JPH11234711A - Communication line connection device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a communication line connection device that easily connects an extra-station communication line to an intra-station communication line without a complicated configuration. SOLUTION: Projected terminals 50a are provided, which are projected from a connector block 12 while being mounted to a communication line connection terminal 50, and the connection between an extra-station communication line and an intra-station communication line is made by using a connector 56 that connects plural communication lines corresponding to each projected terminal 50a provided for each communication connection terminal 50 simultaneously. The presence of the projected terminal 50a projected from the connector block 12 facilitates the connection to each communication line by the connector much more and simultaneous connection between plural projected terminals 50a and plural communication lines is conducted by the connector.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a communication line connecting device, and more particularly to a communication line connecting device provided on a main distribution board (MDF) provided for connecting an external communication line and an internal communication line in an exchange. It is.

[0002]

2. Description of the Related Art In exchange stations in diversifying communication systems, communication line connecting devices for efficiently connecting a large number of external communication lines to exchanges in the office in a space-saving manner have been used.

For example, FIGS. 9 to 12 show examples of a conventional communication line connection device. Such a communication line connection device is generally installed as a component of a distribution frame (MDF) installed in an exchange. As shown in FIG. 9, the basic configuration of the communication line connection device 10 includes a connector block 12 formed of an insulating member such as a resin and a surge protection element for preventing damage due to excessive current caused by lightning and the like. The arrester module 14 is a ground terminal 16 connected to the arrester module 14. Reference numerals 11a and 11b denote intra-station communication lines, and reference numeral 13 denotes a communication line.
Reference numerals a and 13b denote jumper wires connected to the external communication line, and the above members are mounted on the mount 15.

FIG. 10 is an exploded perspective view of FIG. 9, in which a ground terminal 16 and an arrester module 14 are engaged and mounted on the connector block 12 as shown in the figure. Inside the connector block 12, U-slit terminals 18 as communication line connection terminals shown in FIG.

The U-slit terminal 18 is provided with a U-slit 18a at an upper end thereof, and a communication line is connected to this portion. The other end is bent so as to apply an urging force in the direction of arrow 100. The U-slit terminal 18 is mounted so that the U-slit 18a is located in the concave portion 20 of the concave-convex portion formed opposite to the upper end of the connector block 12.

That is, the communication line 11 and the jumper line 13 are connected to the U-slit 18a from the outside of the connector block 12 at the recess 20 so as to be connected to the U-slit 18a. In addition, a pair of bent portions 18b for exerting the urging force of the U slit terminal 18 are mounted so as to face each other, and the board portion 22 of the arrester module 14 is inserted between the opposed bent portions 18b.
The U slit terminals 18 are connected to each other. That is, a contact pattern for electrically connecting the opposed U slit terminals 18 is formed on the substrate portion 22 provided on the arrester module 14.

In the figure, two communication line contacts 24 are shown.
a and 24b are provided. That is, this contact is also provided on the opposite surface side, and the connection of the opposed U slit terminal 18 is performed by the contact on the front and back surfaces of the substrate portion 22. Therefore, the jumper lines 13a and 13b connected to the external communication line from the home telephone and the like connected to the U slit terminal 18 and the intra-office communication lines 11a and 11b connected to the exchange side of the exchange are electrically connected. Things.

The ground terminal 16 has a connection end 16a at the upper end thereof. When the arrester module 14 is mounted on the connector block 12 (FIG. 9).
), And this connection end 16a is
Is connected to the arrestor module 14 by being inserted into a ground connection portion (not shown) provided in the arrestor module. Also, the insertion end 16 of the ground terminal 16 into the connector block 12
In the mounting state shown in FIG.
5 and is connected to the ground.

FIG. 12 is a circuit diagram showing a connection state between a general user of the communication system as described above, for example, a telephone 30 in each home and a switch 32 in a switching center. The exchange 32 is configured to be installed in the exchange.

A terminal board 36 is provided on the wiring board 34,
External communication lines 17a and 17b from the telephone 30 are connected. Jumpers 13a and 13b are connected to the contacts 36a and 36b of the terminal plate 36, and the jumpers 13a and 13b are connected to the U-slit terminals 18-1 on the external communication line side provided on the connector block 12 described above. Each is connected. The intra-office communication lines 11a and 11b on the exchange 32 side are connected to the U-slit terminal 18-2 on the intra-office communication line loaded in the connector block 12.

The portion indicated by the two-dot chain line in the drawing is the configuration of the arrester module 14. When the arrester module 14 is mounted on the connector block 12, the U-slit terminal 18- on the external communication line side is connected. 1 and the U-slit terminal 18-2 on the intra-station communication line side are automatically connected to each other. The arrester module 14 includes surge protection elements SSP1 and SSP
2 are connected to both lines of the circuit, their intermediate terminals 42 are connected to the ground terminal 16, and the ground terminal 16 is grounded. Thus, when an excessive current occurs due to a lightning strike or the like, the surge protection elements SSP1, SS
It is configured to be grounded by P2.

[0012]

In the above conventional communication line connection device, the connection between the outside communication line and the inside communication line is established by the U slit 1 of the U slit terminal 18 provided corresponding to each.
This is performed by connecting each line to the portion 8a. Therefore, it is necessary to perform a connection operation for each communication line at the concave portion 20 of the connector block 12, and the wiring work is very troublesome.

Another problem is that a ground terminal 16 is provided.
Are located outside the connector block at both ends 16b and 16b.
c was inserted and inserted from the outside, so that the ground terminal 16 was externally attached to the connector block 12 after the above-mentioned connection was made for each communication line in advance so as not to interfere with the wiring. Work was needed.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide a communication line connecting device capable of easily connecting an external communication line and an internal communication line without a complicated configuration. To provide.

[0015]

According to a first aspect of the present invention, there is provided a communication line connecting device having a protruding terminal portion protruding from a connector block in a state where the communication line connecting terminal is mounted on the communication line connecting terminal. The connection with the communication line is performed by a connector capable of simultaneously connecting a plurality of communication lines corresponding to the protruding terminal portions provided on the individual communication line connection terminals.

[0016] Thus, since there is a protruding terminal portion protruding from the connector block, connection with each communication line by the connector becomes easier. Further, a connector configuration that can simultaneously connect a plurality of protruding terminal portions and a plurality of communication lines can be easily formed, and a simple and quick connection operation using the connector can be performed.

In the communication line connecting device according to the second aspect, the protruding terminal portion is formed only on the communication line connection terminal for connection with either the communication line outside the station or the communication line inside the station. The connector has a connection portion in which all the protruding terminal portions of the communication line connection terminals on one side to which the connector is to be connected simultaneously are fitted and connected.

For example, the connection is established by the connector only in the intra-office communication line side, that is, only on the communication line side connected to the exchange. As a result, the other side, that is, the outside line, is connected to the individual communication line connection terminals and the communication line (jumper line) as in the related art. It is possible to leave room for easily performing individual connection switching or the like when a switching operation occurs.

According to a third aspect of the present invention, in the communication line connecting device, the protruding terminal portion has a rod-shaped protruding portion having a pointed tip, and the connecting portion of the other connector has a tip of the protruding terminal portion. It is configured as a recessed portion that can be fitted. Therefore,
By fitting the tip of the protruding terminal portion, which is a bar-shaped protruding portion, into the concave portion, fitting connection is performed collectively. Thereby, a stable electrical connection state can be secured by a simple and quick connection operation.

According to a fourth aspect of the present invention, there is provided a communication line connecting device, wherein a ground contact for making a connection with a ground terminal is provided on the substrate portion of the arrester module in addition to the communication line contact. Is mounted in the connector block so as to be connected to the ground contact provided on the board portion in a state where the is mounted.

This eliminates the need to attach an earth terminal externally to the connecting block as in the conventional configuration, and the attachment of the earth terminal hinders the connection of the communication line and reduces the work of installing the earth terminal. It is possible to eliminate a situation that is restricted. Further, since the ground terminal is pre-loaded in the connector block, the ground connection is completed only by the operation of mounting the arrester module, and the operation becomes extremely simple.

According to a fifth aspect of the present invention, the communication line connecting device has an integral structure in which the ground terminal loaded in the connector block is simultaneously connected to the ground contacts of all the arrester modules mounted on the connector block. doing. Thus, since the installation operation of the ground terminal is completed only by loading one ground terminal into the connector block, the connection operation for ground connection and the simplification of the manufacture of the communication line connection device are also achieved.

According to a sixth aspect of the present invention, in the communication line connecting device, the ground contact provided on the substrate portion of the arrester module is disposed at a predetermined position, and the ground terminal in the connector block is
When the arrester module is mounted on the connector block, the ground contact portion of the substrate is held by a predetermined urging force. As a result, the ground terminal is brought into contact with the ground contact with a predetermined pressing force by performing a mounting operation such as an insertion operation of the arrester module. This makes the connection to the ground terminal of the circuit very simple and stable.

[0024]

FIG. 1 shows a configuration example of U slit terminals 50 and 52 as communication line connection terminals according to an embodiment of the present invention. As shown in the figure, two pairs of U-slit terminals 50 connected to the intra-office communication line and U-slit terminals 52 connected to the out-of-office line communication line (jumper line) are shown. Characteristically, the U-slit terminal 50 to which the intra-office communication line is connected is formed with a protruding terminal portion 50a formed to extend in a bar shape downward in the drawing. U on the side connected to the other external communication line
The slit terminal 52 is not provided with such a protruding terminal portion. Note that two U-slits 50b and 52b are formed at the upper end, respectively.

FIG. 2 shows a front view and a side view of the U-slit terminal 50, and FIG. 3 shows a front view and a side view of the U-slit terminal 52, respectively. As shown in the drawing, the two are different in the portion of the protruding terminal portion 50a, but the other configurations are substantially the same. That is, U-slits 50b and 52b are formed at the upper end, and have spring portions 50c and 52c formed by bending.
It is mounted so that 0c and 52c sides face each other.

Each of the U-slit terminals 50 and 52 has two U-slits formed at the upper end thereof. This configuration allows the U-slit terminals 50 and 52 to be connected to one side when the connection is switched. It is possible to switch to another connection while securing the connection.

FIG. 4 shows a state where the U-slit terminals 50 and 52 are loaded in the connector block 12, respectively. As shown, the protruding terminal portion 50a of the U slit terminal 50 protrudes outward from the connector block 12 by a predetermined length. Therefore, the length of the protruding terminal portion 50a and the through hole of the connector block 12 for passing the same are adjusted and formed. That is, since a plurality of U slit terminals 50 are aligned and loaded in the connector block 12,
As shown in FIG. 7B described later, a plurality of protruding terminal portions 50a protrude from the connector block 12.

Accordingly, on the other hand, the connection between the intra-office communication line 54 connected to an exchange not shown and the U-slit terminal 50 is made by using the connector 56.
That is, the connector 56 has one connector block 12
All the protruding terminal portions 5 of the U slit terminal 50 loaded in
0a at the same time (see FIG. 7B).

In this embodiment, the rod-shaped projecting terminal portions 50a are provided with recesses into which the projecting terminal portions 50a can fit, the number of which is equal to the number of projecting terminal portions 50a. Therefore, connection and disconnection between the connector 56 and the protruding terminal portion 50a can be easily and collectively performed.

Next, FIG. 5 shows an embodiment of the arrester module according to the present invention. As shown in the figure, the arrester module 60 is provided with the surge protection elements SSP1 and SSP2 shown in the prior art on the substrate section 62, and further, communication line contacts 24a and 24b are formed on the front and back surfaces, respectively. .

Characteristically, the substrate portion 62 is provided with a portion extending further downward, and a ground contact 64 is provided at the portion.
Is patterned. In addition, the arrester module 60 is provided with a cap 66 configured to cover a part of the surge protection element.

FIG. 6 shows another embodiment of the arrester module.
0 is the communication line contact 24
a and 24b are provided, and a polyswitch unit 72 is mounted on the upper part of the drawing in addition to the ground contact 64 and the surge protection elements SSP1 and SSP2. The cap 74 is large enough to cover the entire surge prevention element SSP and the polyswitch 72.

One arrester module as described above connects two pairs of U-slit terminals to each other, that is, one arrester module is installed for one line.

FIGS. 7A and 7B and FIGS. 8A and 8B show the connector block 12 in which the U-slit terminals 50 and 52 according to the embodiment of FIG. The communication line connecting device in which the arrester module 60 according to the embodiment of the present invention is loaded and the connector 56 is further connected is shown.

As shown in the figure, the board portion 62 of the arrester module 60 is inserted and mounted from above the connector block 12, and spreads these members between the spring portions 50c and 52c of the U-slit terminals 50 and 52, respectively. And the spring portions 50c and 52c are
Are respectively connected to the communication line contacts 24 formed on the front and back surfaces.

Further, the ground contact 64 formed at the lowermost position of the substrate portion 62 is connected while being held between the ground terminals 80 (FIGS. 7B and 8B). That is,
The ground terminal 80 is connected to the arm portions 80a and 80 opposing each other.
b, between which the substrate portion 62 is inserted, and the ground contact 64 and the ground terminal 80 thereof are connected. The ground terminal 80 is integrally formed as a whole, and is pre-loaded at a position below the connector block 12. Also, as understood from FIG.
Each of the ground contacts 64 is configured to be sandwiched between two divided arms.

According to such an embodiment, the communication line connected to the exchange side inside the office and the U-slit terminal 50
Are connected together by the connector 56 in one connector block 10. Therefore, there is no need to perform connection work for individual communication lines, and one-touch connection is possible. The connection on the external communication line side is performed for each communication line at the U-slit 52a of the U-slit terminal 52 as in the conventional case. With such a configuration, connection switching of individual external telephones can be easily performed. Can be.

Further, since the ground terminal 80 is pre-loaded in the connector block 12, there is no danger that the connection work of the communication line will be disturbed as in the case where the ground terminal 80 is externally attached. In addition, the integrally formed ground terminal 8
By using 0, loading into the connector block 12 is also extremely simple.

The surge protection elements SSP1 and SSP2 provided on the substrate 62 of the arrester module 60
The ground connection of the communication line circuit through the arrestor module 60 is provided by providing a ground contact 64 on the substrate portion 62 of the arrester module 60 and connecting the ground contact 64 to the ground terminal 80 described above. The connection operation is completed with one touch only by the operation of inserting and mounting the block 12 from above. Also, since the ground contact 64 is held between the ground terminals 80, the connection state is extremely stable.

The present invention is not limited to the configuration of the above embodiment, and various modifications can be made within the scope of the invention. For example, for the U-slit terminal, the protruding terminal portion 50a is provided only for connecting to the intra-office communication line side, but the same protruding terminal portion is formed for the U-slit terminal 52 for connecting to the out-of-office line side. It is also possible that both connections are collective connections using connectors.

Further, contrary to the above embodiment, it is also possible to adopt a configuration in which the protruding terminal portion is provided only on the external communication line side. Further, the ground terminal is not limited to the integral molding as the ground terminal 80 according to the embodiment, and a plurality of ground terminals can be used in an electrically connected state. The connection state is not limited to the connection state described above, and it is sufficient that the connection state can be ensured when the board portion is inserted in some form.

[0042]

According to the communication line connection device of the present invention,
The connection operation can be facilitated without complicating the configuration of the connection portion between the external communication line and the intra-office communication line. Further, according to another aspect of the invention, the connection operation for ground connection of the communication line is simplified, and the use of the communication line connection device is facilitated.

[Brief description of the drawings]

FIG. 1 is a perspective view of a U-slit terminal according to an embodiment.

FIGS. 2A and 2B are a front view and a side view of a U-slit terminal having a protruding terminal portion.

FIGS. 3A and 3B are a front view and a side view of a U-slit terminal having no protruding terminal portion.

FIG. 4 is a diagram illustrating a state of mounting a U slit terminal to a connector block and a configuration of a connector.

FIGS. 5A and 5B are a perspective view and an exploded perspective view of the arrester module according to the embodiment.

FIGS. 6A, 6B, 6C, and 6D are a front view, a side view, a plan view, and a cross-sectional view of another embodiment of an arrester module.

FIGS. 7A and 7B are a plan view and a partially cutaway front view of a communication line connection device according to the embodiment with a U-slit terminal and an arrester module loaded therein.

FIGS. 8A and 8B are a side view and a cross-sectional view of a communication line connection device with a U-slit terminal and an arrester module according to the embodiment mounted.

FIG. 9 is a perspective view of a conventional communication line connection device.

FIG. 10 is an exploded perspective view of a conventional communication line connection device.

FIG. 11 shows a communication line connection terminal used in a conventional communication line connection device.

FIG. 12 is a general circuit configuration diagram showing a connection state between a general user's telephone and an exchange of an exchange.

[Explanation of symbols]

 50, 52 U slit terminal 50a Projecting terminal portion 56 Connector 60 Arrester module 62 Substrate portion 64 Ground contact 80 Ground terminal

Claims (6)

[Claims] 1. A connector block which is installed in an exchange for connecting a plurality of external communication lines and an intra-office communication line, and in which a plurality of communication line connection terminals to which the respective communication lines are respectively connected are mounted. A predetermined number of the communication line connection terminals to which the intra-office communication lines are connected by being attached to the connector block and the corresponding communication line connection terminals to which the corresponding out-of-station communication lines are connected. An arrester module having a substrate portion provided with a communication line contact to be electrically connected and a surge protection element; and an earth terminal for ground-connecting the communication line contact of the arrester module via the surge protection element. In the communication line connection device provided with, each of the communication line connection terminals is provided with a protruding terminal portion protruding from the connector block in a loaded state. Connection between the outsider communication line and station communication line, the communication line connection device which is characterized in that by simultaneously connectable connectors and a plurality of the protruding terminal portion and a plurality of said communication line. 2. The protruding terminal portion is formed only on a communication line connection terminal that is connected to either the communication line outside the station or the communication line inside the station. 2. The communication line according to claim 1, further comprising: a connection portion to which all the protruding terminal portions of the one side of the communication line connection terminal to be connected simultaneously are fitted and connected. Connection device. 3. The protruding terminal portion is a rod-shaped protruding portion having a pointed tip, the connecting portion of the connector is a concave portion into which the tip of the protruding terminal portion can be fitted, and the protruding terminal. The communication connection device according to claim 2, wherein the fitting connection is performed by a fitting operation of the portion into the concave portion. 4. A connector which is installed in an exchange for connecting a plurality of external communication lines and an intra-office communication line and has a plurality of communication line connection terminals to which the communication lines are respectively connected. And a predetermined number of the communication line connection terminals connected to the intra-office communication lines and the corresponding communication line connection terminals connected to the corresponding out-of-station communication lines by being mounted on the connector block. An arrester module having a board portion provided with a communication line contact for electrical connection and a surge protection element; and an earth terminal for grounding the communication line contact of the arrester module via the surge protection element; In the communication line connection device, a grounding contact for making a connection between the communication line contact and the ground terminal is provided on the substrate portion of the arrester module. Is provided, said ground terminal is a communication line connection device, characterized in that loaded in the in the connector block such that the grounding contact and the connection state in the mounted state of the arrester module. 5. The communication according to claim 4, wherein the ground terminal has an integral structure that is simultaneously connected to the ground contacts of all the arrester modules mounted on the connector block. Wire connection device. 6. The ground contact of the arrester module is disposed at a predetermined position on the board section, and the ground terminal is configured to control a ground contact portion of the board section when the arrester module is mounted on the connector block. 6. The communication line connection device according to claim 4, wherein the communication line connection device is configured to be held by the urging force.