关键词: 汽车尾门；自动落锁；气弹簧；能量守恒

Abstract: In order to study how to realize the automatic locking of the tailgate of the automobile, the paper first analyzes the influencing factors of realizing the automatic locking of the tailgate, then establishes a mathematical calculation model for each factor, calculates the energy generated or consumed by each influencing factor in the process of closing the tailgate, and finally according to the law of energy conservation, the energy required to obtain the automatic locking of the tailgate is calculated, and according to the calculation structure, it is judged whether the tailgate can be automatically locked. Through the above method, various parameters can be adjusted in the preliminary design to satisfy the automatic lock of the tailgate of the automobile.

Key words: Tailgate of the automobile; Automatic locking; Air spring; Energy conservation