Wire Type Window Regulator Assembly Guide
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Solution Overview
Problem
Conventional wire type window regulators for vehicles face difficulties in easily guiding the drive wire to the wire insertion clearance of the wire guide member and/or drum housing during assembly, making the process cumbersome.
Innovation Solution
The design incorporates a guide rail, slider base, drive wire, and wire guide members with a wire guide groove, disconnection prevention tab, and inclination guide surface, allowing the drive wire to be easily introduced into the wire guide groove and routing guide groove through a formed wire insertion clearance, facilitated by the inclination guide surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the drive wire is manually moved to the wire insertion clearance of the wire guide member during assembly, then the wire guide member can guide the drive wire, but the assembly process becomes difficult and time-consuming
Solution Approach 1:
The patent applies preliminary action by pre-forming the wire insertion clearance at a specific position on the wire guide member before assembly. This clearance is preliminarily prepared to receive the drive wire, eliminating the need for difficult manual positioning during assembly. The clearance is formed in advance with appropriate dimensions and orientation to guide the wire automatically during the assembly process.
Solution Approach 2:
The wire insertion clearance acts as an intermediary element between the drive wire and the wire guide groove. It serves as a transition zone that facilitates the transfer of the drive wire from the external environment into the guided path of the wire guide member, making the assembly process easier while ensuring reliable wire guidance.
2Reliability
If the wire insertion clearance is formed between the disconnection prevention tab and guide portion, then the drive wire can be held to prevent disconnection, but the drive wire cannot be easily introduced to the wire guide groove
Solution Approach 1:
The patent applies local quality by creating a wire insertion clearance with specific local characteristics at a particular position on the wire guide member. This clearance has different dimensional properties compared to other parts of the wire guide member, providing a localized easy-access point for wire introduction while maintaining the overall structural integrity and disconnection prevention functionality.
Solution Approach 2:
The wire insertion clearance is preliminarily formed during the manufacturing of the wire guide member, creating a pre-prepared opening that facilitates easy wire introduction. This preliminary action eliminates the need for complex assembly operations to create the clearance, making both manufacturing and assembly easier while maintaining disconnection prevention capabilities.
Data Source
AI summary
A wire type window regulator for vehicle that allows easily guiding a drive wire to a wire insertion clearance of a wire guide member and/or a drum housing during assembly is obtained. A wire guide member includes a wire guide groove around which the drive wire is wound, a wire disconnection prevention portion, and an inclination guide surface. The wire disconnection prevention portion is disposed to extend from one region to another region of regions on both sides between which the wire guide groove is interposed. The wire disconnection prevention portion forms a wire insertion clearance from which the drive wire is introducible to the wire guide groove with the other region. The inclination guide surface is disposed in the other region. The inclination guide surface guides the drive wire introduced to the wire guide groove to the wire insertion clearance.