JPH0546166B2 - - Google Patents

Description

Detailed Description of the Invention (Industrial Field of Application) The present invention provides a method for attaching floor wiring fittings such as floor outlets and floor cable pull-out fittings (for telephones and OA equipment) to the floor by adjusting the level with the floor. Regarding the floor base for installation.

(Prior Art) Conventionally, for example, as a horizontal adjustment mechanism when installing a floor outlet on the floor, as shown in Fig. 7, a cross-sectional An arc-shaped concave surface c is provided, and a horizontal adjustment ring d having a convex surface e with an arc-shaped cross section on the outer peripheral surface is engaged with the arc-shaped concave surface c in a freely tiltable manner, and this adjustment ring d has a flange-shaped floor plate g at the upper end. By screwing in the floor outlet f from above and pressing the bottom surface of the floor plate g against the floor surface h, the adjustment ring d is tilted appropriately, thereby making the surface of the floor plate g of the floor outlet f parallel to the floor surface h. Generally, a configuration is used.

However, with this conventional mechanism, the floor plate protrudes from the floor by the thickness of the floor plate, which not only becomes an obstacle for pedestrians, but also creates a protrusion on the carpet surface when a carpet is laid on the floor. It had the disadvantage of causing wrinkles, which seriously spoiled the appearance.

(Problems to be Solved by the Invention) The first invention of the present application is a horizontal adjustment device that enables floor wiring fittings such as floor outlets to be installed while adjusting the level with the floor surface without raising the fittings from the floor surface. The purpose is to provide a floor base with a support stand.

The second invention of the present application, in addition to the object of the first invention,
It is an object of the present invention to provide a floor base with a horizontal adjustment support stand that allows easy horizontal adjustment operations.

(Means for Solving the Problems) In order to achieve the above object, the floor base with a horizontal adjustment support of the first invention of the present application has a floor base fixed in the floor, and a floor base installed on the floor above the floor base. A plate-shaped support is positioned within the floor wiring fitting installation opening, and at least three adjustment screw rods are installed on the floor base so that they can be raised and lowered at intervals from each other, with the rods protruding above the floor base. At the same time, the above-mentioned plate-shaped support is detachably supported on the upper end of each of these adjusting screw rods, and by turning each adjusting screw rod, the above-mentioned support can be adjusted up and down within the floor wiring fitting installation opening and tilted in all directions. The floor base with a horizontal adjustment support according to the second invention of the present application has a screw hole in the upper end of the floor base. Screw at least three horizontal adjustment screw rods protruding from above the floor base so that they can be raised and lowered at intervals, and at the upper end of each of the adjustment screw rods, corresponding to each adjustment screw rod. At the same time, place a support stand having a through hole and a wiring bracket mounting structure at the position where the fixing screw is screwed from the through hole of the support stand to the threaded hole of the adjustment screw rod, and connect the fixing screw and the screw hole. The configuration includes a spring that presses the threads of the screws into contact with each other. Embodiments of the present invention will be described below with reference to the drawings.

In Figures 1, 2, and 3, the floor base 1 is
It is a substantially square plate-like body having protrusions 2 around its four circumferences so as to fit into the upper end of the opening of a predetermined outlet box 20, and in the center thereof, a circular opening 3 into which the lower part of the floor outlet is to be introduced is opened. An annular plate-shaped support 4 having a circular opening 5 having a smaller diameter than the opening 3 of the floor base 1 in the center is mounted on the floor base 1 via a lifting and omnidirectional tilt adjustment mechanism. 6 are screws for fixing the floor base 1 to the outlet box 20.

Various mechanisms are used for raising and lowering the support base 4 and adjusting the inclination in all directions, but in this example, three horizontal adjustment screw rods 7 are attached to the outside of the opening 3 of the floor base 1. The adjusting screw rods 7 are screwed into each other at equal intervals in a vertically protruding state so as to be able to rise and fall freely, and each adjustment screw rod 7... has its upper end surface formed into a convex support surface 8 as shown in Figure 4c. At the same time, a screw hole 9 is provided that extends vertically from the center of the support surface 8 in the axial direction. 11... is each adjustment screw rod 7...
It is a locking nut that is screwed together. On the other hand, the support stand 4 has the adjustment screw rod 7 on the outside of the opening 5.
As shown in Figure 4b, a through hole 12 and a substantially hemispherical countersink 13 are formed in the upper part of the through hole 12 at a position corresponding to the support base 4, and the support surface 8 of the adjustment screw rod 7 is formed. The fixing screws 14 are inserted into the through holes 12 and screwed into the screw holes 9 of the adjustment screw rods 7. The fixing screw 14 has a head portion formed into a substantially hemispherical countersunk head 15 corresponding to the countersink hole 13 of the support base 4 as shown in Figure 4a, and a shaft portion 16 of the fixing screw 14 formed on the support base 4. The diameter is slightly smaller than that of the through hole 12, so that when the fixing screw 14 is slightly loosened, the support base 4 can tilt in all directions using the fixing screw 14 as a fulcrum.

A spring structure is provided for temporarily fixing the fixing screw 14 and the adjusting screw rod 7. Various structures can be used for this, but in this example, a coil spring 10 is installed in the screw hole 9 as shown in Figure 4c. is inserted, the fixing screw 14 is urged upward by the spring 10, and the fixing screw 14 and the threads of the screw hole 9 are pressed into contact with each other.

The support base 4 is provided with a floor wiring fitting mounting structure, and as an example, in this example, the floor outlet mounting structure includes a male screw provided on the inner peripheral surface of the opening 5 of the support base 4 and the outer peripheral surface of the main body of the floor receptacle. A female thread 17 to be screwed is provided, and a protrusion 18 is provided around the support base 4 to form a concave surface 19 on the upper surface of the support base 4 into which a flange-like floor plate provided at the upper end of the floor outlet is to be fitted. There is.

The function of the floor base with horizontal adjustment support in the above example is as follows. Outlet box 2 buried in the floor as shown in the third diagram by the usual method
0, fix the floor base 1 to
The support stand 4 is positioned in a floor outlet installation opening 21 made in the floor on the upper surface, and at this time, the lock nuts 11 of each adjustment screw rod 7 and each fixing screw 14 are loosened appropriately in advance.

First, while checking the height and inclination of the upper surface of the support base 4 with respect to the floor F, use a screwdriver to turn the head 15 of each fixing screw 14 as appropriate, and then tighten each adjustment screw rod 7 temporarily fastened thereto. The height and inclination of the support stand 4 are adjusted by raising and lowering it as appropriate, so that the upper surface of the support stand 4 is on the same plane as the floor surface F. Next, each lock nut 11... is tightened to the upper surface of the floor base 1 to lock each adjusting screw rod 7... to non-rotation, and then each fixing screw 14... is tightened to move the support base 4 to the upper end of the adjusting screw rod 7... Fix it.

Next, the floor outlet 22 is connected to the opening 5 of the support base 4 and the opening 3 of the floor base 1 as shown in the fifth figure.
At the same time, the male threaded part 23 of the outlet main body is screwed into the female thread 17 of the support stand opening 5, and the floor plate 24 of the outlet is fitted into the recessed surface 19 of the support stand. In this way, the floor outlet 22 can be installed on the same plane as the floor F without the upper surface protruding from the floor F.

The other embodiment shown in FIGS. 6a and 6b is an example equipped with another floor outlet mounting structure, in which three locking pins 25a each having a flange 26a at the tip are protruded downward from the lower surface of the floor plate 24a of the floor outlet 22a. On the other hand, the flanges 26a are provided on the support base 4a at positions corresponding to the locking pins 25a.
A locking groove 29a consisting of an insertion hole 27a and an eccentric cam groove 28a interlocked with the insertion hole 27a is provided, and the locking pin 25a is locked from the insertion hole 27a to the eccentric cam groove 28a. be.

(Effects of the Invention) According to the floor base with a horizontal adjustment support of the first invention of the present application, after the floor base is attached to the outlet box, the support and the floor wiring fittings to be attached to the support are flush with the floor surface. The height and inclination can be adjusted so that they form a flat surface. Therefore, if you attach floor wiring fittings such as a floor outlet to a support base adjusted in this way, it will be able to connect to the floor surface without protruding from the floor surface. It can now be installed on the same plane, making it extremely useful.

According to the floor base with a horizontal adjustment support of the second invention of the present application, in addition to the effects of the first invention, the adjustment screw rods can be raised and lowered by turning each fixing screw whose screw thread is in pressure contact with each adjustment screw rod by a spring. This allows the height and inclination of the support to be easily adjusted.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention; FIG. 1 is a plan view, FIG. 2 is a front view, FIG. 3 is a sectional view taken along the line -- in FIG. 1, FIG.
Figure b is an enlarged cross-sectional view of the through-hole portion of the support base, Figure 4c
The figure is an enlarged vertical sectional view of the horizontal adjustment screw rod, FIG. FIG. 7 is a schematic vertical cross-sectional view of a conventional example. 1, 1a...floor base, 4,4a...support stand,
7...Horizontal adjustment screw rod, 9...Screw hole, 10...Coil spring, 11...Lock nut, 12...Through hole, 1
4, 14...fixing screw, 17...female screw, 21...floor outlet mounting opening, 29a...locking groove.

Claims (1)

[Scope of Claims] 1. A floor base is fixed in the floor, a plate-shaped support is positioned in a floor wiring fitting installation opening opened in the floor above the floor base, and at least three wires are installed on the floor base. Adjustment screw rods are screwed together at intervals so that they can be raised and lowered while protruding above the floor base, and the plate-shaped support is removably supported at the upper end of each adjustment screw rod. and by turning each adjustment screw rod, the above-mentioned support stand can be adjusted up and down within the floor wiring fitting installation opening and tilted in all directions. Floor base with adjustable support. 2 At least three horizontal adjustment screw rods having screw holes at their upper ends are screwed into the floor base so that they can be raised and lowered at intervals from each other while protruding from the top of the floor base, and each of the above adjustment screw rods is A support stand having through holes at positions corresponding to each adjusting screw rod and having a floor wiring fitting mounting structure is placed on the upper end, and a fixing screw is inserted from the through hole of the support stand into the screw hole of the adjusting screw rod. A floor base with a horizontal adjustment support that is screwed together and has a spring that presses the threads of the fixing screw and the screw hole.