Actuator for opening/closing valve

Abstract

The present invention relates to a valve opening/closing actuator in which components constituting an actuator are improved to be easily disassembled and assembled to reduce a maintenance cost, and a time according to the assembly of the actuator may be shortened through the improved components, and the valve opening/closing actuator is suitable for mass production to achieve increased competitiveness with other companies. An actuator 100 according to the present disclosure, which is installed inside an upper casing 110 and a lower casing 120, and includes a driving motor M on which a first worm MG is coupled on an axis, and which drives the first worm, a worm shaft 130 in which a second worm 131 is provided at one side, and a first worm wheel 134 which is installed in link with the first worm is provided at the other side, a switching lever 130 for manual switching to one side end of the worm shaft 130, a manual handle 140 for manual actuation, a valve opening/closing means 160 having a second worm wheel 162 which interlocks with the second worm 131 of the worm shaft, and installed in link with a valve at a lower end and opening/closing the valve, and a torque cam 170 installed close to an upper end of the worm shaft 130 and confirming and guiding whether the valve is opened/closed by the actuation of the worm shaft.

Dependencies are inferred from the claim text.