Robust push-push connector
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional push-push mechanisms are fragile and susceptible to damage from improper use, and may not function effectively unless arranged in a particular orientation relative to gravity.
Innovation Solution
A robust push-push mechanism featuring a shuttle block, track block, and arm with compression and torsion springs that apply preload forces, allowing for adjustable coupling and transition between latched and unlatched states without relying on fragile components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional push-push mechanisms are used, then the device can achieve basic coupling functionality, but the mechanism becomes fragile and susceptible to damage from improper use
Solution Approach 1:
The patent employs springs (both compression and torsion springs) as cushioning elements that absorb and dissipate impact forces before they can damage the mechanism. The compression springs are positioned to cushion the arm against the track block, while torsion springs cushion the shuttle block against the arm, creating a protective buffer system that prevents fragile components from breaking under improper use or excessive force
Solution Approach 2:
The patent changes the mechanical parameters of the system by introducing spring-based preload forces that dynamically adjust the stiffness and force characteristics of the coupling mechanism. The springs allow the mechanism to transition between soft compliance during normal operation and rigid locking when engaged, thereby achieving both robustness during operation and resistance to damage during improper use
2Adaptability or versatility
If conventional push-push mechanisms are used, then the device can function in specific orientations, but the mechanism fails when not arranged in a particular orientation relative to gravity
Solution Approach 1:
The patent uses springs to counteract the effects of gravity and other external forces that would otherwise cause the mechanism to fail in certain orientations. The compression springs maintain contact forces between components regardless of orientation, while the torsion spring ensures the arm remains engaged with the shuttle block, effectively neutralizing the influence of gravitational orientation on mechanism functionality
Solution Approach 2:
The spring-based cushioning system provides continuous force maintenance between components regardless of the device's orientation relative to gravity. The springs ensure that critical contact forces are maintained in all orientations, preventing the mechanism from failing due to loss of contact or improper force distribution when tilted or inverted
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 mechanism provides reliable and robust operation, enabling secure adjustment and retraction of objects by withstanding tensile forces and maintaining functionality across various orientations.
Implementation Method 1
one or more second springs extending between the track block and the shuttle block. The one or more second springs may be configured to apply a linear preload force between a distal end of the track block and a proximal end of the shuttle block
Implementation Method 2
one or more first springs disposed between the distal end of the arm and the shuttle block and one or more second springs extending between the track block and the shuttle block. The one or more first springs may be configured to apply a torsional preload force to the arm
Data Source
AI summary
The present disclosure generally relates to movable coupling mechanisms, and more particularly, to push-push devices for adjustably coupling a first object to a second object. In some embodiments, the push-push device includes a shuttle block configured to be coupled to the first object, a track block configured to be coupled to the second object, and an arm rotatably coupled to the shuttle block at a distal end of the arm and slidably coupled to the track back at a proximal end of the arm. The push-push device may also include one or more first springs configured to apply a torsional preload force to the arm, and one or more second springs configured to apply a linear preload force between the shuttle block and the track block.