JP2009277588A - Connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent an increase in cost by eliminating the need for an exclusive member. <P>SOLUTION: A connector 1 includes: first and second housings 10, 30 which are fitted into each other; an electric wire cover 60 which is mounted on the second housing 30 so as to cover an electric wire drawing-out surface 31 thereof; and a lever 80 which is attached to the second housing 30, and in which both housings 10, 30 are put into a regular fitting state by a booster mechanism acted by performing displacement from an initial position to a final position. An engaging pin 83 is provided on the electric wire cover 60, an engaging groove 66 is formed at the lever 80, and the electric wire cover 60 is mounted so that a temporary locking position and a normal locking position are movable with respect to the second housing 30. By movement of the electric wire cover 60 to the normal locking position, the engaging pin 83 presses a grooving surface of the engaging groove 66, and the lever 80 is displaced to the final position. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a connector.

The connector described in Patent Document 1 includes first and second housings that can be fitted to each other, a holder that supports the second housing, and a lever that is disposed between the holder and the second housing so as to be engageable with both. It is configured with. The holder is movable between the temporary locking position and the main locking position with respect to the second housing. Further, the lever is rotated with the movement of the holder, and the two housings are brought into a normal fitting state by a booster mechanism that is exhibited by the rotation.
JP-A-11-26079

  In the above case, since the lever is rotated by the linear movement of the holder, it is preferably used in a place where it is difficult to rotate the lever. However, since it is necessary to prepare a dedicated holder separately from the lever, the cost is high.

  The present invention has been completed based on the above circumstances, and an object thereof is to prevent an increase in cost.

  As means for achieving the above object, the invention of claim 1 is directed to a first housing, a second housing that can be fitted into the first housing, and a second housing that is attached to the second housing. A wire cover that defines the direction of the wire drawn from the wire drawing surface by covering the wire drawing surface, and a booster that is mounted on either one of the housings and that is displaced by moving from the initial position to the completion position. The mechanism includes a boosting member that brings the two housings into a normal fitting state, the electric wire cover is provided with a pressing portion, the boosting member is provided with a pressing receiving portion, and the electric wire cover is The temporary locking position and the final locking position are movably attached to the second housing, and the wire cover moves from the temporary locking position to the final locking position. Ri, and the pressing portion presses the pressure receiving portion, having characterized in that the force multiplying member is configured to be displaced to the end position.

  According to a second aspect of the present invention, in the first aspect of the present invention, the booster member is configured by a lever that rotates from the initial position to the completion position, and exhibits a cam action by the rotation. One of the portion and the pressure receiving portion comprises an engagement pin, and the other comprises an engagement groove that receives the engagement pin and extends in a direction intersecting the fitting direction of the two housings. It is characterized in that the engagement pin moves in the engagement groove with rotation.

  According to a third aspect of the present invention, there is provided the booster mechanism according to the second aspect, wherein the engagement pin slides on the groove surface of the engagement groove, whereby a booster mechanism is provided between the engagement groove and the engagement pin. It has the feature in that.

  According to a fourth aspect of the present invention, there is provided the booster mechanism according to the second aspect, wherein the engagement pin slides on the groove surface of the engagement groove, whereby a booster mechanism is provided between the engagement groove and the engagement pin. It is characterized in that does not act.

  According to a fifth aspect of the present invention, the wire cover according to any one of the first to fourth aspects, wherein the electric wire cover extends from the temporary locking position to the final locking position of the electric wire to the second housing. It is characterized in that it moves in the same direction as the insertion direction.

  According to a sixth aspect of the present invention, in the device according to any one of the first to fifth aspects, the second housing is provided with a guide portion, the electric wire cover is provided with the guide receiving portion, and the guide It is characterized in that the movement of the wire cover from the temporary locking position to the final locking position is performed by engaging the part and the guide receiving part with each other.

  According to a seventh aspect of the present invention, the wire cover according to any one of the first to sixth aspects, wherein the electric wire cover is provided with a cover wall that covers substantially the whole of the booster member at the main locking position. It has a characteristic where it exists.

  According to an eighth aspect of the present invention, the wire cover according to any one of the first to seventh aspects is provided with a partition wall that avoids interference between the electric wire and the booster member. It is characterized by

<Invention of Claim 1>
The pressing portion presses the pressing receiving portion by the movement of the electric wire cover from the temporary locking position to the main locking position, and thereby the boosting member is displaced to the completion position. Therefore, the boosting member is displaced separately from the electric wire cover. Therefore, it is possible to reduce the number of parts and to increase the cost compared to preparing a dedicated member.

<Invention of Claim 2>
One of the pressing part and the pressing receiving part consists of an engaging pin, and the other consists of an engaging groove that receives the engaging pin and extends in a direction crossing the fitting direction of the two housings, Accordingly, the engagement pin moves in the engagement groove, so that the booster member is displaced in the return direction from the complete position to the initial position by moving the wire cover from the final lock position to the temporary lock position. You can also.

<Invention of Claim 3>
Since the booster mechanism acts between the engagement groove and the engagement pin, coupled with the booster mechanism of the booster member, the fitting speed of both housings is increased, and the moving stroke of the wire cover can be set small.

<Invention of Claim 4>
Since the booster mechanism does not act between the engagement groove and the engagement pin, the operation force per unit movement amount of the electric wire cover is reduced, and the electric wire cover can be moved smoothly.

<Invention of Claim 5>
Since the wire cover moves in the same direction as the direction in which the electric wire is inserted into the second housing, the movement of the electric wire cover can be performed smoothly when the movement of the electric wire cover is restricted in a direction crossing the direction in which the electric wire is inserted. it can.

<Invention of Claim 6>
Since the guide portion and the guide receiving portion engage with each other, movement guidance from the temporary locking position of the electric wire cover to the final locking position is performed, so that the electric wire cover is smoothly moved.

<Invention of Claim 7>
Since the electric wire cover is provided with a covering wall that covers substantially the entire booster member at the final locking position, the booster member is protected from the outside.

<Invention of Claim 8>
The electric wire cover is provided with a partition wall between the electric wire and the lever to avoid interference between the two, so that the booster member can be displaced smoothly and the electric wire can be damaged due to interference with the booster mechanism. Is prevented.

<Embodiment 1>
A first embodiment of the present invention will be described with reference to FIGS. The connector 1 according to the first embodiment includes a first housing 10, a second housing 30, and an electric wire cover 60 and a lever 80 that are attached to the second housing 30.

  The first housing 10 is made of synthetic resin, and as shown in FIGS. 1 and 6, a block-shaped terminal accommodating portion 11 that can accommodate a male terminal fitting (not shown), and a front end of the terminal accommodating portion 11 And a hood part 12 protruding forward. In the hood part 12, the front-end | tip part of a male terminal metal fitting protrudes and is arrange | positioned. A pair of receiving grooves 13 that extend in the front-rear direction and open to the front end are provided in the left and right side surfaces of the hood portion 12 at positions eccentric from the center in the width direction. Further, a pair of cylindrical follower pins 14 project from the left and right side surfaces of the hood portion 12 near the end of the receiving groove 13.

  The second housing 30 is made of synthetic resin and has a block shape capable of accommodating a female terminal fitting (not shown) as a whole, and can be fitted into the mating hood portion 12. Both housings 10 and 30 have an elongated shape in the width direction. As shown in FIG. 6, the rear surface of the second housing 30 is an electric wire extraction surface 31 from which an electric wire connected to the female terminal fitting is drawn, and an electric wire cover 60 is disposed so as to cover the electric wire extraction surface 31 from the rear. Has been.

  As shown in FIG. 5, locking portions 32 that lock the electric wire cover 60 are provided on both the left and right side surfaces of the second housing 30 so as to bend backward. The locking part 32 has a locking claw 33 protruding outward, and two pairs are provided on each of the left and right side surfaces. In addition, on both the left and right side surfaces of the second housing 30, guide portions 34 that can enter the receiving groove 13 are provided so as to be raised from the center in the width direction. The guide portion 34 has a flat base shape extending in the front-rear direction, and a pair of support shafts 35 are provided on the flat end surface so as to project the lever 80 so as to be rotatable.

  Next, the lever 80 will be described. The lever 80 is made of synthetic resin and is provided in pairs along the left and right side surfaces of the second housing 30 so that it can be displaced between the initial position and the completion position. Yes. Specifically, as shown in FIG. 1, the lever 80 has a plate shape as a whole, and a bearing hole 81 for receiving the support shaft 35 is provided therethrough. Further, the lever 80 has a gap between the left and right side surfaces of the second housing 30 by being raised by the guide portion 34, and the mating hood portion 12 can enter the gap from the front.

  The lever 80 is formed with a cam groove 82 that can be engaged with the follower pin 14. The end of the cam groove 82 reaches the vicinity of the bearing hole 81, and the start end of the cam groove 82 opens at the periphery of the lever 80. The lever 80 can rotate between an initial position and a completion position about the support shaft 35. At the initial position, the start end of the cam groove 82 opens forward, and the follower pin 14 can be received from the front. A substantially cylindrical engaging pin 83 is provided projecting outward at an end of the lever 80 away from the formation region of the cam groove 82 and the bearing hole 81.

  The electric wire cover 60 is also made of synthetic resin, and is attached to the rear end of the second housing 30. Between the temporary locking position and the main locking position, the front-rear direction (the direction in which both the housings 10 and 30 are fitted and detached). ) Can be moved. Specifically, the electric wire cover 60 has a cap shape as a whole, and as shown in FIG. 6, as shown in FIG. 6, a back plate 61 that faces the electric wire drawing surface 31 of the second housing 30 and is substantially parallel to each other, and both sides of the back plate 61. It consists of a pair of left and right side plates 62 projecting forward from the edge, and a closing plate 63 that is connected to both side plates 62 and the back plate 61 and closes one end in the width direction, and the other end in the width direction is opened as a wire outlet 64. ing. As shown in FIG. 7, the wire group 90 drawn from the wire drawing surface 31 of the second housing 30 is forcibly bendable by the back plate 61 and led out to the other side in the width direction through the wire drawing port 64. Is done.

  As shown in FIGS. 1 and 4, the side plate 62 is provided with a pocket-shaped cover wall 65 that bulges outward, covering substantially the entire lever 80 at the completion position. An engagement groove 66 that can engage with the engagement pin 83 is provided at one end of the cover wall 65 in the width direction so as to extend in the width direction. As the electric wire cover 60 moves, the engaging pin 83 slides on the groove surface of the engaging groove 66, so that the lever 80 is displaced between the initial position and the completed position, and the housings 10 and 30 are moved with low operating force. A boosting mechanism that can be fitted acts. A housing recess 67 of the lever 80 is provided between the cover wall 65 and the side plate 62 so as to open forward, and the electric wire group 90 and the lever 80 are disposed at positions facing the inside of the cover wall 65 of the side plate 62. A partition wall 68 that avoids interference is provided.

  The side plate 62 is provided with a groove-shaped guide receiving portion 69 that can be engaged with the guide portion 34 at a position facing the inner side of the cover wall 65 so as to extend in the front-rear direction. Since both side surfaces of the guide part 34 are in sliding contact with both side groove surfaces of the guide receiving part 69, the loose movement in the width direction of the guide part 34 is restricted, and the relative displacement of the wire cover 60 with respect to the second housing 30 is only in the front-rear direction. Is allowed.

  Further, the side plate 62 has a temporary locking receiving portion 71 locked to the locking portion 32 at the temporary locking position and a main locking receiving portion 72 locked to the locking portion 32 at the final locking position. Are arranged side by side in the front-rear direction. The temporary latch receiving portion 71 and the main latch receiving portion 72 are provided in a total of two pairs in the width direction of each side plate 62 so as to correspond to the locking portion 32. The temporary locking receiving portion 71 is configured to open in a square shape corresponding to the locking claw 33. Further, the lock receiving portion 72 extends in the front-rear direction and opens to the back plate 61, and is partitioned by an inner wall 73 extending from the back plate 62 so as to leave a square opening region. On the inner surface of the side plate 62, a thin concave portion 74 extending from the temporary latch receiving portion 71 toward the main latch receiving portion 72 is formed, and the movement of the locking claws 33 is guided by the concave portion 74. A pair of slits 76 extending in the front-rear direction are provided on both sides of the recess 74 to allow elastic deformation around the recess when the locking portion 32 passes.

Next, the effect of the connector 1 of Embodiment 1 is demonstrated.
As shown in FIGS. 1, 4, and 6, a lever 80 is interposed between the electric wire cover 60 and the second housing 30, and the support shaft 35 is fitted into the bearing hole 81, and the engagement groove 66 is inserted. The engaging pin 83 is fitted into the first. Further, as shown in FIG. 5, the electric wire cover 60 is held at the temporary locking position by fitting the locking claw 33 of the locking portion 32 into the temporary locking receiving portion 71. Then, the lever 80 is held at the initial position by the engagement between the engagement groove 66 and the engagement pin 83. At this time, the engaging pin 83 is located on the other end side in the width direction of the engaging groove 66.

  Subsequently, as shown in FIG. 2, the second housing 30 is shallowly fitted into the hood portion 12 of the first housing 10, the guide portion 34 is advanced into the receiving groove 13, and the entrance of the cam groove 82 is entered. The follower pin 14 is entered. In this state, the electric wire cover 60 is pushed forward, and the locking state between the locking portion 32 and the temporary locking receiving portion 71 is released with the pressing force. As the wire cover 60 moves, the engagement pin 83 moves in the engagement groove 66 toward one end in the width direction, and the lever 80 rotates about the support shaft 35 counterclockwise in the figure.

  In the process in which the electric wire cover 60 reaches the final locking position, the follower pin 14 moves along the groove surface of the cam groove 82 and the engagement pin 83 moves along the groove surface of the engagement groove 66. A booster mechanism that fits the housings 10 and 30 with a low operating force acts. During this time, the guide portion 34 is also fitted into the guide receiving portion 69 while being fitted in the receiving groove 13, and the fitting guidance of both the housings 10, 30 is performed via the guide portion 34.

  As shown in FIG. 3, when the wire cover 60 reaches the final locking position, the follower pin 14 reaches the back end of the cam groove 82, and the guide portion 34 reaches the back end of the guide receiving portion 69. The joining pin 83 reaches the intermediate portion in the width direction of the engaging groove 66. As a result, both the housings 10 and 30 are properly fitted, and the lever 80 reaches the completion position. Further, the locking claw 33 of the locking portion 32 is fitted into the main locking receiving portion 72, and the electric wire cover 60 is held at the main locking position. As a result, both the housings 10, 30, the electric wire cover 60, and the lever Each relative displacement of 80 is regulated. At this time, as shown in FIG. 7, the second housing 30 is deeply fitted into the hood portion 12, and the electric wire group 90 is forcibly bent and displaced toward the electric wire outlet 64 side along the inner surface of the back plate 61. Be made. At this time, the lever 80 is covered in the cover wall 65 in a concealed state except for the engaging pin 83.

  When both the housings 10 and 30 are detached, the electric wire cover 60 is moved backward to the temporary locking position side after the locking state between the locking portion 32 and the main locking receiving portion 72 is released. Then, the engaging pin 83 slides on the groove surface opposite to the above in the engaging groove 66 and the lever 80 is rotated in the returning direction, whereby the housings 10 and 30 are separated from each other.

  As described above, according to the connector 1 of the first embodiment, the engagement pin 83 presses the groove surface of the engagement groove 66 by the movement of the wire cover 60 from the temporary engagement position to the final engagement position. Since the lever 80 is displaced from the initial position to the completion position, it is possible to reduce the number of parts and prevent the cost from being increased as compared with the case where a dedicated member for displacing the lever 80 is prepared separately from the wire cover 60.

Further, since the engaging pin 83 moves in the engaging groove 66 in a direction crossing the fitting direction of the housings 10 and 30, the lever 80 is moved to the temporary locking position by moving the wire cover 60 to the completion position. It can be rotated in the return direction from the initial position.
In addition, since a boosting mechanism acts between the engaging groove 66 and the engaging pin 83, the fitting speed of the housings 10 and 30 is increased in combination with the boosting mechanism of the lever 80, and the electric wire cover 60. The moving stroke can be set small.
In addition, since the wire cover 60 moves in the same direction as the direction of insertion of the wires into the second housing 30, when the movement of the wire cover 60 is restricted, such as when there is an obstacle in the direction crossing the insertion direction of the wires, The electric wire cover 60 can be moved smoothly.

Further, since the guide portion 34 and the guide receiving portion 69 are engaged with each other, movement guidance from the temporary locking position of the electric wire cover 60 to the final locking position is performed, so that the electric wire cover 60 is smoothly moved. .
Further, since the electric wire cover 60 is provided with a covering wall 65 that covers substantially the entire lever 80 at the final locking position, the lever 80 is placed in a protected state.
Furthermore, since the electric wire cover 60 is provided with a partition wall 68 that avoids interference between the electric wire group 90 and the lever 80, the lever 80 is smoothly displaced, and interference with the lever 80 is prevented. The resulting damage to the wire group 90 is prevented.

<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) Instead of the lever, a slider that linearly displaces as the electric wire cover moves may be used as the booster member.
(2) The electric wire cover may be attached to the first housing so as to be movable between the temporary locking position and the main locking position.
(3) The engagement groove may be formed in an arc shape so that the booster mechanism does not act between the engagement groove and the engagement pin. According to this, smooth movement of the electric wire cover is realized.
(4) It is sufficient that the boosting member is displaced by pressing the engagement surface of the engagement partner with the engagement pin. The engagement partner is not limited to the engagement groove, and is simply the end of the wire cover. Part. According to this, the structure of the wire cover can be simplified.
(5) The engagement pin may be provided in the electric wire cover, and the engagement groove may be provided in the lever.

It is a front view which concerns on the connector of Embodiment 1 of this invention and shows the state before fitting both housings. It is a front view which shows the state which fitted both housings shallowly. It is a front view which shows the state which fitted both housings normally. It is AA sectional drawing of FIG. It is BB sectional drawing of FIG. It is a longitudinal cross-sectional view which shows the state before fitting both housings. It is a front view which shows the state which fitted both housings normally.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Connector 10 ... 1st housing 14 ... Follower pin 30 ... 2nd housing 31 ... Electric wire extraction surface 34 ... Guide part 60 ... Electric wire cover 65 ... Covering wall 66 ... Engagement groove (press receiving part)
69 ... Guide receiving portion 80 ... Lever (boost member)
82 ... Cam groove 83 ... Engagement pin (pressing part)

Claims (8)

The first housing, the second housing that can be fitted to the first housing, and the direction of the electric wire that is attached to the second housing and is drawn from the electric wire drawing surface by covering the electric wire drawing surface of the second housing An electric wire cover that regulates, and a booster member that is attached to either one of the two housings and that operates by displacing from the initial position to the completion position, thereby bringing the two housings into a normal fitting state; With
The electric wire cover is provided with a pressing portion, the booster member is provided with a pressing receiving portion, and the electric wire cover is movable between a temporary locking position and a main locking position with respect to the second housing. Attached,
When the wire cover moves from the temporary locking position to the final locking position, the pressing portion presses the pressing receiving portion, and the booster member is displaced to the completion position. connector. The booster member is configured by a lever that rotates from the initial position to the completion position, and that exerts a cam action by the rotation,
Either one of the pressing portion and the pressing receiving portion is made of an engaging pin, and the other is made of an engaging groove that receives the engaging pin and extends in a direction crossing the fitting direction of the two housings,
The connector according to claim 1, wherein the engagement pin moves in the engagement groove as the booster member rotates.   The connector according to claim 2, wherein a booster mechanism acts between the engagement groove and the engagement pin when the engagement pin slides on the groove surface of the engagement groove.   The connector according to claim 2, wherein a boosting mechanism does not act between the engagement groove and the engagement pin when the engagement pin slides on the groove surface of the engagement groove.   The connector according to any one of claims 1 to 4, wherein the electric wire cover moves in the same direction as the insertion direction of the electric wire into the second housing from the temporary locking position to the final locking position.   The second housing is provided with a guide portion, the electric wire cover is provided with the guide receiving portion, and the guide portion and the guide receiving portion are engaged with each other, whereby the temporary locking of the electric wire cover is performed. The connector according to claim 1, wherein movement guidance from a position to the final locking position is performed.   The connector according to claim 1, wherein the electric wire cover is provided with a covering wall that covers substantially the entire booster member at the main locking position.   The connector according to claim 1, wherein the electric wire cover is provided with a partition wall that avoids interference between the electric wire and the booster member.

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