JPH06215634A - Connector cable with signal line switching function - Google Patents

Abstract

PURPOSE:To provide a connector cable with an excellent signal line switching function, which is applicable to both straight specifications and cross specifications. CONSTITUTION:A slide type connector is constituted of a cable connecting part 2, a connection terminal part 3 and a fitting part 4. The connection terminal part 3 is constituted of a connection terminal part 3 of straight specifications and a connection terminal part 3B of cross specifications, and a slide hole 3a lying on both parts 3A, 3B is bored at the center. At the center between the cable connecting part 2 and the fitting part 4 a coupling shaft 1a foe connecting both members is provided. The connection terminal part 3 engages the slide hole 3a with the coupling shaft 1a so as to be held between the cable connecting part 2 and the fitting part 4. The connection terminal part 3 is slid as shown by an arrow 100, thereby switching a connector part 1 to either straight specifications or cross specifications.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an OA cable, more specifically, an interface between systems, for example, DTE / DCE (DTE: Data T) in the OSI reference model physical layer.
erminal Equipment, DCE: Data Circuit terminatin
g Equipment) Cables with connectors used for interfaces, etc.

[0002]

2. Description of the Related Art Conventionally, a standard has been standardized for an interface between DTE and DCE, and a DTE having a form corresponding to the standard
A connecting cable for DCE-DCE is commercially available. These are cables that connect signal lines in a straight line according to the connector shape specified in the standard. On the other hand, D without going through DCE
When connecting TEs together, a cable that intersects the feed and the receiver must be used, and this cannot be used directly. Therefore, when it is necessary, DTE
It corresponded by separately preparing a cross cable that can connect the comrades.

[0003]

DISCLOSURE OF THE INVENTION For example, newly developed D
When testing TE, it was necessary to connect DTE comrades directly without going through DCE. In such a case, in addition to the standardized straight specification cable,
I had to prepare a dedicated cross specification cable that could connect DTE comrades. And the connection partner is DTE
When switching to / DCE, the cable had to be replaced each time, and both had to be used properly.

In order to eliminate the above-mentioned problems in the prior art, it is an object of the present invention to provide a connector cable with an excellent signal line switching function, which is compatible with both straight specifications and cross specifications.

[0005]

In order to solve the above-mentioned problems, the present invention provides a connector cable with a signal line switching function, which is connected between devices and relays signals exchanged between the devices. Which is detachably connectable to the connector of (1) and has a plurality of signal terminals connected to a plurality of signal terminals on the device side when connected, and a cross for crossing a predetermined signal exchanged between the devices. It has a connection terminal part including a specification connection terminal part and a straight specification connection terminal part for sending a predetermined signal as it is, and the connection terminal part is connected to the fitting part, and a cross specification connection terminal part and a straight specification connection terminal part. Signals are exchanged between the devices via any of the connection terminals.

[0006]

According to the present invention, in the case where signals are exchanged straight between devices, a straight specification connection terminal portion is connected to the fitting means. Further, in the case where signals are exchanged between the devices, a cross-specification connection terminal portion is connected to the fitting means.

[0007]

Embodiments of the connector cable with a signal line switching function according to the present invention will now be described in detail with reference to the accompanying drawings.

1 and 2 show a slide type connector as an embodiment of a connector cable with a signal line switching function according to the present invention. FIG. 1 is a perspective view of this slide type connector 1. As shown in the figure, this slide type connector is composed of a cable connecting portion 2, a connecting terminal portion 3 and a fitting portion 4. The connection terminal portion 3 includes a straight specification connection terminal portion 3A and a cross specification connection terminal portion 3
As shown in FIG. 2, the two parts 3A,
A slide hole 3a that hangs on 3B is formed.

A connecting shaft 1a connecting the two members is provided at the center of the cable connecting portion 2 and the fitting portion 4, and the connecting terminal portion 3 engages the slide hole 3a with the connecting shaft 1a so as to connect to the cable connecting portion 2. It is supposed to be sandwiched between the fitting portions 4. An arrow 100 shown in FIG. 1 indicates a sliding direction of the connection terminal portion 3 in this region, and the sliding of the connection terminal portion 3 switches the connector portion 1 to a straight or cross specification.

For example, in the case of a 25-pin standard D-sub connector often used for the RS232C interface, both the straight specification connecting terminal 5A and the cross specification connecting terminal 5B shown in FIG. 2 have 25 contacts.
Therefore, as shown in FIG.
When A is connected to the cable connecting portion 2 and the fitting portion 4, the signal line is connected straight and can be used as a straight type cable. Further, when the cross specification connection terminal portion 3B is slid and connected, the signal line between the cable connection portion 2 and the fitting portion 4 is crossed and can be used as a cross specification cable.

FIGS. 3 and 4 show a rotary connector as an embodiment of a multifunction cable with a connector according to the present invention.

FIG. 3 is a perspective view of the rotary connector 11, which also has a cable connecting portion 12 and a connecting terminal portion 1.
3 and the fitting portion 14. Connection terminal part 13
Is constituted by a side-by-side connection of a straight specification connecting terminal portion 13A and a cross specification connecting terminal portion 13B.

FIG. 4 is a perspective view of the connection terminal portion 13, but a shaft hole 13a is provided at the center of the joint surface. A connecting shaft 1 connecting the cable connecting portion 12 and the fitting portion 14 in FIG.
1a is in axial contact with the shaft hole 13a of the body portion 13, and the connection terminal portion 1
3 is sandwiched between the cable connecting portion 12 and the fitting portion 14. An arc arrow 110 in FIG. 3 indicates the rotation direction of the connection terminal portion 13, and the rotation in this area of the connection terminal portion 13 switches the straight specification or the cross specification.

The pin standard used for this rotary type is the same as that of the above embodiment, and the straight specification connecting terminal 5A and the cross specification connecting terminal 5B are used. Therefore, FIG. 3 shows a state in which the straight specification connecting terminal portion 13A of the connecting terminal portion 13 is connected to the cable connecting portion 12 and the fitting portion 14, and a signal between the cable connecting portion 12 and the fitting portion 14 is shown. The lines are straight. On the other hand, the connection terminal portion 1
When 3 is rotated to connect the cross specification connection terminal portion 13B, the signal line between the cable connection portion 12 and the fitting portion 14 is crossed to form a cross specification cable.

1 and 3, the fitting portion, the connecting terminal portion and the cable connecting portion are shown to be connected to each other at a predetermined interval, but in reality, these are electrically connected during use. Must be connected to. For this reason, each terminal of the connection terminal portion is configured to be connected to each terminal of the fitting portion and each terminal of the cable connecting portion when used. Although various structures can be considered, for example, a fitting type may be used, or a bearing structure in which each terminal of the connection terminal portion is biased by a spring may be used.

FIG. 5 and FIG. 6 show a folding type connector of a transform type as an embodiment of the multifunction cable with a connector according to the present invention. FIG. 5 is a perspective view of the foldable connector 21, which also includes a cable connection portion 22, a connection terminal portion 23, and a fitting portion 24. However, one of the features is that the cable connection portion 22 and the connection terminal portion 23 are connected and integrally formed. Then, as shown in FIG. 6, the connection terminals of two specifications in one connection terminal portion 23 are respectively provided in the connection terminal portion 23A on the tip end surface of the connection terminal portion 23 and the connection terminal portion 23B on the lower side surface.

A rotary shaft 23a is provided on the side surface of the connection terminal portion 23, and the fitting portion 24 located at the tip of the connection terminal portion 23.
Engages the engaging piece 24a with the rotary shaft 23a of the connection terminal portion 23. As a result, the fitting portion 24 is rotatable about the rotation shaft 23a in the direction of arrow 120 at a substantially right angle.
Then, by this rotation, the connection terminal portion 23A provided on the connection terminal portion 23 or the side connection terminal portion 23B is connected.

This bendable connector also adopts the same pin standard as that of the above embodiment, and uses the straight specification connecting terminal 5A and the cross specification connecting terminal 5B. Therefore, if the fitting portion 24 is connected to the tip end surface of the connection terminal portion 23 as shown by the solid line in FIG. 5, a straight specification cable state is obtained. On the other hand, when the fitting portion 24 is bent downward as indicated by an imaginary line, the cable changes to a cross specification cable.

Although the embodiments of the present invention have been described in detail above, the slide-type connector 1 has a simple structure and is easy to manufacture if each of them has the same function and further has respective advantages. The rotary connector 11 does not have an extreme protrusion and has a good appearance, and in the case of the bendable connector 21, it is possible to judge at first glance what the specifications are.

The present invention is not limited to these embodiments and can be carried out regardless of the shape of the connector or the number of pins.

[0021]

According to the present invention, it is possible to selectively use both straight specification and cross specification with a single cable. Therefore, the cable for interfacing the system such as the DTE / DCE interface can be prepared with a single cable, and conventionally, the straight specification cable and the cross specification cable are prepared, and they are replaced each time to cope with them. It will save you time. Further, the connector-equipped multifunctional cable according to the present invention is expected to be applied not only to the connector for the DTE / DCE interface but also to other uses.

[Brief description of drawings]

FIG. 1 is a perspective view of a slide type connector which is an embodiment of a multifunction cable with a connector according to the present invention.

FIG. 2 is a perspective view of a slide connection terminal portion of FIG.

FIG. 3 is a perspective view of a rotary connector that is an embodiment of a multifunction cable with a connector according to the present invention.

FIG. 4 is a perspective view of the rotary connection terminal portion of FIG.

FIG. 5 is a perspective view of a bendable connector that is an embodiment of a multifunction cable with a connector according to the present invention.

FIG. 6 is a perspective view of the bendable connector connection terminal portion of FIG.

[Explanation of symbols]

 1 Sliding connector 2,12,22 Cable connection part 3,13,23 Connection terminal part 4,14,24 Fitting part 5A Straight specification terminal 5B Cross specification terminal 6 Cable 11 Rotary connector 21 Folding connector 3A, 13A, 23A Straight specification connecting terminal section 3B, 13B, 23B Cross specification connecting terminal section 1a, 11a Connecting shaft 23a Rotating shaft

Claims (4)

[Claims] 1. A connector cable with a signal line switching function, which is connected between devices and relays signals exchanged between the devices, wherein the connector cable is detachably connectable to the connector on the device side. A fitting means having a plurality of signal terminals connected to a plurality of signal terminals on the device side, a cross-type connection terminal portion for intersecting a predetermined signal exchanged between the devices, and the predetermined signal are sent as they are. And a connection terminal means including a straight specification connection terminal portion, wherein the connection terminal means is connected to the fitting means, via one of the cross specification connection terminal portion and the straight specification connection terminal portion. A connector cable with a signal line switching function, wherein signals are exchanged between the devices. 2. The connector cable with a signal line switching function according to claim 1, wherein the connection terminal means is slidably attached to the fitting means, and the connection terminal means is slid so that the cross specification A connector cable with a signal line switching function, characterized in that either the connection terminal portion or the straight specification connection terminal portion is connected to the fitting means. 3. The connector cable with a signal line switching function according to claim 1, wherein the connection terminal means is rotatably attached to the fitting means, and the connection terminal means is rotated to rotate the cross terminal. A connector cable with a signal line switching function, characterized in that either the specification connection terminal section or the straight specification connection terminal section is connected to the fitting means. 4. The connector cable with a signal line switching function according to claim 1, wherein the connection terminal means has a cross specification connection terminal portion on a first surface and a straight specification connection terminal portion on a second surface. And the fitting means is rotatably attached to the connection terminal means, and the fitting means is rotated to be connected to either the first surface or the second surface. Connector cable with signal line switching function.