C-Shaped Stabilizer Bar Attachment with Anti-Slippage Features
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing movement restriction members for stabilizer bars in vehicles face challenges in securely attaching to the bar without axial displacement, requiring improved workability and machinability to prevent interference with vehicle accessories and ensure driving stability.
Innovation Solution
A semi-finished product with a letter C shape, featuring a plate-shaped bridge portion and curved portions with lock mechanisms, is securely attached to the stabilizer bar using dies and anti-slippage materials to prevent axial displacement, enhancing workability and machinability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the movement restriction member is securely attached to prevent axial displacement, then the reliability of the stabilizer bar is improved, but the ease of manufacture and workability deteriorate
Solution Approach 1:
The semi-finished product is prepared in advance with a C-shaped configuration and anti-slippage portions formed on its inner circumferential surface before attachment. This preliminary preparation enables the attachment process to proceed more smoothly by pre-establishing the geometric features needed for secure fitting, thus improving both reliability and ease of manufacture
Solution Approach 2:
Anti-slippage material is introduced as an intermediary substance between the semi-finished product and the stabilizer bar. This material fills gaps and enhances friction, ensuring reliable attachment while simplifying the attachment process itself, thereby resolving the contradiction between attachment reliability and ease of manufacture
2Ease of manufacture
If the semi-finished product is easily attached with improved workability, then the ease of manufacture is improved, but the risk of defective products and axial displacement increases
Solution Approach 1:
Anti-slippage portions are locally formed on specific regions of the inner circumferential surface of the semi-finished product, rather than uniformly across the entire surface. This localized approach maintains ease of attachment while ensuring precision at critical contact points where displacement prevention is most needed
Solution Approach 2:
The anti-slippage material acts as a mediator that compensates for minor misalignments and variations in the attachment process. It enables easy attachment while maintaining manufacturing precision by ensuring consistent friction and contact pressure across the interface
3Reliability
If the movement restriction member prevents axial displacement securely, then the driving stability is improved, but the device complexity increases
Solution Approach 1:
The movement restriction member is segmented into a C-shaped semi-finished product that can be divided into manageable portions. This segmentation allows the member to flexibly conform to the stabilizer bar while maintaining structural integrity, achieving driving stability without excessive complexity
Solution Approach 2:
Instead of making the stabilizer bar itself complex to prevent axial displacement, the solution inverts the approach by adding the C-shaped semi-finished product with anti-slippage features onto the simple cylindrical stabilizer bar. This maintains the simplicity of the main structure while achieving the required 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 solution effectively secures the semi-finished product to the stabilizer bar without axial displacement, improving workability and preventing defective attachments, thus enhancing driving stability and reducing noise interference.
Implementation Method 1
an anti-slippage portion 38... is pressed and attached on an anti-slippage material 40 provided on the outer circumferential surface of the stabilizer bar
Data Source
AI summary
A semi-finished product (31) includes a first curved portion on one end of a plate-shaped bridge portion (33), and a second curved portion (37) on the other end of the bridge portion (33). The second curved portion (37) includes at the end a second lock portion (51) to lock with a first lock portion (41). The bridge portion (33) and the inner circumferential surfaces of the first and second curved portions (35, 37) are pressure-contacted and caulked on the outer circumferential surface of the stabilizer bar (11) by first and second dies (61, 62). At least one of the inner circumferential surfaces (31c) of the first and second curved portions (35, 37) and the outer circumferential surface of the stabilizer bar opposed to the inner surfaces (31c) is formed with an anti-slippage portion (38). The inner circumferential surfaces (31c) of the first and second curved portions (35, 37) and the outer circumferential surface of the stabilizer bar (11) have an anti-slippage material (Co) therebetween.