Window Lifter Driver with Elastic Brackets for Precise Pane Assembly
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Solution Overview
Problem
Existing drivers for vehicle window regulators face challenges in installation, durability, and efficient connection with the window pane and flexible traction mechanism, particularly in varying installation situations.
Innovation Solution
The proposed driver features a pane connection area with elastically displaceable connecting brackets and positioning sections, which guide the window pane's lower edge into a locking position, along with optional elastic support sections for enhanced durability and support.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the connecting bracket is made rigid for stable connection, then connection stability is improved, but the assembly process becomes difficult and misalignment risk increases
Solution Approach 1:
The connecting bracket is designed with elastic displaceability, allowing it to dynamically adapt during assembly. The bracket can elastically deform to accommodate misalignments and then return to a stable locked position, combining ease of assembly with connection reliability.
Solution Approach 2:
The mechanical properties of the connecting bracket are optimized by selecting materials and designs that provide specific elastic characteristics. This allows the bracket to exhibit flexible behavior during assembly and rigid behavior during operation, resolving the contradiction between ease of assembly and connection stability.
2Ease of operation
If the connecting bracket is made elastic for easy assembly, then ease of operation is improved, but connection stability deteriorates
Solution Approach 1:
The connecting bracket transitions from a flexible state during assembly to a rigid state during operation. The elastic displacement capability is utilized only during the assembly phase to guide the window pane into position, after which the locked configuration provides stable connection.
Solution Approach 2:
The elastic displaceability is designed to facilitate the preliminary assembly action, after which the connection is locked in a stable configuration. The preliminary elastic deformation enables easy assembly, while the subsequent locked state ensures connection stability.
3Device complexity
If the lower edge of the window pane is directly supported on the base for simple design, then device complexity is reduced, but durability and support quality worsen
Solution Approach 1:
The positioning section acts as an intermediary element between the window pane's lower edge and the base. It provides guided support and ensures proper alignment during assembly, improving durability and support quality while maintaining relatively simple design through the integration of this single additional component.
4Manufacturing precision
If positioning sections are added to guide the window pane, then assembly precision is improved, but device complexity increases
Solution Approach 1:
The positioning section is merged with the existing connecting bracket structure, combining the functions of connection and positioning into a single integrated component. This reduces overall device complexity while achieving precise assembly guidance through the inclined guide surface.
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 improves the assembly and connection of the window pane to the driver, enhances durability, and allows for elastic support, reducing the risk of misalignment and improving the overall performance of the window regulator assembly.
Implementation Method 1
the connecting brackets on the driver body are elastically displaceable
Implementation Method 2
a locking lug is provided for the positive engagement in a connection opening provided on the window pane
Implementation Method 3
at least one support section made of an elastic material projecting from the base for supporting the lower edge of the window pane
Data Source
Figure 1A~1B
Figure 2
Figure 3
AI summary
The proposed solution relates to a driver element for a motor vehicle window lifter, which element can be connected to a window pane (F) to be moved.