JP2001288825A - Joint device for floor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a joint device for floor capable of covering a joint part while there is no difference in steps and absorbing the swing and movement of buildings on the right and left even if the buildings swing and move in different forward and backward directions and different right and left directions due to an earthquake to prevent their damages. SOLUTION: This joint device for floor consists of recessed parts on the right and left opened in joint parts formed on floor surfaces on joint part sides of the buildings on the right and left, a movable and slidable joint plate whose both end parts are positioned in substantially central parts of the recessed parts on the right and left, a central maintenance mechanism positioning a central part of the movable joint plate in a central part of the joint part at all times, cover plates on the right and left whose tip parts attached so as to cover the recessed parts on the right and left are supported on the movable joint plate, a central cover plate supported on the movable joint plate so as to move vertically so that its upper face becomes substantially flush with upper faces of the cover plates on the right and left covering a clearance between the cover plates on the right and left, and a central cover plate pushing-up mechanism raising the central cover plate automatically by pushing pressures of the cover plates on the right and left when the joint part is narrowed due to an earthquake.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint device for floor covering a joint between floors of right and left buildings built through joints.

[0002]

2. Description of the Related Art A conventional joint device for a floor includes a joint plate for covering a joint portion, and right and left cover plates for slidably moving both ends of the joint plate.

[0003]

The conventional joint device for floors has a drawback that a step is formed between the joint plate and the right and left cover plates, which makes the joint unsightly and aesthetically impaired.

The present invention has been made in view of the above-mentioned conventional drawbacks,
An object of the present invention is to provide a joint device for floors that covers joints in a state without steps, absorbs the swaying motion even if the left and right buildings sway in different longitudinal directions due to an earthquake or the like, and is not damaged. I have.

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 for explanation only, and do not limit the technical scope of the present invention.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention relates to a left and right building which is formed on a joint-side floor surface of a left and right building built through a joint. A concave portion, a movable joint plate slidably moving in the left and right concave portions, both end portions of which are positioned substantially at the center portions of the left and right concave portions, and a central portion of the movable joint plate always positioned at the central portion of the joint portion. A center maintaining mechanism in which both ends are attached to the joint on the joint side of the left and right buildings, and a tip attached to the skeleton forming the floor surface of the left and right buildings so as to cover the left and right recesses. The left and right cover plates supported by the movable joint plate and the upper and lower cover plates covering the gap between the left and right cover plates are supported by the movable joint plate so as to be substantially the same upper surfaces as the upper surfaces of the left and right cover plates. During ~ And the cover plate constitute a floor joint system between the central cover plate lifting mechanism for automatically raised by pushing pressure of the said joint portion is narrowed central cover plate said left and right cover plate by an earthquake or the like.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the embodiments shown in the drawings.

In the first embodiment of the present invention shown in FIGS. 1 to 9, reference numeral 1 denotes the present invention which covers between floor surfaces 4 of right and left buildings 3, 3 built through joints 2. In the joint device for floors, the joint device 1 for floors includes the joint surfaces 4 and 4 on the joint side.
Left and right recesses 5, 5 formed so as to open into the joint portion 2, left and right base rails 6, 6 covering the bottom surfaces of the left and right recesses 5, 5, and both ends of the left and right base rails. 6,
Left and right base rails 6, 6 located at substantially the center of
Joint plate 7 that slides in the inside, and the left and right buildings 3 and 3 where the center of the movable joint plate 7 is always located at the center of the joint 2.
a, 3a, center maintenance mechanisms 8, 8 with both ends attached
And a frame forming the floor surface of the left and right buildings 3, 3 or the left and right base rails 6, 6 to cover the left and right base rails 6, 6, the left and right base rails in the embodiment of the present invention. Left and right cover plates 9, 9 whose upper surfaces supported by the movable joint plate 7 are substantially flush with the floor surfaces of the left and right buildings 3, 3. A central cover plate 11 movably supported by the movable joint plate 7 so as to be substantially the same as the upper surfaces of the left and right cover plates 9 and 9 covering the gap 10 between the right and left cover plates 9 and 9; When the portion 2 becomes narrow, the central cover plate push-up mechanism 12 using an inclined surface that automatically raises the central cover plate 11 by the pressing pressure of the left and right cover plates 9, 9.
It is composed of

As shown in FIG. 3, the left and right base rails 6, 6 are plate-shaped base rail bodies 13 made of a metal material such as aluminum, aluminum alloy, and stainless steel, and one end of the base rail body 13. And a cover plate supporting piece 15 integrally formed with the other end of the base rail body 13 and projecting upward in an inverted L-shape. The upper surface of the cover plate support piece 15 is set such that the upper surface of the cover plate 9 is substantially flush with the upper surfaces of the left and right floor surfaces when the cover plate 9 is mounted.

As shown in FIG. 4, the movable joint plate 7 has a movable joint plate frame 16 made of a square pipe or the like, and a plurality of movable joint plate frames 16 attached to the bottom surfaces of both ends of the movable joint plate frame 16. Rollers 17, 17
And a movable joint plate plate 1 fixed by welding or the like so as to cover the upper surface of the movable joint plate frame 16.
8.

As shown in FIG. 5, the center maintaining mechanisms 8 and 8 have a rectangular frame-shaped link 19 and left and right buildings 3 and 3 pivotally supported by pivot pins 20 and 20 at both ends of the link 19. Attachment fittings 22, 22 attached to the frames 3a, 3a with a plurality of screws 21, and the bar member 1 facing the link 19
At both ends of the center pins 9a and 19a, pivot pins 23, 2
3 and a support pin 2 pivotally supported by a central pivot formed at the center of the support bar 24 and pivotally supported by the center of the movable joint plate 7.
5 is comprised. Note that a mechanism other than that shown in FIG. 5 may be used as the center maintaining mechanism 8.

As shown in FIG. 6, the left and right cover plates 9 and 9 cover the left and right base rails 6 and 6 are made of a metal material such as aluminum, aluminum alloy, or stainless steel. 4, a plate-shaped cover plate main body 26 having substantially the same plane as that of the cover plate main body 26; ,
The left and right floor surfaces 4, 4 attached to the upper surface near the tip of the cover plate main body 26 and the detents 28, 28 laid on the cover plate main bodies 26, 26.
And a protection member 29 having a height substantially the same as the height of the protection member 29.

As shown in FIG. 7, the center cover plate 11 is made of a metal material such as aluminum, an aluminum alloy, and stainless steel, and has a top surface substantially flush with the left and right cover plates 9, 9. A plate body 30, inclined surfaces 31, 31 which are formed as push-up pieces forming a part of the center cover plate lifting mechanism 12 formed at both ends of the center cover plate body 30, The inclined surface 2 on the upper surface of both ends
A portion where the tip portion covering between 7, 31, 27, 31 is substantially the same as the upper surface of the protection members 29, 29, and where a gap slightly larger than the gap between the inclined surfaces 27, 31, 27, 31 is formed. Joint members 32, 32 attached to
And a jutan 33 covering the joint members 32, 32
And a plurality of lifting prevention pieces 34 for preventing floating above a predetermined value from the movable joint plate 7 attached to the center bottom surface of the center cover plate main body 30. The center cover plate body 30
May be prevented from being lifted by a plurality of magnets 35 attached to the movable joint plate 7.

When the right and left buildings 3 and 3 swing so as to widen the joint 2 by an earthquake or the like, the center of the movable joint plate 7 is located at the center of the movable joint plate 7 as shown in FIG. The holding mechanisms 8, 8 keep the center part of the joint part 2 at all times, and the right and left cover plates 9,
The leading end of the sliding member 9 slides on the movable joint plate 7 to absorb the swinging movement.

When the right and left buildings 3 and 3 swing so as to narrow the joint portion 2, as shown in FIG. 9, the inclined surface of the central cover plate lifting mechanism 12 at the tip of the left and right cover plates 9 and 9 as shown in FIG. The inclined surfaces 31, 31 of both ends of the central cover plate 11 are pushed up by 27, 27, and both ends of the central cover plate 11 are pushed up on the left and right cover plates 9, 9, thereby absorbing the swinging motion. can do.

[0016]

FIG. 10 to FIG.
Hereinafter, different embodiments of the present invention will be described. In the description of the different embodiments of the present invention, the same components as those of the first embodiment of the present invention are denoted by the same reference numerals, and duplicate description will be omitted.

The second embodiment of the present invention shown in FIGS. 10 to 12 is different from the first embodiment of the present invention mainly in that joint members 32, 32 and protective members 29, 32 are provided.
29 is set to be large, and the detents 36 and 36 are laid on the portion. Therefore, the floor joint device 1A having the above-described configuration is the same as the first embodiment of the present invention. Various effects can be obtained.

The third embodiment of the present invention shown in FIGS. 13 to 15 differs from the second embodiment of the present invention mainly in that the central cover plate lifting mechanism 12
A central cover plate 11A in which both ends forming a part thereof are vertical surfaces and concave portions 37, 37 are formed in the lower part and a detent 33 is laid on the upper surface, both ends of the central cover plate 11A and the left and right cover plates 9, 9 is similar to the second embodiment of the present invention in the floor joint device 1B configured as described above in that the detents 36A, 36A that cover the gaps 38, 38 between the distal end portions 9 and 9 are laid. Various effects can be obtained.

The fourth embodiment of the present invention shown in FIGS. 16 to 18 is different from the first embodiment of the present invention mainly in that a plurality of arc-shaped lower portions are provided on the bottom surface near both ends. The movable joint plate 7A formed in this manner is different from the movable joint plate 7A using the protrusions 39 and 39 of FIG.
The same operation and effect can be obtained by the floor joint device 1 </ b> C configured by using the above.

The fifth embodiment of the present invention shown in FIGS. 19 to 21 is different from the first embodiment of the present invention mainly in that concave portions 5 and 5 without base rails and protective members are provided. Left and right cover plates 9 without using a jute
A and 9A, and the use of the center cover plate 11B that does not use the joint member or the jute, the floor joint device 1D configured as described above has the same configuration as that of the first embodiment of the present invention. An effect can be obtained.

The sixth embodiment of the present invention shown in FIGS. 22 to 24 differs from the first embodiment of the present invention mainly in that a protective member is provided on the upper surface of the cover plate body 26 near the rear. Left and right cover plates 9 with 29 attached
In the point that the floor joint device 1E configured as described above is used in the point that the floor joint devices B and 9B are used, between the protection members 29 and 29 of the left and right cover plates 9B and 9B and the joint members 32 and 32 of the central cover plate 11. Since the step of the gap is low and not bothersome, the same operation and effect as those of the first embodiment of the present invention can be obtained.

[0022]

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

(1) Left and right recesses formed in the joint-side floor surface of the left and right buildings built via the joints, and left and right openings at the joints, and both ends are substantially center portions of the left and right recesses. A movable joint plate slidably moving in the left and right recesses, and a center portion of the movable joint plate always positioned at the center of the joint portion. A left and right cover plate supported by the movable joint plate, and a tip attached to a skeleton forming a floor surface of the left and right buildings so as to cover the left and right recesses. A central cover plate movably supported by the movable joint plate so as to be substantially the same as the upper surfaces of the left and right cover plates covering the gap between the left and right cover plates; When it becomes narrow, the central cover plate is constituted by a central cover plate lifting mechanism that automatically raises the central cover plate by the pressing pressure of the left and right cover plates. Part can be covered. Therefore, the appearance can be improved.

(2) According to the above (1), even if the joint becomes narrow or wide due to an earthquake or the like, a step corresponding to the thickness dimension of the center cover plate only occurs, so that the user is not bothered. It can be set on a step and can be used safely.

(3) According to the above (1), since the structure is simple, it can be easily installed.

(4) Claims 2 and 3 also have the above (1) to (3).
The same effect can be obtained.

[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 base rail according to the first embodiment of the present invention.

FIG. 4 is an explanatory view of a movable joint plate according to the first embodiment of the present invention.

FIG. 5 is an explanatory diagram of a center maintaining mechanism according to the first embodiment of the present invention.

FIG. 6 is an explanatory diagram of a cover plate according to the first embodiment of the present invention.

FIG. 7 is an explanatory diagram of a center cover plate according to the first embodiment of the present invention.

FIG. 8 is an operation explanatory diagram in which a joint portion is widened in the first embodiment of the present invention.

FIG. 9 is an explanatory diagram of the operation of the first embodiment of the present invention, in which the joint portion is narrowed.

FIG. 10 is a plan view of a second embodiment of the present invention.

FIG. 11 is an enlarged sectional view taken along line 11-11 of FIG. 10;

FIG. 12 is an explanatory diagram of an operation in which a joint part is narrowed according to the second embodiment of the present invention.

FIG. 13 is a plan view of a third embodiment of the present invention.

FIG. 14 is an enlarged sectional view taken along line 14-14 of FIG. 13;

FIG. 15 is an explanatory diagram of a center cover plate according to the third embodiment of the present invention.

FIG. 16 is a plan view of a fourth embodiment of the present invention.

FIG. 17 is an enlarged sectional view taken along line 17-17 in FIG. 16;

FIG. 18 is an explanatory diagram of a movable joint plate according to a fourth embodiment of the present invention.

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

FIG. 20 is an enlarged sectional view taken along line 20-20 in FIG. 19;

FIG. 21 is an explanatory diagram of a center cover plate according to a fifth embodiment of the present invention.

FIG. 22 is a plan view of a sixth embodiment of the present invention.

FIG. 23 is an enlarged sectional view taken along line 23-23 of FIG. 22;

FIG. 24 is an explanatory diagram of a cover plate according to a sixth embodiment of the present invention.

[Explanation of symbols]

1, 1A, 1B, 1C, 1D, 1E: joint device for floor,
2: Joint, 3: Building, 4: Floor,
5: recess, 6: base rail, 7, 7
A: movable joint plate, 8: center maintenance mechanism, 9,
9A, 9B: cover plate, 10: gap, 11, 11
A, 11B: Center cover plate, 12: Center cover plate pushing up mechanism, 13: Base rail body, 14:
Stopper piece, 15: cover plate support piece, 16: frame for movable joint plate, 17: roller,
18: movable joint plate, 19: link,
20: pivot pin, 21: screw, 22: mounting bracket, 23: pivot pin, 24: support bar, 2
5: support pin, 26: cover plate body, 2
7: inclined surface, 28: jutan, 29: protective member, 30: central cover plate body, 31:
Inclined surface, 32: joint member, 33: jutan, 34: lifting prevention piece, 35: magnet,
36, 36A: dew, 37: recess
38: gap, 39: protrusion.

Claims (3)

[Claims] 1. Left and right recesses formed in floors on the joint side of right and left buildings built through joints, and left and right recesses formed in the joints, and both ends are substantially in the center of the left and right recesses. A movable joint plate that slides within the left and right recesses, and a center portion of the movable joint plate is always located at the center of the joint portion. A left and right cover plate having front ends attached to the movable joint plates attached to a frame forming floors of the right and left buildings so as to cover the left and right recesses, respectively; A central cover plate movably supported by the movable joint plate so as to be substantially the same as the upper surfaces of the left and right cover plates covering the gap between the cover plates, and the joint portion is narrowed by an earthquake or the like. And a center cover plate lifting mechanism for automatically raising the center cover plate by the pressing pressure of the left and right cover plates. 2. Left and right recesses formed in floors on the joint side of left and right buildings built via joints, and left and right base rails covering bottom surfaces of the left and right recesses. And a movable joint plate slidably moving in the left and right base rails, both ends of which are located substantially at the center of the left and right base rails, and the center of the movable joint plate is always positioned at the center of the joint. A center maintaining mechanism in which both ends are attached to the joints on the joint side of the left and right buildings, and attached to the left or right base rails forming the floor surfaces of the left and right buildings so as to cover the left and right base rails; Left and right cover plates whose upper surfaces are substantially flush with the floor surfaces of the left and right buildings, and upper surfaces of the left and right cover plates that cover a gap between the left and right cover plates. A central cover plate supported vertically movable by the movable joint plate so as to be substantially the same as the upper surface, and the central cover plate is automatically pressed by the pressing pressure of the left and right cover plates when the joint portion becomes narrow due to an earthquake or the like. And a center cover plate push-up mechanism using an inclined surface for raising the floor joint. 3. A left and right recess formed in one of the floors on the joint side of the left and right buildings built via the joint and opened to the joint, and the other on the joint side of the left and right buildings. A movable joint plate whose rear end is attached to the skeleton so that the upper surface is lower than the other floor surface, and whose front end is slidably supported at substantially the center of the concave portion, is provided so as to cover the concave portion. One cover plate, the tip of which is attached to the skeleton forming one floor surface so as to be substantially flush with the one floor surface, is supported by the movable joint plate, and the one cover plate and the other cover plate are supported by the movable joint plate. The other cover plate supported up and down by the movable joint plate so as to be substantially the same upper surface as the upper surface of the one cover plate that covers the gap between the joint plate and the joint surface portion due to an earthquake or the like. Said narrower A jointing device for a floor, comprising a cover plate lifting mechanism using an inclined surface that is automatically raised by a pressing force of the other cover plate.