The composition of central control door lock system
The composition of the central control lock system includes: door lock mechanism, gate switch, control module, remote control and receiver antenna and other components, the following we will introduce the components involved in the central control lock system.
(1) Door lock mechanism
The door locks on the vehicle include: four door locks, hood locks, tail locks and oil tank cover locks, etc.
The lock mechanism includes: door lock, door lock position sensor, lock motor components
The lock mechanism is driven by a pull wire and is equipped with a position sensor
Door lock and external handle classification:
According to the shape of the lock parts, can be divided into tongue spring type, hook type, clamp type, CAM type and rack type type door lock: according to the movement of the lock parts, can be divided into linear motion such as tongue spring type, swing type such as clamp type, rotary type such as rack and pinion type three: according to the way to control the door lock, can be divided into manual and automatic two types. Among the above locks, tongue spring, rack and pinion type and clamp type door lock are commonly used. Their advantages and disadvantages are described as follows: tongue spring door lock: simple structure, easy installation, installation accuracy of the door is not high: the disadvantage is that it can not bear longitudinal load, so the reliability is poor and the door is heavy, high noise, the tongue of the lock and the block are easy to wear. This kind of door lock in the modern automobile has been less used, mainly used for trucks, buses and tractors.
Rack and pinion door lock: high locking degree, high wear resistance of the rack and pinion, light closing: the disadvantage is that the meshing clearance of the rack and pinion is strict once the meshing clearance is out of order, it will affect the use of the door installation accuracy is higher.
