Two-Piece Portable Chopstick Aligning Structure for Joint Stability
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Solution Overview
Problem
Conventional portable chopsticks, whether made of bamboo or plastic, face issues such as environmental impact, misalignment of two-piece designs leading to loose joints, and inconvenience in portability and storage due to fixed lengths.
Innovation Solution
A two-piece portable chopstick design featuring a chopstick body aligning structure with a lower end joint block and an upper end joint groove, allowing for precise alignment and locking of square or polygonal chopsticks, which can be made of different materials, ensuring secure engagement and easy assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional two-piece chopsticks are designed without an aligning structure, then the device complexity is reduced, but the jointing parts become misaligned and loose during use
Solution Approach 1:
The aligning structure includes protrusions and recesses that are pre-formed on the chopstick bodies before use. These preliminary structural features guide the alignment process and ensure proper positioning when the chopsticks are joined, preventing misalignment without requiring complex adjustment mechanisms during use.
Solution Approach 2:
The aligning structure enables the chopsticks to self-align through their own geometric features (protrusions fitting into recesses). The design allows the chopstick bodies to automatically position themselves correctly when joined, eliminating the need for external alignment tools or complex adjustment mechanisms.
2Ease of operation
If two-piece chopsticks are designed with a locking mechanism, then the portability is improved, but the jointing parts easily turn loose due to misalignment
Solution Approach 1:
The locking mechanism utilizes asymmetric geometric features where protrusions on one chopstick body fit into corresponding recesses on the other. This asymmetric design ensures that the pieces lock together in a specific orientation, preventing them from turning loose while maintaining ease of assembly and disassembly for portability.
3Ease of operation
If chopsticks are made as integral one-piece design, then the manufacturing precision is maintained, but the portability and storage convenience are reduced
Solution Approach 1:
The chopsticks are divided into two separate pieces that can be stored independently, improving portability. The segmentation is compensated for by incorporating an aligning structure with geometric features that ensure precise alignment when the pieces are joined, maintaining the functional integrity of the chopsticks.
4Adaptability or versatility
If two-piece chopsticks are designed without material differentiation, then the manufacturing process is simplified, but the adaptability to different usage requirements is reduced
Solution Approach 1:
The design allows different materials to be used for the upper and lower chopstick bodies, enabling each piece to be optimized for its specific function. For example, the lower piece can be made from a material suitable for food contact while the upper piece can be made from a material optimized for grip and comfort, with the aligning structure facilitating their precise assembly.
Data Source
AI summary
A portable chopstick including two-piece square chopsticks is provided. The two-piece square chopsticks include an upper chopstick body, a lower chopstick body and a chopstick body aligning structure. The upper chopstick body has a lower end joint block; the lower chopstick body has an opposite upper end joint groove. The chopstick body aligning structure can be separated into two parts, which are precisely positioned in the upper chopstick body and the lower chopstick bod respectively, wherein the upper chopstick body and the lower chopstick body can be made of different materials. When the lower end joint block of the upper chopstick body is locked with the upper end joint groove of the lower chopstick body, the upper chopstick body is aligned with the lower chopstick body through the chopstick body aligning structure at their four sides.