Threaded Spring Seat Interface for Versatile Chassis Height Adjustment
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Solution Overview
Problem
Existing height-level adjustment systems for motor vehicle chassis are costly to produce and require significant adaptation for different vehicle types and installation positions.
Innovation Solution
A height-level adjustment system featuring a spring seat with a threaded sleeve and ring, where the connecting element is designed as a separate, cost-effectively adaptable component, allowing for easy attachment to various vehicle bodies without altering the entire spring seat design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the spring seat is designed with a custom connecting element for each installation position or vehicle type, then the attachment reliability is improved, but the manufacturing cost increases significantly
Solution Approach 1:
The connecting element is designed as a universal component that can be used across different vehicle types and installation positions. The standardized connecting element with thread connection and mounting hole can be attached to various spring seats and vehicle bodies, eliminating the need for custom-designed connecting elements for each application, thus reducing manufacturing costs while maintaining reliable attachment.
Solution Approach 2:
The spring seat assembly is segmented into separate functional components: the spring seat body, the spring mounting structure, and the connecting element. This segmentation allows the connecting element to be independently standardized and reused across different applications, while other parts can be customized as needed, resolving the contradiction between reliability and manufacturing cost.
2Adaptability or versatility
If the spring seat is customized for each vehicle type and installation position, then the adaptability is improved, but the device complexity increases
Solution Approach 1:
The connecting element serves as a universal interface that enables the spring seat to be adapted to different vehicle types and installation positions without requiring custom design of the entire spring seat. The standardized thread connection and mounting geometry provide versatility while keeping the overall device complexity low.
Solution Approach 2:
The adaptability function is extracted from the spring seat body and embodied in the separate, standardized connecting element. This extraction allows the spring seat design to remain simple and standardized while achieving adaptability through the interchangeable connecting element that can be configured for different applications.
3Ease of manufacture
If a standardized connecting element is used across different spring seats, then the ease of manufacture is improved, but the precision of attachment may worsen
Solution Approach 1:
The connecting element is designed as a simple, standardized component that prioritizes ease of manufacture and interchangeability. While not highly precise, it provides sufficient attachment precision for the application through standardized thread connections and mounting geometries, accepting some precision limitation in exchange for significant manufacturing simplification and cost reduction.
Solution Approach 2:
The standardized connecting element uses fixed geometric parameters (thread pitch, diameter, mounting hole positions) that are optimized for general use. These parameters provide adequate attachment precision for most applications while enabling mass production and simplification, resolving the trade-off between manufacturing ease and attachment precision.
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 system enables simple and cost-effective production, allowing for attachment to different vehicle types and installation positions, thereby reducing production costs and enhancing versatility.
Implementation Method 1
a threaded sleeve which is attached coaxially with respect to the spring and has an external thread, and a threaded ring, which is attached to the threaded sleeve, with an internal thread which interacts with the external thread of the threaded sleeve
Data Source
AI summary
A height-level adjustment system for a chassis of a motor vehicle comprises a spring and a spring seat against which the spring lies at one end, the spring seat including a threaded sleeve which is attached coaxially with respect to the spring and has an external thread and a threaded ring, which is attached to the threaded sleeve, with an internal thread which interacts with the external thread of the threaded sleeve, wherein the spring seat has a connecting element which is attached to the threaded sleeve for connecting the spring seat to the body of a motor vehicle.