The utility model discloses a two-stop lock for an automobile seat, which comprises a shell and a lock leaf, a lock leaf, a lock leaf brake pad and an opening rocker in the shell. The lock leaf and a lock leaf are pivotally connected to the main pivot shaft, and a cam mechanism is formed on the left side of the lock leaf. The lock leaf is provided with a lock leaf torsion spring, and the lock leaf torsion spring and the lock leaf torsion spring are applied counterclockwise direction. The lock leaf brake disc pivotally connects with the housing and is equipped with the lock leaf brake disc torsion spring. The lock leaf brake disc torsion spring exerts counterclockwise return torque on the lock leaf brake disc. The lock leaf is equipped with an opening pin, which enters into a long arc groove on the locking disc. The opening rocker arm is V-shaped, and the middle part of the opening rocker arm pivotally connects with the housing. The upper end of the opening arm is connected with the unlocking handle, and the lower end of the opening arm is matched with the lower part of the locking plate. The two-block lock of the car seat pre-tightens the U-shaped lock bolt in two directions through the locking pad and the locking pad, which is beneficial to fixing the position of the U-shaped lock bolt and avoiding the abnormal noise caused by its shaking.
【技术实现步骤摘要】
汽车座椅两挡锁技术领城本技术涉及一种汽车座椅两挡锁。
技术介绍
传统汽车座椅两挡锁,包括壳体,壳体内设置有锁叶和开启摇臂,锁叶带有外锁槽和内锁槽,锁叶枢转连接于主枢轴上,锁叶配置有锁叶扭簧,锁叶扭簧施加逆时针方向的回位扭矩,壳体上对应锁叶的内锁槽和外锁槽所在位置开设有锁栓卡槽。但是这种两挡锁没有设置对锁栓进行预紧的机构,在使用过程中锁栓会因座椅的摆动而碰撞锁体,进而发出异响。
技术实现思路
本技术所要解决的技术问题是提供一种汽车座椅两挡锁,该汽车座椅两挡锁能够对卡入锁栓卡槽中的U形锁栓进行预紧以避免U形锁栓晃动发出异响。本技术是采用如下技术方案来实现的:汽车座椅两挡锁,包括壳体和设于壳体内的锁叶、锁紧片、锁叶制动片和开启摇臂,所述锁叶带有外锁槽和内锁槽,且锁叶和锁紧片均枢转连接于主枢轴上,所述锁紧片左侧形成凸轮机构以在摆动过程中对U形锁栓施加预紧力,锁叶配置有锁叶扭簧,锁紧片配置有锁紧片扭簧,所述锁叶扭簧和锁紧片扭簧均施加逆时针方向的回位扭矩,所述壳体上对应锁叶的内锁槽和外锁槽所在位置开设有锁栓卡槽,所述锁叶制动片与壳体枢转连接并配置有锁叶制动片扭簧,锁叶制动片扭簧对锁叶制动片施加逆时针方向的回位扭矩,所述锁叶上带有开启销钉,开启销钉进入锁紧片上开设有的长条状弧形槽中,所述开启摇臂呈V形分布,开启摇臂的中部与壳体枢转连接,开启摇臂的上端与解锁手柄连接,开启摇臂的下端与锁紧片下部配合,开启摇臂向下顶的过程中其下端将锁紧片向顺时针方向顶开,所述锁紧片上的长条状弧形槽拉动开启销钉并带动锁叶顺时针摆动进而解锁。采用上述技术方案后,该汽车座椅两挡锁通过锁紧片和锁叶制动片从两个 ...
【技术保护点】
1.一种汽车座椅两挡锁,其特征是:包括壳体和设于壳体内的锁叶、锁紧片、锁叶制动片和开启摇臂,所述锁叶带有外锁槽和内锁槽,且锁叶和锁紧片均枢转连接于主枢轴上,所述锁紧片左侧形成凸轮机构以在摆动过程中对U形锁栓施加预紧力,锁叶配置有锁叶扭簧,锁紧片配置有锁紧片扭簧,所述锁叶扭簧和锁紧片扭簧均施加逆时针方向的回位扭矩,所述壳体上对应锁叶的内锁槽和外锁槽所在位置开设有锁栓卡槽,所述锁叶制动片与壳体枢转连接并配置有锁叶制动片扭簧,锁叶制动片扭簧对锁叶制动片施加逆时针方向的回位扭矩,所述锁叶上带有开启销钉,开启销钉进入锁紧片上开设有的长条状弧形槽中,所述开启摇臂呈V形分布,开启摇臂的中部与壳体枢转连接,开启摇臂的上端与解锁手柄连接,开启摇臂的下端与锁紧片下部配合,开启摇臂向下顶的过程中其下端将锁紧片向顺时针方向顶开,所述锁紧片上的长条状弧形槽拉动开启销钉并带动锁叶顺时针摆动进而解锁。
【技术特征摘要】
1.一种汽车座椅两挡锁,其特征是:包括壳体和设于壳体内的锁叶、锁紧片、锁叶制动片和开启摇臂,所述锁叶带有外锁槽和内锁槽,且锁叶和锁紧片均枢转连接于主枢轴上,所述锁紧片左侧形成凸轮机构以在摆动过程中对U形锁栓施加预紧力,锁叶配置有锁叶扭簧,锁紧片配置有锁紧片扭簧,所述锁叶扭簧和锁紧片扭簧均施加逆时针方向的回位扭矩,所述壳体上对应锁叶的内锁槽和外锁槽所在位置开设有锁栓卡槽,所述锁叶制动片与壳体枢转连接并配置有锁叶制动片扭簧,锁叶制动片扭簧对锁叶制动片施加逆时针方向的回位扭矩,所述锁叶上...
【专利技术属性】
技术研发人员:刘时权,汪诗候,
申请(专利权)人:浙江华悦汽车零部件股份有限公司,
类型:新型
国别省市:浙江,33
还没有人留言评论。发表了对其他浏览者有用的留言会获得科技券。