To provide a drainage structure for an electrical connection box that improves water-stopping property without deteriorating drainage property and that is compact.
A spiral hole portion 3 for draining water is provided on the wall 2 of the electrical connection box main unit 1. The spiral hole portion 3 is structured with a spiral plate portion 10 formed around a shaft portion 9 and each plate portion 7, 8 provided at both ends of the shaft portion and that has openings 5, 6. The water draining member 4 comprising the shaft portion 9, the spiral plate portions 10, and each plate portion 7, 8 is mounted in a passing hole 12 of the wall 2. Each plate portion 7, 8 is formed in diameter larger than the passing hole 12 so as to function as a coming-off stop portion.
COPYRIGHT: (C)2008,JPO&INPIT
SAKAI TAKASHI
KURITA HIROTAKA
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Hiroshi Ochi
Sadao Matsumura
Isamu Kakiuchi