Anti-falling and anti-short-circuit screwdriver

An anti-falling and anti-short-circuit screwdriver is composed of a screwdriver body unit (1), a clamping unit (2) and an insulation isolation unit (3). The screwdriver body unit (1) is composed of a screwdriver handle (14), a screwdriver bit (15), a battery bin (12), a replaceable bit bin (13) and an LED lamp (11). The clamping unit (2) is composed of an elastic clamping piece (12), a clamping groove (22), a sliding ring (23), a spring piece (24) and a telescopic rod self-tightening head (25), the spring piece (24) is installed in the telescopic rod self-tightening head (25), and the bottom of the elastic clamping piece (12) is arranged between the spring piece (24) and the telescopic rod self-tightening head (25). The utility model solves the problems that the screw is easy to fall off from the screwdriver and the short circuit grounding is easy to cause when the screw touches an adjacent electrified part in the detaching and connecting process, and has a simple structure and is convenient to use. 一种防脱落防短路螺