JPH019337Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a branch wiring terminal board used in a telephone circuit.

The terminal board for construction branch wiring used in conventional telephone circuits has a large number of clip terminals arranged in two rows on a wiring board 2 inside a case 1, as shown in the schematic cross section in Figure 1 of the attached drawings. One clip terminal arrangement is used as input construction wiring terminal row 3, the other clip terminal arrangement is used as output construction wiring terminal row 4, and each core wire of the input side cable is used as input construction wiring terminal row 3.
Connect each clip terminal to the insulation displacement connection section 31, and connect each core wire of the output cable to each telephone to the insulation displacement connection section 41 of each clip terminal of the terminal row 4 for output construction wiring, and input/output. The wiring between the connection posts 32A to 32H and 4 of each clip terminal
The wires 2A to 42H are connected in advance by wrapping and soldering using back wiring wires 5A to 5H, respectively. An example of such back wiring will be described in more detail with reference to FIG. 2. FIG. 2 schematically shows an example of back wiring when the terminal board of FIG. 1 is used to branch an eight-core input cable for two telephones 10A and 10B. The four-core wire set 6A for the first telephone line of the eight-core input cable is connected to connection posts 32A, 32B, and 32C.
and 32D, respectively, and the four-core wire set 6B for the second telephone line of the eight-core input cable is connected to the connection post 32E, 32F. ,3
It is connected to the insulation displacement connection part of each clip terminal having 2G and 32H, respectively, and on the other hand,
Each of the four core wires of the output cable to the first telephone 10A is connected to the insulation displacement connection portion of each clip terminal having connection posts 42A, 42B, 42C, and 42D, respectively.
Each of the four core wires of the output cable to 0B is connected to a displacement connection portion of each clip terminal having connection posts 42E, 42F, 42G and 42H, respectively. In this example, in order to connect the set of four core wires 6A for the first telephone line to the first telephone 10A, the input side connection post 32
A, 32B, 32C and 32D and the output side connection posts 42A, 42B, 42C and 42D are fixedly connected by back wiring wires 5A, 5B, 5C and 5D, respectively, and the second The input side connection post 32 is used to connect the four core wire set 6B for the telephone line to the second telephone 10B.
E, 32F, 32G and 32H and output connection posts 42E, 42F, 42G and 42H are fixedly connected by back wiring wires 5E, 5F, 5G and 5H, respectively.

With such a conventional terminal board, if you want to switch lines due to a change in telephone number, etc., for example,
When it is desired to connect the first telephone line 6A to the second telephone 10B and the second telephone line 6B to the first telephone 10A, as schematically shown in FIG. 32H and 42A-42H
It is necessary to remove the wires 5A to 5H connected between the wires one by one and rewire them using different wires 5A' to 5H' instead, and such rewiring work is troublesome. It takes a lot of man-hours,
Line switching using conventional terminal boards has not been easy.

SUMMARY OF THE INVENTION In view of the problems of the prior art, it is an object of the present invention to provide a branch wiring terminal board that allows line switching to be performed easily.

Next, the present invention will be described in detail with respect to embodiments of the present invention based on FIGS. 4 to 9 of the accompanying drawings.

FIG. 4 is a partially cutaway perspective view of a cover of a terminal board for branch wiring as an embodiment of the present invention. This branch wiring terminal board mainly includes a base body 20, a clip terminal board 30, and a cover 40.
It is equipped with The base body 20 is formed with cable openings 21 and 22 through which the input cable 50 and the output cable 60 pass. As clearly shown in the partially exploded view of FIG. 5, the clip terminal plate 30 has a plurality of clip terminals 70 for connecting input cable cores and a plurality of clip terminals 80 for connecting output cable cores on the left and right sides. They are arranged in two rows, and furthermore, a wiring groove 31 is formed for passing a wiring for connection between the input clip terminal 70 and the output clip terminal 80. Furthermore, a plurality of fixing grooves 32 and 33 are formed on the upper surface of the clip terminal plate 30, into which the clip terminals 70 and 80 are inserted and fixed. Arrowhead-shaped stop members 34 are provided at intervals to prevent the connected wires from easily coming off (see FIG. 4). Along one side edge of the base body 20, there are an input connector 90 and an output connector 100 for connecting between the input clip terminal 70 and the output clip terminal 80.
Relay connector 110 for interconnection with
Multiple pieces are installed.

In order to branch from the input cable 50 to the output cable 60 using such a terminal board for branch wiring, as shown in FIG. Make a pressure connection to the pressure connection groove 71 on one side of the clip terminal 70,
Further, each core wire 61 of the output cable 60 is connected to one pressure connection groove 81 of the corresponding output clip terminal 80.
Connect the pressure welding wire to the Furthermore, the other end of the wiring wire 120, one end of which is connected to each terminal of the input connector 90, is passed through the wiring groove 31 and connected to the other pressure connection groove 72 of the corresponding input clip terminal 70. In addition, the other end of the wiring wire 130, one end of which is connected to each terminal of the output connector 100, is passed through the wiring groove 31 and connected to the other insulation displacement connection groove 82 of the corresponding output clip terminal 80. go. Finally, by connecting each input connector 90 and output connector 100 to the corresponding relay connector 110 (see FIG. 4), the desired branching from the input cable 50 to the output cable 60 is performed. be able to.

In such a terminal board for branch wiring, when it is desired to switch the branch mode from the input cable 50 to the output cable 60, for example, from the branch mode shown in FIG. 2 to the branch mode shown in FIG. If you want to switch to the relay connector 110, simply disconnect the adjacent output connector 100 from the corresponding relay connector 110 and replace it with the relay connector 110.
Just reconnect it to. Also, instead of replacing and connecting the output connectors 100,
This can also be done by similarly replacing and connecting the input connectors 90. As described above, according to the configuration of the terminal board for branch wiring of the present invention, any branching mode can be realized extremely easily by simply replacing the connections between the input connector and the output connector.

6 is a perspective view similar to FIG. 4 showing a branch wiring terminal board according to another embodiment of the present invention, and FIG. 7 is a schematic cross-sectional view of the branch wiring terminal board of FIG. 6. . Connect each core wire 51' of the input cable 50' to one insulation displacement groove of the input clip terminal 70', and connect each core wire 61' of the output cable 60' to the insulation displacement groove of the output clip terminal 80'. Then, the other end of the wiring wire 120' with one end connected to each terminal of the input connector 90' is passed through the wiring groove to the other insulation displacement groove of the corresponding input clip terminal 70'. The pressure welding connection is similar to that of the embodiment described above with reference to FIGS. 4 and 5, but in the embodiment of FIGS. As shown, the output clip terminal 80' is soldered to the circuit conductor 141 of the printed circuit board 140 at the bottom post 83', and the output connector 100 is soldered along the side edge of the printed circuit board 140. ' are attached, and each terminal 101 of these output connectors 100' is soldered to a circuit conductor 141 of a corresponding printed circuit board 140. Therefore,
In this embodiment, the electrical connection between the output connector 100' and the output clip terminal 80' is made by a circuit conductor 141 of a printed circuit board 140. In this embodiment as well, the input cable 50'
The mode of branching from the output cable 60' to the output cable 60' can be switched very easily.

8 is a perspective view similar to FIG. 4 showing a branch wiring terminal board according to yet another embodiment of the present invention, and FIG. 9 is a schematic cross-sectional view of the branch wiring terminal board of FIG. 8. be. Connect each core wire 51'' of the input cable 50'' to the insulation displacement groove of the input clip terminal 70'',
It is the same as the embodiment explained with reference to FIGS. 4 and 5 in that each core wire 61'' of the output cable 60'' is connected to the insulation displacement connection groove of the output clip terminal 80'' by insulation displacement. In this example,
As best shown in FIG. 9, the input clip terminals 70'' are soldered to the circuit conductors 151 of the printed circuit board 150 at the bottom posts 73'', and are located on one side of the printed circuit board 150. Input connectors 90'' are installed along the edge, and each terminal 91 of these input connectors 90''
are soldered to the circuit conductors 151 of the corresponding printed circuit board 150. Additionally, output clip terminals 80'' are soldered to circuit conductors 152 of a printed circuit board 150 at bottom posts 83'', and output connectors 100'' are soldered along the other side edge of the printed circuit board 150. are installed, and each terminal 101'' of these output connectors 100'' is connected to a corresponding printed circuit board 150.
It is soldered to the circuit conductor 152 of. Therefore, in this embodiment, the electrical connection between the input connector 90'' and the input clip terminal 70'' is made by the circuit conductor 151 of the printed circuit board 150, and the electrical connection between the input connector 90'' and the output clip terminal 70'' is made by the circuit conductor 151 of the printed circuit board 150. Electrical connections to 80'' are made by circuit conductors 152 on printed circuit board 150.
Interconnecting connectors 170 and 180, which are connected to each other via a connecting wire 160, are coupled to the input connector 90'' and the output connector 100'', respectively. In this embodiment as well, the input cable 50'' is branched into the output cable 60'' by appropriately replacing the connections of the interconnecting connectors 170 and 180 to the input connector 90'' and the output connector 100''. can be switched extremely easily.

[Brief explanation of the drawing]

Figure 1 of the accompanying drawings is a schematic sectional view of a terminal board for construction branch wiring used in a conventional telephone circuit, Figure 2 is a schematic diagram showing an example of back wiring in the terminal board of Figure 1, and Figure 3 is a schematic cross-sectional view of a terminal board for construction branch wiring used in a conventional telephone circuit. , a schematic diagram showing an example of a case where the back wiring of the terminal board shown in FIG. 5 is a partially exploded view of the terminal board shown in FIG. 4, FIG. 6 is a perspective view similar to FIG. 4 showing a branch wiring terminal board according to another embodiment of the present invention, and FIG. A schematic cross-sectional view of the branch wiring terminal board in Figure 6,
FIG. 8 is a schematic sectional view of a branch wiring terminal board according to yet another embodiment of the present invention, and FIG. 9 is a schematic sectional view of the branch wiring terminal board of FIG. 8. 20...Base body, 30...Clip terminal board, 31
...Wiring groove, 40...Cover, 50...Input cable,
51... Core wire, 60... Output cable, 61... Core wire,
70...Input clip terminal, 80...Output clip terminal, 90...Input connector, 100...Output connector, 110...Relay connector, 120,1
30... Wire material for wiring.

Claims (1)

[Claims for Utility Model Registration] (1) An array of input terminals for connecting the core wires of the input cable and an array of output terminals for connecting the core wires of the output cable are provided on the base body, A terminal board for branch wiring, comprising an electrical connector that allows the connection between the input terminal and the output terminal to be changed. (2) The electrical connector includes a plurality of relay connectors arranged along the side edge of the base body, and a relay connector electrically connected to the input terminal by a wiring wire material. Practical use consisting of an input connector that can be coupled to one coupling side, and an output connector that is electrically connected to the output terminal with a wiring wire and that can be coupled to the other coupling side of the relay connector. Terminal board for branch wiring as set forth in claim (1) of patent registration. (3) A plurality of the electrical connectors are arranged along the side edges of the printed circuit board mounted on the base body, and are electrically connected to the output terminals by circuit conductors of the printed circuit board. and an input connector that is electrically connected to the input terminal by a wiring wire and can be coupled to the output connector, as set forth in claim (1). Terminal board for branch wiring. (4) A plurality of the electrical connectors are arranged along one side edge of the printed circuit board mounted on the base body, and the electrical connectors are electrically connected to the input terminals by the circuit conductors of the printed circuit board. a plurality of output connectors arranged along the other side edge of the printed circuit board and electrically connected to the output terminals by the printed circuit conductors; A terminal board for branch wiring according to claim 1, which is a utility model, and comprises interconnecting connectors that are connected to each other by connecting wires and can be coupled to the input connector and the output connector, respectively.