A waterproof switch box in a vehicle

CN224318353UActive Publication Date: 2026-06-02GUANGZHOU AUTOMIBILE GRP MOTOR
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Patent Information

Application Number
CN202520737395.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2026-06-02
Estimated Expiration
2035-04-17

AI Technical Summary

Technical Problem

Traditionally, open-type switch boxes lack a waterproof structure, which allows liquids to easily seep into the housing, causing short circuits and switch failures. Their waterproof performance is particularly inadequate when used in bumpy vehicles or in rainy weather.

Method used

A waterproof switch box for vehicle interiors was designed, which uses an upper shell connected to a lower shell, a button shell and a button base sealed with a waterproof flange, a drain outlet to drain liquid, and a combination of an inclined drainage groove and a claw-type bayonet connection structure to improve waterproof performance.

Benefits of technology

It significantly improves the waterproof performance of the switch box, prevents liquid from entering the circuit board, ensures the normal operation of the switch, simplifies the assembly process, and improves production efficiency.

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Abstract

This utility model relates to the field of automotive interior manufacturing technology, and more specifically, to a waterproof switch box for automotive interiors. The switch box includes a switch housing, comprising an upper housing and a lower housing. A circuit board is mounted on the lower end of the lower housing. The upper housing has a button slot, and the upper end of the lower housing has a button base. The button housing is inserted into the button slot and connected to the button base. The switch housing has a drain outlet, and the button base has a waterproof flange located inside the button housing. The top surface of the waterproof flange is higher than the top of the drain outlet. This utility model effectively improves the waterproof performance of top-opening automotive interior switch boxes.
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