JPH1140295A - Power supply cable with branch connector and its manufacture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To connect an audio equipment to a power source with one cable and to simplify a wiring by integrally molding a branch connector for connecting a receptacle of the audio appliance at a branch part of a power supply cable made between an attachment plug and a connector. SOLUTION: For a power supply cable with branch connectors 10, when a system is constructed by combining plural audio appliances, a connector 40 and a branch connector 50, 50 are connected to audio appliances individually, and an attachment plug 30 is connected to a power source. Thereby, while a wiring becomes simple since only one attachment plug 30 is required, power supply cables 20, 20, 20 can be made to a most appropriate length, there are no slack in the power supply cables 20, 20, 20 and surroundings around the audio appliances become neat. Accordingly, audio cables, and the power supply cables are not likely to be entangled. The number of branch connectors 50 are increased or decreased, in matching with the number of audio equipment constituting a system.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power cord with a branch connector for connecting audio equipment and the like to a power supply and a method of manufacturing the same.

[0002]

2. Description of the Related Art Generally, in order to connect an audio device to a power source, a power cord (cord set) is used in which a connector is connected to one end of a power supply wire and a plug is connected to the other end. It is connected to the power receptacle provided on the device, and the plug is connected to the power outlet.

Conventionally, when combining a plurality of audio devices such as an audio device itself, an amplifier, a tuner, etc.,
Since there is a shortage of power outlets, a power strip provided with a plurality of outlets at one end of a power supply wire is used.

As shown in Japanese Utility Model Laid-Open Publication No. 50-94493, a cord set is used in which a plurality of branch outlets are connected along a power supply wire having one end connected to a plug. It has been proposed to connect a plurality of audio devices.

[0005]

However, it is difficult to wire the power strip with the power supply wire entangled because the plugs of the audio equipment are densely packed with the power strip.

A cord set to which a branch outlet is connected is effective for connecting insertion plugs of a plurality of remote electronic devices, but a plurality of such as an audio device itself, an amplifier, a tuner, etc., like an audio device. When the present invention is applied to an apparatus in which the audio devices are stacked, there is a problem that the surroundings of the audio device are complicated by an extra power supply wire.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a power cord with a branch connector which can simplify wiring of a power cord of an audio device or the like and which can make the periphery of the audio device clear, and a method of manufacturing the same.

[0008]

According to a first aspect of the present invention, there is provided a power supply cord having a plug connected to one end of a power supply wire and a connector connected to the other end. A branch portion is formed in a power supply wire between them, and a branch connector connected to a power receiver of an audio device is integrally formed in the branch portion.

According to a second aspect of the present invention, there is provided a power cord manufacturing method for connecting a plug to one end of a power cable and a connector to the other end, wherein the power cable is cut into a power cable between the plug and the connector. This is a method of forming a branch portion, and integrally forming a branch connector to be connected to a power receiver of an audio device at the branch portion.

According to a third aspect of the present invention, the branch portion is formed by cutting a power supply wire, and the branch connector is integrally formed in a state where the cut ends of the two power supply wires are closely arranged. It is a method of molding.

That is, the gist of the present invention is that a branch connector is provided by connecting ends of two wires branched from a power supply wire to each of a pair of blade receivers provided inside the connector. It is. This branch connector is 2
By arranging the power supply wires in parallel with the connector mold and in a line, integral molding was enabled.

In the present invention, the temperature is used within the range of the rating of the power cord (60.degree. C. or 75.degree. C. in Japan), and the rated current is used below the total current of the audio equipment to be connected.

According to the above configuration, when a system is constructed by combining a plurality of audio devices, the power cord with a branch connector connects the connector to the power receiver of each audio device, and inserts the plug directly into the power outlet. Connecting. As a result, since only one plug is required, the wiring is simple, and the power supply wire can be formed to have an optimum length, so that the power supply wire does not loosen and the surroundings of the audio device are clean.

In this connection, since the connecting direction of the branch connector to the power receiving unit coincides with the connecting direction of the power supply wire to the branch connector, it is easy to connect to the audio equipment.

[0015]

Next, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view of a power cord with a branch connector according to the present invention.

As shown in FIG. 1, a power cord 10 with a branch connector is provided with a plug 30
And two branch connectors 50, 50 branched from the power supply wire 20 at a predetermined interval from the connector 40, and connected to a power supply wire 20 of a power cord having the connector 40 connected to the other end. Connectors 40, 50,
50 share one plug 30.

The plug 30 has a pair of plug terminals 32 and 34 connected to a power outlet.
The power supply wire 20 is configured by a pair of wires 22 and 24 arranged side by side, and the respective plug terminals 32 and 34 are provided.
Are electrically connected to one ends of the electric wires 22 and 24, respectively. Then, the plug terminals 32 and 34 and the electric wires 22 and 2
4 is connected to a plug body 3 made of a thermoplastic resin.
6 so as to be integrally formed.

The connector 40 has a pair of cylindrical blade supports 4 connected to a power supply provided in the audio equipment.
2, 44, and the respective blade receivers 42, 44
The other ends of the electric wires 22 and 24 are electrically connected to each other. Then, the blade supports 42 and 44 and the electric wires 22 and 24
Is connected to a connector body 46 made of a thermoplastic resin.
It is integrally molded so as to be covered by.

Next, the branch connector 50 according to the present invention will be described.

The branch connector 50 of the present invention has a pair of cylindrical connector blade receivers 52 and 54 connected to a power supply provided in audio equipment. 54 are electrically connected so as to branch off from the electric wires 22 and 24, respectively.

Specifically, the respective branch connector blade receivers 52 and 54 are connected so that the current flowing through the right electric wire 22 flows through the right blade receiver 52 and flows through the right electric wire 22 again. The current flowing through the left electric wire 24 is connected to the left electric wire 24 again through the left blade receiver 54.

The connecting portions (branching portions) 55, 55
The pair of electric wires 22 and 24 are formed integrally with a branch connector main body 56 made of a thermoplastic resin in a state where the pair of electric wires 22 and 24 are arranged in parallel and densely in a row with the branch connector blade receivers 52 and 54. That is, the branch connector 50 is configured such that the connection direction to the power supply receiver and the connection direction of the power supply wire 20 to the branch connector 50 match.

Next, a method of manufacturing the power cord 10 with a branch connector according to the present invention will be described.

When manufacturing the power cord 10 with a branch connector, first, the connector 40 is connected to one end of the power supply wire 20.
And a plug 30 is connected to the other end to produce a power cord. Then, at a predetermined interval from the connector 40, the number of power supply wires 20 equal to the number of connection of the branch connectors
Is cut and the ends of the four electric wires 22, 22, 24, 24 and the pair of branch connector blade receivers 52, 54 are connected to form two connection portions (branch portions) 55, 55. Next, these branch portions 55, 55 are formed integrally with the branch connector main body 56 in a state of being arranged in a connector mold such that the two power supply wires 20, 20 are densely arranged in a line. Two branch connectors 50, 50 are provided on 20. In this way, three connectors 4 for one plug 30
The power cord 10 with a branch connector in which 0, 50, 50 are connected in a line along the power supply wire 20 is manufactured.

When a system is constructed by combining a plurality of audio devices, the power cord 10 with a branch connector is provided with connectors 40, 50,
50 and the plug 30 is connected to a power source. As a result, since only one plug 30 is required, the wiring is simple, and the power supply wire 20 can be formed to an optimum length, so that the power supply wire 20 does not loosen and the periphery of the audio device is clear.

At the time of this connection, each connector 40, 5
0, 50 indicate the connection direction to the power receiver and their connectors 4
Since the connection direction of the power supply wire 20 to 0, 50, 50 matches, it is easy to connect to the audio equipment.

In this embodiment, the connector 4
Although an example has been described in which two branch connectors 50 are provided in addition to 0, it goes without saying that the number of branch connectors 50 may be increased or decreased as appropriate in accordance with the number of audio devices constituting the system.

Further, in the present embodiment, the branch portion 55 formed on the power supply wire 20 is connected to the branch connector main body 56.
, But the branch portion 55 is connected to the branch connector main body 5.
6 may be formed outside.

[0030]

As described above, according to the present invention, three to five power cords (cord sets) conventionally used for wiring audio equipment and the like are replaced by a single power cord with a branch connector. Can be connected. For this reason, it is hard to be entangled with an audio cord or another power cord, and wiring can be easily performed.

Further, since the power supply wire can be formed to have an optimum length, the power supply wire does not loosen, and the wiring of the audio equipment can be reduced.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a power cord with a branch connector according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Power cord with branch connector 20 Power cable 22, 24 Wire 30 Insert plug 40 Connector 50 Branch connector 52, 54 Blade receiver 55 Branch part (connection part) 56 Branch connector body

Claims (3)

[Claims] In a power cord having a plug connected to one end of a power supply wire and a connector connected to the other end, a branch portion is formed in the power supply wire between the plug and the connector,
A power cord with a branch connector, wherein a branch connector for connecting to a power receiver of an audio device is integrally formed at the branch portion. 2. A method of manufacturing a power cord, wherein a plug is connected to one end of a power supply wire and a connector is connected to the other end.
A method of manufacturing a power cord with a branch connector, comprising: forming a branch portion in a power supply wire between the plug and the connector; and integrally forming a branch connector connected to a power receiver of an audio device at the branch portion. . 3. The branch connector is formed by cutting a power supply wire, and the branch connector is formed integrally with the cut ends of the two power supply wires being closely arranged.
A method for manufacturing the power cord with a branch connector according to the above.