Pneumatic actuator with top mounted handwheel Manufacturer introduces a pneumatic actuator
The utility model relates to a pneumatic actuator, which comprises a cylinder block, an end cover fixed on both sides of the cylinder block, a left piston, a right piston, a rotary shaft and an actuator. The rotary shaft can rotate in the cylinder block, and the left piston and the right piston are respectively connected to the cylinder block by sliding. The utility model is characterized in that: the actuator includes a shift fork, a left positioning column and a right positioning column, and also includes a limit mechanism, and the limit mechanism includes a positioning block and a positioning bulge, The positioning block is arranged on the outer wall of the rotary shaft, the positioning bulge is arranged on the side of the cylinder block, and the positioning bulge is located on the movement path of the positioning block; The utility model is characterized in that: the shift fork structure replaces the structure of the gear rack in the prior art, which ensures the driving stability, is not easy to be damaged in the operation process, has a long service life, increases the limit mechanism, effectively ensures the movement stroke of the left piston and the right piston, and avoids the collision between the left piston and the right piston
1. The pneumatic actuator housing, including the housing body (1), is provided with a pull rod connection hole (11) at the left end of the housing body (1), which is characterized by: a handwheel mechanism installation groove (12) is arranged in the middle of the bottom of the housing body (1), a left worm mounting seat (2) is arranged at the left end of the handwheel mechanism installation groove (12), and a right worm mounting seat (3) a vertical left adjustment groove (121) is arranged on the left end of the handwheel mechanism installation groove (12). A vertical slide rail (4) is fixed at the left end of the left adjusting slot (121). The right end of the installation groove (12) of the handwheel mechanism is provided with a vertical right adjustment groove (122), the second vertical slide rail (5) is fixed on the right end of the right adjustment groove (122), and at least one clamping hole (6) is arranged on one vertical slide rail (4) and the second vertical slide rail (5). An adjusting rod (7) is arranged in a vertical slide rail (4), an adjusting rod (7) is uniformly arranged with several elastic buttons (8) matching the clamping hole (6) from bottom to top, an adjusting rod (7) is fixedly connected with the left worm mounting base (2), and an adjusting rod (7) is connected with the left worm mounting base (2) up and down. The second adjusting rod (9) is arranged on the second vertical slide rail (5). The second adjusting rod (9) is evenly arranged with several second elastic buttons (10) matching the clamping hole (6) from bottom to top. The second adjusting rod (9) is fixedly connected with the right worm mounting base (3), and the second adjusting rod (9) is connected with the right worm mounting base (3) up and down.
