| 摘要 |
<p>A manual/automatic operation interchangeable connecting seat of ball valve is disclosed The connecting seat (10) is formed with a central shaft hole (20) through which a controlling lever (200) of a ball valve body (100) extends. Two ear sections (30) are formed on two sides of the connecting seat (10). Each of the ear sections (30) has a central through hole (40) corresponding to a connecting hole (310) of a top flange (300) of the ball valve body (100). A thread rod (400) goes through the through hole (40) of the ear section (30) and the connecting hole (310) of the top flange (300) to secure the connecting seat (10) on the ball valve body (100) and seal the same. Each ear section (30) has two wing portions (50) on two sides thereof and each wing portion (50) has an opening (51) for engaging a driver (500) with the connecting seat (10) in automatic operation mode of the ball valve, whereby the controlling lever (200) can be associated with a grip (600) in manual operation mode of the ball valve or alternatively associated with a driver (500) to change the manual operation mode into automatic operation mode of the ball valve. <IMAGE></p> |
