Wire Stripper Damping Assembly With Torsion Spring Simplification
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Solution Overview
Problem
Commercially available multi-functional wire strippers have complex and costly structures due to metallurgically integrated zinc alloy components and damping systems, making them cumbersome to operate and assemble.
Innovation Solution
A wire stripper design featuring a damping assembly with a torsion spring and damping seat, along with rotatable handles and movable plates, simplifies the structure and assembly process, using carbon steel for the stripping ends and mounting plates to reduce costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If metallurgically integrated zinc alloy components are used in wire strippers, then the structural strength is improved, but the manufacturing cost and assembly complexity increase
Solution Approach 1:
The wire stripper is divided into separate components: handles made of plastic and stripping blades made of metal, connected through mounting structures. This segmentation allows each component to be manufactured independently using suitable processes (injection molding for handles, metalworking for blades) and assembled through simple snap-fit or screw connections, eliminating the need for complex metallurgical integration while maintaining structural strength.
Solution Approach 2:
The mounting seats integrate multiple functions: they provide mechanical attachment for the stripping blades, structural support for the handles, and damping functionality through integrated rubber or elastomeric elements. By combining these functions into a single integrated component rather than requiring separate metallurgically bonded parts, the design simplifies assembly while maintaining strength.
2Reliability
If a damping structure with contact, return spring and knob is used, then the damping function is achieved, but the structure becomes complicated and operation becomes inconvenient
Solution Approach 1:
The damping function is extracted from the complex multi-component system (contact, return spring, knob) and implemented through a simplified elastomeric damping element integrated into the mounting seat. The elastomeric material provides both damping and return spring functionality in a single component, eliminating the need for separate adjustment mechanisms while maintaining reliable damping performance.
Solution Approach 2:
The elastomeric damping element automatically provides the required damping force and return spring action without requiring manual adjustment or complex mechanical linkages. The material's inherent viscoelastic properties enable it to self-regulate the damping force based on the applied load, eliminating the need for knobs or adjustable mechanisms.
3Object-generated harmful factors
If zinc alloy components with embedded powder are used, then wire stripping performance is improved, but manufacturing cost increases
Solution Approach 1:
The stripping blades are designed as replaceable, inexpensive metal components that can be manufactured through conventional metalworking processes. Rather than embedding expensive powder into zinc alloy, the blades use simple hardened steel or stainless steel construction that can be mass-produced through stamping or casting, significantly reducing manufacturing cost while maintaining effective wire stripping performance.
Solution Approach 2:
The stripping performance is optimized by adjusting parameters such as blade geometry, edge sharpness, and material hardness through conventional metalworking processes rather than relying on expensive powder metallurgy. The blade design incorporates optimized cutting angles and edge profiles that achieve effective wire stripping using readily available, low-cost metal materials.
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 simplified design results in a more convenient and cost-effective wire stripper with a stable structure, facilitating easier operation and assembly while maintaining effective wire stripping performance.
Implementation Method 1
the damping assembly comprises a damping seat and a torsion spring, the damping seat is connected to the right movable plate, the torsion spring is connected to the left movable plate
Implementation Method 2
the two torsion spring arms are opened and tightened by relative reciprocating sliding between the damping seat and the torsion spring arms
Data Source
AI summary
A wire stripper includes a right and left handle, the right and left handle are rotatably connected by a pin shaft, a jaw is provided on front surfaces of top portions of the right and left handle respectively, and a right and left movable plate are correspondingly provided on back surfaces of the top portions of the right and left handle respectively; and the wire stripper further comprises a damping assembly, the damping assembly comprises a damping seat and a torsion spring, the damping seat is connected to the right movable plate, the torsion spring is connected to the left movable plate, the torsion spring has two relatively opened torsion spring arms, the two torsion spring arms respectively abut against both sides of the damping seat, and the two torsion spring arms are opened and tightened by relative reciprocating sliding between the damping seat and the torsion spring arms.