What's the back door of a car
A rear door is a door located at the rear of a vehicle for access to the rear of the vehicle. It is usually designed above the rear of the vehicle as an emergency escape exit .
There are many types of rear doors, including clamshell and side opening.
Types and functions
clamshell rear door : This is the most common type of rear door, with hinges on the roof side and the door opening from the top down. The advantage of this design is that the opening is large, suitable for loading large items, but the opening and closing require greater strength .
side opening rear door : This kind of rear door opens from the side, does not need great strength, suitable for use in the case of limited space, but easy to be affected by the wind, when it rains easy to be blown into the car .
Historical background and application scenarios
The side opening rear door was first applied to van models in 1972, mainly for easy loading and unloading of cargo. The Suzuki Jimny, for example, had a side-opening rear door from its debut in 1970, a design that was very practical at the time .
Maintenance and repair
If the rear door of the car is damaged, it needs to be repaired or replaced according to the extent of the damage. If the impact is small, you may only need to repair the surface or adjust the shape of the door; If the impact is strong enough to cause serious damage to the rear door, structural deformation, or cracks, you may need to replace the entire rear door .
The main role of the car rear door includes the following aspects :
Convenient for passengers to get on and off : The design of the rear door of the car makes it easy for passengers to get in and out of the vehicle, especially for rear passengers, the operation of opening and closing the rear door is relatively simple, convenient for passengers to get on and off .
Auxiliary reversing and parking : When reversing or side parking, the rear door can play an auxiliary role to help the driver observe the situation behind the vehicle and ensure a safe parking .
increase the use of car space : the existence of the back door makes the space layout of the car more reasonable, especially in the need to load large items, the design of the back door can provide a larger opening, convenient loading and unloading .
emergency escape : in special circumstances, such as when other doors of the vehicle cannot be opened, the back door can be used as an emergency escape channel to ensure the safe evacuation of the vehicle .
The advantages and disadvantages of different types of car rear doors and their application scenarios :
clamshell type rear door : the advantage is that the opening is large, suitable for loading large items scene; The disadvantage is that it needs a larger opening force, but it can be used as a roof to block the rain in rainy days .
side opening rear door : the advantage is that it does not need to be vigorously opened, suitable for the scene with limited space; The disadvantage is easy to be affected by the wind, rainy days may enter the water .
Rear door design differences in different car models and their impact on user experience :
[SUVs and minivans : usually have side opening or clamshell rear doors for easy loading and unloading, suitable for commercial or home use .]
car : The rear door design pays more attention to beauty and convenience, usually side opening or push-pull, suitable for urban driving and daily travel .
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