Self-buckling type plastic framework rubber part for automobile dash panel

By combining self-locking plastic skeleton rubber parts, the problems of traditional rubber parts being thick, heavy, and time-consuming and laborious to install are solved. This achieves good sound insulation and noise reduction in the front engine compartment of the car and meets the needs of wiring harness protection and dry and wet area separation.

CN224348878UActive Publication Date: 2026-06-12HENAN TIANHAI RUBBER & PLASTIC TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202521840836.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-28
Publication Date
2026-06-12
Estimated Expiration
2035-08-28

AI Technical Summary

Technical Problem

Traditional automotive front engine compartment flanged perforated rubber components have a large thickness, high weight, high cost, time-consuming and labor-intensive installation, and poor sound insulation and noise reduction effects.

Method used

It adopts self-locking plastic skeleton rubber components, including silent end rubber components and sealed end rubber components. Through the combination design of flexible corrugated structure and self-locking rubber skeleton, it realizes flexible wire exit, dry and wet zone separation and superior installation performance, and enhances the sound insulation effect.

Benefits of technology

It improves installation performance, achieves good sound insulation and noise reduction, solves the assembly problem of traditional rubber parts in small assembly spaces, and realizes wire harness protection, dry and wet zone separation and sealing functions.

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Abstract

The utility model discloses a self-buckling type plastic framework rubber part for an automobile dash panel, which relates to the technical field of wire harness rubber parts, and comprises a mute end rubber part, the lower end of the mute end rubber part is connected with two self-buckling type rubber frameworks which are in bilateral symmetry, and the two self-buckling type rubber frameworks are connected with each other. The lower end of the mute end rubber part is connected with a sealing end rubber part in a clamped mode, the mute end rubber part comprises a flexible corrugated structure, the upper end of the flexible corrugated structure is provided with a wire harness adaptation structure, and the lower end of the flexible corrugated structure is provided with a cavity sound insulation structure. The self-buckling type plastic framework combined structure rubber part can be better matched with a flanging and hole opening metal plate in the electric signal conduction process of an engine cabin wire harness and a driving cabin, the installation performance of a product is greatly improved, a double-sealing-rib structure can better achieve dry and wet area separation, a sound insulation cavity is enlarged, the good sound insulation and noise reduction effects are achieved, and the service life of the product is prolonged. And the assembly reliability in the loading process of a main engine plant is improved.
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