Clamp spring

A clamp spring comprises a conical clamp spring body. The clamp spring body is of a non-closed conical structure. A plurality of axial water through grooves are formed in the inner wall of the clamp spring body, annular tooth parts are arranged at the positions, between every two adjacent water thro...

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Bibliographic Details
Main Authors BAO XINYI, SU GANG, YAO FENGLEI
Format Patent
LanguageChinese
English
Published 23.04.2014
Subjects
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Summary:A clamp spring comprises a conical clamp spring body. The clamp spring body is of a non-closed conical structure. A plurality of axial water through grooves are formed in the inner wall of the clamp spring body, annular tooth parts are arranged at the positions, between every two adjacent water through grooves, on the inner wall of the clamp spring body, and the thickness of teeth of the annular tooth parts gradually increases from the narrow end of the clamp spring body to the wide end of the clamp spring body. The clamp spring can more stably clamp a core, and clamping reliability of the core is improved.
Bibliography:Application Number: CN20132728050U