Calculator circuit board detection device

The utility model relates to a calculator detects technical field, and in particular to calculator circuit board detection device covers on, and is provided with keyboard groud, the outside surface at the upper cover is fixed to display screen setting, suppress the structure and the upper surface at the bottom plate is all fixed to L type locating plate, the upper surface of bottom plate is provided with the winding displacement terminal, the winding displacement terminal passes through the wire and puts through mutually with the display screen. Using the utility model discloses the time, the circuit board is through suppressing the structure and L type locating plate is fixed on the bottom plate, then the winding displacement socket on the circuit board insert the circular telegram of winding displacement terminal department afterwards, the upper cover closes on the bottom plate, each contact one -to -one on last each location of the key of keyboard groud and the circuit board, through strikeing the button,