Mixed type seal for disc pump

The utility model discloses a mixed seal for a disc pump, which comprises a shaft sleeve, and a lip seal assembly, a medium side moving ring, a medium side static ring, an atmosphere side static ring and an atmosphere side moving ring which are sequentially arranged from the medium side along the ax...

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Bibliographic Details
Main Authors YU HONG, ZHUANG XIAODONG, XIA CHAOQUN, LIU QI, QU YANLONG, GONG JIE, ZHANG PENGPENG
Format Patent
LanguageChinese
English
Published 14.03.2023
Subjects
BLASTING
CYLINDERS
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
PISTONS
SEALINGS
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:The utility model discloses a mixed seal for a disc pump, which comprises a shaft sleeve, and a lip seal assembly, a medium side moving ring, a medium side static ring, an atmosphere side static ring and an atmosphere side moving ring which are sequentially arranged from the medium side along the axis of the shaft sleeve, the shaft sleeve and the lip seal assembly form a first seal, and the medium side moving ring and the medium side static ring form a second seal. The atmosphere side moving ring and the atmosphere side static ring form a third seal; the first seal and the second seal are both non-contact seals, and the third seal is a liquid film seal; a cavity A is formed between the first seal and the second seal, a cavity B is formed between the second seal and the third seal, and the cavity B is filled with sealing liquid. A medium is isolated through the cavity A, the medium is prevented from making contact with the sealing end face, meanwhile, heat generated in the working process is taken away through
Bibliography:Application Number: CN202222592703U