Adjustable Pipe Holding Assembly for Tool-Free VRF Suspension
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Solution Overview
Problem
The installation of refrigerant pipes in Variable Refrigerant Flow (VRF) systems is time-consuming and expensive due to the need for pre-set suspension means to accommodate drops and uneven ceilings, and existing solutions require tools, risking drops and are cumbersome.
Innovation Solution
A holding assembly with a fastener, receptacle, and releaser that allows for rapid adjustment and tool-free installation on a suspender, enabling precise positioning and supporting elongate articles like VRF pipes, with features like a push-to-disengage button for easy operation and vertical stacking to minimize cantilever bending.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If pre-set suspension means are used to accommodate drops and uneven ceilings, then precise positioning is achieved, but installation becomes time-consuming and expensive
Solution Approach 1:
The holding assembly incorporates a dynamic adjustment mechanism that allows the suspender to be quickly repositioned along the rod without requiring pre-set configurations. The release mechanism enables the assembly to be moved to different positions and locked in place, providing both precision and speed.
Solution Approach 2:
The suspension system is divided into modular components: a rod with multiple holes, a holding assembly with a release mechanism, and configurable suspenders. This segmentation allows for rapid assembly and adjustment without requiring custom-prepared components.
2Reliability
If traditional suspension installation methods are used, then secure attachment is achieved, but tools are required which risk dropping and are cumbersome
Solution Approach 1:
The holding assembly features a self-locking mechanism where the suspender is inserted through a hole in the rod and automatically retained by the holding assembly structure. The release mechanism allows tool-free attachment and detachment while maintaining secure connection during normal operation.
3Reliability
If multiple pipes are supported individually, then each pipe is securely held, but space efficiency decreases and cantilever stress increases
Solution Approach 1:
The holding assembly is designed to support multiple pipes simultaneously through a single attachment point on the suspender. The rod structure extends to accommodate multiple pipes while sharing the load, reducing cantilever stress compared to individual support points.
Data Source
AI summary
Aspects relate to a holding assembly (200), to a suspension arrangement (1), and to a system. The holding assembly (200) comprises: a fastener (202) configured to engage a suspender (100); a receptacle (204) to which the fastener (202) is mounted and defining a space (208) to receive an article (2) to be held; and a releaser (206) operable to control an engagement of the fastener (202) with the suspender (100) to enable the holding assembly (200) to be positioned along the suspender (100).