Self-cleaning type automobile sunroof guide rail structure

CN122275563APending Publication Date: 2026-06-26ANHUI ANJIAN AUTO SKYLIGHT TECH CO LTD LUAN CITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ANHUI ANJIAN AUTO SKYLIGHT TECH CO LTD LUAN CITY
Filing Date
2026-03-31
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing automotive sunroof rails suffer from problems such as inefficient mechanical brushing, easy clogging by debris, and low separation efficiency in terms of cleaning. Furthermore, the drainage and debris removal channels are not effectively separated, leading to frequent maintenance.

Method used

The design incorporates a self-cleaning car sunroof guide rail structure. A slider with a venturi tube structure generates negative pressure to draw in impurities, which are then separated into gas and solid components by a cyclone separator. The system actively cleans the sunroof using pneumatic power and separates rainwater from impurities through a sealed guide cover.

Benefits of technology

It achieves efficient and thorough cleaning, avoids mechanical wear and clogging, extends maintenance cycles, and ensures the reliability of drainage function.

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Abstract

This invention relates to the field of automotive sunroof guide rail technology, and discloses a self-cleaning automotive sunroof guide rail structure, including a track. A groove is provided on the upper end face of the track near the right side. A slider is slidably mounted inside the groove. A mounting hole is provided on the top of the slider near its end. A hollow cavity is provided inside the slider, with an air vent at one end. A drainage groove is provided on the upper end face of the track near the left side. This invention designs the slider as a pneumatic booster unit with a Venturi tube structure. When the slider moves, the negative pressure generated in its internal throat actively draws dust, sand, and other impurities from the groove into the cleaning system through a one-way valve. Simultaneously, a high-speed airflow ejected from the rear end forms a directional transport power.
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