Many riders are worried that their car is stolen, so the car door lock is the most important thing. A good car door lock can make your car very safe, but many drivers are not very familiar with the car. The related problems of the door lock, the following is some of the related issues related to the car door locks compiled by the Xiaobian to the riders.
Speaking of the door lock, the owner of the column often deals with the central locking switch. When the central locking is locked, the person outside the car cannot pull the door by the external door, and the internal handle can only be unlocked by the mechanical unlocking mechanism before the door is opened from the inside.
The so-called "mechanical unlocking mechanism" is that the lock pin on the side of the door is probably the dialable mechanism with the red mark on the door handle. By mediating the mechanical unlocking mechanism to the unlocked position, the door can be opened by the inner part handle.
Some models do not have the mechanical unlocking mechanism mentioned above, but in the static environment of the vehicle, the door can be opened by pulling the inner part handle twice.
Exceptional environment
In the static state, the only possibility that the door cannot be opened is that the child safety lock is locked. Although only the back door will have a child's security lock, the front door can open the door through the internal handle and the mechanical unlocking mechanism anyway. If you can't open the front door in any way, you can only say that your car's door lock is broken and you have to go through the repair.
Door lock system - the mystery inside the door trim
After dismantling the door trim of a car, we can understand the layout and basic operation of the door lock. The following is a description of the BMW 320i (E90) door lock process:
1. When the mechanical lock is locked
At this time, the lock pin of the mechanical unlocking mechanism is in a lower position. Pull the inner part of the handle once, the mechanical unlocking mechanism lock pin moves up, and the mechanical lock is unlocked.
Pull the inner part of the handle again, the door lock is unlocked, and the door can be pushed open.
2. When the mechanical lock is unlocked
At this time, the lock pin of the mechanical unlocking mechanism is at a higher position. Pull the inner part of the handle, the door lock is unlocked, and the door can be pushed open.
How did the agent break the window into the car?
In the movie, we often see the special agent to break the window into the car's lens. The agent's manipulation method can refer to the above picture. According to the above method, when the window is broken into the car, the anti-theft system will be triggered. If the vehicle alarms and the mobilization machine cannot be started, all that can be done is to take the items inside the car.
Car door lock system - what is the door lock module?
From the above figure we can see the physical map of a pair of door lock modules. In an environment where no electrical wiring is connected, he can unlock the door lock by pulling up A and pulling down B.
Important principle of door lock design: life and safety
The principle of door lock design is to guarantee the safety of life. Therefore, the door lock must be able to be unlocked normally after the disorder has occurred, which is a requirement for the car to meet. Therefore, the probability that any vehicle door cannot be opened after the vehicle falls into the water is quite proud. The main reason why the drowning vehicle can't open the door is that the difference between the internal and external pressure difference is too large, and only when the vehicle pressure difference is balanced, the gas can be smoothly pushed open.
The above is some of the related issues related to car door locks compiled by Xiaobian to the riders. I hope that the riders will know more and ensure the safety of their car.
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