Cam Swing Linkage and Spring Linkage Combined Mechanism for Vehicle Side-door Latches with Electric Cinch and Release Priority Function

Yin Chuanshuo; Hang Lubin; Zhong Chuanlei; Qu Zhiyang; Zhang Jiale; Huang Xiaobo; Liu Zhe; Chen Yong

doi:10.16578/j.issn.1004.2539.2024.04.019

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Cam Swing Linkage and Spring Linkage Combined Mechanism for Vehicle Side-door Latches with Electric Cinch and Release Priority Function

Test·Analysis | 更新时间：2024-04-19

- Cam Swing Linkage and Spring Linkage Combined Mechanism for Vehicle Side-door Latches with Electric Cinch and Release Priority Function
- Journal of Mechanical Transmission Vol. 48, Issue 4, Pages: 138-147(2024)
- 作者机构：
  
  1.上海工程技术大学机械与汽车工程学院，上海 201620
  2.上海市大型构件智能制造机器人技术协同创新中心，上海 201620
  3.泛亚汽车技术中心有限公司，上海 201201
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2024.04.019
  CLC：
- Published：15 April 2024，
  
  Received：23 December 2022，
  
  Revised：14 February 2023，
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殷传硕,杭鲁滨,钟传磊等.面向车门锁电动吸合开启优先功能的凸轮摆杆柔顺连杆组合机构[J].机械传动,2024,48(04):138-147.

Yin Chuanshuo,Hang Lubin,Zhong Chuanlei,et al.Cam Swing Linkage and Spring Linkage Combined Mechanism for Vehicle Side-door Latches with Electric Cinch and Release Priority Function[J].Journal of Mechanical Transmission,2024,48(04):138-147.
殷传硕,杭鲁滨,钟传磊等.面向车门锁电动吸合开启优先功能的凸轮摆杆柔顺连杆组合机构[J].机械传动,2024,48(04):138-147. DOI： 10.16578/j.issn.1004.2539.2024.04.019.

Yin Chuanshuo,Hang Lubin,Zhong Chuanlei,et al.Cam Swing Linkage and Spring Linkage Combined Mechanism for Vehicle Side-door Latches with Electric Cinch and Release Priority Function[J].Journal of Mechanical Transmission,2024,48(04):138-147. DOI： 10.16578/j.issn.1004.2539.2024.04.019.

摘要

针对高端汽车门锁电动吸合及开启优先功能需求，提出了凸轮摆杆柔顺连杆组合机构，构造了双凸轮单摆杆和含弹簧构件四杆机构的组合机构，结合限位块、接触状态、凸轮间歇运动、型面突变等构件特征，可实现柔顺自适应滚滑、刚性拨动、避让释放3种运动模式及各模式间切换；嵌入锁内棘轮棘爪锁紧机构，将组合机构转化为电动吸合与开启支链；对应汽车门锁电动吸合、手/电动开启及复位、吸合复位3种工况，以相应驱动方式和运动边界条件，研究分析了吸合运动与锁内现有支链的运动兼容功能、开启优先功能、吸合卡止情况半锁开启功能。将机构及驱动嵌入车门锁进行仿真，研究了全工况开启凸轮与摆杆、摆杆与棘轮、棘轮与棘爪的接触力；机构仿真实现各功能动作的时间与车门锁设计要求匹配，其由半锁到全锁的吸合过程时间为420.97 ms，复位时间为29.03 ms，手动开启时间为622 ms。

Abstract

Aiming at the demand of electric cinch and release priority function of high-end vehicle door latches

a cam swing linkage and spring linkage combined mechanism is proposed

and a combined mechanism of double cam single swing linkage and spring four bar mechanism is constructed. Combined with the characteristics of limiting blocks

contact states

cam intermittent movement

profile abrupt change and other components

it can realize three motion modes of flexible and adaptive rolling

rigid pushing

avoiding and releasing

and switch among them. Embedded into the ratchet and pawl locking mechanism

the combined mechanism is transformed into electric cinch and release branches

corresponding to the three working conditions of the vehicle door latch: electric cinch

manual or power release and reset

and cinch branch reset. Based on the corresponding driving modes and motion boundary conditions

the compatible function of the cinch motion and the existing branches in the latch

the release priority function

and the half-lock release function in the case of the cinch pinch are studied and analyzed. The mechanism and the drive are embedded in the door latch for simulation

and the contact force between the release cam and the swing linkage

the swing linkage and the ratchet

and the ratchet and the paw are studied in all working conditions. The time of the mechanism to realize each function matches the design requirements of the vehicle door latch

the time of the electric cinch process is 420.97 ms

the reset time is 29.03 ms

and the manual release time is 622 ms.

关键词

汽车侧门锁凸轮摆杆柔顺连杆组合机构多运动模式棘轮棘爪接触力

Keywords

Vehicle side-door latchCam swing linkage and spring linkage combined mechanismMulti-motion modeRatchet and pawlContact force

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