JPH068193Y2 - Leveling device for floating floor surface in double floor structure - Google Patents

Description

[Detailed Description of the Invention] <Industrial field of application> The present invention is a room (floating floor) such as a room where a computer or office automation device is installed, such as a computer room.
A double-floor structure used in the field of laying a large number of floor panels, especially a floor without floating steps by adjusting the panel surface of each floor panel laying a floor (floating floor) to the same level (Floating floor) The present invention relates to a level adjusting device for making a surface.

<Prior Art> Conventionally, in this type of double-floor structure, when a step is generated on the surface of the floating floor due to the unevenness of the foundation floor and the level is changed, as shown in FIG. 3 and FIG. The liner (20) is interposed between the pedestal (1a) of the supporting leg (1) standing on the surface (A) and the floor panel (2), and the mating edge (2a) of the adjacent floor panels (2) is provided. Match the heights of (2a) and make steps (2a) and (2a) stepped on the pedestal (1a). The liner (20) is also placed on all parts to make the surface of the floating floor (B) horizontal. ing.

By the way, the floor panel (2) on which the floating floor (B) is laid is used for maintenance of network cables such as signal cables and trunk cables wired in the underfloor space, and electrical equipment installed in the middle of these cables. It is removed during inspection and layout changes. At that time, the liner (20) interposed between the pedestal (1a) and the floor panel (2) without any locking means moves from the interposition position at the time of level adjustment, resulting in a step in the level adjustment state. And backlash,
When laying the floor panel (2) after maintenance and layout changes, the liner (20) must be interposed again to adjust the level.

The level adjustment is actually performed with the step between the mating edges (2a) and (2a) of the adjacent floor panels (2) as a guide.
It takes time and effort to select one or several sheets to intervene,
The work efficiency of laying the floating floor (B) is adversely affected.

In addition, the structure in which the four corners of the floor panel (2) are locked to the pedestal (1a) is a locking recess (which is recessed on the back surface of the four corners of the floor panel (2) on the upper surface of the four corners of the pedestal (1a). The engaging convex portion (40) for fitting and locking the engaging portion (30) is formed by cutting, and the engaging concave portion (30) is fitted into the engaging convex portion (40). In this case, the pedestal (1a) having the locking projections (40) at the four corners must be formed by applying cutting processing to the lump, and the processing cost also rises.

<Problems to be solved by the invention> The problem to be solved by the present invention is that the level adjustment state in which the mating edges of the adjacent floor panels are adjusted so that there is no step can be applied to the floor during maintenance inspection and layout change. It is an object of the present invention to provide an adjusting structure that does not cause an error when the panel is removed, and to make the adjusting operation simple and easy.

<Means for Solving Problems> Technical means taken by the present invention to solve the problems are as follows.
A double-floor structure in which supporting legs are erected in a grid pattern on the foundation floor, and a floating floor is laid by supporting a floor panel on the pedestal of the supporting legs, which is locked at the four corners of the pedestal. Along with opening the holes, adjust holes at the four corners of the floor panel at the positions corresponding to the locking holes, install nuts on the axis of the adjustment holes, and use level adjusting screw rods on the nuts. And a bag-like locking tool that opens downward at the lower end of the level adjusting screw rod, and is fitted into the locking hole to lock the first locking projection. A connecting member integrally formed with the second locking convex portion that is loosely fitted in the locking device back to back is placed on the pedestal, and the open edge of the locking device is the second engaging member of the connecting member. It is characterized in that it is placed around the convex portion.

<Operation> According to the above technical means, the following operation is achieved.

Since the locking tool at the lower end of the level adjusting screw rod is loosely fitted to the second locking convex portion of the connecting member and is in contact with the connecting member placed on the pedestal, the level adjusting screw rod should be rotated. The floor panel moves up and down to adjust the height.

<Embodiment> An embodiment of the present invention will be described with reference to the drawings. In the drawing, (A) is a concrete foundation floor surface of a building, (B) is a floating floor, (1) is a support leg, and (2) is a floor panel. , (3) is a border panel, (4) is a level adjusting device, (5) is a connecting member, and a large number of support legs (1) are provided on the foundation floor (A).
Is erected in a grid pattern, and the bottom plate (1b) is fixed to the foundation floor surface (A) with anchor bolts or adhesives, and the pedestal (1a) above the supporting legs (1) is erected. , Floor panels (2)
The floating floor (B) is laid by supporting the four corners of the vehicle through the level adjusting device (4) and the corners of the border panel (3) through the border receiving legs (6).

The support leg (1) has a pedestal (1a) vertically movable with a double nut (1d) on the upper side of the screw strut (1c) and a seat plate (1b) integrally attached to the lower end. With a well-known structure, locking holes (7) of desired sizes are opened at the four corners of the pedestal (1a).

The floor panel (2) has a conventionally known structure in which one side has a size of about 50 cm and is made of a metal agent such as an aluminum alloy or particle board, and the adjustment holes (8) vertically penetrate through the four corners in the vertical direction. ) Is open.

The level adjusting device (4) is provided with a mating edge (2) between the adjacent floor panels (2) due to the slope or unevenness of the foundation floor surface (A).
a) Raise the floor panel (2) on the lower side so as to eliminate the step between the border panel (3) and the edge (3a) (2a) between the border panel (3) and the adjacent floor panel (2). The floor panel (2) is a surface of the floating floor (B) with the panel surfaces of the floor panels (2) at the same level. The burring (9a) is provided on the bottom surface of the floor panel (2) on the axis of the adjusting hole (8). ), A nut with plate (4a) attached via a four-corner protection plate (9), and a screw rod (4b) for level adjustment screwed to the nut (4a) with plate, the plate with the plate The nut (4a) is integrally attached to the four corner protection plate (9), and the four corner protection plate (9) is attached.
The burring part (9a) of the above is engaged in the lower opening edge of the adjustment hole (8), and the four corner protection plates (9) are attached to the back surfaces of the four corners of the floor panel (2) with a strong instant adhesive (10). Wear it and attach the nut (4a) to the back.

At the lower end of the level adjusting screw rod (4b), there is a bag-like locking tool (11) which communicates with a locking hole (7) opened in the pedestal (1a) via a communication member (5) described later. The nut (4) is attached to the nut (4) in a downward opening, and a groove (13) is formed in the upper end surface of the nut (4) for inserting and rotating a driver (12).
It is screwed into a) in a penetrating manner.

The connecting member (5) is integrally formed of a synthetic resin material, a hard rubber material, or the like, and is fitted into the locking hole (7) and locked by the first locking projection (5a) and the locking tool ( The second engaging convex portion (5b) which is loosely fitted and inserted in 11) is integrally formed in a back-to-back shape. In the present embodiment, as shown in the drawing, the separator (14) integrally formed of a synthetic resin material is integrally formed on the upper and lower surfaces of the four corners.

Thus, in this embodiment, the support arm (1) erected on the base floor (A) has the same holes at the four corners of the separator (14) as the locking holes (7) at the four corners of the pedestal (1a). The first locking projection (5a) of the integrally formed connecting member 5 is inserted and locked, and the second locking projection (5b) is arranged in a protruding manner on the pedestal (1a).
Then, when the floor panel (2) having the level adjusting devices (4) attached to the four corners is supported by the pedestal (1a), the locking tool (11) attached to the lower end of the level adjusting screw rod (4b) is attached. The second locking projection (5b) is locked to the locking tool (11) with its opening edge abutting the upper surface of the corner of the separator (14) so that the load from above the floor panel (2) is applied to the upper surface. A large number of floor panels (2) are laid so as to be loosely fitted in.

After that, screw the level adjustment screw rod (4b) into the screwdriver (12).
The floor panel (2) on the lower side is lifted by rotating at, and the adjacent floor panels (2) are placed between the mating edges (2a) (2a) and between the border panel (3) and the adjacent floor panel (2). Adjust the panel surface by aligning the mating edges (3a) and (2a). In the figure, (15) is a cap that closes the upper opening of the adjustment hole (8) after the level adjustment.

In the above embodiment, the connecting member (5) is formed at the four corners of the synthetic resin separator (14) to be the same body, and the corners of the separator (14) are placed on the pedestal (1a) to communicate with each other. The first locking projection (5a) of the member (5) is fitted and locked in the locking hole (7) of the pedestal (1a), and at the same time, the second locking projection (5b) of the pedestal (1a). The embodiment arranged at the four corners has been described in detail, but the first locking projection (5a) and the second locking projection (5b) are integrally formed back to back from the front and back of the plate-like material. You may comprise the connection member (5). In this case, four pairs of the first locking protrusions (5a) and the second locking protrusions (5b) are provided, and by mounting them on the pedestal (1a), the locking holes at the four corners of the pedestal (1a) ( 7) The four first locking protrusions (5a) may be fitted and locked together in four pieces, or the first locking protrusions (5a) and the second locking protrusions may be locked. The part (5b) and the part (5b) are integrally formed back-to-back to form the connecting member (5), and each constituent body (4) of the connecting member (5) is individually inserted into the locking hole (7). You may make it arrange | positioned.

<Effects of the Invention> Since the present invention is configured as described above, it has the following operational effects.

(1) Level adjustment is performed by rotation of a level adjusting screw rod that is rotatably mounted on a connecting member that is mounted on a pedestal and that is loosely inserted into the second locking projection of the connecting member so as to be horizontally immovable. Since the adjustment structure is used, the liner may be misaligned or dropped when the floor panel is removed or installed (installed) at the time of maintenance and inspection or when the layout is changed as in the case of using a conventional liner, and the level adjustment state may change. There is no such thing.

(2) Level adjustment can be performed by rotating the level adjusting screw rod, so the adjustment work is easier and easier than the case where a liner is interposed, and the work efficiency of laying a floating floor is improved. At the same time, fine adjustment is possible by screw operation, and highly accurate level adjustment can be performed.

(3) A level adjusting device that finely adjusts the height of the floor panel on the pedestal by rotating a level adjusting screw rod integrated with the floor panel. The pedestal has locking holes at four corners. Since it can be used, it is possible to avoid the problem of taking a lot of time and the problem of increasing the processing cost as compared with the case of using the pedestal in which the engaging convex portion is formed by the troublesome cutting process.

[Brief description of drawings]

1 and 2 show an embodiment of the present invention, FIG. 1 is a cross-sectional view showing the main part, FIG. 2 is a plan view showing a part of the same, and FIGS. An example is shown, FIG. 3 is a sectional view, and FIG.
The figure is a plan view of the same. In the figure, (A): foundation floor, (B): floating floor (1): support legs, (1a): pedestal (2): floor panel, (3): border panel (4): level adjustment device ( 4a): Nut (4b): Level adjusting screw rod (5): Connecting member, (5a): First locking projection (5b): Second locking projection, (7): Locking hole (11) ): Locking tool

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Isamu Ishiguro 2-8-1, Motomura, Chigasaki-shi, Kanagawa Tochiki Co., Ltd., Chigasaki Plant (72) Hiroshi Kobayashi, Komukai Toshiba-cho, Kawasaki-shi, Kanagawa No. 1 Incorporated company Toshiba Research Institute (72) Inventor Kenji Sugimoto 1-344-1, Nase-cho, Totsuka-ku, Yokohama-shi, Kanagawa Taisei Corporation Technical Research Institute (56) References: 61-52029 )

Claims (1)

[Scope of utility model registration request] 1. A double floor structure in which support legs are erected in a grid pattern on a foundation floor, and a floating floor is laid by supporting a floor panel on the pedestal of the support legs. Open the locking holes at the four corners, open the adjustment holes at the four corners of the floor panel at the positions corresponding to the locking holes, and attach the nut on the axis of the adjustment hole. First, a level-adjusting screw rod is screwed in a penetrating manner, and a bag-like locking tool that opens downward is attached to the lower end of the level-adjusting screw rod, and is fitted into the locking hole and locked. 1. A connecting member integrally formed with back-to-back integrated locking projections and second locking projections that are loosely fitted in the locking tool is placed on the pedestal,
A level adjusting device for a floating floor surface in a double floor structure, wherein an open edge of the locking tool is placed around the second locking projection of the connecting member.