Electrical connection box and wire harness
View Patent ↗An electrical connection box applied to a wire harness includes a housing body and a covering member. The covering member includes a lid portion capable of closing an opening of the housing body, a holding portion formed to protrude from the lid portion, and fits to the opening and holds an exterior material between the holding portion and the housing body, a supporting portion serving as a rotation fulcrum of the lid portion with respect to the housing portion, an extension portion connects the lid portion and the supporting portion such that the holding portion is at a position apart from the supporting portion, and a plurality of engagement portions engaged with the housing body on both sides of the holding portion in a direction in which the extension portion connects the lid portion and the supporting portion.
1. An electrical connection box, comprising:
a housing body including:
a wall forming a housing space housing therein an electronic component; and
an opening formed on the wall and communicating inside and outside the housing space; and
a covering member including:
a lid portion capable of closing the opening;
a holding portion that is formed to protrude from the lid portion, and, in a closed state where the lid portion closes the opening, fits to the opening and holds, between the holding portion and the housing body, an exterior material of a routing material electrically connected to the electronic component;
a supporting portion serving as a rotation fulcrum of the lid portion with respect to the housing body;
an extension portion that is interposed between the lid portion and the supporting portion and connects the lid portion and the supporting portion such that the holding portion is at a position apart from the supporting portion; and
a plurality of engagement portions engaged with the housing body on both sides of the holding portion in a connection direction in which the extension portion connects the lid portion and the supporting portion.
2. The electrical connection box according to claim 1 , wherein
the engagement portions include an inside engagement portion positioned on the supporting portion side of the holding portion in the connection direction,
the inside engagement portion has an engagement claw portion that is formed to protrude in a protrusion direction of the holding portion, and is engaged with the wall, and
the engagement claw portion has a first tapered surface that is provided at an end portion thereof on the supporting portion side in the connection direction and is slanted in the connection direction, and a second tapered surface that is provided at an end portion thereof on a front end side in the protrusion direction and is slanted in the protrusion direction.
3. The electrical connection box according to claim 2 , wherein
the extension portion faces the wall in the closed state where the lid portion closes the opening, and
the inside engagement portion is provided to the extension portion.
4. A wire harness, comprising:
a conductive routing material;
an exterior material externally covering the routing material; and
an electrical connection box electrically connected to the routing material, wherein
the electrical connection box includes:
a housing body including:
a wall forming a housing space housing therein an electronic component electrically connected to the routing material; and
an opening formed on the wall and communicating inside and outside the housing space; and
a covering member including:
a lid portion capable of closing the opening;
a holding portion that is formed to protrude from the lid portion, and, in a closed state where the lid portion closes the opening, fits to the opening and holds the exterior material between the holding portion and the housing body;
a supporting portion serving as a rotation fulcrum of the lid portion with respect to the housing body;
an extension portion that is interposed between the lid portion and the supporting portion and connects the lid portion and the supporting portion such that the holding portion is at a position apart from the supporting portion; and
a plurality of engagement portions engaged with the housing body on both sides of the holding portion in a connection direction in which the extension portion connects the lid portion and the supporting portion.