Adjustable Brake Housing for Motor Vehicle Flap Tolerance Control
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Solution Overview
Problem
Existing brake arrangements for motor vehicle flaps are costly due to exacting braking force tolerances, which are influenced by manufacturing tolerances, and fail to account for potential adjustments needed during aging or installation.
Innovation Solution
A brake arrangement with an adjustable housing design, featuring a rotatable connecting element and a mechanism allowing for adjustable frictional engagement between housing parts, enabling precise braking force adjustment through screwing or quarter-turn fastener mechanisms, thus compensating for manufacturing tolerances and allowing for readjustment during use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional brake arrangements with fixed housing are used, then manufacturing simplicity is maintained, but braking force tolerances become difficult to control due to manufacturing variations
Solution Approach 1:
The housing is designed with adjustability, allowing the relative position between first and second housing parts to be changed. This enables the braking force to be adjusted after manufacturing, compensating for manufacturing tolerances and achieving precise braking force control without requiring extremely tight manufacturing tolerances on all components.
Solution Approach 2:
The braking force parameter can be changed by adjusting the relative position of the first and second housing parts. This allows the brake arrangement to adapt to different braking force requirements and compensate for manufacturing variations by modifying the geometric parameters of the housing assembly.
2Adaptability or versatility
If fixed brake arrangements are used, then device simplicity is maintained, but adaptability to manufacturing variations and aging is reduced
Solution Approach 1:
The adjustable housing design allows the brake arrangement to adapt to manufacturing variations and aging effects. The relative position between housing parts can be modified to maintain proper braking force over time, providing long-term adaptability without requiring complete redesign of the brake system.
Solution Approach 2:
The housing structure serves multiple functions: it provides structural support, accommodates the brake elements, and enables adjustment of the braking force. This multi-functionality reduces the need for separate adjustment mechanisms while maintaining adaptability.
3Manufacturing precision
If adjustable housing design is implemented, then braking force can be precisely controlled, but manufacturing complexity increases
Solution Approach 1:
The housing is divided into separate first and second housing parts that can be manufactured independently using standard manufacturing processes. This segmentation allows each part to be produced with conventional tolerances, and the precise braking force control is achieved through the adjustable assembly of these parts rather than requiring tight tolerances on all components.
Solution Approach 2:
The adjustable housing design allows preliminary adjustment to be performed during assembly or installation. This enables the braking force to be set precisely at the time of assembly, compensating for any manufacturing variations that occurred during production of individual components.
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 allows for precise braking force control at lower manufacturing costs, ensuring safety and reliability by accommodating manufacturing variations and allowing for adjustments over time, thereby reducing the risk of unintentional flap closure.
Implementation Method 1
The brake arrangement is a frictionally engaged brake arrangement, as a result of which the adjustability is configured in a particularly simple manner. Specifically, it is proposed in an embodiment that at least two brake elements are pretensioned on one another in an adjustable manner, thus resulting in the adjustability of the resulting braking force.
Data Source
AI summary
The application relates to a brake arrangement for braking a flap of a motor vehicle, wherein a connecting element, which is rotatable in a braked manner about a brake axis, for releasing the braking force is provided. It is proposed that a housing accommodating the connecting element and having a first housing part and a second housing part is provided, and that the braking force is adjustable by means of an adjustment movement of the two housing parts with respect to each other.