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Design of the Automobile Safety Belts Buckle
ABSTRACT
Safety belts buckle is an important aspect in automobile safety belt assembly . Its role is the fastening device to prevent the seat belts locked unshackling and the switch role to take unfasten their seat belts.Its performance will have a direct impact on the performance of automobile seat belts,even have a directly affect to the lives safe of occupants.
In this paper, I expounded the structure of the belts buckle and working principle . I studied the relevant national standards and regulations Carefully. In accordance with regulations such as ECE - R16 (which provides materials of seat belt and performance requirements of the rigid parts), GB 14166-2003 (seat belts used by adult passengers and restraint systems in motor vehicle) and other regulations, made 3D models of a safety seat belts . In determining the components of the materials, worked for a force analysis to the main part of the locking process of the buckle,such as the campaign process of the latch plate.Worded for a strenth tset to main forced part,such as locking unit.Meanwhile, worked for a analysis to the force transmission in the release process. By calculating, get a minimum force which need to open the lock and get a minimum force which need to press the button.
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Finally, draw the 2D engineering drawings of all the components of the buckle and the whole assembly lockstitch 2D drawings.
Key word: seat belts, seat belts buckle, National Standards UG,static, strenth tset
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