Toe Correction Bushing With Standardized Damping Mechanism
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Solution Overview
Problem
Conventional toe correction bushings integrate the toe correction mechanism and liquid-sealed damping mechanism, making it difficult to standardize the damping mechanism across various vehicle models, which complicates assembly and increases costs, while also requiring enhanced retaining strength to withstand impact stress.
Innovation Solution
A toe correction bushing design featuring a tubular damping mechanism with liquid chambers and an orifice passage, where the damping mechanism is inserted and fixed into a retaining cylinder, allowing for independent assembly and standardization, with an outer elastic body connecting the outer and retaining cylinders, and an inner elastic body between the inner and retaining cylinders, enhancing retaining strength.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the toe correction mechanism and liquid-sealed damping mechanism are integrally formed, then the structural strength is improved, but the ease of manufacture and standardization deteriorates
Solution Approach 1:
The bushing is divided into multiple independent components: toe correction mechanism (10), damping mechanism (20), and intermediate mechanism (30). Each component can be manufactured and standardized separately, then assembled together. This segmentation allows the damping mechanism to be standardized across different vehicle models while maintaining sufficient structural strength through proper connection interfaces.
2Ease of manufacture
If the damping mechanism is made independent for standardization, then the ease of manufacture is improved, but the retaining strength deteriorates
Solution Approach 1:
The damping mechanism (20) is nested within the intermediate mechanism (30), which in turn is nested within the toe correction mechanism (10). This nested structure allows the independent damping mechanism to be standardized and easily manufactured, while the surrounding intermediate mechanism provides additional structural support and ensures sufficient retaining strength through the hierarchical assembly.
3Productivity
If the damping mechanism is standardized across vehicle models, then the productivity is improved, but the adaptability deteriorates
Solution Approach 1:
The damping mechanism (20) is designed as a universal component that can be applied across different vehicle models. The standardized damping mechanism maintains its core vibration-damping function while the surrounding intermediate mechanism (30) and toe correction mechanism (10) can be adjusted to accommodate different vehicle-specific requirements, thus achieving both standardization and adaptability.
4Ease of operation
If the damping mechanism is made modular for easy assembly, then the ease of operation is improved, but the retaining strength deteriorates
Solution Approach 1:
The damping mechanism (20) is pre-assembled as a complete functional unit with the intermediate mechanism (30) before installation into the toe correction mechanism (10). This preliminary assembly ensures proper positioning and connection, making the overall assembly process easier while maintaining retaining strength through pre-configured connection interfaces that are optimized for both ease of assembly and structural integrity.
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
This design simplifies the assembly of the damping mechanism, ensures retaining strength, and allows for cost-effective standardization of the damping mechanism across different vehicle models, improving manufacturing efficiency and durability.
Implementation Method 1
a liquid-sealed structure which is provided inside the bushing. The liquid-sealed structure functions as a damping mechanism which damps a vibration of a force converted into the front and rear direction of the vehicle
Implementation Method 2
an outer elastic body which connects the outer cylinder and the retaining cylinder to each other. In the toe correction bushing, the damping mechanism includes an inner elastic body which is located between the inner cylinder and the retaining cylinder in the radial direction
Data Source
AI summary
A toe correction bushing including: an inner cylinder; a tubular damping mechanism which surrounds the inner cylinder; a retaining cylinder which surrounds the damping mechanism; an outer cylinder which surrounds the retaining cylinder; and an outer elastic body which connects the outer cylinder and the retaining cylinder. The retaining cylinder includes a bottom plate portion which extends inward in a radial direction from an end portion of the retaining cylinder on one side of an axial direction and a crimped portion which is located at an end portion on the other side of the axial direction and is crimped on the inside of the radial direction. The outer cylinder includes a facing surface which faces the one side of the axial direction and faces a part of a vehicle body. The facing surface is provided with a cushioning elastic body.