Heated Towel Rail Assembly Without Welded Beam Joints
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Solution Overview
Problem
Manufacturing heated towel rails from stainless steel tubes is cumbersome and expensive due to the difficulty in achieving neat welds between horizontal beams and vertical posts, affecting the aesthetic and functional finish.
Innovation Solution
A towel rail design featuring vertically extending tubular supports with horizontally extending beams, where each beam has recesses and fasteners that engage with the support, eliminating the need for welding by using grub screws or bolts to secure the beams, and incorporating a connection mechanism with a tubular arm, flange, and securing member for attachment to a fixed structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If welding is used to join horizontal beams to vertical posts, then structural strength is improved, but manufacturing complexity and cost increase, and aesthetic finish deteriorates due to difficult weld quality
Solution Approach 1:
The patent replaces the welding process with a mechanical fastening system using bolts or screws that pass through the vertical post and engage with threaded holes in the horizontal beam. This substitution eliminates the complexity of achieving neat welds while maintaining structural strength through proven mechanical connection methods.
Solution Approach 2:
The connection is divided into separate components: the vertical post with through-holes, the horizontal beam with threaded holes, and the fastening elements (bolts/screws). This segmentation allows each component to be manufactured independently with standard tolerances, avoiding the need for complex welded joints while ensuring reliable assembly.
2Strength
If welding is used to join horizontal beams to vertical posts, then structural strength is improved, but manufacturing cost increases
Solution Approach 1:
The patent replaces expensive welding processes with simpler mechanical fastening using standard bolts or screws. This eliminates the need for specialized welding equipment, skilled welders, and post-weld finishing operations, significantly reducing manufacturing cost while maintaining structural integrity through reliable mechanical connections.
Solution Approach 2:
The invention changes the connection method from thermal joining (welding) to mechanical joining (bolting/screwing). This parameter change in the joining process transforms a high-cost, skill-intensive operation into a low-cost, easily performed assembly task using standard fasteners and drill holes.
3Strength
If welding is used to join horizontal beams to vertical posts, then structural strength is improved, but aesthetic finish deteriorates due to difficulty in achieving neat welds
Solution Approach 1:
The patent replaces welding with mechanical fastening, where the fasteners can be positioned on the rear face of the vertical post and hidden from view. This eliminates weld spots, burn marks, and uneven surfaces that compromise aesthetic finish, while the structural strength is maintained through proper fastener selection and installation.
Solution Approach 2:
The patent introduces fasteners (bolts or screws) as intermediary elements between the vertical post and horizontal beam. These fasteners serve as the connecting mechanism while allowing for clean, hidden joints that preserve the aesthetic appearance of the towel rail structure.
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 solution provides a cost-effective, aesthetically pleasing, and robust towel rail with clean lines and junctions, eliminating the need for welding and ensuring stability and ease of assembly, while allowing for the integration of a heating element for functionality.
Implementation Method 1
an elongate heating element which extends at least partially through the support and the beams
Data Source
AI summary
A method of assembling a towel rail having vertically extending, elongate, tubular supports opposed and spaced apart from each other, and spaced apart, horizontally extending, tubular beams, the method including: a) threading an elongate flexible heating element through a respective support; b) looping an appropriate length of the element through each hole of the support to form a plurality of looped sections; c) threading each looped section through a respective beam from the second end; d) inserting the second end of each beam through a respective hole of the respective support to bring an abutment surface of the second end into contact with an inner surface of the support; and e) locking the second end of each beam to the support by passing a fastener at least partially through the support to engage with a recess formed in the second end.