JPH079555Y2 - Wiring / Piping duct - Google Patents

Description

[Detailed description of the device]

[0001]

[Industrial application] This invention is arranged along a ceiling wall of a building, for wiring cables such as electric wires and signal lines, and for piping electric wires and gas pipes. The present invention mainly relates to a wiring / pipe duct suitable for cable wiring and pipe piping in a double ceiling.

[0002]

2. Description of the Related Art Conventionally, as a wiring / piping duct arranged along a ceiling wall of a building, for example, as shown in FIG. 12, a duct body 22 includes a channel member 23 made of a metal material and a lid. A wiring / piping duct 21 is known which is formed in a rectangular tube shape by a body 24 and is hung and arranged along a ceiling wall or the like of a building by a plurality of hanging metal fittings 6.

In the case of the wiring / piping duct 21 of this conventional structure, when wiring the cable C or piping a pipe, the nominal line is inserted from one end opening of the duct main body 22 and pulled out from the other end opening. After the cable C and the pipe are connected to the tip of the call line, the call line is pulled back to pull the cable C and the pipe into the passage of the duct main body 22 for wiring or piping.

[0004]

However, in this conventional wiring / piping duct, for example, when a plurality of cables C are laid in the duct body 22, they are already laid in the passage of the duct body 22. There is a problem in that the cable C interferes with the insertion of the nominal line during the wiring work of the next cable C, and the wiring work cannot be performed smoothly.

The present invention has been made by paying attention to the problems existing in such a conventional technique, without being obstructed by the cables or pipes already wired or piped in the passage of the duct body. , It is an object of the present invention to provide a wiring / pipe duct capable of efficiently performing new cable / pipe wiring and piping work.

Further, the present invention is a wiring / wiring which is arranged in a double ceiling and which can easily pull in a cable or the like to a lighting fixture or the like mounted on the ceiling or pull out the cable or the like from the middle of a duct. It is intended to provide a duct for piping.

[0007]

In order to achieve the above object, in the present invention, "a wiring / piping duct having a hollow passage portion in which a cable or a pipe is wired or piped, the passage portion A slit that is continuous in the axial direction is provided in the upper or side direction so as to face the inside of the passage part, and the insertion part through which a pulling tool that connects the cable, the pipe or the nominal rope is inserted to draw the cable or pipe into the passage part is long. The wiring / piping duct "is characterized in that it is formed continuously in the direction, and that openings at which human hands and cables or tubes can be inserted are formed at predetermined intervals below or at the side of the passage. It is a summary.

[0008]

In the wiring / piping duct constructed as described above, when a cable or pipe is to be wired or laid, for example, a pulling tool consisting of the shuttle 12 provided with the rope 13 shown in FIG. One end of 2 is inserted into the insertion portion 9 from the opening side, and the retractor is moved along the insertion portion 9. And
After connecting the cable C and the pipe to the shuttle 12 at the other end opening side of the passage part 2, the rope 13 is pulled back to the one end opening side of the passage part 2 and the cable C and the pipe are drawn into the passage part 2 for wiring. Or it can be plumbed.

If a shuttle rope is connected to the shuttle 12 at the opening of the other end of the passage portion 2, the rope 1
3 is pulled back to the opening portion side of the passage portion 2 so that the call wire is inserted into the passage portion 2, and then the cable C or the pipe is connected to the call rope, and the call rope is pulled to pull the cable C into the passage portion 2. It is possible to draw wires or pipes for wiring or piping.

As described above, by inserting the retracting tool along the insertion portion 9 provided on the inner peripheral wall of the passage portion 2 and reciprocating it, the cable C or the pipe is already wired or piped in the passage portion 2. However, the cable C and the like in the passage portion 2 can be easily wired and piped in the passage portion 2 without being hindered by the cable C and the pipe.

When the cable is pulled into a lighting fixture or the like mounted on the ceiling, as shown in FIG. 9, the passage portion 2 is formed from an arbitrary position of the openings 4 formed below the passage portion 2 at predetermined intervals. The cable C wired inside can be pulled out to perform wiring to the lighting fixture G.

Further, as shown in FIG. 11, the opening 4 allows the cable C or the like to be drawn out from the side opening 4 to be wired in another passage 2 or in the ceiling. Thereby, the wiring of the cable C and the piping of the pipe to the inside and outside of the passage portion 2 can be efficiently performed as necessary.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a wiring / piping duct embodying the present invention will be described below in detail with reference to FIGS.

As shown in FIGS. 1 to 3, the passage portion 2 of the wiring / piping duct 1 is formed in a rectangular tube shape so that a cable or a pipe can be wired or laid inside. The passage portion 2 of the wiring / piping duct 1 shown in FIG. 1 is composed of a metal main body 2a that opens downward, and a plurality of erection members 2b that are laid in a ladder shape on the lower open portion of the main body 2a. It is formed in a rectangular tube shape, the upper surface of the erection member 2b constitutes a mounting portion 3 for mounting a cable or a pipe, and an opening 4 is formed between the erection members 2b. In addition, the wiring shown in FIG.
The passage portion 2 of the duct 1 for piping is formed in a square tubular shape by a metal main body 2a that opens upward and a lid member 2c that is detachably attached to the upper open portion of the main body 2a. A lower surface of the main body 2a constitutes a mounting portion 3 for mounting a cable or a tube, and an opening 4 is formed on the lower surface of the main body 2a. The wiring / piping duct 1 shown in FIG. 3 has openings 4 formed below and laterally of the main body 2a.

Locking grooves 5 are formed in the upper ends of both sides of the main body 2a along the longitudinal direction of the passage portion 2. The hanging metal fitting 6 is composed of a hook 7 that engages with the hanging groove 5 and an adjusting bolt 8. By using a plurality of the hanging metal fittings 6, the passage portion 2 can be formed along the ceiling wall of a building or the like. Are arranged at a predetermined height position.

The insertion portion 9 is formed in a substantially cylindrical shape so as to protrude from the center of the inner surface of the main body 2a of the passage portion 2 or the lid member 2c, and extends along the longitudinal direction of the passage portion 2. The slit 10 is formed continuously on the lower end edge of the insertion portion 9 in the axial direction, and the insertion portion 9 is opened in the passage portion 2 through the slit 10. The pair of engaging grooves 11 are formed on both sides of the outer periphery of the insertion portion 9 so as to extend along the longitudinal direction of the passage portion 2, and when the passage portion 2 is connected to another passage portion 2, both passage portions 2 are formed. A positioning pin or the like is fitted between the engaging grooves 11 to align the insertion portion 9. The insertion portion 9 is preferably made of a metal material such as aluminum that is soft and less likely to be brittlely broken so that the slit 10 can be easily spread at any position.

As shown in FIG. 4, when the cable C and the pipe are laid in the passage portion 2, a predetermined wire made of a steel wire, a synthetic resin rod, or a twisted wire thereof is used. A pulling tool, in which a rope 13 having rigidity and tensile strength is connected to a lightweight shuttle 12 having a spindle columnar shape, is guided along the insertion portion 9.

In this invention, the shape of the passage portion 2 and the insertion portion 9 is not limited to the rectangular or circular shape. Further, in this invention, the insertion portion 9 formed along the passage portion 2 may be provided on the side other than the case where it is provided above the passage portion 2 as in the embodiment, The number may be plural.

Next, an example of a work procedure for wiring the cable C and piping the pipe in the wiring / piping duct 1 configured as described above will be described with reference to FIGS.

As shown in FIG. 5, the wiring / piping duct 1 is suspended by a plurality of suspending metal fittings 6 along a ceiling wall of a building or the like, and a cable is provided in the passage portion 2. When the wiring of C or the piping of the pipe is performed, first, as shown in FIG. 6, the shuttle 12 to which the rope 13 is connected is inserted into the insertion portion 9 from one end opening side of the passage portion 2 and the shuttle 12 is inserted. The lower end mounting portion 12 a of the protrusion 12 is projected from the slit 10 into the passage portion 2. In this state, the shuttle 12 is pushed toward the other end opening side of the passage portion 2 via the rope 13 to insert the shuttle 12 and the rope 13 into the insertion portion 9.

Thereafter, as shown in FIG. 7, the cable C and the pipe are connected to the mounting portion 12a of the shuttle 12 at the other end opening side of the passage portion 2, and the rope 13 is connected to the passage portion 2 in this state.
One end of the cable is pulled back toward the opening side, and as shown in FIG.
It is drawn into the passage portion 2 of the piping duct 1.

When wiring to the luminaire G mounted on the ceiling 14, the cable C or the pipe is disconnected from the shuttle 12 and is provided at a predetermined interval below the passage 2 as shown in FIG. The cable C is pulled out from an arbitrary position of the formed opening portion 4, and wiring to the lighting fixture G mounted on the ceiling 14 is performed.

As described above, in this embodiment, the retractor including the shuttle 12 having the rope 13 is guided along the insertion portion 9 provided on the inner surface of the top wall of the duct body 2. Therefore, even when the cable C or the pipe is already inserted in the duct body 2 during the work of wiring or piping the plurality of cables C or the pipe in the duct body 2, The rope 13, the cable C, and the like can be sequentially and easily inserted into the duct body 2 without being hindered by the pipe. Therefore, the wiring of the cable C and the pipe and the piping work can be performed smoothly and efficiently.

The wiring work shown in FIGS.
4 shows the case where the cable C is laid after being installed, but the wiring work is performed even before the ceiling 14 is installed.
Of course it can be done. In this case, the end of the cable C wired at the position where the lighting fixture G is attached may be pulled out from the opening 4 in advance.

When it is desired to carry out the wiring of the cable C or the piping of the pipe up to the middle of the passage portion 2, if the insertion portion 9 is made of a metal material such as aluminum which is soft and is not easily brittlely broken, FIG. As shown in FIG. 5, insert the pulling tool from the opening 4 at the position where the cable C or the tube is desired to be pulled in, push the slit 10 of the insertion portion 9 open with pliers or the like, and insert the pulling tool into the insertion portion 9 from here. Insert the retractor into the insertion part 9
By reciprocating inside, the wiring of the cable C into the passage portion 2 and the piping of the pipe can be efficiently performed as necessary. Further, as shown in FIG. 11, the cable C and the pipe are routed from the middle of the passage 2 to another passage 2 or the ceiling.
When piping is desired, the cable C or the pipe can be drawn out from the opening 4 provided on the side of the passage portion 2 for wiring / piping.

[0026]

Since the present invention is configured as described above, even when a plurality of cables or pipes are wired or piped in the passage, the cables or pipes already wired or piped in the passage can be used. It is possible to efficiently perform the wiring and piping work of the cable and the pipe by inserting and retracting the retractor into the insertion portion of the passage portion and reciprocating without being hindered by the pipe. Also, when installed in the double ceiling,
This has an excellent effect that a cable or the like can be easily pulled into a lighting device or the like attached to the ceiling. Furthermore, the opening or the like provided below or on the side of the passage portion allows wiring / piping of the cable or the like up to the middle of the passage portion and lead-out wiring or piping of the cable or the like from the middle of the passage portion.

[Brief description of drawings]

FIG. 1 is a partial perspective view showing an embodiment of a wiring / piping duct embodying the present invention.

FIG. 2 is a partial perspective view showing another embodiment of a wiring / piping duct embodying the present invention.

FIG. 3 is a partial perspective view showing another embodiment of a wiring / pipe duct embodying the present invention.

FIG. 4 is a partially cutaway perspective view showing a state in which a cable is wired in the passage portion of the wiring / piping duct shown in FIG.

5A and 5B are partial cross-sectional views sequentially showing a work process of wiring a cable in a passage portion.

FIG. 6 is a partial cross-sectional view sequentially showing a work process of wiring a cable in a passage portion.

FIG. 7 is a partial cross-sectional view sequentially showing a work process of wiring a cable in a passage portion.

FIG. 8 is a partial cross-sectional view sequentially showing a work process of wiring a cable in a passage portion.

FIG. 9 is a partial cross-sectional view showing a wiring state to a lighting fixture.

FIG. 10 is a partial cross-sectional view showing a work process of wiring a cable in the middle of a passage portion.

FIG. 11 is a partial cross-sectional view showing a work process of wiring a cable in the middle of a passage portion.

FIG. 12 is a partial perspective view showing a conventional wiring / piping duct.

[Explanation of symbols]

 1 Wiring / Piping Duct 2 Passage 4 Opening 9 Insert 10 Slit 13 Rope C Cable

Claims (1)

[Scope of utility model registration request] 1. A wiring / piping duct having a hollow passage portion in which a cable or a pipe is wired or piped, wherein an axially continuous slit faces the inside of the passage portion above or to the side of the passage portion. Is provided at the same time, and an insertion part through which a pulling tool for connecting a cable, a pipe, or a call rope for inserting a cable or a pipe into the passage is inserted is formed continuously in the longitudinal direction. A wiring / piping duct, characterized in that openings for inserting hands and cables or tubes are formed at predetermined intervals.