MANUAL DRIVE OF PIPELINE ACCESSORIES WITH INDICATOR OF SHUT OFF ELEMENT POSITION Russian patent published in 2009 - IPC F16K37/00 F16K31/53 

FIELD: machine building.

SUBSTANCE: invention refers to machine building and is designed for implementation as drive in pipeline shut-off-adjusting accessories. The manual drive of pipeline accessories with indicator of position of the shut-off element consists of a case. A tooth gear is installed in the case. A flywheel is arranged on a drive pinion of the tooth gear. A driven gear of the tooth gear is coaxially secured on a hollow output shaft. One end of the output shaft contains a cam clutch. An opposite end of the shaft interacts with a recess of a cover. A cartridge wherein a telescopic part of a spindle is arranged and an additional cartridge with a recess for placement of a run indicator are assembled on the cover. The run indicator travels along graduated surface of the recess. Also the run indicator is connected with a nut. The latter interacts with a screw. The screw is coaxially fixed in the cartridge and is designed to rotate. A replaceable tooth wheel is installed on the lower end of the screw. The tooth wheel meshes a pinwheel. The pinwheel is coaxially mounted on the output shaft.

EFFECT: expanded implementation of manual drive for various dimension types of pipeline accessories.

3 cl, 5 dwg