Rivers display fixing device

The utility model provides a rivers display fixing device belongs to instrument fixing device technical field. Its technical scheme does: it includes hemispherical protection casing and effect handle,the protection casing inboard is provided with the protective layer, and the protection casing upper end is fixed, and to be provided with a cross section be hexagonal stand, and a circular notch that uses with the cooperation of effect handle is offered to the stand side, is provided with a cylindric neodymium iron boron magnetic steel bottom the circular notch, the terminal surface is providedwith annular neodymium iron boron magnetic steel under the protection casing, and the terminal surface still evenly is provided with the cylindricality round pin that annular neodymium iron boron magnetic steel was worn out to a plurality of under the protection casing, rivers display apron up end is provided with sells the complex fabrication hole with the cylindricality. The beneficial effects of the utility model are th