JP5655729B2 - Bolted connector - Google Patents

Bolted connector Download PDF

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JP5655729B2
JP5655729B2 JP2011155485A JP2011155485A JP5655729B2 JP 5655729 B2 JP5655729 B2 JP 5655729B2 JP 2011155485 A JP2011155485 A JP 2011155485A JP 2011155485 A JP2011155485 A JP 2011155485A JP 5655729 B2 JP5655729 B2 JP 5655729B2
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housing
female
bolt
electric wire
male
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JP2013020905A (en
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康平 ▲高▼木
康平 ▲高▼木
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Sumitomo Wiring Systems Ltd
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Description

本発明は、ハウジング同士の嵌合力を助勢することにボルトを用いたボルト締めコネクタに関する。   The present invention relates to a bolted connector that uses bolts to assist the fitting force between housings.

この種のボルト締めコネクタの一例として、下記特許文献１に記載されたものが知られている。このものは、ハイブリッド形式の多極コネクタであって、電線径が異なりそれに伴い大きさが異なる複数種の端子金具をそれぞれに収容した雌雄一対のハウジングを備え、雌ハウジングに回転自由に設けたボルトを、相手の雄ハウジングに設けたナット（ねじ孔）に螺合して工具で締め付けることにより、両ハウジングを互いに引き寄せて嵌合し、対応する雌端子と雄端子同士を嵌合接続するようになっている。   As an example of this type of bolted connector, one described in Patent Document 1 below is known. This is a multi-pole connector of a hybrid type, comprising a pair of male and female housings each housing a plurality of types of terminal fittings having different wire diameters and different sizes, and a bolt provided rotatably on the female housing Are screwed into a nut (screw hole) provided in the mating male housing and tightened with a tool so that the two housings are pulled together and fitted, and the corresponding female terminal and male terminal are fitted and connected. It has become.

特開平１１−５４２０３号公報JP-A-11-54203

上記のようなボルト締めコネクタにおいて、例えば雌ハウジングから後方に引き出された電線はまとめられてハーネス化されるが、同ハーネスに振動が加わると、特に太い電線ほど慣性力の作用によりその振動が伝わりやすく、同電線の端末に接続された雌端子とこれと嵌合接続された相手の雄端子との間に微摺動摩耗が生じ、めっきが剥がれる等で接触抵抗が増大するという問題がある。
なお、雄側のコネクタが例えば機器側コネクタであって、雄ハウジングが機器の側壁から一体に形成され、同雄ハウジングに対してタブ状の雄端子が一体的に装着された形式のものにあっても、上記のような微摺動摩耗についての不具合は同様に生ずるところである。
本発明は上記のような事情に基づいて完成されたものであって、特に雄ハウジングが雄端子を一体的に装着した形式のボルト締めコネクタにおいて、雌雄の端子金具間の微摺動摩耗を防止するところにある。 In the bolt tightening connector as described above, for example, the wires drawn backward from the female housing are gathered into a harness. There is a problem that the sliding resistance is easily increased between the female terminal connected to the end of the electric wire and the mating male terminal mated and connected, and the plating resistance is increased.
The male connector is, for example, a device-side connector, in which the male housing is integrally formed from the side wall of the device, and a tab-shaped male terminal is integrally attached to the male housing. However, the above-described problems with the fine sliding wear are also caused.
The present invention has been completed based on the above-mentioned circumstances, and in particular, in a bolt tightening connector in which a male housing is integrally mounted with male terminals, it prevents fine sliding wear between male and female terminal fittings. There is a place to do.

本発明は、電線の端末に接続された雌端子をキャビティ内に収容した雌ハウジングと、雄端子を一体的に装着した雄ハウジングとを備え、前記雌ハウジングに回転可能に設けたボルトを前記雄ハウジングに設けたねじ孔に螺合して締め付けることにより、両ハウジングを互いに引き寄せて嵌合し、対応する雌端子と雄端子同士を接続するようにしたボルト締めコネクタにおいて、前記雌ハウジングにおける前記ボルトの頭部の締結箇所の周りには、当該ボルトの締め付け操作を行う工具に電線が干渉することから保護する保護壁が設けられ、この保護壁に、前記電線を固定する固定部を備えた振動伝達部が一体的に形成されている構成としたところに特徴を有する。   The present invention includes a female housing in which a female terminal connected to an end of an electric wire is accommodated in a cavity, and a male housing in which a male terminal is integrally attached, and a bolt provided rotatably on the female housing is provided in the male housing. In the bolted connector in which both housings are pulled and fitted together by screwing and tightening into screw holes provided in the housing, and the corresponding female terminals and male terminals are connected to each other, the bolt in the female housing A protective wall that protects the wire from interfering with a tool that performs the tightening operation of the bolt is provided around the fastening portion of the head of the head, and the protective wall is provided with a fixing portion that fixes the electric wire. It is characterized in that the transmission portion is integrally formed.

両ハウジングを嵌合するに当たって、雌ハウジングから引き出された電線が、ボルトの頭部の締結箇所の周りに設けられた保護壁と一体形成された振動伝達部の固定部に固定される。ボルトを締結すると、ボルトの頭部が雌ハウジングに押し付けられつつ同ボルトの軸部が雄ハウジングのねじ孔にねじ込まれることで両ハウジングが嵌合される。
この状態において、雌ハウジングから引き出された電線が振動を受けた場合、同電線の端末に接続されて雌ハウジングに収容された雌端子が振動する一方、電線の振動が、保護壁の内側で雌ハウジングに押し付けられたボルトを介して、同ボルトが固定された相手の雄ハウジングに伝達され、ひいては雄ハウジングに一体的に装着された雄端子が、雌端子と同じような形態で同期して振動する。そのため、雌雄の端子金具間で微摺動摩耗が生じることが防止される。 In fitting both housings, the electric wire drawn out from the female housing is fixed to a fixed portion of a vibration transmitting portion integrally formed with a protective wall provided around the fastening portion of the bolt head. When the bolts are fastened, the heads of the bolts are pressed against the female housing, and the shafts of the bolts are screwed into the screw holes of the male housing, thereby fitting the two housings.
In this state, when the electric wire drawn out from the female housing receives vibration, the female terminal connected to the end of the electric wire and accommodated in the female housing vibrates, while the electric wire vibrates in the female wall inside the protective wall. Via the bolt pressed against the housing, the bolt is transmitted to the mating male housing to which it is fixed. As a result, the male terminal integrally attached to the male housing vibrates synchronously in the same form as the female terminal. To do. Therefore, it is possible to prevent fine sliding wear between the male and female terminal fittings.

また、以下のような構成としてもよい。
（１）前記保護壁は、前記ボルトの頭部の座面を設けた形状をなして前記雌ハウジングとは別体に形成されており、前記雌ハウジングに設けられた被取付部に対してロック機構を介して装着されている。
保護壁が別体であることにより、電線の振動が雌ハウジングに伝わることが抑制され、その分ボルトを介して雄ハウジングにより伝わるようになり、雌雄の端子金具がさらに同期して振動しやすくなる。 The following configuration may also be used.
(1) The protective wall has a shape in which a seat surface of a head portion of the bolt is provided, and is formed separately from the female housing, and locks against a mounted portion provided in the female housing. It is mounted via a mechanism.
Since the protective wall is a separate body, it is possible to suppress the vibration of the electric wire from being transmitted to the female housing, and to be transmitted by the male housing through the bolt, and the male and female terminal fittings are more likely to vibrate in synchronization. .

（２）前記保護壁に形成された前記振動伝達部の前記固定部が、前記雌ハウジングから引き出された前記電線のうち前記保護壁の前記座面に近い位置を固定可能とされている。
電線のうち保護壁の座面から遠い位置が振動伝達部の固定部で固定されている場合と比較すると、電線の振動を受けて保護壁が回動し難く、結果ボルトの緩みが防止される。 (2) The fixing portion of the vibration transmitting portion formed on the protective wall can fix a position close to the seating surface of the protective wall among the electric wires drawn out from the female housing.
Compared to the case where the position of the electric wire far from the seating surface of the protective wall is fixed by the fixed part of the vibration transmission part, the protective wall is difficult to rotate due to the vibration of the electric wire, and the bolt is prevented from loosening as a result. .

（３）前記振動伝達部の前記固定部は、略半円筒形をなして前記電線を径方向に嵌合することにより弾性的に挟持する弾性挟持部により構成されている。
電線は弾性挟持部に向けて径方向に押し込むだけでよいから、電線の振動伝達部に対する固定作業がしやすい。 (3) The fixed portion of the vibration transmitting portion is formed of an elastic pinching portion that has a substantially semi-cylindrical shape and elastically holds the electric wire by fitting in the radial direction.
Since the electric wire only needs to be pushed in the radial direction toward the elastic clamping portion, the electric wire can be easily fixed to the vibration transmission portion.

（４）前記弾性挟持部は、前記電線の長さ方向に離間した位置に２個、それぞれの開口側を互いに向き合わせた姿勢で配されている。
電線は、一対の弾性挟持部により径方向の両側から閉じるように挟まれ、電線の外れ防止がより確実になされる。 (4) Two said elastic clamping parts are distribute | arranged with the attitude | position which mutually faced each opening side in the position spaced apart in the length direction of the said electric wire.
An electric wire is pinched so that it may close from both sides of a diameter direction by a pair of elastic clamping parts, and prevention of detachment of an electric wire is made more certainly.

本発明によれば、雌雄の端子金具間の微摺動摩耗を有効に抑制することができる。   According to the present invention, fine sliding wear between male and female terminal fittings can be effectively suppressed.

本発明の実施形態１に係る雌ハウジングに保護壁を組み付ける前の状態を示す平面図The top view which shows the state before attaching a protective wall to the female housing which concerns on Embodiment 1 of this invention. その側面図Its side view 保護壁の背面図Protective wall rear view 雌ハウジングに保護壁が組み付けられた状態の側面図Side view of the female housing with the protective wall assembled その平面図The plan view 図５のＡ−Ａ線で切断した雌雄のハウジングの嵌合前の断面図Sectional drawing before the fitting of the male and female housing cut | disconnected by the AA line of FIG. 図５のＢ−Ｂ線で切断した雌雄のハウジングの嵌合前の断面図Sectional drawing before the fitting of the male and female housing cut | disconnected by the BB line of FIG. 図５のＡ−Ａ線で切断した雌雄のハウジングの嵌合後の断面図Sectional drawing after the fitting of the male and female housing cut | disconnected by the AA line of FIG. 図５のＢ−Ｂ線で切断した雌雄のハウジングの嵌合後の断面図Sectional drawing after the fitting of the male and female housing cut | disconnected by the BB line of FIG. 雌雄のハウジングの嵌合後の斜視図Perspective view after mating of male and female housings その側面図Its side view その背面図Back view 実施形態２に係る雌雄のハウジングの嵌合状態の斜視図The perspective view of the fitting state of the male and female housing which concerns on Embodiment 2. FIG.

＜実施形態１＞
本発明の実施形態１を図１ないし図１２によって説明する。
この実施形態では、ワイヤハーネスの端末に設けられたハーネス側コネクタＣ１を、電子機器ユニット（ＥＣＵ）等の機器に一体的に設けられた機器側コネクタＣ２に対してボルト３５の締め付けを介して嵌合するボルト締めコネクタを例示する。本コネクタはまた、大きさを異にする複数種の端子金具を収容したハイブリッド式のコネクタである。 <Embodiment 1>
A first embodiment of the present invention will be described with reference to FIGS.
In this embodiment, the harness-side connector C1 provided at the end of the wire harness is fitted to the device-side connector C2 provided integrally with a device such as an electronic device unit (ECU) by tightening the bolt 35. The bolting connector to match is illustrated. This connector is also a hybrid connector that accommodates multiple types of terminal fittings of different sizes.

ハーネス側コネクタＣ１は雌側のブロックコネクタであって、図１及び図２に示すように、全体として平面長方形のブロック状をなす合成樹脂製の雌ハウジング１０を備えており、大きさが異なる４種類の雌端子が収容されるようになっている。
雌ハウジング１０は詳細には、メインハウジング１１の３側面にサブハウジング１２，１３が組み付けられて構成されている。 The harness-side connector C1 is a female-side block connector, and as shown in FIGS. 1 and 2, the harness-side connector C1 includes a synthetic resin female housing 10 having a flat rectangular block shape as a whole. Various types of female terminals are accommodated.
Specifically, the female housing 10 is configured by assembling sub-housings 12 and 13 on three side surfaces of the main housing 11.

メインハウジング１１の前側（図１の左側）の領域には、正方形の角筒状をなす取付筒部１５が、上下両面を貫通しかつ上下に所定寸法突出した形態で形成されているとともに、後側の領域には、２番目に大きい雌端子を収容する第２キャビティ２２が形成されている。メインハウジング１１の左右の各面に組み付けられたサブハウジング１２には、４番目に大きい（一番小さい）雌端子を収容する第４キャビティ２４と、その両側に３番目に大きい雌端子を収容する第３キャビティ２３が形成されている。   In the front region (left side in FIG. 1) of the main housing 11, a mounting tube portion 15 having a square rectangular tube shape is formed in a form penetrating both upper and lower surfaces and projecting a predetermined dimension vertically, A second cavity 22 for accommodating the second largest female terminal is formed in the side region. The sub-housing 12 assembled on the left and right surfaces of the main housing 11 accommodates a fourth cavity 24 for accommodating the fourth largest (smallest) female terminal, and the third largest female terminal on both sides thereof. A third cavity 23 is formed.

メインハウジング１１の前面に組み付けられたサブハウジング１３には、最も径の大きい電線３０の端末に接続された一番大きい雌端子３２（図７参照）が挿入される第１キャビティ２１が２個並んで形成され、その両側に、２番目に大きい雌端子を収容する第２キャビティ２２が形成されている（図１参照）。第１キャビティ２１は、上記のように一番大きい雌端子３２を収容するべく全高を大きくする関係上、同第１キャビティ２１を内部に構成したタワー部２５がサブハウジング１３の上面から所定寸法上方に突出して形成されている。   In the sub-housing 13 assembled on the front surface of the main housing 11, two first cavities 21 into which the largest female terminals 32 (see FIG. 7) connected to the ends of the electric wires 30 having the largest diameter are inserted are arranged. The second cavity 22 is formed on both sides to accommodate the second largest female terminal (see FIG. 1). As described above, the first cavity 21 is increased in height so that the largest female terminal 32 can be accommodated as described above, so that the tower portion 25 having the first cavity 21 formed therein is a predetermined dimension above the upper surface of the sub-housing 13. Is formed to protrude.

メインハウジング１１に形成された取付筒部１５における上方突出部１６Ｕには、ボルト３５をねじ込み操作する工具が雌ハウジング１０の上面から引き出された電線と干渉することから保護するための保護壁４０が取り付けられるようになっている。
この保護壁４０は合成樹脂製であって、ボルト３５の頭部３６が当てられる座面４１の全周に、周壁４２を立ち上がり形成した構造である。この保護壁４０の座面４１の下面には、外形正方形をなす脚体４３が垂設され、座面４１の中心から同脚体４３の中心を貫通して、ボルト３５の軸部３７が挿通される挿通孔４４が形成されている（図６参照）。 A protective wall 40 is provided at the upper projecting portion 16U of the mounting cylinder portion 15 formed on the main housing 11 to protect the tool for screwing the bolt 35 from interference with the electric wire drawn from the upper surface of the female housing 10. It can be attached.
This protective wall 40 is made of synthetic resin, and has a structure in which a peripheral wall 42 is formed upright on the entire circumference of the seat surface 41 to which the head portion 36 of the bolt 35 is applied. A leg 43 having an outer shape square is suspended from the lower surface of the seat surface 41 of the protective wall 40, and the shaft portion 37 of the bolt 35 is inserted from the center of the seat surface 41 through the center of the leg 43. An insertion hole 44 is formed (see FIG. 6).

脚体４３の上端側のほぼ全高の領域に亘り、角筒状をなす外筒４５が、上記した雌ハウジング１０（メインハウジング１１）の取付筒部１５の上方突出部１６Ｕが嵌合可能なクリアランスを開けて形成されている。外筒４５における正面（図２の左側）から視た左右の側面板がそれぞれ取付板４６となっていて、各取付板４６には、幅方向の中央部において、縦長のロック孔４７が形成されている。両取付板４６は、その下縁におけるロック孔４７を挟んだ両側の位置でスリット４８が切り込み形成されることで、弾性撓みしやすくされている。
一方、雌ハウジング１０の取付筒部１５の上方突出部１６Ｕにおける左右の側面には、上記した外筒４５の取付板４６のロック孔４７にそれぞれ嵌合可能なロック突部１７が形成されている。 A clearance that allows the outer cylinder 45 in the shape of a square tube to fit over the region of the upper end side of the leg body 43 so that the upper protruding portion 16U of the mounting cylinder portion 15 of the female housing 10 (main housing 11) can be fitted. It is formed by opening. The left and right side plates as viewed from the front (the left side in FIG. 2) of the outer cylinder 45 are mounting plates 46, and each mounting plate 46 is formed with a vertically long lock hole 47 at the center in the width direction. ing. Both the mounting plates 46 are easily bent elastically by forming slits 48 at the positions on both sides of the lower edge with the lock hole 47 interposed therebetween.
On the other hand, on the left and right side surfaces of the upward projecting portion 16U of the mounting cylinder portion 15 of the female housing 10, lock projections 17 that can be respectively fitted in the lock holes 47 of the mounting plate 46 of the outer cylinder 45 are formed. .

保護壁４０は、脚体４３が取付筒部１５の上方突出部１６Ｕ内に嵌合され、外筒４５のうち取付板４６を弾性撓みさせつつ押し込まれ、図８に示すように、上方突出部１６Ｕの上端が座面４１の外底面に当たったところで押し込みが停止され、併せて両取付板４６が復元変位しつつそれぞれのロック孔４７に対応するロック突部１７が嵌り、ロック孔４７の下縁に係止することで、保護壁４０が抜け止めされて取り付けられるようになっている。そのとき、保護壁４０の周壁４２の上縁は、図４に示すように、雌ハウジング１０（サブハウジング１３）の上面に立設されたタワー部２５の上端より少し上方に位置している。   The protective wall 40 has a leg 43 fitted into the upward projecting portion 16U of the mounting cylinder portion 15 and is pushed in while elastically deflecting the mounting plate 46 of the outer cylinder 45. As shown in FIG. When the upper end of 16 U hits the outer bottom surface of the seat surface 41, the pushing is stopped, and the lock projections 17 corresponding to the respective lock holes 47 are fitted while the both mounting plates 46 are restored and displaced. By locking to the edge, the protective wall 40 is prevented from coming off and attached. At that time, as shown in FIG. 4, the upper edge of the peripheral wall 42 of the protective wall 40 is positioned slightly above the upper end of the tower portion 25 erected on the upper surface of the female housing 10 (sub-housing 13).

さて、上記した保護壁４０の周壁４２の上縁のうち正面から視て手前側の位置、言い換えるとタワー部２５と対向する側の位置に、タワー部２５の幅の約８割程度の幅寸法を持った振動伝達壁５０が、立ち上がり形成されている。振動伝達壁５０は、上記したタワー部２５における雌ハウジング１０の上面に突出した寸法よりも小さい高さ寸法を持った比較的背の低い形状に形成されている。
この振動伝達壁５０の上端部には、半円よりも若干大きい円弧形の筒状をなす弾性挟持部５２が、ほぼ背中合わせの姿勢を取って一体形成されている。この弾性挟持部５２には、一番大きい雌端子３２を接続した最も太い電線３０が、径方向から無理嵌め可能となっている。両弾性挟持部５２の振動伝達部５０側の間の位置には、詰め部５３が形成されて補強されている（図５参照）。 Now, in the upper edge of the peripheral wall 42 of the protective wall 40 described above, the width of about 80% of the width of the tower 25 at the position on the near side when viewed from the front, in other words, the position facing the tower 25 is shown. A vibration transmission wall 50 having a height is formed to rise. The vibration transmission wall 50 is formed in a relatively short shape having a height dimension smaller than the dimension protruding from the upper surface of the female housing 10 in the tower portion 25 described above.
At the upper end of the vibration transmission wall 50, an elastic pinching portion 52 having an arcuate cylindrical shape slightly larger than a semicircle is integrally formed in a substantially back-to-back posture. In this elastic clamping part 52, the thickest electric wire 30 to which the largest female terminal 32 is connected can be forcibly fitted from the radial direction. A stuffing portion 53 is formed and reinforced at a position between the elastic transmission portions 52 on the vibration transmitting portion 50 side (see FIG. 5).

なお、保護壁４０の周壁４２の上縁のうち正面から視た奥側の位置と、左右両側の位置には、雌ハウジング１０の上面から引き出された電線を嵌めてまとめることに使用する収容壁５５が形成されている。   In addition, the accommodation wall used for fitting together the electric wire pulled out from the upper surface of the female housing 10 in the position of the back side seen from the front among the upper edges of the surrounding wall 42 of the protective wall 40, and the position of both right and left sides. 55 is formed.

一方の機器側コネクタＣ２は、機器のケースの上面から一体的に形成された合成樹脂製の雄ハウジング６０を備えている。雄ハウジング６０は、図６及び図７に示すように、上記した雌ハウジング１０が緊密に嵌合可能な上面開口の角形のフード状に形成されている。
雄ハウジング６０の底壁６１は、上げ底状に形成されており、この底壁６１の上面における雌ハウジング１０側の取付筒部１５と対向する位置には、同取付筒部１５内に緊密に嵌合する角柱部６２が立設されている。この角柱部６２の中心には、保護壁４０の脚体４３に形成された挿通孔４４と同心位置において、ボルト３５の軸部３７に形成された雄ねじが螺合されるねじ孔６３が形成されている。なお、ねじ孔６３を形成することに代えて、ナットを埋設してもよい。
雄ハウジング６０の底壁６１における角柱部６２の周りには、雌ハウジング１０における取付筒部１５の下方突出部１６Ｄが挿入されるガイド溝６５が形成されている。 One device-side connector C2 includes a male housing 60 made of synthetic resin that is integrally formed from the upper surface of the device case. As shown in FIGS. 6 and 7, the male housing 60 is formed in a square hood shape having an upper surface opening to which the above-described female housing 10 can be closely fitted.
The bottom wall 61 of the male housing 60 is formed in a raised bottom shape, and is tightly fitted in the mounting cylinder 15 at a position facing the mounting cylinder 15 on the female housing 10 side on the upper surface of the bottom wall 61. A mating prism 62 is erected. A screw hole 63 is formed at the center of the prism 62 so that a male screw formed in the shaft portion 37 of the bolt 35 is screwed at a position concentric with the insertion hole 44 formed in the leg 43 of the protective wall 40. ing. Instead of forming the screw hole 63, a nut may be embedded.
Around the prism portion 62 in the bottom wall 61 of the male housing 60, a guide groove 65 into which the downward projecting portion 16D of the mounting cylinder portion 15 in the female housing 10 is inserted is formed.

雄ハウジング６０の底壁６１からは、雌ハウジング１０に配された各キャビティ２１〜２４と対応する位置ごとに、大きさを異にする４種類の雄端子が突出して装着されている。各雄端子は、雄ハウジング６０の底壁６１に対して圧入もしくはインサート成形されることにより一体的に装着されており、雌ハウジング１０に装着された一番大きい雌端子３２と嵌合接続される一番大きい雄端子６７のみが図示されている。   From the bottom wall 61 of the male housing 60, four types of male terminals of different sizes protrude and are mounted at positions corresponding to the cavities 21 to 24 arranged in the female housing 10. Each male terminal is integrally attached to the bottom wall 61 of the male housing 60 by press-fitting or insert molding, and is fitted and connected to the largest female terminal 32 attached to the female housing 10. Only the largest male terminal 67 is shown.

続いて、本実施形態の作用を説明する。
ハーネス側コネクタＣ１を組み付けるに当たっては、メインハウジング１１とサブハウジング１２，１３とを組み付けてブロック状の雌ハウジング１０を形成する。一方、保護壁４０に突設された振動伝達壁５０の上端に設けられた２個の弾性挟持部５２に対し、一番大きい雌端子３２を端末に接続した最も太い電線３０の途中位置が、径方向に押し込まれて嵌められる。 Then, the effect | action of this embodiment is demonstrated.
In assembling the harness-side connector C1, the main housing 11 and the sub-housings 12 and 13 are assembled to form the block-shaped female housing 10. On the other hand, the middle position of the thickest electric wire 30 connecting the largest female terminal 32 to the terminal with respect to the two elastic clamping portions 52 provided at the upper end of the vibration transmission wall 50 projecting from the protective wall 40, Pushed in the radial direction and fitted.

次に、上記の各雌端子３２が、雌ハウジング１０のタワー部２５内に形成された対応する第１キャビティ２１内に上方から挿入され、正規位置まで挿入されたところで第１キャビティ２１内に設けられたランス（図示せず）に係止され、抜け止めされて収容される。
続いて、弾性挟持部５２を電線３０に沿わせて摺動させつつ、保護壁４０が、雌ハウジング１０（メインハウジング１１）の取付筒部１５の上方突出部１６Ｕに対し、既述した要領で嵌められて押し込まれ、正規位置まで押し込まれたところで、ロック突部１７が取付板４６のロック孔４７に嵌って係止されることにより抜け不能にロックされる。このとき、電線３０に弛みがあったら上方に引っ張って弛みをなくす。振動伝達壁５０は比較的低い背のものに形成されているから、電線３０は、保護壁４０の座面４１から比較的近い位置において、弾性挟持部５２を介して保護壁４０に対して固定されていることになる。
それとともに、他の種類の雌端子も対応するキャビティ２２〜２４に対して挿入され、各雌端子に接続された電線は、収容壁５５を利用して揃えられながら後方に引き出される。 Next, each of the female terminals 32 is inserted into the corresponding first cavity 21 formed in the tower portion 25 of the female housing 10 from above, and provided in the first cavity 21 when inserted to the proper position. It is latched by a lance (not shown), and is stored while being prevented from coming off.
Subsequently, while sliding the elastic clamping portion 52 along the electric wire 30, the protective wall 40 is in the same manner as described above with respect to the upper protruding portion 16U of the mounting cylinder portion 15 of the female housing 10 (main housing 11). When it is fitted and pushed in, and pushed into the normal position, the lock projection 17 is locked in such a manner that it cannot be removed by being fitted and locked in the lock hole 47 of the mounting plate 46. At this time, if the electric wire 30 is slack, it is pulled upward to eliminate the slack. Since the vibration transmission wall 50 is formed to have a relatively low profile, the electric wire 30 is fixed to the protective wall 40 via the elastic clamping portion 52 at a position relatively close to the seat surface 41 of the protective wall 40. Will be.
At the same time, other types of female terminals are also inserted into the corresponding cavities 22 to 24, and the electric wires connected to the respective female terminals are pulled out rearward while being aligned using the receiving wall 55.

このようにハーネス側コネクタＣ１が組み付けられたら、雌ハウジング１０に対してボルト３５が装着される。具体的には、ボルト３５の軸部３７が保護壁４０内に入れられ、その軸部３７が座面４１から脚体４３に亘って形成された挿通孔４４に挿通され、頭部３６が座面４１で受けられた形態で吊り下げ支持される。軸部３７の下端（先端）側は、雌ハウジング１０の取付筒部１５の中空内に垂下した状態となる。   When the harness-side connector C1 is assembled in this way, the bolt 35 is attached to the female housing 10. Specifically, the shaft portion 37 of the bolt 35 is inserted into the protective wall 40, the shaft portion 37 is inserted into an insertion hole 44 formed from the seat surface 41 to the leg body 43, and the head portion 36 is seated. Suspended and supported in the form received by the surface 41. The lower end (front end) side of the shaft portion 37 is suspended from the hollow of the mounting cylinder portion 15 of the female housing 10.

この状態から、図６及び図７の矢線に示すように、ハーネス側コネクタＣ１が相手の機器側コネクタＣ２に対して嵌合される。初めに、雌ハウジング１０側の取付筒部１５の下方突出部１６Ｄが、雄ハウジング６０の底壁６１に立てられた角柱部６２に外嵌され、続いて雌ハウジング１０全体が雄ハウジング６０の内側に嵌められる。取付筒部１５の下方突出部１６Ｄの下端が、雄ハウジング６０の底壁６１のガイド溝６５の上端に臨む程に嵌合されると、ボルト３５の軸部３７の下端が、角柱部６２に形成されたねじ孔６３の上端部に係合する。   From this state, as shown by the arrows in FIGS. 6 and 7, the harness-side connector C1 is fitted to the counterpart device-side connector C2. First, the downward projecting portion 16 </ b> D of the mounting cylinder portion 15 on the female housing 10 side is externally fitted to the rectangular column portion 62 erected on the bottom wall 61 of the male housing 60. Fitted. When the lower end of the downward projecting portion 16 </ b> D of the mounting cylinder portion 15 is fitted so as to face the upper end of the guide groove 65 of the bottom wall 61 of the male housing 60, the lower end of the shaft portion 37 of the bolt 35 is connected to the prismatic portion 62. The upper end portion of the formed screw hole 63 is engaged.

そうしたら手作業による嵌合を停止し、保護壁４０内に工具を入れて同工具によってボルト３５の締結操作を行うと、ボルト３５の頭部３６が保護壁４０の座面４１に押し付けられつつ同ボルト３５の軸部３７の先端の雄ねじ部がねじ孔６３にねじ込まれることにより、雌ハウジング１０が雄ハウジング６０に引き寄せられるようにして嵌合される。
図８及び図９に示すように、雌ハウジング１０の下面が雄ハウジング６０の底壁６１に当たる正規位置まで嵌合されると、工具によるボルト３５の締結操作が停止され、併せて両ハウジング１０，６０が正規に嵌合された状態に保持される。この間に、雌ハウジング１０に収容された雌端子３２を含む全雌端子と、雄ハウジング６０に一体的に装着された雄端子６７を含む対応する全雄端子とが、正規に嵌合接続されることになる。
なお、雌ハウジング１０の上面側に引き出された２本の太い電線３０を含む電線が一まとめにされ、テープ等で結束されてハーネス化される。 Then, when manual fitting is stopped, a tool is inserted into the protective wall 40 and the bolt 35 is fastened with the tool, the head portion 36 of the bolt 35 is pressed against the seat surface 41 of the protective wall 40. When the male screw portion at the tip of the shaft portion 37 of the bolt 35 is screwed into the screw hole 63, the female housing 10 is fitted to the male housing 60.
As shown in FIGS. 8 and 9, when the lower surface of the female housing 10 is fitted to the normal position where it contacts the bottom wall 61 of the male housing 60, the fastening operation of the bolt 35 by the tool is stopped, and both the housings 10, 60 is held in a properly fitted state. During this time, all the female terminals including the female terminals 32 housed in the female housing 10 and the corresponding all male terminals including the male terminals 67 integrally attached to the male housing 60 are normally fitted and connected. It will be.
In addition, the electric wires including the two thick electric wires 30 drawn to the upper surface side of the female housing 10 are put together, and are bundled with a tape or the like to form a harness.

ボルト締めコネクタは上記の形態において使用に供される。ここで雌ハウジング１０から引き出されたハーネスが振動を受けると、特に太い２本の電線３０が振動を伝達しやすい。そのため、同電線３０の端末に接続されて第１キャビティ２１内に収容された雌端子３２も振動するが、同電線３０の振動は、振動伝達壁５０を介して保護壁４０に伝達され、さらに保護壁４０に頭部３６が押し付けられたボルト３５を介して、同ボルト３５が固定された相手の雄ハウジング６０に伝達され、ひいては雄ハウジング６０に一体的に装着された雄端子６７が、雌端子３２と同じような形態で同期して振動する。そのため、雌端子３２と雄端子６７間で微摺動摩耗が生じることが防止される。   The bolted connector is provided for use in the above form. Here, when the harness pulled out from the female housing 10 is subjected to vibration, the two thick electric wires 30 are likely to transmit vibration. Therefore, the female terminal 32 connected to the terminal of the electric wire 30 and accommodated in the first cavity 21 also vibrates, but the vibration of the electric wire 30 is transmitted to the protective wall 40 via the vibration transmission wall 50, and A bolt 35 whose head 36 is pressed against the protective wall 40 is transmitted to a mating male housing 60 to which the bolt 35 is fixed. As a result, a male terminal 67 mounted integrally with the male housing 60 It vibrates synchronously in the same form as the terminal 32. Therefore, the occurrence of fine sliding wear between the female terminal 32 and the male terminal 67 is prevented.

以上のように本実施形態によれば、ボルト３５の頭部３６の締結箇所の周りに設けた保護壁４０に振動伝達壁５０を設け、同振動伝達壁５０に弾性挟持部５２を介して雌端子３２から引き出された電線３０を固定する構造としたから、電線３０が振動を受けた場合、同電線３０の端末の雌端子３２が第１キャビティ２１内で振動する一方、この電線３０の振動が、保護壁４０に固定されたボルト３５を介して雄ハウジング６０に伝達され、ひいては雄ハウジング６０に一体的に装着された雄端子６７が、雌端子３２と同じように振動し、互いに嵌合接続された雌端子３２と雄端子６７同士が同期して振動することとなって、両端子３２，６７間で微摺動摩耗が生じることが防止される。   As described above, according to the present embodiment, the vibration transmission wall 50 is provided on the protective wall 40 provided around the fastening portion of the head portion 36 of the bolt 35, and the female wall is provided on the vibration transmission wall 50 via the elastic clamping portion 52. Since the electric wire 30 drawn out from the terminal 32 is fixed, when the electric wire 30 receives vibration, the female terminal 32 at the end of the electric wire 30 vibrates in the first cavity 21, while the electric wire 30 vibrates. Is transmitted to the male housing 60 through the bolts 35 fixed to the protective wall 40, and the male terminal 67 attached integrally to the male housing 60 vibrates in the same manner as the female terminal 32 and fits to each other. The connected female terminal 32 and male terminal 67 vibrate in synchronism with each other, and the occurrence of fine sliding wear between both terminals 32 and 67 is prevented.

特に、保護壁４０を雌ハウジング１０とは別体として備えたから、電線３０の振動が雌ハウジング１０に伝わることが抑制され、その分ボルト３５を介して雄ハウジング６０により伝達されるようになって、互いに接続された雌端子３２と雄端子６７とがさらに同期して振動しやすくなる。
電線３０が保護壁４０の振動伝達壁５０に固定されるに当たり、電線３０は、保護壁４０の座面４１から比較的近い位置において弾性挟持部５２を介して固定されているから、例えば電線３０のうち保護壁４０の座面４１から比較的遠い位置で振動伝達壁５０に固定されている場合と比較すると、電線３０の振動を受けた場合に保護壁４０が回動し難く、結果ボルト３５の緩みが防止される。
また、電線３０を振動伝達壁５０に固定するに当たっては、電線３０を弾性挟持部５２に向けて径方向に押し込むだけでよいから、電線３０の振動伝達壁５０に対する固定作業がしやすい。 In particular, since the protective wall 40 is provided separately from the female housing 10, the vibration of the electric wire 30 is suppressed from being transmitted to the female housing 10, and is transmitted by the male housing 60 via the bolt 35. The female terminal 32 and the male terminal 67 connected to each other are more likely to vibrate in synchronization.
When the electric wire 30 is fixed to the vibration transmission wall 50 of the protective wall 40, the electric wire 30 is fixed via the elastic clamping portion 52 at a position relatively close to the seating surface 41 of the protective wall 40. As compared with the case where the protection wall 40 is fixed to the vibration transmission wall 50 at a position relatively far from the seating surface 41 of the protection wall 40, the protection wall 40 is difficult to rotate when subjected to the vibration of the electric wire 30, resulting in the bolt 35. Is prevented from loosening.
Further, in order to fix the electric wire 30 to the vibration transmission wall 50, it is only necessary to push the electric wire 30 in the radial direction toward the elastic clamping portion 52. Therefore, it is easy to fix the electric wire 30 to the vibration transmission wall 50.

＜実施形態２＞
図１３は、本発明の実施形態２を示す。この実施形態では、保護壁４０に立てられた振動伝達壁５０Ａに電線３０を固定する部分の構造に変更が加えられている。
この実施形態では、各電線３０について３個ずつの弾性挟持部５２Ａが設定されており、この弾性挟持部５２Ａは、実施形態１の弾性挟持部５２と比べると、背の低い略半円筒形に形成されている。これら３個の弾性挟持部５２Ａが、所定間隔を開けて上下３段に亘り、開口側を交互に左右逆に向けた姿勢で形成されている。 <Embodiment 2>
FIG. 13 shows Embodiment 2 of the present invention. In this embodiment, a change is made to the structure of the portion for fixing the electric wire 30 to the vibration transmission wall 50 </ b> A standing on the protective wall 40.
In this embodiment, three elastic clamping portions 52A are set for each electric wire 30, and the elastic clamping portions 52A have a substantially semicylindrical shape which is lower than the elastic clamping portion 52 of the first embodiment. Is formed. These three elastic clamping parts 52A are formed in a posture in which the opening sides are alternately directed to the left and right sides in an up and down three steps at predetermined intervals.

この構造によれば、電線３０は、上段と中段の弾性挟持部５２Ａ、並びに中段と下段の弾性挟持部５２Ａにより、それぞれ径方向の両側から閉じるように挟まれるから、電線３０の外れ防止がより確実になされる。
その他の構造、並びに、電線３０が振動した場合に、同電線３０の端末の雌端子３２と、これと接続された雄端子６７とを同期して振動させて、微摺動摩耗を防止するという作用効果が得られることは、実施形態１と同様である。 According to this structure, the electric wire 30 is sandwiched by the upper and middle elastic clamping portions 52A and the middle and lower elastic clamping portions 52A so as to be closed from both sides in the radial direction. Certainly done.
When the electric wire 30 vibrates in other structures, the female terminal 32 at the end of the electric wire 30 and the male terminal 67 connected thereto are vibrated synchronously to prevent fine sliding wear. The effect is obtained as in the first embodiment.

＜他の実施形態＞
本発明は上記記述及び図面によって説明した実施形態に限定されるものではなく、例えば次のような実施形態も本発明の技術的範囲に含まれる。
（１）保護壁の振動伝達壁に設ける固定部としては、上記実施形態に例示した略半円筒形をなす弾性挟持部に限らず、例えば振動伝達壁に手前側に突出した固定板を設けて同固定板に電線を圧入する圧入溝を設けたもの等、他の構造のものであってもよい。
（２）ハーネス側コネクタの組み付け手順は上記実施形態に例示したものに限らず、雌端子の大きさや、弾性挟持部の形成位置等の条件によっては、雌ハウジングに対して先に保護壁を取り付け、その後に雌端子をキャビティに挿入してその電線を弾性挟持部に押し込んで嵌める等、他の手順を踏んでも良い。 <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) The fixing portion provided on the vibration transmission wall of the protective wall is not limited to the elastic pinching portion having a substantially semi-cylindrical shape exemplified in the above embodiment, and for example, a fixing plate that protrudes to the near side is provided on the vibration transmission wall. The thing of other structures, such as what provided the press-fit groove which press-fits an electric wire in the fixed plate, may be used.
(2) The harness-side connector assembly procedure is not limited to the one exemplified in the above embodiment, and a protective wall is first attached to the female housing depending on conditions such as the size of the female terminal and the formation position of the elastic clamping portion. Then, other procedures such as inserting the female terminal into the cavity and pushing the wire into the elastic clamping portion may be followed.

（３）上記実施形態では、保護壁を雌ハウジングとは別体に形成して後付けするものを例示したが、保護壁は雌ハウジングの外面に一体的に形成するようにしてもよい。この場合は雌ハウジングの外面が、ボルトの頭部が当たる座面となる。
（４）ハーネス側コネクタは、上記実施形態に例示したブロックコネクタに限らず、フレーム内に複数のサブハウジングを組み付けた分割コネクタ、さらには単一のハウジングを備えたコネクタであってもよい。
（５）また本発明は、ハイブリッド式のコネクタに限らず、単一種の端子金具を多数本ハウジング内に収容した形式の多極コネクタにも同様に適用することが可能である。 (3) In the above embodiment, the protective wall is formed separately from the female housing and is retrofitted. However, the protective wall may be integrally formed on the outer surface of the female housing. In this case, the outer surface of the female housing is a seat surface against which the head of the bolt hits.
(4) The harness-side connector is not limited to the block connector exemplified in the above embodiment, and may be a split connector in which a plurality of sub-housings are assembled in a frame, or a connector having a single housing.
(5) The present invention is not limited to a hybrid connector, but can be similarly applied to a multipolar connector in which a large number of single-type terminal fittings are accommodated in a housing.

Ｃ１…ハーネス側コネクタ
Ｃ２…機器側コネクタ
１０…雌ハウジング
１１…メインハウジング
１２，１３…サブハウジング
１５…取付筒部（被取付部）
１６Ｄ…下方突出部
１６Ｕ…上方突出部
１７…ロック突部（ロック機構）
２１…第１キャビティ（キャビティ）
２５…タワー部
３０…電線
３２…雌端子
３５…ボルト
３６…頭部
３７…軸部
４０…保護壁
４１…座面
４２…周壁
４３…脚体
４４…挿通孔
４５…外筒
４６…取付板
４７…ロック孔（ロック機構）
５０，５０Ａ…振動伝達壁（振動伝達部）
５２，５２Ａ…弾性挟持部（固定部）
６０…雄ハウジング
６２…角柱部
６３…ねじ孔
６７…雄端子 C1 ... harness side connector C2 ... equipment side connector 10 ... female housing 11 ... main housing 12,13 ... sub housing 15 ... mounting cylinder (attached part)
16D ... downward projection 16U ... upward projection 17 ... lock projection (lock mechanism)
21 ... 1st cavity (cavity)
25 ... Tower part 30 ... Electric wire 32 ... Female terminal 35 ... Bolt 36 ... Head 37 ... Shaft part 40 ... Protection wall 41 ... Seat surface 42 ... Peripheral wall 43 ... Leg body 44 ... Insertion hole 45 ... Outer tube 46 ... Mounting plate 47 ... Lock hole (lock mechanism)
50, 50A ... Vibration transmission wall (vibration transmission part)
52, 52A ... Elastic clamping part (fixing part)
60 ... Male housing 62 ... Square column 63 ... Screw hole 67 ... Male terminal

Claims (5)

電線の端末に接続された雌端子をキャビティ内に収容した雌ハウジングと、雄端子を一体的に装着した雄ハウジングとを備え、前記雌ハウジングに回転可能に設けたボルトを前記雄ハウジングに設けたねじ孔に螺合して締め付けることにより、両ハウジングを互いに引き寄せて嵌合し、対応する雌端子と雄端子同士を接続するようにしたボルト締めコネクタにおいて、
前記雌ハウジングにおける前記ボルトの頭部の締結箇所の周りには、当該ボルトの締め付け操作を行う工具に電線が干渉することから保護する保護壁が設けられ、この保護壁に、前記電線を固定する固定部を備えた振動伝達部が一体的に形成されていることを特徴とするボルト締めコネクタ。 A female housing in which a female terminal connected to an end of an electric wire is accommodated in a cavity and a male housing in which a male terminal is integrally attached are provided, and a bolt provided rotatably on the female housing is provided on the male housing. In the bolt tightening connector in which both housings are pulled and fitted together by screwing into the screw holes and tightened, and the corresponding female terminals and male terminals are connected,
Around the fastening portion of the head of the bolt in the female housing, a protective wall is provided to protect the electric wire from interfering with a tool for tightening the bolt, and the electric wire is fixed to the protective wall. A bolt tightening connector, wherein a vibration transmitting portion including a fixing portion is integrally formed. 前記保護壁は、前記ボルトの頭部の座面を設けた形状をなして前記雌ハウジングとは別体に形成されており、前記雌ハウジングに設けられた被取付部に対してロック機構を介して装着されていることを特徴とする請求項１記載のボルト締めコネクタ。 The protective wall is formed separately from the female housing and has a shape in which a seating surface of the head of the bolt is provided. A lock mechanism is provided to a mounted portion provided in the female housing. The bolted connector according to claim 1, wherein the bolted connector is attached. 前記保護壁に形成された前記振動伝達部の前記固定部が、前記雌ハウジングから引き出された前記電線のうち前記保護壁の前記座面に近い位置を固定可能とされていることを特徴とする請求項２記載のボルト締めコネクタ。 The fixing portion of the vibration transmitting portion formed on the protective wall is capable of fixing a position close to the seating surface of the protective wall among the electric wires drawn out from the female housing. The bolted connector according to claim 2. 前記振動伝達部の前記固定部は、略半円筒形をなして前記電線を径方向に嵌合することにより弾性的に挟持する弾性挟持部により構成されていることを特徴とする請求項１ないし請求項３のいずれか一項に記載のボルト締めコネクタ。 The said fixing | fixed part of the said vibration transmission part is comprised by the elastic clamping part which makes a substantially semicylindrical shape and elastically clamps by fitting the said electric wire to radial direction. The bolt fastening connector as described in any one of Claim 3. 前記弾性挟持部は、前記電線の長さ方向に離間した位置に２個、それぞれの開口側を互いに向き合わせた姿勢で配されていることを特徴とする請求項４記載のボルト締めコネクタ。 5. The bolt tightening connector according to claim 4, wherein two elastic clamping portions are arranged at positions separated from each other in the length direction of the electric wire in a posture in which the respective opening sides face each other.
JP2011155485A 2011-07-14 2011-07-14 Bolted connector Expired - Fee Related JP5655729B2 (en)

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