汽车开关锁是汽车的总开关,它控制着汽车所有电气设备(点火、照明、指示灯及空调等的电力供给)。常见的汽车开关锁由钥匙、锁芯及簧片等组成。对汽车开关锁的重要要求是互开率,即除一把正确钥匙外,其它钥匙不能打开这把锁。车锁钥匙(图1)看似简单,但它的质量直接影响着汽车的使 Car switch lock is the main switch of the car, it controls all the electrical equipment (ignition, lighting, lights and air conditioning, etc.). Common car switch lock by the key, cylinder and reed and other components. An important requirement for a car switch lock is the mutual opening rate, ie the key can not be unlocked except for a correct key. The key to the lock (Figure 1) may seem simple, but its quality directly affects the car’s use