JPS6321771A - Connector connecting device - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a connector connection used for connecting a cable having a plurality of core wires to a connector connected to an automatic telephone exchange or other electronic equipment. It's about the ingredients.

[Prior Art] In order to connect a cable having a plurality of core wires to an electronic device connector, as shown in FIG.
Pressing the core wire downward from above through the lid d,
The core wire bt must be mechanically and electrically connected to the connection terminal head e disposed on the top surface of the connector body C, and the excess core wire b' protruding from the connector body C must be cut off.

Conventionally, in order to perform this type of connection work, as shown in FIG. board f
is attached to the press g, and the core is pressed from above through the lid d to connect it to the connector, and then the excess core protruding from the connector body C is removed using a cutter for cutting the excess core provided separately. I was cutting line b'.

[Problems to be Solved by the Invention] In the conventional wire connection work described above, the three operations of aligning the core wires, suppressing the core wires, and cutting off the excess core wires are each performed in different steps using the desired equipment. Since the wire connection work took a long time, and the press was heavy (a kilogram - number of kilograms), it could not be used easily at work sites such as telephone line wiring, and it was a heavy burden on the workers. It had become.

SUMMARY OF THE INVENTION An object of the present invention is to eliminate such drawbacks of the conventional connectors and provide a simple connector and connection tool that is small, lightweight, and easy to use, and can perform all operations in one process using one device.

[Means for Solving the Problems] A connector termination tool according to the present invention for solving the above problems includes: a connector holding means for holding a connector; and a plurality of core wires aligned and engaged with the connector. a core wire alignment means; a core wire pressing means for pressing and connecting the core wires to the connector;
The present invention is characterized in that it is integrally provided with a core wire aligning means for cutting excess core wires protruding from the connector.

[Function] When the connector is held by the connector holding means, a plurality of core wires are aligned and engaged with the connector by the core wire alignment means, and the core wires are pressed against the connector by the core wire pressing means, the core wires are attached to the connector. While mechanically and electrically connected,
The excess core wires protruding from the connector are cut by the core wire alignment means.

[Embodiment] An embodiment of the present invention will be described based on FIGS. 1 to 4.

Figure 1 is a perspective view of the connector 2 and cable 3 set in the connector connection tool 1 of this embodiment, Figure 2 is a partial sectional view of the connector connection tool during operation, and Figure 3 is a side view when the operation is completed. FIG. 4 is a sectional view taken along the rV-IT line.

Reference numeral 11 denotes a semi-cylindrical plate-shaped base made of, for example, an aluminum alloy, and a column 12 is erected on the tip side of the base.
Connector holding means 4 for holding the connector 2 is located in the center of the
, Cable holding means 5 for holding the ends of the cables 3 are protruded from the base 11 on the sides thereof. Further, the vicinity of the central portion of the base 11 is formed narrowly to match the width of the connector holding means 4, and a fixed blade 6a for cutting the surplus core wire 31a is provided on the side surface of the narrow portion with the blade facing upward. A pair of comb teeth-like members 71 are disposed on both sides of the fixed blade 6a and the connector holding means 4.
A wire alignment means 7 is disposed for aligning a plurality of core wires 31 coming out of the cable 3 and engaging them with the connector 2.

The connector holding means 4 is formed with a connector storage chamber 41 into which the connector 2 is inserted and stored from above, and one side wall of the connector storage chamber 41 is formed by the fixed blade 6a. When the connector 2 is stored in the connector storage chamber 41, the connection terminal head 21 of the connector
protrudes slightly above the connector holding means 4 and the fixed blade 6a, so that the core wire 31 can be engaged with the connecting terminal head 21 from above.

In the cable holding means 5, a groove 51 having a U-shaped cross section into which the end of the cable 3 is inserted is formed from the side toward the inside, and a plate spring body is rotatably supported by a pin 52. 53 is arranged on the upper surface of the groove 51, so that the end of the cable 3 can be pressed and fixed into the groove 51 from above.

Further, the wire alignment means 7 is formed such that the height and spacing of the comb tooth-like members 71 match the arrangement of the connecting terminal heads 21 of the connector, and the comb tooth-like members 71 of the pair are 71
A plurality of core wires 31 are inserted between them.

When passed through, the core wires 31 are aligned and the connection terminal head 2
1, respectively.

8 is a core ff1 engaged with the connecting terminal head 21 of the connector.
31 from above, the cord pressing means 8 rotates downwardly a rotating arm 81 rotatably supported by the head of the support column 12. A swing piece 82 swingably provided on the swing arm 81 is pressed against the lid 22 of the connector.

That is, the swinging piece 82 is suspended from the lower end of the two-wood loft 8↓, which is vertically and retractably attached to a swing arm 83 that is rotatably supported by the swing arm 81.
Coil spring 8 inserted to surround rod 84
5 is biased downward. 86 is a collar arranged to surround the coil spring 85; 87 is a rod 8;
This is a C-ring attached to the head of No. 4 to prevent removal. A pressing body 88 integrally formed with the rotating arm 8 is disposed between the swing arm 83 and the swinging piece 82, and as shown in FIG. 81
There is a gap between the pressing body 88 and the swinging piece 82 when the swinging piece 82 is not fully lowered, but when the swinging piece 82 is rotated downward,
The coil spring 85 is compressed and the gap between the pressing body 88 and the swinging piece 82 gradually disappears, and finally, as shown in FIGS. Press the lid 22 downward.

Note that 89 is a shaft that is press-fitted into the rotating arm 81 and loosely inserted into the head of the column 12, and by tightening the screw 90 screwed into the column head toward the shaft 89, A resistance force is applied to the movement of the rotating arm 81, and the resistance force is adjusted by adjusting the tightening of the screw 90.

Reference numeral 6b denotes a movable blade that is fixed to the side surface of the pressing body 88 and rotates together with the rotary arm 81, and the blade formed on the lower side of the movable blade moves toward the side of the lid body 22 of the connector as the rotary arm 81 rotates. Pass through the section and descend. Then, the fixed blade 6
The core wire 31 is sandwiched between the core wire 31a and the core wire 31a, and the excess core wire 31a protruding from the connector 2 is cut off.The fixed blade 6a and the movable blade 6b form a core wire alignment means.

Next, the operation of the above embodiment will be explained.

First, as shown in FIG. 1, the rotating arm 81 is moved upward, and the connector main body 23 is stored in the connector storage chamber 41 of the connector holding means 4. Then, the end of the cable 3 is inserted into the groove 51 of the cable holding means 5, and the leaf spring body 53 is rotated above it to press and fix the end of the cable 3 into the groove 51. A plurality of core wires 31 pulled out from the wire are inserted between the comb tooth-shaped members 71 of the wire alignment means 7, and each core wire 31 is engaged with the connecting terminal head 21 of the connector, and Attach the lid 22 from above. The state at this time is shown in FIG.

Next, when the rotating arm 81 is rotated downward as shown in FIG. 2, the swinging piece 82 comes into contact with the cover body 22 of the connector, and when the rotating arm 81 is further rotated, the swing arm 83 is moved as appropriate. As it rotates, the coil spring 85 is appropriately compressed, and the swing piece 82 swings in a direction in which no excessive force is applied to the connector 2. On the other hand, if the swinging piece 82 swings excessively, the collar 86 will collide with the rotating arm 81 or the pressing body 88, and the swinging piece 82 will no longer swing.

At the same time, as shown in FIG.
According to the rotation, the surplus core wire 31a is successively sandwiched between the fixed blade 6a and the fixed blade 6a from the left side.

Cut along the side wall of connector 2.

Then, when the rotating arm 81 is roughly rotated downward,
As shown in FIGS. 3 and 4, a pressing body 88 formed integrally with the rotating arm 81 contacts the sliding side 82, and the lid 22 of the connector is pushed downward via the swinging piece 82. Pressed. As a result, the core wire 31 is pressed against the connection terminal head 22, and the core wire 31 and the connection terminal head 21 are mechanically and electrically connected. Further, at the same time, all of the surplus core wires 31a are cut along the side wall of the connector 2.

After the core wire 31 of the cable 3 is connected to the connector 2 in this way, the rotating arm 81 is returned upward and the leaf spring body 5
3 is moved from the upper surface of the groove 51 to remove the cable 3 and connector 2 from the binding tool 1, and the binding work is completed.

The fixed blade has a right-angled shape 8 as shown in Fig. 5.
a', or simply a plastic stand may be provided instead of the fixed blade.

[Effects of the Invention] According to the connector connection tool of the present invention, all operations such as connecting the connector and the core wire and cutting off the excess core wire can be performed in one process with one device, so the work time is shortened. It is simple and easy to use, and can be made small and lightweight (several hundred grams), so it can be easily used at the work site, and has the excellent effect of greatly improving the efficiency of wiring work. .

[Brief explanation of the drawing]

Fig. 1 is a perspective view of a connector and cable set in a connector connection tool according to an embodiment of the present invention, Fig. 2 is a partial cross-sectional view of the above embodiment during operation, and Fig. 3 is a similar view at the end of operation. A side sectional view, FIG. 4 is a sectional view taken along the TV-IV line,
FIG. 5 is a schematic diagram showing another example of a fixed blade, FIG. 6 is a perspective view of a connector and a cable, and FIG. 7 is a side view of a conventional connector connection tool. l...Connector connection tool, 2...Connector, 3...
Cable, 4... Connector holding means, 6a... Fixed blade, 6b... Moving blade, 7... Core wire alignment means, 8...
- Core wire pressing means, 31... Core wire, 31a... Surplus core wire, 41... Connector storage chamber, 71... Comb tooth-shaped member, 81... Arm, 82... Shaking Moving piece, 88...
Pressing body.

Claims (1)

[Claims] 1. A connector holding means for holding a connector, a wire alignment means for aligning and engaging a plurality of core wires with the connector, and a core wire for pressing and connecting the core wires to the connector. A connector connection tool characterized in that a pressing means and a core wire cutting means for cutting excess core wire protruding from the connector are integrally provided. 2. The core wire pressing means includes a rotating arm that is rotatably provided with respect to the connector holding means, and a swinging piece that is swingably provided on the rotating arm and contacts the connector;
The connector connection tool according to claim 1, further comprising a pressing body integrally formed with the rotating arm and pressing the swinging piece against the connector. 3. The connector connection tool according to claim 1, wherein a part of the wire cutting means forms a side wall of the connector holding means.