention shown in FIGS. 8 and 9 will be explained. In addition, in describing these different embodiments for carrying out the present invention, the same components as those in the first embodiment for carrying out the present invention are given the same reference numerals and redundant explanations will be omitted.

In the second embodiment of the present invention shown in FIGS. 8 and 9, the main difference from the first embodiment of the present invention is that an angle-shaped or approximately F-shaped metal fitting is attached to one side. This type of floor joint device 1A also has the same advantages as described above in that it is fixed to the wall surface of the frame 3 as a joint plate support part 5A, and a locking pile insertion hole 9A of a through hole is formed in this joint plate support part 5A. The same effects as in the first embodiment of the present invention can be obtained.

In the embodiment of the present invention, an inclined surface for raising the joint plate is formed on the other body, but the end on the joint side is formed on the upper surface of the fixed support cylinder of the joint plate support member. A raised joint plate formed on the surface may also be provided. In this case, the fixed support tube and the raised joint plate are fixedly provided on the other frame.

Further, in the embodiment of the present invention, a cylindrical pin is used as the engaged member, but a known locking pile such as a plate-shaped pin or a prismatic pin can be used.

Further, in the embodiment of the present invention, a shallow dish-shaped joint plate body filled with a filling member is used, but a known joint plate such as a flat joint plate can be used.

Although a coil spring is used as the biasing means in the explanation, the movable support cylinder may be biased toward one of the skeletons by pneumatic pressure, hydraulic pressure, or the like.

The present invention finds use in the industry of manufacturing floor joint devices.

1, 1A: Floor joint device, 2: Joint part,
3: One body, 4: The other body,
5, 5A: Joint plate support part, 6: Locking pile,
7: Joint plate support member, 8: Joint plate,
9, 9A: Locking pile insertion hole, 10: Slope,
11: Fixed support tube, 12: Movable support tube,
13: Biasing means, 14: Support part,
15: Connecting member, 16: Sliding support member,
17: Falling prevention means, 18: Sliding member,
19: Pile case, 20: Joint plate body,
21: Filling member, 22: Decorative board,
23: Hinge member, 24: Cover plate,
25: Engaged member, 26: Engaging portion.

Claims (3)

A floor joint device provided at a joint between one frame and another frame,
A joint plate support part provided on the one body frame, a joint plate support member provided on the other body body, one end part of which is supported by the joint plate support part, and the other end part of which is supported by the joint plate support part. Consists of a joint plate supported by the member,
The joint plate support member includes a plurality of fixed support tubes fixed to the other body in parallel in the front-rear direction, and a plurality of fixed support tubes each having a fitting end inserted into each of the fixed support tubes so as to be slidable in the left-right direction. a movable support tube; a biasing means connected to the fixed support tube and the movable support tube so that the movable support tube projects toward one of the body frames; a connecting member that is provided on the other frame and that connects the protruding ends of the plurality of movable support tubes and supports the bottom surface of the joint plate on the upper part; and a connection member that is provided on the other frame and supports the bottom of the movable support tubes. A floor joint device comprising: a sliding support member; and a falling-off prevention means for preventing the movable support tube from falling off the fixed support tube. 2. The floor joint device according to claim 1, wherein the fitting end of the movable support tube is always supported inside the fixed support tube via a sliding member. The joint plate supporting portion is provided with a locking stake that is slidably provided in the vertical direction, and the locking stake is connected to a pile case provided at one end side of the joint plate. The floor joint device according to claim 1 or 2.

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