Scale scraping plunger piston of deep well pump

The utility model discloses a scale scraping plunger piston of a deep well pump. The scale scraping plunger piston of the deep well pump consists of a common plunger piston of the deep well pump and a scale scraping ring; one or a plurality of scale scraping rings are sleeved between a lower traveli...

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Bibliographic Details
Main Authors DENG BAONING, MA BO, SHU HUAWEN, GUAN PENG, ZHANG QINGSONG, LIU QINGMIN
Format Patent
LanguageChinese
English
Published 30.01.2013
Subjects
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
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Summary:The utility model discloses a scale scraping plunger piston of a deep well pump. The scale scraping plunger piston of the deep well pump consists of a common plunger piston of the deep well pump and a scale scraping ring; one or a plurality of scale scraping rings are sleeved between a lower traveling valve bonnet of the common plunger piston of the deep well pump and a lower joint; each scale scraping ring is C-shaped; the free outside diameter of each scale scraping ring is more than the inside diameter of a pump barrel; and each scale scraping ring is in interference fit with an inner wall of the pump barrel. Scale adhered on the pump barrel can be scraped, so that the occurrence of pump sticking is avoided.
Bibliography:Application Number: CN20122382120U