Holding body, heating apparatus and method
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Solution Overview
Problem
Existing holding bodies for heating elements face challenges in securely fixing heating elements under frequent temperature changes, leading to material fatigue and potential device failure, and require time-consuming and expensive assembly processes.
Innovation Solution
A holding body design featuring an outer and inner part with polygon profiles that deform elastically upon relative rotation, creating a spring force press fit to securely hold heating elements without the need for additional clamping, allowing for simpler and faster assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the side walls are crimped to clamp the heating element, then the heating element is securely held in position, but the plastic deformation of the side walls impairs the holding function under frequent temperature changes
Solution Approach 1:
The patent changes the mechanical state of the holding body by deforming it from an undeformed state to a deformed state, creating elastic stress that provides continuous contact pressure on the heating element. This elastic deformation allows the holding body to accommodate temperature changes without permanent damage, resolving the contradiction between secure holding and material fatigue.
2Reliability
If the diameter of the outer part is changed to assemble the holding body, then the inner part can be fixed securely, but the assembly process becomes time consuming and expensive
Solution Approach 1:
The patent uses parameter change by deforming the holding body into a deformed state during assembly, allowing the inner part to be inserted and then locked in place through elastic recovery. This eliminates the need for time-consuming diameter changes or additional fastening operations, achieving secure fixing with simplified assembly.
3Reliability
If additional fastening elements are used to secure the heating element, then the holding function is improved, but the device complexity increases
Solution Approach 1:
The holding body serves itself by utilizing its own elastic deformation to create the holding force. The deformed state of the holding body automatically generates contact pressure on the heating element through elastic stress, eliminating the need for additional fastening elements and reducing structural complexity while maintaining reliable holding function.
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 design ensures secure fixation and optimal heat transfer of heating elements, reducing material fatigue and assembly time, while maintaining contact pressure during temperature changes and improving heat transport efficiency.
Implementation Method 1
relative rotation between the inner part assembly and the outer part assembly causes the polygon profiles to deform elastically
Implementation Method 2
the induced mechanical stress, in particular due to a spring force, a press fit is formed in the area of the heating elements
Implementation Method 3
ensure good heat transfer
Implementation Method 4
improving heat transport efficiency
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The invention relates to a holding body for heating elements (10), in particular oval and round heating elements (10), comprising an outer part assembly (11) and an inner part assembly (12) which is arranged within the outer part assembly (11) and forms an elastic connection under mechanical tension with the outer part assembly (11), wherein the outer part assembly (11) and/or the inner part assembly (12) have/have several circumferentially distributed receptacles (13) in each of which a heating element (10) is arranged, and the outer part assembly (11) and the inner part assembly (12) each comprise a polygon profile (14, 14') with polygon corners (14a, 14a') and polygon sides (14b, 14b') which connect the polygon corners (14a, 14a').The invention is characterized in that the inner part assembly (12) and the outer part assembly (11) are rotatable relative to each other and are dimensioned such that, by a relative rotation between the inner part assembly (12) and the outer part assembly (11), the polygon profiles (14, 14') deform elastically in such a way that, in the assembled state, an interference fit is formed in the area of the heating elements (10) by the induced mechanical stress.