Radio Module License Plate Mounting Single Bolt Fixation
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Solution Overview
Problem
Current methods for installing a radio communication module on a vehicular license plate are inefficient, requiring welding or hiding the license plate's indication face, and lack easy detachment for maintenance or repair, leading to operational and popularization issues.
Innovation Solution
A single-bolt installation method using a housing with engaging portions and a fixing hole that snap-fit onto the license plate's rim, combined with a screw-fastening bolt to securely attach the module to the vehicle, allowing for easy installation and detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the radio communication module is fixed on the license plate by welding a casing, then the module can be securely attached, but the workability deteriorates due to complex welding operations and the indication face is partially hidden
Solution Approach 1:
The patent replaces the welding-based mechanical system with a snap-fit engagement system. The housing includes engaging portions that snap onto the license plate rim, eliminating the need for welding operations while maintaining secure attachment. This substitution of mechanical systems resolves the contradiction by providing easy installation without compromising fixation strength.
Solution Approach 2:
The patent divides the fixation system into separate functional components: the housing with engaging portions for attachment to the license plate rim, and a separate bolt insertion portion for securing the module. This segmentation allows each component to perform its specific function efficiently, improving workability while maintaining secure fixation.
2Stability of the object's composition
If the radio communication module is screw-fastened by a pair of bolts, then the module can be stably fixed, but the installation members hide part of the indication face of the license plate
Solution Approach 1:
The patent employs asymmetric design by using a single bolt insertion portion positioned at a specific location on the housing, rather than symmetric dual-bolt configuration. This asymmetric approach maintains fixation stability while minimizing the number of installation members, thereby preserving more of the license plate's indication face area.
Solution Approach 2:
The housing acts as an intermediary element between the radio communication module and the license plate. The engaging portions of the housing attach to the license plate rim, while the bolt insertion portion provides a single access point for the bolt. This intermediary structure transmits the fastening force effectively while minimizing visual obstruction of the indication face.
3Area of stationary object
If the radio communication module is screw-fastened by a single bolt, then the indication face is preserved, but the module may rotatably slide and is not stably fixed
Solution Approach 1:
The patent merges two fixation mechanisms into a unified system: the snap-fit engagement of the housing portions with the license plate rim provides initial positioning and rotational constraint, while the single bolt provides secure fastening. This combination of engagement methods achieves stable fixation with a single bolt, resolving the contradiction between preserving the indication face and ensuring stability.
Solution Approach 2:
The engaging portions of the housing perform a preliminary action by snapping onto the license plate rim before the bolt is inserted. This preliminary engagement positions the module correctly and prevents rotational sliding, so that when the single bolt is inserted, the module is already stabilized and cannot rotate or slide. This preliminary action enables stable fixation with minimal hardware.
4Strength
If the radio communication module is fixed with multiple bolts or welding, then secure attachment is achieved, but easy detachment for maintenance and repair becomes difficult
Solution Approach 1:
The patent creates a dynamic, reversible fixation system where the housing can be easily detached from the license plate by removing the single bolt. The snap-fit engagement allows for quick assembly and disassembly without permanent modification or complex fastening operations. This dynamic design enables easy detachment for maintenance and repair while maintaining secure attachment during normal operation.
Data Source
AI summary
An installation construction of a radio communication module on a license plate of a vehicle includes the followings: the radio communication module provided with a housing having an engaging portion and a fixing hole; an engagement of the engaging portion with a rim of the license plate; and a screw-fastening of a bolt inserted in the fixing hole to screw-fasten the radio communication module together with the license plate to the vehicle.