Truck wire harness protection structure with waterproof function

A truck wire harness protection structure with a waterproof function comprises a positioning frame, an assembling frame, a wire harness and a sealing assembly, and the positioning frame is detachably connected with the assembling frame; the positioning frame is provided with a positioning lug; the sealing assembly is arranged at the two ends of the inner side of the positioning frame and the two ends of the inner side of the assembling frame and comprises a positioning block and an annular sealing ring which are coaxially arranged, the annular sealing ring is hollow, positioning shaft sleeves are fixedly connected to the two sides of the interior of the annular sealing ring, and the upper ends of the positioning shaft sleeves penetrate through the annular sealing ring to be fixedly connected with the positioning block. An inner sliding rod is arranged in the positioning shaft sleeve, the top of the inner sliding rod is connected with a supporting spring, the other end of the supporting spring is connected to