Rotary Laser Core Structure for Impact-Resistant Leveling Pins
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Solution Overview
Problem
Conventional laser levels are prone to damage, particularly to the core structure and leveling pins, due to impacts such as drops or debris, leading to reduced durability and accuracy.
Innovation Solution
The laser level incorporates pin retainers and specific dimensions for the leveling pins to distribute impact forces across multiple pins, reducing deformation and improving durability by spreading the load.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional laser levels are used without pin retainers, then the device structure is simpler, but the core structure and leveling pins are prone to damage from impacts
Solution Approach 1:
The core structure is divided into multiple leveling pins (first, second, third, and fourth leveling pins) that are distributed around the core. Each pin is independently retained by pin retainers, allowing the structure to segment and distribute impact forces across multiple discrete points rather than concentrating stress on a single component, thereby improving durability while maintaining manageable structural complexity
Solution Approach 2:
Pin retainers are installed on the core structure before use to provide protective support for the leveling pins. These retainers act as pre-positioned protective elements that cushion and distribute impact forces before damage can occur to the leveling pins or core structure, preventing deformation and maintaining accuracy during accidental drops or impacts
2Reliability
If impact forces are concentrated on single leveling pins, then the structure is simpler, but deformation increases by 70-80%
Solution Approach 1:
The load distribution system segments the impact force into multiple pathways by using four separately positioned leveling pins with individual pin retainers. This segmentation ensures that when an impact occurs, the force is divided among multiple pins rather than concentrated on one, reducing deformation by 70-80% and maintaining leveling accuracy while the pin retainer system provides the necessary structural framework
Solution Approach 2:
Each leveling pin location is equipped with its own pin retainer providing localized protection and support. This local quality approach ensures that each pin has dedicated structural support at its specific position on the core, allowing the system to handle localized impacts effectively while maintaining overall structural integrity and reducing deformation across all pins
3Reliability
If pin retainers are added to distribute impact forces, then deformation is reduced by 70-80%, but the device complexity increases
Solution Approach 1:
The pin retainers serve multiple functions simultaneously: they provide structural support for the leveling pins, distribute impact forces across multiple pins, prevent pin displacement during operation, and maintain the geometric relationships between pins. This multi-functionality justifies the added components by delivering comprehensive protection and operational reliability rather than simply adding complexity for a single purpose
Data Source
AI summary
Various laser level designs including an improved core structure are shown. In one example, the laser level includes housing, a core structure, and a laser generator positioned within the cores structure and/or the housing. The core structure further includes a plurality of leveling pins allowing for leveling in one or more directions and one or more pin retainers coupled to and extending between the leveling pins.