JP3781266B2 - Terminal removal tool - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a terminal extraction jig, and more particularly to a terminal extraction jig that can cope with an increase / decrease in the number of plate members accommodated in a main body or replacement with other plate members having different thickness dimensions.
[0002]
[Prior art]
As shown in FIG. 3, a connector 30 frequently used for electrical connection or the like includes a substantially rectangular tube-shaped connector housing 31 having insulation properties and a metal connection terminal 32 accommodated in the connector housing 31. It is configured to include.
The connector 30 is provided with a positioning projection 33 and a locking piece 34 in the connector housing 31, and the tip of the connector 30 is formed on the positioning projection 33 while the locking piece 34 is elastically deformed (see the arrow in FIG. 3A). By inserting the connection terminal 32 into the connector housing 31 until it abuts, the connection terminal 32 is locked to the locking piece 33, thereby fixing the connection terminal 32 so that it cannot be pulled out.
[0003]
By the way, in replacing the connection terminal 32 in the connector 30 described above, a predetermined tool is inserted from the terminal accommodation hole 35 of the connector housing 31, and the engagement piece 34 is elastically deformed by the tip of the tool, whereby the connection terminal 32 can be pulled out.
However, when replacing the connection terminal 32, various types of tools having different tip shapes are prepared depending on the shape, size, form, location, etc. of the terminal receiving hole 35, the connection terminal 32, and the locking piece 34. It is necessary to keep.
[0004]
[Problems to be solved by the invention]
In contrast, the applicant of the present application is provided with a plurality of plate members 40 </ b> A to 40 </ b> E formed in a substantially strip shape and different shapes at the tips of the plate members 40 </ b> A to 40 </ b> E and inserted into the connector housing 31. The claw portions 41A to 41E that can elastically deform the locking piece 34 and the main body 42 that accommodates the plate members 40A to 40E stacked in the thickness direction, and has a substantially U-shaped cross section. Each plate member 40A-40E is accommodated in a main body 42 having a continuous shape, and a terminal extraction jig 44 in which a coupling pin 43 passes through the side wall of each plate member 40A-40E and the main body 42 in the thickness direction is proposed ( Japanese Patent Laid-Open No. 10-255952: Conventional example).
[0005]
According to this conventional example, the operator picks the knobs 45A to 45E provided at the edges in the width direction of the plate members 40A to 40E around the axis of the coupling pin 43 with the finger, and the desired nail 41A to 41A. By rotating the plate members 40A to 40E provided with 41E with respect to the main body 42 so as to be exposed to the outside, the operator can arbitrarily select a tool suitable for the connector 30, and each plate member 40A in the main body 42 can be selected. By accommodating ˜40E, an extremely excellent effect can be obtained in that damage to the nails 41A to 41E and clothes during storage or when the operator carries the garment can be prevented.
[0006]
By the way, the above-described terminal extracting jig 44 includes a plurality of types of plate members 40A to 40E corresponding to various connectors. For example, in response to product changes or production item number switching / changes, Replacement / deletion is required.
However, since the main body 42 has a substantially U-shaped cross section, the above-described conventional example cannot cope with the increase or decrease of the plate members 40A to 40E accommodated in the main body 42 or the exchange with other plate members having different thickness dimensions. There is an inconvenience.
The present invention has been made in view of the above-described problems, and its purpose is to increase or decrease the number of plate members accommodated in the main body, or to replace the plate members with other plate members having different thickness dimensions. Is to provide.
[0007]
[Means for Solving the Problems]
According to the present invention, in order to remove the connection terminal from the connector housing, a plurality of plate members formed in a substantially band shape and the front end of each plate member so that the engagement state of the connection terminal in the connector housing can be released. a claw portion provided respectively different shapes, the and a body housing in a state in which the respective plate members are stacked along the thickness direction, said body, along the opposite ends in the stacking direction of the plate members A terminal comprising a pair of side walls, each plate member and a coupling pin penetrating each side wall in the thickness direction, wherein each plate member is individually rotatable with respect to each side wall about the axis of the coupling pin It is premised on a punching jig.
[0008]
And, in order to achieve the above-mentioned object, according to the present invention, as described in claim 1, each of the side walls is separated , and one of the side walls is on the side of the other side wall. And the other side wall has one or more second protrusions protruding toward the one side wall, and the first protrusions And the 2nd protrusion part protrudes in parallel from the edge of the same side of the width direction of each said side wall alternately .
[0009]
Here, the protrusion may be formed in a bar shape, a plate shape, or the like, for example, and may be formed integrally or separately with respect to the side wall. Further, the number of the protrusions is arbitrary.
[0010]
In the terminal extraction jig configured in this way, since the side walls constituting the main body are separated, for example, if a coupling pin of a type that mutually couples a bolt and a nut is adopted, the relative relationship between the bolt and the nut By appropriately selecting the position, the distance between the side walls can be adjusted.
That is, this terminal extraction jig can cope with an increase or decrease in the number of plate members accommodated in the main body or replacement with other plate members having different thickness dimensions, thereby achieving the above-described object.
[0012]
Further, since the protruding directions of the first protrusions and the second protrusions are parallel to each other, by appropriately selecting the protruding dimensions and positions of the first protrusions and the second protrusions, Even if the distance between the first protrusion and the second protrusion is less than a certain value, the first protrusions and the second protrusions are in a so-called wrapped state.
Therefore, in this terminal extraction jig, even if the separation dimension of each side wall is increased, if the separation dimension of each side wall is equal to or less than a certain value, the rotation direction of each plate member accommodated in the main body is kept constant. In addition to being able to regulate in the direction, the plate member pulled out from the main body can be regulated to a predetermined relative position with respect to the main body.
[0013]
Furthermore, the present invention is, as described in claim 2, wherein at least one of the side walls has a notch at one end edge in the width direction, the said plate member which is accommodated between the side walls A part can be exposed from the notch.
In such a terminal extraction jig, a part of the plate member accommodated in the main body is exposed from the cutout portion provided on the side wall, so that the operator pushes the plate member with the finger in the width direction through the cutout portion. As a result, the desired plate member is rotated and pushed out of the main body.
That is, in this terminal extraction jig, since it is not necessary to provide a tab as a projection at the edge in the width direction of the plate member as in the prior art, when the worker stores and carries the clothes in the pocket of the clothes, The risk of damage can be avoided.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments according to the present invention will be described in detail with reference to the drawings.
As shown in FIGS. 1 and 2, a terminal removal jig 10 according to an embodiment of the present invention includes a plurality of plate members 11 </ b> A to 11 </ b> G formed in a substantially strip shape in order to remove a connection terminal from a connector housing (not shown). And claw portions 12A to 12G provided at the tips of the plate members 11A to 11G, and a main body 13 that accommodates the plate members 11A to 11G in a stacked state along the thickness direction.
[0015]
The claw portions 12A to 12G can release the engagement state of the connection terminal in the connector housing according to the shape, size, form, location, etc. of the terminal housing hole, the locking piece or the connection terminal of the connector housing. They are provided in different shapes.
The main body 13 has a pair of side walls 14 and 15 formed in a substantially strip shape larger than the width dimension and the longitudinal dimension of each plate member 11A to 11G. The side walls 14 and 15 are separated from each other and are disposed along both ends in the stacking direction of the plate members 11A to 11G, and the first coupling pin 21 and the first through which penetrate both end portions in the longitudinal direction. Two connecting pins 22 are connected.
[0016]
The first coupling pin 21 includes a first bolt 23 penetrating the plate members 11A to 11G and the side walls 14 and 15 in the thickness direction, and a cylindrical tightening nut 24 screwed into the first bolt 23. And have. The first connecting pin 21 can be changed by changing the relative positions of the first bolt 23 and the tightening nut 24 when changing the number of plate members 11A to 11G to other plate members having different thicknesses and thickness dimensions. It has become.
The tightening nut 24 is knurled on the outer peripheral surface, and can be screwed into the first bolt 23 by an operator by hand.
[0017]
On the other hand, the second coupling pin 22 has a second bolt 25 penetrating the side walls 14 and 15 in the thickness direction, and fixing nuts 26, 27, and 28 screwed to the second bolt 25, and each plate member. Corresponding to the number of 11A to 11G and individual thickness dimensions, the side wall 14 sandwiched between the head of the second bolt 25 and the fixing nut 26, and the side wall 15 sandwiched between the fixing nuts 27 and 28, The relative position of can be selectively fixed.
The second coupling pin 22 is provided with a clip 29 on the head of the second bolt 25 that can be locked to the pocket opening of the clothes when the operator carries the terminal extraction jig 10.
[0018]
The side walls 14 and 15 have a pair of first protrusions 16 and second protrusions 17 that protrude along the thickness direction from one edge in the width direction.
The first protrusion 16 and the second protrusion 17 are provided in a comb-like shape at a predetermined interval. The first protrusion 16 and the second protrusion 17 are oriented so that when the side walls 14 and 15 are arranged at predetermined positions, the protruding directions are parallel to each other and extend in directions approaching each other. Has been.
[0019]
The first protrusion 16 and the second protrusion 17 restrict the rotation direction of the plate members 11A to 11G accommodated in the main body 13 to one direction, and the plate members are drawn from the main body 13. By restricting 11A to 11G to a predetermined relative position with respect to the main body 13, the rotation angles of the plate members 11A to 11G can be restricted to about 180 degrees.
[0020]
Further, these side walls 14 and 15 are provided with notches 18 and 19 in substantially central recesses at one edge in the width direction, and part of the plate members 11A to 11G accommodated between the side walls 14 and 15 are notched. The parts 18 and 19 are exposed.
Accordingly, in the terminal extraction jig 10, the operator pushes the plate members 11A to 11G in the width direction with the fingers through the notches 18 and 19, so that the desired plate members 11A to 11G are centered on the axis of the coupling pin 21. Can be pushed out of the main body 13 by rotating.
[0021]
According to the terminal extracting jig as described above, since the side walls 14 and 15 constituting the main body 13 are separated, each side wall 14 can be adjusted by appropriately adjusting the first coupling pin 21 and the second coupling pin 22. , 15 can be selected, whereby the plate members 11A to 11G can be increased or decreased, or exchanged with other plate members having different thickness dimensions.
[0022]
Further, according to the terminal extraction jig 10, the first protrusion 16 and the second protrusion 17 that protrude in the direction approaching each other from the side walls 14 and 15 are along the same plane, so that they are accommodated in the main body 13. The rotation direction of each of the plate members 11A to 11G can be restricted to one direction, and the plate members 11A to 11G drawn from the main body 13 can be restricted to a predetermined relative position with respect to the main body 13, whereby each plate member The rotation angle of 11A to 11G can be restricted to about 180 degrees.
[0023]
Furthermore, according to the terminal extraction jig 10 described above, since the protruding directions of the first protrusions 16 and the second protrusions 17 are parallel to each other, the first protrusions 16 and the second protrusions 17 Even if the separation dimension between the side walls 14 and 15 is increased by appropriately selecting the projecting dimension and position, each first projection is provided as long as the separation dimension between the side walls 14 and 15 is not more than a certain value. 16 and each second protrusion 17 are in a so-called wrapped state.
Therefore, according to this terminal extraction jig 10, even if the separation dimension of the side walls 14 and 15 is increased, if the separation dimension of the side walls 14 and 15 is less than a certain value, The rotation direction of each plate member 11A to 11G can be restricted to one direction, and the plate members 11A to 11G drawn from the main body 13 can be restricted to a predetermined relative position with respect to the main body 13.
[0024]
And according to such a terminal extraction jig | tool 10, since some board members 11A-11G accommodated in the main body 13 are exposed from the notches 18 and 19 provided in the side walls 14 and 15, the notch 18 , 19, the operator pushes the plate members 11 </ b> A to 11 </ b> G with the finger in the width direction, so that the desired plate members 11 </ b> A to 11 </ b> G are rotated and pushed out of the main body 13.
That is, according to this terminal extraction jig 10, since it is not necessary to provide a knob portion as a projection on the edge in the width direction of the plate members 11A to 11G as in the prior art, an operator can store it in a pocket of clothes and carry it. In doing so, the possibility of damaging the clothes can be avoided.
[0025]
In addition, the terminal extraction jig | tool of this invention is not limited to embodiment mentioned above, A suitable deformation | transformation, improvement, etc. are possible.
For example, in the above-described embodiment, a plurality of protrusions are provided on each side wall, but a form in which the protrusion is provided only on one side wall is also included in the present invention.
In addition, the material, shape, size, form, number, location, etc. of the plate member, claw portion, main body, side wall, connecting pin, protrusion, notch, etc. exemplified in the above-described embodiment can achieve the present invention. It is optional and not limited.
[0026]
【The invention's effect】
As described above, according to the present invention, as described in claim 1, one of the side walls separated from each other has a first protrusion that protrudes toward the other side wall. The other side wall has a second protrusion protruding toward the one side wall, and the first protrusion and the second protrusion are staggered from the same side edge in the width direction of each side wall. due to the parallel projecting, by appropriately selecting the coupling pin, to adjust the spacing dimensions of each side wall, also keep appropriately selecting the protruding dimension and position of the first projection and the second projection Thus, even if the separation dimension of each side wall is increased, if the separation dimension of each side wall is below a certain level, each first protrusion and each second protrusion are in a so-called wrapped state, whereby the main body The rotation direction of each plate member accommodated in the The is a plate member can be restricted to a predetermined relative position with respect to the body.
[0028]
Furthermore, according to the present invention, as described in claim 2 , since a part of the plate member accommodated in the main body is exposed from the notch provided in the side wall, the operator can use his / her finger through the notch. By pushing the plate member in the width direction, the desired plate member is rotated and pushed out of the main body, and there is no need to provide a knob portion as a projection on the edge in the width direction of the plate member as in the prior art. It is possible to avoid the possibility of damaging the clothes when the person puts them in the clothes pockets and carries them.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an embodiment according to the present invention.
FIG. 2 is a plan view showing an embodiment according to the present invention.
FIG. 3 is a plan view and a side view showing a conventional example.
[Explanation of symbols]
10 Terminal removal jig
11A ~ 11G Plate member
12A-12G Nail
13 Body
14, 15 side wall
21 First coupling pin (coupling pin)
22 Second coupling pin (coupling pin)
16 First protrusion (protrusion)
17 Second protrusion (protrusion)
18, 19 Notch

Claims (2)

In order to remove the connection terminals from within the connector housing, a plurality of plate members formed in a substantially band shape and different shapes at the tips of the respective plate members so that the engagement state of the connection terminals in the connector housing can be released includes a pawl portion provided, and a body housing in a state in which the a laminate of the plate members along the thickness direction,
The main body includes a pair of side walls along both end portions in the stacking direction of the plate members, and a coupling pin that penetrates the plate members and the side walls in the thickness direction,
In the terminal extraction jig in which each plate member is individually rotatable with respect to each side wall about the axis of the coupling pin,
Wherein with each side wall are separated, one of the side walls of said each side wall has one or more first protrusion protruding toward the other side wall, the other side wall, the one One or a plurality of second protrusions protruding toward the side wall of the first side wall, and the first and second protrusions are alternately parallel to each other from an edge on the same side in the width direction of each side wall. A terminal removal jig characterized by protruding into the terminal. At least one of said side walls includes wherein the width has a notch at one end edge of direction, the part of the plate member which is accommodated between the side walls can be exposed from the cutout portion The terminal extraction jig according to claim 1.

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