Manually -operated valve switch location structure

Manually -operated valve switch location structure, including establishing the valve body on the pipeline, valve body internal rotation and the sealed valve rod that is equipped with, the valve rod upper end is connected with the handle, there is the bolt that is used for fastening the handle valve rod upper end with axial threaded connection, valve body top level is equipped with the locating plate, penetrating slot hole about being equipped with on the locating plate, the head of bolt be located the slot hole and with slot hole sliding fit, the length direction of slot hole is unanimous with the length direction of handle, the slot hole front end link up with the locating plate leading edge, the locating plate left and right sides is equipped with the limiting plate that is located the valve body left and right sides respectively, the limiting plate lower part is ahead to contact complex circular arc limit structure along being equipped with with the pipeline periphery, wear to be equipped with the uide bushing with handle sliding fit on the handle, the connecting plate and locating plate fixed connection of uide bushing front side upper portion through bending, the utility model discloses the in -process is opened or closed to simple structure, easily operation at manually -operated valve, avoid external force to close the valve or open, have just so ensured going on in succession of production operation.