FIELD: mechanical engineering; pumps.
SUBSTANCE: invention relates to pumps designed for delivering liquid soap, detergents, etc. Proposed pump is connected with neck of container and it has cylindrical hollow housing forming suction and compression chamber connected with surrounding medium by channel for delivery of liquid, piston set into operation manually and connected with hollow housing for sliding, elastic member interconnected with pressure head connected to piston. First valve device provides communication of suction and compression chamber with suction pipe, second valve device provides communication of suction and compression chamber with channel for delivery of liquid during delivery phase. Channel for delivery of liquid includes first fixed part made in stopping device and second turnable part consisting of tube with mainly spherical housing on end pointed to first fixed part. Outer surface of spherical housing is designed for closing first fixed part when second part is square to first part.
EFFECT: provision of easy closing and opening of delivery branch pipe without loss of liquid.
14 cl, 8 dwg
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