Keyhole Mounting Base for Hidden Fastener Camera Attachment
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Solution Overview
Problem
Camera devices intended for surveillance often face challenges in secure mounting to walls or ceilings, particularly when using hidden fasteners that compromise the reliability and safety of the attachment, making it difficult to ensure the device remains securely attached.
Innovation Solution
A device comprising a base part with keyhole-shaped openings and an attachment part with protrusions that restrict relative movement between the fastener and the base part, providing additional security and facilitating correct orientation, thereby reducing the risk of unintentional detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If hidden fasteners are used for mounting the camera device, then aesthetic appearance is improved, but mounting reliability deteriorates
Solution Approach 1:
The fastener is nested within the mounting structure where the head is received in a recess of the base part and the shaft extends through a keyhole-shaped opening. This nesting arrangement hides the fastener components while maintaining secure mechanical engagement, resolving the contradiction between aesthetic appearance and mounting reliability.
2Shape
If hidden fasteners are used for mounting the camera device, then aesthetic appearance is improved, but ease of controlling security deteriorates
Solution Approach 1:
The keyhole-shaped opening and protrusion configuration enable self-verifying assembly where the protrusion must align with and engage the keyhole-shaped opening in a specific orientation. This self-service mechanism automatically ensures correct installation orientation and provides inherent security control without requiring additional complex fastening operations.
3Reliability
If the keyhole-shaped opening is arranged peripherally on the base part, then mounting reliability is improved, but device complexity increases
Solution Approach 1:
The keyhole-shaped opening features an asymmetric geometry with a head-receiving portion and a shaft-receiving portion of different dimensions and orientations. This asymmetric design prevents incorrect installation orientation and ensures that the fastener engages in only one correct position, thereby improving mounting reliability through geometric constraint rather than increased complexity.
Data Source
AI summary
A device configured for mounting to a surface, comprises a base part and an attachment part, the attachment part being attachable to the base part, wherein the base part is provided with a keyhole-shaped opening for receiving a fastener comprising a head and a shaft for attaching the base part to the surface, the keyhole-shaped opening comprises a first segment permitting passage of the head and shaft and a second segment permitting passage of the shaft but preventing passage of the head.