JP3691778B2 - Floor joint device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a floor joint device for covering joint portions of floor portions of left and right buildings built via joint portions.
[0002]
[Prior art]
A conventional floor joint device is configured to cover a floor joint between left and right buildings with one joint plate.
[0003]
[Problems to be solved by the invention]
A conventional floor joint device that covers a floor joint with a single joint plate, such as a base-isolated building, has a large joint plate size and can be transported and installed. In addition to this, there is a drawback in that a reinforcing member or the like must be used to obtain the strength of the joint plate, which further increases the weight, makes the transportation and installation work difficult, and increases the cost.
[0004]
The present invention has been made in view of the above-described conventional drawbacks, and an object thereof is to provide a floor joint device that can be easily transported and installed and can be smoothly expanded and contracted during a shaking motion such as an earthquake.
[0005]
The above 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 for explanation only and do not limit the technical scope of the present invention.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a pair of rails attached to the floor frame on the joint part side of the left and right buildings built through the joint part, and both ends of the pair of slides are slidable. The height dimension of the support bar arranged at least two supported in a tilted state and the one arranged on both sides from the central part slidably arranged on the at least two support bars at predetermined intervals. And a plurality of joint plate support bars, which are sequentially reduced in size, and both end portions pivotally supported by the joint plate support bars so as to extend and slide the joint plate support bars at predetermined intervals. At least two pantograph-shaped telescopic link mechanisms pivotally supported by the floor frame on the joints side of the left and right buildings, and attached to the plurality of joint plate support bars from both sides The front end of the joint overlaps with both sides and has a predetermined size, and even if the size of the joint becomes wider or narrower, it keeps the overlapped state, and the joint device for floor is composed of a plurality of joint plates covering the joint are doing.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail with reference to embodiments shown in the drawings.
[0008]
In the first embodiment of the present invention shown in FIG. 1 to FIG. 11, 1 is a floor joint device of the present invention that covers the floor joints of the left and right buildings 3, 3 built via the joint portion 2. The floor joint device 1 includes a pair of rails 5 and 5 attached to floor joints 3a and 3a on the joint portions side of the left and right buildings 3 and 3 by a plurality of screws 4 in a substantially horizontal state, and the pair of rails 5 and 5 At least two or more inclined states supported at both ends of the rails 5 and 5 so as to be slidable, in the embodiment of the present invention, three support bars 6, 6, 6 arranged in an inclined state of 45 degrees; Implementation of the present invention, a plurality of the support bars 6, 6, 6, which are arranged on both sides from the central part arranged so as to be slidable at predetermined intervals, the height dimensions of which are successively smaller. In the form of 7 joint plate support bars 7, 7, 7A, 7A 7B, 7B, 7C and the plurality of joint plate support bars 7, 7, 7A, 7A, 7A, 7B, 7B, 7C so as to extend and slide at predetermined intervals. , 7A, 7A, 7B, 7B, 7C, both ends pivotally supported by pivot pins 8 are either directly on the floor frame 3a, 3a on the joint side of the left and right buildings 3, 3, or the pair of rails 5 5, at least two or more pivotally supported by the pivot pins 10 and 10, in the embodiment of the present invention, three pantograph-like telescopic link mechanisms 11, 11, 11 and the seven joint plate support bars 7, 7, 7A, 7A, 7B, 7B, and 7C are attached from both sides by a plurality of countersunk screws 12 or the like, the tip ends overlap each other by a predetermined size, and the size of the joint portion 2 is widened. Or even if it gets narrower A plurality of joint plates 14, 14, 14, 14, 14, 14, 14 </ b> A in the embodiment of the present invention, which can cover the joint portion 2 while maintaining the natural state, and the floor frame on the joint portion side Support plates 16 and 16 fixed to the upper surfaces of 3a and 3a by a plurality of countersunk screws 15 and the like, and pivots 17 are pivotally supported on the bottom surfaces of the substantially central portions of the at least two support bars 6, respectively. Expansion and contraction formed in the plurality of joint plate support bars 7, 7, 7A, 7A, 7B, 7B, and 7C at the attachment portion of the connecting bar 18 and the at least two expansion link mechanisms 11, 11, and 11 It is composed of link insertion holes 19, 19, 19, 19, 19, 19, 19.
[0009]
As shown in FIG. 3, the pair of rails 5, 5 are formed in a L-shape from a base plate 21 in which insertion holes 20 such as screws are formed at a lower portion at a predetermined interval, and one side surface of the base plate 21 approximately at the center. The rail portion 22 is integrally formed so as to protrude, and the stopper piece 23 is integrally formed so as to protrude from the upper portion of the base plate 21 in one side surface direction.
[0010]
As shown in FIG. 4, the at least two or more support bars 6 have a flat upper surface and a lower central portion protruding downward in a trapezoidal shape, and protruding downward at both ends of the support bar main body 24. The lower ends supported by the rail portions 22 and 22 of the pair of rails 5 and 5 so as to be slidable are composed of semi-circular slide pins or rollers 25 and 25.
[0011]
The plurality of joint plate support bars 7, 7, 7 A, 7 A, 7 B, 7 B, 7 C are prismatic joint plate support bars that are successively higher in size by the thickness dimension of the joint plate 14, as shown in FIG. The main body 26, 26, 26A, 26A, 26B, 26B, 26C and the expansion link insertion holes 19, 19, 19 formed in the joint plate support bar main body 26, 26, 26A, 26A, 26B, 26B, 26C It is configured.
[0012]
As shown in FIG. 6, the telescopic link mechanism 11 is formed with eight square frames, and the pivot pin 8 at the center is pivotally supported on the joint plate support bars 7, 7, 7A, 7A, 7B, 7B, 7C. The telescopic link 27 is fixed to the stopper pieces 23, 23 of the pair of rails 5, 5 pivotally supported by the pivot pins 8, 8 at both ends of the telescopic link 27 with a plurality of screws 28. It consists of mounting brackets 29 and 29.
[0013]
The joint plate 14 is a rectangular metal plate having a counter screw insertion hole 30 formed at a predetermined interval near the rear end, and the joint plate 14A used in the center is the joint plate 14. A rectangular metal plate having a width twice as large as that having a countersunk screw insertion hole 30 formed in the center at a predetermined interval is used.
[0014]
When the floor joint device 1 having the above configuration is swung so that the joint portion 2 is widened due to an earthquake or the like, as shown in FIGS. 8 and 9, the three support bars 6, 6, 6 are a pair of rails 5. 5 is slid to move in a straight line in the left-right direction, and the three telescopic link mechanisms 11, 11, 11 move so as to extend.
For this reason, the overlapping dimension of the seven joint plates 14, 14, 14, 14, 14, 14, 14 </ b> A pivotally supported by the three telescopic link mechanisms 11, 11, 11 by the pivot pin 8 is reduced. Slide to absorb the shaking movement.
[0015]
When the joint portion 2 is swung so as to become narrow, as shown in FIGS. 10 and 11, the three support bars 6, 6, 6 slide and move the pair of rails 5, 5 to increase the inclination. And the three telescopic link mechanisms 11, 11, and 11 move so as to contract.
For this reason, the overlapping dimension of the seven joint plates 14, 14, 14, 14, 14, 14, 14A pivotally supported by the pivot pins 8 on the three telescopic link mechanisms 11, 11, 11 is increased. Slide to absorb the shaking movement.
[0016]
In the embodiment of the present invention, seven joint plate support bars 7, 7, which are pivotally supported by three pantograph-like telescopic link mechanisms 11, 11, 11 on three support bars 6, 6, 6. Although the description has been given of the case where 7A, 7A, 7B, 7B, and 7C are supported so as to be slidable, the present invention is not limited thereto, and the joint plate is located at substantially the center of the three support bars 6, 6, and 6. The support bar 7C is pivotally supported by the pivot pins 8, 8, 8 of the three pantograph-like telescopic link mechanisms 11, 11, 11 positioned substantially at the center, and the front and rear of the three support bars 6, 6, 6 are supported. Directional movement may be restricted.
In this case, care should be taken that the three support bars 6, 6, 6 and the pantograph-like telescopic link mechanisms 11, 11, 11 can smoothly slide and be provided with play so that they can expand and contract.
Further, both ends of the three pangraph-shaped telescopic link mechanisms 11, 11 and 11 are pivotally supported by joint pins 8 and 8 on joint plate support bars 7 and 7 at both ends, and joint plates at the both ends are provided. The support bars 7 and 7 are made of channel material having a lower opening, and guide pins provided so as to protrude from the upper surfaces of both ends of the three support bars 6, 6, 6 are inside the joint plate support bars 7, 7 at both ends You may provide so that it may be accommodated in.
Further, the plurality of joint plate support bars 7 are formed with two bar members and telescopic link insertion holes interposed so that the telescopic link insertion holes 19, 19, 19 can be formed between the two bar members. You may use what comprised with the bar.
[0017]
Different Embodiments of the Invention
Next, different embodiments of the present invention shown in FIGS. 12 to 17 will be described. In the description of the different embodiments of the present invention, the same components as those in the first embodiment of the present invention are denoted by the same reference numerals, and redundant description is omitted.
[0018]
The second embodiment of the present invention shown in FIGS. 12 to 14 is mainly different from the first embodiment of the present invention in that one end of at least two support bars 6, 6, 6 is used. Using the pivot pin 36 to the mounting bracket 35 fixed to the floor frame 3a on the joint part side of one building 3, and the other end is mounted along the rail 5 so as to be rotatable in the horizontal direction. Even with the floor joint device 1 </ b> A configured as described above, the same effects as those of the first embodiment of the present invention can be obtained.
In the embodiment of the present invention, one end of the three support bars 6, 6, 6 is attached to the mounting bracket 35 fixed to the floor frame 3 a on the joint portion side of one building 3 using the pivot pin 36. However, the present invention is not limited to this, and a pivot pin is attached to a mounting bracket 35 in which one end portion of the support bar 6 in the central portion is fixed to the floor frame 3a on the joint portion side of one building 3. The other support bars 6 and 6 may be attached so that they can be slid in the front-rear direction along the rail 5 at one end.
By mounting in this way, the three support bars 6, 6, 6 can be positioned in the front-rear direction without installing a mechanism for restricting the movement of the three support bars 6, 6, 6 in the front-rear direction. In addition, it is possible to restrict the movement in the front-rear direction in places where the support bars 6, 6 at both ends are more than necessary or the amount of movement is limited.
In this case, the connecting bars 18 are unnecessary, or the support pins 6 and 6 for pivotally supporting the support bars 6 and 6 at both ends of the connection bar 18 so that the support bars 6 and 6 at both ends can slide in the front-rear direction. The pivot pin insertion hole is formed as a long hole so that the pivot pins 17 can slide.
[0019]
The third embodiment of the present invention shown in FIGS. 15 to 17 is mainly different from the first embodiment of the present invention in that pulse-shaped engagement pieces 38 and 38 that mesh with each other at the center are formed. The floor joint device 1B configured in this way is also capable of being fixed to the joint plate support bar 7C in the center portion with the two joint plates 14B and 14B. The same effects as those of the first embodiment of the present invention can be obtained.
[0020]
【The invention's effect】
As is clear from the above description, the present invention has the following effects.
[0021]
(1) A pair of rails attached to the floor frame on the joint part side of the left and right buildings built via the joint part, and at least two or more of which are supported by the pair of rails so that both end parts are slidable A plurality of support bars that are arranged in an inclined state, and that are arranged on both sides from the central part that is slidably movable at predetermined intervals on at least two or more support bars. Both ends of the joint plate support bar and the joint plates supporting bars pivoted to the joint plate support bars so that the joint plate support bars extend and slide at predetermined intervals. At least two or more pantograph-shaped telescopic link mechanisms pivotally supported by the floor frame, and the tip portions attached to the plurality of joint plate support bars from both sides are predetermined on both sides. Overlapping and covering the joint part with a plurality of joint plates because the joint part is composed of a plurality of joint plates covering the joint part while maintaining the overlapping state even when the joint part is widened or narrowed. Can do.
Therefore, compared with the conventional one using a large and heavy joint plate, the transportation and installation work can be easily performed.
[0022]
(2) According to the above (1), at least two or more pantograph-like expansion / contraction link mechanisms are used for the plurality of joint plate support bars respectively attached to the plurality of joint plates, and the joint portion becomes wide due to an earthquake or the like. Even if it becomes narrow, it can be moved so as to have a uniform width dimension.
Therefore, the amount of movement of the plurality of joint plates can be set uniformly and can be used safely.
[0023]
(3) According to the above (1), even if the left and right buildings are swung in different front and rear directions due to an earthquake or the like, they can be expanded and contracted or slid in the front and rear directions to absorb the shaking movement.
[0024]
(4) According to the above (1), the plurality of joint plates can be supported by at least two or more support bars and at least two or more pantograph-like telescopic link mechanisms that support the plurality of joint plate support bars. it can.
Therefore, even if the joint portion is wide, it is possible to reliably prevent the joint plate at the center portion of the plurality of joint plates from being positioned at the lower portion so as to be bent.
[0025]
(5) In the second aspect, the same effects as in the above (1) to (4) can be obtained.
[Brief description of the drawings]
FIG. 1 is a partially broken plan view of a first embodiment of the present invention.
FIG. 2 is an enlarged cross-sectional view taken along line 2-2 in FIG.
FIG. 3 is an explanatory diagram of a rail according to the first embodiment of this invention.
FIG. 4 is an explanatory diagram of a support bar according to the first embodiment of this invention.
FIG. 5 is an explanatory diagram of a joint plate support bar according to the first embodiment of the present invention.
FIG. 6 is an explanatory diagram of the telescopic link mechanism according to the first embodiment of this invention.
FIG. 7 is an explanatory diagram of a joint plate according to the first embodiment of this invention.
FIG. 8 is a plan view showing a state where the joint portion according to the first embodiment of the present invention is widened.
9 is a cross-sectional view taken along line 9-9 of FIG.
FIG. 10 is a plan view showing a state where the joint portion of the first embodiment of the present invention is narrowed.
11 is a cross-sectional view taken along line 11-11 in FIG.
FIG. 12 is a plan view of a second embodiment of the present invention.
13 is an enlarged cross-sectional view taken along line 13-13 in FIG.
FIG. 14 is an explanatory diagram of a mounting state of the support bar according to the second embodiment of the present invention.
FIG. 15 is a plan view of a third embodiment of the present invention.
16 is an enlarged sectional view taken along line 16-16 in FIG.
FIG. 17 is an explanatory diagram of a joint plate at the center of the third embodiment of the present invention.
[Explanation of symbols]
1, 1A, 1B: floor joint device,
2: joints, 3: buildings,
3a: floor frame, 4: screw
5: Rail, 6: Support bar,
7, 7A, 7B, 7C: joint plate support bar,
8: Pivot pin, 9: Fixing bar,
10: pivot pin, 11: telescopic link mechanism,
12: Dish screw
14, 14A, 14B: joint plate,
15: countersunk screw, 16: support plate,
17: pivot pin, 18: connecting bar,
19: Telescopic link insertion hole, 20: Screw insertion hole,
21: Base plate, 22: Rail part,
23: Stopper piece, 24: Support bar body,
25: Roller
26, 26A, 26B, 26C: joint plate support bar body,
27: telescopic link, 28: screw,
29: Mounting bracket, 30: Countersunk screw insertion hole,
35: mounting bracket, 36: pivot pin,
37: Notch, 38: Engagement piece.

Claims (2)

A pair of rails attached to the floor frame on the joint part side of the left and right buildings built through the joint part, and at least two or more inclined states that are supported by the pair of rails so that both ends are slidable A plurality of joint plates in which the height dimension of the support bars to be arranged and those arranged on both sides of the at least two or more support bars so as to be slidable at predetermined intervals are successively smaller. The support bar and both ends supported by the plurality of joint plate support bars so as to extend and slide the predetermined joint plate support bars at predetermined intervals are floor joints on the joint parts of the left and right buildings. At least two or more pantograph-shaped telescopic link mechanisms that are pivotally supported, and tip portions attached to the plurality of joint plate support bars from both side portions have a predetermined dimensional weight. Ri each other, or the wider dimension of the joint portion, while maintaining the overlapping state even narrower, floor joints apparatus, characterized in that it comprises a plurality of joint plates covering the joints. A rail attached to one floor frame on the joint part side of the left and right buildings built through the joint part, and one end part is slidably supported by this rail, and the other end part is on the other joint part side At least two support bars that are pivotally supported by the floor frame and arranged at both sides from the central part that is slidably arranged at predetermined intervals on the at least two support bars. A plurality of joint plate support bars, the height of which is successively reduced, and the plurality of joint plate support bars are pivotally supported by the joint plate support bars so as to extend and slide at predetermined intervals. At least two pantograph-shaped telescopic link mechanisms whose both ends are pivotally supported by the floor frame on the joint section side of the left and right buildings, and attached to the plurality of joint plate support bars from both sides, respectively. A plurality of joint plates that cover the joint portions while maintaining the overlapping state even when the joint portions are overlapped with each other by a predetermined dimension and the joint portions are widened or narrowed. Floor joint device.

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