Since the introduction of the safety belt, I have not known how many lives have been saved. With the advent of airbags, the safety factor of occupants has also greatly improved. However, many people do not attach importance to the importance of seat belts and airbags. China Labor Insurance Network
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Airbags have become the standard safety configuration on most modern cars. This is to better protect the occupants. However, when driving and riding on cars, especially those with airbags, the seat belts must be fastened!
Because the development and design of the airbag is based on the limited protective effect of the seatbelt, the seatbelt and airbag constitute the SRS (Supplemental Restraint System), and they can cooperate with each other to make full use of the auxiliary protection of the occupants. effect.
In the event of a strong collision in front of the car, due to inertia, the occupant's body moves forward quickly. At this time, the seat belt will try to "pull" the occupant's body and absorb some of the impact energy while the airbags are " The thunderbolt is inflated and fully opened; then the upper part of the occupant's body sinks into the airbag, and the gas begins to escape from the outlet of the airbag at a constant speed, absorbing most of the impact energy; then, driving The body is back and back to the seat. The whole process above is almost instantaneous and the occupants are completely passive. In this case, passively relying on the auxiliary occupant protection system is the only choice.
If the seat belts are not fastened before the collision, the airbags will inevitably harm the occupants. Without the restraint of seat belts, not only a part of the impact energy cannot be "unloaded" from the occupants, but also the "as always" rapidly inflated airbags will collide with the fast-moving occupants and the airbags will rapidly expand. The huge impact will slam heavily into the head and chest of the occupants. It can be imagined that in this "impact", the head and chest of the occupants will be seriously injured, - the airbag has become the "culprit" injuring the occupants.
This is why you must always fasten your seat belt! Finally, do you have a seat belt?