More pre-tensioners and force limiters

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lap seat belt - China Manufacturer

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safety belt strap foreign luxury cars have seat belt use a state-of-the-art active seat belts. More pre-tensioners and force limiters, and intelligent electronic control system. Its role in the process is: the first by a probe is responsible for collecting crash information, and then release the electrical pulse, the pulse is transmitted to the gas generator, detonating gas. Explosion rapid expansion of the gas within the duct, the pressure to the so-called ball chain, so that the ball forward channeling within the tube, driving the ratchet disc revolutions. Detent plate with uranium as a single entity, the seat belt around the shaft. Simply put, the gas pressure to make the ball move, the ball driven pawl plate turn the detent plate to drive shaft turn - instantly realized the function of the seat belt pretensioners. The whole process from the perception of the accident to the completion of seat belt pretensioners lasted only thousandths of a second. The end of the pipe is the length of the cavity for shelter or roll over the ball. Full with the role of the pre-tensioners have been tightened. But we hope that the past peak force, the the seatbelt tens ioner intensity immediately reduced to reduce the occupant force, this special task is accomplished by the belt force limiter: on the seat belt apparatus, there is an as before said pre-tightening device, under the wound seat belt. The inside of the shaft is a steel torsion rod. When the load reaches the predetermined conditions, the torsion bar began to distort relaxed belts, so that to a certain extent, the restriction function of the seat belt tension. Together seat belt pre-tensioners and belt force limiters, belt protection has almost reached the ideal state. The so-called see the spirit in subtle, advanced seat belt does give the occupant to provide reliable security protection.fall arrest systems