JPH081527Y2 - Cable with branch - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable with a branch that facilitates connection between a vertical trunk line and a horizontal wiring for each floor.

[0002]

2. Description of the Related Art Generally, in a large-scale high-rise building such as an apartment house or a hotel, a horizontal trunk line for each floor is connected to a vertical trunk line of a telephone or a computer as shown in FIG. A branch line cable 3 incorporating a ground wire is connected for each floor from the vertical trunk line 1 in which 50 to 100 wire cores 1a are bundled, and this is connected to the horizontal wiring for each floor.

As shown in FIG. 6, the branch cable 3
Is, for example, six cores 1a of the cores 1a of the vertical trunk line 1.
The six wire cores 3a to 3f, which are respectively connected to each other, are bundled and sequentially covered with the transparent polyester tape 5 and the aluminum tape 7, and the drain wire in the vertical trunk line 1 is provided between the aluminum tape 7 and the polyester tape 5. One drain wire 9 connected by soldering to the above is interposed, and these are covered with a jacket 11.

In order to connect the branch cable 3 to the horizontal wiring, as shown in FIG. 7, the cores 3a to 3f of the branch cable 3 are connected to the corresponding cores 13a to 13a of the cable 13 on the device side. A procedure is adopted in which every 13f is connected and these are insulated with the insulating tape 15, and the drain wires 9 and 17 are connected to each other. In FIG. 5, reference numeral 19 is a vinyl mold, 21 is a messenger wire, 23 is a protective layer, and in FIG. 7, reference numeral 25 is a press-wrap tape, and 27 is a connecting portion between the branch cable 3 and the cable 13. It is a polyester tape.

[0005]

However, when connecting the branch cable 3 to the cable 13 on the device side, the cores 3a to 3f of the branch cable 3 and the drain wire 9 are connected to the cable 13 on the side of the cable 13 as described above. The work of connecting one to each of 13a to 13f and the drain wire 17 is troublesome, and improvement in workability has been desired.

The present invention has been devised in view of such circumstances, and an object thereof is to provide a cable with a branch that facilitates connection between a vertical trunk line and a horizontal wiring for each floor.

[0007]

In order to achieve such an object, the branch cable according to the present invention is a vertical trunk line for telephones and computer wiring arranged in a large-scale high-rise building and a horizontal wiring for each floor. and are of use in connection, a plurality of polyester tape bundled Sensing connecting a plurality of lines mind and each in the vertical trunk, with sequentially coated with Arumite flop,
And interposed drain wire connected with a drain wire in the longitudinal trunk between the polyester tape and Arumite flop, these At a branch line cable formed by covering with the envelope, the leading end of the each line center, respectively While connecting to the modular jack, connect the drain wire to the ground wire with a fitting with a fitting at one end, and extend the fitting side of the ground wire with the fitting to the outside by inserting the jacket. It will be done.

[0008]

[Operation] To connect a vertical trunk line to a horizontal wiring for each floor using the branch cable according to the present invention, at the tip of the cable on the side of the horizontal wiring to be connected to the branch cable, Also attached a modular jack, and
A grounding wire having a connecting tool attached to one end of the grounding wire with a connecting tool is attached to one end of the drain wire in the same manner as the branching cable of the present invention, and is extended to the outside of the cable.

Then, the modular jack on the branch cable side and the modular jack on the lateral pulling wire side are inserted into the modular connectors, respectively, so that the core of the branch cable and the core of the cable can be quickly inserted. Will be connected. Further, the connection of the ground wires can be quickly performed by connecting the connecting tools for both the ground wires.

[0010]

Embodiments of the present invention will be described in detail below with reference to the drawings. The same components as those in the conventional example are denoted by the same reference numerals. In FIG. 1, reference numeral 29 is a branch cable according to an embodiment of the present invention.
As shown in FIG. 2, 6 of the cores 1a of the vertical trunk line 1 are
The six wire cores 3a to 3f, which are respectively connected to the wire core 1a, are bundled and sequentially covered with a transparent polyester tape 5 and an aluminum tape 7, and a vertical line is formed between the aluminum tape 7 and the polyester tape 5. One drain wire 9 connected to the drain wire in the main line 1 by soldering is interposed and these are covered with an outer cover 11. Like the conventional case, each floor is connected to the vertical main line 1. ing.

As shown in FIG. 1, a well-known modular jack 31 is attached to the tip of the branch cable 29 according to this embodiment in the same procedure as the conventional one.
That is, although not shown, the jacket 11 and the polyester tape 7
The modular jacks 31 are attached to the respective cores 3a to 3f by inserting the tips of the respective cores 3a to 3f, from which the strips have been removed, into the modular jack 31 and pressing the upper portion of the modular jack 31 with ordinary pliers to crimp the cores 3a to 3f. ing.

Further, the drain wire 9 is provided with a ground wire with a socket (hereinafter referred to as "ground wire") 35 having a socket 33 attached at one end in the vicinity of a mounting portion of the modular jack 31 and the cable with branch 29. They are connected by soldering, and the ground wire 35 is inserted through the aluminum tape 7 and the jacket 11 and the socket side thereof is extended to the outside of the branch cable 29.

Since the branch cable 29 according to the present embodiment is constructed in this way, the normal trunk cable 1 and the branch cable 29 are used to connect the vertical trunk line 1 to the horizontal wiring for each floor. In order to carry out the above, as shown in FIGS. 3 and 4, the cable 13 on the device side connected to the above-mentioned cable 29 with branch also includes the cores 3a to 3a of the cable 29 with branch.
The cores 13a to 13f corresponding to 3f are attached to the modular jack 31, and the ground wire 39 with a plug having a plug 37 attached to one end thereof is connected to the cable 29 with the branch.
Similarly to the above, the ground wire on the plug side is extended to the outside of the cable 13 by connecting to the drain wire 17.

The modular jacks 31 on the branch cable 29 side and the modular jack 31 on the device side cable 13 are inserted into the modular connectors 41, respectively, so that the wire cores 3a to 3f of the branch cable 29 are inserted.
And the cores 13a to 13f of the cable 13 are quickly connected. Further, by connecting the sockets 33 and the plugs 37 of both ground wires 35 and 39, the ground wires 35 and 39 can be connected quickly.

As described above, according to the cable with branch 29 of the present embodiment, when connecting the branch cable 3 and the cable 13 on the device side as shown in FIG. 7, the cores 3a to 3f of the branch cable 3 and The troublesome work of connecting the drain wire 9 to the wire cores 13a to 13f on the cable 13 side and the drain wire 17 one by one becomes unnecessary, and the connection with the cable 13 becomes possible with one touch, and the workability is dramatically improved. At the same time, repairs and reconnections have become easier and maintainability has improved.

Furthermore, according to this embodiment, the ground wire 3 is used.
By using 5 as the lead wire, there is an advantage that it is possible to easily confirm the disconnection of any of the wire cores 13a to 13f of the cable 13.

[0017]

As described above, the cable with branch according to the present invention is used for connecting the vertical trunk lines of telephones and computer wiring arranged in a large-scale high-rise building and the horizontal wiring of each floor. , a plurality of polyester tape bundled Sensing connecting a plurality of lines mind and each in the vertical trunk, with sequentially coated with aluminum <br/> tape, the between the polyester tape and Arumite flop In a branch line cable formed by interposing a drain wire connected to a drain wire in a vertical trunk line and covering these with an outer sheath, the tip of each of the above wire cores is
Each of them is connected to a modular jack, and to the drain wire, a grounding wire with a connecting tool having a connecting tool attached to one end is connected, and a connecting tool side of the grounding wire with the connecting tool is connected,
According to the cable with a branch of the present invention, each core or drain wire of the branch cable is connected to the core or drain wire on the side of the horizontal wiring, because the cable is inserted through the jacket and extends outward. The troublesome work of connecting to a book is no longer necessary, and it is possible to connect with the horizontal wiring with one touch, which dramatically improves workability and facilitates repairs and reconnections, which also improves maintainability. It became a thing.

Further, according to the present invention, by using the above-mentioned ground wire with a connector as a lead wire, it is possible to easily confirm any disconnection of each wire core of the horizontal wiring.

[Brief description of drawings]

FIG. 1 is a side view of a tip end side of a cable with branch according to the present invention.

FIG. 2 is a cross-sectional view of the branch cable along line II-II in FIG.

FIG. 3 is a side view of a connecting portion between a branch cable and a device-side cable.

FIG. 4 is a perspective view showing a state in which a vertical trunk line and a horizontal wiring are connected using the branch cable according to the present invention.

FIG. 5 is a side view of a connecting portion between a vertical trunk line and a branch cable.

6 is a cross-sectional view taken along line VV of FIG.

FIG. 7 is a cross-sectional view of a connection portion between a conventional branch line cable and a horizontal wiring.

[Explanation of symbols]

 3a, 3b, 3c, 3d, 3e, 3f Wire core 5 Polyester tape 7 Aluminum tape 9 Drain wire 11 Outer jacket 29 Branched cable 31 Modular jack 33 Socket 35 Ground wire

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Masaharu Hirano Inventor Takenaka Corporation Nagoya Branch, 1-18-22 Nishiki, Naka-ku, Nagoya-shi, Aichi (72) Inventor Toshiyuki Kitabatake Nishiki, Naka-shi, Aichi 1-chome 18-22 Incorporated company Takenaka Corporation Nagoya Branch (72) Inventor Satoshi Miura 6-19 Tamachi, Kariya City, Aichi Prefecture Toenec Corporation Kariya Sales Office (72) Inventor Makoto Shibayama Showa-ku, Nagoya City, Aichi Prefecture Yamate Dori 3-21 Yazaki Sogyo Co., Ltd. Nagoya Branch Electric Wire Division (56) Reference JP-A-4-237979 (JP, A) Actually opened 55-146614 (JP, U) Actually opened 60-6016 (JP, U) ) Actual development Sho 62-193624 (JP, U)

Claims (1)

[Scope of utility model registration request] 1. Used for connection between a vertical trunk line of telephone or computer wiring arranged in a large-scale high-rise building and a horizontal wiring of each floor, and is connected to each of a plurality of cores in the vertical trunk line. polyester tape by bundling a plurality of Sensing, with sequentially coated with Arumite flop, and interposed drain wire connected with a drain wire in the longitudinal trunk between the polyester tape and Arumite flop, they at the outer In a branched wire cable formed by covering, the tip of each of the wire cores is connected to a modular jack, and the drain wire is connected to a grounding wire with a connecting tool having a connecting tool attached to one end thereof. A cable with a branch characterized in that the connecting tool side of the attached ground wire is extended outward by inserting a jacket.