FIELD: mechanics.
SUBSTANCE: proposed mechanism comprises housing, motor, spindle, motor base, cam-type torque conversion mechanism including cam and pushrod interacting with valve stem arranged to move axially, and electric switch. Note that the proposed mechanism additionally incorporates and outer cam wheel. Note also that the fixed cam comprises base plate attached to the motor base and accommodates, at least, one lifting/downing profile. The said pushrod is fitted at greater distance from the motor than aforesaid fixed cam and represents a rotary disk with appropriate actuating and guiding appliances. The said outer can wheel is coupled with the spindle to transmit torque to the pushrod and to interact with electric switch.
EFFECT: simple design, ease of manufacture.
8 cl, 6 dwg
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