Bending-resistant and high-voltage-resistant connecting wire harness for new energy automobile

The invention discloses a bending-resistant and high-voltage-resistant connecting wire harness for a new energy automobile, and particularly relates to the technical field of automobile parts, the bending-resistant and high-voltage-resistant connecting wire harness comprises a plurality of signal wires, and a branching mechanism sleeves one end, close to a connector, of the outer surface of each signal wire; the branching mechanism comprises a butt joint block. A plurality of signal lines penetrate through arc-shaped groove holes in the surface of a butt-joint block, an upper sealing block and a lower sealing block to be attached to the butt-joint block, the butt-joint block, the upper sealing block and the lower sealing block are connected together through a rapid clamping mechanism, two blocking penetrating blocks penetrate through corresponding penetrating holes to reach the end of an annular protruding block, then a pull handle is rotated to drive a connecting rod, and the butt-joint block and the upper s