| 摘要 |
<p>PURPOSE:To make a complete drainage of infiltrate water attainable, by installing a drain passage, having a backflow preventing part, in a skirt part extendedly installed in a plug body, in case of a drain plug being fitted into a drain hole to drain rainwater or the like penetrated inside a body panel of an automobile. CONSTITUTION:A draing plug 10 being fitted in a drain hole 6 made up in a body panel 4 at the inside forming a baglike part 5 of a car body 1 is provided with a drain plug body 11 composed of rubber, synthetic resin or the like in material. From this body 11, a skirt part 12 is extendedly installed therein, while a drain passage 13, whose one end 13a if opened to the inside of the drain hole 6 and the other end 13b opened to the outside of the car body 1, is formed in a contact surface 12a with a panel 4 of the skirt part 12. Likewise, inside the drain passage 13, a backflow preventing part 10 in order to prevent muddy water or the like directing from the other end 13b to the one end 13a from penetrating is formed. This plug 10 is installed right after a circular rib 11b being formed in the contact surface at the panel side of the body 11 is fitted in the drain hole 6.</p> |
