Public anchor clamps of copper

The utility model relates to a public anchor clamps of copper, including a base, preceding fixed plate is installed to the front end on the base, and the after -fixing board is installed to the rear end on the base, wears to be equipped with the lead screw between two fixed plates, and the outside of fixed plate is equipped with to revolve and twists the cap before the lead screw front end, the both sides of lead screw wear to be equipped with the guide arm respectively between two fixed plates, between two fixed plates on lead screw and the guide arm side by side the cover a plurality of sliding block is equipped with, lie in on lead screw and guide arm and install latch segment, latch segment and lead screw threaded connection between sliding block and the after -fixing board of tail end, the side top of fixed plate, sliding block and latch segment is equipped with the scarce groove that the copper public affairs were placed respectively. The utility model has the advantages of reasonable design, it is in l