Thermotherapy Device Integrally Molded Guide Rails Assembly
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Solution Overview
Problem
Conventional thermotherapy devices face inefficiencies due to separately manufactured guide rails, which increase assembly complexity, reduce productivity, and elevate costs, while also presenting challenges in size adjustment and storage convenience.
Innovation Solution
The guide rails are integrally molded during the injection molding of the second housing, with inclined slide parts and transfer rollers to enhance stability, and a limit switch for automatic direction switching, along with a foldable design for improved mobility and storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If guide rails are separately manufactured and mounted in the housing frame, then the guide rails can be independently replaced and adjusted, but assembly complexity increases and productivity decreases
Solution Approach 1:
The guide rails are integrally molded with the housing frame as a single unit during injection molding, eliminating the need for separate manufacturing and assembly steps. This merging of components simplifies the overall structure, reduces assembly complexity, and improves productivity while maintaining the functional requirements of the guide rails.
Solution Approach 2:
The housing frame serves multiple functions: it provides structural support, contains the guide rails, and acts as the mounting structure for other components. By making the housing frame multi-functional and integrating the guide rails into it, the number of separate parts is reduced, simplifying assembly while preserving replaceability and adjustability features.
2Ease of manufacture
If guide rails are separately manufactured, then they can be replaced independently, but additional manufacturing cost is required
Solution Approach 1:
The guide rails are integrally molded with the housing frame as a single unit during injection molding, eliminating the need for separate manufacturing and assembly steps. This merging of components simplifies the overall structure, reduces assembly complexity, and improves productivity while maintaining the functional requirements of the guide rails.
Solution Approach 2:
The guide rails are pre-formed as integral parts of the housing frame during the injection molding process itself, rather than being manufactured separately and assembled later. This preliminary action eliminates subsequent assembly steps, improving productivity and reducing manufacturing costs.
3Stability of the object's composition
If the bed size is fixed, then the structural integrity is maintained, but transportation and storage become inconvenient
Solution Approach 1:
The bed structure incorporates foldable components that allow it to change from a fixed extended configuration to a compact folded configuration. This dynamic capability enables the bed to maintain structural integrity during use while becoming compact for transportation and storage, improving ease of operation without compromising stability.
Solution Approach 2:
The bed is divided into separable sections that can be folded or detached from each other. This segmentation allows the bed to be disassembled into smaller units for convenient transportation and storage while maintaining full functionality and structural integrity when assembled for use.
Data Source
AI summary
Provided is a thermotherapy device, which includes a first housing (10), a second housing (20) disposed under the first housing (10), a transfer plate (30), at both sides of which transfer rollers (31) are provided, and a pair of guide rails (40) that is provided to the second housing (20) and on which the respective transfer rollers (31) of the transfer plate (30) are placed. The pair of guide rails (40) are integrally molded when the second housing (20) is injection-molded. Thus, since the guide rails on which the transfer rollers of the transfer plate travel are integrally molded when the second housing is injection-molded, inefficiency caused by mounting separate rails as in the related art is removed, and thereby assemblability, productivity, and economic efficiency of the thermotherapy device can be improved.