The important role of the automotive column system

Generally speaking, the body has three pillars, from front to rear, the front pillar (A-pillar), the middle pillar (B-pillar), and the rear pillar (C-pillar). For automobiles, in addition to playing a supporting role, the column also plays the role of a door frame.

The A-pillar is one of the automobile structures. The mechanical structure acts as a force transmission channel for the frontal collision energy, transferring the frontal collision energy from the front of the car to the roof, although it plays an important role in stabilizing the body, and in the event of a collision, he is the one who protects the cockpit. The B-pillar supports the roof cover and is one of the most important mechanical structures for the vehicle to resist side impacts. The roof is supported to protect the occupants. There are also some extra parts on the B-pillar, such as seat belts for the front seats. The C-pillar of the car acts as a transmission channel for the rear collision energy in the mechanical structure, and part of the rear collision energy is transmitted to the roof through it, which plays a role in protecting the rear passengers.