Ceiling Fan Blade Assembly with Segmented Locking
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Solution Overview
Problem
Conventional ceiling fan blade assembly methods require high-altitude operations, are time-consuming, and prone to accidents due to the need for two operators to assemble fan blades, which can lead to poor teamwork and increased risk of construction accidents.
Innovation Solution
A ceiling fan blade assembly structure featuring a blade holder with fan blade assembly portions and locking assemblies, allowing for preliminary fixation and secure locking of fan blades to the holder, enabling easy and safe assembly without the need for high-altitude teamwork.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If two operators perform high-altitude operations to assemble fan blades using fixing tools, then the fan blades can be fixed onto the ceiling fan, but the assembly process becomes time-consuming and prone to construction accidents
Solution Approach 1:
The blade holder is divided into multiple independent assembly portions, each with its own positioning structure. This segmentation allows each fan blade to be assembled independently and simultaneously by multiple operators without interfering with each other, reducing total assembly time while maintaining safety through standardized positioning features that guide proper alignment.
Solution Approach 2:
The assembly structure incorporates self-positioning features including radial positioning portions and vertical positioning portions that automatically guide the fan blade connection portions into correct alignment with the blade holder assembly portions. This self-alignment mechanism eliminates the need for operators to perform complex high-altitude positioning tasks, reducing both time and safety risks.
2Ease of manufacture
If two operators perform high-altitude operations to assemble fan blades, then the fan blades can be fixed onto the ceiling fan, but teamwork coordination becomes difficult and construction accidents increase
Solution Approach 1:
The blade holder assembly portions are distributed around the holder body in a balanced configuration, creating equipotential working conditions for operators. Each assembly portion has identical positioning features and access requirements, allowing operators to work at similar heights and angles without complex coordination, thereby improving ease of manufacture while enhancing safety through reduced coordination complexity.
Solution Approach 2:
The blade holder assembly portions are pre-configured with radial positioning portions and vertical positioning portions that prepare the assembly interface before the fan blades are installed. This preliminary preparation of positioning features eliminates the need for operators to perform complex alignment tasks during high-altitude assembly, making the process easier and safer.
3Productivity
If fan blades are assembled to the hub only during mounting to the rooftop, then the ceiling fan can be installed, but the assembly process requires high-altitude operations and is time-consuming
Solution Approach 1:
The blade holder is segmented into multiple independent assembly portions, each capable of receiving a fan blade connection portion. This segmentation allows parallel assembly operations to occur simultaneously at different locations around the holder, dramatically improving productivity while reducing the complexity of each individual assembly task through standardized positioning features.
Solution Approach 2:
The blade holder assembly portions act as intermediary structures that simplify the connection between the hub and fan blades. These assembly portions provide standardized interfaces with radial and vertical positioning features that mediate the complex alignment requirements, making the overall assembly process more efficient and easier to perform.
4Strength
If locking assemblies are used to lock fan blades to the blade holder, then the fan blades are securely fixed, but the structural complexity increases
Solution Approach 1:
The locking assembly integrates multiple functions into a single component that combines the locking mechanism with the positioning features. This merging of functions provides secure fixation of fan blades to the blade holder while avoiding the need for separate, complex locking mechanisms, thereby maintaining connection strength while reducing overall structural complexity.
Data Source
AI summary
A ceiling fan blade assembly structure includes a blade holder, multiple fan blades, and multiple locking assemblies. Multiple fan blade assembly portions are disposed at an outer side of the blade holder. Each fan blade assembly portion includes two first side plates parallel to each other, a first radial positioning portion, and two first vertical positioning portions disposed on the two first side plates. Each fan blade has a fan blade connection portion that includes two second side plates, a second radial positioning portion, and two second vertical positioning portions. The second and the first radial positioning portions are engaged with each other, and the two second and first vertical positioning portions are engaged with each other. Accordingly, the fan blade connection portion is preliminarily positioned on the fan blade assembly portion. Through the locking assembly, the first and the second radial positioning portions are locked together.