JP5820205B2 - Terminal mounting structure - Google Patents

Terminal mounting structure Download PDF

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JP5820205B2
JP5820205B2 JP2011199010A JP2011199010A JP5820205B2 JP 5820205 B2 JP5820205 B2 JP 5820205B2 JP 2011199010 A JP2011199010 A JP 2011199010A JP 2011199010 A JP2011199010 A JP 2011199010A JP 5820205 B2 JP5820205 B2 JP 5820205B2
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terminal
connector housing
piece
wall
press
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JP2013062098A (en
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幸一 大山
幸一 大山
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Yazaki Corp
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本発明は、一対の挟持片で接続対象を挟持する端子のコネクタハウジングに対する取付構造に関する。   The present invention relates to an attachment structure for a connector housing of a terminal that holds a connection target with a pair of holding pieces.

下記の特許文献1〜3には、一対の挟持片で接続対象を挟持する端子を端子収容室に備えたコネクタが開示されている。この種のコネクタには、挟持片に形成された圧入用突起を端子収容室の内壁等に嵌合することで、端子が固定されるものがある。この端子取付構造では、圧入用突起が嵌合することで、挟持片の先端側が端子収容室の内壁に押し付けられる。   The following Patent Documents 1 to 3 disclose a connector in which a terminal accommodating chamber has terminals for holding a connection target with a pair of holding pieces. In this type of connector, there is a connector in which a terminal is fixed by fitting a press-fitting protrusion formed on a holding piece into an inner wall of a terminal accommodating chamber. In this terminal mounting structure, the front end side of the clamping piece is pressed against the inner wall of the terminal accommodating chamber by fitting the press-fitting protrusion.

特開2006−85989号公報JP 2006-85889 A 特開2001−223046号公報Japanese Patent Laid-Open No. 2001-223046 特開平11−329619号公報Japanese Patent Laid-Open No. 11-329619

コネクタでは、樹脂製のハウジングが表面実装時に高温環境下に晒される等して、端子収容室の壁部が外側に反ることがある。壁部が外側に反ると、その壁部に押し付けられた挟持片の先端側が壁部と共に移動して、端子の姿勢が変化することがあった。   In the connector, the wall of the terminal accommodating chamber may be warped outward, for example, when the resin housing is exposed to a high temperature environment during surface mounting. When the wall portion is warped outward, the tip side of the holding piece pressed against the wall portion may move together with the wall portion, and the terminal posture may change.

本発明は斯かる課題に鑑みてなされたもので、上記課題を解決できる端子取付構造を提供することを目的とする。   This invention is made | formed in view of such a subject, and it aims at providing the terminal attachment structure which can solve the said subject.

このような目的を達成するために、本発明の端子取付構造は、コネクタハウジングの内壁面に固定される固定片と、接続対象に係止される撓み係止片とを有して形成され、前記接続対象を挟持する一対の挟持片を備えた端子と、前記コネクタハウジングから前記固定片と前記撓み係止片の間に延びて、前記コネクタハウジングが備えた端子収容室の内壁とで前記固定片を挟持する挟持部と、を備え、前記固定片は、前記挟持部に嵌合する圧入用突起と、前記内壁と前記挟持部とに挟まれる位置であって前記圧入用突起よりも前記固定片の先端側の位置で前記内壁と嵌合する位置制御用突起と、を備える
In order to achieve such an object, the terminal mounting structure of the present invention is formed to include a fixed piece fixed to the inner wall surface of the connector housing and a flexible locking piece locked to a connection target, the fixed and the terminal having a pair of holding pieces for clamping said connection object, extends between the resilient locking piece and the fixing piece from the connector housing, and the inner wall of the terminal accommodating chamber in which the connector housing is provided A clamping part that clamps a piece , and the fixing piece is positioned between the press-fitting projection that fits into the clamping part, the inner wall and the clamping part, and is more fixed than the press-fitting projection. A position control protrusion that fits with the inner wall at a position on the tip side of the piece .

本発明によれば、端子収容室の内壁と挟持部とで挟持される挟持片の先端側が内壁と反対側を向くような力が端子に働くことで、反りが生じた端子収容室の内壁と共に挟持片の先端側が移動して、端子の姿勢が変化するのを防止できる。   According to the present invention, a force is applied to the terminal so that the front end side of the holding piece held between the inner wall and the holding portion of the terminal accommodating chamber faces the opposite side of the inner wall, so that the warpage occurs along with the inner wall of the terminal accommodating chamber. It is possible to prevent the terminal posture from moving due to the leading end side of the sandwiching piece.

本発明の一実施形態のコネクタが備えたコネクタハウジングの断面図である。It is sectional drawing of the connector housing with which the connector of one Embodiment of this invention was provided. 本発明の一実施形態のコネクタが備えた端子の側面図である。It is a side view of the terminal with which the connector of one embodiment of the present invention was provided. コネクタハウジングに端子が取り付けられた状態を示す断面図である。It is sectional drawing which shows the state in which the terminal was attached to the connector housing. コネクタハウジングの天壁に反りが生じた状態を示す断面図である。It is sectional drawing which shows the state which the curvature produced in the top wall of the connector housing.

以下、図面を参照して、本発明の一実施形態を説明する。   Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

本実施形態のコネクタは、基板上に実装されて用いられるLCP(liquid crystal polymer)製のコネクタであり、図1に示すコネクタハウジング1と、図2に示す端子2とを備えている。コネクタは、上記特許文献1〜3に記載のコネクタと同様に、FFC(Flexible Flat Cable),FPC(Flexible Printed Cable)等のフラット配線材を保持したスライダがコネクタハウジング1の端子収容室11内に装着されて、フラット配線材と基板3上の回路とを電気的に接続する。   The connector of this embodiment is a connector made of LCP (liquid crystal polymer) used by being mounted on a substrate, and includes a connector housing 1 shown in FIG. 1 and terminals 2 shown in FIG. Similar to the connectors described in Patent Documents 1 to 3, the connector has a slider holding a flat wiring material such as FFC (Flexible Flat Cable) or FPC (Flexible Printed Cable) in the terminal accommodating chamber 11 of the connector housing 1. The flat wiring member and the circuit on the substrate 3 are electrically connected by being mounted.

コネクタハウジング1は、図1に示すように、端子収容室11の間口側開口部がフラット配線材の挿入口、テール側開口部が端子2の装着口となっており、底壁11bが基板3に固定される。コネクタハウジング1には、端子収容室11内に配置された挟持部12が設けられている。挟持部12は、コネクタハウジング1の天壁11aとの間に間隙を設けて配置されており、コネクタハウジング1のテール側に位置している。また、コネクタハウジング1の左右の両側壁の内面には、スライダの案内溝11cが設けられている。   In the connector housing 1, as shown in FIG. 1, the opening on the front side of the terminal accommodating chamber 11 is an insertion port for the flat wiring material, the opening on the tail side is the mounting port for the terminal 2, and the bottom wall 11 b is the substrate 3. Fixed to. The connector housing 1 is provided with a clamping part 12 disposed in the terminal accommodating chamber 11. The sandwiching portion 12 is disposed with a gap between it and the top wall 11 a of the connector housing 1, and is located on the tail side of the connector housing 1. Also, slider guide grooves 11 c are provided on the inner surfaces of the left and right side walls of the connector housing 1.

端子2は、図2に示すように、コネクタハウジング1の天壁11aに固定される固定片21と、フラット配線材又はスライダに係止される撓み係止片22と、基板3に接続される脚部23とを備えている。固定片21は、圧入用突起24及び位置制御用突起25をテール側に備えている。撓み係止片22は、フラット配線材に係止する突起を間口側の端部に備えている。   As shown in FIG. 2, the terminal 2 is connected to a fixed piece 21 fixed to the top wall 11 a of the connector housing 1, a bending locking piece 22 locked to a flat wiring material or a slider, and the substrate 3. Legs 23 are provided. The fixed piece 21 includes a press-fitting protrusion 24 and a position control protrusion 25 on the tail side. The bending locking piece 22 is provided with a protrusion for locking to the flat wiring material at the end on the frontage side.

圧入用突起24は、固定片21の撓み係止片22と対向する面に設けられている。位置制御用突起25は、固定片21の撓み係止片22と反対側を向いた面に設けられており、圧入用突起24よりも間口側に位置している。   The press-fitting protrusion 24 is provided on a surface of the fixed piece 21 that faces the bending locking piece 22. The position control protrusion 25 is provided on the surface of the fixed piece 21 facing the side opposite to the bending locking piece 22, and is located on the front side of the press-fitting protrusion 24.

端子2は、図3に示すように、端子収容室11内にテール側開口部から挿入され、コネクタハウジング1の天壁11aと挟持部12との間に固定片21が配置され、コネクタハウジング1の底壁11b側に撓み係止片22が配置される。撓み係止片22は、天壁11aと底壁11bとの間に案内溝11cに沿って延びたスライダの進入路に間口側端部の突起の先端の案内面(傾斜面)を進入させ、コネクタハウジング1の底壁11bとの間に撓み代となる間隙を形成している。   As shown in FIG. 3, the terminal 2 is inserted into the terminal accommodating chamber 11 from the tail side opening, and a fixing piece 21 is disposed between the top wall 11 a of the connector housing 1 and the sandwiching portion 12. The bending locking piece 22 is arranged on the bottom wall 11b side of the. The bending locking piece 22 allows the guide surface (inclined surface) at the tip of the projection on the front end side to enter the slider entry path extending along the guide groove 11c between the top wall 11a and the bottom wall 11b. A gap serving as a bending allowance is formed between the bottom wall 11 b of the connector housing 1.

端子2は、圧入用突起24が挟持部12に嵌合し、位置制御用突起25がコネクタハウジング1の天壁11aに嵌合することで、端子収容室11内に固定されている。このため、端子2には、図3に太矢印で示すように、圧入用突起24を中心に間口側の端部がコネクタハウジング1の天壁11aと反対側を向くような力が働いている。   The terminal 2 is fixed in the terminal accommodating chamber 11 by fitting the press-fitting projection 24 into the clamping portion 12 and fitting the position control projection 25 into the top wall 11 a of the connector housing 1. For this reason, as shown by a thick arrow in FIG. 3, a force is exerted on the terminal 2 so that the end portion on the front end side faces the opposite side of the top wall 11 a of the connector housing 1 with the press-fitting protrusion 24 as the center. .

コネクタハウジング1の天壁11aは、図4に示す太斜線でハッチングされた矩形体のように、表面実装時に高温環境下に晒される等して外側に反りが生じると、間口側の反り量がテール側の反り量に比べて大きくなる。このため、コネクタハウジング1の挟持部12のみに圧入用突起24を嵌合させたり、コネクタハウジング1の天壁11aのみに圧入用突起24を嵌合させる従来の構成では、圧入用突起24を中心に端子2の間口側の端部が天壁11aが反った方向に移動し、端子2の姿勢が上向きに傾き易い。この結果、撓み係止片22の間口側端部がスライダの進入路内に突出して端子収容室11内に挿入されたフラット配線材やスライダと衝突する等し、部品の変形や破損が生じる虞がある。また、端子2の脚部23がコネクタハウジング1に対して傾き、脚部23に半田付け不良が生じる虞もある。   If the top wall 11a of the connector housing 1 is warped outside due to being exposed to a high temperature environment during surface mounting, such as a rectangular body hatched with thick diagonal lines shown in FIG. It becomes larger than the amount of warp on the tail side. Therefore, in the conventional configuration in which the press-fitting protrusion 24 is fitted only to the clamping portion 12 of the connector housing 1 or the press-fitting protrusion 24 is fitted only to the top wall 11a of the connector housing 1, the press-fitting protrusion 24 is the center. The end of the front end of the terminal 2 moves in a direction in which the top wall 11a is warped, and the attitude of the terminal 2 tends to tilt upward. As a result, the end portion on the front end side of the flexure locking piece 22 protrudes into the entry path of the slider and collides with the flat wiring member or the slider inserted into the terminal accommodating chamber 11, and the parts may be deformed or damaged. There is. Further, the leg portion 23 of the terminal 2 may be inclined with respect to the connector housing 1, and the leg portion 23 may be poorly soldered.

これに対し、本実施形態では、図4の枠A内に示すように、圧入用突起24より間口側でコネクタハウジング1の天壁11aに位置制御用突起25が嵌合することで、端子2には圧入用突起24を中心に間口側の端部が天壁11aと反対側を向くような力が働いている。このため、コネクタハウジング1の天壁11aに反りが生じても、端子2の間口側の端部が天壁11aが反った方向に移動するのが防止され、コネクタハウジング1に対して端子2が一定の姿勢を保つ。   On the other hand, in the present embodiment, as shown in the frame A of FIG. 4, the position control protrusion 25 is fitted to the top wall 11a of the connector housing 1 on the front side of the press-fitting protrusion 24, whereby the terminal 2 A force is exerted so that the end portion on the front side faces the opposite side of the top wall 11a with the press-fitting projection 24 as the center. For this reason, even if the top wall 11a of the connector housing 1 is warped, the end of the front end of the terminal 2 is prevented from moving in the direction in which the top wall 11a is warped. Keep a certain posture.

本実施形態によれば、圧入用突起24よりも間口側に位置した圧入用突起24が、コネクタハウジング1の天壁11aと固定片21との間に配置されることで、端子2には固定片21の間口側の端部が天壁11aと反対側を向くような力が働く。このため、天壁11aに反りが生じたときに固定片21の先端側が内壁と共に移動して、端子2の姿勢が変化するのを防止できる。   According to the present embodiment, the press-fitting protrusion 24 positioned on the front side of the press-fitting protrusion 24 is disposed between the top wall 11 a of the connector housing 1 and the fixing piece 21, so that the terminal 2 is fixed. A force is exerted so that the end portion on the front side of the piece 21 faces the side opposite to the top wall 11a. For this reason, it can prevent that the front end side of the fixed piece 21 moves with an inner wall when the top wall 11a warps, and the attitude | position of the terminal 2 changes.

なお、上記実施形態では、フラット配線材を端子2の接続対象とする場合について説明したが、固定片21及び撓み係止片22で挟持されて端子2に電気的に接続されるのであれば、接続対象は任意である。   In addition, in the said embodiment, although the case where the flat wiring material was made into the connection object of the terminal 2 was demonstrated, if it is clamped by the fixed piece 21 and the bending locking piece 22, and is electrically connected to the terminal 2, The connection target is arbitrary.

また、固定片21は、圧入用突起24及び位置制御用突起25を備えていれば上記実施形態での形状には限定されず、例えば、固定片21の先端にも突起が設けられている構成としてもよい。   The fixing piece 21 is not limited to the shape in the above-described embodiment as long as the fixing piece 21 includes the press-fitting protrusion 24 and the position control protrusion 25. For example, the fixing piece 21 has a protrusion provided at the tip of the fixing piece 21. It is good.

また、上記実施形態では、コネクタハウジング1の天壁11aと挟持部12との間に固定片21が配置される場合について説明したが、端子2の固定片21と撓み係止片22とが上下逆に形成されている場合には、コネクタハウジング1の底壁11bと挟持部12との間に固定片21が挟持されて、コネクタハウジング1の底壁11bの反りにより端子2の姿勢が変化するのを防止する構成としてもよい。   Moreover, although the said embodiment demonstrated the case where the fixed piece 21 was arrange | positioned between the top wall 11a of the connector housing 1, and the clamping part 12, the fixed piece 21 and the bending locking piece 22 of the terminal 2 are up-and-down. In the reverse case, the fixed piece 21 is sandwiched between the bottom wall 11b of the connector housing 1 and the sandwiching portion 12, and the attitude of the terminal 2 changes due to the warp of the bottom wall 11b of the connector housing 1. It is good also as a structure which prevents this.

1 コネクタハウジング
11 端子収容室
11a 天壁
11b 底壁
11c 案内溝
12 挟持部
2 端子
21 固定片
22 撓み係止片
23 脚部
24 圧入用突起
25 位置制御用突起
3 基板
DESCRIPTION OF SYMBOLS 1 Connector housing 11 Terminal accommodating chamber 11a Top wall 11b Bottom wall 11c Guide groove 12 Clamping part 2 Terminal 21 Fixing piece 22 Bending locking piece 23 Leg part 24 Press-fit protrusion 25 Position control protrusion 3 Board | substrate

Claims (1)

コネクタハウジングの内壁面に固定される固定片と、接続対象に係止される撓み係止片とを有して形成され、前記接続対象を挟持する一対の挟持片を備えた端子と、
前記コネクタハウジングから前記固定片と前記撓み係止片の間に延びて、前記コネクタハウジングが備えた端子収容室の内壁とで前記固定片を挟持する挟持部と、を備え、
前記固定片は、
前記挟持部に嵌合する圧入用突起と、
前記内壁と前記挟持部とに挟まれる位置であって前記圧入用突起よりも前記固定片の先端側の位置で前記内壁と嵌合する位置制御用突起と、を備える
ことを特徴とする端子取付構造。
A fixed piece fixed to the inner wall surface of the connector housing and a flexure locking piece locked to the connection target, and a terminal including a pair of clamping pieces for clamping the connection target;
Extends between the resilient locking piece and the fixing piece from the connector housing, and a clamping portion for clamping said fixing piece and the inner wall of the terminal accommodating chamber in which the connector housing is provided,
The fixed piece is
A press-fitting protrusion that fits into the clamping part;
A position control protrusion that is fitted between the inner wall and the holding portion at a position closer to the distal end side of the fixing piece than the press-fitting protrusion. Terminal mounting structure.
JP2011199010A 2011-09-13 2011-09-13 Terminal mounting structure Active JP5820205B2 (en)

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