Vehicle Roof Rack Crossbar Locking Cover for Concealed Fixings
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Solution Overview
Problem
Conventional vehicle luggage racks are vulnerable to theft due to exposed screws that can be easily detached, posing a risk of rack and luggage theft.
Innovation Solution
An anti-theft fixing device comprising a fixing main body, anti-theft assembly, and lock member, which covers and secures fixing holes on the vehicle roof, using a fastening assembly with multiple fasteners and a lock mechanism to prevent unauthorized detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional screws are used to fix the vehicle roof rack crossbars, then the installation is simple and the structure is easy to manufacture, but the screws are exposed and can be easily detached by thieves
Solution Approach 1:
The anti-theft assembly is nested within the fixing main body, with the lock member housed inside the anti-theft assembly. This nested structure conceals the fixing components while maintaining a compact overall design, resolving the contradiction between security and structural complexity.
Solution Approach 2:
The fixing device is divided into distinct functional segments: the fixing main body with fixing holes, the anti-theft assembly with lock member, and the fastening assembly with multiple fasteners. This segmentation allows each component to perform its specific function while collectively providing anti-theft security without excessive overall complexity.
2Ease of operation
If exposed screws are used for fixing, then the ease of operation is high and manufacturing is simple, but the vulnerability to theft increases
Solution Approach 1:
The anti-theft assembly acts as an intermediary component between the fixing main body and the external environment. It conceals the fixing holes and requires the lock member to be engaged, adding a protective layer that reduces theft risk while maintaining operational ease through the fastening assembly.
3Reliability
If a lock mechanism is added to conceal the fixing holes, then the anti-theft security is improved, but the device complexity increases
Solution Approach 1:
The lock member is merged with the anti-theft assembly as an integrated unit, and the fastening assembly combines multiple fasteners into a single cohesive structure. This merging reduces the number of separate components and simplifies the overall device structure while maintaining anti-theft security.
Data Source
AI summary
An anti-theft fixing device and an anti-theft vehicle roof rack crossbar are provided. The anti-theft fixing device includes a fixing main body, an anti-theft body, a cover body, and a lock member. The fixing main body includes a fixing portion and a connecting portion, the fixing portion is fixedly connected to the connecting portion, the fixing portion includes at least one fixing hole. The connecting portion further includes a mounting hole, and the connecting portion further includes a first surface and a second surface opposite to the first surface. The anti-theft body includes an anti-theft portion disposed on an inner surface thereof and mounted onto the mounting hole so that the anti-theft portion detachably connected to the first surface of the connecting portion to cover the at least one fixing hole.