| 摘要 |
<p>A swing arm type controllable one-way valve includes a valve core, a valve body and one controlling device. The valve core comprises a valve disk and a swing arm. Wherein the disk consists of a valve board, a board shaft, a slot for the board shaft and roll-way assembly, the arm consists of an inner pipe, an outer pipe a roller shaft, a roller, a limiting bolt, a spring and a rotating axle. Said valve body includes a fore-chamber, a port and a passage connecting with the port. The rotating axle and the board shaft are mounted separately in the holes on the sidewall of said passage to position the valve core. The controlling device coupling with the valve can control the movement of said valve core in the body.</p> |
