An ignition device for a gas generating agent used in a safety protection mechanism of an automobile

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By installing a cover and flange end cap on the ignition device and utilizing the cooperation of bolted mounting parts and fastening nuts, the problems of inconvenient and unstable installation of the gas-generating medicine box in the prior art are solved, achieving rapid alignment and stable connection, and improving the convenience and stability of installation.

CN122275798APending Publication Date: 2026-06-26SUZHOU MINGYUAN AUTO PARTS MFG CO LTD

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Patent Information

Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner: SUZHOU MINGYUAN AUTO PARTS MFG CO LTD
Filing Date: 2026-02-09
Publication Date: 2026-06-26

Application Information

Patent Timeline

09 Feb 2026

Application

26 Jun 2026

Publication

CN122275798A

IPC: B60R21/38

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Technology Topics

Structural engineering Process engineering

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AI Technical Summary

Technical Problem

In existing automotive safety protection mechanisms, the disassembly and installation process of the ignition device and the gas-generating cartridge is cumbersome and unstable. In particular, in reusable lifting mechanisms, the bolt connection method leads to inconvenient and unstable installation.

Method used

A gas-generating ignition device for automotive safety protection mechanisms was designed. By setting a cover body and a flange end cover on the ignition fixture base, and using the cooperation of bolt mounting parts and fastening nuts, combined with installation auxiliary components and stabilizing components, quick alignment and stable connection can be achieved.

Benefits of technology

It improves the stability and ease of installation of the gas-generating medicine box, reduces repeated verification operations, enhances the stability of bolt connections, and simplifies the disassembly and installation process.

✦ Generated by Eureka AI based on patent content.

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Figure CN122275798A_ABST

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Abstract

This invention relates to the field of automotive safety protection technology, and in particular to a gas-generating propellant ignition device for automotive safety protection mechanisms. In this solution, before the gas-generating propellant box is fixedly connected using bolts and nuts, a pre-positioning guide tube on the outer fixing pad of the ignition fixture is used to quickly align the first mounting hole on the flange end cap with the second mounting hole on the cover body, avoiding repeated calibration operations. Then, the bolts are passed sequentially through the second mounting hole and the first sealing groove, and finally, the bolts are threadedly connected to the bolts using the fastening nut. Furthermore, this solution uses a stabilizing component to tighten the bolts, improving the stability of the connection between the bolts and the fastening nut, which positively impacts the installation stability of the gas-generating propellant box.

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