Wheel Rim Clamping Hook for Run-Flat Attachment Adaptability
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Solution Overview
Problem
Existing clamping devices for vehicle wheels fail to provide a simple, quick, and secure attachment for enabling driving operations with restricted tire functions, such as flat tires or adverse road conditions, due to inadequate contact and adaptability to different tire and rim geometries.
Innovation Solution
A clamping device with a rear grip section designed as a hook that transitions into a contact surface, allowing for positive engagement behind the rim flange, and a pivotable design for adaptability, along with locking mechanisms and damping surfaces for secure and precise attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a clamping device uses a simple hook design for positive engagement behind the rim flange, then the ease of manufacture is improved, but the adaptability to different tire and rim geometries deteriorates
Solution Approach 1:
The rear grip section is made pivotable about a pivot axis, transforming it from a static hook to a dynamic element that can adapt its angle. This allows the same simple hook structure to engage with various rim flange geometries by adjusting its pivot angle, thereby resolving the contradiction between manufacturing simplicity and adaptability.
Solution Approach 2:
The pivotable rear grip section changes its angular parameter relative to the mounting section, enabling adaptation to different rim and tire geometries. This parameter change allows a single standardized component design to work across multiple applications without requiring custom manufacturing for each geometry.
2Adaptability or versatility
If the rear grip section is made pivotable to increase adaptability, then the adaptability to different geometries is improved, but the device complexity increases
Solution Approach 1:
The pivotable connection introduces minimal complexity by allowing angular adjustment while maintaining a straightforward mechanical structure. The pivot mechanism itself is simple, involving basic rotational joints rather than complex actuation systems.
Solution Approach 2:
The rear grip section can be manually positioned and locked into place without requiring external tools or complex adjustment mechanisms. The frictional engagement and positive locking features allow the component to self-adjust and secure itself, minimizing the need for additional complexity.
3Ease of manufacture
If the contact surface is designed to lie in a plane for simple manufacturing, then the ease of manufacture is improved, but the measurement precision of contact position deteriorates
Solution Approach 1:
The contact surface is designed with specific local geometric features including a defined contact line and positioning elements that ensure precise engagement. While the overall structure remains simple for manufacturing, these localized precision features enable accurate determination of the contact position between the clamping device and rim flange.
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 enables secure and precise attachment of the attachment to the vehicle wheel, ensuring stability and adaptability to various tire and rim geometries, even in adverse conditions, while allowing for easy insertion and high-force retention.
Implementation Method 1
a rear grip section (28), which is designed in the manner of a hook for positive engagement behind the rim flange
Implementation Method 2
the rear grip section is pivotable about an axis, which runs tangentially to the circumferential direction, relative to the other clamping device and can be positioned in at least a first position and a second position pivoted about the axis to the first position, in particular by a frictional tensioning and/or positive locking
Data Source
AI summary
This disclosure relates to a clamping device for tensioning an attachment on a rim of a vehicle wheel, wherein the attachment configured to enable a driving operation with a restricted tire function in an operating state in which it is fastened on the vehicle wheel.