Orthogonal Annular Joint Assembly for Drift-Resistant Positioning
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional ball joint mounting brackets experience drifting or slippage due to thermal and structural impacts from temperature changes, vibrations, and shock, leading to imprecise positioning and image capturing issues in camera devices.
Innovation Solution
A joint assembly comprising two annular joint sections with orthogonal axes, providing three degrees of freedom for rotational motion, secured by a flat metal-to-metal contact and low friction plastic-to-metal surface contact for stable and precise adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional ball joint mounting bracket is used, then mounting functionality is provided, but drifting or slippage occurs due to thermal and structural impact
Solution Approach 1:
The mounting bracket is divided into multiple segments: a rigid bracket body, a resilient portion with durometer between 30-70, and a ball joint component. This segmentation allows each part to perform its specific function - the rigid body provides structural support, the resilient portion absorbs thermal expansion and contraction, and the ball joint enables precise positioning, collectively preventing drifting and slippage
Solution Approach 2:
The mounting bracket combines materials with different properties - a rigid material for the bracket body providing structural integrity, and a resilient material with specific durometer range for the resilient portion that can withstand thermal and structural impact. This composite construction maintains position stability while resisting harmful environmental factors
2Manufacturing precision
If a ball joint mounting bracket is used, then mounting capability is provided, but imprecise positioning occurs due to thermal and structural impact
Solution Approach 1:
The bracket is segmented into a rigid positioning structure and a resilient portion with controlled durometer (30-70). The rigid portions maintain precise positioning geometry, while the resilient portion compensates for thermal expansion and contraction, ensuring that positioning precision is maintained despite environmental variations
Solution Approach 2:
The resilient portion's durometer is specifically selected between 30-70 to optimize its ability to withstand thermal and structural impact while maintaining positioning precision. This parameter selection ensures the material is soft enough to absorb environmental stress but firm enough to maintain precise positioning
3Strength
If a conventional mounting bracket is used, then basic mounting is achieved, but the bracket cannot withstand thermal and structural impact
Solution Approach 1:
The mounting bracket uses a composite construction combining a rigid bracket body for structural strength and a resilient portion with durometer 30-70 for impact absorption. This combination enables the bracket to withstand thermal expansion and contraction as well as structural vibrations and shocks without compromising mounting integrity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The joint assembly ensures long-term position stability and precise adjustments, enhancing mounting stability for industrial applications like bar code scanning and machine vision, while preventing drifting and slippage in camera devices.
Implementation Method 1
low friction plastic-to-metal surface contact
Implementation Method 2
flat metal-to-metal contact and low friction plastic-to-metal surface contact
Data Source
AI summary
The present disclosure provides a joint assembly for an apparatus comprising an object and a base component. The joint assembly comprises a first joint component coupled to a second joint component and each joint component comprises annular joint sections. A first peripheral section of a first annular joint section of the first joint component abut with a second peripheral section of a second annular joint section of the second joint component is defined to rotate about a first axis. A second peripheral section of a second annular joint section of the first joint component abut with the base component is defined to rotate about a second axis. A first peripheral section of a first annular joint section of the second joint component abut with the object is defined to rotate about the third axis. The first axis, the second axis, and third axis are orthogonal to each other.