Magnetic Spherical Tripod Head for Nodding Prevention
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Solution Overview
Problem
Existing spherical tripod heads are prone to 'nodding' which can cause damage to external accessories due to loss of locking force or wear over time.
Innovation Solution
A magnetic spherical tripod head is designed with a universal ball, a limiting seat, a magnetic piece, and detachable fixing parts. The magnetic piece provides a stable magnetic attraction force that assists in locking the ball head, preventing 'nodding' and reducing damage to accessories.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional spherical tripod head is used, then the structure is simple and cost is low, but the locking force is unstable and causes nodding
Solution Approach 1:
The patent replaces part of the traditional mechanical locking system with a magnetic field-based locking mechanism. A magnetic piece is installed in the ball seat to generate magnetic attraction force on the ball head, providing stable locking without relying solely on mechanical friction. This substitution maintains structural simplicity while significantly improving locking stability and preventing nodding.
2Reliability
If magnetic piece is added to improve locking stability, then nodding is prevented, but device complexity increases
Solution Approach 1:
The magnetic piece is integrated into the existing ball seat structure, merging the magnetic locking function with the existing mechanical framework. This integration approach adds minimal components while achieving stable locking, as the magnetic piece works in conjunction with the ball head and ball seat rather than requiring a completely separate locking mechanism.
3Reliability
If mechanical locking force is increased to prevent nodding, then stability improves, but wear increases and locking force is lost over time
Solution Approach 1:
The magnetic locking mechanism replaces high-friction mechanical contact with magnetic field interaction. The magnetic attraction force provides continuous locking without the wear and degradation associated with mechanical friction. This substitution ensures long-term stability as the magnetic field does not degrade over time like mechanical contact surfaces.
4Weight of moving object
If spherical tripod head is made compact for portability, then volume and weight are reduced, but locking stability may be compromised
Solution Approach 1:
The magnetic locking mechanism provides high locking stability in a compact form factor. The magnetic piece generates sufficient attraction force within a small volume, eliminating the need for large mechanical locking components. This allows the tripod head to remain lightweight and portable while maintaining reliable locking performance.
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 magnetic spherical tripod head effectively prevents 'nodding' by maintaining a stable locking force, reducing damage to external accessories and allowing for precise angle adjustments during photography.
Implementation Method 1
The magnetic piece is fixed in the ball seat and attracts the ball head
Data Source
AI summary
The present disclosure relates to a magnetic spherical tripod head and a tripod head assembly, which includes: a universal ball, comprising a ball head and a connecting handle; a limiting seat, comprising a ball seat for accommodating the ball head and a limiting piece movably abutting against the ball head and capable of limiting the rotation of the ball head in the ball seat; a magnetic piece, being fixed in the ball seat and attracting the ball head; a first fixing part and a second fixing part, being configured to detachably connect external accessories and respectively connected with the connecting handle and the limiting seat. The present disclosure overcomes the defect that the camera fixed on the existing spherical tripod head will quickly fall down and easily get damaged when the spherical tripod head is unlocked by the locking device.