JP2019114363A - Terminal pull-out jig - Google Patents

Abstract

To provide a terminal pull-out jig which can be handled without preparing a dedicated jig separately even when a distance from a front end of a connector housing to a lance is different.SOLUTION: A terminal pull-out jig includes a jig body 10 provided with a release pin 12, and an attachment 30 removably mounted on the jig body. The attachment 30 is movable to a first position (rear position) for exposing a step portion 16 for restricting the insertion of the release pin 12 and to a second position (front position) for hiding the step portion 16 of the release pin, and when the release pin is inserted into a connector housing, the insertion depth of the release pin is changed depending on whether a portion abutting the front end of the connector housing is the stepped portion or the front end of the attachment.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a terminal extraction jig for releasing an engagement of a terminal by a lance when extracting a terminal accommodated in a connector housing and locked by a lance.

  Generally, for connection of a wire harness of a car, a connector in which a metal terminal is incorporated in a resin connector housing is used. This type of connector has a structure in which the terminal attached to the end of the wire is inserted from the back into the terminal chamber of the connector housing, and a flexible lance provided in the terminal chamber prevents the terminal from being pulled backward. There is no.

  By the way, in such a connector, it may be necessary to pull out the terminal which has been once incorporated. In that case, for example, the tip of the release pin of the terminal extraction jig is inserted from the front of the connector housing, the locking of the terminal by the lance is released, and the electric wire is pulled backward in that state. By doing so, extracting a terminal from the terminal storage chamber of a connector housing is performed (refer patent document 1).

Patent No. 3976737

  However, the distance from the front end of the connector housing to the lance may be different depending on the connector or the position of the terminal even in the same connector. For example, in the case of a connector housing having a front holder attached to the front, the distance from the front end of the connector housing (in this case, the front holder) to the lance may differ between the location where the front holder is provided .

  In such a case, conventionally, terminal extraction jigs having different lengths of tips of the release pins have been individually prepared as dedicated jigs. In addition, when trying to release the locking of the terminal using a removal jig in which the length of the tip of the release pin does not match, the tip of the release pin may be inserted excessively far, and in such a case, release The pin may be deformed or the lance may be damaged.

  The present invention has been made in view of the above-described circumstances, and an object thereof is that the dedicated jig need not be prepared separately even when the distance from the front end of the connector housing to the lance is different. It is an object of the present invention to provide a terminal extraction jig which is not likely to damage the terminal or deform the release pin.

In order to achieve the object mentioned above, the terminal extraction jig concerning the present invention is characterized by following (1) and (2).
(1)
And a release pin which is inserted from the front of the connector housing toward the lance to extract the terminal accommodated in the connector housing and locked by the lance, and the tip of the connector housing unlocks the terminal by the lance; An insertion restricting portion that restricts the insertion depth of the tip of the release pin into the connector housing by touching the connector housing at the time of insertion of the release pin into the connector housing midway in the length direction of the release pin; A jig body having a
It is detachably mounted on the jig body and movably mounted between a first position in the jig body and a second position located on the tip side of the jig body from the first position, the first position When the front end is at the same position as or behind the insertion restricting portion of the release pin, and at the second position, the front end is forward of the insertion restricting portion of the jig body, the second position An attachment that restricts the insertion depth of the tip of the release pin into the connector housing by the front end touching the connector housing when the tip of the release pin is inserted into the connector housing in the state of
A first lock which is provided between the attachment and the jig body, and which can lock the attachment to the jig body when the attachment is in the first position and in the second position. Means and second locking means;
A terminal extraction jig characterized by comprising:
(2)
It is a terminal extraction jig as described in said (1), Comprising:
The attachment is movably provided to a third position in front of the second position in the jig body.
The third position is set as a position for receiving the tip of the release pin inside the attachment when the attachment is in the third position,
Furthermore, a third locking means is provided between the attachment and the jig body, which can lock the attachment to the jig body when the attachment is in the third position.
Terminal extraction jig characterized by

According to the terminal extraction jig of the configuration of (1), the effective length of the tip of the release pin (that is, the length that can be inserted into the connector housing) can be obtained by switching the position of the attachment attached to the jig body. It can be changed. For example, when the attachment is moved to the first position (rear position) relative to the jig body, the insertion restricting portion of the release pin can be exposed from the front end of the attachment. Therefore, if the tip of the release pin is inserted into the connector housing in that state, the insertion restricting portion of the release pin directly contacts the front end of the connector housing, whereby the insertion depth of the release pin is regulated. In this case, the insertion depth can be made larger than when the next attachment is moved to the second position.
In addition, when the attachment is moved to the second position, the insertion restricting portion of the release pin is hidden inside the attachment. Therefore, if the tip of the release pin is inserted into the connector housing in that state, the insertion depth of the release pin is regulated by the front end of the attachment touching the front end of the connector housing. In this case, since the front end of the attachment is forward of the insertion restricting portion of the release pin, the insertion depth of the release pin can be reduced.
Thus, even if the distance from the front end of the connector housing to the lance is different, the insertion depth of the tip of the release pin into the connector housing can be managed to an appropriate value by switching the position of the attachment. . As a result, the locking of the terminal by the lance can be released without deforming the release pin or damaging the lance, without separately preparing a dedicated jig corresponding to the difference in insertion depth.
According to the terminal extraction jig of the configuration of the above (2), the tip of the release pin can be accommodated inside the attachment by positioning the attachment at the third position, and the attachment by the third locking means Can be held in that position. Therefore, even if the end of the release pin is not covered with a protective cap or the like, the attachment can be substituted for the protective cap, and safety can be secured.

  According to the present invention, even if the distance from the front end of the connector housing to the lance is different, the insertion depth of the tip of the release pin in the connector housing can be controlled to an appropriate value by switching the position of the attachment. Can. As a result, even if a dedicated jig is not prepared, the locking of the terminal by the lance can be released without deforming the release pin or damaging the lance.

  The present invention has been briefly described above. Furthermore, the details of the present invention will be further clarified by reading the modes for carrying out the invention described below (hereinafter referred to as "embodiments") with reference to the attached drawings. .

Fig.1 (a), (b) is explanatory drawing of the terminal extraction jig of 1st Embodiment of this invention, FIG. 1 (a) is a perspective view which shows the state before attaching an attachment to a jig main body 1 (b) is a perspective view showing a state after the attachment is attached to the jig body. Fig.2 (a)-(c) is a block diagram of the attachment in 1st Embodiment, FIG. 2 (a) is a perspective view, FIG.2 (b) is a front view, FIG.2 (c) is FIG. It is AA arrow sectional drawing of b). FIG. 3 is a perspective view seen from the front of a connector to be subjected to terminal extraction by the terminal extraction jig according to the first embodiment. 4 (a) to 4 (c) are block diagrams of the connector of the terminal extraction target according to the terminal extraction jig of the first embodiment, FIG. 4 (a) is a front view, and FIG. 4 (b) is FIG. 4C is an enlarged view of a portion without the short terminal of FIG. 4A. FIGS. 5 (a) and 5 (b) are explanatory views of a terminal extraction target connector and a terminal extraction jig according to the terminal extraction jig of the first embodiment, and FIG. 5 (a) is a view of FIG. 5B is a cross-sectional view as viewed from the arrow B (a cross-sectional view at a position where the short terminal is present), FIG. 5B is for removing the terminal (terminal located above the short terminal) in the cross section of FIG. It is a perspective view of the terminal extraction jig of embodiment which shows the state which set the position of the attachment to the 1st position (rear position). 6 (a) and 6 (b) are explanatory views of a connector for which a terminal is to be extracted by the terminal extracting jig according to the first embodiment and a terminal extracting jig, and FIG. 6 (a) is a cross sectional view of FIG. 6C is a cross-sectional view taken along the −C arrow line (cross-sectional view at a position where the short terminal exists), FIG. 6B is for removing the terminal (terminal located above the short terminal) in the cross section of FIG. It is a perspective view of the terminal extraction jig of embodiment which shows the state which set the position of the attachment to the 2nd position (front position). FIGS. 7 (a) and 7 (b) are explanatory views in the case where the locking of the lance is released only by the jig body, and FIG. 7 (a) is the locking of the terminal at the position where the convex portion of the front holder is FIG. 7B is a side view showing a state in which the locking of the terminal is about to be released at a position where there is no protrusion of the front holder. FIGS. 8 (a) to 8 (c) are diagrams for explaining a first usage example of the terminal extraction jig according to the first embodiment of the present invention, and FIG. 8 (a) is a view showing the attachment at a first position (FIG. 8 (b) is a side sectional view, and FIG. 8 (c) is a first locking convex portion engaged with the locking hole of the jig body at that time. It is a figure which shows that it is. Fig.9 (a)-(d) is a figure for demonstrating the 1st usage example of the terminal extraction jig of 1st Embodiment of this invention, FIG.9 (a) is an attachment in a 1st position ( 9 (b) to 9 (d) are projections of the front holder by the terminal removing jig holding the attachment at the first position (rear position). It is a sectional side view which shows in order the procedure in the case of releasing the locking of a terminal in a certain position. FIGS. 10 (a) to 10 (c) hold the attachment of the terminal extraction jig of the first embodiment at the first position (rear position) as an aid to the description of FIGS. 9 (b) to 9 (d). FIG. 10 (a) is an enlarged view of an essential part, FIG. 10 (b) is a side view, and FIG. 10 (c) is a cross-sectional view as viewed from above. 11 (a) to 11 (c) are views for explaining a second usage example of the terminal extraction jig according to the first embodiment of the present invention, and FIG. 11 (a) shows the attachment at a second position (FIG. 11 (b) is a side cross sectional view, and FIG. 11 (c) is a second locking convex portion engaged with the locking hole of the jig body at that time. It is a figure which shows that it is. 12 (a) to 12 (d) are diagrams for explaining a second usage example of the terminal extraction jig according to the first embodiment of the present invention, and FIG. 12 (a) shows the attachment at the second position (FIG. 12 (b) to 12 (d) are projections of the front holder by the terminal extraction jig holding the attachment at the second position (forward position). It is a sectional side view which shows in order the procedure in the case of releasing the latching of a terminal in a position without. 13 (a) and 13 (b) hold the attachment of the terminal extraction jig of the first embodiment at the second position (rear position) as an aid to the description of FIGS. 12 (b) to 12 (d). FIG. 13 (a) is a side view, and FIG. 13 (b) is a cross-sectional view from above, showing a state in which the release pin is inserted into the connector housing. Fig.14 (a), (b) is explanatory drawing of the terminal extraction jig of 2nd Embodiment of this invention, and Fig.14 (a) is a perspective view which shows the state before attaching an attachment to a jig main body. Fig. 14 (b) is a perspective view showing a state after attaching the attachment to the jig body. Fig.15 (a)-(c) is a block diagram of the attachment in 2nd Embodiment, FIG. 15 (a) is a perspective view, FIG.15 (b) is a front view, FIG.15 (c) is FIG. It is a DD arrow sectional view of. Fig.16 (a)-(d) is a figure which shows the state which hold | maintained the attachment of the terminal extraction jig of 2nd Embodiment of this invention in the 1st position (back position), and Fig.16 (a) is a perspective view 16 (b) is a side view, FIG. 16 (c) is a side cross sectional view, and FIG. 16 (d) is a first locking convex portion engaged with the locking hole of the jig body at that time. FIG. Fig.17 (a)-(d) is a figure which shows the state which hold | maintained the attachment of the terminal extraction jig of 2nd Embodiment of this invention in the 2nd position (front position), and Fig.17 (a) is a perspective view 17 (b) is a side view, FIG. 17 (c) is a side cross-sectional view, and FIG. 17 (d) is a second locking projection engaging with the locking hole of the jig body at that time. FIG. Fig.18 (a)-(d) is a figure which shows the state which hold | maintained the attachment of the terminal extraction jig of 2nd Embodiment of this invention in the 3rd position (foremost position), and FIG.18 (a) is a perspective view. Fig. 18 (b) is a side view, Fig. 18 (c) is a side cross sectional view, and Fig. 18 (d) is a third locking projection that engages with the locking hole of the jig body at that time. FIG. FIGS. 19 (a) and 19 (b) are operation explanatory diagrams in the case where the position of the attachment of the terminal extraction jig according to the second embodiment of the present invention is switched according to the working place, and FIG. 19 (a) is an attachment Is a side view showing a state in which the release pin is inserted into the connector housing after holding the connector in the first position, and FIG. 19 (b) is a diagram showing the release pin inserted into the connector housing after holding the attachment in the second position. It is a side view which shows a state.

  Specific embodiments of the present invention are described below with reference to the figures.

First Embodiment
The terminal extraction jig of the first embodiment will be described with reference to FIGS. 1 to 7.
Fig.1 (a), (b) is explanatory drawing of the terminal extraction jig of 1st Embodiment of this invention, FIG. 1 (a) is a perspective view which shows the state before attaching an attachment to a jig main body 1 (b) is a perspective view showing a state after the attachment is attached to the jig body. 2 (a) to 2 (c) are structural views of the attachment, FIG. 2 (a) is a perspective view, FIG. 2 (b) is a front view, and FIG. 2 (c) is FIG. 2 (b). It is AA arrow sectional drawing.

  As shown in FIGS. 1A and 1B, the terminal extraction jig 1 according to the first embodiment includes a jig body 10 and an attachment 30 made of resin.

  The jig body 10 has a prismatic holding portion 11 made of resin or the like, and a release pin 12 projecting forward from one end face in the longitudinal direction of the holding portion 11 (hereinafter, this face is referred to as “front end face 19”). And have. The release pin 12 is made of metal, and the base end thereof is buried and fixed in the holding portion 11.

  The release pin 12 of the jig body 10 of the present embodiment is not a single rod-like body, but is a horizontal bar 13 that connects two strip plate-like pins 12A and 12B and the root side of the two pins 12A and 12B. And have. Therefore, the release pin 12 has a substantially H-shaped cross section. The two pins 12A, 12B are laterally juxtaposed longitudinally oriented in the width direction, and extend parallel to each other along the longitudinal direction. The horizontal bar 13 horizontally connects the range of the predetermined length on the root side of the two pins 12A and 12B. Hereinafter, the two pins 12A and 12B are also referred to as "release pins" for the sake of convenience.

  The two release pins 12A and 12B apply a releasing pressure to the operated pieces provided on both sides of the lance by being inserted on both sides of one lance in the connector housing It is. The connector of the terminal extraction object provided with this lance will be described later.

  Referring back to FIGS. 1A and 1B, the two strip-shaped release pins 12A and 12B are connected to each other by the horizontal bar 13 at the root side, but are divided into two at the tip side. Each release pin 12A, 12B is configured as a pin main body 14 having a large vertical width in the range of a predetermined length on the root side, and is configured as an insertion portion 15 whose vertical width is smaller than the pin main body 14 at the tip end.

  At the boundary between the rear end of the insertion portion 15 on the front end side and the front end of the pin body 14 on the rear end, a step that abuts on the front end of the connector housing as an insertion restricting portion when the release pin 12 is inserted into the connector housing Sixteen are provided. Further, an inclined surface for efficiently transmitting the force in the insertion direction of the release pins 12A and 12B as a force in the locking release direction to a lance (not shown) is provided on the tip 15a of the insertion portion 15, for example.

Here, the length from the front end face 19 of the holding portion 11 to the tips 15a of the release pins 12A and 12B is P1 (hereinafter, the length of the portion embedded in the holding portion 11 is ignored, and this P1 is a release pin 12A , 12B full length)). The length of the insertion portion 15 is P2, and the length of the pin body 14 is P3. Then,
P1 = P2 + P3
Relationship is established.

Further, locking holes 18 (not a hole but a locking recess) for positioning the attachment 20 are provided as locking means on both side surfaces of the holding portion 11 near the front end. Assuming that the distance between the locking hole 18 and the front end face 19 of the holding portion 11 is P4, the length P5 from the locking hole 18 to the step portion 16 of the release pins 12A and 12B is
P5 = P3 + P4
It is. Further, a length P6 from the locking hole 18 to the tip 15a of the release pins 12A, 12B is
P6 = P1 + P4
It is.

  On the other hand, the attachment 30 is made of a resin integral molding. The attachment 30 has a square box-shaped attachment main body 31 as shown in FIGS. The attachment body 31 is in the form of a square tube having an upper plate 31a, a lower plate 31b, and left and right side plates 31c, and the rear end face is open. A window 32 is opened on the upper surface side and the lower surface side of the front portion of the attachment body 31. Further, at the front end of the attachment main body 31, a guide portion 33 in the form of a square pole is integrally provided in a protruding manner.

  The cross-sectional size of the rectangular columnar guide portion 33 is smaller than that of the rectangular cylindrical attachment body 31, and a step 34 is provided at the boundary between the rear end of the guide portion 33 and the front end of the attachment body 31. The window portion 32 is opened on the front upper surface side and the lower surface side of the attachment main body 31, so the step portion 34 is provided only at the boundary with the left and right side plates 31c.

  A guide groove 36 is formed in the inside of the rectangular prism-shaped guide portion 33 along the longitudinal direction. The guide groove 36 penetrates from the front end surface 35 A to the rear end surface 35 B of the guide portion 33, and the rear end communicates with the inside of the attachment main body 31. The release pin 12 of the jig body 10 is inserted into the guide groove 36.

  The guide groove 36 has an H-shaped cross section, and includes longitudinal groove portions 37A, 37B through which the two release pins 12A, 12B are inserted, and a lateral groove portion 37C through which the horizontal bar 13 is inserted. The front end face 35A of the guide portion 33 corresponds to the front end face of the attachment 30, and may be simply referred to as the front end 35A of the attachment 30. The distance from the step 34 to the front end face 35A is set to Q1. Further, the distance from the step 34 to the rear end of the attachment body 31 is set to Q2. Therefore, the dimension of Q1 + Q2 is the total length of the attachment 30.

  The internal space of the attachment main body 31 is formed in a square cross section large enough to accommodate the square columnar holding portion 11 of the jig main body 10 from the rear end opening. Further, the guide groove 36 inside the guide portion 33 is formed so that the release pin 12 can be inserted when the holding portion 11 of the jig main body 10 is accommodated inside the attachment main body 31.

  On the inner surface of both side plates 31c of the attachment main body 31, first and second two locking projections 38A and 38B are provided at intervals in the axial direction. The two locking projections 38A, 38B are aligned on the same straight line along the longitudinal direction. The two locking convex portions 38A, 38B are portions selectively engaged with the locking holes 18 provided on the side surface of the holding portion 11 of the jig body 10, and correspond to locking means.

  The front first locking projection 38A is disposed at a distance Q5 from the step 34. Accordingly, the first locking projection 38A is located at a distance Q11 = Q1 + Q5 from the front end face 35A. The rear second locking projection 38B is disposed at a distance Q6 from the front first locking projection 38A. Accordingly, the second locking projection 38B is located at a distance Q12 = Q11 + Q6 from the front end face 35A.

The dimensions of the jig body 10 and the dimensions of the attachment 30 are summarized as follows.
(1) The distance from the locking hole 18 of the jig body 10 to the step 16 of the release pin 12 is P5.
(2) The distance from the locking hole 18 of the jig body 10 to the tip 15 a of the release pin 12 is P6.
(3) The distance from the step portion 16 of the release pin 12 of the jig body 10 to the tip 15a is P2.
(4) The distance from the first locking projection 38A of the attachment 30 to the front end face 35A is Q11.
(5) The distance from the second locking projection 38B of the attachment 30 to the front end surface 35A is Q12.
(6) The distance between the first locking projection 38A of the attachment 30 and the second locking projection 38B is Q6.

Therefore, Q11, Q12, and P5 are set to satisfy the following relationship.
Q11 <P5 <Q12 (A)
The relationship between Q11 and P5 is desirably Q11 <P5, but may be Q11 = P5.

  Since the condition (A) is satisfied, the attachment 30 is positioned forward, and the first locking projection 38A of the attachment 30 is engaged with the locking hole 18 of the jig body 10 At this time, the step portion 16 of the release pin 12A, 12B is located forward of the front end surface 35A of the attachment 30. That is, the steps 16 of the release pins 12A and 12B are exposed from the attachment 30.

  In addition, when the attachment 30 is positioned rearward and the second locking projection 38B of the attachment 30 is engaged with the locking hole 18 of the jig body 10, the step 16 of the release pins 12A and 12B is , And 30 on the rear side of the front end surface 35A of the attachment 30. That is, the step 16 of the release pins 12A and 12B is hidden inside the attachment 30. The details of these points will be described in the explanation of the action.

Next, the connector of the terminal extraction object by terminal extraction jig 1 of an embodiment is explained.
FIG. 3 is a perspective view of the connector as viewed from the front. Fig.4 (a)-(c) is a block diagram of the same connector, FIG. 4 (a) is a front view, FIG.4 (b) is the enlarged view of the part with the short terminal of FIG. 4 (a), (C) is an enlarged view of the part without the short terminal of Fig.4 (a). 5 (a) and 5 (b) are explanatory views of the connector and the terminal extraction jig, and FIG. 5 (a) is a sectional view taken along the line B-B in FIG. 4 (a) (with short terminals 5B shows a first position (rear position) of the attachment for extracting the terminal (terminal located on the upper side of the short terminal) in the cross section of FIG. 5A. ) Is a perspective view of the terminal extraction jig showing a state where it is set to. 6 (a) and 6 (b) are explanatory views of the connector and the terminal extraction jig, and FIG. 6 (a) is a sectional view taken along the line C-C in FIG. 6 (b) shows the position of the attachment at the second position (forward position) in order to extract the terminal (terminal located above the short terminal) in the cross section of FIG. 6 (a). It is a perspective view of a terminal extraction jig of an embodiment showing a state where it is set to.

  As shown in FIG. 3, FIG. 4, FIG. 5 (a), and FIG. 6 (a), this connector 201 accommodates and fixes a plurality of terminals 250 inside the connector housing 200. The connector housing 200 includes a connector housing body 210 and a front holder 220. A terminal accommodating chamber 212 is provided in the connector housing main body 210. The connector housing 210 is provided with lances 214 facing the terminal accommodating chamber 212 respectively.

  The terminal 250 is inserted into the terminal accommodating chamber 212 from the rear of the connector housing main body 210, and is prevented from being removed rearward by the lance 214. The front holder 220 is attached to the front of the connector housing main body 210 from the front, and thereby functions to restrict the deflection of the lance 214. Thus, the terminal 250 is primarily locked by the lance 214 and is secondarily locked by the front holder 220. When mounted on the connector housing main body 210, the front holder 220 can be held at a main locking position that controls the bending of the lance 214 and a temporary locking position that allows the bending of the lance 214 in front of that. There is.

  FIGS. 5A and 6A show the front holder 220 held in the temporary locking position that allows the lance 214 to bend. From this position, by pushing the front holder 220 toward the connector housing main body 210 by the dimension E, the front holder 220 reaches the main locking position for locking the deflection of the lance 214.

  Now, this connector 201 is set to the specification which shorts two specific terminals 250, and is provided with the short terminal 230 for realizing it. The shorting terminal 230 shorts the terminals 250 by contacting two specific terminals 250. However, when the mating connector is properly connected, the shorting occurs because the contact with the terminal 250 is broken. It is provided to release the state.

  As shown in FIG. 3 and FIG. 5A, a convex portion 222 is provided at a front portion of the front holder 220 at a portion where the short terminal 230 is provided. The projection 222 acts as a wall for restricting the insertion of the release pin 12 when the locking of the terminal 250 by the lance 214 is released. That is, since the convex portion 222 is only at a specific position, the position of the wall which restricts the insertion of the release pin 12 is different between the position where the convex portion 222 is present and the position where the convex portion 222 is not.

  Therefore, as shown in FIG. 5A, when the terminal 250 (terminal on the upper side of the short terminal 230) is extracted at the position where the convex portion 222 is located, the front surface of the convex portion 222 is the insertion restriction wall of the release pin 12 Therefore, the form of the terminal extraction jig 1 is adjusted based on the position of the front surface of the convex portion 222. That is, as shown in FIG. 5B, by adjusting the position of the attachment 30, the insertion restriction depth of the release pin 12 is set to P2. Further, as shown in FIG. 6A, when the terminal 250 (terminal other than the terminal on the upper side of the short terminal 230) is extracted at the position without the convex portion 222, the position without the convex portion 222 of the front holder 220. Since the front face of the front part serves as the insertion restricting wall of the release pin 12, the form of the terminal extraction jig 1 is adjusted based on the position of the front face of the front holder 220 at a position without the convex part 222. That is, as shown in FIG. 6B, by adjusting the position of the attachment 30, the insertion restriction depth of the release pin 12 is set to P7 (where P7 <P2).

  The front holder 220 and the connector housing 210 are provided in advance with a path for inserting the release pin 12 when the terminals are extracted. The position shown by A in the enlarged view of FIG. 4 is the position of the insertion path of the two release pins 12A and 12B. One lance 214 is formed to have released portions (not shown) on both sides, and the tips of the two release pins 12A and 12B are inserted toward the released portions to be released. By pressing and displacing the portion, the lance 214 can be displaced to the locking release position.

<Description of action>
Next, the operation of the terminal extraction jig 1 of the present embodiment will be described.
Before that, the problem in the case where the attachment is not attached will be described.
FIGS. 7 (a) and 7 (b) are explanatory views of a comparative example of the terminal extraction jig of the first embodiment, and FIG. 7 (a) is to release the locking of the terminal at the position where the convex portion of the front holder is located. FIG. 7B is a side view showing a state in which the locking of the terminal is about to be released at a position where there is no protrusion of the front holder.

<Comparative example: problem when not attaching attachment>
As shown schematically in FIG. 7, the front holder 220 is attached to the front of the connector housing main body 210 of the connector 200 to be targeted here, as described above. At the front of the front holder 220, a convex portion 222 is provided at a predetermined position. Now, the conditions for releasing the locking of the lance are different between the case where the locking of the terminal is released at the position where the convex portion 222 is present and the case where the locking of the terminal is released where the convex portion 222 is not present.

  That is, when the locking of the terminal is released at a position where the convex portion 222 is present, the insertion depth of the release pin 12 of the terminal extraction jig is restricted by the convex portion 222 because the convex portion 222 is present. For example, as shown in FIG. 7A, it is assumed that the insertion depth is restricted to the distance of T2 from the front surface of the convex portion 222. In that case, the distance P2 from the step portion 16 of the release pin 12 functioning as the insertion restricting portion to the tip 15a of the release pin 12 is set as P2 = T2.

  Thus, when the tip 15a of the release pin 12 is inserted into the connector 200, the step 16 of the release pin 12 abuts against the front surface of the convex portion 222 of the front holder 220 (connector housing). Thereby, the insertion depth of the tip 15a of the release pin 12 can be regulated to T2 (= P2). Therefore, the tip end 15a of the release pin 12 is excessively inserted to the back side, and as a result, there is no risk of damaging the lance or the like or deforming the tip side of the release pin 12.

  On the other hand, the case where it is going to cancel | release latching of a terminal in the position without the convex part 222 of the front holder 220 is demonstrated. In that case, as shown in FIG. 7B, it is assumed that the insertion depth of the release pin 12 from the front surface of the front holder 220 without the convex portion 222 is restricted to T1 smaller than T2. However, when the release pin 12 is inserted, there is no abutting portion (convex portion 222) of the step portion 16. Therefore, even if the tip 15a of the release pin 12 reaches the lance, there is a gap D between the step portion 16 and the front holder 220, and the tip 15a of the release pin 12 is inserted to the back side excessively. There is a possibility of As a result, the lancet or the like may be damaged by the tip 15 a of the release pin 12 or the tip side of the release pin 12 may be deformed.

First Embodiment Action when Attachment is Attached
In this respect, by attaching the attachment 30 to the jig body 10, in both of the cases described above (that is, when unlocking the terminal at the position where the convex portion 222 of the front holder 220 is present), the convex portion of the front holder 220 (In the case where the locking of the terminal is released at a position without 222).

  When terminal extraction work is performed using the terminal extraction jig 1 of the first embodiment, first, the attachment 30 is attached to the jig body 10 as shown in FIG. That is, the holding portion 11 of the jig main body 10 is accommodated inside the attachment main body 31 while inserting the release pin 12 into the guide groove 36 of the guide portion 33 of the attachment 30.

In this state, the attachment 30 is mounted so as to be movable relative to the jig body 10 in the longitudinal direction.
Therefore, first, the attachment 30 is moved to and held at the rear first position in preparation for unlocking the terminal at the position where the convex portion 222 of the front holder 220 is located. FIG. 1 (b) shows the state.

  8 (a) to 8 (c) are side views showing a state in which the attachment 30 of the terminal extraction jig 1 is held at the first position (rear position), (b) is a side sectional view, and (c) is then It is a figure which shows that it is the 1st latching convex part 38A engaged with the locking hole 18 of the jig | tool main body 10. FIG.

  When the attachment 30 is moved to the first position on the rear side with respect to the jig body 10 (movement in the direction of arrow S1), as shown in FIGS. The locking projection 38A engages with the locking hole 18 of the jig body 10. Thus, the jig body 10 and the attachment 30 are held at the first position.

  When being held at the first position, the step 16 of the release pins 12A and 12B is positioned forward of the front end surface 35A of the attachment 30 by satisfying the condition (Q11 <P5) described above (A). Located in That is, the steps 16 of the release pins 12A and 12B are exposed from the attachment 30.

  FIGS. 9 (a) to 9 (d) are diagrams for explaining a first usage example of the terminal extraction jig 1, and FIG. 9 (a) is a diagram showing the attachment 30 held at the first position (rear position). 9 (b) to 9 (d) show the projections 222 of the front holder 220 by the terminal extraction jig 1 holding the attachment 30 at the first position (rear position). It is a sectional side view which shows in order the procedure in the case of releasing a stop of terminal 250 in a certain position. 10 (a) to 10 (c) show the connector housing 200 after holding the attachment 30 of the terminal extraction jig 1 at the first position (rear position) as an aid to the description of FIGS. 9 (b) to 9 (d). FIG. 10 (a) is an enlarged view of an essential part, FIG. 10 (b) is a side view, and FIG. 10 (c) is a cross-sectional view as viewed from above.

  In order to unlock the terminal at the position where the convex portion 222 of the front holder 220 is located, as shown in FIG. 9A, the terminal extraction jig 1 holding the attachment 30 at the first position (rear position) Using. That is, as shown in FIGS. 9 (b) to 9 (d) and 10 (a) to 10 (c), the tip 15a of the release pin 12 (12A, 12B) is inserted into the connector housing (through the front holder). Insert into Then, the step portion 16 of the release pin 12 abuts on the front surface of the convex portion 222 of the front holder 220, whereby the insertion depth of the tips 15a of the release pins 12A and 12B is restricted to P2. Then, while the insertion depth is regulated to P2, the locking release of the terminal 250 by the lance 214 (see FIG. 5A) is performed by the tips 15a of the release pins 12A and 12B inserted to the insertion depth P2. It will be.

  Next, in the case where the locking of the terminal is released at a position where the convex portion 222 of the front holder 220 is not present, the attachment 30 is moved to the second position on the front side and held.

  11 (a) to 11 (c) are side views showing a state in which the attachment 30 of the terminal extraction jig 1 is held at the second position (forward position), (b) is a side sectional view, and (c) is then It is a figure which shows that it is the 2nd locking convex part 28B engaged with the locking hole 18 of the jig | tool main body 10. FIG.

  When the attachment 30 is moved to the second position on the front side with respect to the jig body 10 (movement in the arrow S2 direction), as shown in FIGS. 11 (a) to 11 (c), the second one on the rear side of the attachment 30 The locking projection 38 B engages with the locking hole 18 of the jig body 10. Thus, the jig body 10 and the attachment 30 are held at the second position.

  When held in the second position, the step 16 of the release pins 12A and 12B is later than the front end face 35A of the attachment 30 because the condition (P5 <Q12) described above (A) is satisfied. Located on the side. That is, the steps 16 of the release pins 12A and 12B are accommodated in the attachment 30 and hidden.

  12 (a) to 12 (d) are diagrams for explaining a second usage example of the terminal extraction jig 1, and FIG. 12 (a) is a diagram showing the attachment 30 held at the second position (forward position). 12 (b) to 12 (d) show the projections 222 of the front holder 220 by the terminal extraction jig 1 holding the attachment 30 at the second position (forward position). It is a sectional side view which shows in order the procedure in the case of releasing the latching of the terminal 250 in a non-position. 13A and 13B show the connector housing 200 after holding the attachment 30 of the terminal extraction jig 1 at the second position (rear position) as an aid to the description of FIGS. 12B to 12D. FIG. 13A is a side view, and FIG. 13B is a cross-sectional view as viewed from above, showing a state in which the release pin 12 is inserted therein.

  In order to release the locking of the terminal at the position where the convex portion 222 of the front holder 220 is absent, as shown in FIG. 12A, the terminal removal jig 1 holding the attachment 30 at the second position is used. . That is, as shown in FIGS. 12 (b) to 12 (d) and FIGS. 13 (a) and 13 (b), the tips 15a of the release pins 12A and 12B are connected to the connector housing 200 (through the front holder 220) Insert inside Then, the front end surface 35A of the attachment 30 abuts on the front surface of the front holder 220 without the convex portion 222, whereby the insertion depth of the tips 15a of the release pins 12A and 12B is restricted to P7.

  Here, the dimension P7 is a projection length of the release pins 12A and 12B from the front end surface 35A of the attachment 30. The protrusion length P7 is naturally smaller than P2, and P7 = P6-Q12. Then, while the insertion depth is regulated to P7, the locking of the terminal by the lance 214 is performed by the tips 15a of the release pins 12A and 12B inserted to the insertion depth P7.

  Thus, by switching the position of the attachment 30 mounted on the jig body 10, the effective length of the tip of the release pin 12 (12A, 12B) (that is, the length that can be inserted into the connector housing) can be changed. . For example, when the attachment 30 is moved to the first position on the rear side, the insertion restriction portion (step portion 16) of the release pins 12A and 12B is brought into contact with the front end of the connector housing (the front surface of the convex portion 222 of the front holder 220). The insertion depth of the release pins 12A and 12B can be increased (insertion depth = P2).

  When the attachment 30 is moved to the second position on the front side, the front end face 35A of the attachment 30 is brought into contact with the front end of the connector housing (the front surface of the front holder 220 without the convex portion 222), thereby releasing the release pins 12A and 12B. Insertion depth can be reduced (insertion depth = P7 <P2).

  Therefore, even when the distance from the front end of the connector housing to the lance is different, the insertion depth of the tip of the release pin 12 (12A, 12B) is managed to an appropriate value by switching the position of the attachment 30. Can. As a result, even if a dedicated jig is not prepared, the locking of the terminal by the lance can be released without deforming the release pin 12 or damaging the lance.

Second Embodiment
Next, a terminal extraction jig according to a second embodiment will be described with reference to FIGS.
14 (a) and 14 (b) are explanatory views of a terminal extraction jig according to a second embodiment of the present invention, and FIG. 14 (a) is a perspective view showing a state before attaching the attachment to the jig body. FIG. 14 (b) is a perspective view showing a state after attaching the attachment to the jig body. 15 (a) to 15 (c) are structural views of the attachment in the second embodiment, and FIG. 15 (a) is a perspective view, FIG. 15 (b) is a front view, and FIG. 15 (c) is FIG. It is a BB arrow sectional view of (b).

  As shown in FIGS. 14 and 15, the difference between the terminal extraction jig 2 of the second embodiment and the terminal extraction jig 1 of the first embodiment is as follows. That is, by extending the length of the attachment 50 (attachment main body 31), the attachment 50 can be moved to and held at three positions of the first position, the second position, and the third position with respect to the jig main body 10. The point is There are no other differences in the configuration, so only the differences will be described and the description of the same points will be omitted.

  In the attachment 50, the length of the attachment body 31 is extended rearward by an appropriate dimension than that of the first embodiment. The distance from the stepped portion 34 to the rear end of the attachment body 31 is Q3, and the total length of the attachment 50 also extends by the length Q2 of the attachment 30 of the first embodiment extended to Q3. And, in addition to the first locking convex portion 38A and the second locking convex portion 38B arranged in order from the front, the third locking convex portion 38C is provided on the inner surface of the side plate 31c of the extended portion. It is provided. The third locking projections 38C are also arranged on the same straight line as the two front locking projections 38A, 38B. The third locking projection 38C is disposed at a distance Q7 from the second locking projection 38B. Accordingly, the third locking projection 38C is located at a distance Q13 = Q12 + Q7 from the front end surface 35A of the attachment 50.

Again, the dimensions of the jig body 10 and the dimensions of the attachment 50 are as follows.
(1) The distance from the locking hole 18 of the jig body 10 to the step 16 of the release pin 12 is P5.
(2) The distance from the locking hole 18 of the jig body 10 to the tip 15 a of the release pin 12 is P6.
(3) The distance from the step portion 16 of the release pin 12 of the jig body 10 to the tip 15a is P2.
(4) The distance from the first locking projection 38A of the attachment 50 to the front end surface 35A is Q11.
(5) The distance from the second locking projection 38B of the attachment 50 to the front end face 35A is Q12.
(6) The distance from the third locking projection 38B of the attachment 50 to the front end face 35A is Q13.
(7) The distance between the first locking projection 38A of the attachment 30 and the second locking projection 38B is Q6.
(8) The distance between the second locking projection 38B of the attachment 30 and the third locking projection 38C is Q7.

Here, Q11, Q12, Q13, P5, and P6 are set to satisfy the following relationship.
Q11 <P5 <Q12 (A)
Q13> P6 ... (B)
The relationship between Q11 and P5 is desirably Q11 <P5, but may be Q11 = P5. Similarly, the relationship between Q13 and P6 is desirably Q13> P6, but may be Q13 = P6.

  As in the first embodiment, when the condition (A) is satisfied, the attachment 30 is located in the front, and the first engagement convex of the attachment 30 is formed in the engagement hole 18 of the jig main body 10. When the portion 38A is engaged, the step portion 16 of the release pin 12A, 12B is located forward of the front end surface 35A of the attachment 30. That is, the steps 16 of the release pins 12A and 12B are exposed from the attachment 30.

  Further, as in the first embodiment, when the attachment 30 is positioned rearward and the second locking projection 38B of the attachment 30 is engaged with the locking hole 18 of the jig body 10, the release pin The steps 16 of 12A and 12B are located rearward of the front end face 35A of the attachment 30. That is, the step 16 of the release pins 12A and 12B is hidden inside the attachment 30.

  Further, by satisfying the above condition (B), the attachment 30 is positioned further rearward, and the third engagement convex portion 38C of the attachment 30 is engaged with the engagement hole 18 of the jig main body 10 When this is done, the tip end 15 a of the release pin 12 is positioned rearward of the front end face 35 A of the attachment 30. That is, the tip 15 a of the release pin 12 is hidden inside the attachment 30. The details of these points will be described in the explanation of the action.

<Description of action>
Also in the case of performing the terminal extraction work using the terminal extraction jig 2 of the second embodiment, the usage can be completely the same as that of the terminal extraction jig 1 of the first embodiment.

  Fig.16 (a)-(d) is a figure which shows the state which hold | maintained the attachment of the terminal extraction jig of 2nd Embodiment of this invention in the 1st position (back position), and Fig.16 (a) is a perspective view 16 (b) is a side view, FIG. 16 (c) is a side cross-sectional view, and FIG. 16 (d) is a first locking projection that engages with the locking hole of the jig body at that time. FIG. 17 (a) to 17 (d) are diagrams showing a state in which the attachment of the terminal extraction jig according to the second embodiment of the present invention is held at the second position (forward position), and FIG. 17 (b) is a side view, FIG. 17 (c) is a side sectional view, and FIG. 17 (d) is a second locking projection that engages with the locking hole of the jig body at that time. FIG. FIGS. 19 (a) and 19 (b) are operation explanatory views in the case where the position of the attachment of the terminal extraction jig according to the second embodiment of the present invention is switched according to the working place, and FIG. 19B is a side view showing a state in which the release pin is inserted into the connector housing after holding the attachment in the first position, and FIG. 19B is a diagram showing the release pin inserted into the connector housing after holding the attachment in the second position It is a side view which shows a state.

  First, when unlocking the terminal at the position where the convex portion 222 of the front holder 220 is located, as shown in FIGS. 16A to 16D, the attachment 50 is moved to the first position on the rear side and held. Do. When the attachment 50 is moved to the first position on the rear side with respect to the jig body 10 (movement in the direction of arrow S1), the first engagement convex portion 38A on the front side of the attachment 50 is the engagement hole of the jig body 10 Engage with 18 Thus, the jig body 10 and the attachment 50 are held at the first position.

  When being held in the first position, the step 16 of the release pins 12A and 12B is located forward of the front end surface 35A of the attachment 50 by satisfying the condition (Q11 <P5) described above (A). Located in That is, the steps 16 of the release pins 12A and 12B are exposed from the attachment 50.

  While holding the attachment 50 in the first position, as shown in FIG. 19A, the tips 15a of the release pins 12A and 12B are inserted into the inside of the housing main body through the connector housing (the front holder). Then, the step portion 16 of the release pin 12 abuts on the convex portion 222 of the front holder 220, whereby the insertion depth of the tips 15a of the release pins 12A and 12B is restricted to P2. Then, while the insertion depth is regulated to P2, the locking of the terminal by the lance is performed by the tips 15a of the release pins 12A and 12B inserted to the insertion depth P2.

  Next, in the case where the locking of the terminal is released at the position where the convex portion 222 of the front holder 220 is not present, as shown in FIGS. 17A to 17D, the attachment 50 is moved to the second position on the front side and held. Do. When the attachment 50 is moved to the second position on the front side with respect to the jig body 10 (movement in the direction of arrow S2), the second locking projection 38B on the rear side of the attachment 50 is a locking hole of the jig body 10 Engage with 18 Thus, the jig body 10 and the attachment 50 are held at the second position.

  When held in the second position, the step portion 16 of the release pins 12A and 12B is later than the front end face 35A of the attachment 50 because the condition (P5 <Q12) described above (A) is satisfied. Located on the side. That is, the steps 16 of the release pins 12A and 12B are accommodated in the attachment 50 and hidden.

  With the attachment 50 held at this second position, as shown in FIG. 19B, the tips 15a of the release pins 12A and 12B are inserted into the inside of the housing main body through the connector housing (the front holder). Then, the front end surface 35A of the attachment 50 abuts on the position where the convex portion 222 of the front holder 220 does not exist, whereby the insertion depth of the tips 15a of the release pins 12A and 12B is restricted to P7.

  Here, the dimension P7 is a projection length of the release pins 12A and 12B from the front end surface 35A of the attachment 50. The protrusion length P7 is naturally smaller than P2, and P7 = P6-Q12. Then, while the insertion depth is regulated to P7, the locking of the terminal by the lance is performed by the tips 15a of the release pins 12A and 12B inserted to the insertion depth P7.

  Thus, by switching the position of the attachment 50 mounted on the jig body 10, the effective length of the tip of the release pin 12 (12A, 12B) (that is, the length that can be inserted into the connector housing) can be changed. . For example, when the attachment 50 is moved to the first position on the rear side, the insertion restriction portion (step portion 16) of the release pins 12A and 12B is brought into contact with the front end of the connector housing (the front surface of the convex portion 222 of the front holder 220). The insertion depth of the release pins 12A and 12B can be increased (insertion depth = P2).

  In addition, when the attachment 50 is moved to the second position on the front side, the front end face 35A of the attachment 50 is brought into contact with the front end of the connector housing (the front surface of the front holder 220 without the convex portion 222) to release the release pins 12A and 12B. Insertion depth can be reduced (insertion depth = P7 <P2).

  Therefore, even when the distance from the front end of the connector housing to the lance is different, the insertion depth of the tip of the release pin 12 (12A, 12B) is managed to an appropriate value by switching the position of the attachment 50. Can. As a result, even if a dedicated jig is not prepared, the locking of the terminal by the lance can be released without deforming the release pin 12 or damaging the lance.

Next, when the terminal extraction operation is completed, the attachment 50 is moved to the third position and held.
Fig.18 (a)-(d) is a figure which shows the state which hold | maintained the attachment of the terminal extraction jig of 2nd Embodiment of this invention in the 3rd position (foremost position), and FIG.18 (a) is a perspective view. FIG. 18 (b) is a side view, FIG. 18 (c) is a side cross sectional view, and FIG. 18 (d) is a third locking projection engaging with the locking hole of the jig body at that time. FIG.

  As shown in FIGS. 18 (a) to 18 (d), when the attachment 50 is moved to the third position on the front side of the second position with respect to the jig body 10 (movement in the direction of arrow S3), the attachment 50 is moved. The rearmost third locking projection 38 C engages with the locking hole 18 of the jig body 10. Thus, the jig body 10 and the attachment 50 are held at the third position.

  When being held at the third position, by satisfying the condition (Q13 <P6) described above (B), the tip 15a of the release pin 12A, 12B is on the rear side of the front end face 35A of the attachment 50. Located in That is, the tips 15a of the release pins 12A and 12B are accommodated in the attachment 50 and hidden.

  As described above, by positioning the attachment 50 at the third position, the tip 15 a of the release pins 12A and 12B can be accommodated inside the attachment 50. Moreover, the attachment 50 can be held at that position. Therefore, even if the tips 15a of the release pins 12A and 12B are not covered with a protective cap or the like, the protective cap can be substituted by the attachment 50, and safety can be secured.

  The present invention is not limited to the above-described embodiment, but includes other configurations and the like that can achieve the object of the present invention, and the following modifications and the like are also included in the present invention.

  For example, in the above embodiment, the attachment 30, 50 is provided with the locking projections 38A, 38B, 38C, and the jig body 10 is provided with the locking hole 18, but the attachment 30, 50 side A locking recess or locking hole may be provided in the case, and a locking protrusion may be provided on the jig body 10 side.

  Moreover, in the said embodiment, although the 2nd position is defined in one place, the restriction value of the insertion depth of the releasing pin can be set in multiple stages by providing a plurality of second positions.

Here, the features of the embodiment of the terminal extraction jig according to the present invention described above will be briefly summarized and listed in the following [1] and [2], respectively.
[1]
The connector housing (connector 200) is inserted from the front of the connector housing (connector 200) toward the lance in order to extract the terminal accommodated in the connector housing (connector 200) and locked by the lance, and the tip (15a) The connector housing of the release pin (12, 12A, 12B) and the release pin (12, 12A, 12B) along the length direction of the release pin (12, 12A, 12B) for releasing the locking of the terminal. The insertion depth of the tip (15a) of the release pin (12, 12A, 12B) in the connector housing (connector 200) is restricted by contacting the connector housing (connector 200) at the time of insertion into the (connector 200). A jig body (10) having an insertion restricting portion (step portion 16);
Moves between a first position on the jig body (10) and a second position, which is located on the tip side of the jig body (10) from the first position, detachably attached to the jig body (10) And the rear end (35A) is positioned at the same position as or behind the insertion restricting portion (step portion 16) of the release pin (12, 12A, 12B) when in the first position, and the second The front end (35A) of the release pin (12, 12A, 12B) is located forward of the insertion restricting portion (step portion 16) of the jig body (10) when in the position, and in the second position. When the front end (15a) is inserted into the connector housing (connector 200), the front end (35A) contacts the connector housing (connector 200) so that the front end (15a) of the release pin (12, 12A, 12B) Connector ha And managing attachment to regulate the insertion depth into the (connector 200) (30, 50),
The attachment (30, 50) is provided between the attachment (30, 50) and the jig body (10), and when the attachment (30, 50) is in the first position and in the second position. , 50) to the jig body (10) respectively (first locking means 38A, locking hole 18) and second locking means (second locking means) Portion 38B, locking hole 18),
Terminal extraction jig (1, 2) characterized by having.
[2]
It is a terminal extraction jig as described in [1] above,
The attachment (50) is provided movably to a third position in front of the second position in the jig body (10).
The third position is set as a position to receive the tip (15a) of the release pin (12, 12A, 12B) inside the attachment (50) when the attachment (50) is in the third position. And
Furthermore, when the attachment (50) is in the third position between the attachment (50) and the jig body (10), the attachment (50) can be locked to the jig body (10) A third locking means (third locking projection 38C, locking hole 18) is provided,
Terminal extraction jig characterized by (2).

1, 2 Terminal removal jig 10 Jig body 12, 12A, 12B Release pin 15a Tip 16 step part (insertion restriction part)
18 Locking hole (first to third locking means)
30, 50 attachment 35A front end face (front end)
38A first locking projection (first locking means)
38 B Second locking projection (second locking means)
38C Third Locking Projection (Third Locking Means)
200 connector (connector housing)

Claims (2)

And a release pin which is inserted from the front of the connector housing toward the lance to extract the terminal accommodated in the connector housing and locked by the lance, and the tip of the connector housing unlocks the terminal by the lance; An insertion restricting portion that restricts the insertion depth of the tip of the release pin into the connector housing by touching the connector housing at the time of insertion of the release pin into the connector housing midway in the length direction of the release pin; A jig body having a
It is detachably mounted on the jig body and movably mounted between a first position in the jig body and a second position located on the tip side of the jig body from the first position, the first position When the front end is at the same position as or behind the insertion restricting portion of the release pin, and at the second position, the front end is forward of the insertion restricting portion of the jig body, the second position An attachment that restricts the insertion depth of the tip of the release pin into the connector housing by the front end touching the connector housing when the tip of the release pin is inserted into the connector housing in the state of
A first lock which is provided between the attachment and the jig body, and which can lock the attachment to the jig body when the attachment is in the first position and in the second position. Means and second locking means;
A terminal extraction jig characterized by comprising: A terminal extraction jig according to claim 1, wherein
The attachment is movably provided to a third position in front of the second position in the jig body.
The third position is set as a position for receiving the tip of the release pin inside the attachment when the attachment is in the third position,
Furthermore, a third locking means is provided between the attachment and the jig body, which can lock the attachment to the jig body when the attachment is in the third position.
Terminal extraction jig characterized by

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