JPH079554Y2 - 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, etc., for wiring cables such as electric wires and signal lines, and for piping electric wires, gas pipes, etc. The present invention relates to a wiring / piping duct.

[0002]

2. Description of the Related Art In a conventional wiring / piping duct of this type, as shown in FIGS. 15 and 16, for example, a duct main body 2 for wiring a cable C and piping a pipe is made of a metal material. The channel member 3 and the lid body 4 are formed in a rectangular tube shape, and are suspended and arranged along a ceiling wall of a building by a plurality of suspending metal fittings 6.

When the wiring of the cable C and the piping of the pipe are carried out in the wiring / piping duct of this conventional structure, the nominal line is inserted from one end opening of the duct main body 2 and pulled out from the other end opening. After connecting the cable C and the pipe to the tip of the call line, the cable is pulled back into the duct main body 2 for wiring or piping by pulling back the call line.

[0004]

However, in this conventional wiring / piping duct, for example, when a plurality of cables C are laid in the duct body 2, the already laid cable C is the next cable. There is a problem that the wiring work cannot be performed smoothly because it interferes with the insertion of the caller wire during the wiring work of C.

The present invention has been made by paying attention to the problems existing in such a conventional technique, and the purpose thereof is to find a cable or pipe already wired or piped in the duct body. An object of the present invention is to provide a wiring / piping duct in which a retracting tool can be easily inserted into the duct body without being hindered and wiring and piping work can be efficiently performed.

[0006]

In order to achieve the above object, in the present invention, a "passage formed by a lid and a main body or integrally formed into a hollow cylindrical shape, in which a cable or a pipe is wired or piped A wiring / piping duct that has a section that is formed so that a slit that is continuous in the axial direction faces the inside of the passage, and that a pull-in tool that connects the cable, pipe, or nominal rope is inserted to draw the cable or pipe into the passage. "The duct for wiring and piping, which is characterized in that the inserted portion is continuously provided in the longitudinal direction."

[0007]

In the wiring / piping duct configured as described above, when a cable or a pipe is wired or laid in the duct body, for example, a pull-in including a shuttle 12 provided with a rope 13 shown in FIG. The tool is inserted into the insertion portion 9 from one end opening side of the duct body 2, and the retracting tool is moved along the insertion portion 9. Then, after connecting the cable C and the pipe to the shuttle 12 at the other end opening side of the duct main body 2, the rope 13 is pulled back to the one end opening side of the duct main body 2, and the cable C and the pipe are drawn into the duct main body 2. It can be wired or piped.

[0008] Further, the retractor is inserted into the insertion portion 9 from the one end opening side of the duct main body 2, the retractor is moved along the insertion portion 9, and is attached to the shuttle 12 at the other end opening side of the duct main body 2. When the nominal rope is connected, the nominal rope is inserted into the duct main body 2 by pulling the rope 13 back toward the opening on the one end side of the duct main body 2, and then the cable C and the pipe are connected to the nominal rope to connect the nominal rope. Can be pulled to pull the cable C or the pipe into the duct main body 2 for wiring or piping.

As described above, by inserting the retracting tool along the insertion portion provided on the inner peripheral wall of the duct body and reciprocating the same, even if a cable or a pipe is already wired or piped in the duct body, The cable or pipe can be easily wired or piped in the duct body without being hindered by the cable or pipe in the duct body.

[0010]

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

As shown in FIGS. 1 and 2, the duct main body 2 of the wiring / piping duct 1 is attachable to and detachable from a metal channel member 3 that opens downward and an opening on the lower surface of the channel member 3. It is formed in a rectangular tube shape with the lid body 4 attached to the channel member 3.
Are formed along the extension direction of the duct body 2. The hanging metal fitting 6 is composed of a hooking tool 7 that engages with the hanging groove 5 and an adjusting bolt 8. By using a plurality of the hanging metal fittings 6, the duct body 2 can be installed along the ceiling wall of a building or the like. Are arranged at a predetermined height position.

The substantially cylindrical insertion portion 9 is formed so as to project in the central portion of the inner surface of the top wall of the channel member 3, and is formed along the longitudinal direction of the duct body 2. The slit 10 is formed continuously in the lower end edge of the insertion portion 9 in the axial direction so as to face the passage portion in the duct body 2, and the insertion portion 9 is opened in the duct body 2 through the slit 10. is doing. The pair of engagement grooves 11 are formed on both sides of the outer circumference of the insertion portion 9 so as to extend along the extension direction of the duct body 2.
When connecting the duct main body 2 to another duct main body 2, a positioning pin or the like is fitted between the engagement grooves 11 of both duct main bodies 2 to align the insertion portion 9.

Then, as shown in FIGS. 3 and 4, when the cable C and the pipe are laid in the duct body 2,
A rope 13 having a predetermined rigidity and tensile strength, which is made of a steel wire, a rod-shaped body made of synthetic resin, or a twisted wire thereof.
A pulling tool that is connected to a lightweight shuttle 12 having a spindle-cylindrical shape is guided along the insertion portion 9.

Next, 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.

Now, 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 connected to the duct main body 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 the one end opening side of the duct main body 2, and the shuttle 12 is inserted. The lower end mounting portion 12a of the protrusion 12 is projected from the slit 10 into the passage portion in the duct body 2. In this state, the shuttle 12 is pushed into the other end opening side of the duct main body 2 via the rope 13, and the shuttle 12 and the rope 13 are inserted into the insertion portion 9 as shown in FIG. 7.

Thereafter, as shown in FIG. 7, the duct body 2
At the other end opening side, the cable C and the pipe are connected to the mounting portion 12a of the shuttle 12, and in this state, the rope 13 is pulled back to the one end opening side of the duct main body 2, and as shown in FIG. Is drawn into the duct body 2. Then, as shown in FIG. 9, when the shuttle 12 is pulled out toward the one end opening side of the duct main body 2, if the cable C or the pipe is disconnected from the shuttle 12, the wiring of the cable C into the duct main body 2 is performed. And the piping work for the pipe is completed.

As described above, in this embodiment, the retractor including the shuttle 12 provided with 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, Without being obstructed by the pipe, the lead-in tool can be inserted into the duct body 2 and the cables C and the like can be easily wired in order. Therefore, the wiring of the cable C and the pipe and the piping work can be performed smoothly and efficiently.

10 to 14 show another embodiment of the present invention, and in the embodiment shown in FIG. 10, the duct body 2
Is formed in a square tube shape by a channel member 3 opened upward and a lid 4 detachably attached to an open upper surface of the channel member 3, and an insertion portion 9 is formed on the inner surface of the lid 4. It is formed so as to project in the central portion. Also, FIG.
In the embodiment shown in FIG. 2, the duct body 2 having a rectangular tubular shape is integrally formed by extrusion molding or the like, and the insertion portion 9 has the duct body 2
Formed on the outer surface of the top wall of the
Open into the duct body 1 through the slit 10.

Then, in the embodiment shown in FIG.
The duct body 2 having a rectangular tubular shape is integrally formed by extrusion molding or the like, and the insertion portion 9 is formed so as to project on the inner surface of the top wall of the duct body 2. Further, in the embodiment shown in FIG. 13, the rectangular tube-shaped duct main body 2 is integrally formed by extrusion molding or the like, and two insertion portions 9 are formed so as to protrude from the inner surface of the top wall of the duct main body 2 at a predetermined interval. Has been done. Furthermore, FIG.
In the embodiment shown in (1), the duct body 2 is formed in a square tube shape by the channel member 3 opened upward and the lid body 4 detachably attached to the open upper surface of the channel member 3, Two insertion portions 9 are formed on both outer surfaces of the channel member 3 so as to project.

[0020]

Since the present invention is configured as described above, even when a plurality of cables or pipes are wired or piped in the duct body, the cables or pipes already wired or piped in the duct body Without being obstructed by the pipe, the pull-in tool can be easily inserted by the insertion portion provided in the passage portion in the duct main body, so that the cable and pipe wiring and the piping work can be efficiently performed. It has an excellent effect.

[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 an enlarged front view of the duct shown in FIG.

FIG. 3 is a partially cutaway perspective view showing a state in which a cable is routed in a duct.

FIG. 4 is an enlarged front view showing a state in which a retractor is inserted into an insertion portion of a duct.

FIG. 5 is a partial cross-sectional view showing a work process of wiring a cable in a duct.

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

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

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

FIG. 9 is a partial cross-sectional view showing a work process of wiring a cable in a duct.

FIG. 10 is a side view showing another embodiment of the wiring / piping duct of the present invention.

FIG. 11 is a side view showing another embodiment of the wiring / piping duct of the present invention.

FIG. 12 is a side view showing another embodiment of the wiring / piping duct of the present invention.

FIG. 13 is a side view showing another embodiment of the wiring / piping duct of the present invention.

FIG. 14 is a side view showing another embodiment of the wiring / piping duct of the present invention.

FIG. 15 is a partial perspective view showing a conventional wiring / piping duct.

16 is an enlarged side view of the duct shown in FIG.

[Explanation of symbols]

 1 Wiring / Piping Duct 2 Duct Body 9 Insertion Portion 10 Slit 13 Rope C Cable

Claims (1)

[Scope of utility model registration request] 1. A wiring / piping duct, which is formed integrally or integrally with a lid and a main body into a hollow cylindrical shape and has a passage portion through which a cable or a pipe is wired or laid, the slit being axially continuous. Is formed so as to face the inside of the passage portion, and an insertion portion through which a pulling tool for connecting the cable, the pipe, or the call rope for inserting the cable or the pipe to the passage portion is inserted is provided continuously in the longitudinal direction. Wiring / piping duct.