JP3691774B2 - 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. And at least two support bars arranged in an inclined state, a plurality of joint plate support bars arranged on the at least two support bars so as to be slidable at predetermined intervals, and the plurality of support bars. At least two end portions pivotally supported by the plurality of joint plate support bars are pivotally supported by the floor frame on the joint portion side of the left and right buildings so that the joint plate support bars can be expanded and contracted at predetermined intervals. The above-described pantograph-like telescopic link mechanism overlaps with the adjacent ones attached to the plurality of joint plate support bars by a predetermined size, and the joint portion becomes wider or narrower. Constitute a floor joint device between a plurality of joint plates can keep the overlap state.
[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; A plurality of support bars 6, 6, 6 arranged on the at least two support bars 6, 6 and 6 so as to be slidable at predetermined intervals, in the embodiment of the present invention, seven joint plate support bars 7, and the plurality of joint plates The support bar 7 is moved to extend and contract at predetermined intervals. The fixed bars 9, 9 having both ends pivotally supported by the pivot pins 8 on the joint plate support bars 7 are fixed to the floor frames 3a, 3a on the joint portions side of the left and right buildings 3, 3. In the embodiment of the present invention, there are three pantograph-like telescopic link mechanisms 11, 11, 11 and the seven joint plate support bars 7 respectively. A plurality of joint plates 14 that overlap each other by a predetermined size with screws 13 having a plurality of springs 12 interposed therebetween, and can maintain the overlapping state even if the joint portion 2 becomes wider or narrower. Are attached by screws 13 with a plurality of springs 12 to a floor frame 3a on one side of the building 3 that overlaps one end of the plurality of joint plates 14 by a predetermined dimension. The plate-shaped end joint plate 15 fixed to the upper surface of the floor frame 3a on the joint section side of one building 3 by screws 13 or the like, and the plurality of joint plates 14 At least two support plates 16 having the same shape as the joint plate 14 fixed to the floor frame 3a on the joint portion side of the other building 3 by a plurality of screws 13 and overlapping with the other end by a predetermined dimension. The connecting bar 18 pivotally supported by the pivot pin 17 on the bottom surface of the substantially central portion of the support bar 6 and the plurality of joints at the attachment site of the at least two extension link mechanisms 11, 11, 11. It is comprised by the expansion-contraction link insertion hole 19 formed in the plate support bar 7. FIG.
[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]
As shown in FIG. 5, the plurality of joint plate support bars 7 include a prismatic joint plate support bar main body 26 and stretchable link insertion holes 19, 19, 19 formed in the joint plate support bar main body 26. It is configured.
[0012]
As shown in FIG. 6, the telescopic link mechanism 11 is formed with eight square frames, and the central support pin 8 is pivotally supported by the joint plate support bar 7. Mounting brackets 29 and 29 are fixed to the fixing bars 9 and 9 by a plurality of screws 28 and are pivotally supported by pivot pins 8 and 8 at both ends.
[0013]
As shown in FIG. 7, the plurality of joint plates 14 are formed in a substantially crank shape using a metal plate. The plate-like joint plate body 30 and an L-shape from one end portion of the joint plate body 30. The mounting piece 31 is integrally formed so as to protrude downward in the form of a screw, and the screw insertion holes 32 formed at predetermined intervals on the portion of the mounting piece 31 supported by the joint plate support bar 7. .
[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 are moved to extend.
For this reason, it slides and moves so that the overlapping dimension of the seven joint plates 14 pivotally supported by the pivot pins 8 on the three telescopic link mechanisms 11, 11, 11 becomes small, and the swinging motion is reduced. Absorb.
[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.
Therefore, the seven joint plates 14 pivotally supported by the pivot pins 8 on the three telescopic link mechanisms 11, 11, 11 are slid and moved so as to increase the overlapping dimension, and the swinging motion is reduced. Absorb.
[0016]
In the embodiment of the present invention, seven joint plate support bars 7 pivotally supported by three pantograph-like telescopic link mechanisms 11, 11, 11 are slid on three support bars 6, 6, 6. Although the present invention has been described with reference to what can be supported, the present invention is not limited to this, and the joint plate support bar 7 located at the substantially central portion of the three support bars 6, 6, 6 is located at the substantially central portion. The movement of the three support bars 6, 6, 6 in the front-rear direction may be restricted by pivoting with the pivot pins 8, 8, 8 of the three pantograph-like telescopic link mechanisms 11, 11, 11. .
In this case, attention should be paid to providing play so that the three support bars 6, 6, 6 and the pantograph-like telescopic link mechanisms 11, 11, 11 can slide and move smoothly.
Further, both ends of the three pantograph-like telescopic link mechanisms 11, 11, 11 are pivotally supported by joint pins 8, 8 at the joint plate support bars 7, 7 at both ends, and joint plates are supported at the both ends. The bars 7 and 7 are made of channel material having lower openings, and guide pins provided so as to protrude from the upper surfaces of both ends of the three support bars 6, 6, 6 are located in the joint plate support bars 7, 7 at both ends. It may be provided to be stored.
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 21 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 an inclined surface 33 is formed on the lower surface of the front end portion and the rear end. A plurality of joint plates 14A formed in this way are used in that a plurality of joint plates 14A in which adjacent tip portions enter the upper surface where the portions overlap and the recesses 34 whose upper surface is a flat surface are formed are used. Even if the floor joint device 1A is configured using the above, the same effects as those of the first embodiment of the present invention can be obtained, and the upper surface can be made flat.
[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 one end of at least two support bars 6, 6, 6 is used. Is attached to the mounting bracket 35 fixed to the floor frame 3a on the joint part 3 side of one building using a pivot pin 36, and the other end is attached to the rail 5 so as to be rotatable in the horizontal direction. Even in the floor joint device 1B 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, the pivot pin 36 is used for the mounting bracket 35 in which one end of the three support bars 6, 6, 6 is fixed to the floor frame 3a on the joint portion 3 side of one building. However, the present invention is not limited to this, and the mounting bracket 35 in which one end of the support bar 6 in the center is fixed to the floor frame 3a on the joint portion 3 side of one building. The other support bars 6 and 6 may be mounted so as to be slidable 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, there is no need for the connecting bar 18 or the support pins 17 and 17 for pivotally supporting the support bars 6 and 6 at both ends of the connecting 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 and 17 can slide.
[0020]
The fourth embodiment of the present invention shown in FIGS. 18 to 21 is mainly different from the first embodiment of the present invention in that a plurality of rod-shaped joint plate support bars 7A and attachment pieces 31 are provided. The floor joint device 1C configured in this way is used in the above point in that the plurality of joint plates 14B in which the cutout portions 37, 37, 37 to be the expansion link insertion holes 19, 19, 19 are formed are used. The same effects as those of the first embodiment of the invention can be obtained.
[0021]
【The invention's effect】
As is clear from the above description, the present invention has the following effects.
[0022]
(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 ends are slidable A support bar arranged in an inclined state, a plurality of joint plate support bars arranged so as to be slidable on the at least two or more support bars at a predetermined interval, and the plurality of joint plate support bars at a predetermined interval. At least two or more pantograph-like telescopic link mechanisms in which both end portions pivotally supported by the plurality of joint plate support bars are pivotally supported by the floor frame on the joint portion side of the left and right buildings so as to be moved in a telescopic manner And overlap each other with a predetermined dimension on each of the plurality of joint plate support bars, so that the joint state can be maintained even if the joint part becomes wider or narrower. Because it is composed of a plurality of joint plates, it is possible to cover the joints with a plurality of joint plates.
Therefore, compared with the conventional one using a large and heavy joint plate, the transportation and installation work can be easily performed.
[0023]
(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.
[0024]
(3) According to the above (1), even if the left and right buildings sway in different front and rear directions due to an earthquake or the like, they can expand and contract, or slide and move in the front and back directions to absorb the swaying motion.
[0025]
(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.
[0026]
(5) In the second and third aspects, 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 partially broken 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 joint plate according to a second embodiment of this invention.
FIG. 15 is a partially broken 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 operation explanatory view of a support bar according to a third embodiment of the present invention.
FIG. 18 is a partially broken plan view of a fourth embodiment of the present invention.
19 is an enlarged cross-sectional view taken along line 19-19 in FIG.
20 is a sectional view taken along line 20-20 in FIG.
FIG. 21 is an explanatory diagram of a joint plate according to a fourth embodiment of this invention.
[Explanation of symbols]
1, 1A, 1B, 1C: floor joint device,
2: joints, 3: buildings,
3a: floor frame, 4: screw
5: Rail, 6: Support bar,
7, 7A: Joint plate support bar,
8: Pivot pin, 9: Fixing bar,
10: pivot pin, 11: telescopic link mechanism,
12: Spring, 13: Screw,
14, 14A, 14B: joint plate,
15: End joint plate, 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: Joint plate support bar body,
27: telescopic link, 28: screw,
29: Mounting bracket, 30: Joint plate body,
31: Mounting piece, 32: Screw insertion hole,
33: inclined surface, 34: recessed portion,
35: mounting bracket, 36: pivot pin,
37: Notch.

Claims (3)

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 inclined states in which both ends are slidably supported by the pair of rails A plurality of joint plate support bars arranged so as to be slidable at predetermined intervals on the at least two support bars; and the plurality of joint plate support bars are telescopically moved at predetermined intervals. And at least two pantograph-like telescopic link mechanisms in which both ends pivotally supported by the plurality of joint plate support bars are pivotally supported by the floor frame on the joint portion side of the left and right buildings, Plurality that overlaps with the next to each joint plate support bar by a predetermined dimension, and can keep the overlapping state even if the joint part becomes wider or narrower Floor joint device, characterized in that it comprises a joint plate. A rail attached to one floor frame on the joint part side of the left and right buildings built via 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 A support bar arranged in a tilted state at least two pivotally supported by the floor frame, and a plurality of joint plate support bars arranged to be slidable at predetermined intervals on the at least two support bars; Both end portions pivotally supported by the plurality of joint plate support bars are pivotally supported by the floor frame on the joint portion side of the left and right buildings so that the plurality of joint plate support bars can be expanded and contracted at predetermined intervals. Furthermore, at least two or more pantograph-like telescopic link mechanisms overlap with the adjacent ones attached to the plurality of joint plate support bars, respectively, so that the joint part size becomes wider or narrower. Floor joint device, characterized in that it comprises a plurality of joint plates can also maintain the overlapped state. 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 inclined states in which both ends are slidably supported by the pair of rails The support bar to be arranged, a connecting bar pivotally supported by a pivot pin on the bottom surface of the central part of the at least two or more support bars, and slide-movable at a predetermined interval to the at least two or more support bars A plurality of joint plate support bars disposed on the left and right ends of the joint plate support bars pivoted to the joint plate support bars so that the plurality of joint plate support bars extend and slide at predetermined intervals. At least two pantograph-like telescopic link mechanisms pivotally supported on the floor frame on the joint side of the building, and adjacent to each of the plurality of joint plate support bars, A plurality of crank-shaped joint plates that can be kept in an overlapping state even when the dimensions of the joint portion are widened or narrowed, and the plurality of attachment portions of the at least two telescopic link mechanisms. A floor joint device, comprising: a joint plate support bar, or a telescopic link insertion hole formed in a lower portion of the joint plate.

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