Press fit clamp

The pressing clamp comprises a base, a carrier plate, positioning pieces and a cover plate, the carrier plate is placed on the base, the carrier plate is provided with a first face and a second face in the first direction, the first face abuts against the base, the carrier plate is provided with at least one containing groove, the positioning pieces are connected to the carrier plate and correspond to the containing grooves in a one-to-one mode, and the cover plate is arranged on the carrier plate. The cover plate is detachably connected to the base so that the cover plate can have a fixed position and a separated position, the cover plate is further provided with a positioning hole matched with the positioning piece, the cover plate is connected to the base at the fixed position, and the cover plate and the base are at least partially separated in the first direction so that a containing cavity can be formed between the cover plate and the base. At least part of the carrier plate is located in the containing