What are the main components of the door lock assembly？
The door lock assembly is mainly composed of the following parts:
Door lock transmission mechanism: including motor, gear and position switch, responsible for the door lock opening and closing action.
Door lock switch: used to detect the opening and closing of the door, when the door is closed, the door lock switch is disconnected; When the door opens, the door lock switches on.
Door lock housing: As the external structure of the door lock assembly, protecting the internal components.
Dc motor: The use of positive and negative control of the DC motor to realize the door lock opening and closing action, mainly composed of two-way DC motor, door lock switch, connecting rod control mechanism, relay and wire.
Other components: May also include parts such as latch, lock body, depending on the design and function of the lock.
These components work together to ensure the proper functioning of the door lock system and the safety of the vehicle.
What if the door lock is broken? The structure characteristics, common faults and maintenance ideas of the central control door lock system.
In order to make the car more safe, comfortable and secure, most modern cars are installed with a central door lock control system. The following functions can be achieved:
① When the driver's door lock is pressed down, several other doors and trunk doors can be automatically locked; If you lock the door with a key, lock other car doors and trunk doors as well.
② When the driver's door lock is pulled up, several other doors and trunk door lock locks can be opened at the same time; This action can also be achieved by opening the door with a key.
③ When individual doors in the car room need to be opened, the respective locks can be pulled separately.
1. Central control door lock system structure
1 - Trunk gate solenoid valve; 2 - left rear door lock motor and position switch; 3 - Door lock control switch; 4 - left front door lock motor, position switch and door lock switch; 5 - left front door lock control switch; 6-No.1 terminal box gated circuit breaker; 7 - Anti-theft and lock control ECU and lock control relay; 8 -- No.2 junction box, fuse wire; 9 - Trunk gate switch; 10 - Ignition switch; 11 - right front door lock control switch; 12 - right front door lock motor, position switch and door lock switch; 13 - Right front door key control switch; 14 - Right rear door lock motor and position switch
① Door lock assembly
The door lock assembly used in the central control door lock system is an electric door lock. Commonly used electric door locks are DC motor type, electromagnetic coil type, two-way pressure pump and so on.
The door lock assembly is mainly composed of the door lock transmission mechanism, door lock switch and door lock shell. The door lock switch is used to detect the opening and closing of the door. When the door is closed, the door lock switch is disconnected; When the door opens, the door lock switches on.
The door lock transmission mechanism is composed of a motor, a gear and a position switch. When the lock motor turns, the worm drives the gear. The gear pushes the lock lever, the door is locked or opened, and then the gear returns to its original position under the action of the return spring, preventing the motor from working when the door lock knob is manipulated. The position switch is disconnected when the lock rod is pushed to the lock position and switched on when the door is pushed to the open position.
Dc motor type: The positive and negative rotation of the control DC motor is used to realize the opening and closing of the door lock. It is mainly composed of bidirectional DC motor, door lock switch, connecting rod control mechanism, relay and wire, etc. The operating mechanism is shown in the following figure. The driver and passenger can use the door lock switch to switch on or off the door lock relay.
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