Precision Balance Weighing Chamber Base with Side Cheeks
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Solution Overview
Problem
Existing precision balance systems face challenges in easy assembly and disassembly of weighing chamber bases and draft shields, which complicates cleaning and protection against contaminants and external influences.
Innovation Solution
A weighing chamber base with side cheeks that serve as locking elements, allowing easy attachment and detachment without tools, and a draft shield with a movable side panel guided by the weighing chamber base, ensuring reliable protection and easy access for cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the weighing chamber base is made removable for cleaning access, then ease of cleaning is improved, but reliability of protection against contaminants deteriorates
Solution Approach 1:
The weighing chamber base is divided into separable components: a base plate and side cheeks that can be detached from each other. This segmentation allows the base to be easily disassembled for cleaning while maintaining structural integrity and protective function when assembled. The side cheeks can be removed independently to access the weighing chamber for thorough cleaning.
Solution Approach 2:
The side cheeks serve as intermediary elements between the base plate and the weighing chamber. When attached, they provide protective enclosure; when detached, they enable cleaning access. The locking elements on the side cheeks provide a reliable mechanism to ensure proper reattachment, maintaining protection against contaminants while allowing easy removal for cleaning purposes.
2Reliability
If the side cheeks are extended beyond the weighing area to provide protection, then reliability of protection is improved, but ease of assembly and disassembly deteriorates
Solution Approach 1:
The side cheeks are designed with self-aligning features and simple locking elements that enable automatic engagement with the base plate. The locking elements snap into place when the side cheeks are positioned over the base plate, providing reliable attachment without requiring tools or complex assembly procedures. This self-service design maintains ease of assembly while extending the protective coverage.
3Ease of operation
If the draft shield is designed to be totally disassembled for cleaning, then ease of cleaning is improved, but device complexity increases
Solution Approach 1:
The side cheeks are merged with the base plate assembly, forming an integrated unit that can be detached as one component. This merging reduces the total number of separate parts compared to having completely separate draft shield components. The side cheeks with locking elements form a unified structure that simplifies the overall assembly while still enabling easy disassembly for cleaning access.
Data Source
AI summary
A weighing chamber base (34) for a precision balance (10) has a weighing base section (98) and two side cheeks (100), which extend perpendicularly from the weighing base section, and which are arranged on opposite edges (102) of the weighing base section outside the draft shield (12). Also, a draft shield (12) that has such a weighing chamber base (34), and has at least one side panel (26), which can be moved between an open position and a closed position. The side cheeks of the weighing chamber base form a section of the side walls (22) of the draft shield (12).