Design of backdoor

Design of Backdoor

Introduction to Backdoor:

Backdoor or the tailgate is the rearmost part of a vehicle which gives access to the compartment and has mounts for wiper motor, tail lamps, hinges for supporting its weight in the opened position, gas-stay supports which help with its opening.

Backdoor Assembly:

Fig.1:- Backdoor assembly.

The backdoor has the following components:

1. Inner panel.

2. Outer panel.

3. Hinge reinforcement.

4. Gas-stay reinforcement.

5. Wiper motor reinforcement.

6. Latch reinforcement.

Inner panel:

The inner panel is the part on which most of the components such as hinges, latch, glass guide channel etc are mounted. It also contains all the emboss provided for the support reinforcements.

Fig.2:- Inner panel.

Outer panel:

Unlike the inner panel, the outer panel is less on functionality and is more about the aesthetic look of a vehicle. It also has the provision for tail lamp, licence plate mounting etc.

The outer panel is provided with hemming to join it with the inner panel.

Fig.3:- Outer panel

Reinforcement:

Reinforcements provide additional strength to the panel where mointings are attached.

Fig.4:- Hinge reinforcement (yellow), gas-stay reinforcement (green), wiper motor mount (green), latch reinforcement (blue).

The CAD model of the backdoor is provided in the link below:

https://drive.google.com/drive/folders/1rWayATpE70LzZE0aJBIcLjS9o-7nAN3E?usp=sharing