Convenient-to-use positioning device for testing single chip microcomputer

The utility model discloses a positioning device for testing a single-chip microcomputer, which is convenient to use and comprises a positioning seat, a sliding groove is formed in the positioning seat, positioning plates extending out of the sliding groove are slidably connected to two sides of the interior of the sliding groove respectively, a gear is rotatably connected to the interior of the sliding groove, and the gear is rotatably connected to the interior of the positioning seat. Strip-shaped plates slidably connected with the inner walls of the sliding grooves are arranged on the outer sides of the gears correspondingly, transmission teeth matched with the gears are fixedly connected to the opposite sides of the strip-shaped plates correspondingly, limiting grooves are formed in the strip-shaped plates correspondingly, and limiting rods fixedly connected with the positioning plates are slidably connected to the interiors of the limiting grooves correspondingly. Positioning grooves are formed in the op