Protection unit, sliding rail assembly, sliding module and vehicle

By introducing masking components and sealing components into the slide rail assembly, the problem of impurities such as dust entering the lower rail is solved, ensuring smooth sliding of the upper rail and the stability of the power unit, and extending the service life of the slide rail assembly.

CN120552701APending Publication Date: 2025-08-29HUBEI HAPM MAGNA SEATING SYST CO LTD
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Patent Information

Application Number
CN202511060830.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-30
Publication Date
2025-08-29

AI Technical Summary

Technical Problem

In the prior art, during long-term use of the slide rail assembly, impurities such as dust can easily enter the lower rail, affecting the sliding smoothness and service life of the upper rail.

Method used

The protective unit is adopted, including a masking assembly and a sealing assembly. The masking assembly is composed of two masking components. The sealing assembly is composed of a flexible sealing strip. The masking assembly covers the opening of the lower rail. The sealing assembly is connected to the upper rail through a flexible sealing strip and is slidably connected between the masking components to prevent foreign objects from entering the lower rail.

Benefits of technology

Effectively prevent foreign objects from entering the lower rail, maintain the smooth sliding of the upper rail, reduce sliding noise, and extend the service life of the slide rail assembly, especially the stability and life of the power unit.

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Abstract

A protection unit, a slide rail assembly, a slide module and a vehicle wherein the protection unit (2000) is mounted on a slide rail unit (1000); the sliding rail unit (1000) comprises an upper rail component (1100) and a lower rail component (1200) which extend in the first direction. The protection unit (2000) comprises a covering assembly (2100), the covering assembly (2100) comprises covering parts (2110) arranged in the second direction, an included angle is formed between the second direction and the first direction, and the covering parts (2110) are located on the upper side of the lower rail part (1200); at least one covering part (2110) is provided with a guide cavity (2111); the sealing assembly (2200) comprises a flexible sealing strip (2210), the flexible sealing strip (2210) comprises a sealing section (2210A), a reversing section (2210B) and a standby section (2210C) which are connected with one another, the sealing section (2210A) is slidably connected between the two adjacent covering parts (2110) in the second direction, the sealing section is used for being connected with the two ends, in the first direction, of the upper rail part (1100), and the standby section (2210C) is slidably connected to the guide cavity (2111).
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