Dovetail Strut Fitting with Resilient Catch
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Solution Overview
Problem
Conventional strut systems for supporting pipes and electrical cables in buildings are time-consuming to assemble and require special ordering, making it difficult to disassemble or modify them during installation.
Innovation Solution
A strut fitting system with a dovetail-shaped groove and catch mechanism that allows for easy connection and disconnection of strut pieces, enabling quicker assembly and modification by sliding into external fitting grooves and using resilient catches for secure attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional strut systems are assembled using traditional methods, then structural support is achieved, but assembly time is excessive and modifications require special ordering
Solution Approach 1:
The strut system is divided into modular components: straight strut pieces, elbow pieces with pre-formed dovetail grooves, and connector pieces. These segmented modules can be quickly assembled using the dovetail fitting mechanism without requiring special ordering for different configurations
Solution Approach 2:
The system transitions from static welded connections to dynamic, reversible dovetail connections. The resilient catch mechanism allows struts to be easily connected and disconnected, enabling rapid modifications on-site without permanent welding joints
2Strength
If strut pieces are welded together to provide additional functionality, then structural integrity is maintained, but the system cannot be easily disassembled or modified
Solution Approach 1:
The connection system transitions from static welded joints to dynamic, reversible dovetail connections with resilient catches. This allows the structure to be easily disassembled and reconfigured while maintaining structural integrity through the interlocking dovetail geometry
Solution Approach 2:
The dovetail fitting acts as an intermediary component between strut pieces, providing a mechanical connection that replaces welding. The resilient catch serves as a secondary intermediary to secure the connection without permanent bonding
3Reliability
If conventional fastening methods are used, then struts can be secured to walls and rods, but assembly is time-consuming and lacks flexibility
Solution Approach 1:
The dovetail grooves are pre-formed into the strut pieces during manufacturing, eliminating the need for现场 drilling or cutting. The resilient catches are pre-installed on connector pieces, ready for immediate engagement with the grooves, significantly reducing assembly time
Solution Approach 2:
The resilient catches automatically engage with the dovetail grooves when connector pieces are inserted, providing self-securing connections. The catches deflect resiliently to allow insertion then snap into place to secure the connection without requiring additional fastening operations
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
Facilitates faster and more flexible assembly of strut systems, allowing for adjustments during installation without the need for special ordering, enhancing installation efficiency and adaptability.
Implementation Method 1
A catch is secured to and extends outward from the first face of the fitting body, wherein the catch is resiliently deflectable relative to the fitting body
Data Source
AI summary
A strut fitting for a strut includes a fitting body having opposite ends and a length extending between the opposite ends. First and second opposite faces extend along the length of the body. Opposite sides are disposed between the first and second faces and extend along the length of the body. The first face and at least portions of the opposite sides adjacent the first face define a first cross-sectional shape of the fitting body that is generally dovetail-shaped. A catch is secured to and extends outward from the first face of the fitting body. The catch is resiliently deflectable relative to the fitting body.