JPH088740B2 - Flat wiring extractor - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION A. Purpose of the Invention (1) Field of Industrial Application The present invention is directed to removing a flat wiring from a wiring duct or wiring pit upper lid provided on a floor, for example. The present invention relates to a flat wire take-out tool attached to an upper lid.

(2) Conventional Technology Conventionally, flat wiring is generally laid between a floor surface and a tile carpet laid on the floor surface.

(3) Problems to be Solved by the Invention In order to shorten the expensive flat wiring and prevent the exposed portion of the connection with the round wiring from being exposed on the floor surface, for example, in a wiring duct or wiring pit provided on the floor, It is conceivable that the flat wiring connected to the mold wiring can be taken out from the wiring duct or wiring pit. At this time, it can be taken out either side of the wiring duct or wiring pit in the width direction, and the maintenance inspection is easy. Is desirable.

The present invention has been made in view of such circumstances,
For example, it is an object of the present invention to provide a flat wiring take-out tool which can take out a flat wiring from a wiring duct or a wiring pit on either side in the width direction thereof, and which facilitates maintenance and inspection.

B. Configuration of the Invention (1) Means for Solving the Problems A flat wire take-out tool according to the present invention has a rectangular opening having receiving portions projecting in directions approaching each other at lower side edges facing each other. A frame forming a part; a flat wiring passage opening is defined between both side edges of the opening, and the flat wiring can be held between the receiving portion and the opening to cover the opening;
A lid plate detachably coupled to the frame body.

(2) Action The flat wiring can be taken out from either of the two wire passage openings defined between the lid plate and the frame, and at this time, the flat wiring is sandwiched between the lid plate and the receiving portion. Therefore, when a pulling force acts on the flat plate wiring, it can be received by the holding portion. Further, since the opening is opened when the cover plate is removed, maintenance and inspection becomes easy.

(3) Embodiment Hereinafter, one embodiment of the present invention will be described with reference to the drawings. First, in FIG. 1 and FIG. 2, a converter 2 is fixedly housed in a wiring duct 1 buried in a floor. The flat wiring 4 connected to the round wiring 3 via the converter 2 is taken out from the flat wiring take-out tool 5.

The wiring duct 1 has a bottom plate 7 between the lower portions of the pair of left and right receiving frames 6.
The upper part of the duct main body 8 which is connected by means of and is connected in a substantially U-shaped cross section is detachably closed by a plurality of upper lids 9. A plurality of partition members 10 are fixedly provided on the bottom plate 7 at positions spaced from each other between the receiving frames 6, and the interior of the wiring duct 1 is sequentially arranged from one side to the other side in the width direction by these partition members 10. , The auxiliary line 11, the power supply line 12, and the signal line (not shown). Auxiliary line 11 is circular wiring for power line 3
The circular wiring 3 housed in the power supply line 12 extends through the partition wall member 10 and is drawn out to the auxiliary line 11 and fixed in the auxiliary line 11. It is connected to the arranged converter 2.

The upper lid 9 is divided into a plurality of pieces along the longitudinal direction of the duct body 8, and a certain upper lid 9 is provided with a mounting hole 13 for mounting the flat wiring take-out tool 5. This mounting hole 13
The portion corresponding to the auxiliary line 11 is formed to extend relatively long along the longitudinal direction of the duct body 8 and opens at the edge of the upper lid 9. Therefore, the open end of the mounting hole 13 is adjacent to the upper lid 9
Is blocked by.

The upper lid 9 is detachably fitted and fixed to the upper portion of the duct body 8 so that the upper lid 9 can be received by the receiving member 14 such as rubber fitted on the upper portion of the receiving frame 6. It is flush with surface 15. Further, a tile carpet 16 is laid on the floor surface 15 and each upper lid 9, and the flat wiring 4 taken out from the flat wiring extracting tool 5 is provided between the upper lid 9 and the floor surface 15 and the tile carpet 16. Is extended to a desired position.

The flat wire take-out tool 5 is fitted in the mounting hole 13 and fixed to the upper lid 9, and also has a frame body 18 that forms a rectangular opening 17.
And a lid 19 which is detachably coupled to the frame 18 so as to cover the opening 17, and a pair of through holes 22 and 23 are formed between the lid plate 19 and the frame 18.

In FIGS. 3, 4, and 5, the frame body 18 is formed in a substantially U shape by connecting one ends of parallel portions 24 and 25 which are parallel to each other with a connecting portion 26. Is formed by. The parallel portions 24, 25 and the connecting portion 26 form a rectangular opening 17 opened to the other end side, and at both side edge lower portions of the opening portion 17 facing each other, that is, the lower portions of the parallel portions 24, 25. Are integrally formed with receiving portions 27 and 28 extending in the directions in which they approach each other. Also, at the bottom of the connecting part 26, both receiving parts 27, 28
A receiving portion 29 connected to one end of the is integrally projected.

The connecting portion between the parallel portions 24, 25 and the receiving portions 27, 28 is curved and formed smoothly, and the tips of the receiving portions 27, 28 are also curved so as to be rounded.

Screw holes 32, 33 for connecting the lid plate 19 to the receiving portions 27, 28.
And a pair of screw holes 34, 35 for connecting the cover plate 19 are formed in the receiving portion 29.

Abutting flange portions 41 and 42, which come into contact with the lower surface of the peripheral edge portion of the mounting hole 13 in the upper lid 9 when the frame body 18 is fitted into the mounting hole 13, are outwardly provided on the lower portions of the outer surfaces of the parallel portions 24 and 25. The protrusions are projecting integrally with each other, and the upper surfaces of the corresponding brim portions 41, 42 are set at positions where the upper surface of the frame body 18 is flush with the upper lid 9 when abutting against the lower surface of the upper lid 9.

Each of the contact flanges 41, 42 has a screw member 43 penetrating the upper lid 9.
A plurality of screw holes 44 for screwing and tightening are respectively provided. Therefore, the frame body 18 has the abutment flange portions 41, 42 on the upper lid 9
The upper cover 9 is attached to the upper lid 9 by screwing the screw members 43 into the screw holes 44 from above the upper lid 9 while abutting the lower surface of the upper cover 9 and fitting the mounting holes 13.

With the frame body 18 attached to the upper lid 9, both contact flange portions 41, 42
Extends to a position corresponding to the partition member 10 and the receiving frame 6, and the tips 41 ′, 42 ′ of the contact flange portions 41, 42 are sandwiched between the partition member 10 and the receiving frame 6 and the upper lid 9. A step is added to reduce the wall thickness. By doing so, it is possible to prevent the upper lid 9 from bending downward above the partition member 10 and the receiving frame 6 due to the provision of the mounting hole 13 until it comes into contact with the partition member 10 and the receiving frame 6.

In FIGS. 6 and 7, the lid plate 19 is basically rectangular in shape, for example, made of synthetic resin, so as to be fitted into the opening 17 so as to be received by the receiving portions 27, 28, 29 of the frame body 18. Is formed. Four insertion holes 45 to 48 corresponding to the screw holes 32, 33, 34, and 35 of the frame body 18 are formed at both ends in the longitudinal direction of the lid plate 19, and the insertion holes 45 to 48 are inserted. By screwing the screw member 49 into each of the screw holes 32 to 35 and tightening the screw member 49, the cover plate 19 closes the opening 17 and is fixed to the frame body 18. In addition, each screw member 49
If is loosened, the lid plate 19 can be removed from the frame body 18 by opening the opening 17.

At the center of the lower surface of the cover plate 19, a projection having a semicircular cross section and extending along the longitudinal direction so as to be located between the receiving portions 27 and 28.
50 is integrally provided, whereby the strength of the cover plate 19 is improved.

Referring also to FIG. 8 together, intermediate portions on both sides of the lid plate 19 are cut out so as to have a semi-circular roundness, and when the lid plate 19 is joined to the frame body 18, Between the parallel portions 24, 25 and the cover plate 19, there are wire passage openings 22, 2 for taking out the flat wiring 4.
3 is formed so as to extend relatively long along the longitudinal direction of the parallel portions 24, 25.

Next, the operation of this embodiment will be described. When taking out the flat wiring 4 from the wiring duct 1, one of the left and right passage openings, for example, 22 is selected, and the flat wiring 4 is inserted through the passage opening 22. It is taken out and the cover plate 19 is fastened and fixed to the frame body 18. By doing so, the middle portion of the flat wiring 4 in the longitudinal direction is strongly sandwiched between the lid plate 19 and the receiving portion 27 over the entire width thereof, and even if a pulling force acts on the pulled flat wiring 4, the flat wiring 4 is pulled. The force will be received at the clamp and will not extend to the transducer 2.

Further, since the portions of the cover plate 19 and the receiving portion 27 that come into contact with the flat wiring 4 are curved, the flat wiring 4 is prevented from being damaged.

In the same manner as described above, the flat wiring 4 can be taken out from the other wire passage opening 23, and the flat wiring 4 can be taken out from either the left or right.

At the time of maintenance and inspection, the lid plate 19 may be removed, and the opening 17 can be opened for easy maintenance and inspection. Moreover, if the lid plate 19 is removed, the upper lid 9 can be removed in a state where the flat wiring 4 is connected to the converter 2 by shifting the upper lid 9 in the longitudinal direction thereof. Inspection becomes easy.

In the above embodiments, the case where the flat wiring take-out tool 5 is attached to the upper lid 9 of the wiring duct 1 has been described, but it is also possible to attach it to the upper lid of the wiring pit.

C. Effects of the Invention As described above, the flat wiring extraction tool according to the present invention includes a frame body that forms a rectangular opening having the receiving portions projecting in the directions approaching each other at lower side edges facing each other. A flat wiring passage opening is defined between both side edges of the opening, and a flat plate wiring can be sandwiched between the receiving portion and the receiving portion to cover the opening and be detachably coupled to the frame body. With a lid plate;
The flat wiring can be taken out in either the left or right direction and the maintenance and inspection is easy.

[Brief description of drawings]

The drawings show an embodiment of the present invention. FIG. 1 is a plan view of a wiring duct with a flat wiring extractor attached, excluding the tile carpet, and FIG. 2 is II-II of FIG. Line enlarged sectional view, FIG. 3 is an enlarged plan view of the frame body, and FIG. 4 is that of FIG.
IV-IV line sectional view, FIG. 5 is a VV line sectional view of FIG. 3, FIG. 6 is an enlarged plan view of the cover plate, FIG. 7 is an enlarged sectional view of VII-VII line of FIG. FIG. 8 is an enlarged sectional view taken along the line VIII-VIII in FIG. 17 …… Aperture, 18 …… Frame, 19 …… Cover plate, 22,23 …… Passage, 27,28 …… Receiving part

Claims (1)

[Claims] 1. A frame for forming a quadrangular opening, which has receiving portions projecting in directions approaching each other at lower side edges facing each other; for flat wiring between both side edges of the opening. A lid plate that defines the passage openings and allows the flat wiring to be sandwiched between the receiving portion and the receiving portion to cover the opening, and is detachably coupled to the frame body. Flat wire extraction tool.