JP3005061B2 - Connection device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connecting device used for wiring indoors of an apartment or the like.

[0002]

2. Description of the Related Art In a condominium or the like, a layout pattern is often determined, and therefore, an installation position of a wiring device such as an outlet and a switch is generally determined. Therefore,
Conventionally, a wiring cable is cut into a predetermined length in advance at a factory or the like according to the installation position of the wiring equipment, and the connection of the wiring cables is performed in advance at the factory, and the connection of the wiring cable to the wiring equipment is performed at the site. Just had to do. The connection of the above-mentioned wiring cables at the factory as described above is called a branch cable, and this branch cable 20 is provided with a hook 20b on the upper surface of a joint 20a for connecting the wiring cable 4, as shown in FIG. The hook 20b is hooked on the ceiling to perform on-site wiring.

[0003]

However, in the above-mentioned conventional indoor wiring method, the core of the wiring cable 4 whose coating has been peeled off by stepping or the like is inserted into an insertion hole formed in the wiring equipment. However, there is a problem that it takes time to perform indoor wiring work, and this has been a major problem in the current situation where electricians are short in recent years.

[0004] Further, the branch cable 20 has a problem that it is not easy to cope with a case where wiring equipment is different due to a difference in layout of a room or the like. The present invention has been made in view of the above points, and an object of the present invention is to provide an indoor wiring method which is easy to work and can easily cope with a case where wiring devices to be installed are different. .

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention comprises a plurality of blocks according to the type of wiring device or the method of use, and the blocks are detachably connected together with a power cable. And a plurality of second connecting portions for connecting the wiring cable to the connector , wherein the second connecting portion is connected to the wiring cable.
Cable harness connector
Consisting of a harness plug with a receiving part
The ridge that fits into the ridge formed on the peripheral surface of the
Formed on the inner surface and the type and usage of wiring equipment
Projection at the position corresponding to the concave streak whose formation position differs depending on etc.
Are formed .

Further, in order to standardize the zonal pull box, each of the blocks may be formed into a module having a fixed size.

[0007]

The present invention has the above-described structure,
Power cables and wiring cables can be connected by connectors, facilitating wiring work, and indoor wiring is made up of a plurality of blocks according to the type or use of wiring equipment. by replacing the blocks according to the state so as to perform wiring in accordance with the house wiring, also it can easily cope with the case where wiring accessories to be installed for such floor plan of a room are different are different, are
Further, the second connecting portion is connected to a harness provided on the distribution cable.
A receiving portion into which the insertion portion of the nesting connector is inserted.
With a harness plug
The ridge that fits into the ridge is formed on the inner surface of the
Depressions with different forming positions depending on the type of wire device and method of use
Form a ridge at the position corresponding to the ridge, type, usage, etc.
Harness connector of different wiring equipment to the second connection part
Even when trying to connect, the ridge of the receiving part fits into the concave part of the insertion part
Wiring equipment with different types, usage, etc.
Is prevented from being erroneously connected to the second connection unit .

[0008]

In this embodiment, a zonal pull box 1 into which a power cable 3 from a distribution board 2 and a plurality of wiring cables 4 connected to a wiring device 5 are drawn is installed in an indoor space as shown in FIG. Provided for each zone. As shown in FIG. 2, the zonal pull box 1 has a box shape with an open front surface, is embedded in a wall surface, and is constructed so that the open front surface is closed by a cover 6. The power cable 3 and the wiring cable 4 are drawn in from the introduction hole 7 formed in the side surface (other surface may be provided) of the zonal pull box 1. A connection device 8 for appropriately connecting the power cable 3 and the distribution cable 4 is housed in the zonal pull box 1.

The connection device 8 is formed by combining a plurality of blocks 9 as shown in FIG.
Is formed into a constant convex shape with a substantially convex shape to make a module,
The zone pull box 1 can be standardized.
Each block 9 forms a connecting portion 11 (having the same structure as the harness connector) for connecting the wiring cable 4 or the like on the upper surface of the protruding portion. Connecting parts 10a and 10b to be connected
(The same structure as the harness connector and the harness plug) is formed (the connection portion 10a shown in FIG. 1 shows a harness plug shape, and the connection portion 10b in the harness connector shape shown in FIG. 5). The power cable 3 is connected to the connecting portion 10a on the side surface of the block 9 which is the end when the blocks 9 are combined. In addition, a harness connector 12 connected to the connection portion 10a is attached to the end of the power cable 3. Each block 9 is formed independently of the one forming the outlet circuit and the one forming the switch circuit, and the switch circuits are further formed in various types according to the usage.
One example is shown in FIGS.

FIG. 6 shows an outlet block 9a. The outlet block 9a has four connecting portions 11, and two sets of connecting portions 11 arranged side by side are formed of connecting portions 10a and 10b formed on both side surfaces. Each of the connection portions 11 is connected in series between the terminals, and the upper and lower sets of connection portions 11 are connected in parallel, and a harness plug 13 attached to the end of the wiring cable 4 connected to the outlet 5a is connected to each connection portion 11. They are connected.

The switch block 9b shown in FIG. 7 also has four connection portions 11, and each of the two connection portions 1 arranged in a vertical direction.
One is connected to the harness plug 13 attached to the tip of the wiring cable 4 connected to the switch 5b, and the other is connected to the harness plug 13 attached to the tip of the wiring cable 4 connected to the load L. When the switch 5b and the load L are connected (note that the load L is not directly connected to the connection device 8 but is shown in this way to make the circuit configuration of the switch circuit 9b easy to understand), the switch 5b and the load L Are connected in series between the lines to which are supplied.

The switch block 9c shown in FIG. 8 has three connection parts 11, and connects the switch 5c to two connection parts 11 arranged in parallel in a horizontal direction, and the load L is connected to another connection part 11.
Are connected to form a three-way switch. Further, a switch block 9d shown in FIG.
Is provided with two connecting portions 11, and the upper connecting portion 11 in FIG.
A firefly switch 5d is connected, and a load L is connected to the lower side. This is used to turn on a firefly lamp incorporated in the switch 5d when the switch 5d is turned off.

When formed in such a block 9,
Depending on the wiring equipment 5 installed in the zone, the necessary blocks 9 can be appropriately connected by the connecting portions 10a and 10b to perform indoor wiring. For this reason, it is possible to easily cope with a case where the wiring equipments 5 to be installed are different due to different room layouts. By the way, in the connection device 8 to which the plurality of blocks 9 are connected as described above, if all the connection portions 11 are formed in the same manner, there is a possibility that the wiring device 5 may be connected to the wrong connection portion 11. Therefore, in this embodiment, in consideration of compatibility at the time of forming a circuit, defective units are prevented from being erroneously connected.

For example, the outlet block 9a and the switch blocks 9b to 9d are not compatible with each other.
Therefore, as shown in FIGS. 10 to 13, a ridge 14 is formed on the inner surface of the receiving portion 13 a of the harness plug 13, which is the connecting portion 11 of each of the blocks 9 a to 9 d, and is connected to the connecting portion 11. On the peripheral surface of the insertion portion 12a of the harness connector 12, a recess 15 that fits into the ridge 14 is formed, and the outlet block 9a and the switch blocks 9b to
9d, the positions where the ridges 14 and the concave ridges 15 are formed are changed. For this reason, the outlet 5a is connected to the switch block 9
No connection is made to the outlet block 9a, nor is the switch 5b to 5d connected to the outlet block 9a. However, for example, the outlet 5a having a ground terminal and the outlet 5a having no ground terminal are interchangeable. In this case, as shown in FIG. 10 and FIG. Any of them can be connected.

Also, for example, switch blocks 9b to 9d
There is no compatibility between them. Therefore,
Also in this case, the positions of the ridges 14 and the concave ridges 15 are made different so that only the corresponding switches 5b to 5d can be connected. The harness plug 13 of the wiring cable 4 connected to the load L is formed in the same manner. By the way, although not shown, the switch block 9d is similarly prevented from being erroneously connected. In addition, even when the ratings are different, erroneous connection can be similarly prevented. Further, in the above case, the number of the protruding ridges 14 and the number of the concave ridges 15 are one, but a plurality may be provided.

FIG. 4 shows an example of wiring in a zone. As described above, the connection cable 8 connected to the outlet 5a and the switches 5b to 5d may be directly connected to the connection device 8 of the zonal pull box 1 (FIG. 14A,
(B) is the wiring cable 4 connected to the vertical and horizontal outlets 5a, and FIG. 15 shows the wiring cable 4 connected to the switches 5b to 5d). When the user is away from the box 1, the connecting cable 8 is not directly connected to the connecting device 8, but the next relay cable 16 is connected.
Alternatively, a branch joint connector 17 is used.

As shown in FIG. 16, the relay cable 16 has a harness plug 13 attached to one end and a harness connector 12 attached to the other end. The harness plug 13 and the harness connector 12 of the relay cable 16 are also provided with a structure for preventing the erroneous connection. Branch joint connector 17
As shown in FIG. 18, the wiring drawn from the zonal pull box 1 by the relay cable 16 is branched, and one connecting portion 17a (harness harness) to which the harness connector 12 of the relay cable 16 is connected is connected. It has the same structure as the plug 12) and three connecting portions 17b (the same structure as the harness connector 13) to which the harness plug 13 is connected.

When the relay cable 16 and the branch joint connector 17 are used, the wiring can be performed freely according to the installation location of the wiring device 5, and the connection operation can be easily performed since the connection is made by the connector. . In the above description, only the wiring on the wall surface has been described. However, the present embodiment can be applied to a wiring device 5 such as a hooking ceiling 5e shown in FIG.

[0019]

As described above, the present invention comprises a plurality of blocks according to the type of wiring equipment or the method of use.
A first connecting portion that detachably connects the respective blocks and allows a power cable to be connected to a connector; and a plurality of second connecting portions that connect a wiring cable to the connector .
2 is the harness connector provided on the wiring cable
Harness with a receiving part into which the insertion part of the
It is made of sprags and has a concave stripe formed on the peripheral surface of the insertion part.
A fitting ridge is formed on the inner surface of the receiving part, and wiring
Recesses with different forming positions depending on the type of instrument and the method of use
The power supply cable and the wiring cable are connected by connectors, so that wiring work is easy, and a plurality of blocks according to the type of wiring equipment or usage method etc. It is possible to perform wiring according to indoor wiring by replacing blocks according to indoor wiring conditions, and easily cope with different wiring equipment installed due to different room layout etc. In addition, the second connection part is connected to the distribution cable.
The harness connector
And a harness plug with
A ridge that fits into the formed ridge is formed on the inner surface of the receiving part
At the same time, depending on the type of wiring equipment and usage method, etc.
Ridges are formed at positions corresponding to the different ridges
Wiring harness connectors with different types, usage methods, etc.
Ridge of the receiving part when the connector is connected to the second connecting part.
Does not fit into the groove of the insertion part, so the type and usage
Incorrectly connecting wiring equipment with different methods to the second connection part
There is an advantage that it can be prevented from happening .

Further, when each of the blocks is formed into a module having a fixed size, there is an advantage that the zone pull box can be standardized.

[Brief description of the drawings]

FIG. 1 is a perspective view of a connection device according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a zonal pull box.

FIG. 3 is an explanatory diagram showing an indoor wiring method.

FIG. 4 is an explanatory diagram showing a wiring example of a zone.

FIG. 5 is a partial perspective view of a block.

FIG. 6 is an explanatory diagram showing a circuit configuration of an outlet block.

FIG. 7 is an explanatory diagram illustrating a circuit configuration of a switch block.

FIG. 8 is an explanatory diagram showing a circuit configuration of another switch block.

FIG. 9 is an explanatory diagram showing a circuit configuration of still another switch block.

FIG. 10 is a perspective view of a harness connector and a harness plug having an erroneous connection prevention structure used for an outlet block.

FIG. 11 is a perspective view of a harness connector and a harness plug having an erroneous connection prevention structure used for another outlet block.

FIG. 12 is a perspective view of a harness connector and a harness plug having an erroneous connection prevention structure used for a switch block.

FIG. 13 is a perspective view of a harness connector and a harness plug having an erroneous connection prevention structure used for another switch block.

FIGS. 14A and 14B are plan views of wiring cables connected to outlets having different shapes.

FIG. 15 is a plan view of a distribution cable connected to a switch.

FIG. 16 is a perspective view of a relay cable.

FIG. 17 is a perspective view of a distribution cable connected to a hooking ceiling.

FIG. 18 is a perspective view of a branch joint connector.

FIG. 19 is a perspective view of a branch cable used for conventional indoor wiring.

[Explanation of symbols]

 3 power cable 4 wiring cable 8 connecting device 9 block 10a, 10b, 11 connecting part

──────────────────────────────────────────────────続 き Continued from the front page (56) References JP-A-2-170373 (JP, A) JP-A-61-154413 (JP, A) JP-A-61-176776 (JP, U) JP-A-2-176373 30720 (JP, U) JP-A 1-113976 (JP, U) JP-A 3-40784 (JP, U) Jiko 50-2387 (JP, Y1) (58) Fields surveyed (Int. Cl. ⁷ , DB name) H02G 3/16 H01R 13/514 H01R 25/00 H02G 3/28

Claims (2)

(57) [Claims] 1. A connection device housed in a zonal pull box provided for each indoor zone, into which a power cable from a distribution board and a plurality of wiring cables connected to a wiring device are drawn. A first connecting portion, which comprises a plurality of blocks according to the type or usage method of the wiring equipment, detachably connects the respective blocks, and enables a power cable to be connected to a connector, and a plurality of connectors for connecting the wiring cable to a connector. A second connection portion , wherein the second connection portion includes:
Harness connector insertion part provided in wiring cable
From a harness plug with a receiving part
Ridges that fit into the ridges formed on the peripheral surface of the
Formed on the inner surface of the
Position corresponding to the concave streak where the formation position differs depending on the usage method etc.
A connecting device , wherein a ridge is formed on the connecting device. 2. A method according to claim 1, wherein a formed by modularized to form the respective blocks constant dimensions
Of the connecting device.