Car rear bumper frame action
The main role of the rear bumper skeleton includes absorbing and mitigating the external impact force, so as to reduce the injury of the occupants and protect the safety of the occupants and the vehicle. Specifically, when the vehicle or driver is under collision force, the rear bumper skeleton can absorb and mitigate the external impact force, play a buffer role, and reduce the injury of the vehicle .
In addition, the rear bar skeleton also has the following functions:
Protect the rear of the vehicle : prevent damage to the rear of the vehicle caused by collision with other objects during driving .
absorb collision energy : when the vehicle rear-end collision occurs, it can absorb part of the energy, reduce the injury of the vehicle personnel and damage to the internal parts of the vehicle .
Decorative vehicle : its design is usually coordinated with the whole vehicle style to make the vehicle look more aesthetically .
Protection of pedestrians : in the event of an accident, to reduce the injury to pedestrians .
Automobile rear bar frame refers to the external structure installed in the rear of the automobile to protect the rear of the vehicle. It is not a collision beam, but a part that protects the exterior of the vehicle .
The role of the rear bar skeleton
Protect the appearance of the vehicle : The main role of the rear bumper frame is to protect the appearance of the rear of the vehicle and prevent damage due to collision during the driving .
absorb collision energy : in the event of a rear-end collision accident, the rear bumper frame can absorb part of the collision energy and reduce the damage to the internal parts of the vehicle .
decorative function : its design is usually coordinated with the style of the vehicle to make the vehicle look more beautiful .
The difference between rear bar frame and anti-collision beam
different definitions : The rear bumper skeleton is a structure that protects the appearance of the vehicle, while the crash girder is a critical safety device used to absorb impact energy and protect the occupants of the vehicle in the event of a collision.
location varies : Collision beams are usually hidden on the inside of bumpers and doors, while the skeleton is located on the outside .
The reasons for the failure of the rear bumper skeleton mainly include the following :
Damage to the internal support : a collision or scratch of the vehicle may cause deformation, fracture or crack of the internal support of the rear bumper, resulting in abnormal sound during driving.
improper installation : when the rear bar is installed, it is not installed in place, there is loose between the components, and the vibration of the vehicle will cause abnormal sound .
parts aging : After a long time of use, some parts of the rear bumper skeleton may age and wear, resulting in abnormal sound .
Foreign matter stuck : foreign matter such as small stones and branches is stuck in the gap of the rear bumper frame, which will cause a collision and make a sound when the vehicle is running.
Symptoms of failure include :
abnormal sound : The common manifestation of rear bar skeleton failure is abnormal sound, which may be caused by internal support damage, improper installation or aging of parts .
function damage : When the skeleton is seriously damaged, it may affect the normal function of the rear bumper and even the overall structural stability of the vehicle .
Impact of faults on vehicle performance :
Reduced safety : The rear bumper frame is a key component that supports the bumper and provides the installation location. Serious damage may affect the overall structural stability of the vehicle, thereby reducing the safety of the vehicle .
increase in maintenance cost : Repairing the rear bar skeleton usually requires professional equipment and technology, the repair cost is higher, including the cost of materials and labor .
Damaged vehicle value : The used car value of the vehicle can be significantly reduced if the rear bumper frame is badly damaged, especially if it needs to be replaced overall.
Prevention and maintenance recommendations :
Regular inspection : Regular inspection of the status of the rear bar frame, timely detection and repair of potential problems.
Correct installation : Ensure that all components are tightly combined when installing the rear bar to avoid abnormal noise and function damage caused by improper installation.
timely replacement of aging parts : Timely replacement of aging parts to prevent failures caused by aging parts.
Cleaning up foreign bodies : regularly clean the gaps of the rear bar skeleton to prevent abnormal sound and function damage caused by foreign bodies stuck into the .
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