Pinball Lock Cylinder with Segmented Anti-Bypass Pin Design
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Solution Overview
Problem
Existing pinball locks can be easily unlocked using vibrating tools, master keys, and other simple tools, compromising safety and reliability.
Innovation Solution
The pinball lock cylinder set features stainless steel upper and lower pinballs, a short lower pinball in a shallow cavity, and special-shaped upper pinballs to prevent drilling and bypass tools, reducing the lock's rotation angle and increasing unlocking difficulty.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional pinball lock structure is used, then ease of operation is maintained, but reliability deteriorates due to vulnerability to vibrating tools and master keys
Solution Approach 1:
The pinball structure is segmented into different types: stainless steel pinballs for drilling resistance, short pinballs in shallow cavities for bypass tool prevention, and irregular-shaped pinballs for hook tool resistance. Each segment addresses specific vulnerability areas, transforming the monolithic pinball structure into a multi-functional defense system.
Solution Approach 2:
Different regions of the lock cylinder have different pinball configurations tailored to specific threats. The shallow cavity area addresses bypass tool vulnerability, while the upper pinball area addresses hook tool vulnerability. This localized customization of pinball types and positions optimizes security against specific attacking methods in specific locations.
2Reliability
If stainless steel pinballs are used, then resistance to drilling tools is improved, but manufacturing complexity increases
Solution Approach 1:
The material parameter of the pinballs is changed from traditional materials to stainless steel, fundamentally altering the drilling resistance characteristic. This parameter change transforms the pinballs from easily penetrable to drilling-resistant, directly addressing the security improvement goal.
Solution Approach 2:
The lock cylinder employs a composite approach with different pinball materials and configurations - stainless steel pinballs for drilling resistance, combined with traditional pinball structures for other functions. This composite material strategy optimizes both security and manufacturability by applying advanced materials only where needed.
3Reliability
If short lower pinball in shallow cavity is added, then resistance to bypass tools is improved, but device complexity increases
Solution Approach 1:
The short lower pinball is nested within a shallow cavity in the lock cylinder body, creating a compact integrated structure. This nesting approach allows the additional security feature to be incorporated without significantly increasing overall device complexity, as the pinball fits within the existing structural envelope.
4Reliability
If irregular-shaped upper pinballs are used, then resistance to hook tools is improved, but ease of operation may be affected
Solution Approach 1:
The upper pinballs are designed with asymmetric irregular shapes rather than symmetric traditional shapes. This asymmetry creates geometric interlocking with the lock cylinder that resists hook tools while maintaining operational functionality, as the asymmetric shapes still engage properly with the key mechanism during authorized unlocking.
Data Source
AI summary
The present invention relates to the technical field of locks, and specifically to an anti-technical unlocking pinball lock cylinder set, comprising a lock shell and a lock cylinder arranged in the lock shell, wherein inside the lock cylinder are provided lower pinball cavities, inside the lock shell are provided upper pinball cavities, above upper pinballs are provided springs, above the springs is provided a cover plate, the lower pinball cavities comprise at least one shallow cavity, inside the at least one shallow cavity is provided at least one short lower pinball, upper pinballs comprise at least one stainless steel upper pinball which forms at least one stainless steel pinball set with at least one stainless steel lower pinball corresponding to same positions below, and remaining upper pinballs which are special-shaped upper pinballs. The present invention improves structures of internal cavities and upper and lower pinballs, so as to avoid the risk of using various tools to unlock, improve the reliability and value of the lock, and provide protection for people's property and personal safety.