Shielding device

The utility model provides a shielding device which comprises a base, a plurality of shielding pieces and a plurality of pressing assemblies, the base is provided with an opening, and the opening penetrates through the base; the multiple shielding pieces are arranged on the base at intervals in the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GAO JUNYANG, YANG XU, XU FEI, YANG JIAGANG, RONG JIANMING, QU YAZHE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	The utility model provides a shielding device which comprises a base, a plurality of shielding pieces and a plurality of pressing assemblies, the base is provided with an opening, and the opening penetrates through the base; the multiple shielding pieces are arranged on the base at intervals in the first direction and are arranged in a sliding mode relative to the base in the second direction; the multiple sets of pressing assemblies are arranged at intervals in the first direction and correspond to the multiple shielding pieces one to one, each pressing assembly comprises a connecting piece, a pressing piece and an elastic piece, the connecting piece slidably penetrates through the base, a limiting part is arranged at one end of the connecting piece, the elastic piece is arranged on the connecting piece in a sleeving mode, and the two ends of the elastic piece elastically abut against the base and the limiting part respectively; the pressing piece is connected with the end, away from the limiting part, of th