Buffering safe device in vehicles

Claim 1

A buffering safety device of use in a vehicle, suitable for installing on a seat belt in a vehicle, comprising: an elongate hollowed box having opposite ends, said box including an openable lid, a folded air bag being included in said box, on both ends of said box there being hook portions for positioning said box on said seat belt; an inflator connecting pipe being provided at one of said hook portions at one of said ends of said box, one end of said connecting pipe extending into and connecting with said air bag in said box while the other end extends out of said box; an inflating device being provided in said vehicle, the inflating device being connected to said inflator connecting pipe of said box through a flexible and elastic hose, said inflating device releasing a pre-stored gas when an impact occurs, said gas entering said air bag in said box along said flexible and elastic hose to expand said air bag to establish protection in front of a human body; and wherein said inflating device is in the shape of a box, the interior thereof being divided into a left and a right space, a movable heavy block being provided in one of said spaces, there being provided in the other said space in sequence an eccentric block, a triggering device, and a gas barrel; said heavy block being provided with a stop clip on one end thereof abutting against a notch provided on said eccentric block; said eccentric block being located in position in a twisted state by a central axle and a twisting spring, said triggering device being located in an axial hole, a tip end being aligned with a top end of said barrel, an outlet being provided in said axial hole for connecting with one end of said flexible and elastic hose.