The utility model discloses a device is got to wire clamp, get the mechanism including the base with pressing from both sides, press from both sides and to get the mechanism and include that two arm lock and two pairs are used for driving two arm lock respectively and press from both sides tightly and loosen the four bar mechanism of action, four bar mechanism includes supporting shoe, first connecting rod and second connecting rod, and the one end of first connecting rod articulates on the supporting shoe, the other end of first connecting rod and terminal articulated the linking to each other of arm lock, and the one end of second connecting rod articulates on the supporting shoe, and the other end of second connecting rod articulates in the arm lock, and supporting shoe, first connecting rod, arm lock and second connecting rod constitute four bar mechanism. The utility model discloses during the use, only need to make to produce relative the rotation between first connecting rod and the supporting shoe, four bar mechanism produces the motion immediately, and the arm lock is as one of them connecting rods of four connecting rods, and its position changes to realize pressing from both sides tightly and loosen the action, press from both sides and get the wire, additionally, the utility model discloses simple structure, easy preparation, convenient operation has very good application prospect.