Angled Roller Contour for Multi-Directional Load Absorption
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Solution Overview
Problem
Conventional sliding door guides for motor vehicles are primarily designed to absorb tensile loads and are not effective in handling other forces or torques, leading to inefficiencies and additional stress on other components.
Innovation Solution
A sliding door guide with a roller assembly featuring two engagement surfaces at an angle, allowing for absorption of forces in multiple directions through a form fit and spring arrangement, which relieves other guide rails and enhances torque absorption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a conventional roller design with a single contact surface is used, then the structure is simple and manufacturing is easy, but the guide can only absorb tensile loads and cannot handle forces in other directions
Solution Approach 1:
The roller contour is designed with engagement surfaces that extend in multiple directions, creating a multi-dimensional contact geometry with the rail. This allows the roller to absorb forces not only in the tensile direction but also in vertical and lateral directions, effectively adding dimensional capability to the load absorption without complicating the basic roller structure
Solution Approach 2:
The roller assembly is designed to perform multiple functions: it absorbs tensile loads, vertical loads, and lateral forces simultaneously through its multi-surface engagement geometry. This universal design eliminates the need for separate components for different load directions, achieving versatility while maintaining structural simplicity
2Adaptability or versatility
If additional tracks are added to absorb different loads, then load absorption capability is improved, but the device complexity increases
Solution Approach 1:
Multiple load absorption functions are merged into a single roller-rail interface. The roller contour integrates engagement surfaces for tensile loads, vertical loads, and lateral forces, combining what would traditionally require multiple separate tracks into one unified component system, thereby reducing overall device complexity
Solution Approach 2:
The roller assembly is designed as a universal component that can handle multiple types of loads (tensile, vertical, lateral) through its multi-surface engagement geometry, eliminating the need for additional specialized tracks and reducing the overall complexity of the sliding door guide system
3Adaptability or versatility
If a roller assembly with multi-surface engagement is used, then load absorption in multiple directions is improved, but manufacturing complexity increases
Solution Approach 1:
The roller contour is designed with engagement surfaces that extend in multiple directions, creating a multi-dimensional contact geometry with the rail. This allows the roller to absorb forces not only in the tensile direction but also in vertical and lateral directions, effectively adding dimensional capability to the load absorption without complicating the basic roller structure
Solution Approach 2:
The roller assembly is designed to perform multiple functions: it absorbs tensile loads, vertical loads, and lateral forces simultaneously through its multi-surface engagement geometry. This universal design eliminates the need for separate components for different load directions, achieving versatility while maintaining structural simplicity
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 the sliding door guide to effectively absorb vertical loads and torques, reducing the load on other guide rails and improving the overall structural efficiency and cost-effectiveness of the sliding door system.
Implementation Method 1
a roller assembly (3) attached to the door bracket (1). The roller assembly (3) has a plurality of rollers (4) with a roller contour (5) for rolling on a rail contour (6)
Implementation Method 2
spring arrangement (15), which relieves other guide rails and enhances torque absorption
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The invention relates to a sliding door guide for a motor vehicle with a door holder (1) for attachment to a sliding door, with a rail (2) for guiding the door holder (1) and with a roller arrangement (3) attached to the door holder (1), wherein the roller arrangement (3) has a roller (4a-d) with a roller contour (5) for rolling on a rail contour (6) of the rail (2), so that the roller arrangement (3) is displaceable along the rail (2), characterized in that the roller contour (5) engages in the rail contour (6) in such a way that two engagement surfaces (7a, b) arranged at an angle to each other are created.