Self-positioning fixing assembly and metering instrument

The utility model relates to the technical field of assembling and fixing. The utility model relates to a fixing assembly, in particular to a fixing assembly capable of achieving self-positioning fixing. The device comprises a fixing piece and a fixing body, a fixing hole is formed in the fixing bod...

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Bibliographic Details
Main Author QI ERLUO
Format Patent
LanguageChinese
English
Published 30.06.2020
Subjects
MEASURING
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
PHYSICS
TESTING
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Summary:The utility model relates to the technical field of assembling and fixing. The utility model relates to a fixing assembly, in particular to a fixing assembly capable of achieving self-positioning fixing. The device comprises a fixing piece and a fixing body, a fixing hole is formed in the fixing body; a positioning bulge is arranged on the fixing piece; the fixing body is provided with a positioning groove corresponding to the positioning protrusion, the fixing body and the positioning groove have a matching state and a positioning state, the positioning protrusion is located on the inner sideof the inner side face of the fixing body in the matching state, and when the fixing piece is rotated, the positioning protrusion and the positioning groove are switched into the positioning state. According to the scheme of the utility model, the fixing assembly can realize self-positioning, can prevent retraction, slipping and shaft rotation, and is convenient to assemble. Meanwhile, the utility model discloses a meter
Bibliography:Application Number: CN201921241371U