| 摘要 |
A baffle structure for a channel belonging to fluid mechanics technology field. The baffle structure comprises a pipe (1), a swing check plate and an actuating device(8), wherein the main body of the swing check plate (8) is positioned inside the pipe (1), and the actuating device(8) is arranged outside the pipe (1); in addition, a special connecting structure is included for connecting the swing check plate and the actuating device (8), and the connecting structure is?in particular to：a key (14) is arranged on a rotary shaft (4), and a ring-shaped keyway (15) is correspondingly arranged in a shaft sleeve (13), so that the shaft sleeve (13) has an idle stroke for carrying out 90-degree free rotation around the rotary shaft (4); according to the different positions of the key (14) in the ring-shaped keyway (15), the channel not only has the passive characteristic of realizing opening and closing by gravity and fluid pressure, but also has the active characteristic for realizing opening and closing and can maintain small opening by the actuating device (8), so that the requirement for multiple working conditions of the channel can be met. |
