STRUCTURE FOR FUEL FILLING SECTION OF FUEL TANK

摘要

Obtained is a structure that is for the fuel filling section of a fuel tank, is such that there is no abrupt rotation to the occluded position of a fuel filling opening during an opening/closing valve closing operation, and is such that during an opening operation, opening is possible with a low force. The structure (12) for a fuel filling section is provided with a damper (32) at the front side in the direction of insertion of a fuel filling nozzle (28) with respect to a flapper valve (20). The damper (32) does not act upon the flapper valve (20) during rotation to an open position of the flapper valve (20), and acts on the flapper valve (20) during rotation to a closed position.