Disk brake caliper based on wedge-shaped self-locking pressing plate fixed mode

The invention provides a disk brake caliper based on a wedge-shaped self-locking pressing plate fixed mode. The disk brake caliper comprises a disk brake caliper body, a pressing plate, a wedge-shapedstop block and a screw. One end of the disk brake caliper body is provided with a pressing plate insertion groove. A rectangular box with a locating groove is cast at the other end, opposite to the pressing plate insertion groove, of the disk brake caliper body. The pressing plate is provided with a rectangular hole. One end of the pressing plate is inserted into the pressing plate insertion groove. The rectangular boss is sleeved with the rectangular hole of the pressing plate. The outer side of the rectangular hole of the pressing plate is clamped to the locating groove of the rectangular boss. The wedge-shaped stop block is placed into the gap between the rectangular hole of the pressing plate and the rectangular boss from above. The screw is in threaded connection with the wedge-shaped stop block. The end fac