| 摘要 |
<p>A cambered eccentric block overrunning clutch, with two eccentric arc stop blocks (4) being disposed between an external revolving member (1) and an internal revolving member (9); a switching block (2) corresponding to each eccentric arc stop block (4) is disposed to push the eccentric arc stop block to generate angular displacement along an internal cavity surface (1b); correspondingly, a switching block preloading resilient member (16) is disposed on the bottom of a groove (9e) on the drive wheel (9b) of the internal revolving member (9); the switching block (2) is placed over the switching block preloading resilient member (16); an eccentric arc stop block preloading resilient member (18) is mounted between the large end (4d) of a wedge (4g) and the internal revolving member (9). The present invention has technical results of better utilizing the friction surface, increasing frictional force, realizing a synchronous movement process of the eccentric arc stop blocks, reducing switching time and wear, and producing greater thrust on the eccentric arc stop blocks, thus achieving a smooth and quick wedging process.</p> |
