JPH0530133B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a floor outlet for taking out telephone lines and the like from the floor surface.

[Conventional technology]

As a floor outlet that has been commercially available and widely used, there is one shown in FIG. 9. This floor outlet has a base 5 placed on the floor 51.
2 and an outer shell 53 that covers the base 52. The base 52 is screwed onto a cylindrical threaded portion 54 provided in a floor duct or the like below the floor surface. The outer rack 53 is provided with an outlet 55 for electrical wires such as telephone lines, and is connected to the floor 51 through a packing 58 for preventing rotation.
placed in In this state, the fixing screw 56 is inserted from the upper surface of the outer shell 53, screwed into the screw hole 57 of the base 52, and tightened, thereby fixing the outlet 55 to the floor 51 in an arbitrary direction.

[Problem to be solved by the invention]

However, in this conventional floor outlet, the head of the fixing screw 56 that fixes the outer cover 53 is exposed on the top surface, so the fixing screw 56 is conspicuous, and moreover, dust may adhere to the vicinity of the head of the fixing screw 56. There is a problem that the appearance is significantly deteriorated.

In addition, since the entire outer shell 53 is formed in one piece, if you want to change the color of the top surface of the floor outlet to match the paint color of office equipment or the finishing color of the floor, the entire outer shell 53 must be replaced. Must be. Therefore, replacement parts become expensive. In recent years, due to demands for interior design in offices, it has been strongly desired that floor outlets be harmonized in color with the indoor floor, office equipment, etc.

The purpose of this invention is to make it possible to change the color of the top surface by simply replacing parts, to harmonize the color with surrounding fixtures, office equipment, etc., and to have an excellent appearance by preventing screws from being exposed to the outside. The purpose of this invention is to provide an outlet for the floor.

[Means to solve the problem]

The floor outlet of the present invention includes a base having a threaded tube protruding from the lower surface of a mounting plate having a screw hole, and the threaded tube is screwed onto a threaded portion of a wiring member under the floor surface. Wiring members include floor ducts, floor boxes, etc. A cylindrical shell with open ends is provided surrounding the outer periphery of the base and placed on the floor surface. This outer shell is provided with a screw insertion hole that aligns with the screw hole and an outlet opening on the side. A decorative board is provided to cover the upper surface of the outer shell, and an elastic engagement piece that engages with an engaged portion provided in the outer shell is provided on the lower surface of the decorative board.

[Effect]

According to the structure of the present invention, since the decorative board is locked to the outer engaged part by the elastic engaging piece on the lower surface of the decorative board,
The decorative board can be easily attached and detached. Therefore, decorative boards of various colors can be prepared and easily replaced. In addition, since screws are not used to attach the decorative board, the screw heads are not visible on the top surface of the floor outlet, giving it a good appearance. Furthermore, since the outer shell is a cylindrical body with both ends open, the state of the wiring inside the outer shell can be easily checked by removing the decorative board.

〔Example〕

A first embodiment of the present invention will be described based on FIGS. 1 to 8. FIG. 1 is a sectional view taken along the line -- in FIG. 2.

This floor outlet consists of a base 1, an outer shell 2, a decorative board 3, and a packing 4 for preventing rotation.
and a fixing screw 5.

The base 1 has a floor duct 7 which is a piping member.
It consists of a threaded cylinder 1a that is screwed into the insert threaded part 6 (Fig. 8) and a mounting plate part 1b located on the upper surface of the floor 9, and two boss parts 1d protruding from the upper surface of the mounting plate part 1b. (Fig. 4) shows the mounting screw 5 of the fixing screw 5.
screw holes 1c are provided.

As shown in FIGS. 5 and 6, the outer shell 2 is formed into a short cylindrical body with both ends open, and a screw insertion hole 2 into which the fixing screw 5 is inserted.
Mounting seats 2d having a diameter b are provided protruding from two locations on the inner surface. An inverted U-shaped outlet 2e for pulling out electric wires such as telephone lines is formed in the circumferential body of the outer shell 2 by cutting out from the lower end thereof. , the drawer opening 2e is the mounting seat 2d
Provided at 1 to 4 circumferential locations at circumferential positions that do not interfere with the An annular protrusion 2c is provided at the lower end of the outer shell 2 to fit into a circumferential groove 4a on the upper surface of the packing 4 (FIG. 1). Further, on the upper edge of the inner surface of the outer shell 2, a protruding engaged portion 2f for engaging the elastic engagement piece 3a of the decorative board 3 is provided. The packing 4 is fixed to the outer cover 2 in advance with adhesive or the like.

The decorative board 3 is formed into a disk shape with an outer diameter equal to the outer diameter of the upper surface of the outer cover 2 (Fig. 7), and has a claw portion 3 at the tip.
Two key-shaped elastic engagement pieces 3a from which b is protruded are formed on the lower surface. The decorative board 3 is made of a resin molded product, and the elastic engagement piece 3a is integrally formed. The decorative plate 3 may be a metal casting, in which case the elastic engagement piece 3a is formed from a separate component such as spring steel and attached.

Next, the construction procedure for the above configuration will be explained. 8th
As shown in the figure, an electric wire 8 such as a telephone line is pulled out from the insert screw part 6 of the floor duct 7. This electric wire 8 is inserted into the threaded tube 1a of the base 1, and the threaded tube 1a is screwed into the insert threaded portion 6. After that, the outer cover 2 to which the packing 4 has been attached in advance is placed over the electric wire 8. Determine the direction in which the electric wire 8 will be drawn out, and align the outlet 2e of the outer drawer 2 with the direction of the electric wire 8. Align the screw hole 1c of the base 1 and the screw insertion hole 2b of the outer cover 2 at the same position. Fixing screw 5
Pass it through the screw insertion hole 2b of the outer screw 2, and attach it to the base 1.
Screw it into the screw hole 1c and tighten to the appropriate torque. At this time, the outer paddle 2 is pulled down with respect to the base 1, and the outer paddle 2 is attached to the packing 4 for preventing rotation.
is strongly pressed against the floor 9 through the Therefore,
Outer paddle 2 is stopped from rotating. After confirming that the outer cover 2 is firmly attached, the elastic engagement piece 3a of the decorative board 3 is aligned with the engaged portion 2f of the outer cover 2, and the decorative board 3 is pressed against the outer cover 2. By this pressing, the elastic engagement piece 2a engages with the engaged piece 2f, and the decorative board 3 is attached.

Construction is completed with the above steps. When removing the decorative board 3, insert a tool such as a flathead screwdriver into the gap between the decorative board 3 and the outer cover 2. This results in
The elastic engagement piece 3a of the decorative board 3 is disengaged from the engaged portion 2f, and the decorative board 3 can be removed. Further, the entire assembly can be removed by performing the procedure opposite to the above-mentioned construction procedure.

In this floor outlet, the decorative board 3 is engaged with the engaged portion 2f of the outer cover 2 by the elastic engagement piece 3a on the lower surface of the decorative board 3, so that the decorative board 3 can be easily attached and removed. Therefore, by preparing decorative boards 3 of various colors and replacing them as appropriate, it is possible to easily achieve color harmony with surrounding fixtures, office equipment, etc. Further, since screws are not used to attach the decorative board 3, the screw heads are not exposed on the top surface, resulting in a good appearance. In addition, since the screw head is not exposed, there is a high degree of freedom in design, and this also makes it easy to harmonize with surrounding equipment. Furthermore, since the outer cover 2 is made into a cylindrical body with both ends open, the internal wiring state can be easily checked by removing the decorative plate 3.

Note that this floor outlet can also be attached to a threaded portion of a floor box or the like embedded in the floor 11 instead of the floor duct 7.

〔Effect of the invention〕

In the floor outlet of the present invention, the decorative board is engaged with the outer engaged portion by the elastic engagement piece on the lower surface of the decorative board, so that the decorative board can be easily attached and removed. Therefore,
By preparing decorative boards in various colors and replacing them as appropriate, it is possible to easily achieve color harmony with surrounding fixtures, office equipment, etc. Also,
Since no screws are used to attach the decorative board, the screw heads are not exposed on the top surface and the appearance is good. In addition, since the screw head is not exposed, there is a high degree of freedom in design, and this also makes it easy to harmonize with surrounding equipment. Furthermore, since the outer shell is a cylindrical body with open ends,
By removing the decorative board, it is possible to easily check the wiring status inside the outer housing.

[Brief explanation of drawings]

FIG. 1 is a sectional view of a first embodiment of the invention, FIG. 2 is a plan view thereof, and FIG. 3 is a front view thereof.
FIGS. 4A to 4D are respectively plan views of the base;
A broken front view, a broken side view, and a bottom view; FIGS. 5A and 5B are respectively a front view and a bottom view of the exterior; FIG. 5C is a sectional view taken along the line -- of FIG. 5B;
Figure 6A is a - line sectional view of Figure 5B, Figure 6B
6C is a plan view of the exterior thereof, FIG. 6C is a view taken in the direction of arrow C in FIG. are respectively a sectional view taken along the C'-C' line, D'-D', and E-E in FIG. 7B, and FIG. 8 is a sectional view of the base attached to the floor duct. , FIGS. 9A to 9C are a plan view and a cutaway front view of the conventional example, respectively.
and a bottom view. 1...Base, 1a...Threaded cylinder, 1b...Mounting plate part, 1c...Threaded hole, 2...External cover, 2b...
Screw insertion hole, 2e... Outlet, 2f... Engaged portion, 3... Decorative board, 3a... Elastic engagement piece, 5...
Fixing screw, 7... Threaded portion of wiring member, 9... Floor.

Claims (1)

[Claims] 1. A base having a screw tube protruding from the lower surface of a mounting plate having a screw hole, which is placed on the floor surface and the screw tube is screwed onto a threaded portion of a wiring member below the floor surface, and a base having open ends at both ends. an outer shell which is a cylindrical body having a wire outlet opening in a circumferential trunk portion, has an engaged portion at an upper portion, and is disposed on the floor surface surrounding the outer periphery of the base; a fixing screw that is inserted through a screw insertion hole and screwed into the screw hole of the base; and an elastic engagement piece that covers the upper surface of the outer shell and engages the engaged portion of the base on the lower surface. Floor outlet with decorative board.