Adjustable Hallux Corrector Knob Structure for Smooth Alignment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing hallux correctors suffer from fixed structures, poor adaptability, and often get stuck during adjustment due to high processing fit accuracy requirements, leading to discomfort and ineffective correction.
Innovation Solution
A hallux corrector design featuring a foot side support member, hallux support member, push member with a push plate, stud, and limit guide member, utilizing a threaded sleeve and knob for smooth adjustment without guide protrusions or grooves, ensuring stability and comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a threaded knob structure with guide protrusion and guide groove is used, then adjustment precision is improved, but the device gets stuck during operation and processing difficulty increases
Solution Approach 1:
The patent removes the guide protrusion and guide groove structures from the threaded knob mechanism. Instead of using interlocking guide features that cause sticking, the design allows the push rod to move freely within the threaded hole, extracting the guiding function while eliminating the sticking problem. The threaded connection itself provides sufficient guidance without requiring additional guide features.
Solution Approach 2:
Rather than using guide protrusions and grooves to constrain the push rod movement (traditional approach), the patent inverts the approach by allowing the push rod to move freely and using the threaded connection geometry itself to provide both rotational constraint and linear guidance. This inversion eliminates the sticking issue while maintaining adjustment precision.
2Measurement precision
If guide protrusion and guide groove are used in threaded knob structure, then adjustment accuracy is improved, but processing fit accuracy requirements increase
Solution Approach 1:
The patent extracts and removes the guide protrusion and guide groove features from the design. By eliminating these interlocking guide features, the processing fit accuracy requirements are significantly reduced. The threaded connection alone provides sufficient guidance and constraint without requiring high-precision machining of additional guide features.
3Ease of manufacture
If a fixed structure hallux corrector is used, then manufacturing simplicity is improved, but adaptability to different foot shapes and deformity degrees deteriorates
Solution Approach 1:
The patent transforms the fixed structure into a dynamic, adjustable structure. The hallux support plate can be adjusted relative to the foot side support plate through the threaded knob mechanism, allowing the device to adapt to different foot shapes and deformity degrees. This dynamic adjustment capability is achieved while maintaining manufacturing simplicity by using standard threaded connection components.
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
Enables personalized correction schemes with accurate adjustment, improved comfort, and ease of use, preventing sticking during operation, and accommodating various foot shapes and deformity degrees.
Implementation Method 1
the threaded sleeve is screwed to the stud; when the stud moves axially relative to the threaded sleeve
Data Source
AI summary
This disclosure provides a hallux corrector, including: a foot side support member configured to be worn on a sole; a hallux support member configured to be worn on a hallux, where the hallux support member is rotatably connected to one end of the foot side support member; a push member, including a push plate as well as a stud and a limit guide member that are vertically arranged on the push plate; and a knob, where the knob includes a threaded sleeve, and the threaded sleeve is screwed to the stud. The limit guide member slidably penetrates into the foot side support member. The threaded sleeve is defined at one side of the foot side support member. When the threaded sleeve is rotated, the stud moves axially relative to the threaded sleeve, the foot side support member and the hallux support member as a whole to the push plate changes.