Annular Spring Rubber Seat for Suspension Dislocation Prevention
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Solution Overview
Problem
The existing spring rubber seats in vehicle suspensions are prone to dislocation due to the expansion and contraction of the coil spring, leading to increased outer diameter and friction with the spring seat, resulting in noise and potential damage.
Innovation Solution
A spring rubber seat with an annular shape, featuring an arc seat portion, link portions, and a rib structure to maintain stability and prevent dislocation, is designed to resist deformation and maintain contact with the spring seat even when the suspension spring expands or contracts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the spring rubber seat is formed in an arc shape with an opening, then it can accommodate the coil spring, but the opening widens when the spring expands causing dislocation from the spring seat
Solution Approach 1:
The spring rubber seat is divided into a seat portion (arc-shaped section) and a link portion (connecting section). The seat portion accommodates the coil spring while the link portion bridges the gap between arc ends, preventing dislocation by providing structural connectivity that resists widening forces.
Solution Approach 2:
The seat portion and link portion are merged into a single integrated spring rubber seat component. This combination allows the structure to simultaneously provide spring accommodation and maintain positional stability, as the link portion reinforces the overall structure against expansion-induced dislocation.
2Strength
If the coil spring is compressed and outer diameter increases, then it provides elastic support, but the spring rubber seat outer diameter increases causing dislocation from spring seat
Solution Approach 1:
By segmenting the spring rubber seat into seat and link portions, the structure can locally accommodate spring expansion in the seat portion while the link portion maintains overall structural integrity and prevents dislocation from the spring seat.
Solution Approach 2:
The spring rubber seat utilizes the elastic properties of rubber material to allow controlled deformation during spring compression while maintaining structural coherence. The flexible material absorbs expansion forces without causing dislocation, combining elasticity with positional stability.
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 annular shape and rib structure effectively prevent dislocation and reduce noise by maintaining contact with the spring seat, enhancing durability and reducing the risk of damage from foreign objects.
Implementation Method 1
a spring rubber seat formed of an elastic material such as rubber and interposed between a coil spring that elastically supports a chassis and a spring seat that supports the coil spring
Data Source
AI summary
A spring rubber seat provided between a spring formed by winding a wire rod to elastically support a chassis and a spring seat where the spring is placed. The spring rubber seat includes an arc seat portion having a seat surface where the spring is seated; and a link portion that links one circumferential end with the other circumferential end of the seat portion to make the spring rubber seat in an annular shape.