A-pillar-lower 1 that is an automotive frame part according to the present invention includes an outer panel 3 and an inner panel 5. The outer panel 3 has approximately a T-shape in planar view and has a hat-shaped cross section intersecting portions each corresponding to a horizontal side and a vertical side in approximately the T-shape that is formed of a top portion 3a, a side wall portion 3b, and a flange portion 3c. The inner panel 5 is connected to the flange portion 3c of the outer panel 3 and forms a closed cross section with the outer panel 3. The inner panel 5 and the outer panel 3 are made of metal. In a space formed between the outer panel 3 and the inner panel 5, the A-pillar-lower 1 includes a plurality of plastic stiffening members 7 that each have one end connected to an inner surface 3d of the outer panel 3 and another end connected to an inner surface 5a of the inner panel 5. The shape and the disposition of the stiffening members 7 are set based on an analysis result from a shape optimization analysis method. Each of the stiffening members has a columnar shape or a columnar shape with both end parts bulging.
AUTOMOTIVE FRAME PART
RAHMENTEIL FÜR KRAFTFAHRZEUG
PARTIE DE CHÂSSIS D'AUTOMOBILE
2022-07-20
Patent
Electronic Resource
English
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |