Visual Tweezers with Acute Angle Slots for Dark Spaces
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Solution Overview
Problem
Conventional tweezers are difficult to operate precisely in dark and narrow spaces such as the ear canal or throat due to reliance on manual control and lack of visual feedback, leading to imprecise actions.
Innovation Solution
The development of visual tweezers featuring a clamping structure with rotatably connected arms and a push block for controlled opening and closing, integrated with a camera and drive motor for real-time angle adjustment, enabling precise operation in dark environments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual control is used to operate tweezers, then the structure remains simple, but precision in dark and narrow spaces deteriorates
Solution Approach 1:
A camera is integrated into the tweezers to capture real-time images of the operating area, providing visual feedback to the operator. This enables precise control in dark and narrow spaces by allowing the operator to see the actual position and movement of the tweezers tips, thereby resolving the contradiction between operational precision and structure complexity.
Solution Approach 2:
The manual mechanical control of tweezers is supplemented with a motorized driving mechanism that can be controlled remotely. This substitution allows for more precise control through electronic actuation rather than purely mechanical manual manipulation, improving operational precision while accepting increased device complexity.
2Adaptability or versatility
If the operating space is narrow and dark, then the application scope is expanded, but the ease of operation deteriorates
Solution Approach 1:
The integrated camera provides real-time visual feedback of the narrow and dark operating space, allowing the operator to see and control the tweezers precisely even in difficult-to-reach areas. This feedback mechanism compensates for the lack of natural light and spatial constraints, maintaining ease of operation while expanding adaptability to narrow spaces.
Solution Approach 2:
The camera acts as an intermediary between the operator and the dark, narrow operating space. It translates the invisible or hard-to-see environment into visible images that can be displayed to the operator, thereby mediating the interaction and improving ease of operation in previously inaccessible areas.
3Manufacturing precision
If the clamping structure uses acute angle sliding slots, then the control precision is improved, but the device complexity increases
Solution Approach 1:
The sliding slots are designed with asymmetric acute angle geometries rather than simple parallel or right-angle configurations. This asymmetric design creates a mechanical advantage that translates small movements of the push block into precise, controlled movements of the clamping arms, improving clamping control precision while the complexity is managed through the elegance of the geometric design.
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 visual tweezers allow for precise control and operation in dark and narrow spaces by providing visual feedback and motorized adjustment of clamping arm angles, enhancing operational precision and convenience.
Implementation Method 1
a screw rod is arranged at one end of the rotating shaft away from the drive shaft, and the screw rod and the drive shaft are coaxially arranged; and the shaft sleeve is screwed with the rotating shaft through the screw rod
Data Source
AI summary
The present disclosure provides visual tweezers, includes a first shell, a first clamping arm rotatably connected to an end portion of the first shell, a second clamping arm rotatably connected to an end portion of the first shell and forming a clamping structure with the first clamping arm, and a push block slidably connected to the first clamping arm and the second clamping arm and configured to control opening and closing angles of the first clamping arm and the second clamping arm during sliding, wherein a first sliding slot is formed in the first clamping arm; a second sliding slot is formed in the second clamping arm; an angle between an extending direction of the first sliding slot and an extending direction of the second sliding slot is an acute angle.