JP3390366B2 - Floor joint equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is a floor that absorbs the shaking motion of the joints of the floors of the left and right buildings built through the joints and pushes up the joint plate upward when the joints become smaller in size. A joint device.

[0002]

2. Description of the Related Art Conventionally, this type of floor joint device has recesses formed on the floors of the left and right buildings on the joint side, and a pair of base rails having slopes on the opposite joint side are fixed in the recesses. At the same time, both ends are supported by the pair of base rails,
The joint plate is configured by using inclined plates at both end portions whose upper surfaces are substantially flush with the upper surfaces of the floor surfaces of the left and right buildings.

[0003]

In the conventional floor joint device, when the left and right buildings are shaken by an earthquake or the like so that the joint portion becomes smaller in size, both end portions of the joint plate are on the floor surfaces of the left and right buildings. It had the drawback of protruding and injuring pedestrians.

In view of the above-mentioned conventional drawbacks, the present invention has been made.
Even if the end portion of the joint plate projects above the floor surface or if a gap is formed apart from the guide surface, the end portion becomes an inclined surface and a pedestrian does not collide with the end portion of the joint plate,
It is an object of the present invention to provide a floor joint device that can be used safely.

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

[0006]

In order to achieve the above object, the present invention is formed so as to open at a joint portion of a floor portion of a left and right building built via a joint portion, close to the joint portion. A pair of recesses, a pair of fixing brackets fixed to the pair of recesses and having opposite inclined joint surfaces serving as inclined guide surfaces, and a joint plate covering a portion of the pair of fixing brackets excluding the guide surfaces, An auxiliary end joint plate having an arc-shaped upper surface that covers the upper portion of the guide surface fixed to both ends of the joint plate, and both end portions of the joint plate that rotatably cover the upper part of the auxiliary end joint plate. A pair of end joint plates, which are pivotally supported at a portion near the lower portion, and whose front end slides along the guide surface, and a pair of end joint plates, and the pair of fixing fittings or the floor portions of the left and right buildings. A floor joint device is constituted by at least two or more central maintenance devices in which a support rod attached to the central portion of the joint plate is pivotally supported in a central pivot portion attached to a frame so as to be vertically movable. There is.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the invention and a floor joint device considered by the inventor of the present invention Hereinafter, the present invention and the joint device for floors considered by the inventor of the present invention will be described in detail with reference to the embodiments shown in the drawings.

In the floor joint device shown in FIGS. 1 to 8 and considered by the inventor of the present application, reference numerals 1 and 1 denote portions of the floors of the left and right buildings 3 and 3 built with the joint portion 2 near the joint portion. A pair of recesses formed on the floor surfaces 3a, 3a of the joints 2 so as to open to the joints 2.
The side wall surface is formed on the inclined surfaces 1a and 1a having an inclination of about 45 degrees.

Numerals 4 and 4 designate a pair of metal fittings fixed to the floor surfaces 3a, 3a by a plurality of countersunk screws 5 or the like so as to cover the pair of recesses 1, 1, respectively.
As shown in FIG. 3, is a plate-like fixing metal fitting body 6 made of a metal material such as aluminum, aluminum alloy, and stainless alloy,
A downwardly projecting stopper piece 7 integrally formed with one end of the fixing metal body 6, and a guide formed on an inclined surface abutting the inclined surface 1a integrally formed with the other end of the fixing metal body 6. The surface 8 and a support piece 10 that supports an end of a floor material 9 such as a tile laid on the floor 3a integrally formed with the tip of the guide surface 8.

Reference numeral 11 denotes a joint plate supported by the pair of fixing metal fittings 4 and 4 so as to cover the pair of fixing metal fittings 4 and 4, and the joint plate 11 has both end portions substantially as shown in FIG. The plate-like joint plate body 12 made of a metal material formed on the vertical surfaces 12a, 12a, and the floor surfaces 3a of the left and right buildings 3 and 3 attached to the joint plate body 12 via mortar or concrete 13 A floor material 9 similar to the floor material 9, 9 such as a tile or a decorative plate installed on 3a, and a plurality of fixed or rotatably mounted on the substantially central bottom surface of the joint plate body 12 at predetermined intervals. Support rod 1
It is composed of 4 and.

Reference numerals 15 and 15 denote a pair of end joint plates attached to both ends of the joint plate 11. The pair of end joint plates 15 and 15 are at both ends of the joint plate 11 as shown in FIG. A pair of support fittings 17 and 17 whose tip ends are pivotally supported by a pivot pin 16 so as to be slidable along the guide surfaces 8 and 8 of the pair of fixing fittings 4 and 4 at a portion near the central portion of the portion, This pair of support fittings 17, 17
It is composed of a pair of joint materials 18, 18 such as hard rubber or soft plastic material fixed to the upper surface of the joint with an adhesive or the like.

Reference numeral 19 denotes both ends of the left and right buildings 3, 3 corresponding to the skeletons 3b, 3b of the floor portions or the stopper pieces 7, 7 of the pair of fixing fittings 4, 4 corresponding to the support rod 14 of the joint plate 11. As shown in FIG. 6, the central supporting device 19 is provided with a plurality of parts, and the central supporting device 19 can pivotally support the supporting rod 14 in the central part so as to be slidable in the vertical direction. Pantograph-shaped telescopic link 2 in which two rectangular frame shapes each having a supporting portion 20 are formed
1 and pivot pins 22 and 2 at both ends of the expansion link 21
2 and the hinge members 23, 23 attached to the two, respectively, which are rotatable in the vertical direction.

As shown in FIGS. 1 and 2, the floor joint device 24 having the above-described structure normally includes the joint plate 11 and the pair of end joint plates 15, 15 for connecting the joint portion 2 to each other.
Also, it is installed so as to cover the upper portions of the pair of fixing fittings 4 and 4 and the upper surfaces thereof are substantially flush with the upper surfaces of the floor surfaces 3a and 3a of the left and right buildings 3 and 3.

When the buildings 3 and 3 on the left and right sway in different directions due to an earthquake or the like and the size of the joint portion 2 becomes narrow as shown in FIG. 7, the central portion of the joint plate 11 is divided by a plurality of central maintenance devices 19. The lower surface of both ends slides upward along the guide surfaces 8, 8 of the pair of fixing fittings 4, 4 while being always located in the center of the joint, and both ends are on the floors of the left and right buildings 3, 3. Ride on the surfaces 3a, 3a. At this time, the pair of end joint plates 15 and 15 are connected to the pivot pin 1.
6 and 16 are pivoted about a fulcrum, and a pair of support fittings 17 and 1
Since the tip end of 7 is in a state of being supported on the floor surfaces 3a and 3a of the left and right buildings 3 and 3, the upper surfaces of the pair of joint materials 18, 18 are the floor surface 3a and the upper end portion of the joint plate 11. It becomes an inclined surface to be connected.

As shown in FIG. 8, when the joint portions 2 of the left and right buildings 3 and 3 are widened, the central portion of the joint plate 11 is always located at the central portion of the joint portions by the plurality of central maintenance devices 19. In the state in which it is located, both ends have a pair of fixing brackets 4,
4 along with the slide plate 4, while the tip portions of the pair of support fittings 17, 17 of the pair of end joint plates 15, 15 also slide while rotating in contact with the guide surfaces 8, 8 and the like. Both ends of 11 form an inclined surface with the pair of joint materials 18, 18 of the pair of end joint plates 15, 15.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION Different floor joint devices considered by the inventor and embodiments of the invention of the present application Next, embodiments of the floor joint device and the invention of the present inventor shown in FIGS. 9 to 25 will be described. In the explanation of the floor joint device and the embodiment of the present invention considered by the inventor of the present application, the first
The same components as those of the floor jointing device considered by the inventor of the present application will be assigned the same reference numerals and overlapping description will be omitted.

The floor joint device considered by the second inventor of the present invention shown in FIGS. 9 to 11 is different from the floor joint device considered by the first inventor of the present invention mainly in the T-shape. A joint material 18A composed of a mounting plate 25 and an elastic body 26 made of hard rubber or soft plastic material, which is covered so that the bottom surface of the mounting plate 25 becomes a substantially central bottom surface, is fixed to the support fitting 17 by a plurality of screws 27. Pair of end joint plates 15
In terms of using A and 15A, the floor joint device 24A may be configured using the pair of end joint plates 15A and 15A thus formed.

The floor joint device considered by the third inventor of the present invention shown in FIGS. 12 to 14 is mainly different from the floor joint device considered by the first inventor of the present invention in that it is on the opposite joint side. Wall portions 1a, 1a of the pair of concave portions 1A, 1a are substantially vertical
A, and a pair of fixing metal fittings 4A, 4A formed integrally with the front end portion of the guide surface 8 and forming a stopper strut 28 that abuts against the wall surfaces 1a, 1a. It may be the device 24B.

The first embodiment of the present invention shown in FIGS. 15 to 18 is mainly different from the floor joint device considered by the first inventor of the present invention in that it is fixed to both ends of the joint plate 11. The auxiliary end joint plate 29, which has an arcuate upper portion that covers the upper portion of the guide surface 8 and the joint plate 11 that rotatably covers the upper portion of the auxiliary end joint plate 29, is closer to the lower portion of both ends. A movable end joint plate 31 that is pivotally supported by a pivot pin at a portion or is pivotally supported by a bearing portion 30 formed by projecting downwardly from the auxiliary end joint plate 29, and a tip end thereof slides along the guide surface 8. In terms of using the pair of end joint plates 15B and 15B configured as above, even with the floor joint device 24C configured in this way, the same effect as that of the first embodiment of the present invention can be obtained. And The upper part of the guide surface 8 is always covered with the movable end joint plates 31 and 31 of the pair of end joint plates 15B and 15B, and when the joint portion 2 is widened or narrowed, auxiliary end joints are used. It can be covered with the plates 29, 29 and the movable end joint plates 31, 31.

The second embodiment of the present invention shown in FIGS. 19 to 22 is mainly different from the floor joint device considered by the first inventor of the present invention in that a plurality of joint plates 11 are provided at both ends. A large number of arc-shaped fixed part joint plates 3 fixed at predetermined intervals to a base plate 33 fixed by screws 32
4 and the fixed portion joint plates 34, 34 are pivotally supported by a pivot pin 35 at a portion near the lower portion, and the tip end rotatably attached slides along the guide surface 8 and is movable. In terms of using the pair of end joint plates 15C and 15C configured with the end joint plate plate 36, the floor joint device 24D configured using the pair of end joint plates 15C and 15C thus formed. You can In addition, the fixing portion joint plates 34 may be directly fixed or integrally formed at both ends of the joint plate 11 at predetermined intervals.

The floor joint device considered by the fourth inventor shown in FIGS. 23 to 25 is mainly different from the floor joint device considered by the first inventor in the other building 3 The fixing metal fitting 4B whose both ends are bent at right angles in the vertical direction is fixed to the concave portion 1A near the joint portion 2 by means of the countersunk screw 5 and the other end portion of the joint plate 11 is fixed by the pivot support metal fitting 37. 4B is pivotally supported so that one of the joint plates 11 can rotate upward, and
Even if the floor joint device 24E configured as described above is used, the gap between the other end of the joint plate 11 and the fixing bracket 4B is filled with the elastic material 38 such as a comb. It is possible to obtain the same effect as that of the floor joint device that the person considered.

[0022]

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

(1) A pair of recesses formed so as to open to the joints on the floor portions of the left and right buildings built via the joints, and fixed to the pair of recesses, respectively. A pair of fixing metal fittings whose opposite joint side is an inclined guide surface, a joint plate covering the part of the pair of fixing metal fittings excluding the guide surface, and an upper portion of the guide surface fixed to both ends of the joint plate. An auxiliary end joint plate having an arcuate upper surface covering a part closer to the arc is pivotally supported at a part closer to a lower part of both ends of the joint plate covering an upper part of the auxiliary end joint plate so as to be rotatable, and a tip end thereof is connected to the guide. A pair of end joint plates, which are movable end joint plates that slide along the surface, and a pair of end joint plates, or the center joints attached to the pair of fixing brackets or the skeletons of the floor parts of the left and right buildings. Since the supporting rods attached to the central part of the toe are composed of at least two central supporting devices that are pivotally supported so that they can move up and down, if the size of the joint becomes narrow due to an earthquake, Both ends of the joint plate can be projected onto the floor surfaces of the left and right buildings, and both end portions of the joint plate and the floor surface can be covered with a pair of end joint plates whose upper surfaces are inclined surfaces. Therefore, it is possible to effectively prevent the both ends of the upper portion of the joint plate formed into an acute angle as in the conventional case from protruding above the floor surface and becoming dangerous,
It is possible to ensure safety.

(2) According to the above (1), even if the size of the joint portion is widened and a gap is formed between both end portions of the joint plate and the guide surface, the pair of end joint plates at both end portions of the joint plate are formed. The upper surface of is an inclined surface, and safety can be secured.

(3) According to the above (1), since the pair of end joint plates are pivotally supported at the portions near the center of both ends of the joint plate, even if the end joint plates rotate, joints are jointed. The gap formed between the plate and the upper end can be reduced. Therefore, it can be used safely.

(4) According to the second aspect, the same effects as the above (1) to (3) can be obtained.

[Brief description of drawings]

FIG. 1 is a plan view of a floor joint device considered by the first inventor of the present application.

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

FIG. 3 is an explanatory view of a fixing bracket.

FIG. 4 is an explanatory view of a joint plate.

FIG. 5 is an explanatory view of an end joint plate.

FIG. 6 is an explanatory view of a central maintenance device.

FIG. 7 is an operation explanatory diagram when the joint portion is narrowed.

FIG. 8 is an operation explanatory diagram when the joint portion is widened.

FIG. 9 is a plan view of a floor jointing device devised by the second inventor of the present application.

10 is an enlarged cross-sectional view taken along the line 10-10 of FIG.

FIG. 11 is an explanatory view of an end joint plate.

FIG. 12 is a plan view of a floor jointing device conceived by the third inventor of the present application.

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

FIG. 14 is an explanatory view of a fixing bracket.

FIG. 15 is a plan view of the first embodiment of the present invention.

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

FIG. 17 is an explanatory diagram of an end joint plate according to the first embodiment of this invention.

FIG. 18 is an operation explanatory view when the joint portion is narrowed according to the first embodiment of this invention.

FIG. 19 is a plan view of the second embodiment of the present invention.

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

FIG. 21 is an explanatory diagram of an end joint plate according to the second embodiment of the present invention.

FIG. 22 is an operation explanatory diagram when the joint portion according to the second embodiment of the present invention is narrowed.

FIG. 23 is a plan view of a floor jointing device conceived by the third inventor of the present application.

24 is an enlarged cross-sectional view taken along the line 24-24 in FIG.

FIG. 25 is an operation explanatory view when the joint portion is narrowed.

[Explanation of symbols]

1, 1A: concave portion, 2: joint portion, 3: building,
4, 4A, 4B: Fixing bracket, 5: Plate screw,
6: Fixing bracket body, 7: Stopper piece,
8: Guide surface, 9: Floor material, 10: Support piece, 11: Joint plate, 12: Joint plate body, 13: Mortar and concrete, 14: Support rod, 1
5, 15A, 15B, 15C: Edge joint plate, 1
6: pivot support pin, 17: support metal fittings, 18, 18
A: Joint material, 19: Central maintenance device, 20: Central pivot part, 21: Telescopic link, 22: Pivot pin,
23: Hinge member, 24, 24A to 24E: Floor joint device, 25: Mounting plate, 26: Elastic body, 27:
Screws, 28: stopper columns, 29: auxiliary end joint plate, 30: bearing portion, 31: movable end joint plate, 32: screw, 33:
Base plate, 34: joint plate of fixed part, 35: pivot pin,
36: joint plate for movable end, 37: pivot metal fitting,
38: Elastic material.

Claims (2)

(57) [Claims] 1. A pair of recesses formed so as to open to the joints in a portion of the floors of the left and right buildings built via the joints near the joints, and fixed to the pair of recesses, respectively. A pair of fixing brackets whose opposite joints are inclined guide surfaces, a joint plate covering the part of the pair of fixing brackets excluding the guide surfaces, and an upper part of the guide surface fixed to both ends of the joint plate. The auxiliary end joint plate has an arcuate upper surface which covers the above part, and the upper end of the auxiliary end joint plate is rotatably supported at a part near the lower part of both ends of the joint plate, and the tip end is the guide surface. A pair of end joint plates consisting of a movable end joint plate that slides along, and a pair of end joint plates of the joint plate at the central pivot portion attached to the pair of fixing brackets or the skeleton of the floor parts of the left and right buildings. A jointing device for floors, characterized in that a supporting rod attached to a central part is composed of at least two central supporting devices pivotally supported so as to be vertically movable. 2. A pair of recesses formed so as to open to the joints in a portion of the floors of the left and right buildings built via the joints, close to the joints, and fixed to the pair of recesses, respectively. A pair of fixing brackets whose opposite joint parts are inclined guide surfaces, a joint plate that covers the part of the pair of fixing brackets excluding the guide surfaces, and a large number of fixed parts at both ends of the joint plate at predetermined intervals. Fixed end joint plate with arcuate top surface,
A pair of a plurality of movable end joint plate plates, each of which is pivotally supported between the fixed end joint plates at a position near the lower part thereof, and has a tip end rotatably attached, which slides along the guide surface. The end joint plate and the center pivots attached to the pair of fixing brackets or the skeletons of the floor parts of the left and right buildings are vertically supported by the support rods attached to the center of the joint plate. Also, a floor joint device comprising at least two central maintenance devices.