| 摘要 |
<p>A fuel injector fixing device for fixing a fuel injector (13) to a cylinder head (11) of a direct injection engine is provided. The fuel injector fixing device includes a spacer (17) arranged so as to project from a top face of the cylinder head (11) upwardly, a stud bolt (15) screwed into the cylinder head (11) and an injector push arm (14) arranged above the cylinder head (11) for fixing the fuel injector (13) to the cylinder head (11). In arrangement, the injector push arm (14) includes a pusher part (14A) abutting on the fuel injector (13), a support part (14B) abutting on a top of the spacer (17), and an attachment part (14C) with a through hole (14a) into which the stud bolt (15) is inserted and screwed into the cyclinder head (11). In operation, a contact of the support part (14B) of the injector push arm (14) with the spacer (17) constitutes a fulcrum X of the injector push arm (14). With the arrangement, it is possible to decrease a distance between the attachment part (14C) and the support part (14B), whereby the whole length of the injector push arm (14) can be shortened. Thus, the rigidity of the injector push arm can be enhanced. Further, owing to the heightened position of the fulcrum X, it is possible to reduce a possibility of the injector push arm's tumbling down to the side of the support part (14B) in fastening the stud bolt (15).</p> |
