Hook Coupling Assembly for Adaptable Vehicle Pedal Fastening
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Solution Overview
Problem
Existing coupling devices for fastening actuators to vehicle pedals require complex, force-locking installations that are not adaptable to the varying geometries of different vehicle models and manufacturers, leading to inefficient and unsafe fastening.
Innovation Solution
A coupling device with adjustable, hook-shaped coupling elements that engage around the actuating member in a form-fitting manner, allowing for easy adaptation to different geometries through length variability and positional adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a force-locking installation method is used to fasten the coupling device to the pedal, then the fastening strength is improved, but the device complexity and installation difficulty increase
Solution Approach 1:
The coupling device is divided into a base body and separate hook-shaped coupling elements. The coupling elements can be positioned around the pivot arm and secured with fastening elements, separating the fastening function from the base body structure. This segmentation allows for simpler installation while maintaining strong fastening.
Solution Approach 2:
Instead of forcing the pivot arm into a complex mounting structure, the coupling elements are positioned around the pivot arm in reverse engagement. The hook-shaped elements wrap around the pivot arm, and fastening elements secure them from the outside, inverting the traditional inside-out mounting approach.
2Manufacturing precision
If a fixed-geometry coupling device is used, then the manufacturing precision is improved, but the adaptability to different vehicle models decreases
Solution Approach 1:
The coupling elements are designed with adjustable positioning capabilities along the pivot arm. The fastening elements can be positioned at different locations to accommodate varying pedal geometries across different vehicle models, providing dynamic adaptability while maintaining precise coupling engagement.
Solution Approach 2:
The hook-shaped coupling elements serve multiple functions: they engage around the pivot arm, provide form-fitting engagement, and allow adjustment for different geometries. This universal design enables the same coupling device to work with various pedal types across different vehicle models.
3Reliability
If a complex mounting procedure is used to secure the coupling device to the pedal, then the reliability of fastening is improved, but the assembly time increases
Solution Approach 1:
The coupling elements are pre-positioned around the pivot arm in a form-fitting manner before final securing. This preliminary engagement ensures proper alignment and positioning, making the final fastening with fastening elements quicker and more reliable without requiring complex adjustment procedures.
4Force
If the coupling device requires force-locking fastening, then the connection strength is improved, but the ease of operation decreases
Solution Approach 1:
The hook-shaped coupling elements are designed to self-position around the pivot arm through their geometry. The form-fitting engagement automatically aligns the coupling elements with the pivot arm, eliminating the need for forced insertion or complex alignment procedures during installation.
Data Source
AI summary
A coupling device for fastening an actuator to an actuating member has a basic body, on which a hook-shaped first coupling element and a hook-shaped second coupling element are arranged. The first coupling element has a first leg projecting from a rear side of the basic body, and a second leg extending transversely with respect to the first leg. In the mounted state of the coupling device, the first leg is arranged laterally with respect to the actuating member and the second leg is arranged behind the actuating member. The at least one second coupling element has a first leg projecting from one side of the basic body, and a second leg extending transversely with respect to the first leg. In the mounted state the first hook-shaped coupling element and the second hook-shaped coupling element engage around the actuating member in a form-fitting manner.