Motor Vehicle Key Panel Bearing Design
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Solution Overview
Problem
Existing solutions for emergency key housings in motor vehicles are complex, costly, and difficult to repair due to numerous components and the need for plain bearings and guides, which complicates manufacturing and maintenance.
Innovation Solution
A key design featuring a panel with a first bearing that doubles as a housing component and a safety device with a translational movement mechanism, including a spring-loaded latching hook and insertion device, simplifies the structure and operation by reducing components and using the panel as both a bearing and mounting for the safety device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If mechanical security devices with locking mechanisms are used in the housing, then the key body can be secured, but the number of components increases and manufacturing becomes complicated
Solution Approach 1:
The panel is merged with the housing to form an integrated bearing structure. The panel is firmly connected to the housing and simultaneously serves as a plain bearing for the safety device, eliminating the need for separate bearing components and reducing overall device complexity while maintaining security functionality
Solution Approach 2:
The panel performs multiple functions: it forms part of the housing structure, serves as a plain bearing for the safety device, and provides mounting support. This multi-functionality reduces the total number of components needed while ensuring reliable operation of the security device
2Reliability
If plain bearings and guides are arranged in the housing, then smooth functioning is guaranteed, but manufacturing cost and complexity increase
Solution Approach 1:
The bearing function is merged into the panel structure itself. The panel is firmly connected to the housing and simultaneously serves as a plain bearing for the safety device, eliminating the need for separate bearing components and reducing manufacturing complexity while ensuring smooth operation
3Ease of manufacture
If the housing is glued together, then assembly is simplified, but repair becomes impossible
Solution Approach 1:
The key housing is divided into separable components: the housing, the panel firmly connected to it, and the safety device. This segmentation allows the safety device to be removed and replaced independently while maintaining the intact housing-panel assembly, enabling repair without requiring complete disassembly or specialized tools
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 reduces production costs, simplifies manufacturing, and allows for easy and reliable operation of the safety device, enabling trouble-free functioning and easy key insertion/removal while maintaining mechanical integrity.
Implementation Method 1
the safety device is mounted with a spring. The spring can be designed as a simple compression spring, spiral spring or other spring. In this case, the spring is designed in such a way that a spring force of the spring transfers the safety device into the safety position.
Data Source
Figure 1
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AI summary
Key 100 for actuating a locking device of a motor vehicle comprising a housing 101, a cover 103 arranged on the housing 101, a key body 105 which is designed to be inserted at least partially into the housing 101, and a locking device 107 to secure the key body 105 inserted into the housing 101, wherein the cover 103 has a first bearing 109 which is designed to support the locking device 107.