JP3854695B2 - Floor panel fixture - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a floor panel fixture for fixing a floor panel to a support mechanism.
[0002]
[Prior art]
A clean room for a semiconductor manufacturing factory or a large computer employs a double floor in which a grating, which is a kind of floor panel, is laid on a support mechanism such as a floor frame for the purpose of air conditioning or the like. In this double floor, the grating is fixed to the floor frame by a fixture, and further, devices such as semiconductor manufacturing equipment and computers are fixed to the grating. This prevents the device from falling over when an earthquake occurs. In particular, in recent years, there has been an increasing tendency to prevent damage due to the earthquake disaster, and refurbishment work for fixing the floor frame and the grating in the existing clean room that has not been fixed at the time of construction is being promoted.
[0003]
A conventional method for fixing the grating to the floor frame will be described with reference to FIG. On the floor base G such as concrete, a large number of support legs 107 including a lower pedestal 101, a support column 103, and an upper pedestal 105 are installed at a predetermined interval to constitute a support mechanism. A grating 109 is laid on the support leg 107. Normally, a corner portion of four adjacent gratings 109 is placed on one support leg 107, but for convenience of explanation, FIG. 6 shows the corner portions of two gratings 109 that are located in the depth direction in the drawing. ing. An annular washer 111 is placed on the corners of both gratings 109, 109, and a set screw 113 is inserted downward from the center of the washer 111. The set screw 113 passes through the gap space between both gratings 109 and 109 and is screwed into the lower upper base 105. The grating 109 is fixed to the support leg 107 by the washer 111 and the set screw 113.
[0004]
A double floor in which a floor frame (not shown) is stretched vertically and horizontally on the support legs 107 to form a support mechanism with the support legs 107 and the floor frame, and the grating 109 is fixed to the floor frame. is there.
[0005]
[Problems to be solved by the invention]
In the conventional fixing method described above, the upper surfaces of the washer 111 and the set screw are located further above the upper surface of the grating 109. Therefore, it is dangerous for an operator to hit the washer 111 or the like. Further, in order to prevent the device from being tilted, the device cannot be installed on the washer 111. Moreover, even if it is attempted to renovate an existing clean room in which equipment is already installed and fix the grating 109 in the vicinity of the leg of the equipment, the leg of the equipment may hinder and the washer 111 may not be installed. Further, when the fixed grating 109 is peeled off for the purpose of maintenance or the like, there is a problem that it is necessary to remove the set screw 113 with a tool one by one, which requires much labor.
[0006]
The present invention has been made in view of these problems, and an object of the present invention is to provide a floor panel fixture that does not protrude upward from the floor panel and that can reduce labor when the floor panel is peeled off. And
[0007]
[Means for Solving the Problems]
The present invention, which has been made to solve the above-described problems, is a floor panel fixture that is installed and used on a support mechanism in order to fix the floor panel to the support mechanism. The floor panel fixture is hooked on the support mechanism. a substantially J-shaped hook member, and engage the floor panels provided with a stopper for preventing the upward movement of the floor panels, the openings provided in the floor panels, or the gap between adjacent floor panels to each other The hook member is configured so that one end of the hook member is rotatably supported and the other end of the hook member is expanded and contracted by rotation and reverse rotation. In addition, the other end of the hook member is contracted and closed by its own weight so that the hook member is hooked to the support mechanism, while the other end of the hook member is expanded to release the hook member and the support mechanism from being hooked. floor panel fixing, characterized in that configuration the A (claim 1).
[0008]
Since this floor panel fixture is used by being disposed in a gap between adjacent floor panels or an opening provided in the floor panel, the upper surface of the floor panel fixture may be positioned above the upper surface of the floor panel. rare. Therefore, it is possible for the operator to install the apparatus on the floor panel fixture without causing the operator to go away. Further, since the conventional washer shown in FIG. 6 is not provided, the present invention can also be applied to a floor panel in the vicinity of a leg portion of an existing device.
[0009]
Also, a substantially J-shaped hook member that is hooked to the support mechanism is provided. The other end of the hook member is contracted and the hook member is hooked to the support mechanism such as a support leg, whereby the floor panel is It is fixed to the support mechanism, the other end of the hook member is expanded, and the hook panel and the support mechanism are unlocked to release the fixing of the floor panel and the support mechanism. As a result, the floor panel can be easily peeled off as necessary while realizing secure fixation between the floor panel and the support mechanism.
[0010]
Further, by rotating the hook member and expanding the other end of the hook member, the floor panel fixing tool can be easily attached and detached, and further, the hook member is rotated in the reverse direction. The floor panel can be easily fixed to the support mechanism by closing and closing the other end. And in the state which installed and used the floor panel fixing tool on the support mechanism, the other end of the hook member is contracted by its own weight, and the hook member is hooked on the support mechanism, whereby the floor panel is supported by the support mechanism. Therefore, the floor panel can be more easily fixed to the support mechanism.
[0011]
Further, in the present invention, by providing a rotation preventing means for preventing the other end of the hook member from spreading, it is possible to prevent the hook member from rotating due to vibration or the like and releasing the hook member and the support mechanism from being released. (Claim 2 ).
[0012]
In this invention, a holding member that can be freely attached to and detached from the stopper is provided, and the stopper is locked to the holding member so that the floor panel is fixed to the support mechanism, and the locking between the stopper and the holding member is released. If the construction is such that the fixing of the floor panel and the support mechanism is released, the floor panel can be peeled off more easily (Claim 3 ).
[0013]
Specifically, the holding member is provided with a base plate carrier surface that comes into contact with the bottom surface of the main body plate of the stopper, and a notch portion that is notched downward from the base plate carrier surface. There is a rod-shaped part that engages with one end of the main body plate, and an insertion part that fits into the notch of the holding member is provided. When an upward load is applied to the rod-shaped part, a rotational moment is generated in the stopper. When this rotational moment is generated, the stopper is prevented from rotating by the contact portion between the surface of the insertion portion and the surface of the notch, and the stopper is prevented from rising. May be configured to be hooked on the hold member (claim 4 ).
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail with reference to the drawings.
[0015]
FIG. 1 is an exploded perspective view of a floor panel fixture Y according to an embodiment of the present invention. The floor panel fixture Y is hold member 10, a pair of right and left stoppers 20, and a left right pair of hook members 30 and a pair of front and rear wear plate 40.
[0016]
The hold member 10 is mainly composed of a base plate 11. The base plate 11 is provided with two notches 12 having a substantially inverted T-shaped cross section. Further, concave portions 13 having a substantially semicircular cross section are provided on both the left and right sides of the base plate 11. Further, a protrusion 14 is formed at the lower center of the base plate 11.
[0017]
The stopper 20 includes a main body block 21 having a substantially inverted T-shaped cross section and a rod-like portion 22 provided at the upper center of the main body block 21 and orthogonal to the main body block 21. The outer dimension of the main body block 21 is slightly smaller than the inner dimension of the notch 12 of the hold member 10. The length in the front-rear direction of the rod-like portion 22 is set to be larger than the width in the front-rear direction of the assembled floor panel fixture Y.
[0018]
The hook member 30 has a substantially J-shaped cross section. A shaft support portion 31 is provided at one end of the hook member 30, and a pin hole 32 is formed in the shaft support portion 31. The inner diameter of the pin hole 32 is larger than the outer diameter of the pin 50 described later. The other end of the hook member 30 is a flat contact surface 33.
[0019]
The contact plate 40 is thin-walled, and the length in the left-right direction is substantially equal to the length in the left-right direction of the hold member 10. Two semicircular notch portions 41 are formed on the upper side of the contact plate 40. The inner dimension of the semicircular notch 41 is slightly larger than the outer dimension of the rod-shaped part 22 of the stopper 20. Pin holes 42 are formed on the left and right sides of the contact plate 40.
[0020]
When assembling the floor panel fixture Y, the stopper 20 is first loosely inserted into the notch 12 of the hold member 10. Next, the shaft support 31 of the hook member 30 is placed in the recess 13 of the hold member 10. Next, the plates 40, 40 are brought into contact with the hold member 10 from before and after the hold member 10. Then, the pin 50 is passed through the pin hole 42 of the front address plate 40, the pin hole 32 of the hook member 30 and the pin hole 42 of the rear address plate 40 in this order, and is fixed by a known means (not shown) such as caulking. The Accordingly, the stopper 20 is fixed to the hold member 10 and the hook member 30 is rotatably supported by the shaft support portion 31.
[0021]
Next, a method of fixing the grating 109 using the main floor panel fixture Y will be described with reference to FIGS. FIG. 2 is a plan view showing a state in which the floor panel fixture Y is installed between the gratings 109, and FIG. 3 is a partial cross-sectional view along the line AA in FIG. In FIG. 3, the support legs 107 and the grating 109 are the same as those of the conventional example shown in FIG. The grating 109 includes a large number of openings 115, a solid part 117 positioned between the openings, and an outer frame 119 that forms the outer periphery of the grating 109.
[0022]
In order to fix the grating 109 using the floor panel fixture Y, the grating 109 is first placed on the upper base 105 of the support leg 107 at a predetermined interval. Next, both the hook members 30, 30 are rotated with a finger or the like in the direction indicated by the arrow R in FIG. 3 to expand the hook members 30, 30, and the floor panel fixture Y is placed on the upper base 105. Install. At this time, the floor panel fixture Y is positioned by inserting the protrusion 14 (see FIG. 1) of the holding member 10 into a center hole (not shown) drilled in the center of the upper base 105. Of course, when positioning is not necessary, the center hole and the protrusion 14 may be omitted. When the finger is released from the hook members 30 and 30 after installation, the hook members 30 and 30 rotate in the direction opposite to the direction indicated by the arrow R in FIG. Then, the contact surface 33 contacts the back surface of the upper pedestal 105. As a result, the hook member 30 is hooked on the support leg 107, and the upward movement of the floor panel fixture Y is prevented.
[0023]
On the other hand, a substantially semicircular outer frame notch 121 is notched in the outer frame 119 of the grating 109, and the outer frame notch 121 and the rod-shaped portion 22 of the floor panel fixture Y are engaged. The bar-shaped portion 22 prevents the grating 109 from moving upward. Thereby, fixation of the support leg 107 and the grating 109 via the floor panel fixture Y is easily achieved.
[0024]
When peeling off the grating 109, both hook members 30, 30 are rotated and expanded in the direction indicated by the arrow R in FIG. 3 to release the hook member 30 and the support leg 107 from being locked, and to fix the floor panel. Remove the tool Y. Thereby, fixation with the support leg 107 and the floor panel fixing tool Y is cancelled | released, and the grating 109 can be peeled off easily.
[0025]
Although it is not always necessary to cut out the outer frame cutout portion 121 in the outer frame 119 of the grating 109, the position of the stopper 20 can be lowered by cutting out the outer frame cutout portion 121, so that the floor panel fixture Y This is preferable because it is possible to substantially prevent the upper surface of the grating 109 from protruding upward. In addition, the grating 109 can be fixed by arranging the main floor panel fixture Y in the opening 115 instead of the gap between the adjacent gratings 109 and 109. In this case, a notch that engages with the rod-like portion 22 may be provided in the solid portion 117 of the grating 109.
[0026]
In this embodiment, the support mechanism is configured only by the support legs 107, and the floor panel fixture Y is hooked on the support legs 107, but a floor frame (not shown) is stretched over the support legs 107. The support leg 107 and the floor frame may constitute a support mechanism, and the floor panel fixture Y may be hooked on the floor frame.
[0027]
Although various materials can be applied to the floor panel fixture Y, it is preferable to use metal materials such as steel, stainless steel, copper alloy, and aluminum alloy from the viewpoint of improving the strength.
[0028]
FIG. 4 shows a part of the hold member 10 and the hook member 30 of the floor panel fixture Y according to another embodiment of the present invention. The structure of the stopper 20 and the cover plate 40 of the floor panel fixture Y is the same as that of the embodiment shown in FIG. The hook member 30 is provided with a second pin hole 34, and a pin (not shown) inserted into the second pin hole 34 rotatably supports a rotation stopper 35 as a rotation preventing means. Has been. When attaching and detaching the floor panel fixture Y, the hook member 30 is moved in the direction indicated by the arrow R in FIG. 4 in a state where the rotation stopper 35 is erected as shown by an imaginary line (two-dot chain line) in FIG. Rotate to expand.
[0029]
On the other hand, after the hook member 30 is engaged with the support leg 107, the rotation stop 35 is tilted as shown by the solid line in FIG. 4 to bring the tip 36 into contact with the wall surface of the hold member 10. In this way, the hook member 30 can be prevented from rotating in the direction indicated by the arrow R in FIG. 4, and the hook member 30 and the support leg 107 can be prevented from being released due to vibration or the like. be able to.
[0030]
FIG. 5 shows a hold member 60, a stopper 70, and a hook member 30 of a floor panel fixture Y according to another embodiment of the present invention. The configuration of the hook member 30 is the same as that of the floor panel fixture Y shown in FIG. The floor panel fixture Y is also provided with the same plate 40 as the floor panel fixture Y shown in FIG. 1, but for convenience of explanation, the plate 40 is omitted in FIG.
[0031]
The hold member 60 is mainly composed of a base plate 61. The base plate 61 is provided with a base plate carrier surface 62 that comes into contact with the bottom surface of the stopper 70 and two notches 63 that are notched downward from the base plate carrier surface 62. On the left and right sides of the base plate 61, similarly to the floor panel fixture Y shown in FIG. 1, recesses 64 having a substantially semicircular cross section are provided. Further, a projection 14 similar to the floor panel fixture Y shown in FIG. 1 is formed at the lower center of the base plate 61.
[0032]
The stopper 70 mainly includes a main body plate 71, an insertion portion 72, and a rod-shaped portion 73. The insertion portion 72 is suspended in an oblique direction from one end of the main body plate 71 (an end near the center of the floor panel fixture Y, hereinafter referred to as “first end”). The rod-like portion 73 is provided near the other end (hereinafter referred to as “second end”) of the main body plate 71 and orthogonal to the main body plate 71. The length of the rod-shaped part 73 is set larger than the thickness of the floor panel fixture Y. The second end of the main body plate 71 is provided with an inclined portion 74 that is inclined upward from the first end side toward the second end side.
[0033]
The bottom surface of the main body plate 71 of the stopper 70 is in contact with the base plate carrier surface 62 of the hold member 60. The insertion portion 72 of the stopper 70 is fitted into the cutout portion 63 of the hold member 60. In this state, the rod-shaped portion 73 is engaged with the outer frame cutout portion 121 (see FIG. 2) of the grating 109. When the grating 109 is to be peeled upward due to an earthquake, an upward load is applied to the rod-like portion 73 via the outer frame cutout portion 121. Since the rod-like portion 73 is provided near the second end of the main body plate 71 as described above, when an upward load is applied to the rod-like portion 73, the stopper 70 itself rotates in the direction indicated by the arrow M. A moment is generated and the stopper 70 tries to rotate. However, the contact points P and Q between the surface of the insertion portion 72 and the surface of the notch portion 63 prevent this rotation, and as a result, the rod-shaped portion 73 is prevented from rising. Accordingly, the upward movement of the grating 109 is prevented and the grating 109 is not peeled off.
[0034]
In addition, it is preferable that the insertion part 72 and the notch part 63 are made into the shape that the contact part P becomes what is called an undercut shape, as FIG. 5 shows. Thereby, the upward movement of the stopper 70 when an upward load is applied to the rod-like portion 73 is more reliably prevented.
[0035]
As described above, the stopper 70 is provided with the inclined portion 74, and a gap K is generated between the inclined portion 74 and the base plate carrier surface 62 of the hold member 60. When the locking between the stopper 70 and the hold member 60 is released, the second plate end of the main body plate 71 of the stopper 70 is pressed downward, and the gap K is narrowed. Accordingly, the stopper 70 rotates in the direction opposite to the direction indicated by the arrow M, and the insertion portion 72 is removed from the notch portion 63. Thus, the stopper 70 and the hold member 60 are unlocked, and the grating 109 can be peeled off.
[0036]
That is, in this floor panel fixture Y, in addition to the release of the hook member 30 and the support leg 107 as in the embodiment shown in FIG. Also, the fixing of the grating 109 and the support leg 07 can be released.
[0037]
In this floor panel fixture Y, it is needless to say that a rotation stopper 35 similar to that of the embodiment shown in FIG. 4 may be provided.
[0038]
The present invention has been described above by taking a clean room as an example. However, the floor panel fixture Y of the present invention is not limited to a clean room, and can be applied to a double floor for any use. The floor panel fixed by the floor panel fixture Y of the present invention is not limited to the grating 109, and can be applied to all floor panels such as a fiber reinforced concrete panel (so-called GRC) and an aluminum die-cast panel.
[0039]
【The invention's effect】
As described above, the floor panel fixture of the present invention hardly protrudes upward than the floor panel. Therefore, the operator does not crawl, and even if the device is installed above the floor panel fixture, the device does not tilt, and even if the device is already installed, the floor panel is fixed near the leg of the device. You will be able to install tools. Furthermore, since the floor panel fixture of the present invention can be easily detached from the support mechanism as necessary, the floor panel can be easily peeled off.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of a floor panel fixture according to an embodiment of the present invention.
FIG. 2 is a plan view showing a state in which the grating is fixed by the floor panel fixture shown in FIG. 1;
FIG. 3 is a partial cross-sectional view seen from the front direction, showing a state in which the grating is fixed by the floor panel fixture shown in FIG. 1;
FIG. 4 is a partially omitted view illustrating a floor panel fixture according to another embodiment of the present invention.
FIG. 5 is a partially omitted view illustrating a floor panel fixture according to still another embodiment of the present invention.
FIG. 6 is a front view showing a conventional floor panel fixing method.
[Explanation of symbols]
Y ... Floor panel fixtures 10, 60 ... Hold members 20, 70 ... Stoppers 22,73 ... Bar-shaped portion 30 ... Hook member 35 ... Rotation stopper 40 ... Heat plate 50 ... Pin 62 ... Base plate carrier surface 63 ... Notch 71 ... Main body part rate 72 ... Insertion part P, Q ... Contact part K ... Gap

Claims (4)

In the floor panel fixture used by installing on the support mechanism in order to fix the floor panel to the support mechanism,
The floor panel fixing tool has a substantially J-shaped hook member that is hooked on the support mechanism, and
And a stopper for preventing the upward movement of the floor panels to engage the floor panels,
It is used by being arranged in the opening provided in the floor panel or in the gap between the adjacent floor panels,
The hook member is
One end of the hook member is rotatably supported, and the other end of the hook member is configured to be expanded / contracted by rotation / reverse rotation,
In addition, the other end of the hook member is contracted and closed by its own weight, and the hook member is hooked on the support mechanism, while the other end of the hook member is expanded to hook the hook member and the support mechanism. A floor panel fixture characterized by being configured to be released . Floor panel fastener of claim 1 rotation preventing means provided et the to prevent expansion of the other end of the hook member. A holding member that can freely attach and detach the stopper is provided. When the stopper is locked to the holding member, the floor panel is fixed to the support mechanism, and the locking between the stopper and the holding member is released. The floor panel fixture according to claim 1, wherein the floor panel and the support mechanism are released from each other . The hold member includes a base plate carrier surface that comes into contact with the bottom surface of the stopper, and a notch cut out downward from the base plate carrier surface. The stopper is a main body plate, a floor panel orthogonal to the main body plate. A rod-shaped portion that engages with the rod and an insertion portion that is substantially suspended from one end of the main body plate and is fitted into the notch portion of the holding member. The rod-shaped portion rotates to the stopper when an upward load is applied to the rod-shaped portion. It is mounted near the other end of the main body plate so that a moment is generated. When the above-mentioned rotation moment occurs, the stopper is prevented from rotating by the contact point between the surface of the insertion portion and the surface of the notch. The floor panel fixture according to claim 3 , wherein the floor is prevented from rising and the stopper is locked to the holding member .

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