JP6937193B2 - Lock structure of electrical junction box - Google Patents

Lock structure of electrical junction box Download PDF

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JP6937193B2
JP6937193B2 JP2017162926A JP2017162926A JP6937193B2 JP 6937193 B2 JP6937193 B2 JP 6937193B2 JP 2017162926 A JP2017162926 A JP 2017162926A JP 2017162926 A JP2017162926 A JP 2017162926A JP 6937193 B2 JP6937193 B2 JP 6937193B2
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locking
locked
lock
fuse box
cover
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JP2019041516A (en
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弘 木村
弘 木村
清水　一宏
一宏 清水
康太郎 栗田
康太郎 栗田
真吾 飯田
真吾 飯田
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Sumitomo Wiring Systems Ltd
Suzuki Motor Co Ltd
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Suzuki Motor Co Ltd
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  • Connection Or Junction Boxes (AREA)
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Description

本発明は電気接続箱のロック構造に関し、詳しくは、ヒューズボックス等の電気接続箱とカバー等の被固定材とのロック機構において、電気接続箱の外周に予め設けられているロック部を利用して、該ロック部へのロック方向と逆方向から前記被固定材をロックできるようにするものである。 The present invention relates to a lock structure of an electrical junction box. Specifically, in a locking mechanism between an electrical junction box such as a fuse box and a fixed material such as a cover, a lock portion provided in advance on the outer periphery of the electrical junction box is used. Therefore, the material to be fixed can be locked from the direction opposite to the locking direction to the locking portion.

車両に配索するワイヤハーネスの電線群はヒューズボックス等の電気接続箱に接続し、該電気接続箱はカバー、ボックスホルダー、車体パネル等の被固定材に固定される。この被固定材へのロック手段は、各種タイプの車両に共用できるように、例えば、図５（Ａ）に示すように、四角形状のヒューズボックス１の４辺の外面にそれぞれスルー形状のロック部２、３、４、５が設けられ、そのうちの３つのロック部２〜４の係止爪２ｒ〜４ｒ（２ｒと４ｒは不図示）の傾斜突出部の方向が同一とされ、他の１つのロック部５の係止爪５ｒの傾斜突出部の方向が逆方向とされている。具体的には、左右２カ所のロック部２と３と下方のロック部４の係止爪２ｒ、３ｒ、４ｒは前端が突出し、矢印Ｙ１に示すように後方Ｒから前方Ｆに向けてカバー等の被固定材の被ロック部が挿入されてロック爪２ｒ〜４ｒに係止するように設けられている。上方のロック部５の係止爪５ｒのみ後端が突出し、矢印Ｙ２に示すように前方Ｆから後方Ｒに向けて被固定材の被ロック部が挿入されて係止爪５ｒに係止するように設けられている。 The electric wire group of the wire harness to be distributed to the vehicle is connected to an electric connection box such as a fuse box, and the electric connection box is fixed to a material to be fixed such as a cover, a box holder, and a vehicle body panel. The locking means to the fixed material can be shared by various types of vehicles. For example, as shown in FIG. 5A, through-shaped locking portions are provided on the outer surfaces of the four sides of the square fuse box 1. 2, 3, 4 and 5 are provided, and the directions of the inclined protrusions of the locking claws 2r to 4r (2r and 4r are not shown) of the three locking portions 2 to 4 are the same, and the other one. The direction of the inclined protrusion of the locking claw 5r of the locking portion 5 is opposite. Specifically, the front ends of the locking claws 2r, 3r, and 4r of the two locking portions 2 and 3 on the left and right and the locking claws 2r, 3r, and 4r on the lower locking portion 4 protrude, and as shown by the arrow Y1, the cover or the like is covered from the rear R to the front F. The locked portion of the material to be fixed is inserted so as to be locked to the lock claws 2r to 4r. The rear end of only the locking claw 5r of the upper locking portion 5 protrudes, and as shown by the arrow Y2, the locked portion of the fixed material is inserted from the front F toward the rear R so as to lock on the locking claw 5r. It is provided in.

前記ロック部の係止爪２ｒ〜５ｒにロックする図５（Ｂ）に示す相手側部材１４０の被ロック部は、両側のガイド枠１５０、１５０の間にＵ形状の係止片１６０を可撓自在に連結し、該係止片１６０の突出端側に係止枠１６１を設けている。該係止枠１６１に対して、図５（Ｃ）に示すように、係止爪２ｒ〜４ｒの突出した先端が係止される周知の形状とされている。（特開２０００−３２６２８号公報、特開２００５−８０４３４号公報等参照） The locked portion of the mating side member 140 shown in FIG. 5B, which is locked to the locking claws 2r to 5r of the locking portion, has a U-shaped locking piece 160 flexible between the guide frames 150 and 150 on both sides. It is freely connected, and a locking frame 161 is provided on the protruding end side of the locking piece 160. As shown in FIG. 5C, the locking frame 161 has a well-known shape in which the protruding tips of the locking claws 2r to 4r are locked. (Refer to JP-A-2000-32628, JP-A-2005-80434, etc.)

特開２０００−３２６２８号公報Japanese Unexamined Patent Publication No. 2000-32628 特開２００５−８０４３４号公報Japanese Unexamined Patent Publication No. 2005-80434

図６（Ａ）に示すヒューズボックス１において、ワイヤハーネス５０の電線群をヒューズボックス１の裏面の後方Ｒからヒューズボックスの端子収容室に挿入する場合、電線を保護するために、ヒューズボックス１の裏面（後面）にカバー２００を配置し、該カバー２００を既存のヒューズボックス１の外面に設けられているロック部２〜５を利用して固定することが好ましい。 In the fuse box 1 shown in FIG. 6 (A), when the electric wire group of the wire harness 50 is inserted into the terminal accommodating chamber of the fuse box from the rear R of the back surface of the fuse box 1, the fuse box 1 is used to protect the electric wires. It is preferable to arrange the cover 200 on the back surface (rear surface) and fix the cover 200 by using the lock portions 2 to 5 provided on the outer surface of the existing fuse box 1.

この場合、４つのロック部２〜５のうちワイヤハーネス接続側の左辺のロック部２はカバー固定用として利用できず、右辺および上下辺のロック部３、４、５がカバー固定用として利用可能である。右辺および下辺のロック部３、４は後方Ｒから前方Ｆに向けて被固定材を矢印Ｙ１方向に挿入係止するため、後方に配置するカバー２００の被ロック部の係止枠をロック係止することができる。しかしながら、上辺のロック部５はＹ２方向の前方から後方へ被固定材の係止枠を挿入するため、後方に配置するカバー２００の逆方向となるためロックできず、よって、被ロック部が設けられない。即ち、図６（Ｂ）に示すように上辺は逆方向でロック不可の「×」となり、下辺と右辺の２カ所のみがロック可の「◎」となる。 In this case, of the four lock portions 2 to 5, the lock portion 2 on the left side on the wire harness connection side cannot be used for fixing the cover, and the lock portions 3, 4 and 5 on the right side and the upper and lower sides can be used for fixing the cover. Is. Since the locked members 3 and 4 on the right side and the lower side insert and lock the fixed material from the rear R toward the front F in the direction of the arrow Y1, the locking frame of the locked portion of the cover 200 arranged at the rear is locked. can do. However, since the lock portion 5 on the upper side inserts the locking frame of the fixed material from the front to the rear in the Y2 direction, it cannot be locked because it is in the opposite direction of the cover 200 arranged behind, so that the locked portion is provided. I can't. That is, as shown in FIG. 6B, the upper side is a lockable “x” in the opposite direction, and only the lower side and the right side are lockable “⊚”.

このように、四角形状のヒューズボックス１の４辺のロック部の右辺と下辺のロック部３と４の２つしか利用できない場合、カバー２００の保持力が弱くなる。よって、ワイヤハーネス５０の剛性でカバー２００が変形し、ヒューズボックス１とカバー２００の間に隙間ができ、ワイヤハーネス５０が噛み込む恐れがある。また、隙間内でワイヤハーネスが振動しカバー２００に衝突して異音が発生する恐れもある。 As described above, when only two of the lock portions 3 and 4 on the right side and the lower side of the lock portions on the four sides of the rectangular fuse box 1 can be used, the holding force of the cover 200 is weakened. Therefore, the rigidity of the wire harness 50 deforms the cover 200, and a gap is formed between the fuse box 1 and the cover 200, which may cause the wire harness 50 to bite. Further, the wire harness may vibrate in the gap and collide with the cover 200 to generate an abnormal noise.

前記ヒューズボックス１の上辺のロック部５の方向を逆にすれば、３カ所がロックされ、ヒューズボックス１に対するカバー２００の保持力を高めることができる。しかしながら、ロック部５の方向を変えるにはヒューズボックス１を成形する金型を新規に設ける必要があり、製造コストがかかる問題がある。 By reversing the direction of the lock portion 5 on the upper side of the fuse box 1, three places are locked, and the holding force of the cover 200 with respect to the fuse box 1 can be increased. However, in order to change the direction of the lock portion 5, it is necessary to newly provide a mold for forming the fuse box 1, which causes a problem that the manufacturing cost is high.

本発明は前記問題に鑑みてなされたもので、ヒューズボックス等の電気接続箱に固定するカバー等の被固定材に、電気接続箱に設けられているロック部に対して被ロック部の挿入方向が設定方向と逆であっても係止できる被ロック部を設け、ヒューズボックス等の既存の電気接続箱の形状を変えることなく、カバー等の被固定材をロックできるようにすることを課題としている。 The present invention has been made in view of the above problems, and the direction in which the locked portion is inserted into the fixed material such as a cover to be fixed to the electric junction box such as a fuse box with respect to the lock portion provided in the electrical connection box. The challenge is to provide a locked part that can be locked even if the direction is opposite to the set direction, so that the fixed material such as the cover can be locked without changing the shape of the existing electrical connection box such as the fuse box. There is.

前記課題を解決するため、本発明は、電気接続箱と相手方の被固定材のロック構造であって、前記電気接続箱のハウジング外面に一対のガイド枠で挟まれた係止爪を備えたロック部が設けられ、該ロック部は前記被固定材の被ロック部の挿入方向に対応したストッパ板が前記ガイド枠の先端に設けられており、
前記被固定材に前記挿入方向と逆方向から前記ロック部と係止する被ロック部が設けられ、該被ロック部は前記ロック部のストッパ板を嵌め込んで係止する隙間を備えていることを特徴とする電気接続箱のロック構造を提供している。 In order to solve the above problems, the present invention has a lock structure of an electric connection box and a material to be fixed of the other party, and is provided with a locking claw sandwiched between a pair of guide frames on the outer surface of the housing of the electric connection box. A portion is provided, and the lock portion is provided with a stopper plate corresponding to the insertion direction of the locked portion of the fixed material at the tip of the guide frame.
The fixed material is provided with a locked portion that locks with the locked portion from the direction opposite to the insertion direction, and the locked portion has a gap for fitting and locking the stopper plate of the locked portion. It provides a lock structure for electrical junction boxes featuring.

具体的には、例えば、前記電気接続箱のロック部の係止爪は傾斜突出部からなり、該傾斜突出部の傾斜方向に応じて前記被ロック部の挿入方向が規定されると共に、該挿入方向に応じて前記ストッパ板は前記ガイド枠の挿入方向の前端または後端に設けられており、
前記挿入方向と逆方向から挿入する前記被固定材の被ロック部は、切込部の奥端縁から一対のガイド枠を切込部に向けて突設し、該ガイド枠は上方に突出した摺動部の外面下部から横向き山形状に係止片部が突設し、該係止片部は突出した前端から奥端に向けて外方へ広がる形状とする一方、前記切込部の左右両側を段状係止部が突出した屈折側面とし、該段状係止部と前記係止片部の間には前記ロック部のストッパ板が挿入係止する前記隙間を設けた構成としている。 Specifically, for example, the locking claw of the lock portion of the electrical connection box is composed of an inclined protrusion, and the insertion direction of the locked portion is defined according to the inclination direction of the inclined protrusion, and the insertion is defined. Depending on the direction, the stopper plate is provided at the front end or the rear end in the insertion direction of the guide frame.
The locked portion of the material to be fixed, which is inserted from the direction opposite to the insertion direction, projects a pair of guide frames toward the notch from the back edge of the notch, and the guide frame projects upward. A locking piece is projected from the lower part of the outer surface of the sliding portion in a lateral mountain shape, and the locking piece has a shape that extends outward from the protruding front end to the back end, while the left and right of the cut portion. Both sides have a refracting side surface on which a stepped locking portion protrudes, and a gap is provided between the stepped locking portion and the locking piece portion to insert and lock the stopper plate of the locking portion.

前記被ロック部はガイド枠を切込部に向けて突出させて可撓性を持たせ、該ガイド枠の摺動部を互いに近接する方向に摘まんで撓ませると、前記係止片部がロック部のストッパ板から外れ、ロック解除できる構成とされている。 The locked portion is made flexible by projecting the guide frame toward the notch portion, and when the sliding portion of the guide frame is pinched and bent in a direction close to each other, the locking piece portion is locked. It is configured so that it can be unlocked by removing it from the stopper plate of the part.

例えば、前記電気接続箱はヒューズボックスからなり、ハウジングの４辺の外面のうちの１辺に前記挿入方向を逆方向とした前記ロック部を備えていると共に他の３辺の外面に前記挿入方向のロック部を備えている一方、
前記被固定材は前記ヒューズボックスの背面に取り付けるカバーからなり、前記逆方向のロック部に係止する前記被ロック部以外の被ロック部は前記ロック部の係止爪に係止する係止枠を備えた既存の形状とし、
前記ヒューズボックスに前記カバーを３辺でロック固定している。 For example, the electrical junction box is composed of a fuse box, and one of the four outer surfaces of the housing is provided with the lock portion in which the insertion direction is opposite, and the other three outer surfaces are provided with the insertion direction. While it has a lock part of
The fixed material includes a cover attached to the back surface of the fuse box, and a locked portion other than the locked portion that locks to the lock portion in the opposite direction is a locking frame that locks to the locking claw of the lock portion. To the existing shape with
The cover is locked and fixed to the fuse box on three sides.

前記電気接続箱は既存のヒューズボックスであり、前記相手方部材の被固定材は前記ヒューズボックスの背面に取り付ける新設のカバーからなり、該カバーの後面板で前記ヒューズボックスの後面を覆い、該後面板の上端から突出する上板部に前記逆方向から挿入する形状の前記ロック部に挿入する前記被ロック部を設け、前記後面板の下端および側端から突出する板部に前記挿入方向のロック部に係止する被ロック部を設けている。 The electrical connection box is an existing fuse box, and the material to be fixed of the mating member is a newly installed cover attached to the back surface of the fuse box. The rear surface plate of the cover covers the rear surface of the fuse box, and the rear surface plate is used. The lock portion to be inserted into the lock portion having a shape to be inserted from the opposite direction is provided on the upper plate portion protruding from the upper end of the rear surface plate, and the lock portion in the insertion direction is provided on the plate portion protruding from the lower end and the side end of the rear surface plate. A locked portion for locking is provided.

前記のように、既存のヒューズボックス等の電気接続箱に設けている複数のロック部が、相手方部材の被ロック部の挿入方向を１つだけ相違させて逆方向にしている場合、該電気接続箱に取り付けるカバー等の被告固定材に逆方向から挿入してもロックできる前記被ロック部を設けている。よって、複雑な構造のヒューズボックス等の電気接続箱を新規に設ける必要はなく製造コストを大幅に低減できる。
かつ、前記新設カバーに、既存のヒューズボックスの他のロック部に正規方向から挿入する周知形状の被ロック部を設けるため、ヒューズボックスにカバーを３方向の面でロック結合して安定保持できる。その結果、カバー等の被固定材の変形、ガタ付きを防止でき、ワイヤハーネスの電線の噛み込み発生を防止できる等の利点がある。 As described above, when a plurality of lock portions provided in an existing electrical connection box such as a fuse box have the locked portions of the mating member inserted in different directions by only one, the electrical connection is made. The locked portion is provided so that it can be locked even if it is inserted from the opposite direction into the defendant fixing material such as a cover attached to the box. Therefore, it is not necessary to newly install an electric connection box such as a fuse box having a complicated structure, and the manufacturing cost can be significantly reduced.
Moreover, since the newly installed cover is provided with a well-known locked portion to be inserted into another lock portion of the existing fuse box from the normal direction, the cover can be locked and stably held in the fuse box in three directions. As a result, it is possible to prevent deformation and rattling of the material to be fixed such as a cover, and it is possible to prevent the wire harness from being caught in the wire.

本発明の実施形態を示し、（Ａ）はヒューズボックスからなる電気接続箱とカバーからなる被固定材の斜視図、（Ｂ）はヒューズボックスに設けるロック部の要部斜視図、（Ｃ）はカバーに設ける係止枠を備えた被ロック部の要部斜視図である。Embodiments of the present invention are shown, (A) is a perspective view of an electric connection box composed of a fuse box and a fixed material composed of a cover, (B) is a perspective view of a main part of a lock portion provided in the fuse box, and (C) is a perspective view of a main part of a lock portion provided in the fuse box. It is a main part perspective view of the locked part provided with the locking frame provided in the cover. （Ａ）は前記カバーの逆方向からロックする被ロック部の斜視図、（Ｂ）は（Ａ）の要部概略平面図である。(A) is a perspective view of a locked portion that locks from the opposite direction of the cover, and (B) is a schematic plan view of a main part of (A). （Ａ）は前記ヒューズボックスにカバーを固定した状態の斜視図、（Ｂ）は（Ａ）のロック部と被ロック部が係止した部分の拡大平面図である。(A) is a perspective view of a state in which the cover is fixed to the fuse box, and (B) is an enlarged plan view of a portion in which the locked portion and the locked portion of (A) are locked. （Ａ）は前記ヒューズボックスをカバーから取り外す工程を示す斜視図、（Ｂ）は（Ａ）の要部概略平面図である。(A) is a perspective view showing a process of removing the fuse box from the cover, and (B) is a schematic plan view of a main part of (A). 従来例を示し、（Ａ）はヒューズボックスからなる電気接続箱の斜視図、（Ｂ）は相手方部材の被ロック部を示す斜視図、（Ｃ）はロック部分を示す概略図である。A conventional example is shown, (A) is a perspective view of an electric connection box made of a fuse box, (B) is a perspective view showing a locked portion of a mating member, and (C) is a schematic view showing a locked portion. （Ａ）（Ｂ）は前記ヒューズボックスにカバーをロック固定する場合の問題点を示す斜視図である。(A) and (B) are perspective views showing problems when the cover is locked and fixed to the fuse box.

以下、本発明の実施形態を図面を参照して説明する。
図１乃至図４に本発明の実施形態を示す。
本実施形態で用いる電気接続箱は図５および図６に示す既存のヒューズボックス１であり、該ヒューズボックス１を取り付ける相手方部材の被固定材はヒューズボックス１の後方Ｒの背面に固定する新設のカバー１０である。該カバー１０は他のリレーボックス等の電気接続箱も固定して車体パネルに複数の電気接続箱を一括して固定するものであるが、ヒューズボックス１のみを固定して車両パネルに取り付けるものであってもよい。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 4 show embodiments of the present invention.
The electrical junction box used in this embodiment is the existing fuse box 1 shown in FIGS. 5 and 6, and the material to be fixed of the mating member to which the fuse box 1 is attached is newly installed to be fixed to the back surface of the rear R of the fuse box 1. The cover 10. The cover 10 is for fixing a plurality of electric junction boxes to the vehicle body panel at once by fixing other electric junction boxes such as relay boxes, but is for fixing only the fuse box 1 and attaching it to the vehicle panel. There may be.

ヒューズボックス１は前述した如く四角形状のハウジング６の左右上下の４つの辺６ａ、６ｂ、６ｄ、６ｃの外面にそれぞれスルー形状のロック部２、３、５、４が設けられている。そのうち左側の辺６ａのロック部２、右側の辺６ｂのロック部３、下辺６ｃのロック部４の係止爪２ｒ、３ｒ、４ｒは後方Ｒから前方Ｆに向けて矢印Ｙ１方向に相手型の被ロック部が係止されるように前端が突出する傾斜突出部とされている。残りの上辺６ｄの外面に設けるロック部５のみ前方Ｆから後方Ｒの矢印Ｙ２の方向で被ロック部が係止されるようにロック爪５ｒは後端が突出する傾斜突出部とされている。 As described above, the fuse box 1 is provided with through-shaped lock portions 2, 3, 5, and 4 on the outer surfaces of the four sides 6a, 6b, 6d, and 6c on the left, right, top, and bottom of the square housing 6, respectively. Of these, the lock portion 2 on the left side 6a, the lock portion 3 on the right side 6b, and the locking claws 2r, 3r, and 4r on the lock portion 4 on the lower side 6c are of the mating type in the direction of the arrow Y1 from the rear R toward the front F. It is an inclined protrusion whose front end protrudes so that the locked portion is locked. The lock claw 5r is an inclined protrusion whose rear end protrudes so that the locked portion is locked in the direction of the arrow Y2 from the front F to the rear R only for the lock portion 5 provided on the outer surface of the remaining upper side 6d.

詳しくは、各ロック部２〜５は係止爪２ｒ〜５ｒを挟む両側にＬ形状のガイド枠２ａ、３ａ、４ａ、５ａを左右対称に突設している。後方Ｒから前方Ｆへ矢印Ｙ１方向に被ロック部の係止枠を挿入するロック部２、３、４では各ガイド枠２ａ、３ａ、４ａの前端にそれぞれストッパ板２ｂ、３ｂ、４ｂを設けている。図１（Ｂ）に示すように、矢印Ｙ２の逆方向のロック部５ではガイド枠５ａの後端にストッパ板５ｂを設けている。 Specifically, each of the lock portions 2 to 5 has L-shaped guide frames 2a, 3a, 4a, and 5a projecting symmetrically on both sides of the locking claws 2r to 5r. In the lock portions 2, 3 and 4 for inserting the locking frame of the locked portion in the direction of the arrow Y1 from the rear R to the front F, stopper plates 2b, 3b and 4b are provided at the front ends of the guide frames 2a, 3a and 4a, respectively. There is. As shown in FIG. 1 (B), the lock portion 5 in the opposite direction of the arrow Y2 is provided with a stopper plate 5b at the rear end of the guide frame 5a.

前記ヒューズボックス１には図中左側から配索されてくるワイヤハーネス５０の電線端末の端子が、ヒューズボックス１の前後方向に貫通する各端子収容室（キャビティ）１ａ内に後方から挿入係止され、これらの後方の電線を保護するため、ヒューズボックス１の後方にカバー１０を取り付け、該カバー１０を車体パネル（図示せず）に固定している。 In the fuse box 1, the terminal of the electric wire terminal of the wire harness 50, which is arranged from the left side in the drawing, is inserted and locked from the rear into each terminal accommodating chamber (cavity) 1a penetrating in the front-rear direction of the fuse box 1. In order to protect these rear electric wires, a cover 10 is attached to the rear of the fuse box 1 and the cover 10 is fixed to a vehicle body panel (not shown).

カバー１０は樹脂成形品からなり、ヒューズボックス１の背面に配線用隙間をあけて被せる後板部１１、該後板部１１の上端から前方へ突出させた上板部１２、後板部１１の右側端から前方へ突出させた側板部１３、後板部１１の下端から前方へ突出させた下板部１４を備え、後板部１１の左側延在部の先端に側板部を備えている。上板部１２にはヒューズボックス１のロック部５と係止する被ロック部１５を設けている。また、側板部１３および下板部１４の内面側にヒューズボックス１のロック部３およびロック部４と係止する被ロック部１６、１７を設けている。 The cover 10 is made of a resin molded product, and has a rear plate portion 11 that covers the back surface of the fuse box 1 with a wiring gap, an upper plate portion 12 that protrudes forward from the upper end of the rear plate portion 11, and a rear plate portion 11. A side plate portion 13 projecting forward from the right end portion, a lower plate portion 14 projecting forward from the lower end of the rear plate portion 11, and a side plate portion provided at the tip of the left extending portion of the rear plate portion 11. The upper plate portion 12 is provided with a locked portion 15 that locks with the lock portion 5 of the fuse box 1. Further, locked portions 16 and 17 for locking the lock portion 3 and the lock portion 4 of the fuse box 1 are provided on the inner surface side of the side plate portion 13 and the lower plate portion 14.

被ロック部１６、１７を係止するヒューズボックス１のロック部３、４は後方Ｒから前方Ｆへと矢印Ｙ１方向から挿入係止する形状であるため、矢印Ｙ１方向からロック部３、４に係止する被ロック部１６、１７は図１（Ｃ）に示すような通常の形状で、両側固定部１６ａ、１７ａの後端からＵ字状の係止片１６ｂ、１７ｂを前方へ延在させ、その前端に係止枠１６ｒ、１７ｒを備えている。ロック時には係止枠１６ｒ、１７ｒをたわませて係止爪３ｒ、４ｒを乗り越えさえ、係止爪の前端面を係止枠１６ｒ、１７ｒの内端面に係止する構造である。
なお、カバー１０の被ロック部１６、１７を設けた部位の側板部１３、下板部１４の外面側にそれぞれ車体パネルの係止部と係止するロック部１８、１９を設けている。 Since the lock portions 3 and 4 of the fuse box 1 for locking the locked portions 16 and 17 have a shape of being inserted and locked from the rear R to the front F from the arrow Y1 direction, the lock portions 3 and 4 are inserted from the arrow Y1 direction to the lock portions 3 and 4. The locked portions 16 and 17 to be locked have a normal shape as shown in FIG. 1C, and U-shaped locking pieces 16b and 17b are extended forward from the rear ends of the fixing portions 16a and 17a on both sides. , The locking frames 16r and 17r are provided at the front end thereof. At the time of locking, the locking frames 16r and 17r are bent to overcome the locking claws 3r and 4r, and the front end surface of the locking claw is locked to the inner end surface of the locking frames 16r and 17r.
The side plate portions 13 and the lower plate portion 14 of the cover 10 where the locked portions 16 and 17 are provided are provided with lock portions 18 and 19 for locking with the locking portion of the vehicle body panel, respectively.

ヒューズボックス１の上面のロック部５は逆方向Ｙ２から被ロック部を挿入係止する形状とされているため、カバー１０の上板部１２の被ロック部１５は被ロック部１６、１７と同一方向の被ロック部を形成してもロック部５と係止できない。そのため、被ロック部１５をロック部５に対してＹ１方向からの挿入しても係止できる形状としている。 Since the lock portion 5 on the upper surface of the fuse box 1 has a shape in which the locked portion is inserted and locked from the reverse direction Y2, the locked portion 15 of the upper plate portion 12 of the cover 10 is the same as the locked portions 16 and 17. Even if the locked portion in the direction is formed, it cannot be locked with the lock portion 5. Therefore, the locked portion 15 has a shape that can be locked even if it is inserted into the locked portion 5 from the Y1 direction.

カバー１０の被ロック部１５を係止するヒューズボックス１のロック部５は、図１（Ｂ）に示すように、Ｌ形状の左右のガイド枠５ａ、５ａの横枠部５ａ２、５ａ２が対向方向に突出し、後端側で横枠部５ａ２、５ａ２から縦枠部５ａ１、５ａ１にかけてＬ形状のストッパ板５ｂ、５ｂを設け、矢印Ｙ２方向から被係止部が挿入された時に該被係止部のガイド板の先端をストッパ板５ｂ、５ｂと当接させて停止するものとしている。 As shown in FIG. 1B, the lock portion 5 of the fuse box 1 that locks the locked portion 15 of the cover 10 has the horizontal frame portions 5a2 and 5a2 of the L-shaped left and right guide frames 5a and 5a facing each other. L-shaped stopper plates 5b and 5b are provided from the horizontal frame portions 5a2, 5a2 to the vertical frame portions 5a1, 5a1 on the rear end side, and when the locked portion is inserted from the direction of arrow Y2, the locked portion is provided. The tip of the guide plate is brought into contact with the stopper plates 5b and 5b to stop.

詳しくは、逆方向Ｙ１からロック部５に挿入する被ロック部１５では、カバー１０の上板部１２に前端から凹設した切込部２０の奥端縁２０ａから左右一対のガイド枠２１、２１を間隔をあけて設けている。該ガイド枠２１、２１は上方に向けて山形状に突出した摺動部２１ａ、２１ａの外面下部から横向き山形状に突出した係止片部２１ｂ、２１ｂを設けている。該係止片部２１ｂは前端から奥端に向けて外方へ広がる形状としている。また、切込部２０の左右両側縁を段状係止部２２、２２が突出した屈折側面２０ｂ、２０ｂとしている。該段状係止部２２、２２と前記係止片部２１ｂ、２１ｂの間には前記ロック部５のストッパ板５ｂ、５ｂが挿入係止する隙間２０ｃ、２０ｃを設けている。 Specifically, in the locked portion 15 inserted into the lock portion 5 from the reverse direction Y1, a pair of left and right guide frames 21 and 21 from the back end edge 20a of the notch portion 20 recessed from the front end in the upper plate portion 12 of the cover 10. Are provided at intervals. The guide frames 21 and 21 are provided with locking pieces 21b and 21b protruding laterally from the lower part of the outer surface of the sliding portions 21a and 21a protruding upward in a mountain shape. The locking piece portion 21b has a shape that extends outward from the front end to the back end. Further, the left and right side edges of the cut portion 20 are bent side surfaces 20b and 20b in which the stepped locking portions 22 and 22 protrude. Between the stepped locking portions 22 and 22 and the locking pieces 21b and 21b, gaps 20c and 20c are provided for inserting and locking the stopper plates 5b and 5b of the locking portion 5.

被ロック部１５を前記形状として、ヒューズボックス１のロック部５に相手方となるカバー１０の被ロック部１５を矢印Ｙ１方向に前進させて係止する際、ヒューズボックス１のガイド枠５ａの横枠部５ａ２の先端にカバー１０の被ロック部１５の摺動部２１ａが摺接し、係止片部２１ｂの前端がストッパ板５ｂの下部からＬ形状のガイド枠５ａ内に挿入していく設定としている。かつ、図３（Ｂ）に示すように、被ロック部１５が前進すると、ロック部５の後端のストッパ板５ｂの前後両面がカバー１０の段状係止部２２、２２の前端と係止片部２１ｂ、２１ｂの後端に当接し、隙間２０ｃ、２０ｃに嵌まり込んだ状態で係止される設定としている。 With the locked portion 15 as the above-mentioned shape, when the locked portion 15 of the cover 10 which is the other party is advanced to the lock portion 5 of the fuse box 1 in the direction of the arrow Y1 to be locked, the horizontal frame of the guide frame 5a of the fuse box 1 The sliding portion 21a of the locked portion 15 of the cover 10 is in sliding contact with the tip of the portion 5a2, and the front end of the locking piece portion 21b is set to be inserted into the L-shaped guide frame 5a from the lower part of the stopper plate 5b. .. Further, as shown in FIG. 3B, when the locked portion 15 advances, both the front and rear surfaces of the stopper plate 5b at the rear end of the lock portion 5 are locked with the front ends of the stepped locking portions 22 and 22 of the cover 10. It is set to be locked in a state where it abuts on the rear ends of the single portions 21b and 21b and is fitted in the gaps 20c and 20c.

被ロック部１５とロック部５とのロックを解除するには、図４に示すように、カバー１０のガイド枠２１、２１の摺動部２１ａ、２１ａの上方突出部分を作業員が指で摘まんで互いに近接する方向に狭めることで、ロック部５のストッパ板５ｂに対する係止片部２１ｂの係止が解け、ヒューズボックス１を前方またはカバー１０を後方へ移動させて固定解除できる。 To release the lock between the locked portion 15 and the locked portion 5, as shown in FIG. 4, the worker picks the upward protruding portions of the sliding portions 21a and 21a of the guide frames 21 and 21 of the cover 10 with his fingers. By narrowing the fuse box 5 in a direction close to each other, the locking piece 21b can be released from the stopper plate 5b of the locking portion 5, and the fuse box 1 can be released by moving the fuse box 1 forward or the cover 10 backward.

前記のように、既存のヒューズボックスに対して、カバー１０の被ロック部１５を逆方向からロック部５に係止できる形状としている。よって、既存のヒューズボックス１にカバー１０を固定する際、該カバー１０は後方Ｒから前方Ｆに矢印Ｙ１方向で取り付けることができる。
即ち、ヒューズボックス１のロック部５は逆方向Ｙ２から被ロック部が係止される設定とされているが、カバー１０の被ロック部１５は後方Ｒから前方Ｆに矢印Ｙ１方向で移動すると、被ロック部１５はロック部５の左右のガイド枠５ａ、５ａの後端のストッパ板５ｂ、５ｂを被ロック部１５の隙間２０ｃ、２０ｃに嵌め込んで段状係止部２２、２２の前端と係止片部２１ｂ、２１ｂの後端に当接係止させてロックする。同時に、Ｙ１方向からカバー１０の被ロック部１６、１７がヒューズボックス１のロック部３、４にスムーズに係止することができる。これにより、ヒューズボックス１の上下および右の３面にカバー１０がロック結合し、安定保持できる。 As described above, the locked portion 15 of the cover 10 can be locked to the lock portion 5 from the opposite direction with respect to the existing fuse box. Therefore, when the cover 10 is fixed to the existing fuse box 1, the cover 10 can be attached from the rear R to the front F in the direction of the arrow Y1.
That is, the locked portion 5 of the fuse box 1 is set to be locked from the reverse direction Y2, but when the locked portion 15 of the cover 10 moves from the rear R to the front F in the arrow Y1 direction, The locked portion 15 is formed by fitting the stopper plates 5b and 5b at the rear ends of the left and right guide frames 5a and 5a of the locked portion 5 into the gaps 20c and 20c of the locked portion 15 to form the front ends of the stepped locking portions 22 and 22. Locking pieces 21b, 21b are abutted and locked to the rear ends to lock. At the same time, the locked portions 16 and 17 of the cover 10 can be smoothly locked to the locked portions 3 and 4 of the fuse box 1 from the Y1 direction. As a result, the cover 10 is locked to the upper, lower, and right three surfaces of the fuse box 1 and can be stably held.

かつ、カバー１０に逆方向から取り付けができる被ロック部１５を設けているため、既存のヒューズボックス１を用いても、ワイヤハーネス５０の取出口となる左側のロック部２以外の上下および右側のロック部３、４、５を利用してカバー１０を取り付けることができる。よって、ヒューズボックス１を新設する必要がなく、大幅のコストダウンを図ることができる。かつ、上下両側および一側の右側で３点支持してカバー１０をヒューズボックス１に安定して固定できるため、カバー１０の変形、ガタツキがなく、ワイヤハーネス５０の噛み込み発生を防止できる。
さらに、前記のように、作業員が指で簡単に解除できるロック構造であるため、ヒューズボックスのロック部およびカバーの被ロック部を破損させることなく固定解除でき、取り外し後も再利用できる。 Moreover, since the cover 10 is provided with the locked portion 15 that can be attached from the opposite direction, even if the existing fuse box 1 is used, the upper and lower sides and the right side other than the left lock portion 2 that is the outlet of the wire harness 50 are provided. The cover 10 can be attached by using the lock portions 3, 4, and 5. Therefore, it is not necessary to newly install the fuse box 1, and the cost can be significantly reduced. Moreover, since the cover 10 can be stably fixed to the fuse box 1 by supporting three points on both the upper and lower sides and the right side on one side, the cover 10 is not deformed or rattled, and the wire harness 50 can be prevented from being caught.
Further, as described above, since the lock structure can be easily released by the operator with a finger, the lock portion of the fuse box and the locked portion of the cover can be unlocked without being damaged, and can be reused even after removal.

本発明は前記実施形態に限定されず、電気接続箱に設けられている既存のロック部を利用して他部材をロック固定する場合に利用できる。其の際、ロック部の係止爪を挟む両側のガイド枠の一端のストッパ板を係止する部位を被ロック部に設けることにより、ロック部に対して正規のロック方向と、該ロック方向と反対方向の逆方向から相手側部材に設けた被ロック部を係止できる構造とすればよい。 The present invention is not limited to the above embodiment, and can be used when the other member is locked and fixed by using the existing lock portion provided in the electrical connection box. At that time, by providing a portion to lock the stopper plate at one end of the guide frame on both sides of the locking claw of the lock portion in the locked portion, the regular locking direction with respect to the locking portion and the locking direction can be set. The structure may be such that the locked portion provided on the mating member can be locked from the opposite direction.

１ ヒューズボックス
２、３、４、５ ロック部
５ａ ガイド枠
５ｂ ストッパ板
５ｒ 係止爪
６ ハウジング
１０ カバー
１１ 後板部
１２ 上板部
１３ 側板部
１４ 下板部
１５、１６、１７ 被ロック部
２０ 切込部２０
２０ｃ 隙間
２１ ガイド枠
２１ａ 摺動部
２１ｂ 係止片部
２２ 段状係止部 1 Fuse box 2, 3, 4, 5 Lock part 5a Guide frame 5b Stopper plate 5r Locking claw 6 Housing 10 Cover 11 Rear plate part 12 Upper plate part 13 Side plate part 14 Lower plate part 15, 16, 17 Locked part 20 Notch 20
20c Gap 21 Guide frame 21a Sliding part 21b Locking piece part 22 Stepped locking part

Claims (3)

電気接続箱と相手方の被固定材とのロック構造であって、前記電気接続箱のハウジング外面に一対のガイド枠を備えたロック部が設けられ、該ロック部には前記被固定材の被ロック部の挿入方向に対応したストッパ板が前記ガイド枠の先端に設けられており、
前記被固定材には前記ロック部が係止される前記被ロック部が設けられ、該被ロック部は前記ロック部の前記ストッパ板を嵌め込んで係止する隙間を備えていることを特徴とする電気接続箱のロック構造。 A locking structure of the electric connection box and the other party of the fixed member, wherein are locking portion having a pair of guide frame on the housing outer surface of the electrical connection box is provided, the locking of the fixation member is in the locking portion A stopper plate corresponding to the insertion direction of the portion is provided at the tip of the guide frame.
Wherein the fixation member the locking portion is the locked portion is provided that will be locking,該被locking portion and characterized in that it comprises a clearance for locking by fitting the stopper plate of the locking portion Lock structure of the electrical junction box. 前記被固定材の被ロック部は、切込部の奥端縁から一対のガイド枠を切込部に向けて突設し、該ガイド枠は上方に突出した摺動部の外面下部から横向き山形状に係止片部が突設し、該係止片部は突出した前端から奥端に向けて外方へ広がる形状とする一方、前記切込部の左右両側を段状係止部が突出した屈折側面とし、該段状係止部と前記係止片部の間には前記ロック部のストッパ板が挿入係止する前記隙間を設けた構成としている請求項１に記載の電気接続箱のロック構造。 The portion to be locked before Symbol the fixed member, sideways pair of guide frame from the back edge of the cut portion to protrude toward the cut portion, the guide frame from the outer surface lower portion of the sliding portion protruding upward A locking piece is projected in a mountain shape, and the locking piece has a shape that extends outward from the protruding front end to the back end, while stepped locking portions are provided on both the left and right sides of the cut portion. The electrical connection box according to claim 1, wherein a protruding bending side surface is provided, and a gap is provided between the stepped locking portion and the locking piece portion so that a stopper plate of the locking portion can be inserted and locked. Lock structure. 前記電気接続箱はヒューズボックスからなり、ハウジングの４辺の外面のうちの１辺には前記ロック部としての第１ロック部を備えていると共に他の３辺の外面には前記一対のガイド枠で挟まれた係止爪を備える第２ロック部を備えている一方、
前記被固定材は前記ヒューズボックスの背面に取り付けるカバーからなり、前記第１ロック部に係止する前記被ロック部以外の被ロック部は前記係止爪に係止する係止枠を備えた既存の形状とし、
前記ヒューズボックスに前記カバーを３辺でロック固定している請求項１または請求項２に記載の電気接続箱のロック構造。 The electrical connection box made from the fuse box, the pair of guide frames to the other three sides of the outer surface with the one side has a first locking portion as the locking portion of the outer surface of the four sides of the housing While it has a second lock with a locking claw sandwiched between
Wherein the fixed member comprises a cover attached to the back of the fuse box, the locked portion other than the locked portion for engaging the first locking part comprising a locking frame for locking before Symbol locking pawl Use the existing shape
The lock structure for an electrical junction box according to claim 1 or 2, wherein the cover is locked and fixed to the fuse box on three sides.
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