Rear Bumper Camera Snap-Fit Mounting for Vibration Locking
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Solution Overview
Problem
Existing mounting devices for reversing cameras on rear bumpers of vehicles face issues with increased costs and time due to screw-based installations, and the support panels tend to separate under vehicle vibrations, causing the camera to move or become dislodged.
Innovation Solution
A mounting device featuring a housing with elastic clipping tabs and a support with nozzles and clipping tabs that snap into corresponding slots and edges on the bumper, providing secure, screw-free, and vibration-resistant attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If screw-based mounting is used to secure the camera, then the mounting precision and reliability are improved, but the mounting time and manufacturing cost increase significantly
Solution Approach 1:
The patent replaces the traditional screw-based mechanical fastening system with a snap-fit mechanical system. The housing includes clipping tabs that engage with corresponding slots in the bumper, and the support includes beaks that snap into lights (recesses) in the bumper. This substitution eliminates the need for screws while maintaining secure attachment, thereby reducing mounting time and complexity while preserving reliability.
Solution Approach 2:
The mounting device is divided into separate functional components: a housing with clipping tabs for bumper attachment, and a support with beaks for additional securing. This segmentation allows each component to perform its specific function efficiently - the housing provides primary attachment while the support provides secondary locking - resulting in a faster and simpler installation process compared to traditional screw-based unified fastening systems.
2Device complexity
If a simple clipping system is used to reduce mounting complexity, then the mounting time and cost are reduced, but the camera becomes loose under vehicle vibrations
Solution Approach 1:
The mounting system is segmented into two distinct attachment mechanisms: clipping tabs on the housing that engage with slots in the bumper for primary attachment, and beaks on the support that snap into lights (recesses) in the bumper for secondary locking. This segmentation allows the system to remain simple and tool-free while providing multi-point secure attachment that prevents camera loosening under vibration.
Solution Approach 2:
The patent merges two different snap-fit mechanisms (clipping tabs and beaks) into a unified mounting system that works together to provide both simplicity and reliability. The clipping tabs handle the primary attachment function while the beaks provide additional securing, creating a combined system that is more reliable than either mechanism alone while maintaining ease of installation.
3Strength
If traditional screw-based mounting is used, then the camera is securely fixed, but the installation cost and time increase significantly
Solution Approach 1:
The patent substitutes the screw-based mechanical fastening system with a snap-fit mechanical system consisting of clipping tabs engaging with slots and beaks snapping into lights. This substitution maintains strong fixing capability through elastic engagement and multi-point attachment while dramatically improving installation ease by eliminating the need for tools and complex assembly procedures.
Solution Approach 2:
The mounting device incorporates self-aligning and self-securing features where the elastic clipping tabs automatically engage with the slots in the bumper, and the beaks snap into the lights without requiring external fastening actions. This self-service mechanism maintains strong fixation while simplifying the installation process to a straightforward snap-in operation.
Data Source
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AI summary
The invention relates to a device (10) for mounting a rearview camera on the rear bumper (2) of a motor vehicle, comprising a housing (20) defining a receiving cavity capable of housing at least part of said camera and provided to be fixedly attached by snap-fitting to the outer face of the periphery of an opening (4) made in said bumper, and a support comprising attachment means (46, 47) capable of fixedly attaching it to the inner face of said periphery of said opening (4) so as to ensure said camera is locked in position. Said attachment means comprise at least one nose (46) provided to engage by hooking into an aperture (5) that has a corresponding shape and is made in said bumper (2), and also at least one snap-fitting tab (47) capable of engaging with the rear edge of said opening (4).