JP2817027B2 - Double floor floor panel support equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a support device for a floor panel having a double floor, and is particularly suitable for a double floor for floor air-conditioning which requires a sealing property between floor panels.

[0002]

2. Description of the Related Art Heretofore, as this type of a supporting apparatus for a floor panel of a double floor, supporting legs which are erected at predetermined intervals on a floor surface and fixed to the supporting legs so as to be adjustable in height. 2. Description of the Related Art It is known to provide a support plate and a stringer placed on the upper surface of the support plate and connecting adjacent support plates to each other (for example, Japanese Utility Model Publication No. 56-38110, Japanese Utility Model Publication No. 52-30120).
No., Japanese Utility Model Publication No. 3-119132).

[0003] Each publication is described below. The supporting device disclosed in Japanese Utility Model Publication No. 56-38110 is a groove-type terminal tool having a top surface and a front surface opened at every 90-degree cross position on a height-adjusting supporting leg erected on the floor. have. At the bottom of a set of the vertical and horizontal stays (stringers) of the vertical and horizontal stays (stringers), upward projecting members projecting upward are formed. A fitting hole corresponding to the protrusion is formed in a bottom portion of one end of one of the vertical and horizontal stays (stringers) at the bottom of the groove-type terminal device. And vertical and horizontal stays (stringers)
The vertical and horizontal stays (stringers) are fixed to the groove-shaped terminal of the height adjusting support leg by fitting the fitting hole of (1) into the projection of the groove-shaped terminal.

[0004] The supporting device disclosed in Japanese Utility Model Publication No. 52-30120 has a supporting piece projecting in four directions from a supporting base of a leg rod erected on the floor surface. Is formed with a protrusion protruding upward. An engaging hole that engages with the protrusion is formed in the cross beam (stringer). Then, the engaging holes of the stringers (stringers) are engaged with the protrusions of the support pieces, so that the stringers (stringers) are bridged between the legs.

In the supporting device disclosed in Japanese Utility Model Laid-Open No. 3-119132, a large number of supporting legs are erected on a floor in a grid pattern, and the ends of the stringers are supported on the supporting legs. A panel support cap is formed. Through holes are formed in the upper four sides of the panel supporting cap and at the portions supporting the ends of the stringers so as to penetrate both sides. A projection that fits into the through hole is formed at an end of the stringer. The stringers are attached in a cross-linked manner between the panel supporting caps of the support legs adjacent to each other on the four sides by fitting the projections into the through holes of the panel supporting cap.

[0006]

However, in the above-described conventional double-floor floor panel support device, the protrusions and through holes for locking the stringers must be formed directly on the support plate. There is a first problem that the structure of the support plate becomes complicated, and its manufacture is troublesome and troublesome.

[0007] That is, since the supporting legs and the supporting plate must support the load on the floor surface on the upper surface of the floor panel, they are required to have a strength as a kind of structural material. For this reason, the support legs and the support plate are mostly made of metal. Therefore, it is not only troublesome to process the protrusions and the through holes in the metal support plate, but also, for example, if the through holes are formed, the strength may be reduced.

Further, in the above-described conventional double-floor floor panel support device, the protrusions and through holes for locking the stringers are formed directly in the support plate. Has a second problem that the support plate itself must be replaced. Further, in a conventional double-floor floor panel support device, a protrusion formed on one of a stringer and a support leg and a mounting hole formed on the other and to which the protrusion is attached are simply formed in a vertical direction. There is a third problem that it is easily fitted in and easily detached by vibration when a vertical or lateral force is applied through the floor panel during or after the mounting operation.

The invention according to claim 1 has been made in view of the first to third problems of the prior art described above, and the object of the invention is to provide a resin spacer with a stringer. By forming a projection that locks, it is easy to manufacture, and when not using a stringer, by attaching a cap without a projection to the support plate, regardless of whether a stringer is used or not It is an object of the present invention to provide a support device for a floor panel of a double floor in which a support plate can be shared.

[0010] In addition to the above, the invention according to claim 1 has the following features.
The objectives are as follows. That is, billing
The invention described in Item 1 is to provide a double-floor floor panel support device capable of firmly connecting a mounting hole and a stringer.

The invention according to claim 2 is the above-described claim 1.
The following objects are achieved in addition to the objects of the invention described above. Sand
A second object of the present invention is to provide a double-floor floor panel support device capable of preventing a gap from being formed between the floor panel and the spacer.

[0012] The third aspect of the present invention is the first aspect of the present invention.
Or the following object in addition to the object of the invention described in claim 2.
You. That is, an object of the present invention is to provide a double-floor floor panel support device capable of preventing generation of static electricity.

[0013]

SUMMARY OF THE INVENTION The present invention is to achieve the above-mentioned object, and its contents will be described below with reference to embodiments shown in the drawings. The invention according to claim 1 is characterized by the following four points. First, stringers
On the lower surface of (80), for example, as shown in FIG. 2, a mounting hole (83) penetrating vertically is formed.

Second, between the support plate (30) and the stringer (80), for example, as shown in FIG.
(90) A resin spacer (40) for partitioning the space is located. Third, on the upper surface of the spacer (40), for example, as shown in FIG. 2, a projection (43) that fits into the mounting hole (83) of the stringer (80) is formed.

Fourth, the projecting portion (43) of the spacer (40) projects outwardly, as shown in FIG.
Deflection when passing through (83), restores after passing, and spacer
An elastic protrusion (45) for sandwiching the stringer (80) with the upper surface of the (40) is formed. The invention according to claim 2 is
In addition to the features of the invention described in claim 1, the following features are provided.
Have signs.

That is, the spacer (40) and the stringer
(80), for example, as shown in FIG.
0) is provided with a cushion member (50) that elastically deforms when laid. The invention described in claim 3 is the above-mentioned claim 1 or
Has the following features in addition to the features of the invention described in claim 2.
Have.

That is, the spacer (40) is formed from a conductive resin.

[0018]

The invention described in claim 1 has the following operation. First, a spacer (40) is placed on the upper surface of the support plate (30), for example, as shown in FIG. Next, the spacer
Above the protrusion (43) of (40), for example, as shown in FIG.
The stringer (80) is arranged so that the mounting hole (83) of the stringer (80) is located.

Thus, the stringer (80) is supported on the support plate (30) via the spacer (40). In addition,
The invention according to claim 1 has the following operation. First,
For example, as shown in FIG. 2, the mounting hole (83) of the stringer (80) is pushed in from above in accordance with the projection (43) of the spacer (40). At this time, the mounting hole (83) of the stringer (80)
Are in contact with the elastic projections (45) of the projections (43).

In that state, the stringer (8
(0) is strongly pushed downward toward the spacer (40),
The elastic protrusion (45) is pressed by the inner peripheral surface of the mounting hole (83) and bends.
For this reason, the elastic protrusion (45) of the protrusion (43) can pass through the inner peripheral surface of the mounting hole (83). When the elastic protrusion (45) passes through the inner peripheral surface of the mounting hole (83) and escapes above the stringer (80), for example, as shown in FIG.
(45) is restored and returns to the original shape.

Therefore, the stringer (80) is sandwiched between the elastic projection (45) of the projection (43) and the upper surface of the spacer (40). Thus, even if a force is applied to pull the stringer (80) upward from the spacer (40), the stringer (80) does not easily come off the projection (43). According to the second aspect of the present invention, the above first aspect is provided.
In addition to the functions of the described invention, the following functions are provided.

That is, the spacer (40) and the stringer
(80) between the floor panel (90) and the spacer (4) when the floor panel (90) is laid.
There is no gap between the two. Claim 3
According to the description, the invention according to claim 1 or 2 described above.
In addition to the action of, the following action is achieved.

That is, by making the spacer (40) a conductive resin, each stringer (80) and each floor panel (90)
Can be electrically connected to each other without being electrically insulated. This allows static electricity generated on the stringer (80) and the floor panel (90) to flow on the floor (100) surface through the indoor side wall surface or the support plate (30) and the support legs (20). .

[0024]

1 to 4 show an embodiment of the present invention. FIG. 1 is an exploded perspective view of a supporting device for a double-floor floor panel, and FIG. 2 is a diagram showing a connecting portion between a stringer and a spacer. FIG. 3 is an exploded perspective view, FIG. 3 is a longitudinal sectional view of a connecting portion between a stringer and a spacer, and FIG. 4 is a front view of a floor panel support device after assembly is completed.

In the drawing, reference numeral 10 denotes a floor panel supporting device. The floor panel supporting devices 10 are fixedly arranged on the floor surface 100 at predetermined intervals, and each adjacent supporting device 10 is fixed. By placing and fixing the floor panel 90 on the top 10, the floor panel 90 is lifted upward from the floor surface 100, and cables and ducts (not shown) are placed in the space between the floor surface 100 and the floor panel 90. It is intended to be able to wire or pipe.

As shown in FIGS. 1 to 4, the support device 10 is roughly divided into support legs 20 erected at predetermined intervals on a floor 100, and the height of the support legs 20 is adjustable. A support plate 30 to be fixed, a spacer 40 made of a conductive resin fixed to the upper surface of the support plate 30, a cushion member 50 to be fixed to the upper surface of the spacer 40, and a plate 60 supported by the spacer 40 And a sheet 70 located on the plate 60 and a floor panel 90 on the sheet 70
And a stringer 80 that is located between them and fills the gap between the floor panels 90.

These components will be specifically described. As shown in FIG. 1, the support leg 20 includes a disc-shaped support bottom plate 21 placed on the surface of the floor 100, and the support bottom plate 21.
And a cylindrical support shaft 22 extending upward from substantially the center of the upper surface of the support shaft. The support shaft 22 is formed of a metal having strength and rigidity, and its lower end penetrates the support bottom plate 21 and abuts on the surface of the floor 100. Further, at the upper end of the support shaft 22, although not shown in the figure, a height adjusting portion including a bolt shaft portion and a nut portion is formed. The height adjusting portion has a nut portion fixed on the upper end of the support shaft 22 while having an inner peripheral surface with a threaded hole, and a cylindrical shape with an outer peripheral surface being threaded, and inside the hole of the nut portion. And a bolt shaft that moves up and down by rotating the shaft.

Needless to say, the height adjusting section is not limited to this, as long as the supporting plate 30 can be moved up and down.
Other mechanisms may be used. Although the support leg 20 is composed of the support bottom plate 21 and the support shaft 22, the present invention is not limited to this.
You may comprise only 22.

As shown in FIG. 1, the support plate 30 is formed in a thin disk shape as a whole. And the support plate 30
Although not shown, the upper end of a bolt shaft that moves up and down inside the support shaft 22 is fixed to the center of the lower surface of the support shaft 22. Also,
In the vicinity of the center of the support plate 30, four at 90 ° intervals in the circumferential direction,
A thin plate-shaped convex portion 31 protruding upward is formed. As shown in FIG. 1, the convex portion 31 is formed by piercing the support plate 30 in a U-shape and then bending it upward.

As shown in FIGS. 1 and 2, the spacer 40 has a disk-like shape and has a main body 41 covering the upper surface of the support plate 30.
And a concave portion 42 into which the convex portion 31 of the support plate 30 is concavely recessed upward from the center of the lower surface of the main body portion 41,
Four protrusions 43 are formed on the same circumference on the upper surface of the main body 41 at 90 ° intervals and project upward from the upper surface of the main body 41, and are substantially flush with the upper surface of the main body 41. And a plate support portion 44 protruding radially outward from the outer peripheral edge of the main body portion 41.

As shown in FIGS. 2 and 3, the projection 43 is
The whole shape is a thin plate square shape, and the upper end is formed to be tapered in the thickness direction. In addition, each protrusion 43
On the upper surface of the main body portion 41, the horizontal longitudinal direction is formed to be the radial direction. Further, on both side surfaces of the protrusion 43, as shown in FIGS. 2 and 3, hemispherical elastic protrusions 45 projecting laterally outward from the respective side surfaces are formed.
The elastic protrusion 45 is formed so as to be easily elastically deformed and bent by an external force, and to be easily elastically deformed and restored after the external force is removed.

As shown in FIGS. 1 and 2, the cushion member 50 is formed in a disk shape such that the overall shape matches the upper surface shape of the main body 41 of the spacer 40. Further, the cushion member 50 has a spacer 40 located at the center thereof.
A cross-shaped cross hole 51 penetrating from the front to the back so that the concave portion 42 can be inserted therein, and a protrusion 43 of the spacer 40 located at a position corresponding to the protrusion at 90 ° intervals on the same circumference of the cushion member 50. Rectangular holes that penetrate the front and back so that
52 are formed.

Although not shown, the cushion member 50 is formed by laminating a circular rubber sheet and a sponge. Of course, the material of the cushion member 50 is not limited to this, and may be a single elastic material such as rubber, sponge, soft resin, or a combination thereof. As shown in FIGS. 1 and 2, the plate 60 is formed in a thin strip shape having a length slightly shorter than the length of the side of the floor panel 90. In the center in the width direction of the plate 60, a trapezoidal protrusion that projects upward along the longitudinal direction and has a trapezoidal cross section in a direction perpendicular to the longitudinal direction.
Has 61. When the floor panel 90 is laid, both ends in the longitudinal direction of the plate 60 are kept in a state where there is a slight gap between the plate 60 and the spacer 40 of each of the adjacent support devices 10.

When an unbalanced load is applied as in the case of attaching and detaching the floor panel 90, one side in the width direction of the plate 60 abuts on the plate supporting portion 44, and the swing of the stringer 80 is prevented. You. As shown in FIGS. 1 and 2, the sheet 70 has a strip shape, and the length in the longitudinal direction is equivalent to the length of each side of the floor panel, and the width thereof is two adjacent floor panels 90.
Is set to be larger than the separation distance. Further, the sheet 70 includes a plate 60 and a stringer 80.
The space between the floor surface 100 and the floor panel 90 and the space between the floor surface 90 and the floor panel 90 are formed by magnetically adhering to the steel plate forming the bottom surface of the floor panel 90, which is formed of a magnetic material to increase adhesion to the floor and to prevent intrusion of dust and the like. It functions to seal the space above the panel 90.

As shown in FIGS. 1 and 2, the stringer 80 has a thin strip-shaped bottom 81 installed along a position corresponding to the trapezoidal projection 61 of the plate 60, and a slanting upper side from one end of the bottom 81. J-shaped bent portion 82 extending continuously toward the bottom and having its tip bent downward.
And As shown in FIGS. 1 and 2, the bottom portion 81 has rectangular mounting holes 83 penetrating front and back at both ends in the longitudinal direction, and into which the protrusions 43 are inserted. The bottom portion 81 is set so that its length in the longitudinal direction is slightly larger than the plate 60, and the mounting holes 83 at both ends are respectively formed in the opposing projections 43 of the adjacent support device 10. Inlaid.

As shown in FIGS. 1 and 2, the plate 60, the sheet 70 and the stringer 80 are connected with the plate 60 and the stringer 80 while the sheet 70 is sandwiched between the plate 60 and the stringer 80. Thereby, it is formed as an integral body for convenient handling. Next, the operation of the double-panel floor panel support device 10 will be described.

First, the support legs 20 are erected at positions corresponding to the corners of the floor panel 90 on the floor surface. Next, after adjusting the height of the support leg 20 to a predetermined height, the support plate 30 is fixed on the support leg 20. Next, the spacer 40 is placed on the support plate 30 such that the recess 31 of the spacer 40 enters the projection 31 of the support plate 30.
Fits on top of 30.

Thereafter, the cushion member 50 is fitted onto the upper surface of the spacer 40 such that the projection 43 of the spacer 40 enters the hole 52 of the cushion member 50 and the concave portion 42 of the spacer 40 enters the cross hole 51 of the cushion member 50. . Next, as shown in FIGS. 1 and 2, the plate 60, the sheet 70 and the stringer 80 formed as an integral body
The protrusion of the spacer 40 fixed to the upper part of the support leg 20.
It is located above between 43 and the protrusion 43 of the spacer 40 fixed to the upper part of the other support leg 20 adjacent to this support leg 20. Then, each projecting portion 43 facing each support leg 20
Then, the stringers 80 are arranged such that the mounting holes 83 at both ends thereof are respectively located.

Then, the stringer 80 is inserted so that the mounting hole 83 of the stringer 80 enters the projection 43 of the spacer 40.
From the top to the bottom. The mounting hole 83 of the pushed stringer 80 comes into contact with the elastic protrusion 44 projecting outward on the side surface of the protrusion 43. In this state, when the stringer 80 is further strongly pushed downward toward the spacer 40, the elastic protrusion 44 is pushed by the inner peripheral surface of the mounting hole 83 and bends. For this reason, the elastic projection 44 of the projection 43 is
Can pass through the inner peripheral surface.

When the elastic projection 44 passes through the inner peripheral surface of the mounting hole 83 and comes out above the stringer 80, the elastic projection 44 is restored to its original shape. For this reason, the protrusion
The stringer 80 is sandwiched between the elastic protrusions 44 of 43 and the upper surface of the spacer 40. Thus, even if a force is applied to pull the stringer 80 upward from the spacer 40, the stringer 80 does not easily come off the projection 43.

Similarly, a supporting device arranged in a grid pattern
The stringer 80 is passed between the 10 and the corners of the floor panel 90 are placed on the four corners of the cushion member 50 of the support device 10. As a result, the floor panel 90 is positioned at a predetermined distance from the surface of the floor 100.
Can be fixed. Support device 10 according to the present embodiment
Since the stringers 80 are firmly connected to each other, even if the stringers 80 accidentally come into contact with the stringers 80 during assembly work, the stringers 80 do not easily come off and the workability can be improved. Also,
When a person moves on the floor panel 90 after assembling, even if an impact or the like is applied to the support device 10, the stringer 80 can be prevented from coming off the support device 10.

Since the cushion member 50 is provided between the spacer 40 and the stringer 80, no gap is formed between the floor panel 90 and the spacer 40 when the floor panel 90 is laid. Further, since the spacers 40 are formed from a conductive resin, the stringers 80 and the floor panels 90 can be electrically connected to each other without being electrically insulated. This allows stringers
Static electricity generated on the floor panel 80 and the floor panel 90 can flow on the side wall surface in the room, or on the floor 100 surface via the support plate 30 and the support legs 20.

Therefore, it is possible to prevent dust or dust due to static electricity from accumulating between the floor panels 90. In addition, static electricity that is unpleasant for a person on the floor panel 90 can be suppressed, and a cause of noise to electronic devices installed on the floor panel 90 can be suppressed, thereby improving the reliability of these electronic devices. be able to.

[0044]

Since the present invention is configured as described above, it has the following effects. Claim 1
According to the described invention, by forming the protrusion for locking the stringer on the resin spacer, the manufacture is easy, and when the stringer is not used, the cap without the protrusion is attached to the support plate. By attaching the support panel, it is possible to provide a double-floor floor panel support apparatus that can share a support plate regardless of whether or not a stringer is used.

In addition to the above, according to the first aspect of the present invention,
The following effects are obtained. That is, the invention of claim 1
According to the above, it is possible to provide a double-floor floor panel support device capable of strengthening the connection between the mounting hole and the stringer. According to the invention described in claim 2, the contract
The following effects are obtained in addition to the effects of the invention described in claim 1.

That is, according to the second aspect of the present invention,
It is possible to provide a double-floor floor panel support device capable of preventing a gap from being generated between the floor panel and the spacer. According to the third aspect of the present invention,
In addition to the effects of the invention described in claim 1 or 2, the following effects
Play a fruit.

That is, according to the third aspect of the present invention,
It is possible to provide a double-floor floor panel support device capable of preventing generation of static electricity.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a supporting device for a floor panel of a double floor.

FIG. 2 is an exploded perspective view showing a connection portion between a stringer and a spacer.

FIG. 3 is a longitudinal sectional view showing a connecting portion between a stringer and a spacer.

FIG. 4 is a front view showing the floor panel support device after assembly is completed.

[Explanation of symbols]

 10 Support device 20 Support leg 21 Support bottom plate 22 Support shaft 30 Support plate 31 Convex part 40 Spacer 41 Body part 42 Depression 43 Projection part 44 Plate support part 45 Elastic protrusion part 50 Cushion member 51 Cross hole 52 hole 60 Plate 61 Trapezoid protrusion 70 Seat 80 Stringer 81 Bottom 82 Bend 83 Mounting hole 90 Floor panel 100 Floor

────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Nobutaka Yamamoto 5-27-16 Kuromotocho, Meguro-ku, Tokyo Petit Maison Takahashi 301 (72) Inventor Keiji Yamaguchi 184 Maiokacho, Totsuka-ku, Yokohama-shi, Kanagawa, Japan Shares Nifco Inc. (72) Inventor Masanobu Kawamoto 184 Maioka-cho, Totsuka-ku, Yokohama-shi, Kanagawa Prefecture Nifco Inc. (56) References JP 6-56048 (JP, B2) JINKO 52-5870 (JP) , Y2) (58) Fields surveyed (Int. Cl. ⁶ , DB name) E04F 15/024 603 E04F 15/024 606 E04F 15/00 101

Claims (3)

(57) [Claims] 1. A support leg erected at predetermined intervals on a floor, a support plate fixed to the support leg so as to be adjustable in height, and a support plate mounted on an upper surface of the support plate and adjacent to the support plate. In a supporting apparatus for a floor panel of a double floor provided with stringers for connecting the boards to each other, a mounting hole penetrating up and down is formed on a lower surface of the stringer, and between the support plate and the stringer. Positioning a resin spacer that partitions between adjacent floor panels, forming a protrusion on the upper surface of the spacer that fits into the mounting hole of the stringer, and protruding outward on the protrusion of the spacer. ,Before
The stringer bends and passes when passing through the mounting hole.
After that, the space is restored to the space between the spacer and the upper surface of the spacer.
A support device for a double-floor floor panel, wherein an elastic protrusion for sandwiching the hangers is formed . 2. The method according to claim 1 , wherein the space between the spacer and the stringer is:
Characterized by positioning an elastically deformable cushion member
The support device for a double-floor floor panel according to claim 1, wherein 3. The spacer is made of a conductive resin.
3. The method according to claim 1, wherein
Support device for heavy floor panels.