Safety and reliability

The utility model provides a safety and reliability, including the shell, front end installation induction coil in the shell, induction coil connects detection circuitry, the rear portion installation handle of shell, installation horizontal guiding pole in the shell, erection joint board on the shell, set up on the connecting plate with guide bar complex through -hole, the upper portion of connecting plate is located the outside of shell, the lower part installation horizontally push rod of connecting plate, which comprises an outer shell, push rod installation fixed block, install the spring between fixed block and the shell, the upper end of connecting plate sets up the painting brush. The utility model discloses in, through the handle hand, drive the shell and remove along the wall body, can detect electric wire in the wall through induction coil and detection circuitry, detect the position after, press the push rod to can drive the connecting plate and move to the wall body, thereby go out the position a