JP2556639Y2 - Cable crimping tool - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a press-fit type connector used in electronic equipment, and more particularly to a tool for assembling a cable housing with a cable connected to a connector body.

[0002]

2. Description of the Related Art As a press-contact type connector of this type, for example, a half-pitch female connector is frequently used in personal computers, facsimile machines and other OA equipment. The half-pitch female connector differs in dimension according to the number of core wires, but has a horizontally long shape, and the connector main body is provided with a pair of cable housings, and a large number of core wires are individually wired to each cable housing. .

[0003] A pair of cable housings on which a multi-core wire is wired are temporarily fixed to, for example, both sides of the connector main body, and the pair of cable housings are press-contacted to the temporarily-maintained connector main body by a press-contact device and connected by this.

The press-contact device has a base having a flat upper surface and an area equal to or larger than the length of the connector, a support standing on the support, and a lower support having a flat lower surface provided on the upper support. A pressure plate, and an operation lever of the pressure plate, and the cable housing is pressed against the connector body on the base by the operation of pressing the operation lever.

[0005]

According to the above-described pressure welding apparatus, both ends of the base and the pressure plate are restricted.
Parallel to the horizontal cable housing in the longitudinal direction
Could not be pressurized. Further, depending on how the operating lever is lowered, the temporarily fixed cable housing may not stop at the press-contact with the connector main body, and may damage the connector main body casing. In particular, because only the metal casing thickness portion of the connector body is protruded, pressure
When the cable housing is pressed against the plate,
This metal casing will be pressed against
Had been transformed. Therefore, by the above-mentioned pressure welding device
To prevent damage to metal casing during crimping work
Needed skill.

[0006] Further, since a cable is routed on one side in the width direction of the connector , a large number of cables are arranged particularly horizontally.
If it is wired, the connector temporarily fixed on the flat base will not be placed in parallel, and it will be easily displaced.
In some cases, the connector came off on the console side. Therefore, pressure welding
Do the work correctly and do not damage the connector body
To do this, you need to be careful and set it on the base
The cable side so that it does not deviate after setting.
I had to keep it. As a result,
Depending on the skill level, the accuracy of the pressure welding work, work efficiency, etc.
Differences in appearance.

Further, since the above-mentioned press-contact device is relatively large, it is inconvenient to carry and unsuitable for on-site press-contact work. Therefore, in terms of work efficiency at the site,
Therefore, the development of a press-welding tool that can press in parallel
Was.

[0008] Thus, the present invention may just set be one that is developed within the tool at a temporarily fixed state of the wired cable housing connector body in order to solve the above problems, the cable core Be bound by numbers
The connector body housing that is horizontally long
It is an object of the present invention to provide a tool capable of performing pressure contact work by applying pressure to the tool.

[0009]

The basic configuration of the cable crimping tool for solving the problems SUMMARY OF THE INVENTION may, pairs of cable housing of oblong shape connector <br/> data body of oblong shape in height temporarily fixed The fixed block and the movable block are horizontally opposed to each other with almost the same gap, and the fixed block is
A hollow part is formed to allow vertical movement of the
Has a substantially U-shape in a side view, and the lower piece of the U-shape is accommodated in the hollow portion.
And it is erected between the U-shaped upper and lower pieces.
Parallel moving piece can move up and down in parallel with the fixed block
The fixed block and the moving block are provided with a laterally long pressing surface portion having a length at least equal to the length of the cable housing of the connector and pressurizing the pair of cable housings, and a width direction of the pressing surface portion. A protruding ridge is provided on the near side to prevent the cable housing of the pair from coming off and allow the cable to enter, and protrudes from the presser surface, and a height not less than the height of the connector body casing is provided on the far side of the presser surface in the width direction. The connector body casing is provided with a recessed horizontally long escape groove that does not pressurize the connector body casing, and the movable block is pressed close to and parallel to the fixed block by operating the handle.

In this case, the parallel moving piece is formed to be horizontally long.
At the same time, it is possible to adopt a configuration in which the horizontally long end faces are guided by the fixed block .

[0011]

A connector body and a pair of cable housings temporarily fixed to the connector body are inserted from the opposed longitudinal end faces of the fixed block and the moving block of the tool, and are pushed into substantially the center of each block. The connector body is positioned with its width direction regulated by the ridges. That is,
The pair of cable housings are in contact with the pair of pressing surfaces with an insertion clearance, and the connector body casing is located away from the clearance groove. The cable is led out from between the ridges of each block, and the set position is continued.

Next, the moving block is moved by the handle operation.
The lower piece moves up and down in the hollow portion of the fixed block, and the moving block approaches the fixed block in parallel, and the pressing surface presses the pair of cable housings, so that the cable housing is pressed against the connector body. Since the casing of the connector body is not abutted by the concave shape of the escape groove, the casing remains in the original shape even when pressed.

When the handle is released, the movable block is retracted, so that the pair of cable housings is separated from the holding surface and pulled out from the longitudinal direction.

[0014]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of a cable press tool according to the present invention; FIG. The cable pressure welding tool 1 is roughly composed of a fixed block 2, a moving block 3 facing the fixed block 2, and a pair of handles 4, 4 for operating the moving block 3 to approach.

That is, in the cable pressure welding tool 1, the fixed block 2 and the moving block 3 are opposed to each other with a gap h substantially equal to the height h at which the pair of cable housings 41, 41 are temporarily fixed to the connector body 40. The fixed block 2 and the moving block 3 have a length L that is at least longer than the length l of the cable housing of the connector, and an insertion port 5 is formed at an end face that intersects in the longitudinal direction. Insertion slot 5
Are formed on one or both sides. The length of the fixed block 2 and the moving block 3 is set to be longer than the length of the connector having a large number of core wires.

On the opposing surface of the fixed block 2 and the moving block 3, a horizontally long pressing surface portion 6 capable of pressing the pair of cable housings 41, and a pair of pressing surface portions on the front side in the width direction of the pressing surface portion 6. A projecting ridge 7 that prevents the cable housings 41 and 41 from coming off and allows the cable 43 to enter and protrudes from the pressing surface portion 6, and a deeper portion of the pressing surface portion 6 in the width direction than the height of the connector body casing 42. A horizontally long escape groove 8 having a height and a concave shape that does not press the connector body casing is provided, and the movable block 3 is configured to be able to approach the fixed block 2 in parallel by operating the handles 4, 4. I have.

More specifically, the fixed block 2 has a ridge 7, a pressing surface 6, and a clearance groove 8 arranged in order from the front side on the upper surface on the opposite side, and a hollow portion 9 from the rear end surface to the front side. Are formed. The hollow portion 9 is desirably set to a height that allows the vertical movement of the moving block 3. A notch 10 is formed on the rear upper surface in the longitudinal direction, and guide surfaces 11 are formed on both sides of the notch 10 in the longitudinal direction. In the figure, reference numeral 12 denotes a female screw hole.

Next, the moving block 3 has a substantially U-shape in a side view, and a ridge 7, a pressing surface 6, and a relief groove 8 are sequentially arranged on the lower surface of the upper piece from the near side, and the parallel moving piece from the rear end. 1
3 are suspended in an intersecting state. The inner surface 14 of the parallel moving piece 13 and the step 15 of the ridge 7 are set to the same length as the width of the connector body 40, and the inner surface 14 serves as a position regulating surface. The rear surface 16 of the parallel moving piece 13 is formed as a thin step surface.

On both surfaces of the parallel moving piece 13 in the longitudinal direction, a regulating surface 1 having substantially the same length as the length of the notch 10 is provided.
Reference numerals 7 and 17 are provided, and are assembled so as to be vertically movable between the guide surfaces 11 and 11 in parallel. A movable piece 18 is provided as a lower piece of the movable block 3 in an intersecting state from the parallel moving piece 13, and the movable piece 18 is housed in the hollow portion 9 so as to be vertically movable. The movable piece 18 is assembled by fixing the cover member 19 to the female screw hole 12 of the fixed block 2 with the set screw 20.

Further, one end of a slide pin 22 connected to the parallel link 21 between the handles is fixed to the movable piece 18.

Next, the operation will be described. The connector main body 40 and the pair of cable housings 41, 41 temporarily fixed thereto are inserted from the insertion opening 5 along the longitudinal direction, and are pushed into substantially the center positions of the blocks 2, 3. The width direction of the connector main body 40 is regulated between the step 15 of the ridge 7 and the inner surface 14 of the parallel moving piece 13, and the connector main body 40 is brought into contact with the pair of pressing surfaces 6, 6 with insertion clearance, The connector body casings 42, 42 are located apart from the clearance grooves 8, 8. The cable 43 is led out from between the protruding portions of the blocks 2 and 3, and the set position is continued.

Next, the operation of the handle 4 causes the moving block 3 to approach the fixed block 2 in parallel. The movement block 3 descends and approaches because the regulating surfaces 17 are guided in parallel by the guide surface 11 while the parallel moving piece 13 is regulated back and forth by the cover member or the like. Since the pressing surfaces 6, 6 press the pair of cable housings 41, 41 by approaching, the cable housings 41, 41 are attached to the connector main body 40.
41 will be pressed. The pressure contact distance of the moving block 3 is limited to a range in which the movable piece 18 can move up and down in the hollow portion, and is set to the height of the connector body 40 pressed. The casing 42 of the connector body is provided with
Because it is not abutted by the concave shape of 8, it is still in its original form when pressed.

When the handle 4 is released, the moving block 3 is moved.
Is retracted, the pair of cable housings 41, 41 are separated from the pressing surface portions 6, 6, and are pulled out from the insertion port 5 in the length direction.

According to the above-described embodiment, since the regulating surfaces 17, 17 of the parallel moving piece 13 guide the parallel movement on the guide surfaces 11, 11, the connector body 40 can be pressed in parallel over the longitudinal direction. it can. Further, since the blocks 2 and 3 are designed to have the maximum number of core wires, connectors of various sizes can be pressed.

In the above-described embodiment, the cable housings 41, 41 are illustrated and described. However, the present invention is not limited to this, and the present invention can be applied to housings of the same type of connector.

[0026]

[Effect of the Invention] As described above, the pressure according to the invention of the present application is as follows.
According to the contact tool, the horizontal
Nectar is parallel to the longitudinal direction of the connector body
Can be installed efficiently, making on-site welding work more efficient.
It can be done well. In addition, fixed block and moving block
By providing an escape groove on the surface facing the
Without damaging the main unit casing
By restricting the width direction, the deviation of the connector body,
Dropout is also prevented. Therefore, regardless of the skill of the worker,
Pressing work can be performed easily and reliably.
Averaging can be achieved.

[Brief description of the drawings]

FIG. 1 is an overall perspective view showing an embodiment of a cable pressure welding tool according to the present invention.

FIG. 2 is an exploded perspective view showing one embodiment of a block portion of the cable pressure welding tool according to the present invention.

FIG. 3 is a sectional view of a main part before pressure welding.

FIG. 4 is a sectional view of a main part of a press-contact character.

[Description of Signs] 1 Cable pressure welding tool 2 Fixed block 3 Moving block 4 Handle 5 Insertion port 6 Pressing surface 7 Protrusion 8 Escape groove 13 Parallel moving piece 22 Slide pin

Claims (2)

(57) [Scope of request for utility model registration] 1. A horizontally long shape of the connector body a pair of cable housing of oblong shape and tacking the fixed block with a substantially equal clearance height and the movable block are opposed to landscape, the upper and lower movable block to the fixed block Allow movement
A hollow part is formed, and the moving block has a substantially U-shape in side view.
The U-shaped lower piece is stored in the hollow part and
The parallel moving piece suspended between the upper and lower pieces of the
A horizontally-long presser which is attached to the fixed block and the moving block so as to be movable up and down in parallel with the lock, and has a length at least equal to the length of the cable housing of the connector and presses the pair of cable housings. A front surface portion, a front side in the width direction of the pressing surface portion, a ridge portion that prevents the pair of cable housings from coming off and allows the cable to enter, and protrudes from the pressing surface portion, and a connector body in the width direction rear side of the pressing surface portion. A cable press-contact which has a height of not less than the height of the casing and has a recessed horizontally long escape groove which does not press the connector main body casing, and the movable block approaches and presses in parallel to the fixed block by operating the handle. tool. 2. The parallel moving piece is formed to be horizontally long.
2. The lateral end faces are guided by fixed blocks.
The described cable crimping tool.