JP3578442B2 - Floor joint device - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a joint device for a floor that absorbs a swinging motion by pushing up a joint plate when joints of a floor portion of right and left buildings built through joints are narrowed.
[0002]
[Prior art]
Conventionally, this type of floor joint device forms a concave portion on each floor surface on the joint portion side of the left and right buildings, and fixes a pair of ground rails having an inclined surface opposite to the joint portion side in the concave portion, and Both ends are supported by the base rails, and the joints are formed using joint plates having inclined surfaces at both ends whose upper surfaces are substantially flush with the upper surfaces of the floor surfaces of the left and right buildings.
[0003]
[Problems to be solved by the invention]
When the right and left buildings shake due to an earthquake or the like so that the joint size becomes narrow, both ends of the joint plate protrude above the floor of the left and right buildings, causing the pedestrian to be injured. There was a drawback that there was a danger that
[0004]
The present invention has been made in view of the above-described conventional drawbacks, and enables a pedestrian to safely use the joint plate even if the end of the joint plate protrudes above the floor without colliding with the end of the joint plate. It is intended to provide a joint device.
[0005]
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 merely for explanation 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 recesses formed to open to the joints at portions near the joints on the floors of the left and right buildings built via the joints, A pair of guide members each having an inclined joint surface opposite to the joint portion fixed to the concave portion, a joint plate covering the joint portion and the pair of concave portions, and floors of the left and right buildings at both ends of the joint plate. A pair of cover plates having substantially the same dimensions as the left and right dimensions of the bottom surface of the pair of guide members attached so that the tip portions located on the surface rotate in the vertical direction, and the pair of guide members or the left and right At least two or more central maintenance link mechanisms in which a support rod attached to the center of the joint plate is pivotally supported so as to be vertically movable on a central pivot attached to the frame of the floor of the building. Constitute the use joint apparatus.
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings.
[0008]
In the first embodiment of the present invention shown in FIGS. 1 to 7, reference numerals 1 and 1 denote floor surfaces 3 a of the right and left buildings 3 and 3, which are built via joints 2, near the joints of the floors. 3a, a pair of recesses formed so as to open to the joint portion 2, and the wall surfaces of the pair of recesses 1, 1 on the side opposite to the joint portion 2 are formed on the inclined surfaces 1a, 1a so as to serve as guide surfaces. Have been.
[0009]
Reference numerals 4 and 4 denote a pair of guide members fixed to the floor surfaces 3a and 3a by a plurality of fixed counterscrews 5 and the like so as to cover the pair of recesses 1 and 1, respectively. As shown in FIG. 3, one end is bent at a right angle with a metal material such as aluminum, an aluminum alloy, and a stainless alloy, and a plate-shaped support portion 7 on which a stopper piece 6 is formed, and the other end of the support portion 7 are formed. A guide portion 8 is formed so as to be bent along the inclined surfaces 1a, 1a of the concave portions 1, 1.
[0010]
Reference numeral 9 denotes a joint plate supported by the pair of guide members 4 and 4 so as to cover the pair of guide members 4 and 4, and the joint plate 9 has inclined surfaces 10a at both ends as shown in FIG. A joint plate main body 10 made of a dish-shaped metal material formed on the joint 10a, and floors 3a of the left and right buildings 3, 3 attached to the interior 11 of the joint plate main body 10 via mortar or concrete 12; 3a, tiles and decorative plates 13 similar to the tiles and decorative plates 13, 13 and support rods 14, 14 fixedly or rotatably mounted on the substantially central bottom surface near both sides of the joint plate body 10. A pair of cover plates are provided at both ends of the joint plate main body 10 via hinge members 15, 15, the tip portions of which are located on the floor surfaces 3 a, 3 a of the left and right buildings 3, 3, which are vertically rotated. It is composed of a door 16, 16.
[0011]
Reference numerals 17 and 17 denote central maintenance devices in which both ends are attached to the frames 3b and 3b of the floor portions of the left and right buildings 3 and 3 or the stopper pieces 6 and 6 of the pair of guide members 4 and 4. As shown in FIG. 5, 17 and 17 each have a pantograph shape in which two square frame shapes having a central pivoting portion 18 which can pivotally support the support rod 14 in a vertical direction so as to be slidable in the center are formed. It comprises a telescopic link 19 and hinge members 21, 21 which are attached to pivotal pins 20, 20 at both ends of the telescopic link 19 and which can rotate in the vertical direction.
[0012]
In the floor joint device 22 having the above-described configuration, the joint plate 2 covers the joint portion 2 and the pair of guide members 4, 4 as shown in FIGS. Are located on floor surfaces 3a and 3a of buildings 3 and 3, respectively.
[0013]
In this state, when the left and right buildings 3 and 3 are shaken by an earthquake or the like so as to reduce the size of the joint 2 as shown in FIG. 6, the joint plate 9 is always positioned at the center by the center maintaining devices 17 and 17. In this state, the inclined surfaces 10a, 10a at both ends slide upward along the guide portions 8, 8 of the pair of guide members 4, 4, and the both ends are on the floor surfaces 3a, 3a of the left and right buildings 3, 3. Get on.
At this time, the distal ends of the pair of cover plates 16 and 16 slide while moving in contact with the floor surfaces 3a and 3a, thereby preventing the opening portions from being formed between the pair of cover plates 16 and 16 and the floor surfaces 3a and 3a.
[0014]
Also, when the left and right buildings 3 and 3 are swung by an earthquake or the like so that the size of the joint part 2 is widened as shown in FIG. 7, the joint plate 9 is always located at the center part by the center maintenance devices 17 and 17. In this state, the support portions 7, 7 of the pair of guide members 4, 4 are slid and moved to form concave portions 23, 23 between both end portions of the joint plate 9 and the guide portions 8, 8. The joint plate 9 is covered by a pair of cover plates 16 attached to both ends.
[0015]
Different Embodiments of the Invention
Next, different embodiments of the present invention shown in FIGS. 8 to 22 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 will be omitted.
[0016]
In the second embodiment of the present invention shown in FIGS. 8 to 10, the main difference from the first embodiment of the present invention is that the floor surfaces 3a and 3a of the left and right buildings 3 and 3 have square shapes. The pair of recesses 1A, 1A are formed, and the pair of recesses 1A, 1A are covered with a pair of guide members 4A, 4A having no inclined surface guide portion. In this case, the same operation and effect as those of the first embodiment of the present invention can be obtained, and the inclined surfaces 10a, 10a at both ends of the joint plate 9 are connected to the upper end corners of the pair of guide members 4A, 4A. It can slide smoothly in the contact state.
[0017]
The third embodiment of the present invention shown in FIGS. 11 to 13 is mainly different from the first embodiment of the present invention in that a joint plate 9A having no inclined surfaces at both ends is used. With the floor joint device 22B configured as described above, the same operation and effect as those of the first embodiment of the present invention can be obtained, and the lower corners at both ends of the joint plate 9A are formed by a pair of guide members. The fourth and fourth guide portions 8, 8 can be slid smoothly in a line contact state.
[0018]
The fourth embodiment of the present invention shown in FIG. 14 to FIG. 16 is mainly different from the first embodiment of the present invention in that the floor surfaces 3a and 3a of the left and right buildings 3, 3 have square shapes. And a pair of guide members 4B and 4B in the form of an angle or a light Z-shaped steel fixed to the wall on the side opposite to the joint of the pair of recesses 1A and 1A. Thus, even with the floor joint device 22C configured as described above, the same operation and effects as those of the first embodiment of the present invention can be obtained, and the floor joint device 22C can be installed at a low cost.
[0019]
In the fifth embodiment of the present invention shown in FIGS. 17 to 19, the main difference from the first embodiment of the present invention is that one end of the joint plate 9 is connected to the joint of the one building 3. The joint device 22D for floors having such a configuration in that it is supported by joint plate support fittings 25 movably mounted vertically on support recesses 24 formed on the floor surface 3a of the present invention, The same operation and effect as those of the first embodiment can be obtained.
Reference numeral 26 denotes a roller attached to the bottom of the joint plate supporting metal fitting 25 from the center of the joint plate 9, and the roller 26 uses the own weight of the joint plate 9 when the size of the joint part 2 is reduced. It is positioned almost horizontally.
[0020]
The sixth embodiment of the present invention shown in FIGS. 20 to 22 is different from the fifth embodiment of the present invention mainly in that a square recess 1A is provided on the floor 3a of the other building 3. In the same manner as in the fifth embodiment of the present invention, the floor joint device 22E having the above-described configuration is similar to the fifth embodiment of the present invention in that the concave portion 1A is formed and covered with the guide member 4A having no inclined surface guide portion. Various effects can be obtained.
[0021]
【The invention's effect】
As is clear from the above description, the following effects can be obtained in the present invention.
[0022]
(1) A pair of recesses formed at portions near the joints on the floors of the left and right buildings built via the joints so as to open to the joints, and a pair of joints fixed to the pair of recesses, respectively. A pair of guide members having a sloped guide surface on the ground side, a joint plate that covers the joint and the pair of recesses, and a tip located on the floor surface of the left and right buildings at both ends of the joint plate. A pair of cover plates having dimensions substantially the same as the left and right dimensions of the bottom surfaces of the pair of guide members mounted so as to rotate in the direction, and attached to the pair of guide members or the frame of the floor portion of the left and right buildings. Since the supporting rod attached to the center of the joint plate is constituted by at least two or more central maintenance link mechanisms which are respectively supported so as to be able to move up and down, the central pivoting part is provided with If the dimensions of the joint portion is narrowed I, although both end portions of the joint plate runs onto the floor portion of the right and left of the building, without the step is formed at both end portions by a pair of cover plates, it can be such that the inclined surface.
Therefore, it is possible to prevent a dangerous state and to use safely.
[0023]
(2) According to the above (1), it is only necessary to attach the cover plate whose front end pivots in the vertical direction to both ends of the joint plate, so that it can be easily implemented.
[0024]
(3) According to the above (1), even if the size of the joint portion is widened and a concave portion is formed between both ends of the joint plate and the floor surface, the joint plate can be covered with the cover plate located substantially in a horizontal plane, Can be used safely.
[0025]
(4) Claims 2 and 3 also provide the same effects as (1) to (3).
[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 explanatory diagram of a guide member according to the first embodiment of the present invention.
FIG. 4 is an explanatory view of a joint plate according to the first embodiment of the present invention.
FIG. 5 is an explanatory diagram of a central maintenance device according to the first embodiment of the present invention.
FIG. 6 is an operation explanatory diagram of the first embodiment of the present invention when the joint portion is narrowed.
FIG. 7 is an operation explanatory diagram of the first embodiment of the present invention in a case where a joint portion is widened.
FIG. 8 is a plan view of a second embodiment of the present invention.
FIG. 9 is an enlarged sectional view taken along line 9-9 in FIG. 8;
FIG. 10 is an explanatory diagram of a guide member according to a second embodiment of the present invention.
FIG. 11 is a plan view of a third embodiment of the present invention.
FIG. 12 is an enlarged sectional view taken along line 12-12 of FIG. 11;
FIG. 13 is an explanatory view of a joint plate according to the third embodiment of the present invention.
FIG. 14 is a plan view of a fourth embodiment of the present invention.
FIG. 15 is an enlarged sectional view taken along line 15-15 of FIG. 14;
FIG. 16 is an explanatory diagram of a guide member according to a fourth embodiment of the present invention.
FIG. 17 is a plan view of a fifth embodiment of the present invention.
18 is an enlarged sectional view taken along line 18-18 of FIG.
FIG. 19 is an operation explanatory diagram of the fifth embodiment of the present invention in a state where joints are narrowed.
FIG. 20 is a plan view of a sixth 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 diagram of a guide member according to a sixth embodiment of the present invention.
[Explanation of symbols]
1, 1A: concave portion, 2: joint portion,
3: building, 4, 4A, 4B: guide member,
5: countersunk screw, 6: stopper piece,
7: support part, 8: guide part,
9, 9A: joint plate, 10: joint plate body,
11: inside, 12: mortar and concrete,
13: Tile or decorative board, 14: Support rod,
15: hinge member, 16: cover plate,
17: Central maintenance device, 18: Central pivot,
19: telescopic link, 20: pivot pin,
21: hinge member,
22, 22A to 22E: joint device for floor,
23: recess, 24: support recess,
25: joint plate support bracket
26: Roller.

Claims (3)

A pair of recesses formed to be open to the joints at portions near the joints on the floors of the left and right buildings built via the joints, and the opposite joints fixed to the pair of recesses, respectively. A pair of guide members serving as inclined guide surfaces, a joint plate covering the joint portion and the pair of concave portions, and a tip located on the floor surface of the left and right buildings is vertically turned on both ends of the joint plate. A pair of cover plates having dimensions substantially the same as the left-right dimensions of the bottom surfaces of the pair of guide members movably mounted; and a center mounted on the pair of guide members or the skeleton of the floor portion of the left and right buildings. A jointing device for floors, wherein a supporting rod attached to a central portion of the joint plate at the pivot portion comprises at least two or more central maintenance link mechanisms pivotally supported so as to be vertically movable. A pair of recesses formed at portions near the joints of the floor portions of the left and right buildings built via the joints so as to open to the joints, and a joint plate covering the pair of recesses and the joints; A guide surface that pushes up the joint plate when both ends of the joint plate or joints formed on the side opposite to the joint of the pair of recesses are swung so as to be narrow; A pair of cover plates having dimensions substantially the same as the left-right dimensions of the bottom surfaces of the pair of recesses attached so that the tips located on the floor surfaces of the left and right buildings rotate vertically; At least two or more central maintenance link mechanisms, each of which is supported by a central pivot attached to the frame of the floor so that the support rod attached to the center of the joint plate is vertically movable. Floor joints and wherein the. A joint plate supporting bracket attached to a support recess formed on a floor on the joint part side of one of the left and right buildings built via the joint part, and a joint part side of the other building of the left and right buildings A joint plate formed on the floor surface of the joint plate, one end of which is rotatably attached to the joint plate supporting bracket, and the other end of which is supported by the concave portion so as to cover the joint, and a free end of the joint plate A guide surface that pushes up the free end of the joint plate when the joint or the joint formed on the side opposite to the joint of the recess is narrowed, and the free end of the joint plate is the other end. A floor joint device comprising: a cover plate having a size substantially equal to a size in a left-right direction of a bottom surface of the concave portion attached so that a tip portion located on a floor surface of the building is vertically rotated.

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