Removable Vehicle Front Extension for Engine Access
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Solution Overview
Problem
The compactness of modern engine compartments in motor vehicles makes it difficult to access and maintain certain motor components, requiring the dismantling of multiple parts, which increases maintenance time and risks quality issues during reassembly.
Innovation Solution
A front part of a motor vehicle design featuring a transverse member, cradle, and extension that allows for the extraction of the extension without removing the transverse member, utilizing reception boxes with guides and screws for secure locking and easy removal in a transverse direction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the engine compartment is made compact to accommodate new body designs, then the vehicle structure becomes more space-efficient, but accessibility to motor components deteriorates requiring dismantling of multiple parts
Solution Approach 1:
The front part of the vehicle is segmented into modular components: a transverse member, a cradle, and removable extensions. The extension can be independently removed from the cradle without dismantling the transverse member or other connected components, providing easy access to motor components while maintaining a compact overall structure.
2Ease of repair
If multiple parts are dismantled to access motor components, then access to defective parts is enabled, but maintenance time increases and quality problems during reassembly occur
Solution Approach 1:
The extension is designed as a removable component that can be extracted from the cradle through a simple extraction movement along guided paths. This allows direct access to motor components located between the extension and the engine without needing to dismantle the transverse member, shock absorbers, or radiator, significantly reducing maintenance time and complexity.
3Stability of the object's composition
If the extension is securely locked to the transverse member and cradle, then structural stability is improved, but the complexity of the locking mechanism increases
Solution Approach 1:
The locking mechanism combines multiple functions into the extension component itself: the extension has ends with internal threading that directly engage with threaded holes in both the cradle and transverse member. This integrated design provides secure structural connection while avoiding complex separate locking mechanisms, as the extension structurally integrates the locking function through its threaded ends that engage with reception boxes in the cradle and transverse member.
Data Source
Figure 1~2
AI summary
The front section (1) of the motor vehicle comprises a transverse member (2), a subframe (3), and an extension (4) connecting the subframe (3) to a longitudinal end of the transverse member (2). The front section has a first configuration in which the extension (4) is fixed to the subframe (3) and the transverse member (2). The front section has a second configuration allowing the extension (4) to be removed without first removing the transverse member (2).