Foldable Golf Trolley Synchronized Linkage Folding
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Solution Overview
Problem
Current golf trolleys require complex and time-consuming folding processes, resulting in an incompact structure that occupies excessive storage space.
Innovation Solution
A foldable golf trolley design featuring a standing tube assembly, bottom tube assembly, front wheel assembly, and left and right wheel assemblies connected through four-rod linkages and synchronized bevel gears, allowing for simplified folding and unfolding by moving components towards the center via a central hub mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional folding methods are used for golf trolleys, then the folding process can be completed, but the operation becomes tedious and complicated with many steps
Solution Approach 1:
The patent combines multiple folding operations into a single unified action. The handle assembly serves as a central control point that, when actuated, simultaneously triggers the folding of the first tube assembly, second tube assembly, third tube assembly, and wheel assemblies through mechanically coupled linkages. This merging of operations eliminates the need for separate manual folding steps for each component.
Solution Approach 2:
The patent employs dynamic linkage mechanisms that automatically adjust and coordinate the folding motion of multiple components. The linkages are designed to dynamically synchronize the collapse of the tube assemblies and wheel assemblies, ensuring they fold in a coordinated manner without requiring independent manual manipulation of each part.
2Productivity
If traditional folding methods are used for golf trolleys, then the folding process can be completed, but it requires quite a few steps to complete
Solution Approach 1:
The patent incorporates pre-positioned linkages and mechanically coupled components that are prepared in advance to enable rapid folding. The handle assembly is pre-configured with linkages that connect to all tube assemblies and wheel assemblies, so that a single actuation of the handle immediately initiates the folding sequence without requiring preliminary manual manipulation of each component.
Solution Approach 2:
Multiple folding operations are merged into a single unified action through the handle assembly. When the handle is actuated, it simultaneously triggers the folding of the first tube assembly, second tube assembly, third tube assembly, and wheel assemblies through mechanically coupled linkages, reducing the folding process from multiple sequential steps to one concurrent operation.
3Volume of moving object
If traditional folding methods are used for golf trolleys, then the folding process can be completed, but the structure becomes incompact and takes up too much storage space
Solution Approach 1:
The patent implements a nested folding configuration where the wheel assemblies are designed to be received within or alongside the collapsed tube assemblies. The first wheel assembly, second wheel assembly, and third wheel assembly are positioned to nest within the folded structure of the tube assemblies, creating a compact integrated package that minimizes the overall volume of the folded trolley.
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
Enables quick and compact folding of the golf trolley, reducing user effort and saving time by streamlining the folding and unfolding process.
Implementation Method 1
the central hub includes a pair of symmetric left and right driving gears, and left and right driven gears engaging with the left and right driving gears respectively
Implementation Method 2
a four-rod linkage is formed by the standing tube assembly, the front wheel connecting rod, the front wheel assembly and the bottom tube assembly
Data Source
AI summary
A foldable golf trolley includes a standing tube assembly movably coupled with a front wheel assembly through a front wheel connecting rod. A bottom tube assembly is connected with the front wheel assembly and the standing tube assembly. A four-rod linkage is formed by the standing tube assembly, the front wheel connecting rod, the front wheel assembly and the bottom tube assembly. The standing tube assembly is connected with the left and right wheel assemblies through a left and right wheel connecting rod assembly respectively. The left/right wheel connecting rod assembly includes a left/right wheel driving connecting rod and a left/right wheel driven connecting rod, and a left/right wheel four-rod linkage is formed by the left/right wheel driving connecting rod, the left/right wheel assembly, the left/right wheel driven connecting rod and the bottom tube assembly. The trolley could be quickly folded into a compact structure and unfolded.