JP5817672B2 - connector - Google Patents

Description

  The present invention relates to a connector having a hood portion.

  Conventionally, a connector described in Patent Document 1 is known as a connector in which terminals are arranged inside a hood portion. The connector includes a connector housing having a hood portion that can be fitted to the mating connector, and a terminal that is locked to a lance formed in the connector housing and protrudes into the hood portion.

JP-A-7-65890

  In the above configuration, when removing the terminal from the connector housing, first, a release jig for releasing the lock between the terminal and the lance is inserted from the hood portion, and this release jig is engaged with the lance. Let Next, the lance is bent and deformed by a release jig to release the locking between the lance and the terminal.

  However, according to the above configuration, since the release jig must be inserted into the hood portion in order to engage with the lance located deeper in the back wall of the hood portion, the terminal and the lance are locked. The release work to release was very troublesome. Further, if the release jig is inadvertently inserted into the hood, there is a risk that the release jig and the terminal come into contact with each other to cause problems such as deformation of the terminal. For this reason, since it is necessary to perform the release work carefully, the release work has become more troublesome.

  The present invention has been completed based on the above circumstances, and an object of the present invention is to provide a connector with improved efficiency of terminal removal work.

  The present invention is a connector, a main body housing provided with a lance, a terminal provided with a protruding portion protruding from the main body housing while being held by the main body housing by being engaged with the lance, A hood portion that is attached to a front portion of the main body housing in the protruding direction of the protruding portion and in which the protruding portion is disposed, and a direction that intersects the protruding direction of the protruding portion with the hood portion and the main body housing And a support portion that is rotatably supported about the rotation axis of the main body housing, and the body housing is opened forward in the protruding direction from a position corresponding to the lance, and the terminal and the lance. A jig insertion hole for inserting a release jig for releasing the engagement with the hood part is formed, and the hood part has a front part when the hood part and the main body housing are relatively rotated. On a path projecting portion moves, retracting section to avoid interference with the projecting portion is formed in communication with the inside and outside of the hood portion.

  According to the present invention, when the hood portion and the main body housing are relatively rotated with the direction intersecting the protruding direction of the protruding portion as a rotation axis, the terminal portion does not interfere with the hood portion by the retracting portion. Move outside the department. Thereby, the jig insertion hole of the main body housing is exposed to the outside of the hood portion. As a result, since the release jig can be easily inserted from the jig insertion hole and the engagement between the lance and the terminal can be released, the efficiency of the operation of removing the terminal from the connector can be improved.

  As embodiments of the present invention, the following embodiments are preferable. The main body housing or the hood portion includes a release position holding portion for holding the main body housing and the hood portion at a release position for performing a release operation for releasing the lock between the terminal and the lance by the release jig. Is preferred.

  According to said aspect, the cancellation | release operation | work with a terminal and a lance can be performed in the state in which the main body housing was hold | maintained at the cancellation | release position holding | maintenance part. Thereby, compared with the case where a main body housing and a hood part are not hold | maintained at a cancellation | release position, the efficiency of cancellation | release operation | work can be improved.

  ADVANTAGE OF THE INVENTION According to this invention, the efficiency of the operation | work which removes a terminal from a connector can be improved.

FIG. 1 is a cross-sectional view showing a connector according to Embodiment 1 of the present invention. FIG. 2 is a side view showing the hood portion. FIG. 3 is a plan view showing the hood portion. FIG. 4 is a side view showing a process of assembling the main body housing to the hood portion. FIG. 5 is a partially cutaway cross-sectional view showing an engaged state between the main body housing and the hood portion in the final locked state. FIG. 6 is a side sectional view showing a state in which the main housing is slightly rotated. FIG. 7 is a partially cutaway sectional view showing an engagement state between the main body housing and the hood portion in the state shown in FIG. FIG. 8 is a side sectional view showing the connector in the release position. FIG. 9 is a partially cutaway sectional view showing an engagement state between the main body housing and the hood portion in the state shown in FIG.

<Embodiment 1>
Embodiment 1 of the present invention will be described with reference to FIGS. The connector 10 according to the present invention includes a main body housing 11, a terminal 12 held by the main body housing 11, and a hood portion 13 attached to the main body housing 11. In the following description, the right side in FIG. Further, the upper side in FIG. 1 is the upper side and the lower side is the lower side. Further, the upper side in FIG. 3 is the right side, and the lower side is the left side.

(Main body housing 11)
The main body housing 11 is made of synthetic resin and has a block shape. A cavity 14 in which the terminal 12 is accommodated is formed inside the main body housing 11. The cavities 14 are formed in a plurality of stages (two stages in this embodiment) in the vertical direction. The cavity 14 is formed through the main body housing 11 in the front-rear direction. Inside the cavity 14, a lance 15 extending forward is formed at a position near the front end of the cavity 14. A jig insertion hole 17 for inserting a release jig 16 for releasing the engagement between the lance 15 and the terminal 12 is formed in the main body housing 11 at a position in front of the lance 15. In other words, the jig insertion hole 17 is formed to open forward from a position corresponding to the lance 15 in the main body housing 11.

(Terminal 12)
The terminal 12 is inserted into the cavity 14 from behind. The terminal 12 is formed by pressing a metal plate material into a predetermined shape. A protruding portion 18 that protrudes elongated is formed at the front end of the terminal 12. The protruding portion 18 protrudes forward (corresponding to the protruding direction) from the front end portion of the main body housing 11. The protruding portion 18 is formed in an elongated tab shape by bending a metal plate material. The terminal 12 in the present embodiment is a so-called male terminal having a tab-shaped protrusion 18.

  An engagement hole 19 that engages with the lance 15 is formed in a portion of the terminal 12 accommodated in the cavity 14. When the tip of the lance 15 abuts against the hole edge of the engagement hole 19 from the rear, the terminal 12 is prevented from coming off backward.

  A front stop 20 that protrudes downward is formed on the lower surface of the terminal 12. The front stop portion 20 comes into contact with a front stop wall 21 formed so as to protrude upward from the lower surface of the cavity 14 from behind. As a result, the terminal 12 is prevented from coming off forward.

  The terminal 12 has a wire barrel 24 that is crimped to the core 23 exposed from the end of the electric wire 22, and an insulation that is formed behind the wire barrel 24 and is crimped to the outer periphery of the insulating coating 25 of the electric wire 22. A barrel portion 26 is formed. The electric wire 22 and the terminal 12 are electrically connected by crimping the core wire 23 to the wire barrel portion 24.

  A rubber plug 27 is externally fitted to the electric wire 22 at a position behind the portion crimped to the insulation barrel portion 26. The outer peripheral surface of the rubber plug 27 and the inner peripheral surface of the cavity 14 are in close contact with each other. An electric wire 22 is led out from the rear end of the main body housing 11 to the rear.

(Food part 13)
The hood portion 13 is made of a synthetic resin and is formed to open forward. The hood portion 13 is attached to the front portion of the main body housing 11. In other words, the hood portion 13 is attached to the front portion of the main body housing 11 in the direction in which the protruding portion 18 of the terminal 12 protrudes (front-rear direction). A protrusion 18 is disposed in the opening of the hood 13. A mating connector (not shown) is fitted in the hood portion 13. By fitting the mating connector into the hood portion 13, the terminal 12 and the mating connector are electrically connected.

  As shown in FIG. 2, the hood portion 13 is formed with an extending wall 28 extending rearward from the rear end portion. The extending wall 28 has a substantially rectangular shape when viewed from the side. As shown in FIG. 3, the extension wall 28 is formed to extend rearward from the left and right end portions of the hood portion 13. The pair of extending walls 28 can be expanded and deformed in the left-right direction.

  As shown in FIGS. 4 and 5, the inner surface of the extension wall 28 is locked with a main locking portion 29 formed outwardly projecting on the outer surface of the main body housing 11, so that the main body housing 11 and the hood portion are locked. 13 is formed in a depressed manner to hold 13 in a fully locked state. The lock receiving portion 30 is formed at a position near the front end portion of the extending wall 28. The lock receiving portion 30 has a substantially rectangular shape when viewed from the side. On the other hand, the main locking portion 29 is formed at a position near the front end portion of the main body housing 11. The rear end edge of the main locking portion 29 abuts the rear end edge of the main locking receiving portion 30 from the front, so that the main body housing 11 is restricted from moving rearward. The rear end edge of the main locking portion 29 extends in the up-down direction, and the rear end edge of the main locking receiving portion 30 also extends in the up-down direction. Thereby, the rear end edge of the main locking portion 29 and the rear end edge of the main locking receiving portion 30 are reliably engaged.

(Support part)
As shown in FIGS. 4 and 5, on the side wall of the main body housing 11, a shaft portion 31 (support) that protrudes outward is located at a position near the front end portion and at a position behind the main locking portion 29. Equivalent to the portion). The shaft portion 31 is formed at a substantially central position in the vertical direction on the side wall of the main body housing 11. In the present embodiment, although not shown in detail, a pair of shaft portions 31 are formed so as to protrude in the left-right direction from the left and right side walls of the main body housing 11. In other words, the shaft portion 31 projects in a direction intersecting with the projecting direction (front-rear direction) of the projecting portion 18. The cross-sectional shape of the shaft portion 31 is circular.

  On the other hand, a bearing portion 32 (corresponding to a support portion) in which the shaft portion 31 is accommodated is recessed and formed on the inner surface of the extension wall 28. The bearing portion 32 is formed at a position near the front end portion of the extending wall 28 and is formed at a substantially central position in the vertical direction of the extending wall 28. The bearing portion 32 has a substantially rectangular shape when viewed from the side. The height dimension of the bearing portion 32 in the vertical direction is set to be the same as or slightly larger than the outer dimension of the shaft portion 31. The main body housing 11 and the hood portion 13 are relatively rotatable about the shaft portion 31 as a rotation shaft in a state where the shaft portion 31 is accommodated in the bearing portion. In other words, by holding the shaft portion 31 in the bearing portion 32, the main body housing 11 and the hood portion 13 are rotatably supported with the shaft portion 31 as a rotation center.

(Release position holding part 33)
As shown in FIGS. 4 and 5, the side surface of the main body housing 11 is positioned below the shaft portion 31 and at a position between the shaft portion 31 and the main locking portion 29 in the front-rear direction. A release position holding portion 33 that protrudes outward in the left-right direction is formed. The release position holding portion 33 is formed on both side surfaces of the main body housing 11. The cross-sectional shape of the release position holding part 33 is circular. In a state where the main body housing 11 is held at the main locking position with respect to the hood portion 13, the release position holding portion 33 is formed inside a recessed groove 34 formed to extend in the front-rear direction on the inner surface of the extension wall 28. It is to be accommodated.

  As shown in FIG. 9, in the state where the main body housing 11 is rotated counterclockwise in FIG. 8 with the shaft portion 31 as the rotation center, the release position holding portion 33 gets over the inner surface of the concave groove 34, It fits inside the bearing portion 32. Thereby, the main body housing 11 is held at a release position for releasing the engagement between the lance 15 and the terminal 12.

  Further, in the state shown in FIG. 9, the main locking portion 29 formed in the main body housing 11 is located inside the main locking portion escape portion 35 formed by being recessed in the inner surface of the extending wall 28. It is to be accommodated.

  As shown in FIG. 8, the jig insertion hole 17 is exposed above the hood portion 13 in a state where the main body housing 11 is held at the release position with respect to the hood portion 13. As a result, the release jig 16 can be inserted into the jig insertion hole 17 from above the hood portion 13. Thus, in the release position, the release work for releasing the engagement between the terminal 12 and the lance 15 is performed by the release jig 16.

(Evacuation part 36)
As shown in FIGS. 1 and 3, the upper wall of the hood portion 13 has a protruding portion 18 and a path along which the protruding portion 18 moves when the main body housing 11 and the hood portion 13 rotate relative to each other. The retracting portion 36 that avoids the interference is cut out and formed. By the retracting portion 36, the inside and the outside of the hood portion 13 are communicated. The opening edge of the retracting portion 36 has a substantially rectangular shape when viewed from above.

(Rotating motion)
6 and 7 show a state in which the main body housing 11 is slightly rotated counterclockwise in FIGS. 6 and 7 with the shaft portion 31 as the rotation center. As shown in FIG. 6, the retracting portion 36 prevents the protruding portion 18 from interfering with the upper wall of the hood portion 13. Further, as shown by a two-dot chain line in FIG. 7, the protruding portion 18 of the terminal 12 held in the lower cavity 14 is also suppressed from interfering with the upper wall of the hood portion 13 by the retracting portion 36. It has become.

  As shown in FIG. 7, the main locking portion 29 is disengaged upward from the main locking receiving portion 30 and extends between the main locking receiving portion 30 and the main locking portion escape portion 35. It is in a state of riding on the inner surface of. Further, the release position holding portion 33 is disengaged upward from the concave groove 34 and is in a state of riding on the inner surface of the extending wall 28 at a position between the concave groove 34 and the bearing portion 32.

  8 and 9 show a state in which the relative rotation operation of the main body housing 11 and the hood portion 13 has been completed. As shown in FIG. 9, in this state, the main locking portion 29 is accommodated inside the main locking portion relief portion 35, and the release position holding portion 33 is accommodated inside the bearing portion 32. Yes. Thereby, the main body housing 11 and the hood part 13 are hold | maintained in a cancellation | release position.

(Operation and effect of this embodiment)
Then, the effect | action and effect of this embodiment are demonstrated. First, an example of the assembly process of the connector 10 according to the present embodiment will be shown. The assembly process of the connector 10 is not limited to the following description.

  The terminal 12 is crimped to the end of the electric wire 22. Subsequently, the terminal 12 is inserted into the cavity 14 of the main body housing 11 from behind (in the direction indicated by the arrow A). Then, the lance 15 is elastically deformed by being pressed against the upper wall of the terminal 12, and thereafter is restored and deformed to engage with the engagement hole 19 of the terminal 12 from the rear. Thereby, the terminal 12 is prevented from coming out backward. Further, the front stop 20 of the terminal 12 abuts against the front stop wall 21 of the main body housing 11 from the rear. As a result, the terminal 12 is prevented from coming forward.

  Subsequently, as shown in FIG. 4, the main body housing 11 is assembled to the hood portion 13 from the rear. When the main body housing 11 is inserted between the pair of extending walls 28 from the rear, the pair of extending walls 28 are expanded and deformed in the left-right direction. Further, when the main body housing 11 is pushed forward, the main locking portion 29 fits inside the main locking receiving portion 30 and the shaft portion 31 fits inside the bearing portion 32. On the other hand, the release position holding part 33 is fitted into the concave groove 34. Thereby, the main body housing 11 is held with respect to the hood portion 13 at the final locking position. In this state, as shown in FIG. 1, the protruding portion 18 is arranged inside the hood portion 13. When the mating connector is fitted inside the hood portion 13, the terminal 12 and the mating connector are electrically connected.

  Next, the removal work of the terminal 12 will be described. As shown in FIGS. 6 and 7, the main body housing 11 and the hood portion 13 are relatively rotated with the shaft portion 31 as the rotation center. In the present embodiment, the main body housing 11 is rotated counterclockwise in FIG. Then, the main locking portion 29 is released upward from the main locking receiving portion 30, and the release position holding portion 33 is released upward from the concave groove 34. At this time, the projecting portion 18 moves in the space cut out by the retracting portion 36, so that the projecting portion 18 and the upper wall of the hood portion 13 do not interfere with each other.

  Further, the main body housing 11 is rotated as shown in FIGS. Then, the main locking portion 29 fits into the main locking portion escape portion 35 and the release position holding portion 33 fits inside the bearing portion 32. Thereby, the main body housing 11 and the hood part 13 are hold | maintained in a cancellation | release position.

  As shown in FIG. 8, when the main body housing 11 is held at the release position, the jig insertion hole 17 of the main body housing 11 is exposed to the outside of the hood portion 13. As a result, the operator can easily insert the release jig 16 into the jig insertion hole 17 from the direction indicated by the arrow B and bring it into contact with the lance 15 to engage the lance 15 with the terminal 12. It can be canceled. When the lance 15 is detached from the terminal 12, the terminal 12 is pulled out from the cavity 14 of the main body housing 11 by pulling the electric wire 22 backward. Thereby, the removal work of the terminal 12 is completed.

  As described above, according to the present embodiment, when the hood portion 13 and the main body housing 11 are relatively rotated with the direction intersecting the protruding direction of the protruding portion 18 as a rotation axis, the terminal 12 portion is retracted. The part 36 moves to the outside of the hood part 13 without interfering with the hood part 13. Thereby, the jig insertion hole 17 of the main body housing 11 is exposed to the outside of the hood portion 13. As a result, the release jig 16 can be easily inserted from the jig insertion hole 17. Next, the release jig 16 is abutted against the lance 15 to bend and deform the lance 15. Thereby, the engagement between the lance 15 and the terminal 12 can be released. As described above, according to the present embodiment, the release jig 16 can be easily inserted into the jig insertion hole 17, so that the efficiency of the operation of removing the terminal 12 from the connector 10 can be improved.

  In addition, according to the present embodiment, the main body housing 11 or the hood portion 13 moves the main body housing 11 and the hood portion 13 at the release position where the release jig 16 releases the engagement between the terminal 12 and the lance 15. The release position holding part 33 to hold is provided. Thus, the terminal 12 and the lance 15 can be released while the main body housing 11 is held by the release position holding portion 33. As a result, the efficiency of the release operation can be improved compared to the case where the main body housing 11 and the hood portion 13 are not held at the release position.

<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) In the present embodiment, the retracting portion 36 has a substantially rectangular shape when viewed from above, but is not limited thereto, and may be formed in a slit shape through which the protruding portion 18 can be inserted. Depending on the, it may be an arbitrary shape.

  (2) The release position holding unit 33 may be omitted.

  (3) In the present embodiment, the terminal 12 is a so-called male terminal in which the projecting portion 18 is formed in a tab shape. However, the present invention is not limited to this, and the projecting portion 18 is formed in a cylindrical shape inside the terminal 12. It is good also as what is called a female terminal which has an elastic tongue piece.

  (4) In the state where the main body housing 11 and the hood portion 13 are held at the final locking position, the retracting portion 36 may be closed by the lid portion.

  (5) The release position holding part 33 may be provided in the hood part 13.

DESCRIPTION OF SYMBOLS 10 ... Connector 11 ... Main body housing 12 ... Terminal 13 ... Hood part 15 ... Lance 16 ... Release jig 17 ... Jig insertion hole 18 ... Projection part 31. ..Shaft part (support part)
32 ... Bearing part (support part)
33 ... Release position holding part 36 ... Retracting part

Claims (2)

A body housing with a lance;
A terminal that is held by the main body housing by being engaged with the lance and has a protruding portion that protrudes from the main body housing;
A hood part that is attached to the front part of the projecting part in the projecting direction of the main body housing, and the projecting part is disposed inside;
A support portion that supports the hood portion and the main body housing so as to be relatively rotatable about a rotation axis in a direction intersecting a protruding direction of the protruding portion;
The body housing has a jig insertion hole that is opened forward from the position corresponding to the lance in the protruding direction and into which a release jig for releasing the engagement between the terminal and the lance is inserted. ,
The hood portion includes a retraction portion that avoids interference with the protrusion portion on the path along which the protrusion portion moves when the hood portion and the main body housing rotate relative to each other. A connector formed in communication with the outside.   The main body housing or the hood portion includes a release position holding portion that holds the main body housing and the hood portion at a release position for performing a release operation for releasing the engagement between the terminal and the lance by the release jig. The connector according to claim 1.

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