JPH0211988B2 - - Google Patents

Description

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

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

Conventionally, in order to perform this type of connection work, as shown in FIG. The plate f was attached to a press machine g, and the core wire b was pressed from above through the lid d to connect it to the connector, and then a separately provided cutter for cutting the excess core wire was used to protrude from the connector body c. The surplus core wire b′ was cut.

[Problems to be Solved by the Invention] In the conventional wire connection work described above, the three operations of aligning the core wires, pressing the core wires, and cutting the excess core wires were each performed in different steps using different devices. It takes time to connect the wires, and the press machine is heavy (several kilograms to over 10 kilograms), so it cannot be easily used at work sites such as telephone line wiring, creating a heavy burden on workers. .

This invention eliminates such drawbacks of the conventional
To provide a simple connector connection tool that is small and lightweight, easy to use, and capable of performing all operations in one process with one device.

[Means for Solving the Problems] A connector connection tool according to the present invention for solving the above problems has the following features: a plurality of connection terminals for connecting each core wire of the cable are provided on the top surface; Connector holding means for holding a connector provided with a lid body;
A core wire alignment means for aligning each of the core wires and engaging the plurality of connection terminals, a rotating arm rotatably provided with respect to the connector holding means, and an excess core protruding from the connector. a wire cutting means for sequentially cutting the wire by rotating the rotating arm; and a wire cutting means contacting the upper surface of the lid placed on the connection terminal while sequentially cutting the excess wire. a rocking piece that is swingably provided on the rotating arm, a biasing means that biases the swinging piece in a direction to press the swinging piece against the lid, and a rocking piece that is swingably provided on the rotating arm; The device may further include a pressing body provided on the rotating arm to press the swinging piece against the lid.

[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. At the same time as the mechanical and electrical connection is made, the excess core wire protruding from the connector is cut by the core wire cutting means.

At this time, the core wire cutting means sequentially cuts the excess core wires one by one by rotating the rotating arm. During the cutting operation, the swinging piece contacts the top surface of the lid placed on the top surface of the connector while changing its direction, and is pressed against the lid by the biasing means.

Then, when you rotate the rotating arm all the way,
The pressing body presses the swinging piece against the lid, and all operations of wire connection, excess core wire cutting, and lid attachment are completed.

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

FIG. 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 in operation;
FIG. 3 is a side cross-sectional view at the end of the operation, and FIG. 4 is a cross-sectional view taken along the - line.

Reference numeral 11 denotes a semi-cylindrical plate-shaped base made of, for example, an aluminum alloy, with a column 12 erected on the tip side thereof, a connector holding means 4 for holding the connector 2 in the center of the base 11, and connector holding means 4 on the sides thereof. , cable holding means 5 for holding the ends of the cables 3 are respectively provided protrudingly provided on the base 11. Also, base 1
The vicinity of the central portion of the connector holding means 4 is formed to have a narrow width in accordance with the width of the connector holding means 4, and a fixed blade 6a for cutting the surplus core wire 31a is disposed on the side surface of the narrow portion with the blade facing upward. A pair of comb tooth-like members 71 are provided on both sides of the fixed blade 6a and the connector holding means 4, and the plurality of core wires 31 coming out of the cable 3 are aligned and engaged with the connector 2. A core wire aligning means 7 is provided for aligning the core wires.

A connector storage chamber 41 into which the connector 2 is inserted and stored from above is formed in the connector holding means 4, 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 2 provided on the top surface of the connector 2
1 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, and the end of the cable 3 is inserted into the groove 51 from above.
It can be fixed by pressing inside.

Further, the wire alignment means 7 is formed such that the height and spacing of the comb teeth-like members 71 match the arrangement of the connecting terminal heads 21 of the connector, and the pair of comb-tooth members 71 When a plurality of core wires 31 are inserted between them, the core wires 31 are aligned and engaged with the connection terminal head 21, respectively.

Reference numeral 8 indicates a wire pressing means for pressing the wire 31 engaged with the connecting terminal head 21 of the connector from above. This core wire pressing means 8 is formed by rotating a swing arm 81 rotatably supported on the head of the support column 12 downward. 82 is pressed against the lid 22 placed on the connection terminal 21 on the top surface of the connector.

That is, the swinging piece 82 is suspended from the lower ends of two rods 84 that are vertically attached to a swing arm 83 rotatably supported by a swing arm 81 so as to be able to move back and forth. A coil spring 85 inserted so as to surround the cover body 22 is biased downward, that is, in a direction in which it is pressed against the upper surface of the lid body 22 . 86 is a collar disposed to surround the coil spring 85, and 87 is a C-ring attached to the head of the rod 84 to prevent it from coming off. Between the swing arm 83 and the swing piece 82, a pressing body 88 is formed integrally with the swing arm 81.
are arranged, as shown in Figure 1 or Figure 2.
When the rotating arm 81 is not fully lowered, there is a gap between the pressing body 88 and the swinging piece 82, but when the swinging piece 82 is rotated downward, the coil spring 88
5 is compressed, the gap between the pressing body 88 and the swinging piece 82 gradually disappears, and finally, as shown in FIGS. Press the body 22 downward.

Note that 89 is press-fitted into the rotating arm 81 and is connected to the support column 12.
This is a shaft loosely inserted into the head of the column, and by tightening the screw 90 screwed into the head of the column toward the shaft 89, it provides resistance to the movement of the rotating arm 81. The resistance force can be adjusted by tightening 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 moves the cover body 22 of the connector as the rotary arm 81 rotates. It passes through the side of the road and descends. A core wire 31 is provided between the fixed blade 6a and the fixed blade 6a.
Surplus core wire 3 protruding from connector 2 with
The fixed blade 6a and the movable blade 6b form a core wire cutting 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, insert the end of the cable 3 into the groove 51 of the cable holding means 5, and place the leaf spring body 5 above it.
3 to press and fix the end of the cable 3 into the groove 51. Next, the plurality of core wires 31 drawn out from the cable 3 are inserted between the comb teeth-like members 71 of the core wire alignment means 7, and each core wire 31 is engaged with the connection terminal head 21 of the connector. , attach the lid 22 from above. The state at this time is shown in FIG.

Then, as shown in FIG.
When rotated downward, the swinging piece 82 comes into contact with the top surface of the lid 22 of the connector, and the swinging arm 81
When the connector 2 is rotated, the swing arm 83 rotates as appropriate, the coil spring 85 is compressed as appropriate, and the swing piece 82 swings in a direction in which no excessive force is applied to the connector 2. In this manner, while the rotating arm 81 is rotating, the swinging body 82 is urged by the coil spring 85 and pressed against the upper surface of the lid 22. Therefore, the lid body 22 does not shift or come off from the connector 2 during the rotation operation of the rotation arm 81 (that is, while cutting the excess core wire 31a). On the other hand, if the swinging piece 82 swings excessively, the collar 86 will move against the swinging arm 81 or the pressing body 88.
, and the swinging piece 82 does not swing any further.

At the same time, as shown in FIG.
1a between the fixed blade 6a and the fixed blade 6a sequentially from the left side,
Cut the connector 2 one by one along the side wall. Therefore, simply by rotating the rotating arm 81, the excess core wire 31a can be quickly cut with a light force.

Then, when the rotating arm 81 is further rotated downward as far as possible, the pressing body 88 formed integrally with the rotating arm 81 comes into contact with the swinging side 82, as shown in FIGS. 3 and 4. Then, the lid 22 of the connector is pressed downward via the swing piece 82. As a result, the core wire 31 is pressed against the connection terminal head 21, the core wire 31 and the connection terminal head 21 are mechanically and electrically connected, and the lid body 22 is attached to the connector 2. At the same time, the surplus core wire 31a
are all cut along the side walls 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, the leaf spring body 53 is moved from the upper surface of the groove 51, and the cable 3 and the connector 2 are connected to the fastener 1. The tying work is completed by removing it from the holder.

The fixed blade may have a right-angled shape 6a' as shown in FIG. 5, or a plastic stand may be simply provided in place of the fixed blade.

[Effects of the Invention] By rotating the rotating arm of the present invention, surplus core wires are cut one by one, so the surplus core wires can be cut quickly with a light force, and moreover, the connector All operations such as connecting the core wire, cutting excess core wire, and attaching the lid to the connector can be performed in one process using one device, and there is no risk of the lid slipping or coming off from the connector during this process. There is no need to use the machine, so it reduces work time, is simple and easy to use, and is small and lightweight (several hundred grams).
Since it can be formed into a shape, it can be easily used at the work site, and has an excellent effect of greatly improving the efficiency of wiring work.

[Brief explanation of drawings]

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, and FIG. 2 is a partial sectional view of the above embodiment in operation.
Fig. 3 is a side cross-sectional view at the end of the operation, Fig. 4 is a cross-sectional view taken along the - line, Fig. 5 is a schematic diagram showing another example of the fixed blade, and Fig. 6 is a perspective view of the connector and cable. , FIG. 7 is a side view of a conventional connector connection tool. 1... Connector connection tool, 2... Connector, 3...
...Cable, 4...Connector holding means, 6a...
fixed blade, 6b... movable blade, 7... core wire alignment means,
8... Core wire pressing means, 31... Core wire, 31a...
Excess core wire, 41... Connector storage chamber, 71... Comb tooth-like member, 81... Arm, 82... Rocking piece,
88... Pressing body.

Claims (1)

[Claims] 1 Connector holding means for holding a connector having a plurality of connection terminals on the upper surface and a cover provided thereon for connecting each core wire of the cable; A wire alignment means for engaging the connection terminal, a rotating arm rotatably provided with respect to the connector holding means, and rotating the rotating arm to remove the excess core wire protruding from the connector. a core wire cutting means that sequentially cuts the excess core wire, and a swingable arm that is swingable on the rotary arm so as to contact the top surface of the lid placed on the connection terminal while the core wire cutting means sequentially cuts the excess core wire. a rocking piece provided on the body, a biasing means for biasing the rocking piece in a direction to press the rocking piece against the lid body, and a biasing means configured to press the rocking piece against the lid body when the rotating arm is fully rotated. A connector connection tool characterized by comprising a pressing body provided on the rotating arm for pressing.