Wire harness collecting box and connecting structure of wire harness collecting box and chassis wire harness

The utility model discloses a wire harness collecting box and a chassis wire harness connecting structure, the wire harness collecting box comprises a wire collecting box body and a protective cover box, the wire collecting box body comprises an annular shell and a plurality of partition plates arranged in the annular shell, the annular shell is provided with a plurality of partition plates, the partition plates divide the annular shell into N cavities which are not communicated with one another and are communicated in the front-back direction, the protecting cover box covers the rear side of the line concentration box body so as to cover the N cavities, and line passing gaps are formed between the rear sides of the partition plates and the protecting cover box; the wiring harness collecting box and chassis wiring harness connecting structure comprises a first chassis wiring harness, a second connector, a third connector and a wiring harness collecting box. According to the wire harness collecting box and the