| 摘要 |
PURPOSE: An injection insulator plug is provided to prevent a fail of an engine by installing a reinforced pin connection structure in the injection insulator plug. CONSTITUTION: An injection insulator plug(1) includes a body(3). The body(3) is inserted into a mounting hole, into which an injector clamp is inserted in order to fix an injector of a cylinder head, by interposing a gasket ring(2) between the body(3) and the mounting hole. A center hole(4) is formed at the center of the body(3). A stopper(6) is inserted into the center hole(4) by interposing an O-ring(5) between the stopper(6) and the center hole(4). The stopper(6) is protruded from both sides of the body(3). A disc-shaped flange(7) is integrally formed with one side of the stopper(6) and a spring retainer(8) is formed at the other side of the stopper(6). A compression spring(13) is accommodated between the body(3) and the spring retainer(8) so as to elastically support the stopper(6) in such a manner that the disc-shaped flange(7) is closely attached to a surface(3a) of the body(3).
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