ELECTRIC CONNECTION BOX

PROBLEM TO BE SOLVED: To provide an electric connection box having a novel structure that can surely prevent erroneous fitting between a box main body and a cover member at a non-normal position.SOLUTION: An electrical connection box has a first lock portion 50 provided to one of a peripheral wall portion 48 of a cover member 14 and a peripheral wall portion 20 of a box main body 12, and a first lock target portion 24 which is provided to the other peripheral wall portion and to which the first lock portion 50 is fitted. A pair of guide portions 62, 62 are disposed at both the right and left sides of the first lock portion 50. The first lock target portion 24 contains the frame body portion 36 in which the guide portion 62 and the first lock portion 50 are inserted, a pair of stopper portions 42, 42 protruding outwards in the right and left direction are provided at the lower end sides of the side walls 38 at both the right and left sides constituting the frame body portion 36 of the first lock target portion 24. When one of the guide portions 62 is inserted at the outside of one of the side walls 38 of the frame body portion 36, the guide portion 62 abuts against the stopper portion 42 before the first lock portion 50 and the first lock target portion 24 are locked to each other.SELECTED DRAWING: Figure 2 【課題】箱本体とカバー部材の非正規位置での誤嵌合を確実に防止することができる、新規な構造の電気接続箱を提供すること。【解決手段】カバー部材１４の周壁部４８と箱本体１２の周壁部２０の一方に設けられた第１のロック部５０と他方に設けられて第１のロック部５０が係合される第１の被ロック部２４を備え、第１のロック部５０の左右両側には一対のガイド部６２，６２が配設されている一方、第１の被ロック部２４がガイド部６２と第１のロック部５０が挿入される枠体部３６を含んでおり、第１の被ロック部２４の枠体部３６を構成する左右両側の側壁３８の下端側には、左右方向外方に張り出す一対のストッパ部４２，４２が突設されており、ガイド部６２の一方が枠体部３６の側壁３８の一方の外側に位置して挿入された際に、第１のロック部５０と第１の被ロック部２４の係合よりも前に、ガイド部６２がストッパ部４２に当接するようにした。【選択図】図２