When an electric connection box (P) is received inside a cover (50A), a part reception section (34) is exposed to the outside, in an opening (51H) in the upper surface of the cover (50A). As a consequence, there is fear that water on the upper surface of the cover (50A) enters onto the upper surface
When an electric connection box (P) is received inside a cover (50A), a part reception section (34) is exposed to the outside, in an opening (51H) in the upper surface of the cover (50A). As a consequence, there is fear that water on the upper surface of the cover (50A) enters onto the upper surface of a case (20) from a gap between the opening (51H) and the part reception section (34). Water discharge grooves (35, 36) reaching a water discharge path (38) in an outer surface of the case (20) is formed in the upper surface of the case (20), and as a result, water collecting on the upper surface of the case (20)(body section (30)) flows into the water discharge grooves (35, 36) to be reliably discharged.
대표청구항▼
The invention claimed is: 1. An electric power distribution system comprising a plurality of drainage grooves, comprising: an electrical connection box, on a top face of which a parts accommodation portion is provided, that enables attaching and detaching of parts; and a cover that covers at least
The invention claimed is: 1. An electric power distribution system comprising a plurality of drainage grooves, comprising: an electrical connection box, on a top face of which a parts accommodation portion is provided, that enables attaching and detaching of parts; and a cover that covers at least a portion of the electrical connection box that excludes said parts accommodation portion on the top face of the electrical connection box; wherein a plurality of drainage grooves are provided in the top face of said electrical connection box to reach an outside face of said electrical connection box, said drainage grooves are disposed with an interval between them in a length direction of the top face of said electrical connection box, and said drainage grooves are provided as a pair that is formed so as to extend in mutually opposing directions and reach the outside face of said electrical connection box, and an inclined face that establishes a downward slope toward the outside face of said electrical connection box is formed on a bottom face of said drainage grooves. 2. The electric power distribution system according to claim 1, wherein a communication groove that communicates with said pair of drainage grooves is provided in the top face of said electrical connection box. 3. The electric power distribution system according to claim 2, wherein said communication groove is provided in plurality with an interval between them in a direction orthogonal to the direction of separation of said pair of drainage grooves. 4. An electric power distribution system, comprising: an electrical connection box, on a top face of which a parts accommodation portion is provided, that enables attaching and detaching of parts; and a cover that covers at least a portion of the electrical connection box that excludes said parts accommodation portion on the top face of the electrical connection box; wherein a drainage groove is provided in the top face of said electrical connection box to reach an outside face of said electrical connection box, the outside face of said electrical connection box and an inside face of said drainage groove are formed flush and connected vertically and a guiding portion, which extends downward from an opening edge of an opening portion that exposes said parts accommodation portion towards an inside of said drainage groove, is formed on said cover. 5. The electric power distribution system according to claim 4, wherein: said parts accommodation portion is formed so as to project upward from the top face of said electrical connection box; and a water barrier wall, which rises from the opening edge of the opening portion that exposes said parts accommodation portion, is formed on said cover. 6. An electric power distribution system, comprising: an electrical connection box, on a top face of which a parts accommodation portion is provided, that enables attaching and detaching of parts; and a cover that covers at least a portion of the electrical connection box that excludes said parts accommodation portion on the top face of the electrical connection box, wherein a drainage groove is provided in the top face of said electrical connection box to reach an outside face of said electrical connection box, the outside face of said electrical connection box and an inside face of said drainage groove are formed flush and connected vertically, said parts accommodation portion is formed so as to project upward from the top face of said electrical connection box, and a water barrier wall, which rises from an opening edge of an opening portion that exposes said parts accommodation portion, is formed on said cover.
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이 특허에 인용된 특허 (11)
Saka,Yukinori; Nakagawa,Tooru; Oka,Yoshito, Automotive electrical connection box and a method of mounting it.
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Richard Baur DE; Guenter Fendt DE; Alfons Woehrl DE; Engelbert Woerle DE, Plastic housing with condensation protection for electric and electronic assemblies.
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