Anti-theft Beidou positioning device for computer

The invention discloses an anti-theft Beidou positioning device for a computer. The device comprises a protection box, a positioning device body, supporting base plates, a first lead screw, rectangular sliding blocks, supporting sleeves, supporting rods, limiting clamping blocks, and supporting blocks. The two rectangular sliding blocks are respectively mounted on the outer circumference of two sides of the first lead screw in a threaded connection mode. Two guiding blocks are respectively fixedly connected with the two rectangular sliding blocks. The two supporting sleeves are respectively fixedly connected with the top portions of the two guiding blocks. The supporting rods sliding up and down are arranged through a top plate of a cylindrical cavity, the bottom end of each supporting rodis fixedly connected with the top surface of each supporting sliding block, and the top inner wall of each supporting rod is provided with a limiting clamping block, so that the positioning device body can be clamped and fix