Filter

The utility model provides a filter, and relates to the technical field of electronic components. The wire frame comprises a frame body and a wire frame body, a U-shaped clamping plate is arranged onone side of the frame body, a limiting block is fixed to the middle of the clamping plate, a limiting groove is reserved in the position, corresponding to the limiting block, of the frame body, one end of the limiting block is arranged in the limiting groove, through grooves are reserved in the two ends in the frame body, and one end of the through groove is communicated with the outside. A clamping pin matched with the through groove in shape and size is arranged in the through groove, one end of the clamping pin is a convex face, corresponding clamping grooves are reserved in the positions,close to the convex face of the clamping pin, of the two ends of the clamping plate, the convex face ends of the clamping pin are led into the clamping grooves, the upper end and the lower end of theclamping pin are connected