JPH0366785B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a connector used for seamless connection of non-telephone digital lines.

[Problems to be Solved by the Invention] When switching non-telephone lines, if you simply make multiple connections and switch as with conventional telephone lines, the impedance of the line changes suddenly and the digital signal There is a risk that error bits may occur.

Therefore, to prevent this from happening, the following new switching method has been developed.

[Description of new switching method] (Fig. 12) (1) Multi-connect the switching core wire 20 in which the low resistance 12 and the high resistance 22 are inserted in series to the current core wire 10.

(2) Cut the current core wire 10 at the switching point 14.

(3) Decrease the value of the high resistance 22 and increase the value of the low resistance 12 at the same time.

In this way, the flow of the transmission signal can be switched from the working core 10 to the switching core 20 without causing a code error.

(4) After that, the current core wire 10 and the switching core wire 20 are connected, and each of the resistors 12 and 22 is removed to complete the switching.

By the way, in order to carry out the above construction method, it is necessary to connect and disconnect one core wire at many points, and as the number of core wires increases, the work becomes more difficult.

An object of the present invention is to provide a connector that can efficiently carry out the above switching method.

[Means for Solving the Problems] As shown in FIGS. 1 to 3, this connector consists of: (1) a pair of connector halves 30A and 30B that can be detachably combined, and each of the connector halves Both 30A and 30B are formed by bending a substantially rectangular metal plate into an L shape.
The L-shaped conductors 34A, 34B are buried in the main body 32, and the upper ends of the vertically rising portions of the L-shaped conductors 34A, 34B protrude above the main body 32 to form a contact 36 having a groove 38 for connecting the conductors. (2) The tips of the horizontal portions of the L-shaped conductors 34A and 34B also protrude from the side surface of the main body 32 to form engagement contacts 40A and 40B that engage with each other; (2) These engagement contacts 40A, 40B;
The tip part is divided into three contact pieces 44A, 44B, contact pieces 46A, 46B, and contact pieces 48A, 48B by two slits 42, and the tip of the center contact piece 46A of one engagement contact 40A is directed upward. The tips of the contact pieces 44A and 48A on both sides curve downward, and the tips of the center contact piece 46B of the other engaging contact 40B curve downward, and the tips of the contact pieces 44B and 48B on both sides curve upward. (3) When the engaging contacts 40A and 40B are engaged, the conductor connecting groove 38 is located on a straight line parallel to an imaginary straight line passing through their centers. It is characterized by:

[Detailed Description] (Figs. 1 to 3) The connector halves 30A and 30B are almost the same. Therefore, one half of the connector 30A will be described, and only the different part 30B will be described.

The main body 32 is a substantially cubic insulator in which L-shaped conductors 34A and 34B are embedded.

The tips of the vertically rising portions of the L-shaped conductors 34A and 34B form contacts 36. That is, a groove 38 having a width slightly narrower than the conductor of the core wire to be connected is provided therein, and when the core wire is pushed into the groove, the coating is torn and the conductor is connected.

The groove 38 is located at the following position, that is, when the engagement contacts 40A and 40B are engaged, the connector half 3
When 0A and 30B are combined, they are provided at positions where they are lined up on a straight line parallel to an imaginary straight line passing through their centers.

Note that the vertical direction and horizontal direction refer to FIGS. 1 to 3.

Further, the tips of the horizontal portions of the L-shaped conductors 34A and 34B also protrude from the side surface of the main body 32,
Engagement contacts 40 that are removably engaged with each other
A, contact 40B is formed.

That is, both of these engaging contacts 40A and 40B are divided into three contact pieces 44A, 44B, contact pieces 46A, 46B, and contact pieces 48A, 48B by two slits 42 at their tip ends.

The tip of the center contact piece 46A of one engagement contact 40A is curved upward, and the tips of the contact pieces 44A and 48A on both sides are curved downward.

In addition, on the contrary, the other engaging contact 4
The tip of the center contact piece 46B of 0B is curved downward, and the tips of the contact pieces 44B and 48B on both sides are curved upward.

Therefore, when the engaging contacts 40A and 40B are opposed to each other and engaged with each other (FIG. 3),
Since the tip of the contact piece 46A is curved upward and the tip of the contact piece 46B is curved downward, the contact piece 46 naturally curves.
A rides on the contact piece 46B and pushes the contact piece 46B downward.

At the same time, in the same way, contact pieces 44A and 48A are
It naturally goes under the contact pieces 44B and 48B and pushes the contact pieces 44B and 48B upward.

Therefore, the engagement contacts 40A and 40B maintain very good electrical contact due to the action of their own springs.

It can also be separated by pulling it left and right.

Further, normally, both the connector halves 30A and 30B are of a multiple type in which a large number of connector halves are arranged in a direction perpendicular to the plane of the paper in FIG.

Reference numeral 50, also shown in FIG. 3, is an adapter used auxiliary at the time of switching connection.

This protrudes a contact piece 54 below the insulator 52,
It is adapted to mate with the contact 36 (see FIG. 2). Upper part 56 of contact piece 54
A lead wire 60 is connected to. 58 is a cap.

[How to use] (FIGS. 4 to 8) A method of performing the above-mentioned new switching using the above-mentioned connector will be explained for only one side of the switching (corresponding to the left half of FIG. 12).

The same thing is done on the opposite side at the same time and in synchronization.

(1) As shown in FIG. 3, combine the connector halves 30A and 30B, and as shown in FIG. 4, attach them to the current core wire 10 with the switching point 14 in the center. Note that 49 in FIG. 3 is a cap.

(2) As shown in FIG. 5, attach another connector 30B' to the switching core wire 20.

Then, using the adapter 50, connect the low resistance 12
between the connector halves 30A, 30B and each contact 36, and the high resistance 22 between the connector halves 30A, 30B and each contact 36.
Each is connected between each contact 36 of 0A and 30B'.

(3) Cut the current core wire 10 at the switching point 14, and separate the connector halves 30A and 30B as shown in FIG.

Then, as described above, the resistance value of the high resistance 22 is lowered, and at the same time the resistance value of the low resistance 12 is increased.

(4) As shown in Figure 7, connector halves 30A and 30
B' and remove each adapter 50, the switching is completed (FIG. 8).

Note that any switching clip may be used instead of the dedicated adapter 50 as described above.

[Another method of use] (Figures 9 to 11) In the above method, instead of the connector half 30B attached to the current core wire 10 to be removed after switching,
This method uses a known switching connection holder 60 (or any other suitable alligator clip).

The rest is the same as above, but to briefly explain: (1) Attach the connector half 30A and the connection holder 60 to the current core wire 10 (Fig. 9), (2) Cut at the switching point 14. (Fig. 10), (3) Connect the connector half 30B' attached to the switching core wire 20 to the connector half 30A (Fig. 11), and (4) remove each adapter 50 to complete the process. (Figure 8)
That is.

By doing so, in the above method, it is possible to eliminate waste of the connector half 30B that was discarded after the switching is completed, and it is also possible to reduce the number of connectors used.

Note that the connection holder 60 can be used repeatedly as a tool.

[Effects of the invention] (1) A pair of connector halves 30A and 30B are detachably combined; each of the connector halves 3
In both 0A and 30B, L-shaped conductors 34A and 34B formed by bending a substantially rectangular metal plate into an L-shape are embedded in the main body 32;
The upper end of the vertically rising part of A, 34B is
A contact 36 is formed which protrudes onto the main body 32 and has a groove 38 for connecting a conductor;
The ends of the horizontal portions of the shaped conductors 34A, 34B also protrude from the side surface of the main body 32, forming engagement contacts 40A, 40B that engage with each other, so that the pair of connector halves 30A,
B can be easily combined, separated, and recombined with different radii.

Therefore, the instantaneous disconnection switching connection method for non-telephone digital lines can be implemented efficiently and without fail.

(2) When making a connection without instantaneous interruption, as shown in Figures 3 and 4, it is necessary to connect the working core wire 10 to the combined connector halves with the switching point in the center. Sometimes, the core wire 10 is
It is preferable for the work to be parallel to the center line of the contacts 40A and 40B to be engaged (since many connectors are arranged in parallel, if the connectors are bent, it is not preferable for organizing the core wires), but the present invention In , a pair of connector halves 30
When the engaging contacts 40A and 40B of A and 30B are engaged, the conductor connecting groove 38 is located on a straight line parallel to an imaginary straight line passing through their centers. The above requirements are met simply by press-fitting into the groove.

Therefore, the disconnectionless switching and connection work can be performed efficiently and in an orderly manner.

(3) Both of the engagement contacts 40A and 40B have three contact pieces 4 at their tips with two slits 42.
4A, 44B, contact pieces 46A, 46B, and contact pieces 48A, 48B, and the tip of the center contact piece 46A of one connector half 30A is curved upward, and the contact pieces 44A and 48 on both sides are
The tip of A is curved downward, and the tip of the center contact piece 46B of the other engaging contact 40B is curved downward, and the tip of contact piece 44B and 48B on both sides is curved downward.
The tips of the two are curved upwards, so if you place them facing each other as shown above,
When mated together (Fig. 3), the contact piece 46A
Since the tip of the contact piece 46B is curved upward and the tip of the contact piece 46B is curved downward, the contact piece 46A naturally rides on the contact piece 46B and pushes the contact piece 46B downward. At the same time, in the same way, contact pieces 44A and 48A
naturally enters under the contact pieces 44B and 48B and pushes the contact pieces 44B and 48B upward.

Therefore, the engagement contacts 40A and 40B maintain very good electrical contact due to the action of their own springs.

[Brief explanation of drawings]

1 to 3 relate to embodiments of the present invention,
FIG. 1 is an explanatory diagram showing a longitudinal section. Fig. 2 is a perspective view of the L-shaped conductor 34, Fig. 3 is an explanatory diagram showing the adapter 50 in a coupled state, and Figs. 4 to 8 show the switching method using the connector of the present invention in the order of steps. Explanatory diagrams, FIGS. 9 to 11 are explanatory diagrams showing another switching method using the connector of the present invention in the order of steps,
FIG. 12 is a general explanatory diagram of the new switching method. 10: Current core wire, 14: Switching point, 20: Switching core wire, 12: Resistance (changes from low to high), 22: Resistance (changes from high to low), 30A, B: Connector half,
32: Main body, 34: L-shaped conductor, 36: Contact, 38: Groove, 40A, B: Engagement contact, 5
0: Adapter.

Claims (1)

[Claims] 1 A pair of connector halves 30A and 30B are detachably assembled; each of the connector halves 30
In both A and 30B, the main body 3 has L-shaped conductors 34A and 34B formed by bending a substantially rectangular metal plate into an L shape.
2; the L-shaped conductors 34A, 34
The upper end of the vertically rising portion of B projects above the main body 32 and forms a contact 36 having a groove 38 for connecting the conductor; the L-shaped conductor 34A,
The ends of the horizontal portions 34B also protrude from the side surface of the main body 32, and engage contacts 40 that engage with each other.
A, 40B are constructed, and these engaging contacts are divided into three contact pieces 44A, 44B, contact pieces 46A, 46B, and contact pieces 48A, 48B by two slits 42 at the tip end, and one of the engagement contacts The tip of the center contact piece 46A of the mating contact 40A is curved upward, and the tip of the contact piece 44A and 48 on both sides
The tip of A is curved downward, the tip of the center contact piece 46B of the other engaging contact 40B is curved downward, and the tips of the contact pieces 44B and 48B on both sides are curved upward; Engagement contacts 40 of connector halves 30A and 30B of
When A and 40B are engaged, the conductor connection groove 3 is located on a straight line parallel to the virtual straight line passing through their centers.
8. A connector for seamless switching connection of a digital line, characterized in that the connector is configured such that the number 8 is located.