JPH02201883A - Coaxial cable connecting device - Google Patents

Abstract

PURPOSE:To achieve enhanced workability and reduced cost even with an increased number of connections by inserting a cap at a tip of a coaxial cable into a cable insertion port and connecting it to a cable connecting port. CONSTITUTION:With an internal conductor 41 and an external conductor 42 exposed at an edge of a coaxial cable 4, a cap 6 is attached to the cable 4, the inserted via a cable insertion port 13 of a wiring device case 11 to connect it to a cable connecting port 14 of a base board case 12. Subsequently, it is fixed at the insertion port 13 for proper connection. The cap 6 consists of a conducting metal tube and is in contact with the external conductor 42 and the ground of the case 12. The cable 4 is fixed at the insertion port 13 so that it is fixed at both the insertion port 13 and the connecting port 14.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a coaxial cable connecting device for connecting a coaxial cable to a wiring device without using a connector.

[Prior Art] FIGS. 4 and 5 show a conventional example of a connection device between a coaxial cable and a node wiring device. FIG. 4 shows the state before connection, and FIG. 5 shows the state after connection.

The node wiring device 1 includes a plurality of connectors 2.

When connecting the coaxial cable 4 to each connector 2,
First, as shown in FIG. 4, the inner conductor 41 and outer conductor 42 are exposed from the end of the coaxial cable 4, and the end of the coaxial cable 4 is inserted into the plug-shaped connector 3, and tightened by the ring 5. The coaxial cable 4 and the connector 3 are tightened and fixed, and then the connector 3 of the coaxial cable 4 is connected to the connector 2 of the node wiring device 1, as shown in FIG. As a result, one coaxial cable 4 is connected to the connector 2 of the node wiring device 1. For the other connector 2,
Similarly, one coaxial cable 4 (not shown) is connected, and the coaxial cable 4 is branched.

[Problems to be Solved by the Invention] In the above-mentioned conventional example, in order to connect one coaxial cable 4, one connector 2 and 3 are required for each of the coaxial cable 4 and the node wiring device 1. As the number of coaxial cables 4 and the number of node wiring devices 1 to be connected increases, the number of required connectors 2.3 also increases.
There is a problem that costs increase. Furthermore, in this method, it takes a lot of effort to attach the connector 3 to the end of the coaxial cable 4, so there is a big problem in terms of workability.

The present invention has been made in view of these points, and its purpose is to provide a coaxial cable connecting device that has good workability and that does not increase cost even when the number of connections increases. It is in.

[Means for Solving the Problems] In the present invention, in order to solve the above problems, the first
As shown in the figure, a board case 12 is placed inside the wiring device case 11.
In a device for connecting a coaxial cable 4 to a node wiring device having Attach the cap 6 to the end and insert the cap 6 into the cable insertion port 13.
It is characterized in that it is inserted into the cable connection port 14 and connected to the cable connection port 14.

[Function] With this configuration, the coaxial cable 4 can be connected to the node wiring device 1 without using the connector 2.3 as in the conventional example. Moreover, in the conventional example, the coaxial cable 4 was fixed to the node wiring device 1 at one point at the connection part of the connector 2゜3, but in the present invention, it is fixed at two points, the cable insertion port 13 and the cable connection port 14. By fixing it, the support of the coaxial cable 4 can be stabilized.

[Embodiment] FIG. 1 is a partially transparent perspective view of an embodiment of the present invention, FIG. 2 is a plan view thereof, and FIG. 3 is a plan view after connection. A wiring device case 11 of the node wiring device 1 houses a board case 12 in which a branch circuit is mounted. The wiring device case 11 is provided with a plurality of cable insertion ports 13, and the board case 12 is provided with a cable connection port 14 corresponding to each cable insertion port 13.

The cap 6 is made of a hollow cylindrical metal tube, and has a large diameter part and a small diameter part along the longitudinal direction. The inner diameter of the large diameter portion is approximately equal to the outer diameter of the outer sheath of the coaxial cable 4, and the inner diameter of the narrow diameter portion is approximately equal to the outer diameter of the outer conductor 42 of the coaxial cable 4. Further, the outer diameter of the narrow diameter portion is approximately equal to the inner diameter of the cable connection port 14 .

When connecting the coaxial cable 4, first, as shown in FIG.
, insert the coaxial cable 4 with the cap 6 attached through the coupler insertion port 13 of the wiring device case 11, connect it to the cable connection port 14 of the circuit board case 12, and fix it at the cable insertion port 13, as shown in FIG. Connect as shown. The cap 6 is made of a conductive metal tube and is in contact with the outer conductor 42 of the coaxial cable 4 and the ground of the board case 12. By fixing the coaxial cable 4 at the cable insertion port 13, the coaxial cable 4 can be fixed at two points: the couple insertion port 13 and the cable connection port 14.
Furthermore, without using connectors 2 and 3 as in the conventional example,
The coaxial cable 4 and the node wiring device 1 can be connected.

Note that by preparing multiple types of caps 6 with different diameters, it is possible to accommodate coaxial cables 4 with different outer diameters.

[Effects of the Invention] As described above, in the connection device of the present invention, the wiring device case is provided with a cable insertion port, the board case is provided with a cable connection port corresponding to the cable insertion port, and the end of the coaxial cable is provided with a cap. Since the cap is inserted into the coupler insertion port and connected to the cable connection port, the coaxial cable can be fixed at two points, the cable insertion port and the cable connection port, and the coaxial cable can be fixed at two points: the cable insertion port and the cable connection port. This has the effect of stabilizing the support and improving connection performance.Also, it is possible to connect the coaxial cable and wiring device without using the conventional connector, so even if the number of connections increases, This has the effect of reducing cost increases, and furthermore, since a cap is used which is much easier to install than a connector, it has the effect of improving workability.

Note that by using a conductive metal for the cap, the outer conductor of the coaxial cable and the ground of the board case can be electrically connected. Furthermore, by using a plurality of caps with different outer diameters, it is possible to handle coaxial cables with different diameters.

[Brief explanation of the drawing]

FIG. 1 is a partially transparent perspective view of one embodiment of the present invention, FIG. 2 is a partially transparent plan view of the same, FIG. 3 is a partially transparent plan view showing the state after connection of the same, and FIG. 4 is a conventional FIG. 5 is a plan view showing the connecting device, and FIG. 5 is a plan view showing the state after connection of the same as above. 1 is a node wiring device, 4 is a coaxial cable, 6 is a cap,
11 is a wiring device case, 12 is a board case, 13 is a cable insertion port, and 14 is a cable connection port.

Claims (1)

[Claims] (1) In a device for connecting a coaxial cable to a wiring device that has a board case inside the wiring device case, a cable insertion port is provided in the wiring device case, a cable connection port corresponding to the cable insertion port is provided in the board case, and the coaxial cable A coaxial cable connection device characterized in that a cap is attached to an end of the coaxial cable, the cap is inserted into a cable insertion port, and is connected to a cable connection port.