Introduction:
The automobile three-point pre-tensioned force-limiting seat belt is a product composed of multiple functional modules, of which the clockwork cover, the generator tube, the bracket, the steel ball, etc. are all important components. Among them, the seat belts repair kit roller on the force-limiting retractor is an important one. part.
The main function of the seat belts repair kit roller is to tighten and relax the seat belt webbing through the clockwork spring. In addition, the material of the aluminum wheel is zinc-aluminum alloy. The middle of the seat belts repair kit roller has a limited force torsion bar.
The seat belts repair kit roller are different according to the different structure of the seat belt structure. The rack-shaped seat belt aluminum wheels have biting gears, and the ball chain seat belt aluminum wheels have spherical grooves. It is used to promote the winding of the seat belt aluminum wheels.
There is also a limited force claw next to the aluminum wheel. When the seat belt aluminum wheel reaches a certain speed limit, the force limit claw will be thrown out due to the high-speed rotation of the aluminum wheel, and the wheel will be buckled to stop the aluminum wheel from rotating to achieve an emergency lock. the goal of.
Most of the retractor aluminum wheels have a force limiting rod added in the middle. The purpose is to ignite the gas generating product to push the steel ball when the vehicle is in an emergency collision, and the steel ball allows the aluminum wheel to rotate to achieve the purpose of tightening the webbing. When the force limiting rod is resisted When it deforms, the aluminum wheel cannot be fixed, thus achieving the purpose of protecting the occupants.
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