Slotted Spring Vibration Isolator With Through-Bore
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Solution Overview
Problem
Conventional vibration isolators lack a bore to accommodate prewired electrical harnesses and provide insufficient damping, requiring specialist tools for maintenance and being limited in environmental versatility.
Innovation Solution
A vibration damping device featuring a spring body with slots for axial, radial, and rotational movement, combined with a damping mechanism using a shaft and O-rings to absorb vibrations, allowing for flexible installation and easy maintenance without specialized tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional vibration isolator uses only an elastomer as spring element and vibration damper, then the device structure is simple, but the vibration damping capability is insufficient
Solution Approach 1:
The patent combines a metal spring body with elastomeric vibration dampers to create a hybrid vibration isolation system. The metal spring provides primary suspension while the elastomeric dampers provide additional vibration damping, achieving superior overall damping performance compared to using either component alone.
Solution Approach 2:
The invention uses composite construction by integrating different materials (metal spring and elastomeric dampers) with complementary properties. The metal spring offers high strength and elasticity, while the elastomeric material provides superior vibration damping, creating a composite system that leverages the advantages of both materials.
2Adaptability or versatility
If a conventional vibration isolator does not include a bore through the device, then the structure is simpler, but it cannot accommodate prewired electrical harnesses
Solution Approach 1:
The shaft component serves multiple functions: it provides structural support, acts as a mounting surface for the vibration isolator, and includes a through-bore that accommodates prewired electrical harnesses. This multi-functional design allows the same component to fulfill several roles without requiring additional separate parts.
3Reliability
If a conventional vibration isolator requires specialist servicing tools, then the device may have specialized functionality, but the ease of maintenance is reduced
Solution Approach 1:
The vibration isolator is designed with standard mounting features and a through-bore that allow for easy installation and maintenance using common tools. The modular design with replaceable dampers and the through-bore configuration enable technicians to service the device without requiring specialized proprietary tools, improving ease of repair.
4Adaptability or versatility
If a conventional vibration isolator is limited to specific environments, then the device design can be optimized for those conditions, but the adaptability to various environments is reduced
Solution Approach 1:
The vibration isolator incorporates a through-bore and standard mounting features that make it adaptable to various installation configurations and environmental conditions. The hybrid spring-damper design provides effective vibration isolation across different frequency ranges, enhancing its versatility for use in diverse applications and environments.
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
Effectively reduces unwanted vibrations in electronic components, accommodating prewired harnesses, and operates across various environments with minimal maintenance needs, ensuring durability and adaptability.
Implementation Method 1
a spring body extending along an axis, a plurality of slots formed in the spring body... wherein the plurality of slots provides axial, radial, and rotational movement of the spring body
Implementation Method 2
a damping mechanism configured to be positioned between the spring body and the shaft... wherein the damping mechanism provides damping of motion within the internal bore
Data Source
Figure 1
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AI summary
A vibration damping device (10) adapted to receive an electronic component and reduce vibration is provided. The vibration damping device (10) includes a spring body (12) extending along an axis, one or more slots (14) formed in the spring body (12), and a shaft (24) extending substantially coaxially within the spring body (12). The shaft (24) may include an internal bore (32) configured to extend substantially coaxially through the spring body (12) and shaft (24). The vibration damping device (10) further includes a damping mechanism (36) configured to be positioned between the spring body (12) and the shaft (24), wherein the one or more slots (14) provides flexible movement of the spring body (12) and the damping mechanism (36) provides the damping of motion within the internal bore (32).