| 摘要 |
The invention relates to a screw holding device, used to assist a screwdriver in positioning a screw, the screwdriver providing rotary power output to the screw, and the screw holding device comprising: a body connected with the screwdriver; a clamping mechanism located at a front end of the body along a longitudinal axis and capable of moving between a clamp position where the screw is clamped and a release position where the screw is released, wherein the clamping mechanism comprises at least two clamping arms; and a driving mechanism that drives the clamping mechanism to move; wherein the driving mechanism comprises at least two groups of connection units respectively correspondingly connected with the clamping arms and guide units that guide the connection units to move correspondingly, each group of connection units comprising a first connector and a second connector, wherein the first connector moves longitudinally and laterally, and the second connector moves at least longitudinally, so as to drive the clamping arms to produce pivotal motion and longitudinal linear motion. |
