JPH0793779B2 - 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 avoid the exposure on the floor of the connection with the round wiring, for example, in a wiring duct or wiring pit provided on the floor. It is conceivable that the flat wiring connected to the round wiring can be taken out from the wiring duct or wiring pit, and can be taken out again on either side in the width direction of the wiring duct or wiring pit, and maintenance is easy. Is desirable.

The present invention has been made in view of the above circumstances. For example, a flat wiring can be taken out from a wiring duct or a wiring pit on either side in the width direction thereof, and the maintenance and inspection is easy. The purpose is to provide equipment.

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; and a closing member that can be cut into a portion corresponding to the flat wiring and is fitted into each of the wire passage openings.

(2) Operation By cutting off a part of the closing member or removing the closing member, it is possible to take out the flat wiring from either of the two wire passage openings defined between the cover plate and the frame body. At this time, since the flat wiring is sandwiched between the cover plate and the receiving portion, it can be received by the sandwiching portion when a pulling force acts on the flat wiring. 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 is composed of a plurality of upper lids 9 detachably closing the upper portion of a duct body 8 in which the lower portions of a pair of left and right receiving frames 6 are connected by a bottom plate 7 and which are connected in a substantially U-shaped cross section. Bottom plate 7
Includes a plurality of partition members at positions spaced between the receiving frames 6.
10 are fixedly provided, and the partition member 10 divides the inside of the wiring duct 1 in order from one side to the other side in the width direction into an auxiliary line 11, a power source line 12, and a signal line not shown. To be done. The auxiliary line 11 is provided for connecting the round wire 3 for the power line, etc., and the round wire 3 housed in the power line 12 penetrates the partition wall member 10 and the auxiliary line 11 And is connected to the converter 2 fixedly arranged in the auxiliary line 11.

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. The mounting hole 13 is formed at a portion corresponding to the auxiliary line 11 and extends relatively long along the longitudinal direction of the duct body 8, and is opened at the edge of the upper lid 9. However, the open end of the mounting hole 13 is closed by the adjacent upper lid 9.

The upper lid 9 is detachably fitted and fixed to the upper portion of the duct body 8 so that it 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. Also, the floor surface 15 and each top lid 9
A tile carpet 16 is laid on the top, and the flat wiring 4 taken out from the flat wiring taking-out tool 5 has a top cover 9 and a floor surface.
It is extended between 15 and the tile carpet 16 to a desired position.

The flat wire take-out tool 5 is mixed with the mounting hole 13, fixed to the upper lid 9, and has a frame body 18 forming a square opening 17.
A lid plate 19 detachably coupled to the frame body 18 so as to cover the opening 17, and a pair of fitting holes 22 and 23 defined between the lid plate 19 and the frame body 18 that are fitted to each other. It is composed of closing members 20 and 21.

In FIGS. 3, 4, and 5, the frame body 18 is formed by connecting one ends of parallel portions 24 and 25, which are parallel to each other, with a connecting portion 26 and is substantially U
It is formed in a letter shape and is made of, for example, a synthetic resin. The parallel portions 24, 25 and the connecting portion 26 form a rectangular opening 17 opened to the other end side, and at the lower portions of both side edges of the opening 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. Further, a receiving portion 29 connected to one end of both receiving portions 27, 28 is integrally provided at the lower portion of the connecting portion 26 so as to integrally project. Further, the portions 27 ', 28' of the receiving portions 27, 28 are formed with a large protrusion amount so as to be closer to each other near the opening end of the opening 17.

The connecting portions of the parallel portions 24, 25 and the receiving portions 27, 28 are curved and formed smoothly, and the connecting portions have parallel portions 24, 2
Fitting grooves 30, 31 extending along the longitudinal direction of 5 are provided.
The tips of the receiving portions 27, 28; 27 ', 28' are also curved so as to be rounded.

Screw holes 32 for connecting the cover plate 19 to the receiving portions 27 ', 28',
33 is provided, and the receiving portion 29 is provided with a pair of screw holes 34, 35 for connecting the cover plate 19.

At the bottom of the outer surface of both parallel parts 24, 25 and the connecting part 26, a frame 18
Is fitted into the mounting hole 13, the mounting hole 13 in the upper lid 9
An abutment flange portion 36 that abuts the lower surface of the peripheral edge portion of the frame is projectingly provided so as to project outward, and the upper surface of the corresponding flange portion 36 is the upper surface of the frame body 18 when it abuts the lower surface of the upper lid 9. It is set at a position flush with the upper lid 9.

At one end, the middle and the other end along the longitudinal direction of the two parallel portions 24, 25, the mounting flange portions 37, 38; 39, 40; 41, which project in the contact flange portion 36 in directions away from each other. 42 are continuously provided integrally with each other with their upper surfaces flush with each other, and each mounting flange 37, 38; 39, 40; 41, 42
Are provided with screw holes 44 for screwing and tightening a screw member 43 penetrating the upper lid 9. Therefore the frame
Reference numeral 18 denotes a screw member 43 from above the upper lid 9 in a state in which the collar portion 36 and the mounting collar portions 37, 38; 39, 40; 41, 42 are brought into contact with the lower surface of the upper lid 9 and fitted into the mounting holes 13. Is attached to the upper lid 9 by screwing into the screw holes 44 and tightening.

With the frame 18 attached to the upper lid 9, the attachment flange portions 37, 39, 41 corresponding to the one parallel portion 24 extend to the positions corresponding to the partition member 10, and the partition member 10 and the upper lid 9 are connected to each other. The tips 37 ', 38', 41 'of the mounting flanges 37, 39, 41 are stepped so as to be sandwiched between them and the wall thickness is reduced. By doing so, the upper lid 9 is provided above the partition member 10 due to the provision of the mounting hole 13.
It is possible to prevent the downward bending of the partition until it contacts the partition member 10.

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. At both ends of the lid plate 19 in the longitudinal direction, screw holes of the frame body 18 are formed.
Four insertion holes 45 to 48 corresponding to 32, 33, 34, and 35 are provided, and the screw member 49 inserted into each insertion hole 45 to 48 is screwed into each screw hole 32 to 35 and tightened. Thus, the lid plate 19 closes the opening 17 and is fixed to the frame body 18. In addition, if the screw members 49 are loosened, the lid plate 19 is opened so that the opening 17 is opened.
Can be removed from 18.

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

Referring also to FIG. 8, the middle portions on both sides of the lid plate 19 are notched so as to have a semicircular roundness, and when the lid plate 19 is joined to the frame body 18, Both parallel parts 24, 25 and cover plate 1
Between 9 and 9, through holes 22 and 23 for taking out the flat wiring 4 are formed so as to extend relatively long along the longitudinal direction of the parallel portions 24 and 25.

The closing members 20 and 21 are made of a material such as synthetic resin that can be easily cut off, and are formed in a rod shape having a cross-sectional shape that can be fitted into the respective wire passage openings 22 and 23.
Projections 51 that can be fitted into the fitting grooves 30 and 31 of the frame 18 are integrally provided on the parts 20 and 21 along the longitudinal direction. Therefore, the respective closing members 20 and 21 are fitted into the wire passage openings 22 and 23 so that the projection 51 fits into the fitting grooves 30 and 31.

Next, the operation of this embodiment will be described. When taking out the flat wiring 4 from the wiring duct 1, either one of the left and right closing members, for example, 20 is removed according to the width of the flat wiring 4, or a part thereof is removed. Excise. In this way, all or part of the passage opening, for example 22, is opened. Then, the flat wiring 4 is taken out from the opening 22 for opening the lid plate 19 into a frame body.
Tighten and fix to 18. In this way, the middle portion of the flat wiring 4 in the longitudinal direction covers the cover plate 19 and the receiving portion 27 over its entire width.
It will be strongly pinched between the flat wires 4
Even if a pulling force is applied to, the pulling force is received by the sandwiching portion, and does not extend to the converter 2.

In addition, the part that does not participate in the removal of the flat wiring 4 has a through hole 22
Remains blocked, and dust is prevented from entering the wiring duct 4. 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 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, the lid plate
If 19 is removed, the upper lid 9 is displaced in the longitudinal direction thereof to leave the flat wiring 4 connected to the converter 2 and the upper lid 9 is removed.
It is possible to remove it, which facilitates maintenance and inspection of the wiring duct 1.

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 wire passage opening is defined between both side edges of the opening portion, and the flat wire can be held between the receiving portion and the receiving portion to cover the opening portion and to be attachable to and detachable from the frame body. Since the lid plate is connected to the flat plate member, and the flat member that can be cut into a portion corresponding to the flat wiring and is fitted to each of the wire passage openings is used, the flat wiring can be taken out in either the left or right direction. It is possible and maintenance is easy.

[Brief description of drawings]

The drawings show an embodiment of the present invention. FIG. 1 is a plan view of the wiring duct with a flat wiring take-out tool 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, and FIG. 4 is IV of FIG.
-IV line sectional view, FIG. 5 is a VV line sectional view of FIG. 3, FIG.
FIG. 7 is an enlarged plan view of the cover plate, FIG. 7 is an enlarged sectional view taken along line VII-VII of FIG. 6, and FIG. 8 is an enlarged sectional view taken along line VIII-VIII of FIG. 17 ... Opening, 18 ... Frame, 19 ... Lid plate, 20,21 ... Closing member, 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 held between the receiving portion and the receiving portion to cover the opening and is detachably coupled to the frame; a portion corresponding to the flat wiring And a closing member which is capable of being cut off and is fitted into each of the wire passage openings.